{
 "version": "2.2",
 "instance": {
  "d50802d20f.htm": {
   "nsprefix": "asx",
   "nsuri": "http://www.aseglobal.com/20251231",
   "dts": {
    "schema": {
     "local": [
      "asx-20251231.xsd"
     ],
     "remote": [
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd",
      "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd",
      "https://www.xbrl.org/2023/calculation-1.1.xsd",
      "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd",
      "https://www.xbrl.org/dtr/type/2022-03-31/types.xsd",
      "https://www.xbrl.org/dtr/type/2024-01-31/types.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-roles-2025.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-types-2025.xsd",
      "https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd",
      "https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd",
      "https://xbrl.fasb.org/us-gaap/2025/elts/us-types-2025.xsd",
      "https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/dimensions-ea/rol_ifrs_ea-dim_2025-03-27.xsd",
      "https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/dimensions/rol_full_ifrs-dim_2025-03-27.xsd",
      "https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd",
      "https://xbrl.sec.gov/country/2025/country-2025.xsd",
      "https://xbrl.sec.gov/currency/2025/currency-2025.xsd",
      "https://xbrl.sec.gov/cyd/2025/cyd-2025.xsd",
      "https://xbrl.sec.gov/cyd/2025/cyd-af-2025.xsd",
      "https://xbrl.sec.gov/cyd/2025/cyd-af-sub-2025.xsd",
      "https://xbrl.sec.gov/dei/2025/dei-2025.xsd",
      "https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd",
      "https://xbrl.sec.gov/ecd/2025/ecd-sub-2025.xsd",
      "https://xbrl.sec.gov/exch/2025/exch-2025.xsd",
      "https://xbrl.sec.gov/naics/2025/naics-2025.xsd",
      "https://xbrl.sec.gov/sic/2025/sic-2025.xsd",
      "https://xbrl.sec.gov/stpr/2025/stpr-2025.xsd"
     ]
    },
    "inline": {
     "local": [
      "d50802d20f.htm"
     ]
    },
    "definitionLink": {
     "remote": [
      "https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/dimensions-ea/dim_ifrs_ea_2025-03-27_role-995000.xml",
      "https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/dimensions/dim_full_ifrs_2025-03-27_role-995000.xml"
     ]
    }
   },
   "keyStandard": 560,
   "keyCustom": 331,
   "axisStandard": 46,
   "axisCustom": 16,
   "memberStandard": 93,
   "memberCustom": 366,
   "hidden": {
    "total": 63,
    "http://www.aseglobal.com/20251231": 59,
    "http://xbrl.sec.gov/dei/2025": 4
   },
   "contextCount": 1678,
   "entityCount": 1,
   "segmentCount": 483,
   "elementCount": 1819,
   "unitCount": 20,
   "baseTaxonomies": {
    "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full": 4800,
    "http://xbrl.sec.gov/dei/2025": 45,
    "http://xbrl.sec.gov/cyd/2025": 12,
    "http://xbrl.sec.gov/ecd/2025": 1
   },
   "report": {
    "R1": {
     "role": "http://www.aseglobal.com/role/CoverPage",
     "longName": "1001 - Document - Cover Page",
     "shortName": "Cover Page",
     "isDefault": "true",
     "groupType": "document",
     "subGroupType": "",
     "menuCat": "Cover",
     "order": "1",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R2": {
     "role": "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
     "longName": "1002 - Statement - Consolidated Balance Sheets",
     "shortName": "Consolidated Balance Sheets",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "2",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:CashAndCashEquivalents",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "asx:DisclosureOfDetailedInformationAboutCashAndCashEquivalentsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:CurrentContractAssets",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R3": {
     "role": "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
     "longName": "1003 - Statement - Consolidated Statements of Comprehensive Income",
     "shortName": "Consolidated Statements of Comprehensive Income",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "3",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:Revenue",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfGeographicalAreasExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:CostOfSales",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R4": {
     "role": "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity",
     "longName": "1004 - Statement - Consolidated Statements of Changes in Equity",
     "shortName": "Consolidated Statements of Changes in Equity",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "4",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2022",
      "name": "ifrs-full:Equity",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2022_IssuedCapitalMemberifrsfullComponentsOfEquityAxis",
      "name": "ifrs-full:Equity",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R5": {
     "role": "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows",
     "longName": "1005 - Statement - Consolidated Statements of Cash Flows",
     "shortName": "Consolidated Statements of Cash Flows",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "5",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:ProfitLossBeforeTax",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfOperatingSegmentsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:AdjustmentsForFairValueGainsLosses",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R6": {
     "role": "http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc",
     "longName": "995447 - Disclosure - Insider Trading Policies and Procedures",
     "shortName": "Insider Trading Policies and Procedures",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "6",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ecd:InsiderTrdPoliciesProcAdoptedFlag",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ecd:InsiderTrdPoliciesProcAdoptedFlag",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R7": {
     "role": "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure",
     "longName": "995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure",
     "shortName": "Cybersecurity Risk Management and Strategy Disclosure",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "7",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "cyd:CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "cyd:CybersecurityRiskBoardOfDirectorsOversightTextBlock",
       "cyd:CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "cyd:CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "cyd:CybersecurityRiskBoardOfDirectorsOversightTextBlock",
       "cyd:CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R8": {
     "role": "http://www.aseglobal.com/role/GeneralInformation",
     "longName": "999002 - Disclosure - General Information",
     "shortName": "General Information",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "8",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R9": {
     "role": "http://www.aseglobal.com/role/ApprovalOfFinancialStatements",
     "longName": "999003 - Disclosure - Approval of Financial Statements",
     "shortName": "Approval of Financial Statements",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "9",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfAuthorisationOfFinancialStatementsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfAuthorisationOfFinancialStatementsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R10": {
     "role": "http://www.aseglobal.com/role/ApplicationOfNewAmendedAndRevisedInternationalFinancialReportingStandardsAsIssuedByTheInternationalAccountingStandardsBoardIasbCollectivelyIfrsAccountingStandards",
     "longName": "999004 - Disclosure - APPLICATION OF NEW, AMENDED AND REVISED INTERNATIONAL FINANCIAL REPORTING STANDARDS AS ISSUED BY THE INTERNATIONAL ACCOUNTING STANDARDS BOARD (\"IASB\") (collectively, \"IFRS Accounting Standards\")",
     "shortName": "APPLICATION OF NEW, AMENDED AND REVISED INTERNATIONAL FINANCIAL REPORTING STANDARDS AS ISSUED BY THE INTERNATIONAL ACCOUNTING STANDARDS BOARD (\"IASB\") (collectively, \"IFRS Accounting Standards\")",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "10",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R11": {
     "role": "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformation",
     "longName": "999005 - Disclosure - Summary of Material Accounting Policy Information",
     "shortName": "Summary of Material Accounting Policy Information",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "11",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfMaterialAccountingPolicyInformationExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfMaterialAccountingPolicyInformationExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R12": {
     "role": "http://www.aseglobal.com/role/MaterialAccountingJudgmentsAndKeySourcesOfEstimationUncertainty",
     "longName": "999006 - Disclosure - Material Accounting Judgments and Key Sources of Estimation Uncertainty",
     "shortName": "Material Accounting Judgments and Key Sources of Estimation Uncertainty",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "12",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R13": {
     "role": "http://www.aseglobal.com/role/CashAndCashEquivalents",
     "longName": "999007 - Disclosure - Cash and Cash Equivalents",
     "shortName": "Cash and Cash Equivalents",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "13",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R14": {
     "role": "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtpl",
     "longName": "999008 - Disclosure - Financial Instruments at Fair Value Through Profit or Loss (FVTPL)",
     "shortName": "Financial Instruments at Fair Value Through Profit or Loss (FVTPL)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "14",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R15": {
     "role": "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeFvtoci",
     "longName": "999009 - Disclosure - Financial Assets at Fair Value Through Other Comprehensive Income  (FVTOCI)",
     "shortName": "Financial Assets at Fair Value Through Other Comprehensive Income  (FVTOCI)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "15",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R16": {
     "role": "http://www.aseglobal.com/role/CreditRiskManagementForInvestmentsInDebtInstruments",
     "longName": "999010 - Disclosure - Credit Risk Management for Investments in Debt Instruments",
     "shortName": "Credit Risk Management for Investments in Debt Instruments",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "16",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:CreditRiskManagementInvestmentsInDebtInstrumentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:CreditRiskManagementInvestmentsInDebtInstrumentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R17": {
     "role": "http://www.aseglobal.com/role/TradeReceivablesNet",
     "longName": "999011 - Disclosure - Trade Receivables, Net",
     "shortName": "Trade Receivables, Net",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "17",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R18": {
     "role": "http://www.aseglobal.com/role/Inventories",
     "longName": "999012 - Disclosure - Inventories",
     "shortName": "Inventories",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "18",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfInventoriesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfInventoriesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R19": {
     "role": "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusiness",
     "longName": "999013 - Disclosure - Inventories Related to Real Estate Business",
     "shortName": "Inventories Related to Real Estate Business",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "19",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfInventoriesRelatedToRealEstateBusinessExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfInventoriesRelatedToRealEstateBusinessExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R20": {
     "role": "http://www.aseglobal.com/role/OtherFinancialAssets",
     "longName": "999014 - Disclosure - Other Financial Assets",
     "shortName": "Other Financial Assets",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "20",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfOtherFinancialAssetsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfOtherFinancialAssetsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R21": {
     "role": "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethod",
     "longName": "999015 - Disclosure - Investments Accounted for Using the Equity Method",
     "shortName": "Investments Accounted for Using the Equity Method",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "21",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R22": {
     "role": "http://www.aseglobal.com/role/PropertyPlantAndEquipment",
     "longName": "999016 - Disclosure - Property, Plant and Equipment",
     "shortName": "Property, Plant and Equipment",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "22",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R23": {
     "role": "http://www.aseglobal.com/role/LeaseArrangements",
     "longName": "999017 - Disclosure - Lease Arrangements",
     "shortName": "Lease Arrangements",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "23",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfLeasesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfLeasesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R24": {
     "role": "http://www.aseglobal.com/role/InvestmentProperties",
     "longName": "999018 - Disclosure - Investment Properties",
     "shortName": "Investment Properties",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "24",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfInvestmentPropertyExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfInvestmentPropertyExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R25": {
     "role": "http://www.aseglobal.com/role/Goodwill",
     "longName": "999019 - Disclosure - Goodwill",
     "shortName": "Goodwill",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "25",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfGoodwillExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfGoodwillExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R26": {
     "role": "http://www.aseglobal.com/role/OtherIntangibleAssets",
     "longName": "999020 - Disclosure - Other Intangible Assets",
     "shortName": "Other Intangible Assets",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "26",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfIntangibleAssetsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfIntangibleAssetsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R27": {
     "role": "http://www.aseglobal.com/role/Borrowings",
     "longName": "999021 - Disclosure - Borrowings",
     "shortName": "Borrowings",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "27",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfBorrowingsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfBorrowingsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R28": {
     "role": "http://www.aseglobal.com/role/BondsPayable",
     "longName": "999022 - Disclosure - Bonds Payable",
     "shortName": "Bonds Payable",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "28",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfDebtSecuritiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfDebtSecuritiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R29": {
     "role": "http://www.aseglobal.com/role/OtherPayables",
     "longName": "999023 - Disclosure - Other Payables",
     "shortName": "Other Payables",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "29",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfOtherPayablesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfOtherPayablesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R30": {
     "role": "http://www.aseglobal.com/role/RetirementBenefitPlans",
     "longName": "999024 - Disclosure - Retirement Benefit Plans",
     "shortName": "Retirement Benefit Plans",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "30",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfDefinedBenefitPlansExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfDefinedBenefitPlansExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R31": {
     "role": "http://www.aseglobal.com/role/Equity",
     "longName": "999025 - Disclosure - Equity",
     "shortName": "Equity",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "31",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R32": {
     "role": "http://www.aseglobal.com/role/ProfitBeforeIncomeTax",
     "longName": "999026 - Disclosure - Profit Before Income Tax",
     "shortName": "Profit Before Income Tax",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "32",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfOperatingExpensesAndNonoperatingIncomeAndExpensesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfOperatingExpensesAndNonoperatingIncomeAndExpensesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R33": {
     "role": "http://www.aseglobal.com/role/IncomeTax",
     "longName": "999027 - Disclosure - Income Tax",
     "shortName": "Income Tax",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "33",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfIncomeTaxExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfIncomeTaxExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R34": {
     "role": "http://www.aseglobal.com/role/EarningsPerShare",
     "longName": "999028 - Disclosure - Earnings Per Share",
     "shortName": "Earnings Per Share",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "34",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R35": {
     "role": "http://www.aseglobal.com/role/ShareBasedPaymentArrangements",
     "longName": "999029 - Disclosure - Share-based Payment Arrangements",
     "shortName": "Share-based Payment Arrangements",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "35",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R36": {
     "role": "http://www.aseglobal.com/role/BusinessCombinations",
     "longName": "999030 - Disclosure - Business Combinations",
     "shortName": "Business Combinations",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "36",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfBusinessCombinationsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfBusinessCombinationsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R37": {
     "role": "http://www.aseglobal.com/role/DisposalOfSubsidiary",
     "longName": "999031 - Disclosure - Disposal of Subsidiary",
     "shortName": "Disposal of Subsidiary",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "37",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDisposalOfSubsidiaryExplanatoryTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDisposalOfSubsidiaryExplanatoryTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R38": {
     "role": "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterests",
     "longName": "999032 - Disclosure - Equity Transaction with Non-controlling Interests",
     "shortName": "Equity Transaction with Non-controlling Interests",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "38",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:EquityTransactionsWithNoncontrollingInterestsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:EquityTransactionsWithNoncontrollingInterestsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R39": {
     "role": "http://www.aseglobal.com/role/CashFlowInformation",
     "longName": "999033 - Disclosure - Cash Flow Information",
     "shortName": "Cash Flow Information",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "39",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfCashFlowStatementExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfCashFlowStatementExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R40": {
     "role": "http://www.aseglobal.com/role/CapitalManagement",
     "longName": "999034 - Disclosure - Capital Management",
     "shortName": "Capital Management",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "40",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R41": {
     "role": "http://www.aseglobal.com/role/FinancialInstruments",
     "longName": "999035 - Disclosure - Financial Instruments",
     "shortName": "Financial Instruments",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "41",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R42": {
     "role": "http://www.aseglobal.com/role/RelatedPartyTransactions",
     "longName": "999036 - Disclosure - Related Party Transactions",
     "shortName": "Related Party Transactions",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "42",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfRelatedPartyExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfRelatedPartyExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R43": {
     "role": "http://www.aseglobal.com/role/AssetsPledgedAsCollateralOrForSecurity",
     "longName": "999037 - Disclosure - Assets Pledged as Collateral or for Security",
     "shortName": "Assets Pledged as Collateral or for Security",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "43",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfCollateralExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfCollateralExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R44": {
     "role": "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitments",
     "longName": "999038 - Disclosure - Significant Contingent Liabilities and Unrecognized Commitments",
     "shortName": "Significant Contingent Liabilities and Unrecognized Commitments",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "44",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R45": {
     "role": "http://www.aseglobal.com/role/SignificantEventsAfterReportingPeriod",
     "longName": "999039 - Disclosure - Significant Events After Reporting Period",
     "shortName": "Significant Events After Reporting Period",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "45",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R46": {
     "role": "http://www.aseglobal.com/role/Others",
     "longName": "999040 - Disclosure - Others",
     "shortName": "Others",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "46",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfOtherInformationExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfOtherInformationExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R47": {
     "role": "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrencies",
     "longName": "999041 - Disclosure - Significant Assets and Liabilities Denominated in Foreign Currencies",
     "shortName": "Significant Assets and Liabilities Denominated in Foreign Currencies",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "47",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfForeignCurrencyDenominatedMonetaryFinancialAssetsAndLiabilitiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfForeignCurrencyDenominatedMonetaryFinancialAssetsAndLiabilitiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R48": {
     "role": "http://www.aseglobal.com/role/OperatingSegmentsInformation",
     "longName": "999042 - Disclosure - Operating Segments Information",
     "shortName": "Operating Segments Information",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "48",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R49": {
     "role": "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies",
     "longName": "999043 - Disclosure - Summary of Material Accounting Policy Information (Policies)",
     "shortName": "Summary of Material Accounting Policy Information (Policies)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "policies",
     "menuCat": "Policies",
     "order": "49",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:StatementOfIFRSCompliance",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfMaterialAccountingPolicyInformationExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:StatementOfIFRSCompliance",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfMaterialAccountingPolicyInformationExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R50": {
     "role": "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationTables",
     "longName": "999044 - Disclosure - Summary Of Material Accounting Policy Information (Tables)",
     "shortName": "Summary Of Material Accounting Policy Information (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "50",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R51": {
     "role": "http://www.aseglobal.com/role/CashAndCashEquivalentsTables",
     "longName": "999045 - Disclosure - Cash and Cash Equivalents (Tables)",
     "shortName": "Cash and Cash Equivalents (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "51",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationAboutCashAndCashEquivalentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationAboutCashAndCashEquivalentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R52": {
     "role": "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplTables",
     "longName": "999046 - Disclosure - Financial Instruments at Fair Value Through Profit or Loss (FVTPL) (Tables)",
     "shortName": "Financial Instruments at Fair Value Through Profit or Loss (FVTPL) (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "52",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationAboutFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "ifrs-full:DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationAboutFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "ifrs-full:DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R53": {
     "role": "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeFvtociTables",
     "longName": "999047 - Disclosure - Financial Assets at Fair Value Through Other Comprehensive Income - (FVTOCI) (Tables)",
     "shortName": "Financial Assets at Fair Value Through Other Comprehensive Income - (FVTOCI) (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "53",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationAboutFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "asx:DisclosureOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationAboutFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "asx:DisclosureOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R54": {
     "role": "http://www.aseglobal.com/role/TradeReceivablesNetTables",
     "longName": "999048 - Disclosure - Trade Receivables, Net (Tables)",
     "shortName": "Trade Receivables, Net (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "54",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R55": {
     "role": "http://www.aseglobal.com/role/InventoriesTables",
     "longName": "999049 - Disclosure - Inventories (Tables)",
     "shortName": "Inventories (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "55",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationAboutInventoriesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfInventoriesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationAboutInventoriesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfInventoriesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R56": {
     "role": "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusinessTables",
     "longName": "999050 - Disclosure - Inventories Related to Real Estate Business (Tables)",
     "shortName": "Inventories Related to Real Estate Business (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "56",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationAboutInventoriesRelatedToRealEstateBusinessExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "asx:DisclosureOfInventoriesRelatedToRealEstateBusinessExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationAboutInventoriesRelatedToRealEstateBusinessExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "asx:DisclosureOfInventoriesRelatedToRealEstateBusinessExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R57": {
     "role": "http://www.aseglobal.com/role/OtherFinancialAssetsTables",
     "longName": "999051 - Disclosure - Other Financial Assets (Tables)",
     "shortName": "Other Financial Assets (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "57",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationAboutOtherFinancialAssetsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationAboutOtherFinancialAssetsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R58": {
     "role": "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodTables",
     "longName": "999052 - Disclosure - Investments Accounted for Using the Equity Method (Tables)",
     "shortName": "Investments Accounted for Using the Equity Method (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "58",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationAboutInvestmentsAccountedForUsingEquityMethodExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationAboutInvestmentsAccountedForUsingEquityMethodExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R59": {
     "role": "http://www.aseglobal.com/role/PropertyPlantAndEquipmentTables",
     "longName": "999053 - Disclosure - Property, Plant and Equipment (Tables)",
     "shortName": "Property, Plant and Equipment (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "59",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R60": {
     "role": "http://www.aseglobal.com/role/LeaseArrangementsTables",
     "longName": "999054 - Disclosure - Lease Arrangements (Tables)",
     "shortName": "Lease Arrangements (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "60",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfLeasesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfLeasesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R61": {
     "role": "http://www.aseglobal.com/role/InvestmentPropertiesTables",
     "longName": "999055 - Disclosure - Investment Properties (Tables)",
     "shortName": "Investment Properties (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "61",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutInvestmentPropertyExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfInvestmentPropertyExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutInvestmentPropertyExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfInvestmentPropertyExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R62": {
     "role": "http://www.aseglobal.com/role/GoodwillTables",
     "longName": "999056 - Disclosure - Goodwill (Tables)",
     "shortName": "Goodwill (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "62",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfGoodwillExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfGoodwillExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R63": {
     "role": "http://www.aseglobal.com/role/OtherIntangibleAssetsTables",
     "longName": "999057 - Disclosure - Other Intangible Assets (Tables)",
     "shortName": "Other Intangible Assets (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "63",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfIntangibleAssetsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfIntangibleAssetsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R64": {
     "role": "http://www.aseglobal.com/role/BorrowingsTables",
     "longName": "999058 - Disclosure - Borrowings (Tables)",
     "shortName": "Borrowings (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "64",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_ShorttermBorrowingsMemberifrsfullBorrowingsByNameAxis",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfBorrowingsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_ShorttermBorrowingsMemberifrsfullBorrowingsByNameAxis",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfBorrowingsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R65": {
     "role": "http://www.aseglobal.com/role/BondsPayableTables",
     "longName": "999059 - Disclosure - Bonds Payable (Tables)",
     "shortName": "Bonds Payable (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "65",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationAboutDebtSecuritiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfDebtSecuritiesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationAboutDebtSecuritiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfDebtSecuritiesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R66": {
     "role": "http://www.aseglobal.com/role/OtherPayablesTables",
     "longName": "999060 - Disclosure - Other Payables (Tables)",
     "shortName": "Other Payables (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "66",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationOfOtherPayablesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationOfOtherPayablesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R67": {
     "role": "http://www.aseglobal.com/role/RetirementBenefitPlansTables",
     "longName": "999061 - Disclosure - Retirement Benefit Plans (Tables)",
     "shortName": "Retirement Benefit Plans (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "67",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDefinedBenefitPlansAmountsRecognisedOnTheBalanceSheetExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDefinedBenefitPlansAmountsRecognisedOnTheBalanceSheetExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R68": {
     "role": "http://www.aseglobal.com/role/EquityTables",
     "longName": "999062 - Disclosure - Equity (Tables)",
     "shortName": "Equity (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "68",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R69": {
     "role": "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxTables",
     "longName": "999063 - Disclosure - Profit Before Income Tax (Tables)",
     "shortName": "Profit Before Income Tax (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "69",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfOtherOperatingIncomeExpenseExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "asx:DisclosureOfOperatingExpensesAndNonoperatingIncomeAndExpensesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfOtherOperatingIncomeExpenseExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "asx:DisclosureOfOperatingExpensesAndNonoperatingIncomeAndExpensesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R70": {
     "role": "http://www.aseglobal.com/role/IncomeTaxTables",
     "longName": "999064 - Disclosure - Income Tax (Tables)",
     "shortName": "Income Tax (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "70",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfIncomeTaxExpenseBenefitExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfIncomeTaxExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfIncomeTaxExpenseBenefitExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfIncomeTaxExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R71": {
     "role": "http://www.aseglobal.com/role/EarningsPerShareTables",
     "longName": "999065 - Disclosure - Earnings Per Share (Tables)",
     "shortName": "Earnings Per Share (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "71",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:EarningsPerShareExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:EarningsPerShareExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R72": {
     "role": "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsTables",
     "longName": "999066 - Disclosure - Share-based Payment Arrangements (Tables)",
     "shortName": "Share-based Payment Arrangements (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "72",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R73": {
     "role": "http://www.aseglobal.com/role/BusinessCombinationsTables",
     "longName": "999067 - Disclosure - Business Combinations (Tables)",
     "shortName": "Business Combinations (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "73",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfBusinessCombinationsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfBusinessCombinationsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R74": {
     "role": "http://www.aseglobal.com/role/DisposalOfSubsidiaryTables",
     "longName": "999068 - Disclosure - Disposal of Subsidiary (Tables)",
     "shortName": "Disposal of Subsidiary (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "74",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfSummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "asx:DisclosureOfDisposalOfSubsidiaryExplanatoryTextBlock",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfSummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "asx:DisclosureOfDisposalOfSubsidiaryExplanatoryTextBlock",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R75": {
     "role": "http://www.aseglobal.com/role/CashFlowInformationTables",
     "longName": "999069 - Disclosure - Cash Flow Information (Tables)",
     "shortName": "Cash Flow Information (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "75",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfNonCashTransactionsExplanatoryTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfCashFlowStatementExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfNonCashTransactionsExplanatoryTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfCashFlowStatementExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R76": {
     "role": "http://www.aseglobal.com/role/FinancialInstrumentsTables",
     "longName": "999070 - Disclosure - Financial Instruments (Tables)",
     "shortName": "Financial Instruments (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "76",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfFairValueOfFinancialInstrumentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfFairValueOfFinancialInstrumentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R77": {
     "role": "http://www.aseglobal.com/role/RelatedPartyTransactionsTables",
     "longName": "999071 - Disclosure - Related Party Transactions (Tables)",
     "shortName": "Related Party Transactions (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "77",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:ScheduleOfLoanToRelatedPartiesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:ScheduleOfLoanToRelatedPartiesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R78": {
     "role": "http://www.aseglobal.com/role/AssetsPledgedAsCollateralOrForSecurityTables",
     "longName": "999072 - Disclosure - Assets Pledged as Collateral or for Security (Tables)",
     "shortName": "Assets Pledged as Collateral or for Security (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "78",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationOfAssetsPledgedAsCollateralOrForSecurityExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfCollateralExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfDetailedInformationOfAssetsPledgedAsCollateralOrForSecurityExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ifrs-full:DisclosureOfCollateralExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R79": {
     "role": "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesTables",
     "longName": "999073 - Disclosure - Significant Assets and Liabilities Denominated in Foreign Currencies (Tables)",
     "shortName": "Significant Assets and Liabilities Denominated in Foreign Currencies (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "79",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfAssetsAndLiabilitiesDenominatedInForeignCurrenciesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "asx:DisclosureOfForeignCurrencyDenominatedMonetaryFinancialAssetsAndLiabilitiesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DisclosureOfAssetsAndLiabilitiesDenominatedInForeignCurrenciesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "asx:DisclosureOfForeignCurrencyDenominatedMonetaryFinancialAssetsAndLiabilitiesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R80": {
     "role": "http://www.aseglobal.com/role/OperatingSegmentsInformationTables",
     "longName": "999074 - Disclosure - Operating Segments Information (Tables)",
     "shortName": "Operating Segments Information (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "80",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfOperatingSegmentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DisclosureOfOperatingSegmentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R81": {
     "role": "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail",
     "longName": "999075 - Disclosure - Summary of Material Accounting Policy Information - Summary of Subsidiaries (Detail)",
     "shortName": "Summary of Material Accounting Policy Information - Summary of Subsidiaries (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "81",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_AdvancedSemiconductorEngineeringIncMemberifrsfullSignificantInvestmentsInSubsidiariesAxis_TheCompanyInvestorMemberASXInvestorAxis",
      "name": "ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_AdvancedSemiconductorEngineeringIncMemberifrsfullSignificantInvestmentsInSubsidiariesAxis_TheCompanyInvestorMemberASXInvestorAxis",
      "name": "ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R82": {
     "role": "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesParentheticalDetail",
     "longName": "999076 - Disclosure - Summary of Material Accounting Policy Information - Summary of Subsidiaries (Parenthetical) (Detail)",
     "shortName": "Summary of Material Accounting Policy Information - Summary of Subsidiaries (Parenthetical) (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "parenthetical",
     "menuCat": "Details",
     "order": "82",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates",
      "unitRef": "Unit_shares",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "ifrs-full:SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_BottomOfRangeMemberifrsfullRangeAxis",
      "name": "ifrs-full:SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates",
      "unitRef": "Unit_shares",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R83": {
     "role": "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationAdditionalInformationDetail",
     "longName": "999077 - Disclosure - Summary of Material Accounting Policy Information - Additional Information (Detail)",
     "shortName": "Summary of Material Accounting Policy Information - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "83",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:ClosingForeignExchangeRate",
      "unitRef": "Unit_TWD-USD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "div",
       "asx:DisclosureOfConvenienceTranslationCurrencyExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:ClosingForeignExchangeRate",
      "unitRef": "Unit_TWD-USD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "div",
       "asx:DisclosureOfConvenienceTranslationCurrencyExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R84": {
     "role": "http://www.aseglobal.com/role/CashAndCashEquivalentsSummaryOfCashAndCashEquivalentsDetail",
     "longName": "999078 - Disclosure - Cash and Cash Equivalents - Summary of Cash and Cash Equivalents (Detail)",
     "shortName": "Cash and Cash Equivalents - Summary of Cash and Cash Equivalents (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "84",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:CashOnHand",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "asx:DisclosureOfDetailedInformationAboutCashAndCashEquivalentsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:CashOnHand",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "asx:DisclosureOfDetailedInformationAboutCashAndCashEquivalentsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R85": {
     "role": "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
     "longName": "999079 - Disclosure - Financial Instruments at Fair Value Through Profit or Loss (FVTPL) - Summary of Financial Instruments at Fair Value Through Profit or Loss (Detail)",
     "shortName": "Financial Instruments at Fair Value Through Profit or Loss (FVTPL) - Summary of Financial Instruments at Fair Value Through Profit or Loss (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "85",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R86": {
     "role": "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail",
     "longName": "999080 - Disclosure - Financial Instruments at Fair Value Through Profit or Loss (FVTPL) - Summary of Outstanding Contracts Not Accounted for Hedge Accounting (Detail)",
     "shortName": "Financial Instruments at Fair Value Through Profit or Loss (FVTPL) - Summary of Outstanding Contracts Not Accounted for Hedge Accounting (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "86",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2024_SellRMBToBuyUSDollarMemberifrsfullTypesOfContractsAxis_SwapContractMemberifrsfullClassesOfFinancialInstrumentsAxis",
      "name": "ifrs-full:NotionalAmount",
      "unitRef": "Unit_CNY",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "asx:DerivativeOutstandingContractsNotAccountedForHedgeAccountingExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2024_SellRMBToBuyUSDollarMemberifrsfullTypesOfContractsAxis_SwapContractMemberifrsfullClassesOfFinancialInstrumentsAxis",
      "name": "ifrs-full:NotionalAmount",
      "unitRef": "Unit_CNY",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "asx:DerivativeOutstandingContractsNotAccountedForHedgeAccountingExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R87": {
     "role": "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeDetail",
     "longName": "999081 - Disclosure - Financial Assets at Fair Value Through Other Comprehensive Income - Summary of Financial Assets at Fair Value Through Other Comprehensive Income (Detail)",
     "shortName": "Financial Assets at Fair Value Through Other Comprehensive Income - Summary of Financial Assets at Fair Value Through Other Comprehensive Income (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "87",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "asx:DisclosureOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": null
    },
    "R88": {
     "role": "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfInvestmentsInEquityInstrumentsAtFairValueThroughOtherComprehensiveIncomeDetail",
     "longName": "999082 - Disclosure - Financial Assets at Fair Value Through Other Comprehensive Income - Summary of Investments in Equity Instruments at Fair Value Through Other Comprehensive Income (Detail)",
     "shortName": "Financial Assets at Fair Value Through Other Comprehensive Income - Summary of Investments in Equity Instruments at Fair Value Through Other Comprehensive Income (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "88",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "asx:DisclosureOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_UnquotedOrdinarySharesMemberifrsfullCategoriesOfFinancialAssetsAxis",
      "name": "ifrs-full:FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "asx:DisclosureOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R89": {
     "role": "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfInvestmentsInDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeDetail",
     "longName": "999083 - Disclosure - Financial Assets at Fair Value Through Other Comprehensive Income - Summary of Investments in Debt Instruments at Fair Value Through Other Comprehensive Income (Detail)",
     "shortName": "Financial Assets at Fair Value Through Other Comprehensive Income - Summary of Investments in Debt Instruments at Fair Value Through Other Comprehensive Income (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "89",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "asx:FairValueOfInvestmentsInDebtInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_UnsecuredCumulativeSubordinateCorporateBondsMemberifrsfullCategoriesOfFinancialAssetsAxis",
      "name": "asx:FairValueOfInvestmentsInDebtInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "asx:DisclosureOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R90": {
     "role": "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAdditionalInformationDetail",
     "longName": "999084 - Disclosure - Financial Assets at Fair Value Through Other Comprehensive Income - Additional Information (Detail)",
     "shortName": "Financial Assets at Fair Value Through Other Comprehensive Income - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "90",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:OtherFinancialAssets",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "asx:DisclosureOfDetailedInformationAboutOtherFinancialAssetsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_UnsecuredCumulativeSubordinateCorporateBondsMemberifrsfullCategoriesOfFinancialAssetsAxis",
      "name": "ifrs-full:OtherFinancialAssets",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "asx:DisclosureOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R91": {
     "role": "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfTradeReceivablesNetDetail",
     "longName": "999085 - Disclosure - Trade Receivables, Net - Summary of Trade Receivables, Net (Detail)",
     "shortName": "Trade Receivables, Net - Summary of Trade Receivables, Net (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "91",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:TradeReceivables",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "asx:DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatory",
       "div",
       "ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:TradeReceivables",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "asx:DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatory",
       "div",
       "ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R92": {
     "role": "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail",
     "longName": "999086 - Disclosure - Trade Receivables, Net - Additional Information (Detail)",
     "shortName": "Trade Receivables, Net - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "92",
     "firstAnchor": {
      "contextRef": "P04_30_2024To04_30_2024",
      "name": "asx:AmountGrantedByBanksForTheFactoringAgreement",
      "unitRef": "Unit_EUR",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P04_30_2024To04_30_2024",
      "name": "asx:AmountGrantedByBanksForTheFactoringAgreement",
      "unitRef": "Unit_EUR",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R93": {
     "role": "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail",
     "longName": "999087 - Disclosure - Trade Receivables, Net - Summary of Loss Allowance of Trade Receivables Based on Group's Provision Matrix (Detail)",
     "shortName": "Trade Receivables, Net - Summary of Loss Allowance of Trade Receivables Based on Group's Provision Matrix (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "93",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_TradeReceivablesMemberifrsfullClassesOfFinancialInstrumentsAxis",
      "name": "asx:GrossCarryingAmountOfFinancialAssets",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_TradeReceivablesMemberifrsfullClassesOfFinancialInstrumentsAxis",
      "name": "asx:GrossCarryingAmountOfFinancialAssets",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R94": {
     "role": "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfMovementsOfLossAllowanceOfTradeReceivablesDetail",
     "longName": "999088 - Disclosure - Trade Receivables, Net - Summary of Movements of Loss Allowance of Trade Receivables (Detail)",
     "shortName": "Trade Receivables, Net - Summary of Movements of Loss Allowance of Trade Receivables (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "94",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2024_TradeReceivablesMemberifrsfullClassesOfFinancialAssetsAxis",
      "name": "asx:AllowanceForCreditLossesOnFinancialAssets",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2024_TradeReceivablesMemberifrsfullClassesOfFinancialAssetsAxis",
      "name": "asx:AllowanceForCreditLossesOnFinancialAssets",
      "unitRef": "Unit_USD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R95": {
     "role": "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceForCurrentFinancialAssetsAtFvtociDetail",
     "longName": "999089 - Disclosure - Trade Receivables, Net - Summary of Loss Allowance For Current Financial Assets At FVTOCI (Detail)",
     "shortName": "Trade Receivables, Net - Summary of Loss Allowance For Current Financial Assets At FVTOCI (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "95",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_TradeReceivablesMemberifrsfullClassesOfFinancialAssetsAxis",
      "name": "asx:GrossCarryingAmountOfCurrentAssetsAtFairValueThroughOtherComprehensiveIncome",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R96": {
     "role": "http://www.aseglobal.com/role/InventoriesSummaryOfInventoriesDetail",
     "longName": "999090 - Disclosure - Inventories - Summary of Inventories (Detail)",
     "shortName": "Inventories - Summary of Inventories (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "96",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:FinishedGoods",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "asx:DisclosureOfDetailedInformationAboutInventoriesExplanatory",
       "div",
       "ifrs-full:DisclosureOfInventoriesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:FinishedGoods",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "asx:DisclosureOfDetailedInformationAboutInventoriesExplanatory",
       "div",
       "ifrs-full:DisclosureOfInventoriesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R97": {
     "role": "http://www.aseglobal.com/role/InventoriesAdditionalInformationDetail",
     "longName": "999091 - Disclosure - Inventories - Additional Information (Detail)",
     "shortName": "Inventories - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "97",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:CostOfInventoriesRecognisedAsExpenseDuringPeriod",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfInventoriesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:CostOfInventoriesRecognisedAsExpenseDuringPeriod",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfInventoriesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R98": {
     "role": "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusinessSummaryOfInventoriesRelatedToRealEstateBusinessDetail",
     "longName": "999092 - Disclosure - Inventories Related to Real Estate Business - Summary of Inventories Related to Real Estate Business (Detail)",
     "shortName": "Inventories Related to Real Estate Business - Summary of Inventories Related to Real Estate Business (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "98",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "asx:Dummy",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "asx:DisclosureOfDetailedInformationAboutInventoriesRelatedToRealEstateBusinessExplanatory",
       "div",
       "div",
       "div",
       "div",
       "asx:DisclosureOfInventoriesRelatedToRealEstateBusinessExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "asx:Dummy",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "asx:DisclosureOfDetailedInformationAboutInventoriesRelatedToRealEstateBusinessExplanatory",
       "div",
       "div",
       "div",
       "div",
       "asx:DisclosureOfInventoriesRelatedToRealEstateBusinessExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R99": {
     "role": "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusinessAdditionalInformationDetail",
     "longName": "999093 - Disclosure - Inventories Related to Real Estate Business - Additional Information (Detail)",
     "shortName": "Inventories Related to Real Estate Business - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "99",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "asx:InventoriesRelatedToRealEstateBusinessNoncurrent",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "asx:DisclosureOfInventoriesRelatedToRealEstateBusinessExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "asx:InventoriesRelatedToRealEstateBusinessNoncurrent",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "asx:DisclosureOfInventoriesRelatedToRealEstateBusinessExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R100": {
     "role": "http://www.aseglobal.com/role/OtherFinancialAssetsSummaryOfOtherFinancialAssetsDetail",
     "longName": "999094 - Disclosure - Other Financial Assets - Summary of Other Financial Assets (Detail)",
     "shortName": "Other Financial Assets - Summary of Other Financial Assets (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "100",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:OtherFinancialAssets",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "asx:DisclosureOfDetailedInformationAboutOtherFinancialAssetsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": null
    },
    "R101": {
     "role": "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsAccountedForUsingTheEquityMethodDetail",
     "longName": "999095 - Disclosure - Investments Accounted for Using the Equity Method - Summary of Investments Accounted for Using the Equity Method (Detail)",
     "shortName": "Investments Accounted for Using the Equity Method - Summary of Investments Accounted for Using the Equity Method (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "101",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:InvestmentsInAssociates",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": null
    },
    "R102": {
     "role": "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail",
     "longName": "999096 - Disclosure - Investments Accounted for Using the Equity Method - Summary of Investments in Associates Accounted for Using the Equity Method (Detail)",
     "shortName": "Investments Accounted for Using the Equity Method - Summary of Investments in Associates Accounted for Using the Equity Method (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "102",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:InvestmentsInAssociates",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_YannYuanInvestmentCoLtdMemberifrsfullSignificantInvestmentsInAssociatesAxis",
      "name": "ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfInterestsInAssociatesExplanatory",
       "ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R103": {
     "role": "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
     "longName": "999097 - Disclosure - Investments Accounted for Using the Equity Method - Additional Information (Detail)",
     "shortName": "Investments Accounted for Using the Equity Method - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "103",
     "firstAnchor": {
      "contextRef": "P12_01_2025To12_31_2025",
      "name": "asx:LossOrGainOnDisposalOfInvestmentsAccountedForUsingEquityInvestments",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "div",
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P12_01_2025To12_31_2025",
      "name": "asx:LossOrGainOnDisposalOfInvestmentsAccountedForUsingEquityInvestments",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "div",
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R104": {
     "role": "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfFairValuesOfInvestmentsInAssociatesWithAvailablePublishedPriceQuotationDetail",
     "longName": "999098 - Disclosure - Investments Accounted for Using the Equity Method - Summary of Fair Values of Investments in Associates with Available Published Price Quotation (Detail)",
     "shortName": "Investments Accounted for Using the Equity Method - Summary of Fair Values of Investments in Associates with Available Published Price Quotation (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "104",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_ChipMosTechnologiesIncMemberifrsfullSignificantInvestmentsInAssociatesAxis_Level1OfFairValueHierarchyMemberifrsfullLevelsOfFairValueHierarchyAxis",
      "name": "ifrs-full:FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_ChipMosTechnologiesIncMemberifrsfullSignificantInvestmentsInAssociatesAxis_Level1OfFairValueHierarchyMemberifrsfullLevelsOfFairValueHierarchyAxis",
      "name": "ifrs-full:FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R105": {
     "role": "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfAssociatesThatAreNotIndividuallyMaterialDetail",
     "longName": "999099 - Disclosure - Investments Accounted for Using the Equity Method - Summary of Aggregate Information of Associates that are Not Individually Material (Detail)",
     "shortName": "Investments Accounted for Using the Equity Method - Summary of Aggregate Information of Associates that are Not Individually Material (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "105",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:ProfitLoss",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_AggregatedIndividuallyImmaterialAssociatesMemberifrsfullSignificantInvestmentsInAssociatesAxis",
      "name": "ifrs-full:ProfitLoss",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R106": {
     "role": "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInJointVenturesAccountedForUsingTheEquityMethodDetail",
     "longName": "999100 - Disclosure - Investments Accounted for Using the Equity Method - Summary of Investments in joint ventures Accounted for using the Equity Method (Detail)",
     "shortName": "Investments Accounted for Using the Equity Method - Summary of Investments in joint ventures Accounted for using the Equity Method (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "106",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:InvestmentsInJointVentures",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "asx:DisclosureOfDetailedInformationAboutInvestmentsAccountedForUsingEquityMethodExplanatory",
       "div",
       "ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_MutekElectronicsCoLtdMemberifrsfullJointVenturesAxis",
      "name": "ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "asx:SummaryOfInvestmentsInJointVenturesAccountedForUsingTheEquityMethodAndSummaryOfAggregateInformationOfTheJointVentureThatIsNotIndividuallyMaterial",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R107": {
     "role": "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfTheJointVentureThatIsNotIndividuallyMaterialDetail",
     "longName": "999101 - Disclosure - Investments Accounted for Using the Equity Method - Summary of Aggregate Information of the Joint Venture that is Not Individually Material (Detail)",
     "shortName": "Investments Accounted for Using the Equity Method - Summary of Aggregate Information of the Joint Venture that is Not Individually Material (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "107",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:ComprehensiveIncome",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_AggregatedIndividuallyImmaterialJointVenturesMemberifrsfullJointVenturesAxis",
      "name": "ifrs-full:ComprehensiveIncome",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R108": {
     "role": "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail",
     "longName": "999102 - Disclosure - Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail)",
     "shortName": "Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "108",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2024",
      "name": "ifrs-full:PropertyPlantAndEquipment",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2024_GrossCarryingAmountMemberifrsfullCarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis",
      "name": "ifrs-full:PropertyPlantAndEquipment",
      "unitRef": "Unit_USD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R109": {
     "role": "http://www.aseglobal.com/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
     "longName": "999103 - Disclosure - Property, Plant and Equipment - Additional Information (Detail)",
     "shortName": "Property, Plant and Equipment - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "109",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_AccumulatedDepreciationAmortisationAndImpairmentMemberifrsfullCarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis",
      "name": "ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_AccumulatedDepreciationAmortisationAndImpairmentMemberifrsfullCarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis",
      "name": "ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R110": {
     "role": "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLivesDetail",
     "longName": "999104 - Disclosure - Property, Plant and Equipment - Summary of Property, Plant and Equipment Depreciated Useful Lives (Detail)",
     "shortName": "Property, Plant and Equipment - Summary of Property, Plant and Equipment Depreciated Useful Lives (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "110",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_BottomOfRangeMemberifrsfullRangeAxis_LandImprovements1MemberifrsfullClassesOfPropertyPlantAndEquipmentAxis",
      "name": "ifrs-full:DepreciationMethodPropertyPlantAndEquipment",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_BottomOfRangeMemberifrsfullRangeAxis_LandImprovements1MemberifrsfullClassesOfPropertyPlantAndEquipmentAxis",
      "name": "ifrs-full:DepreciationMethodPropertyPlantAndEquipment",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R111": {
     "role": "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfRightOfUseAssetsDetail",
     "longName": "999105 - Disclosure - Lease Arrangements - Summary of Right-of-Use Assets (Detail)",
     "shortName": "Lease Arrangements - Summary of Right-of-Use Assets (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "111",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:RightofuseAssets",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory",
       "ifrs-full:DisclosureOfLeasesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:AdditionsToRightofuseAssets",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R112": {
     "role": "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfLeaseLiabilitiesDetail",
     "longName": "999106 - Disclosure - Lease Arrangements - Summary of Lease Liabilities (Detail)",
     "shortName": "Lease Arrangements - Summary of Lease Liabilities (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "112",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:CurrentLeaseLiabilities",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": null
    },
    "R113": {
     "role": "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfTheGroupsLeaseLiabilitiesAreMainlyFromLandAndBuildingsAndImprovementsRangeOfDiscountRateForLeaseLiabilitiesDetail",
     "longName": "999107 - Disclosure - Lease Arrangements - Summary of the Group's Lease Liabilities are Mainly From Land and Buildings and Improvements. Range of Discount Rate for Lease Liabilities (Detail)",
     "shortName": "Lease Arrangements - Summary of the Group's Lease Liabilities are Mainly From Land and Buildings and Improvements. Range of Discount Rate for Lease Liabilities (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "113",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_BottomOfRangeMemberifrsfullRangeAxis_LandMemberifrsfullClassesOfPropertyPlantAndEquipmentAxis",
      "name": "asx:DiscountRateForLeaseLiabilities",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "4",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_BottomOfRangeMemberifrsfullRangeAxis_LandMemberifrsfullClassesOfPropertyPlantAndEquipmentAxis",
      "name": "asx:DiscountRateForLeaseLiabilities",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "4",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R114": {
     "role": "http://www.aseglobal.com/role/LeaseArrangementsAdditionalInformationDetail",
     "longName": "999108 - Disclosure - Lease Arrangements - Additional Information (Detail)",
     "shortName": "Lease Arrangements - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "114",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_BottomOfRangeMemberifrsfullRangeAxis_LandMemberifrsfullClassesOfPropertyPlantAndEquipmentAxis",
      "name": "asx:LeaseTerm",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_BottomOfRangeMemberifrsfullRangeAxis_LandMemberifrsfullClassesOfPropertyPlantAndEquipmentAxis",
      "name": "asx:LeaseTerm",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R115": {
     "role": "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfOtherRelatedLeaseInformationDetail",
     "longName": "999109 - Disclosure - Lease Arrangements - Summary of Other Related Lease Information (Detail)",
     "shortName": "Lease Arrangements - Summary of Other Related Lease Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "115",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R116": {
     "role": "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesDetail",
     "longName": "999110 - Disclosure - Investment Properties - Summary of Investment Properties (Detail)",
     "shortName": "Investment Properties - Summary of Investment Properties (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "116",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2024",
      "name": "ifrs-full:InvestmentProperty",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_LandMemberifrsfullClassesOfPropertyPlantAndEquipmentAxis",
      "name": "ifrs-full:InvestmentProperty",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R117": {
     "role": "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfMaturityAnalysisOfOperatingLeasePaymentsDetail",
     "longName": "999111 - Disclosure - Investment Properties - Summary of Maturity Analysis Of Operating Lease Payments (Detail)",
     "shortName": "Investment Properties - Summary of Maturity Analysis Of Operating Lease Payments (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "117",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:UndiscountedOperatingLeasePaymentsToBeReceived",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:UndiscountedOperatingLeasePaymentsToBeReceived",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R118": {
     "role": "http://www.aseglobal.com/role/InvestmentPropertiesInvestmentPropertiesDepreciatedOnAStraightLineBasisOverUsefulLivesDetail",
     "longName": "999112 - Disclosure - Investment Properties - Investment Properties Depreciated on a Straight-Line Basis Over Useful Lives (Detail)",
     "shortName": "Investment Properties - Investment Properties Depreciated on a Straight-Line Basis Over Useful Lives (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "118",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_BottomOfRangeMemberifrsfullRangeAxis_MainBuildingsMemberifrsfullTypesOfInvestmentPropertyAxis",
      "name": "ifrs-full:DescriptionOfUsefulLifeInvestmentPropertyCostModel",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_BottomOfRangeMemberifrsfullRangeAxis_MainBuildingsMemberifrsfullTypesOfInvestmentPropertyAxis",
      "name": "ifrs-full:DescriptionOfUsefulLifeInvestmentPropertyCostModel",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R119": {
     "role": "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesFairValueDetail",
     "longName": "999113 - Disclosure - Investment Properties - Summary of  Investment Properties, Fair Value (Detail)",
     "shortName": "Investment Properties - Summary of  Investment Properties, Fair Value (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "119",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:InvestmentProperty",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_AtFairValueMemberifrsfullMeasurementAxis_Level3OfFairValueHierarchyMemberifrsfullLevelsOfFairValueHierarchyAxis",
      "name": "ifrs-full:InvestmentProperty",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R120": {
     "role": "http://www.aseglobal.com/role/GoodwillSummaryOfGoodwillDetail",
     "longName": "999114 - Disclosure - Goodwill - Summary of Goodwill (Detail)",
     "shortName": "Goodwill - Summary of Goodwill (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "120",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2024",
      "name": "ifrs-full:Goodwill",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2023To12_31_2023",
      "name": "ifrs-full:AdditionalRecognitionGoodwill",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ifrs-full:DisclosureOfGoodwillExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R121": {
     "role": "http://www.aseglobal.com/role/GoodwillSummaryOfCarryingAmountsOfGoodwillAllocatedToCashGeneratingUnitsDetail",
     "longName": "999115 - Disclosure - Goodwill - Summary of Carrying Amounts of Goodwill Allocated to Cash-generating Units (Detail)",
     "shortName": "Goodwill - Summary of Carrying Amounts of Goodwill Allocated to Cash-generating Units (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "121",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:Goodwill",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_PackagingSegmentMemberifrsfullSegmentsAxis",
      "name": "ifrs-full:Goodwill",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R122": {
     "role": "http://www.aseglobal.com/role/GoodwillAdditionalInformationDetail",
     "longName": "999116 - Disclosure - Goodwill - Additional Information (Detail)",
     "shortName": "Goodwill - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "122",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:ImpairmentLossRecognisedInProfitOrLossGoodwill",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2024_BottomOfRangeMemberifrsfullRangeAxis",
      "name": "ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "4",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R123": {
     "role": "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail",
     "longName": "999117 - Disclosure - Other Intangible Assets - Summary of Carrying Amounts of Each Class of Other Intangible Assets (Detail)",
     "shortName": "Other Intangible Assets - Summary of Carrying Amounts of Each Class of Other Intangible Assets (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "123",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2024",
      "name": "ifrs-full:IntangibleAssetsOtherThanGoodwill",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2024_CostMemberifrsfullCarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis",
      "name": "ifrs-full:IntangibleAssetsOtherThanGoodwill",
      "unitRef": "Unit_USD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R124": {
     "role": "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfOtherIntangibleAssetsUsefulLivesDetail",
     "longName": "999118 - Disclosure - Other Intangible Assets - Summary of Other Intangible Assets Useful Lives (Detail)",
     "shortName": "Other Intangible Assets - Summary of Other Intangible Assets Useful Lives (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "124",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_BottomOfRangeMemberifrsfullRangeAxis_CustomerrelatedIntangibleAssetsMemberifrsfullClassesOfIntangibleAssetsOtherThanGoodwillAxis",
      "name": "ifrs-full:AmortisationMethodIntangibleAssetsOtherThanGoodwill",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_BottomOfRangeMemberifrsfullRangeAxis_CustomerrelatedIntangibleAssetsMemberifrsfullClassesOfIntangibleAssetsOtherThanGoodwillAxis",
      "name": "ifrs-full:AmortisationMethodIntangibleAssetsOtherThanGoodwill",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R125": {
     "role": "http://www.aseglobal.com/role/BorrowingsAdditionalInformationDetail",
     "longName": "999119 - Disclosure - Borrowings - Additional Information (Detail)",
     "shortName": "Borrowings - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "125",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_AsxBankLoansMemberifrsfullBorrowingsByNameAxis_JanuaryToMarch2024MemberASXSettlementAxis",
      "name": "asx:AmountOfBankLoanSettled",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_AsxBankLoansMemberifrsfullBorrowingsByNameAxis_JanuaryToMarch2024MemberASXSettlementAxis",
      "name": "asx:AmountOfBankLoanSettled",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R126": {
     "role": "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsDetail",
     "longName": "999120 - Disclosure - Borrowings - Summary of Short Term Borrowings (Detail)",
     "shortName": "Borrowings - Summary of Short Term Borrowings (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "126",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "asx:CurrentFinancialLiabilitiesForHedging",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_ShortTermBankLoansMemberifrsfullBorrowingsByNameAxis",
      "name": "ifrs-full:SecuredBankLoansReceived",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory",
       "ifrs-full:DisclosureOfBorrowingsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R127": {
     "role": "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsParentheticalDetail",
     "longName": "999121 - Disclosure - Borrowings - Summary of Short Term Borrowings  (Parenthetical) (Detail)",
     "shortName": "Borrowings - Summary of Short Term Borrowings  (Parenthetical) (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "parenthetical",
     "menuCat": "Details",
     "order": "127",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_BottomOfRangeMemberifrsfullRangeAxis_SecuredLoanMemberifrsfullClassesOfFinancialLiabilitiesAxis",
      "name": "ifrs-full:BorrowingsInterestRate",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "4",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory",
       "ifrs-full:DisclosureOfBorrowingsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_BottomOfRangeMemberifrsfullRangeAxis_SecuredLoanMemberifrsfullClassesOfFinancialLiabilitiesAxis",
      "name": "ifrs-full:BorrowingsInterestRate",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "4",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory",
       "ifrs-full:DisclosureOfBorrowingsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R128": {
     "role": "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableDetail",
     "longName": "999122 - Disclosure - Borrowings - Summary of Bills Payable (Detail)",
     "shortName": "Borrowings - Summary of Bills Payable (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "128",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_CommercialPapersMemberifrsfullClassesOfFinancialLiabilitiesAxis_ShortTermBillsPayableMemberifrsfullBorrowingsByNameAxis",
      "name": "asx:CurrentPortionOfCurrentBillsIssued",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_CommercialPapersMemberifrsfullClassesOfFinancialLiabilitiesAxis_ShortTermBillsPayableMemberifrsfullBorrowingsByNameAxis",
      "name": "asx:CurrentPortionOfCurrentBillsIssued",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R129": {
     "role": "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableParentheticalDetail",
     "longName": "999123 - Disclosure - Borrowings - Summary of Bills Payable (Parenthetical) (Detail)",
     "shortName": "Borrowings - Summary of Bills Payable (Parenthetical) (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "parenthetical",
     "menuCat": "Details",
     "order": "129",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_ShorttermNotesPayableMemberifrsfullBorrowingsByNameAxis",
      "name": "ifrs-full:Borrowings",
      "unitRef": "Unit_USD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_ShorttermNotesPayableMemberifrsfullBorrowingsByNameAxis",
      "name": "ifrs-full:Borrowings",
      "unitRef": "Unit_USD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R130": {
     "role": "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansDetail",
     "longName": "999124 - Disclosure - Borrowings - Summary of Bank Loans (Detail)",
     "shortName": "Borrowings - Summary of Bank Loans (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "130",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:CurrentPortionOfLongtermBorrowings",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_BankLoansMemberifrsfullBorrowingsByNameAxis",
      "name": "ifrs-full:Borrowings",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R131": {
     "role": "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansParentheticalDetail",
     "longName": "999125 - Disclosure - Borrowings - Summary of Bank Loans (Parenthetical) (Detail)",
     "shortName": "Borrowings - Summary of Bank Loans (Parenthetical) (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "parenthetical",
     "menuCat": "Details",
     "order": "131",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_SyndicatedBankLoansMemberifrsfullClassesOfFinancialLiabilitiesAxis",
      "name": "ifrs-full:BorrowingsInterestRate",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "4",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_SyndicatedBankLoansMemberifrsfullClassesOfFinancialLiabilitiesAxis",
      "name": "ifrs-full:BorrowingsInterestRate",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "4",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R132": {
     "role": "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableDetail",
     "longName": "999126 - Disclosure - Bonds Payable - Summary of Bonds Payable (Detail)",
     "shortName": "Bonds Payable - Summary of Bonds Payable (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "132",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:BondsIssued",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_GrossCarryingAmountMemberifrsfullCarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis",
      "name": "ifrs-full:BondsIssued",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "asx:DisclosureOfDetailedInformationAboutDebtSecuritiesExplanatory",
       "div",
       "ifrs-full:DisclosureOfDebtSecuritiesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R133": {
     "role": "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail",
     "longName": "999127 - Disclosure - Bonds Payable - Summary of Bonds Payable (Parenthetical) (Detail)",
     "shortName": "Bonds Payable - Summary of Bonds Payable (Parenthetical) (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "parenthetical",
     "menuCat": "Details",
     "order": "133",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_RepayableAtMaturityInAprilTwoThousandTwentySixMemberifrsfullBorrowingsByNameAxis",
      "name": "ifrs-full:BorrowingsInterestRate",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "4",
      "ancestors": [
       "ifrs-full:BorrowingsInterestRate",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "asx:DisclosureOfDetailedInformationAboutDebtSecuritiesExplanatory",
       "div",
       "ifrs-full:DisclosureOfDebtSecuritiesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_RepayableAtMaturityInAprilTwoThousandTwentySixMemberifrsfullBorrowingsByNameAxis",
      "name": "ifrs-full:BorrowingsInterestRate",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "4",
      "ancestors": [
       "ifrs-full:BorrowingsInterestRate",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "asx:DisclosureOfDetailedInformationAboutDebtSecuritiesExplanatory",
       "div",
       "ifrs-full:DisclosureOfDebtSecuritiesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R134": {
     "role": "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
     "longName": "999128 - Disclosure - Bonds Payable - Additional Information (Detail)",
     "shortName": "Bonds Payable - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "134",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:RepaymentsOfBondsNotesAndDebentures",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2026To01_31_2026",
      "name": "asx:DebtConversionConvertedInstrumentSharesIssued",
      "unitRef": "Unit_shares",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R135": {
     "role": "http://www.aseglobal.com/role/OtherPayablesSummaryOfOtherPayablesDetail",
     "longName": "999129 - Disclosure - Other Payables - Summary of Other Payables (Detail)",
     "shortName": "Other Payables - Summary of Other Payables (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "135",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "asx:PayableToContractorAndEquipmentSuppliers",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "asx:DisclosureOfDetailedInformationOfOtherPayablesExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "asx:PayableToContractorAndEquipmentSuppliers",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "asx:DisclosureOfDetailedInformationOfOtherPayablesExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R136": {
     "role": "http://www.aseglobal.com/role/RetirementBenefitPlansAdditionalInformationDetail",
     "longName": "999130 - Disclosure - Retirement Benefit Plans - Additional Information (Detail)",
     "shortName": "Retirement Benefit Plans - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "136",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:PercentageOfEmployeesMonthlyWagesAndSalariesAsContributionsToDefinedBenefitPlan",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "2",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfDefinedBenefitPlansExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2024To12_31_2024",
      "name": "ifrs-full:EstimateOfBenefitPaymentsExpectedToBePaidFromDefinedBenefitPlan",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R137": {
     "role": "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfDefinedBenefitPlansAmountsIncludedInConsolidatedBalanceSheetsDetail",
     "longName": "999131 - Disclosure - Retirement Benefit Plans - Summary of Defined Benefit Plans Amounts Included in Consolidated Balance Sheets (Detail)",
     "shortName": "Retirement Benefit Plans - Summary of Defined Benefit Plans Amounts Included in Consolidated Balance Sheets (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "137",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:DefinedBenefitObligationAtPresentValue",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:DefinedBenefitObligationAtPresentValue",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R138": {
     "role": "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail",
     "longName": "999132 - Disclosure - Retirement Benefit Plans - Summary of Movements in Net Defined Benefit Liability (Detail)",
     "shortName": "Retirement Benefit Plans - Summary of Movements in Net Defined Benefit Liability (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "138",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2024",
      "name": "ifrs-full:LiabilityAssetOfDefinedBenefitPlans",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2024",
      "name": "ifrs-full:LiabilityAssetOfDefinedBenefitPlans",
      "unitRef": "Unit_USD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R139": {
     "role": "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfFairValueOfThePlanAssetsByMajorCategoriesDetail",
     "longName": "999133 - Disclosure - Retirement Benefit Plans - Summary of Fair Value of the Plan Assets by Major Categories (Detail)",
     "shortName": "Retirement Benefit Plans - Summary of Fair Value of the Plan Assets by Major Categories (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "139",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:CashAndCashEquivalentsAmountContributedToFairValueOfPlanAssets",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:CashAndCashEquivalentsAmountContributedToFairValueOfPlanAssets",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R140": {
     "role": "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfKeyAssumptionsUsedForTheActuarialValuationsDetail",
     "longName": "999134 - Disclosure - Retirement Benefit Plans - Summary of Key Assumptions Used for the Actuarial Valuations (Detail)",
     "shortName": "Retirement Benefit Plans - Summary of Key Assumptions Used for the Actuarial Valuations (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "140",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_BottomOfRangeMemberifrsfullRangeAxis",
      "name": "ifrs-full:ActuarialAssumptionOfDiscountRates",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "4",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_BottomOfRangeMemberifrsfullRangeAxis",
      "name": "ifrs-full:ActuarialAssumptionOfDiscountRates",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "4",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R141": {
     "role": "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfSensitivityAnalysisOnDefinedObligationsDetail",
     "longName": "999135 - Disclosure - Retirement Benefit Plans - Summary of Sensitivity Analysis on Defined Obligations (Detail)",
     "shortName": "Retirement Benefit Plans - Summary of Sensitivity Analysis on Defined Obligations (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "141",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_ActuarialAssumptionOfDiscountRatesMemberifrsfullActuarialAssumptionsAxis",
      "name": "ifrs-full:IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_ActuarialAssumptionOfDiscountRatesMemberifrsfullActuarialAssumptionsAxis",
      "name": "ifrs-full:IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R142": {
     "role": "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMaturityAnalysisOfUndiscountedPensionBenefitDetail",
     "longName": "999136 - Disclosure - Retirement Benefit Plans - Summary of Maturity Analysis of Undiscounted Pension Benefit (Detail)",
     "shortName": "Retirement Benefit Plans - Summary of Maturity Analysis of Undiscounted Pension Benefit (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "142",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:ActuarialPresentValueOfPromisedRetirementBenefits",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:ActuarialPresentValueOfPromisedRetirementBenefits",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R143": {
     "role": "http://www.aseglobal.com/role/EquitySummaryOfShareCapitalDetail",
     "longName": "999137 - Disclosure - Equity - Summary of Share Capital (Detail)",
     "shortName": "Equity - Summary of Share Capital (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "143",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:NumberOfSharesAuthorised",
      "unitRef": "Unit_shares",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2024",
      "name": "ifrs-full:NumberOfSharesAuthorised",
      "unitRef": "Unit_shares",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R144": {
     "role": "http://www.aseglobal.com/role/EquityAdditionalInformationDetail",
     "longName": "999138 - Disclosure - Equity - Additional Information (Detail)",
     "shortName": "Equity - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "144",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:NumberOfOrdinarySharesPerADS",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:PercentageOfLegalReserveOnShareCapital",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R145": {
     "role": "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail",
     "longName": "999139 - Disclosure - Equity - Summary of Capital Surplus (Detail)",
     "shortName": "Equity - Summary of Capital Surplus (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "145",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "asx:IssuanceOfShareValue",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "asx:DisclosureOfSharePremiumExplanatory",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "asx:IssuanceOfShareValue",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "asx:DisclosureOfSharePremiumExplanatory",
       "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R146": {
     "role": "http://www.aseglobal.com/role/EquityScheduleOfAppropriationOfRetainedEarningsDetail",
     "longName": "999140 - Disclosure - Equity - Schedule of appropriation of retained earnings (Detail)",
     "shortName": "Equity - Schedule of appropriation of retained earnings (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "146",
     "firstAnchor": {
      "contextRef": "P01_01_2024To12_31_2024",
      "name": "ifrs-full:DividendsPaidOrdinarySharesPerShare",
      "unitRef": "Unit_TWD_per_Share",
      "xsiNil": "false",
      "lang": null,
      "decimals": "1",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2024To12_31_2024",
      "name": "ifrs-full:DividendsPaidOrdinarySharesPerShare",
      "unitRef": "Unit_TWD_per_Share",
      "xsiNil": "false",
      "lang": null,
      "decimals": "1",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R147": {
     "role": "http://www.aseglobal.com/role/EquitySummaryOfExchangeDifferencesOnTranslatingForeignOperationsDetail",
     "longName": "999141 - Disclosure - Equity - Summary of Exchange Differences on Translating Foreign Operations (Detail)",
     "shortName": "Equity - Summary of Exchange Differences on Translating Foreign Operations (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "147",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2024",
      "name": "ifrs-full:Equity",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_ReserveOfExchangeDifferencesOnTranslationMemberifrsfullComponentsOfEquityAxis",
      "name": "ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationNetOfTax",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R148": {
     "role": "http://www.aseglobal.com/role/EquitySummaryOfUnrealizedGainLossOnFinancialAssetsAtFvtociDetail",
     "longName": "999142 - Disclosure - Equity - Summary of Unrealized Gain (Loss) on Financial Assets at FVTOCI (Detail)",
     "shortName": "Equity - Summary of Unrealized Gain (Loss) on Financial Assets at FVTOCI (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "148",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2024",
      "name": "ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "asx:DisclosureOfDetailedInformationAboutFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory",
       "div",
       "asx:DisclosureOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2024_UnrealizedGainLossOnFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMemberifrsfullComponentsOfEquityAxis",
      "name": "ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome",
      "unitRef": "Unit_USD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R149": {
     "role": "http://www.aseglobal.com/role/EquityScheduleOfDetailedInformationAboutHedgesOfNetInvestmentsOfForeignOperationsDetail",
     "longName": "999143 - Disclosure - Equity - Schedule Of Detailed Information About Hedges Of Net Investments Of Foreign Operations (Detail)",
     "shortName": "Equity - Schedule Of Detailed Information About Hedges Of Net Investments Of Foreign Operations (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "149",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2024",
      "name": "asx:GainsLossesOnHedgesOfNetInvestmentsInForeignOperationsNetOfTaxes",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2024",
      "name": "asx:GainsLossesOnHedgesOfNetInvestmentsInForeignOperationsNetOfTaxes",
      "unitRef": "Unit_USD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R150": {
     "role": "http://www.aseglobal.com/role/EquitySummaryOfUnearnedEmployeeCompensationDetail",
     "longName": "999144 - Disclosure - Equity - Summary of Unearned Employee Compensation (Detail)",
     "shortName": "Equity - Summary of Unearned Employee Compensation (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "150",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2024",
      "name": "asx:UnearnedEmployeeCompensation",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2024",
      "name": "asx:UnearnedEmployeeCompensation",
      "unitRef": "Unit_USD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R151": {
     "role": "http://www.aseglobal.com/role/EquitySummaryOfSharesHeldBySubsidiariesDetail",
     "longName": "999145 - Disclosure - Equity - Summary of Shares Held By Subsidiaries (Detail)",
     "shortName": "Equity - Summary of Shares Held By Subsidiaries (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "151",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates",
      "unitRef": "Unit_shares",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "ifrs-full:SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "asx:SharesHeldBySubsidiariesValue",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R152": {
     "role": "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail",
     "longName": "999146 - Disclosure - Equity - Summary of Non-controlling Interests (Detail)",
     "shortName": "Equity - Summary of Non-controlling Interests (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "152",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2024",
      "name": "ifrs-full:Equity",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_NoncontrollingInterestsMemberifrsfullComponentsOfEquityAxis",
      "name": "ifrs-full:ProfitLossAttributableToNoncontrollingInterests",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R153": {
     "role": "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherOperatingIncomeAndExpensesNetDetail",
     "longName": "999147 - Disclosure - Profit Before Income Tax - Summary of Other Operating Income and Expenses, Net (Detail)",
     "shortName": "Profit Before Income Tax - Summary of Other Operating Income and Expenses, Net (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "153",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:RentalIncome",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfOtherOperatingIncomeExpenseExplanatory",
       "asx:DisclosureOfOperatingExpensesAndNonoperatingIncomeAndExpensesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:RentalIncome",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfOtherOperatingIncomeExpenseExplanatory",
       "asx:DisclosureOfOperatingExpensesAndNonoperatingIncomeAndExpensesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R154": {
     "role": "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherIncomeDetail",
     "longName": "999148 - Disclosure - Profit Before Income Tax - Summary of Other Income (Detail)",
     "shortName": "Profit Before Income Tax - Summary of Other Income (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "154",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:InterestIncomeBankDeposits",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfFinanceIncomeExplanatory",
       "asx:DisclosureOfOperatingExpensesAndNonoperatingIncomeAndExpensesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:InterestIncomeBankDeposits",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfFinanceIncomeExplanatory",
       "asx:DisclosureOfOperatingExpensesAndNonoperatingIncomeAndExpensesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R155": {
     "role": "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherGainsAndLossesDetail",
     "longName": "999149 - Disclosure - Profit Before Income Tax - Summary of Other Gains and Losses (Detail)",
     "shortName": "Profit Before Income Tax - Summary of Other Gains and Losses (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "155",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R156": {
     "role": "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfFinanceCostsDetail",
     "longName": "999150 - Disclosure - Profit Before Income Tax - Summary of Finance Costs (Detail)",
     "shortName": "Profit Before Income Tax - Summary of Finance Costs (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "156",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:InterestExpenseOnLeaseLiabilities",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:InterestExpenseOnLeaseLiabilities",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R157": {
     "role": "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfAnnualInterestRatesOfCapitalizedBorrowingCostsDetail",
     "longName": "999151 - Disclosure - Profit Before Income Tax - Summary of Annual interest rates of capitalized borrowing Costs (Detail)",
     "shortName": "Profit Before Income Tax - Summary of Annual interest rates of capitalized borrowing Costs (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "157",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_BottomOfRangeMemberifrsfullRangeAxis_PropertyPlantAndEquipmentMemberifrsfullAssetsAndLiabilitiesAxis",
      "name": "ifrs-full:CapitalisationRateOfBorrowingCostsEligibleForCapitalisation",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_BottomOfRangeMemberifrsfullRangeAxis_PropertyPlantAndEquipmentMemberifrsfullAssetsAndLiabilitiesAxis",
      "name": "ifrs-full:CapitalisationRateOfBorrowingCostsEligibleForCapitalisation",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R158": {
     "role": "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfDepreciationAndAmortizationDetail",
     "longName": "999152 - Disclosure - Profit Before Income Tax - Summary of Depreciation and Amortization (Detail)",
     "shortName": "Profit Before Income Tax - Summary of Depreciation and Amortization (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "158",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DepreciationPropertyPlantAndEquipment",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfDepreciationAndAmortisationExpenseExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_OperatingCostsMemberASXIncomeStatementLocation1Axis",
      "name": "ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfDepreciationAndAmortisationExpenseExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R159": {
     "role": "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOperatingExpensesDirectlyRelatedToInvestmentPropertiesDetail",
     "longName": "999153 - Disclosure - Profit Before Income Tax - Summary of Operating Expenses Directly Related to Investment Properties (Detail)",
     "shortName": "Profit Before Income Tax - Summary of Operating Expenses Directly Related to Investment Properties (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "159",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DirectOperatingExpenseFromInvestmentPropertyGeneratingRentalIncome",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "div",
       "asx:DisclosureOfOperatingExpensesDirectlyRelatedToInvestmentPropertiesExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DirectOperatingExpenseFromInvestmentPropertyGeneratingRentalIncome",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "div",
       "asx:DisclosureOfOperatingExpensesDirectlyRelatedToInvestmentPropertiesExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R160": {
     "role": "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeeBenefitsExpenseDetail",
     "longName": "999154 - Disclosure - Profit Before Income Tax - Summary of Employee Benefits Expense (Detail)",
     "shortName": "Profit Before Income Tax - Summary of Employee Benefits Expense (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "160",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:PostemploymentBenefitExpenseDefinedContributionPlans",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "ifrs-full:DisclosureOfEmployeeBenefitsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:PostemploymentBenefitExpenseDefinedContributionPlans",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "ifrs-full:DisclosureOfEmployeeBenefitsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R161": {
     "role": "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxAdditionalInformationDetail",
     "longName": "999155 - Disclosure - Profit Before Income Tax - Additional Information (Detail)",
     "shortName": "Profit Before Income Tax - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "161",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:PercentageOfEmployeesCompensation",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "4",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DifferenceBetweenEmployeeCompensationBenefitsAndDirectorRemunerationAdjustedInNetProfit",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "asx:DisclosureOfAppropriationsOfEmployeeCompensationAndDirectorsAndSupervisorsRemunerationExplanatoryTextBlock",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R162": {
     "role": "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeesCompensationAndRemunerationToDirectorsDetail",
     "longName": "999156 - Disclosure - Profit Before Income Tax - Summary of Employees' Compensation and Remuneration to Directors (Detail)",
     "shortName": "Profit Before Income Tax - Summary of Employees' Compensation and Remuneration to Directors (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "162",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:PercentageOfEmployeesCompensation",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "4",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:DirectorsRemunerationPayable",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R163": {
     "role": "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail",
     "longName": "999157 - Disclosure - Income Tax - Summary of Major Components of Income Tax Expense (Detail)",
     "shortName": "Income Tax - Summary of Major Components of Income Tax Expense (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "163",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:CurrentTaxExpenseIncome",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ifrs-full:DisclosureOfIncomeTaxExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:CurrentTaxExpenseIncome",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ifrs-full:DisclosureOfIncomeTaxExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R164": {
     "role": "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail",
     "longName": "999158 - Disclosure - Income Tax - Summary of Reconciliation of Income Tax Expense (Detail)",
     "shortName": "Income Tax - Summary of Reconciliation of Income Tax Expense (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "164",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:ProfitLossBeforeTax",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfOperatingSegmentsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:TaxExpenseIncomeAtApplicableTaxRate",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "div",
       "div",
       "ifrs-full:DisclosureOfIncomeTaxExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R165": {
     "role": "http://www.aseglobal.com/role/IncomeTaxAdditionalInformationDetail",
     "longName": "999159 - Disclosure - Income Tax - Additional Information (Detail)",
     "shortName": "Income Tax - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "165",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R166": {
     "role": "http://www.aseglobal.com/role/IncomeTaxSummaryOfIncomeTaxRecognizedDirectlyInEquityDetail",
     "longName": "999160 - Disclosure - Income Tax - Summary of Income Tax Recognized Directly in Equity (Detail)",
     "shortName": "Income Tax - Summary of Income Tax Recognized Directly in Equity (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "166",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": null
    },
    "R167": {
     "role": "http://www.aseglobal.com/role/IncomeTaxSummaryOfIncomeTaxRecognizedInOtherComprehensiveIncomeDetail",
     "longName": "999161 - Disclosure - Income Tax - Summary of Income Tax Recognized in Other Comprehensive Income (Detail)",
     "shortName": "Income Tax - Summary of Income Tax Recognized in Other Comprehensive Income (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "167",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R168": {
     "role": "http://www.aseglobal.com/role/IncomeTaxSummaryOfCurrentTaxAssetsAndLiabilitiesDetail",
     "longName": "999162 - Disclosure - Income Tax - Summary of Current Tax Assets and Liabilities (Detail)",
     "shortName": "Income Tax - Summary of Current Tax Assets and Liabilities (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "168",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "asx:CurrentTaxRefundReceivable",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "asx:CurrentTaxRefundReceivable",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R169": {
     "role": "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail",
     "longName": "999163 - Disclosure - Income Tax - Summary of Movements of Deferred Tax Assets and Deferred Tax Liabilities (Detail)",
     "shortName": "Income Tax - Summary of Movements of Deferred Tax Assets and Deferred Tax Liabilities (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "169",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ifrs-full:DisclosureOfIncomeTaxExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2024_DeferredTaxAssetsMemberASXDeferredTaxAssetsLiabilitiesAxis",
      "name": "ifrs-full:DeferredTaxLiabilityAsset",
      "unitRef": "Unit_USD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R170": {
     "role": "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnrecognizedDeferredTaxAssetsRelatedToLossCarryForwardInvestmentCreditsAndDeductibleTemporaryDifferencesDetail",
     "longName": "999164 - Disclosure - Income Tax - Summary of Unrecognized Deferred Tax Assets Related to Loss Carry-forward, Investment Credits and Deductible Temporary Differences (Detail)",
     "shortName": "Income Tax - Summary of Unrecognized Deferred Tax Assets Related to Loss Carry-forward, Investment Credits and Deductible Temporary Differences (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "170",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R171": {
     "role": "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedLossCarryForwardDetail",
     "longName": "999165 - Disclosure - Income Tax - Summary of Unused Loss Carry-forward (Detail)",
     "shortName": "Income Tax - Summary of Unused Loss Carry-forward (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "171",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:NetDeferredTaxLiabilities",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_YearOneMemberifrsfullMaturityAxis",
      "name": "ifrs-full:NetDeferredTaxLiabilities",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R172": {
     "role": "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedInvestmentCreditsDetail",
     "longName": "999166 - Disclosure - Income Tax - Summary of Unused Investment Credits (Detail)",
     "shortName": "Income Tax - Summary of Unused Investment Credits (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "172",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:NetDeferredTaxLiabilities",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_UnusedTaxCreditsMemberifrsfullTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis",
      "name": "ifrs-full:NetDeferredTaxLiabilities",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R173": {
     "role": "http://www.aseglobal.com/role/EarningsPerShareSummaryOfEarningsAndWeightedAverageNumberOfOrdinarySharesOutstandingInComputationOfEarningsPerShareDetail",
     "longName": "999167 - Disclosure - Earnings Per Share - Summary of Earnings and Weighted Average Number of Ordinary Shares Outstanding in Computation of Earnings Per Share (Detail)",
     "shortName": "Earnings Per Share - Summary of Earnings and Weighted Average Number of Ordinary Shares Outstanding in Computation of Earnings Per Share (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "173",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:ProfitLossAttributableToOwnersOfParent",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ifrs-full:EarningsPerShareExplanatory",
       "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:IncreaseDecreaseToProfitLossToReflectDilutiveEffectResultingFromAssumedConversionOfPotentialOrdinaryShares",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ifrs-full:EarningsPerShareExplanatory",
       "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R174": {
     "role": "http://www.aseglobal.com/role/EarningsPerShareAdditionalInformationDetail",
     "longName": "999168 - Disclosure - Earnings Per Share - Additional Information (Detail)",
     "shortName": "Earnings Per Share - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "174",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:NumberOfOrdinarySharesPerADS",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "0",
      "ancestors": [
       "div",
       "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": null
    },
    "R175": {
     "role": "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail",
     "longName": "999169 - Disclosure - Share-based Payment Arrangements - Additional Information (Detail)",
     "shortName": "Share-based Payment Arrangements - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "175",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:DescriptionOfMaximumTermOfOptionsGrantedForSharebasedPaymentArrangement",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P05_31_2021To05_31_2021",
      "name": "ifrs-full:NumberOfInstrumentsGrantedInSharebasedPaymentArrangement",
      "unitRef": "Unit_shares",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R176": {
     "role": "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
     "longName": "999170 - Disclosure - Share-based Payment Arrangements - Summary of Information About ASE Inc. Option Plans (Detail)",
     "shortName": "Share-based Payment Arrangements - Summary of Information About ASE Inc. Option Plans (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "176",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2024_TheCompanyOptionPlansMemberifrsfullTypesOfSharebasedPaymentArrangementsAxis",
      "name": "ifrs-full:NumberOfOutstandingShareOptions",
      "unitRef": "Unit_shares",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2022_TheCompanyOptionPlansMemberifrsfullTypesOfSharebasedPaymentArrangementsAxis",
      "name": "ifrs-full:NumberOfOutstandingShareOptions",
      "unitRef": "Unit_shares",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R177": {
     "role": "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutEmployeeRestrictedStockAwardsDetail",
     "longName": "999171 - Disclosure - Share-based Payment Arrangements - Summary Of Information About Employee Restricted Stock Awards (Detail)",
     "shortName": "Share-based Payment Arrangements - Summary Of Information About Employee Restricted Stock Awards (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "177",
     "firstAnchor": {
      "contextRef": "P09_06_2024To09_06_2024",
      "name": "ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted",
      "unitRef": "Unit_shares",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2022_EmployeeRestrictedStockAwardMemberifrsfullTypesOfSharebasedPaymentArrangementsAxis_EmployeeRestrictedStockAwardsPlanMemberASXPlanName1Axis",
      "name": "ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement",
      "unitRef": "Unit_shares",
      "xsiNil": "false",
      "lang": null,
      "decimals": "INF",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R178": {
     "role": "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfAseIncOptionPlansOutstandingShareOptionsDetail",
     "longName": "999172 - Disclosure - Share-based Payment Arrangements - Summary of ASE Inc. Option Plans Outstanding Share Options (Detail)",
     "shortName": "Share-based Payment Arrangements - Summary of ASE Inc. Option Plans Outstanding Share Options (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "178",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2024_ASEIncOptionPlansMemberifrsfullTypesOfSharebasedPaymentArrangementsAxis_FifthShareOptionsExercisePriceMemberifrsfullRangesOfExercisePricesForOutstandingShareOptionsAxis",
      "name": "ifrs-full:ExercisePriceOfOutstandingShareOptions2019",
      "unitRef": "Unit_TWD_per_Share",
      "xsiNil": "false",
      "lang": null,
      "decimals": "1",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2024_ASEIncOptionPlansMemberifrsfullTypesOfSharebasedPaymentArrangementsAxis_FifthShareOptionsExercisePriceMemberifrsfullRangesOfExercisePricesForOutstandingShareOptionsAxis",
      "name": "ifrs-full:ExercisePriceOfOutstandingShareOptions2019",
      "unitRef": "Unit_TWD_per_Share",
      "xsiNil": "false",
      "lang": null,
      "decimals": "1",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R179": {
     "role": "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail",
     "longName": "999173 - Disclosure - Share-based Payment Arrangements - Summary of Information About USISH Option Plans (Detail)",
     "shortName": "Share-based Payment Arrangements - Summary of Information About USISH Option Plans (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "179",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2024_USISHOptionPlansMemberifrsfullTypesOfSharebasedPaymentArrangementsAxis",
      "name": "ifrs-full:NumberOfOutstandingShareOptions",
      "unitRef": "Unit_shares",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2022_USISHOptionPlansMemberifrsfullTypesOfSharebasedPaymentArrangementsAxis",
      "name": "ifrs-full:NumberOfOutstandingShareOptions",
      "unitRef": "Unit_shares",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R180": {
     "role": "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfUsishSOutstandingShareOptionsBalanceSheetDetail",
     "longName": "999174 - Disclosure - Share-based Payment Arrangements - Summary of USISH's outstanding share options balance sheet (Detail)",
     "shortName": "Share-based Payment Arrangements - Summary of USISH's outstanding share options balance sheet (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "180",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2024_TwoThousandFifteenShareOptionsMemberASXPlanName1Axis_USISHOptionPlansMemberifrsfullTypesOfSharebasedPaymentArrangementsAxis",
      "name": "ifrs-full:ExercisePriceOfOutstandingShareOptions2019",
      "unitRef": "Unit_CNY_per_Share",
      "xsiNil": "false",
      "lang": null,
      "decimals": "1",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2024_TwoThousandFifteenShareOptionsMemberASXPlanName1Axis_USISHOptionPlansMemberifrsfullTypesOfSharebasedPaymentArrangementsAxis",
      "name": "ifrs-full:ExercisePriceOfOutstandingShareOptions2019",
      "unitRef": "Unit_CNY_per_Share",
      "xsiNil": "false",
      "lang": null,
      "decimals": "1",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R181": {
     "role": "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail",
     "longName": "999175 - Disclosure - Share-based Payment Arrangements - Summary of Information About Restricted Shares (Detail)",
     "shortName": "Share-based Payment Arrangements - Summary of Information About Restricted Shares (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "181",
     "firstAnchor": {
      "contextRef": "P09_06_2024To09_06_2024",
      "name": "ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted",
      "unitRef": "Unit_shares",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2022_USISHOptionPlansMemberifrsfullTypesOfSharebasedPaymentArrangementsAxis",
      "name": "ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement",
      "unitRef": "Unit_shares",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "div",
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R182": {
     "role": "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfOutstandingRestrictedSharesAtBalanceSheetDetail",
     "longName": "999176 - Disclosure - Share-based Payment Arrangements - Summary of Outstanding Restricted Shares At Balance Sheet (Detail)",
     "shortName": "Share-based Payment Arrangements - Summary of Outstanding Restricted Shares At Balance Sheet (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "182",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_TwoThousandAndTwentyThreeGrantedMemberASXGrantedAxis_USISHOptionPlansMemberifrsfullTypesOfSharebasedPaymentArrangementsAxis",
      "name": "asx:ExercisePriceOfOutstandingRestrictedShares2019",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "1",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_TwoThousandAndTwentyThreeGrantedMemberASXGrantedAxis_USISHOptionPlansMemberifrsfullTypesOfSharebasedPaymentArrangementsAxis",
      "name": "asx:ExercisePriceOfOutstandingRestrictedShares2019",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "1",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R183": {
     "role": "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfFairValueUsingTrinomialTreeModelAndInputsDetail",
     "longName": "999177 - Disclosure - Share-based Payment Arrangements - Summary of Fair Value using Trinomial Tree Model and Inputs (Detail)",
     "shortName": "Share-based Payment Arrangements - Summary of Fair Value using Trinomial Tree Model and Inputs (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "183",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_TrinomialTreeModelMemberifrsfullTypesOfSharebasedPaymentArrangementsAxis_UsishEmployeeStockOwnershipPlanRestrictedSharesTwoThousandAndTwentyFourMemberASXPlanName1Axis",
      "name": "ifrs-full:WeightedAverageSharePriceShareOptionsGranted2019",
      "unitRef": "Unit_CNY_per_Share",
      "xsiNil": "false",
      "lang": null,
      "decimals": "2",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_TrinomialTreeModelMemberifrsfullTypesOfSharebasedPaymentArrangementsAxis_UsishEmployeeStockOwnershipPlanRestrictedSharesTwoThousandAndTwentyFourMemberASXPlanName1Axis",
      "name": "ifrs-full:WeightedAverageSharePriceShareOptionsGranted2019",
      "unitRef": "Unit_CNY_per_Share",
      "xsiNil": "false",
      "lang": null,
      "decimals": "2",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R184": {
     "role": "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfSubsidiaryAcquiredDetail",
     "longName": "999178 - Disclosure - Business Combinations - Summary of Subsidiary Acquired (Detail)",
     "shortName": "Business Combinations - Summary of Subsidiary Acquired (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "184",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_HirschmannMemberifrsfullSignificantInvestmentsInAssociatesAxis",
      "name": "ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ifrs-full:DisclosureOfBusinessCombinationsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_HirschmannMemberifrsfullSignificantInvestmentsInAssociatesAxis",
      "name": "ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ifrs-full:DisclosureOfBusinessCombinationsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R185": {
     "role": "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
     "longName": "999179 - Disclosure - Business Combinations - Additional Information (Detail)",
     "shortName": "Business Combinations - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "185",
     "firstAnchor": {
      "contextRef": "P01_01_2024To12_31_2024",
      "name": "ifrs-full:RevenueOfCombinedEntity",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2024To12_31_2024",
      "name": "ifrs-full:RevenueOfCombinedEntity",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R186": {
     "role": "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfConsiderationTransferredInBusinessCombinationDetail",
     "longName": "999180 - Disclosure - Business Combinations - Summary of Consideration Transferred in business combination (Detail)",
     "shortName": "Business Combinations - Summary of Consideration Transferred in business combination (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "186",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_HirschmannMemberifrsfullSignificantInvestmentsInAssociatesAxis",
      "name": "ifrs-full:CashTransferred",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_ConsiderationTransferredMemberifrsfullBusinessCombinationsAxis_HirschmannMemberifrsfullSignificantInvestmentsInAssociatesAxis",
      "name": "ifrs-full:CashTransferred",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ifrs-full:DisclosureOfBusinessCombinationsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R187": {
     "role": "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail",
     "longName": "999181 - Disclosure - Business Combinations - Summary of Assets Acquired and Liabilities Assumed at the Date of Acquisition (Detail)",
     "shortName": "Business Combinations - Summary of Assets Acquired and Liabilities Assumed at the Date of Acquisition (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "187",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_HirschmannMemberifrsfullSignificantInvestmentsInAssociatesAxis",
      "name": "ifrs-full:CashAndCashEquivalentsRecognisedAsOfAcquisitionDate",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_HirschmannMemberifrsfullSignificantInvestmentsInAssociatesAxis",
      "name": "ifrs-full:CashAndCashEquivalentsRecognisedAsOfAcquisitionDate",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R188": {
     "role": "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfGoodwillRecognizedOnAcquisitionsDetail",
     "longName": "999182 - Disclosure - Business Combinations - Summary of Goodwill Recognized on Acquisitions (Detail)",
     "shortName": "Business Combinations - Summary of Goodwill Recognized on Acquisitions (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "188",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_HirschmannMemberifrsfullSignificantInvestmentsInAssociatesAxis",
      "name": "ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ifrs-full:DisclosureOfBusinessCombinationsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_HirschmannMemberifrsfullSignificantInvestmentsInAssociatesAxis",
      "name": "asx:GainLossRecognisedInBargainPurchaseTransaction",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R189": {
     "role": "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfNetCashOutflowOnAcquisitionOfSubsidiaryDetail",
     "longName": "999183 - Disclosure - Business Combinations - Summary of Net Cash Outflow on Acquisition of Subsidiary (Detail)",
     "shortName": "Business Combinations - Summary of Net Cash Outflow on Acquisition of Subsidiary (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "189",
     "firstAnchor": {
      "contextRef": "P01_01_2024To12_31_2024",
      "name": "ifrs-full:CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_HirschmannMemberifrsfullSignificantInvestmentsInAssociatesAxis",
      "name": "ifrs-full:CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R190": {
     "role": "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfImpactOfAcquisitionsByComprehensiveIncomeDetail",
     "longName": "999184 - Disclosure - Business Combinations - Summary of Impact of Acquisitions by Comprehensive Income (Detail)",
     "shortName": "Business Combinations - Summary of Impact of Acquisitions by Comprehensive Income (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "190",
     "firstAnchor": {
      "contextRef": "P10_27_2023To12_31_2023_HirschmannMemberifrsfullSignificantInvestmentsInAssociatesAxis",
      "name": "ifrs-full:RevenueOfAcquiree",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "asx:DisclosureOfImpactOfAcquisitionByComprehensiveIncomeExplanatory",
       "div",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P10_27_2023To12_31_2023_HirschmannMemberifrsfullSignificantInvestmentsInAssociatesAxis",
      "name": "ifrs-full:RevenueOfAcquiree",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "asx:DisclosureOfImpactOfAcquisitionByComprehensiveIncomeExplanatory",
       "div",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R191": {
     "role": "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostDetail",
     "longName": "999185 - Disclosure - Disposal of Subsidiary - Summary of Analysis of Assets and Liabilities on Date Control was Lost (Detail)",
     "shortName": "Disposal of Subsidiary - Summary of Analysis of Assets and Liabilities on Date Control was Lost (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "191",
     "firstAnchor": {
      "contextRef": "P01_01_2024To12_31_2024",
      "name": "asx:NetAssetsDisposedCashAndCashEquivalents",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "asx:DisclosureOfDisposalOfSubsidiaryExplanatoryTextBlock",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2024To12_31_2024",
      "name": "asx:NetAssetsDisposedCashAndCashEquivalents",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "asx:DisclosureOfDisposalOfSubsidiaryExplanatoryTextBlock",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R192": {
     "role": "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfGainOnDisposalOfSubsidiaryDetail",
     "longName": "999186 - Disclosure - Disposal of Subsidiary - Summary of Gain on Disposal of Subsidiary (Detail)",
     "shortName": "Disposal of Subsidiary - Summary of Gain on Disposal of Subsidiary (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "192",
     "firstAnchor": {
      "contextRef": "P01_01_2024To12_31_2024",
      "name": "ifrs-full:ConsiderationPaidReceived",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "asx:DisclosureOfDisposalOfSubsidiaryExplanatoryTextBlock",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2024To12_31_2024",
      "name": "ifrs-full:LiabilitiesInSubsidiaryOrBusinessesAcquiredOrDisposed2013",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "asx:DisclosureOfDisposalOfSubsidiaryExplanatoryTextBlock",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R193": {
     "role": "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfNetCashInflowOnDisposalOfSubsidiariesDetail",
     "longName": "999187 - Disclosure - Disposal of Subsidiary - Summary of Net Cash Inflow on Disposal of Subsidiaries (Detail)",
     "shortName": "Disposal of Subsidiary - Summary of Net Cash Inflow on Disposal of Subsidiaries (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "193",
     "firstAnchor": {
      "contextRef": "P01_01_2024To12_31_2024",
      "name": "ifrs-full:ConsiderationPaidReceived",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "asx:DisclosureOfDisposalOfSubsidiaryExplanatoryTextBlock",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2024To12_31_2024",
      "name": "asx:NetCashInflowArisingFromDisposalOfSubsidiary",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R194": {
     "role": "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail",
     "longName": "999188 - Disclosure - Disposal of Subsidiary - Additional Information (Detail)",
     "shortName": "Disposal of Subsidiary - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "194",
     "firstAnchor": {
      "contextRef": "P12_01_2023To12_31_2023_ASETestLimitedMemberASXInvestorAxis_HungChingDevelopmentConstructionCoMemberASXAcquireeAxis",
      "name": "asx:SharesInTheSubsidiaryCompanyDisposedOffDuringThePeriod",
      "unitRef": "Unit_shares",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "asx:DisclosureOfDisposalOfSubsidiaryExplanatoryTextBlock",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P12_01_2023To12_31_2023_ASETestLimitedMemberASXInvestorAxis_HungChingDevelopmentConstructionCoMemberASXAcquireeAxis",
      "name": "asx:SharesInTheSubsidiaryCompanyDisposedOffDuringThePeriod",
      "unitRef": "Unit_shares",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "asx:DisclosureOfDisposalOfSubsidiaryExplanatoryTextBlock",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R195": {
     "role": "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail",
     "longName": "999189 - Disclosure - Equity Transaction with Non-controlling Interests - Additional Information (Detail)",
     "shortName": "Equity Transaction with Non-controlling Interests - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "195",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_USISHMemberifrsfullSignificantInvestmentsInSubsidiariesAxis",
      "name": "asx:IncreaseDecreaseInSharePremium",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "div",
       "div",
       "asx:EquityTransactionsWithNoncontrollingInterestsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_USISHMemberifrsfullSignificantInvestmentsInSubsidiariesAxis",
      "name": "asx:IncreaseDecreaseInSharePremium",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "div",
       "div",
       "asx:EquityTransactionsWithNoncontrollingInterestsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R196": {
     "role": "http://www.aseglobal.com/role/CashFlowInformationAdditionalInformationDetail",
     "longName": "999190 - Disclosure - Cash Flow Information - Additional Information (Detail)",
     "shortName": "Cash Flow Information - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "196",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:OtherNoncashEffectsSupplierFinanceArrangements",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:OtherNoncashEffectsSupplierFinanceArrangements",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R197": {
     "role": "http://www.aseglobal.com/role/CashFlowInformationSummaryOfNonCashActivitiesDetail",
     "longName": "999191 - Disclosure - Cash Flow Information - Summary of Non-cash Activities (Detail)",
     "shortName": "Cash Flow Information - Summary of Non-cash Activities (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "197",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ifrs-full:DisclosureOfCashFlowStatementExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:IncreaseDecreaseInOtherNonCurrentAssetsForPropertyPlantAndEquipment",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ifrs-full:DisclosureOfCashFlowStatementExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R198": {
     "role": "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail",
     "longName": "999192 - Disclosure - Cash Flow Information - Change in Liabilities Arising From Financing Activities (Detail)",
     "shortName": "Cash Flow Information - Change in Liabilities Arising From Financing Activities (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "198",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2024",
      "name": "ifrs-full:LiabilitiesArisingFromFinancingActivities",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2024",
      "name": "ifrs-full:LiabilitiesArisingFromFinancingActivities",
      "unitRef": "Unit_USD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R199": {
     "role": "http://www.aseglobal.com/role/CashFlowInformationSummaryOfSupplierFinancingArrangementsReceivedPaymentDetail",
     "longName": "999193 - Disclosure - Cash Flow Information - Summary of Supplier Financing Arrangements - Received Payment (Detail)",
     "shortName": "Cash Flow Information - Summary of Supplier Financing Arrangements - Received Payment (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "199",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:FinancialLiabilities",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": null
    },
    "R200": {
     "role": "http://www.aseglobal.com/role/CashFlowInformationSummaryOfSupplierFinancingArrangementsTradePayablesDetail",
     "longName": "999194 - Disclosure - Cash Flow Information - Summary of Supplier Financing Arrangements - Trade Payables (Detail)",
     "shortName": "Cash Flow Information - Summary of Supplier Financing Arrangements - Trade Payables (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "200",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_MinimumMembersrtRangeAxis",
      "name": "ifrs-full:NumberOfDaysBetweenInvoiceDateAndPaymentDueDateForFinancialLiabilitiesThatArePartOfSupplierFinanceArrangements",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_MinimumMembersrtRangeAxis",
      "name": "ifrs-full:NumberOfDaysBetweenInvoiceDateAndPaymentDueDateForFinancialLiabilitiesThatArePartOfSupplierFinanceArrangements",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R201": {
     "role": "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsNotMeasuredAtFairValueButForWhichFairValueIsDisclosedDetail",
     "longName": "999195 - Disclosure - Financial Instruments - Summary of Fair Value of Financial Instruments Not Measured at Fair Value but for Which Fair Value is Disclosed (Detail)",
     "shortName": "Financial Instruments - Summary of Fair Value of Financial Instruments Not Measured at Fair Value but for Which Fair Value is Disclosed (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "201",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:BondsIssued",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_AtFairValueMemberifrsfullMeasurementAxis",
      "name": "ifrs-full:BondsIssued",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ifrs-full:DisclosureOfFinancialInstrumentsExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R202": {
     "role": "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail",
     "longName": "999196 - Disclosure - Financial Instruments - Summary of Fair Value of Financial Instruments that are Measured at Fair Value on a Recurring Basis (Detail)",
     "shortName": "Financial Instruments - Summary of Fair Value of Financial Instruments that are Measured at Fair Value on a Recurring Basis (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "202",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R203": {
     "role": "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail",
     "longName": "999197 - Disclosure - Financial Instruments - Additional Information (Detail)",
     "shortName": "Financial Instruments - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "203",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:IncreasePercentageOfSignificantUnobservableInputsDiscountRate",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "2",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2024To12_31_2024",
      "name": "asx:IncreasePercentageOfSignificantUnobservableInputsDiscountRate",
      "unitRef": "Unit_pure",
      "xsiNil": "false",
      "lang": null,
      "decimals": "3",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R204": {
     "role": "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail",
     "longName": "999198 - Disclosure - Financial Instruments - Summary of Financial Assets Measured at Level 3 Fair Value (Detail)",
     "shortName": "Financial Instruments - Summary of Financial Assets Measured at Level 3 Fair Value (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "204",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2024",
      "name": "ifrs-full:Assets",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2024_FinancialAssetsAvailableforsaleCategoryMemberifrsfullCategoriesOfFinancialAssetsAxis_Level3OfFairValueHierarchyMemberifrsfullLevelsOfFairValueHierarchyAxis",
      "name": "ifrs-full:Assets",
      "unitRef": "Unit_USD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R205": {
     "role": "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfCategoriesOfFinancialInstrumentsDetail",
     "longName": "999199 - Disclosure - Financial Instruments - Summary of Categories of Financial Instruments (Detail)",
     "shortName": "Financial Instruments - Summary of Categories of Financial Instruments (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "205",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:FinancialAssetsAtAmortisedCost",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R206": {
     "role": "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesDetail",
     "longName": "999200 - Disclosure - Financial Instruments - Summary of Detailed Information About Hedges (Detail)",
     "shortName": "Financial Instruments - Summary of Detailed Information About Hedges (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "206",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "asx:CurrentFinancialLiabilitiesForHedging",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_FairValueHedgeOfBorrowingsDenominatedInForeignCurrenciesMemberifrsfullTypesOfHedgesAxis",
      "name": "asx:CurrentFinancialAssetsForHedging",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfDetailedInformationAboutHedgedItemsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R207": {
     "role": "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesItemsDetail",
     "longName": "999201 - Disclosure - Financial Instruments - Summary of Detailed Information About Hedges Items (Detail)",
     "shortName": "Financial Instruments - Summary of Detailed Information About Hedges Items (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "207",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_BorrowingsDenominatedInForeignCurrenciesMemberifrsfullTypesOfHedgesAxis",
      "name": "asx:GainLossOnChangeInFairValueOfHedgedItemAssets",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_BorrowingsDenominatedInForeignCurrenciesMemberifrsfullTypesOfHedgesAxis",
      "name": "asx:GainLossOnChangeInFairValueOfHedgedItemAssets",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R208": {
     "role": "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfInterestRateRiskDetail",
     "longName": "999202 - Disclosure - Financial Instruments - Summary of Interest Rate Risk (Detail)",
     "shortName": "Financial Instruments - Summary of Interest Rate Risk (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "208",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:FinancialLiabilities",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_FairValueInterestRateRiskMemberifrsfullTypesOfRisksAxis",
      "name": "ifrs-full:FinancialAssets",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R209": {
     "role": "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesDetail",
     "longName": "999203 - Disclosure - Financial Instruments - Summary of Maturity Analysis for Non-derivative Financial Liabilities (Detail)",
     "shortName": "Financial Instruments - Summary of Maturity Analysis for Non-derivative Financial Liabilities (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "209",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_NotLaterThanOneMonthMemberifrsfullMaturityAxis",
      "name": "ifrs-full:NonderivativeFinancialLiabilitiesUndiscountedCashFlows",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_NotLaterThanOneMonthMemberifrsfullMaturityAxis",
      "name": "ifrs-full:NonderivativeFinancialLiabilitiesUndiscountedCashFlows",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R210": {
     "role": "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutMaturityAnalysisOfObligationUnderLeasesDetail",
     "longName": "999204 - Disclosure - Financial Instruments - Summary of Detailed Information about Maturity Analysis of Obligation under Leases (Detail)",
     "shortName": "Financial Instruments - Summary of Detailed Information about Maturity Analysis of Obligation under Leases (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "210",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_LeaseLiabilitiesMemberifrsfullLiabilitiesArisingFromFinancingActivitiesAxis_NotLaterThanOneYearMemberifrsfullMaturityAxis",
      "name": "ifrs-full:NonderivativeFinancialLiabilitiesUndiscountedCashFlows",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_LeaseLiabilitiesMemberifrsfullLiabilitiesArisingFromFinancingActivitiesAxis_NotLaterThanOneYearMemberifrsfullMaturityAxis",
      "name": "ifrs-full:NonderivativeFinancialLiabilitiesUndiscountedCashFlows",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R211": {
     "role": "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForDerivativeFinancialInstrumentsDetail",
     "longName": "999205 - Disclosure - Financial Instruments - Summary of Maturity Analysis for Derivative Financial Instruments (Detail)",
     "shortName": "Financial Instruments - Summary of Maturity Analysis for Derivative Financial Instruments (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "211",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025_NotLaterThanOneMonthMemberifrsfullMaturityAxis",
      "name": "asx:ContractualAmountsToBeDerivativesFinancialInstrumentsInCashFlowsAreExchanged",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_NotLaterThanOneMonthMemberifrsfullMaturityAxis",
      "name": "asx:ContractualAmountsToBeDerivativesFinancialInstrumentsInCashFlowsAreExchanged",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R212": {
     "role": "http://www.aseglobal.com/role/RelatedPartyTransactionsAdditionalInformationDetail",
     "longName": "999206 - Disclosure - Related Party Transactions - Additional Information (Detail)",
     "shortName": "Related Party Transactions - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "212",
     "firstAnchor": {
      "contextRef": "P11_01_2025To11_30_2025_AsxhcAssociatesMemberifrsfullCategoriesOfRelatedPartiesAxis",
      "name": "asx:AmountOfCorrespondingLandHolding",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P11_01_2025To11_30_2025_AsxhcAssociatesMemberifrsfullCategoriesOfRelatedPartiesAxis",
      "name": "asx:AmountOfCorrespondingLandHolding",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R213": {
     "role": "http://www.aseglobal.com/role/RelatedPartyTransactionsScheduleOfLoanToRelatedPartiesDetail",
     "longName": "999207 - Disclosure - Related Party Transactions - Schedule of Loan to Related Parties (Detail)",
     "shortName": "Related Party Transactions - Schedule of Loan to Related Parties (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "213",
     "firstAnchor": {
      "contextRef": "P01_01_2024To12_31_2024",
      "name": "asx:LoanToRelatedParties",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2024To12_31_2024",
      "name": "asx:LoanToRelatedParties",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R214": {
     "role": "http://www.aseglobal.com/role/RelatedPartyTransactionsSummaryOfTransactionsBetweenRelatedPartiesDetail",
     "longName": "999208 - Disclosure - Related Party Transactions - Summary of Transactions Between Related Parties (Detail)",
     "shortName": "Related Party Transactions - Summary of Transactions Between Related Parties (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "214",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:AmountContributedRelatedPartyTransactions",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": null
    },
    "R215": {
     "role": "http://www.aseglobal.com/role/RelatedPartyTransactionsSummaryOfCompensationToKeyManagementPersonnelDetail",
     "longName": "999209 - Disclosure - Related Party Transactions - Summary of Compensation to Key Management Personnel (Detail)",
     "shortName": "Related Party Transactions - Summary of Compensation to Key Management Personnel (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "215",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R216": {
     "role": "http://www.aseglobal.com/role/AssetsPledgedAsCollateralOrForSecuritySummaryOfAssetsPledgedAsCollateralOrForSecurityDetail",
     "longName": "999210 - Disclosure - Assets Pledged as Collateral or for Security - Summary of Assets Pledged as Collateral or for Security (Detail)",
     "shortName": "Assets Pledged as Collateral or for Security - Summary of Assets Pledged as Collateral or for Security (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "216",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:PropertyPlantAndEquipmentPledgedAsSecurity",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:PropertyPlantAndEquipmentPledgedAsSecurity",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R217": {
     "role": "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail",
     "longName": "999211 - Disclosure - Significant Contingent Liabilities and Unrecognized Commitments - Additional Information (Detail)",
     "shortName": "Significant Contingent Liabilities and Unrecognized Commitments - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "217",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:UndrawnBorrowingFacilities",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:UndrawnBorrowingFacilities",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R218": {
     "role": "http://www.aseglobal.com/role/SignificantEventsAfterReportingPeriodAdditionalInformationDetail",
     "longName": "999212 - Disclosure - Significant Events After Reporting Period - Additional Information (Detail)",
     "shortName": "Significant Events After Reporting Period - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "218",
     "firstAnchor": {
      "contextRef": "P03_27_2026To03_27_2026",
      "name": "asx:EmployeesCompensation",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P03_27_2026To03_27_2026",
      "name": "ifrs-full:DirectorsRemunerationExpense",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "ifrs-full:DisclosureOfNonadjustingEventsAfterReportingPeriodExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R219": {
     "role": "http://www.aseglobal.com/role/OthersAdditionalInformationDetail",
     "longName": "999213 - Disclosure - Others - Additional Information (Detail)",
     "shortName": "Others - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "219",
     "firstAnchor": {
      "contextRef": "P07_10_2020To07_10_2020",
      "name": "asx:AmountOfFineImposed",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "asx:DisclosureOfOtherInformationExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P07_10_2020To07_10_2020",
      "name": "asx:AmountOfFineImposed",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "td",
       "tr",
       "table",
       "asx:DisclosureOfOtherInformationExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R220": {
     "role": "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesDetail",
     "longName": "999214 - Disclosure - Significant Assets and Liabilities Denominated in Foreign Currencies - Summary of Significant Assets and Liabilities Denominated in Foreign Currencies (Detail)",
     "shortName": "Significant Assets and Liabilities Denominated in Foreign Currencies - Summary of Significant Assets and Liabilities Denominated in Foreign Currencies (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "220",
     "firstAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:FinancialLiabilities",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "ix:continuation",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025_UsDollarEqualsToNewTaiwanDollarMemberifrsfullTypesOfContractsAxis_USDsrtCurrencyAxis",
      "name": "ifrs-full:FinancialAssets",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "asx:DisclosureOfForeignCurrencyDenominatedMonetaryFinancialAssetsAndLiabilitiesExplanatory",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R221": {
     "role": "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfRealizedAndUnrealizedForeignExchangeGainLossDetail",
     "longName": "999215 - Disclosure - Significant Assets and Liabilities Denominated in Foreign Currencies - Summary of Realized and Unrealized Foreign Exchange Gain (Loss) (Detail)",
     "shortName": "Significant Assets and Liabilities Denominated in Foreign Currencies - Summary of Realized and Unrealized Foreign Exchange Gain (Loss) (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "221",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:RealizedAndUnrealizedForeignExchangeGainLoss",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "asx:RealizedAndUnrealizedForeignExchangeGainLoss",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true,
      "unique": true
     }
    },
    "R222": {
     "role": "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail",
     "longName": "999216 - Disclosure - Operating Segments Information - Summary of Segment Information (Detail)",
     "shortName": "Operating Segments Information - Summary of Segment Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "222",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:Revenue",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfGeographicalAreasExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:InterestExpense",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ifrs-full:DisclosureOfOperatingSegmentsExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R223": {
     "role": "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfRevenueFromMajorProductsAndServicesDetail",
     "longName": "999217 - Disclosure - Operating Segments Information - Summary of Revenue from Major Products and Services (Detail)",
     "shortName": "Operating Segments Information - Summary of Revenue from Major Products and Services (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "223",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:Revenue",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfGeographicalAreasExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_PackagingServiceMemberifrsfullProductsAndServicesAxis",
      "name": "ifrs-full:Revenue",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R224": {
     "role": "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfGeographicalInformationDetail",
     "longName": "999218 - Disclosure - Operating Segments Information - Summary of Geographical Information (Detail)",
     "shortName": "Operating Segments Information - Summary of Geographical Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "224",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:Revenue",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfGeographicalAreasExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "PAsOn12_31_2025",
      "name": "ifrs-full:NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfGeographicalAreasExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    },
    "R225": {
     "role": "http://www.aseglobal.com/role/OperatingSegmentsInformationAdditionalInformationDetail",
     "longName": "999219 - Disclosure - Operating Segments Information - Additional Information (Detail)",
     "shortName": "Operating Segments Information - Additional Information (Detail)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "225",
     "firstAnchor": {
      "contextRef": "P01_01_2025To12_31_2025",
      "name": "ifrs-full:Revenue",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "td",
       "tr",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfGeographicalAreasExplanatory",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "P01_01_2025To12_31_2025_CustomerOneMemberifrsfullMajorCustomersAxis",
      "name": "ifrs-full:Revenue",
      "unitRef": "Unit_TWD",
      "xsiNil": "false",
      "lang": null,
      "decimals": "-3",
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d50802d20f.htm",
      "unique": true
     }
    }
   },
   "tag": {
    "asx_ASEAssemblyAndTestShanghaiLimitedASESHMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEAssemblyAndTestShanghaiLimitedASESHMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A S E Assembly and Test Shanghai Limited A S E S H [Member]",
        "terseLabel": "ASE Assembly &amp; Test (Shanghai) Limited (\"ASESH\") [member]",
        "documentation": "ASE assembly &amp; test (shanghai) limited (\"ASESH\")."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASECorporationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASECorporationMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A S E Corporation [member]",
        "terseLabel": "ASE Corporation [member]",
        "documentation": "ASE Corporation."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASECulturalAndEducationalFoundationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASECulturalAndEducationalFoundationMember",
     "presentation": [
      "http://www.aseglobal.com/role/RelatedPartyTransactionsSummaryOfTransactionsBetweenRelatedPartiesDetail",
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASE Cultural and Educational Foundation [member]",
        "terseLabel": "ASE Cultural and Educational Foundation [member]",
        "documentation": "ASE Cultural and Educational Foundation."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEEMSHMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEEMSHMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASEEMSH [Member]",
        "terseLabel": "ASEEMSH [Member]",
        "documentation": "ASEEMSH."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEElectronicsIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEElectronicsIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A S E Electronics Inc. [member]",
        "terseLabel": "ASE Electronics Inc. [member]",
        "documentation": "ASE Electronics Inc."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEElectronicsMSdnBhdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEElectronicsMSdnBhdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A S E Electronics ( M) Sdn. Bhd. [member]",
        "terseLabel": "ASE Electronics (M) Sdn. Bhd. [member]",
        "documentation": "ASE Electronics (M) Sdn. Bhd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEEnterpriseManagementShanghaiIncASEEMSHMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEEnterpriseManagementShanghaiIncASEEMSHMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A S E Enterprise Management Shanghai Inc A S E E M S H [Member]",
        "terseLabel": "ASE Enterprise Management (Shanghai) Inc. (\"ASEEMSH\") [member]",
        "documentation": "A S E enterprise management shanghai inc A S E E M S H."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEHoldingLimitedInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEHoldingLimitedInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASE Holding Limited Investor [Member]",
        "terseLabel": "A.S.E. Holding Limited [Member]",
        "documentation": "ASE holding limited investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEHoldingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEHoldingMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A S E Holding [Member]",
        "terseLabel": "A.S.E. Holding Limited [Member]",
        "documentation": "ASE holding."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEIncOptionPlansMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEIncOptionPlansMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfAseIncOptionPlansOutstandingShareOptionsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASE Inc Option Plans [member]",
        "terseLabel": "ASE Inc. option plans [member]",
        "documentation": "ASE Inc. option plans."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEInvestmentKunShanLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEInvestmentKunShanLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A S E Investment ( Kun Shan) Limited [member]",
        "terseLabel": "ASE Investment (Kun Shan) Limited [member]",
        "documentation": "ASE Investment (Kun Shan) Limited."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEInvestmentLabuanIncInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEInvestmentLabuanIncInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASE Investment Labuan Inc Investor [Member]",
        "terseLabel": "ASE Investment (Labuan) Inc. [Member]",
        "documentation": "ASE Investment Labuan Inc Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEInvestmentLabuanIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEInvestmentLabuanIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A S E Investment ( Labuan) Inc. [member]",
        "terseLabel": "ASE Investment (Labuan) Inc. [Member]",
        "documentation": "ASE Investment (Labuan) Inc."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEJapanCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEJapanCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A S E Japan Co., Ltd. (\" A S E Japan\") [member]",
        "terseLabel": "ASE Japan Co., Ltd. [member]",
        "documentation": "ASE Japan Co., Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEKoreaIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEKoreaIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A S E Korea Inc [Member]",
        "terseLabel": "ASE (Korea) Inc. [member]",
        "documentation": "ASE (Korea) Inc."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEKoreaInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEKoreaInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASE Korea Investor [Member]",
        "terseLabel": "ASE (Korea) Inc. [Member]",
        "documentation": "ASE Korea Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASELabuanIncInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASELabuanIncInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASE Labuan Inc Investor [Member]",
        "terseLabel": "ASE Labuan Inc. [Member]",
        "documentation": "ASE Labuan Inc Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASELabuanIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASELabuanIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A S E Labuan Inc. [member]",
        "terseLabel": "ASE Labuan Inc. [member]",
        "documentation": "ASE Labuan Inc."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEMTLMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEMTLMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASEMTL [Member]",
        "terseLabel": "ASEMTL [Member]",
        "documentation": "ASEMTL."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEMarketingAndServiceJapanCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEMarketingAndServiceJapanCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASE Marketing &amp; Service Japan Co., Ltd. [member]",
        "terseLabel": "ASE Marketing &amp; Service Japan Co., Ltd. [member]",
        "documentation": "ASE Marketing &amp; Service Japan Co., Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEMauritiusIncInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEMauritiusIncInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASE Mauritius Inc Investor [Member]",
        "terseLabel": "ASE Mauritius Inc. [Member]",
        "documentation": "ASE Mauritius Inc Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEMauritiusIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEMauritiusIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A S E Mauritius Inc. [member]",
        "terseLabel": "ASE Mauritius Inc. [member]",
        "documentation": "ASE Mauritius Inc."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEMember",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A S E [Member]",
        "verboseLabel": "ASE [Member]",
        "documentation": "ASE."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASESHMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASESHMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A S E S H [Member]",
        "terseLabel": "ASESH [Member]",
        "documentation": "ASESH."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEShanghaiIncASEMTLMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEShanghaiIncASEMTLMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A S E Shanghai Inc A S E M T L [Member]",
        "terseLabel": "ASE (Shanghai) Inc. (\"ASEMTL\") [member]",
        "documentation": "ASE Shanghai Inc ASEMTL."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASESingaporePteLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASESingaporePteLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A S E Singapore Pte. Ltd. [member]",
        "terseLabel": "ASE Singapore Pte. Ltd. [member]",
        "documentation": "ASE Singapore Pte. Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASETestHoldingsLtdInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASETestHoldingsLtdInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASE Test Holdings Ltd Investor [Member]",
        "terseLabel": "ASE Test Holdings, Ltd. [Member]",
        "documentation": "ASE Test Holdings Ltd Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASETestHoldingsLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASETestHoldingsLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A S E Test Holdings, Ltd. [member]",
        "terseLabel": "ASE Test Holdings, Ltd. [member]",
        "documentation": "ASE Test Holdings, Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASETestIncInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASETestIncInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASE Test Inc Investor [Member]",
        "verboseLabel": "ASET [Member]",
        "documentation": "ASE test inc investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASETestIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASETestIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfSharesHeldBySubsidiariesDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASE Test, Inc. [member]",
        "terseLabel": "ASE Test, Inc. (\"ASET\") [member]",
        "definitionGuidance": "ASET",
        "documentation": "ASE Test, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASETestLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASETestLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASE Test Limited [member]",
        "verboseLabel": "ASE Test Limited (\"ASE Test\") [Member]",
        "documentation": "ASE Test Limited."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEUSIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEUSIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A S E ( U. S.) Inc. [member]",
        "terseLabel": "ASE (U.S.) Inc. [member]",
        "documentation": "ASE (U.S.) Inc."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ASEmTLInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ASEmTLInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "A S EM T L Investor [Member]",
        "terseLabel": "ASEMTL [Member]",
        "documentation": "ASEMTL."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AccruedCompensationToEmployeesAndRemunerationToDirectorsAndSupervisors": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AccruedCompensationToEmployeesAndRemunerationToDirectorsAndSupervisors",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/OtherPayablesSummaryOfOtherPayablesDetail": {
       "parentTag": "ifrs-full_OtherCurrentPayables",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/OtherPayablesSummaryOfOtherPayablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accrued compensation to employees and remuneration to directors and supervisors",
        "verboseLabel": "Accrued employees' compensation and remuneration to directors",
        "documentation": "Accrued employees' compensation and remuneration to directors and supervisors."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AccruedEmployeeInsurance": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AccruedEmployeeInsurance",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/OtherPayablesSummaryOfOtherPayablesDetail": {
       "parentTag": "ifrs-full_OtherCurrentPayables",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/OtherPayablesSummaryOfOtherPayablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accrued employee insurance",
        "terseLabel": "Accrued employee insurance",
        "documentation": "Accrued employee insurance."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AccruedSalaryAndCompensation": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AccruedSalaryAndCompensation",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/OtherPayablesSummaryOfOtherPayablesDetail": {
       "parentTag": "ifrs-full_OtherCurrentPayables",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/OtherPayablesSummaryOfOtherPayablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accrued salary and compensation",
        "terseLabel": "Accrued salary and bonus",
        "documentation": "Accrued salary and compensation."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AccumulatedDepreciationAmortisationAndImpairmentMember",
     "presentation": [
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accumulated depreciation, amortisation and impairment [member]",
        "terseLabel": "Accumulated depreciation, amortisation and impairment [member]"
       }
      }
     },
     "auth_ref": [
      "r13",
      "r25",
      "r103",
      "r123",
      "r132",
      "r394",
      "r439",
      "r452",
      "r459"
     ]
    },
    "asx_AccumulatedDepreciationsAmortizationAndImpairmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AccumulatedDepreciationsAmortizationAndImpairmentMember",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accumulated Depreciations Amortization And Impairment [Member]",
        "terseLabel": "Accumulated depreciation, amortisation and impairment [member]",
        "definitionGuidance": "Accumulated depreciation and impairment [Member]",
        "documentation": "Accumulated Depreciations Amortization And Impairment."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AccumulatedDepreciationsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AccumulatedDepreciationsMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accumulated Depreciations [Member]",
        "terseLabel": "Accumulated depreciations [member]",
        "documentation": "Accumulated depreciations."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AccumulatedFairValueHedgeAdjustmentOnHedgedItemIncludedInCarryingAmountAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AccumulatedFairValueHedgeAdjustmentOnHedgedItemIncludedInCarryingAmountAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesItemsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accumulated fair value hedge adjustment on hedged item included in carrying amount, assets",
        "terseLabel": "Accumulated Amount\u00a0of\u00a0Fair Value Hedge Adjustments\u00a0on Hedged Item, Asset"
       }
      },
      "en": {
       "role": {
        "documentation": "The accumulated amount of fair value hedge adjustment on a hedged item that is included in the carrying amount of the hedged item, recognised in the statement of financial position as an asset. [Refer: Hedged items [domain]]"
       }
      }
     },
     "auth_ref": [
      "r272",
      "r496"
     ]
    },
    "ifrs-full_AccumulatedFairValueHedgeAdjustmentOnHedgedItemIncludedInCarryingAmountLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AccumulatedFairValueHedgeAdjustmentOnHedgedItemIncludedInCarryingAmountLiabilities",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesItemsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accumulated fair value hedge adjustment on hedged item included in carrying amount, liabilities",
        "terseLabel": "Accumulated Amount\u00a0of\u00a0Fair Value Hedge Adjustments\u00a0on Hedged Item, liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The accumulated amount of fair value hedge adjustment on a hedged item that is included in the carrying amount of the hedged item, recognised in the statement of financial position as a liability. [Refer: Hedged items [domain]]"
       }
      }
     },
     "auth_ref": [
      "r272",
      "r496"
     ]
    },
    "asx_AccumulatedGainLossInOtherEquityContinuingHedges": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AccumulatedGainLossInOtherEquityContinuingHedges",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesItemsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accumulated Gain Loss in Other Equity Continuing Hedges",
        "terseLabel": "Accumulated Gains or Losses in Other Equity, Continuing Hedges",
        "documentation": "Accumulated gain loss in other equity continuing hedges."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AccumulatedImpairmentOfGoodwillMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AccumulatedImpairmentOfGoodwillMember",
     "presentation": [
      "http://www.aseglobal.com/role/GoodwillSummaryOfGoodwillDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accumulated Impairment of Goodwill [Member]",
        "terseLabel": "Accumulated impairment [Member]",
        "documentation": "Accumulated Impairment of Goodwill."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AccumulatorContractsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AccumulatorContractsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Accumulator Contracts [Member]",
        "terseLabel": "Accumulator contracts [member]",
        "documentation": "Accumulator contracts."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AcquireeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AcquireeAxis",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Acquiree [Axis]",
        "documentation": "Acquiree axis."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AcquireeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AcquireeDomain",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Acquiree [Domain]",
        "documentation": "Acquiree domain."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AcquisitionThroughBusinessCombinationsFairValueMeasurementAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AcquisitionThroughBusinessCombinationsFairValueMeasurementAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Acquisition Through Business Combinations Fair Value Measurement Assets",
        "terseLabel": "Acquisition through business combinations",
        "documentation": "Acquisition through business combinations fair value measurement assets."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AcquisitiondateFairValueOfTotalConsiderationTransferred",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfGoodwillRecognizedOnAcquisitionsDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfSubsidiaryAcquiredDetail",
      "http://www.aseglobal.com/role/SignificantEventsAfterReportingPeriodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Consideration transferred, acquisition-date fair value",
        "positiveTerseLabel": "Total consideration",
        "verboseLabel": "Consideration transferred, acquisition-date fair value"
       }
      },
      "en": {
       "role": {
        "documentation": "The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r251",
      "r476"
     ]
    },
    "ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AcquisitiondateFairValueOfTotalConsiderationTransferredAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Acquisition-date fair value of total consideration transferred [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AcquisitionsThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Acquisitions through business combinations, intangible assets other than goodwill",
        "verboseLabel": "Acquisitions through business combinations (Note 29)"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase in intangible assets other than goodwill resulting from acquisitions through business combinations. [Refer: Total for all business combinations [member]; Intangible assets other than goodwill]"
       }
      }
     },
     "auth_ref": [
      "r104",
      "r440"
     ]
    },
    "ifrs-full_AcquisitionsThroughBusinessCombinationsInvestmentProperty": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AcquisitionsThroughBusinessCombinationsInvestmentProperty",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Acquisitions through business combinations, investment property",
        "terseLabel": "Additions"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase in investment property resulting from acquisitions through business combinations. [Refer: Total for all business combinations [member]; Investment property]"
       }
      }
     },
     "auth_ref": [
      "r117",
      "r124",
      "r447",
      "r453"
     ]
    },
    "ifrs-full_AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Acquisitions through business combinations, property, plant and equipment",
        "terseLabel": "Acquisitions through business combinations"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase in property, plant and equipment resulting from acquisitions through business combinations. [Refer: Total for all business combinations [member]; Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r16",
      "r397"
     ]
    },
    "ifrs-full_ActuarialAssumptionOfDiscountRates": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ActuarialAssumptionOfDiscountRates",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfKeyAssumptionsUsedForTheActuarialValuationsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Actuarial assumption of discount rates",
        "terseLabel": "Discount rates"
       }
      },
      "en": {
       "role": {
        "documentation": "The discount rate used as the significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit obligation, at present value; Actuarial assumptions [domain]]"
       }
      }
     },
     "auth_ref": [
      "r820"
     ]
    },
    "ifrs-full_ActuarialAssumptionOfDiscountRatesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ActuarialAssumptionOfDiscountRatesMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfSensitivityAnalysisOnDefinedObligationsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Actuarial assumption of discount rates [member]",
        "terseLabel": "Actuarial assumption of discount rates [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the discount rates used as actuarial assumptions. [Refer: Actuarial assumptions [domain]]"
       }
      }
     },
     "auth_ref": [
      "r821"
     ]
    },
    "ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreases": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ActuarialAssumptionOfExpectedRatesOfSalaryIncreases",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfKeyAssumptionsUsedForTheActuarialValuationsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Actuarial assumption of expected rates of salary increases",
        "terseLabel": "Expected rates of salary increase"
       }
      },
      "en": {
       "role": {
        "documentation": "The expected rate of salary increases used as a significant actuarial assumption to determine the present value of a defined benefit obligation. [Refer: Defined benefit plans [domain]; Defined benefit obligation, at present value; Actuarial assumptions [domain]]"
       }
      }
     },
     "auth_ref": [
      "r820"
     ]
    },
    "ifrs-full_ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfSensitivityAnalysisOnDefinedObligationsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Actuarial assumption of expected rates of salary increases [member]",
        "terseLabel": "Actuarial assumption of expected rates of salary increases [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the expected rates of salary increases used as actuarial assumptions. [Refer: Actuarial assumptions [domain]]"
       }
      }
     },
     "auth_ref": [
      "r821"
     ]
    },
    "ifrs-full_ActuarialAssumptionsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ActuarialAssumptionsAxis",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfSensitivityAnalysisOnDefinedObligationsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Actuarial assumptions [axis]",
        "terseLabel": "Actuarial assumptions [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r43"
     ]
    },
    "ifrs-full_ActuarialAssumptionsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ActuarialAssumptionsDomain",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfSensitivityAnalysisOnDefinedObligationsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Actuarial assumptions [domain]",
        "terseLabel": "Actuarial assumptions [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all actuarial assumptions. Actuarial assumptions are the entity\u2019s unbiased and mutually compatible best estimates of the demographic and financial variables that will determine the ultimate cost of providing post-employment benefits. It also represents the standard value for the 'Actuarial assumptions' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r43"
     ]
    },
    "ifrs-full_ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Actuarial gains (losses) arising from changes in demographic assumptions, net defined benefit liability (asset)",
        "negatedLabel": "Changes in demographic assumptions"
       }
      },
      "en": {
       "role": {
        "documentation": "The decrease (increase) in a net defined benefit liability (asset) resulting from actuarial gains (losses) arising from changes in demographic assumptions that result in remeasurements of the net defined benefit liability (asset). Demographic assumptions deal with matters such as: (a) mortality; (b) rates of employee turnover, disability and early retirement; (c) the proportion of plan members with dependants who will be eligible for benefits; (d) the proportion of plan members who will select each form of payment option available under the plan terms; and (e) claim rates under medical plans. [Refer: Net defined benefit liability (asset)]"
       }
      }
     },
     "auth_ref": [
      "r34"
     ]
    },
    "ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Actuarial gains (losses) arising from changes in financial assumptions, net defined benefit liability (asset)",
        "negatedLabel": "Changes in financial assumptions"
       }
      },
      "en": {
       "role": {
        "documentation": "The decrease (increase) in a net defined benefit liability (asset) resulting from actuarial gains (losses) arising from changes in financial assumptions that result in remeasurements of the net defined benefit liability (asset). Financial assumptions deal with items such as: (a) the discount rate; (b) benefit levels, excluding any cost of the benefits to be met by employees, and future salary; (c) in the case of medical benefits, future medical costs, including claim handling costs (ie the costs that will be incurred in processing and resolving claims, including legal and adjuster's fees); and (d) taxes payable by the plan on contributions relating to service before the reporting date or on benefits resulting from that service. [Refer: Net defined benefit liability (asset)]"
       }
      }
     },
     "auth_ref": [
      "r35"
     ]
    },
    "asx_ActuarialGainsLossesArisingFromExperienceAdjustments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ActuarialGainsLossesArisingFromExperienceAdjustments",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Actuarial Gains Losses Arising From Experience Adjustments",
        "negatedLabel": "Experience adjustments",
        "documentation": "Actuarial gains losses arising from experience adjustments."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ActuarialPresentValueOfPromisedRetirementBenefits": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ActuarialPresentValueOfPromisedRetirementBenefits",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMaturityAnalysisOfUndiscountedPensionBenefitDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Actuarial present value of promised retirement benefits",
        "terseLabel": "Maturity analysis of undiscounted pension benefit"
       }
      },
      "en": {
       "role": {
        "documentation": "The present value of the expected payments by a retirement benefit plan to existing and past employees, attributable to the service already rendered."
       }
      }
     },
     "auth_ref": [
      "r74"
     ]
    },
    "ecd_Additional402vDisclosureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "Additional402vDisclosureTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additional 402(v) Disclosure [Text Block]",
        "terseLabel": "Additional 402(v) Disclosure"
       }
      }
     },
     "auth_ref": [
      "r748"
     ]
    },
    "ifrs-full_AdditionalRecognitionGoodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdditionalRecognitionGoodwill",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/GoodwillSummaryOfGoodwillDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additional recognition, goodwill",
        "terseLabel": "Acquisitions through business combinations"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of additional goodwill recognised, except goodwill included in a disposal group that, on acquisition, meets the criteria to be classified as held for sale in accordance with IFRS 5. [Refer: Goodwill; Disposal groups classified as held for sale [member]]"
       }
      }
     },
     "auth_ref": [
      "r257",
      "r479"
     ]
    },
    "ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfNonCashActivitiesDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additions other than through business combinations, property, plant and equipment",
        "terseLabel": "Additions",
        "verboseLabel": "Purchase of property, plant and equipment"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Total for all business combinations [member]; Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r14",
      "r395"
     ]
    },
    "ifrs-full_AdditionsToNoncurrentAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdditionsToNoncurrentAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additions to non-current assets other than financial instruments, deferred tax assets, net defined benefit assets, and rights arising under insurance contracts",
        "terseLabel": "Expenditures for segment assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of additions to non-current assets other than financial instruments, deferred tax assets, net defined benefit assets and rights arising under insurance contracts. [Refer: Deferred tax assets; Classes of financial instruments [domain]; Non-current assets]"
       }
      }
     },
     "auth_ref": [
      "r314",
      "r319"
     ]
    },
    "ifrs-full_AdditionsToRightofuseAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdditionsToRightofuseAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfRightOfUseAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Additions to right-of-use assets",
        "terseLabel": "Additions to right-of-use assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of additions to right-of-use assets. [Refer: Right-of-use assets]"
       }
      }
     },
     "auth_ref": [
      "r213",
      "r341"
     ]
    },
    "dei_AddressTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "AddressTypeDomain",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Address Type [Domain]",
        "documentation": "An entity may have several addresses for different purposes and this domain represents all such types."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_AdjToCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AdjToCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustment to Compensation Amount",
        "terseLabel": "Adjustment to Compensation, Amount"
       }
      }
     },
     "auth_ref": [
      "r761"
     ]
    },
    "ecd_AdjToCompAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AdjToCompAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustment to Compensation [Axis]",
        "terseLabel": "Adjustment to Compensation:"
       }
      }
     },
     "auth_ref": [
      "r761"
     ]
    },
    "ecd_AdjToNonPeoNeoCompFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AdjToNonPeoNeoCompFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustment to Non-PEO NEO Compensation Footnote [Text Block]",
        "terseLabel": "Adjustment to Non-PEO NEO Compensation Footnote"
       }
      }
     },
     "auth_ref": [
      "r761"
     ]
    },
    "ecd_AdjToPeoCompFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AdjToPeoCompFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustment To PEO Compensation, Footnote [Text Block]",
        "terseLabel": "Adjustment To PEO Compensation, Footnote"
       }
      }
     },
     "auth_ref": [
      "r761"
     ]
    },
    "ifrs-full_AdjustedWeightedAverageShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustedWeightedAverageShares",
     "presentation": [
      "http://www.aseglobal.com/role/EarningsPerShareSummaryOfEarningsAndWeightedAverageNumberOfOrdinarySharesOutstandingInComputationOfEarningsPerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjusted weighted average number of ordinary shares outstanding",
        "terseLabel": "Weighted average number of ordinary shares in the computation of diluted earnings per share"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r86"
     ]
    },
    "asx_AdjustmentsAndEliminationsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AdjustmentsAndEliminationsMember",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments And Eliminations [member]",
        "terseLabel": "Adjustments and Eliminations [member]",
        "documentation": "Adjustments and eliminations."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AdjustmentsForCurrentTaxOfPriorPeriod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForCurrentTaxOfPriorPeriod",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for current tax of prior periods",
        "terseLabel": "Changes in estimate for prior years"
       }
      }
     },
     "auth_ref": [
      "r606",
      "r677"
     ]
    },
    "ifrs-full_AdjustmentsForDecreaseIncreaseInContractAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForDecreaseIncreaseInContractAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 51.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for decrease (increase) in contract assets",
        "terseLabel": "Contract assets"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for the decrease (increase) in contract assets to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Contract assets; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r833"
     ]
    },
    "ifrs-full_AdjustmentsForDecreaseIncreaseInInventories": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForDecreaseIncreaseInInventories",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 54.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for decrease (increase) in inventories",
        "verboseLabel": "Inventories"
       }
      }
     },
     "auth_ref": [
      "r833"
     ]
    },
    "ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForDecreaseIncreaseInOtherAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 63.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for decrease (increase) in other assets",
        "terseLabel": "Other operating assets"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for decrease (increase) in other assets to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Other assets; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r836"
     ]
    },
    "ifrs-full_AdjustmentsForDecreaseIncreaseInOtherCurrentAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForDecreaseIncreaseInOtherCurrentAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 55.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for decrease (increase) in other current assets",
        "terseLabel": "Other current assets"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for decrease (increase) in other current assets to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Other current assets; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r836"
     ]
    },
    "ifrs-full_AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 53.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for decrease (increase) in other operating receivables",
        "terseLabel": "Other receivables"
       }
      }
     },
     "auth_ref": [
      "r833"
     ]
    },
    "ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForDecreaseIncreaseInTradeAccountReceivable",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 52.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for decrease (increase) in trade accounts receivable",
        "terseLabel": "Trade receivables",
        "verboseLabel": "Net increase (decrease) in trade receivables"
       }
      }
     },
     "auth_ref": [
      "r833"
     ]
    },
    "ifrs-full_AdjustmentsForDeferredTaxOfPriorPeriods": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForDeferredTaxOfPriorPeriods",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss",
       "weight": 1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for deferred tax of prior periods",
        "terseLabel": "Changes in estimate for prior years"
       }
      }
     },
     "auth_ref": [
      "r811"
     ]
    },
    "ifrs-full_AdjustmentsForFairValueGainsLosses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForFairValueGainsLosses",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 40.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for fair value losses (gains)",
        "terseLabel": "Net gain on fair value change of financial assets and liabilities at fair value through profit or loss"
       }
      }
     },
     "auth_ref": [
      "r834"
     ]
    },
    "ifrs-full_AdjustmentsForFinanceCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForFinanceCosts",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 41.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for finance costs",
        "terseLabel": "Finance costs"
       }
      }
     },
     "auth_ref": [
      "r835"
     ]
    },
    "ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherGainsAndLossesDetail": {
       "parentTag": "ifrs-full_OtherGainsLosses",
       "weight": 1.0,
       "order": 2.0
      },
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0,
       "order": 62.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherGainsAndLossesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for gain (loss) on disposal of investments in subsidiaries, joint ventures and associates",
        "negatedLabel": "Gain on disposal of subsidiary",
        "terseLabel": "Gain on disposal of subsidiary (Note 30)"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for gain (loss) on disposals investments in subsidiaries, joint ventures and associates to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Total for all associates [member]; Total for all joint ventures [member]; Total for all subsidiaries [member]; Investments in subsidiaries, joint ventures and associates reported in separate financial statements; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r836"
     ]
    },
    "ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0,
       "order": 45.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for gain (loss) on disposals, property, plant and equipment",
        "negatedLabel": "Gain on disposal of property, plant and equipment"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for gain (loss) on disposals of property, plant and equipment to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss); Property, plant and equipment; Disposals, property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r836"
     ]
    },
    "ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 46.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss",
        "terseLabel": "Impairment loss recognized on financial assets"
       }
      }
     },
     "auth_ref": [
      "r834"
     ]
    },
    "ifrs-full_AdjustmentsForIncreaseDecreaseInFinancialLiabilitiesHeldForTrading": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForIncreaseDecreaseInFinancialLiabilitiesHeldForTrading",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 56.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for increase (decrease) in financial liabilities held for trading",
        "terseLabel": "Financial liabilities held for trading"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for increase (decrease) in financial liabilities held for trading to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Financial liabilities; Financial liabilities at fair value through profit or loss that meet definition of held for trading; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r836"
     ]
    },
    "asx_AdjustmentsForIncreaseDecreaseInOtherCurrentAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AdjustmentsForIncreaseDecreaseInOtherCurrentAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfNonCashActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments For Increase Decrease In Other Current Assets",
        "verboseLabel": "Decrease in other current assets",
        "documentation": "Adjustment for increase decrease in other current assets."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 59.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for increase (decrease) in other current liabilities",
        "terseLabel": "Other current liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for increase (decrease) in other current liabilities to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Other current liabilities; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r836"
     ]
    },
    "asx_AdjustmentsForIncreaseDecreaseInOtherFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AdjustmentsForIncreaseDecreaseInOtherFinancialAssets",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0,
       "order": 67.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for increase decrease in other financial assets",
        "negatedLabel": "Other financial assets",
        "documentation": "Adjustments for increase decrease in other financial assets."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AdjustmentsForIncreaseDecreaseInOtherFinancialAssetsMandatorilyMeasuredAtFairValueThroughProfitAndLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AdjustmentsForIncreaseDecreaseInOtherFinancialAssetsMandatorilyMeasuredAtFairValueThroughProfitAndLoss",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 50.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for increase decrease in other financial assets mandatorily measured at fair value through profit and loss",
        "terseLabel": "Financial assets mandatorily classified as at fair value through profit or loss",
        "documentation": "Adjustments for increase decrease in other financial assets mandatorily measured at fair value through profit and loss."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForIncreaseDecreaseInOtherLiabilities",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 60.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for increase (decrease) in other liabilities",
        "terseLabel": "Other operating liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for increase (decrease) in other liabilities to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Other liabilities; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r836"
     ]
    },
    "ifrs-full_AdjustmentsForIncreaseDecreaseInOtherOperatingPayables": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForIncreaseDecreaseInOtherOperatingPayables",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 58.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for increase (decrease) in other operating payables",
        "terseLabel": "Other payables"
       }
      }
     },
     "auth_ref": [
      "r833"
     ]
    },
    "ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForIncreaseDecreaseInTradeAccountPayable",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 57.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for increase (decrease) in trade accounts payable",
        "terseLabel": "Trade payables"
       }
      }
     },
     "auth_ref": [
      "r833"
     ]
    },
    "ifrs-full_AdjustmentsForReconcileProfitLossAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForReconcileProfitLossAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments to reconcile profit (loss) [abstract]",
        "terseLabel": "Adjustments for:"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AdjustmentsForSharebasedPayments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForSharebasedPayments",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 64.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for share-based payments",
        "terseLabel": "Share-based compensations"
       }
      }
     },
     "auth_ref": [
      "r834"
     ]
    },
    "ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForUnrealisedForeignExchangeLossesGains",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 48.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Adjustments for unrealised foreign exchange losses (gains)",
        "terseLabel": "Net loss (gain) on foreign currency exchange"
       }
      }
     },
     "auth_ref": [
      "r632",
      "r834"
     ]
    },
    "asx_AdvancedMicroelectronicProductsIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AdvancedMicroelectronicProductsIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Advanced Microelectronic Products Inc [member]",
        "presentationGuidance": "Advanced Microelectronic Products Inc. (\"AMPI\") [member]",
        "documentation": "Advanced Microelectronic Products Inc."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AdvancedSemiconductorEngineeringChinaLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AdvancedSemiconductorEngineeringChinaLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Advanced Semiconductor Engineering ( China) Ltd. [member]",
        "terseLabel": "Advanced Semiconductor Engineering (China) Ltd. [member]",
        "documentation": "Advanced Semiconductor Engineering (China) Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AdvancedSemiconductorEngineeringHKLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AdvancedSemiconductorEngineeringHKLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Advanced Semiconductor Engineering ( H K) Limited [member]",
        "terseLabel": "Advanced Semiconductor Engineering (HK) Limited [member]",
        "documentation": "Advanced Semiconductor Engineering (HK) Limited."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AdvancedSemiconductorEngineeringIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AdvancedSemiconductorEngineeringIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfSharesHeldBySubsidiariesDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Advanced semiconductor engineering inc [member]",
        "terseLabel": "ASE [member]",
        "documentation": "Advanced Semiconductor Engineering, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AferhTunisieMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AferhTunisieMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "AFERH TUNISIE [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AggregateConsiderationTransferredToAssociates": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AggregateConsiderationTransferredToAssociates",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregate Consideration Transferred To Associates",
        "documentation": "Aggregate consideration transferred to associates."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AggregatedIndividuallyImmaterialAssociatesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AggregatedIndividuallyImmaterialAssociatesMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfAssociatesThatAreNotIndividuallyMaterialDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregated individually immaterial associates [member]",
        "terseLabel": "Associates that are not individually material [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the aggregation of associates that are individually immaterial. [Refer: Total for all associates [member]]"
       }
      }
     },
     "auth_ref": [
      "r171"
     ]
    },
    "ifrs-full_AggregatedIndividuallyImmaterialBusinessCombinationsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AggregatedIndividuallyImmaterialBusinessCombinationsMember",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregated individually immaterial business combinations [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the aggregation of business combinations that are individually immaterial. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r256"
     ]
    },
    "ifrs-full_AggregatedIndividuallyImmaterialJointVenturesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AggregatedIndividuallyImmaterialJointVenturesMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfTheJointVentureThatIsNotIndividuallyMaterialDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregated individually immaterial joint ventures [member]",
        "terseLabel": "Joint venture that is not individually material [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the aggregation of joint ventures that are individually immaterial. [Refer: Total for all joint ventures [member]]"
       }
      }
     },
     "auth_ref": [
      "r170"
     ]
    },
    "ecd_AggtChngPnsnValInSummryCompstnTblForAplblYrMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AggtChngPnsnValInSummryCompstnTblForAplblYrMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member]",
        "terseLabel": "Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table"
       }
      }
     },
     "auth_ref": [
      "r806"
     ]
    },
    "ecd_AggtErrCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AggtErrCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregate Erroneous Compensation Amount",
        "terseLabel": "Aggregate Erroneous Compensation Amount"
       }
      }
     },
     "auth_ref": [
      "r719",
      "r730",
      "r740",
      "r773"
     ]
    },
    "ecd_AggtErrCompNotYetDeterminedTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AggtErrCompNotYetDeterminedTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregate Erroneous Compensation Not Yet Determined [Text Block]",
        "terseLabel": "Aggregate Erroneous Compensation Not Yet Determined"
       }
      }
     },
     "auth_ref": [
      "r722",
      "r733",
      "r743",
      "r776"
     ]
    },
    "ecd_AggtPnsnAdjsSvcCstMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AggtPnsnAdjsSvcCstMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregate Pension Adjustments Service Cost [Member]",
        "terseLabel": "Aggregate Pension Adjustments Service Cost"
       }
      }
     },
     "auth_ref": [
      "r807"
     ]
    },
    "ecd_AllAdjToCompMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AllAdjToCompMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "All Adjustments to Compensation [Member]",
        "terseLabel": "All Adjustments to Compensation"
       }
      }
     },
     "auth_ref": [
      "r761"
     ]
    },
    "currency_AllCurrenciesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/currency/2025",
     "localname": "AllCurrenciesDomain",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfRealizedAndUnrealizedForeignExchangeGainLossDetail",
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "All Currencies [Domain]",
        "terseLabel": "All Currencies [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_AllExecutiveCategoriesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AllExecutiveCategoriesMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "All Executive Categories [Member]",
        "terseLabel": "All Executive Categories"
       }
      }
     },
     "auth_ref": [
      "r768"
     ]
    },
    "ecd_AllIndividualsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AllIndividualsMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure",
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure",
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements",
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "All Individuals [Member]",
        "terseLabel": "All Individuals"
       }
      }
     },
     "auth_ref": [
      "r723",
      "r734",
      "r744",
      "r768",
      "r777",
      "r781",
      "r789"
     ]
    },
    "ifrs-full_AllOtherSegmentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AllOtherSegmentsMember",
     "presentation": [
      "http://www.aseglobal.com/role/GoodwillSummaryOfCarryingAmountsOfGoodwillAllocatedToCashGeneratingUnitsDetail",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "All other segments [member]",
        "terseLabel": "All other segments [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for business activities and operating segments that are not reportable."
       }
      }
     },
     "auth_ref": [
      "r201",
      "r305",
      "r332"
     ]
    },
    "ecd_AllTradingArrangementsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AllTradingArrangementsMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "All Trading Arrangements [Member]",
        "terseLabel": "All Trading Arrangements"
       }
      }
     },
     "auth_ref": [
      "r787"
     ]
    },
    "ifrs-full_AllowanceForCreditLossesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AllowanceForCreditLossesMember",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfTradeReceivablesNetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Allowance for credit losses [member]",
        "terseLabel": "Allowance for doubtful debts [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for an allowance account used to record impairments to financial assets due to credit losses."
       }
      }
     },
     "auth_ref": [
      "r813"
     ]
    },
    "asx_AllowanceForCreditLossesOnFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AllowanceForCreditLossesOnFinancialAssets",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail": {
       "parentTag": "ifrs-full_CurrentFinancialAssetsAtAmortisedCost",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfMovementsOfLossAllowanceOfTradeReceivablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Allowance For Credit Losses On Financial Assets",
        "negatedLabel": "Loss allowance (Lifetime ECLs)",
        "periodStartLabel": "Beginning balance",
        "periodEndLabel": "Ending balance",
        "documentation": "Allowance for credit losses on financial assets."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AltoEnterprisesLimitedInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AltoEnterprisesLimitedInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Alto Enterprises Limited Investor [Member]",
        "terseLabel": "Alto Enterprises Limited [Member]",
        "documentation": "Alto enterprises limited investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AltoEnterprisesLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AltoEnterprisesLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Alto Enterprises Limited [member]",
        "terseLabel": "Alto Enterprises Limited [member]",
        "documentation": "Alto Enterprises Limited."
       }
      }
     },
     "auth_ref": []
    },
    "dei_AmendmentFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "AmendmentFlag",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amendment Flag",
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AmericanDepositarySharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AmericanDepositarySharesMember",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "American depositary shares [member]",
        "terseLabel": "American depositary shares [member]",
        "documentation": "American Depositary Shares."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AmericanDepositorySharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AmericanDepositorySharesMember",
     "presentation": [
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "American depository shares [member]",
        "terseLabel": "American depository shares (ADs) [member]",
        "documentation": "American depository shares."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AmortisationIntangibleAssetsOtherThanGoodwill",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfDepreciationAndAmortizationDetail": {
       "parentTag": "ifrs-full_DepreciationAndAmortisationExpense",
       "weight": 1.0,
       "order": 3.0
      },
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 39.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfDepreciationAndAmortizationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amortisation, intangible assets other than goodwill",
        "terseLabel": "Amortization expense",
        "verboseLabel": "Intangible assets amortization"
       }
      }
     },
     "auth_ref": [
      "r106",
      "r442"
     ]
    },
    "ifrs-full_AmortisationMethodIntangibleAssetsOtherThanGoodwill": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AmortisationMethodIntangibleAssetsOtherThanGoodwill",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfOtherIntangibleAssetsUsefulLivesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amortisation method, intangible assets other than goodwill",
        "terseLabel": "Other intangible assets useful lives"
       }
      }
     },
     "auth_ref": [
      "r102",
      "r438"
     ]
    },
    "asx_AmountContributedRelatedPartyTransactions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AmountContributedRelatedPartyTransactions",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/RelatedPartyTransactionsSummaryOfTransactionsBetweenRelatedPartiesDetail",
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amount contributed related party transactions",
        "definitionGuidance": "Amount contributed related party transactions",
        "verboseLabel": "Amount contributed related party transactions",
        "documentation": "Amount contributed related party transactions."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AmountGrantedByBanksForTheFactoringAgreement": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AmountGrantedByBanksForTheFactoringAgreement",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amount Granted By Banks For The Factoring Agreement",
        "terseLabel": "Amount granted by banks for the factoring agreement",
        "documentation": "Amount granted by banks for the factoring agreement."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AmountOfBankLoanSettled": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AmountOfBankLoanSettled",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amount Of Bank Loan Settled",
        "terseLabel": "Amount of bank loan repaid",
        "documentation": "Amount of bank loan settled."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AmountOfCorrespondingLandHolding": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AmountOfCorrespondingLandHolding",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amount Of Corresponding Land Holding",
        "terseLabel": "Amount of corresponding land holding",
        "documentation": "Amount of corresponding land holding."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AmountOfFineImposed": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AmountOfFineImposed",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amount Of Fine Imposed",
        "terseLabel": "Administrative fine imposed",
        "documentation": "Amount of fine imposed."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AmountOfUnclaimedDividends": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AmountOfUnclaimedDividends",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail": {
       "parentTag": "asx_SharePremiumMayBeUsedToOffsetDeficitOnly",
       "weight": 1.0,
       "order": 12.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amount of unclaimed dividends",
        "terseLabel": "Dividends that the claim period has elapsed and unclaimed by shareholders",
        "documentation": "Amount of unclaimed dividends."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AmountPaidToRelatedPartyForPlantAcquisition": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AmountPaidToRelatedPartyForPlantAcquisition",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amount Paid To Related Party For Plant Acquisition",
        "terseLabel": "Amount paid to related party for plant acquisition",
        "documentation": "Amount paid to related party for plant acquisition."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AmountsIncludedInTheCostOfQualifyingAssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AmountsIncludedInTheCostOfQualifyingAssetsAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfFinanceCostsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amounts included in the cost of qualifying assets [abstract]",
        "terseLabel": "Less: Amounts included in the cost of qualifying assets",
        "documentation": "Amounts included in the cost of qualifying assets."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AmpiMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AmpiMember",
     "presentation": [
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "AMPI [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AmpiOptionPlansMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AmpiOptionPlansMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfUsishSOutstandingShareOptionsBalanceSheetDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "AMPI Option Plans [Member]",
        "documentation": "AMPI option plans."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AmpleTradingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AmpleTradingMember",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ample Trading [member]",
        "documentation": "Ample trading."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AnalogDevicesSdnBhdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AnalogDevicesSdnBhdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantEventsAfterReportingPeriodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Analog Devices Sdn Bhd [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AnalysisOfIncomeAndExpenseAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AnalysisOfIncomeAndExpenseAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Analysis of income and expense [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AnalysisOfIncomeAndExpenseLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AnalysisOfIncomeAndExpenseLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfDepreciationAndAmortizationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeeBenefitsExpenseDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeesCompensationAndRemunerationToDirectorsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Analysis Of Income And Expense [line items]",
        "terseLabel": "Analysis of income and expense [Line Items]",
        "documentation": "Analysis of income and expense."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AnalysisOfIncomeAndExpenseTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AnalysisOfIncomeAndExpenseTable",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfDepreciationAndAmortizationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeeBenefitsExpenseDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeesCompensationAndRemunerationToDirectorsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Analysis Of Income And Expense [table]",
        "terseLabel": "Analysis Of Income And Expense [table]",
        "documentation": "Analysis Of Income And Expense [table]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AppropriationsOfPriorYearsEarningsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AppropriationsOfPriorYearsEarningsAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Appropriations Of Prior Years Earnings [abstract]",
        "terseLabel": "Appropriation of earnings",
        "documentation": "Appropriations of prior years earnings."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ApprovedContributionsMadeInConsiderationOfCorporateSocialResponsibilityForEnvironmentalProtection": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ApprovedContributionsMadeInConsiderationOfCorporateSocialResponsibilityForEnvironmentalProtection",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Approved Contributions Made In Consideration Of Corporate Social Responsibility For Environmental Protection",
        "terseLabel": "Approved contribution in consideration of corporate social responsibility for environmental protection",
        "documentation": "Approved contribution in consideration of corporate social responsibility for environmental protection."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AseCheonanInccheMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AseCheonanInccheMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASE Cheonan, Inc. (CHE) [Member]",
        "terseLabel": "ASE Cheonan, Inc. (\"CHE\") [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AseCorporationInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AseCorporationInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASE Corporation Investor [Member]",
        "terseLabel": "ASE Corporation [Member]",
        "documentation": "ASE Corporation Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AseEnvironmentalProtectionAndSustainabilityFoundationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AseEnvironmentalProtectionAndSustainabilityFoundationMember",
     "presentation": [
      "http://www.aseglobal.com/role/RelatedPartyTransactionsSummaryOfTransactionsBetweenRelatedPartiesDetail",
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASE Environmental Protection And Sustainability Foundation [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AseGlobalIntegratedSolutionsCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AseGlobalIntegratedSolutionsCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASE Global Integrated Solutions Co Ltd [Member]",
        "terseLabel": "ASE Global Integrated Solutions Co., Ltd. [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AseSocialEnterpriseCo.LtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AseSocialEnterpriseCo.LtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASE Social Enterprise Co., Ltd [Member]",
        "verboseLabel": "ASE Social Enterprise Co., Ltd. (\"ASE SOCIAL\") [member]",
        "documentation": "ASE social enterprise co., ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AseSocialMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AseSocialMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASE SOCIAL [Member]",
        "terseLabel": "ASE SOCIAL [Member]",
        "documentation": "Ase social."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AseTestMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AseTestMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASE Test [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AseemshInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AseemshInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASEEMSH Investor [Member]",
        "terseLabel": "ASEEMSH [Member]",
        "documentation": "ASEEMSH Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsepCaymanLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsepCaymanLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASEP Cayman Ltd. [Member]",
        "terseLabel": "ASEP Cayman Ltd. (\"ASEPCAYMAN\") [member]",
        "documentation": "ASEP Cayman Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsepcaymanMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsepcaymanMember",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfConsiderationTransferredInBusinessCombinationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfGoodwillRecognizedOnAcquisitionsDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfImpactOfAcquisitionsByComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfNetCashOutflowOnAcquisitionOfSubsidiaryDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfSubsidiaryAcquiredDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASEPCAYMAN [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "srt_AsiaMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "AsiaMember",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfGeographicalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Asia [Member]",
        "terseLabel": "Asia [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_Assets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Assets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets",
        "totalLabel": "Total assets",
        "periodStartLabel": "Beginning Balance",
        "periodEndLabel": "Ending Balance"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of a present economic resource controlled by the entity as a result of past events. Economic resource is a right that has the potential to produce economic benefits."
       }
      }
     },
     "auth_ref": [
      "r191",
      "r192",
      "r197",
      "r312",
      "r317",
      "r515",
      "r516",
      "r567"
     ]
    },
    "ifrs-full_AssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AssetsAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets [abstract]",
        "terseLabel": "ASSETS"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AssetsAndLiabilitiesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AssetsAndLiabilitiesAxis",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedInvestmentCreditsDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfAnnualInterestRatesOfCapitalizedBorrowingCostsDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets and liabilities [axis]",
        "terseLabel": "Assets and liabilities [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r58",
      "r381",
      "r419",
      "r530",
      "r548"
     ]
    },
    "ifrs-full_AssetsAndLiabilitiesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AssetsAndLiabilitiesDomain",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedInvestmentCreditsDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfAnnualInterestRatesOfCapitalizedBorrowingCostsDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets and liabilities [domain]",
        "terseLabel": "Assets and liabilities [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for assets and liabilities. It also represents the standard value for the 'Assets and liabilities' axis if no other member is used. [Refer: Assets; Liabilities]"
       }
      }
     },
     "auth_ref": [
      "r58",
      "r381",
      "r419",
      "r530",
      "r548"
     ]
    },
    "ifrs-full_AssetsHeldAsCollateralPermittedToBeSoldOrRepledgedAtFairValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AssetsHeldAsCollateralPermittedToBeSoldOrRepledgedAtFairValue",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/AssetsPledgedAsCollateralOrForSecuritySummaryOfAssetsPledgedAsCollateralOrForSecurityDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/AssetsPledgedAsCollateralOrForSecuritySummaryOfAssetsPledgedAsCollateralOrForSecurityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Collateral held permitted to be sold or repledged in absence of default by owner of collateral, at fair value",
        "totalLabel": "Total"
       }
      },
      "en": {
       "role": {
        "documentation": "The fair value of collateral held that is permitted to be sold or repledged in the absence of default by the owner of the collateral. [Refer: At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r266"
     ]
    },
    "ifrs-full_AssetsOtherThanCashOrCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AssetsOtherThanCashOrCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfGainOnDisposalOfSubsidiaryDetail": {
       "parentTag": "asx_GainOnDisposalOfSubsidiaries",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfGainOnDisposalOfSubsidiaryDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets other than cash or cash equivalents in subsidiary or businesses acquired or disposed",
        "terseLabel": "Net assets disposed of",
        "negatedLabel": "Net assets disposed of"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of assets, other than cash or cash equivalents, in subsidiaries or other businesses over which control is obtained or lost. [Refer: Total for all subsidiaries [member]]"
       }
      }
     },
     "auth_ref": [
      "r142"
     ]
    },
    "asx_AssetsPledgedAsCollateralOrForSecurityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AssetsPledgedAsCollateralOrForSecurityAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Assets Pledged As Collateral or For Security [abstract]",
        "documentation": "Assets pledged as collateral or for security."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelElectronicsManufacturingServicesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelElectronicsManufacturingServicesMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEEL ELECTRONICS MANUFACTURING SERVICES [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashBedfordLimitedInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashBedfordLimitedInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEELFLASH BEDFORD LIMITED Investor [Member]",
        "terseLabel": "ASTEELFLASH (BEDFORD) LIMITED [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashDesignSolutionsHamburgGmbhMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashDesignSolutionsHamburgGmbhMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEELFLASH DESIGN SOLUTIONS HAMBURG GmbH [Member]",
        "terseLabel": "ASTEELFLASH DESIGN SOLUTIONS HAMBOURG GmbH [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashFranceInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashFranceInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEELFLASH FRANCE Investor [Member]",
        "terseLabel": "ASTEELFLASH FRANCE [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashFranceMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashFranceMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEELFLASH FRANCE [Member]",
        "terseLabel": "ASTEELFLASH FRANCE [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashGermanyGmbhMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashGermanyGmbhMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEELFLASH GERMANY GmbH [Member]",
        "terseLabel": "ASTEELFLASH Germany GmbH. (renamed in January 2024, formerly named as ASTEELFLASH HERSFELD GmbH) [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashHoldingGmbhInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashHoldingGmbhInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Asteelflash Holding GmbH Investor [Member]",
        "verboseLabel": "Asteelflash Holding GmbH. [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashHoldingGmbhMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashHoldingGmbhMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Asteelflash Holding GmbH [Member]",
        "terseLabel": "Asteelflash Holding GmbH. [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashHongKongLimitedInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashHongKongLimitedInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEELFLASH HONG KONG LIMITED Investor [Member]",
        "terseLabel": "ASTEELFLASH HONG KONG LIMITED [Member]",
        "documentation": "ASTEELFLASH HONG KONG LIMITED Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashHongKongLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashHongKongLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEELFLASH HONG KONG LIMITED [Member]",
        "terseLabel": "ASTEELFLASH HONG KONG LIMITED [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashMexicoSaDeCvInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashMexicoSaDeCvInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEELFLASH MEXICO SA de CV Investor [Member]",
        "terseLabel": "ASTEELFLASH MEXICO S.A. de C.V. [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashMexicoSaDeCvMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashMexicoSaDeCvMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEELFLASH MEXICO SA de CV [Member]",
        "terseLabel": "ASTEELFLASH MEXICO S.A. de C.V. [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashPlzenSroMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashPlzenSroMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEELFLASH PLZEN SRO [Member]",
        "terseLabel": "ASTEELFLASH PLZEN S.R.O. [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashSuzhouCoLtdInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashSuzhouCoLtdInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEELFLASH SUZHOU CO LTD Investor [Member]",
        "terseLabel": "Asteelflash Suzhou Co., Ltd. [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashSuzhouCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashSuzhouCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Asteelflash Suzhou Co., Ltd.",
        "terseLabel": "Asteelflash Suzhou Co., Ltd. [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashTechnologieInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashTechnologieInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEELFLASH TECHNOLOGIE Investor [Member]",
        "terseLabel": "ASTEELFLASH TECHNOLOGIE [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashTechnologieMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashTechnologieMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEELFLASH TECHNOLOGIE [Member]",
        "terseLabel": "ASTEELFLASH TECHNOLOGIE [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashTunisieSaMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashTunisieSaMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEELFLASH TUNISIE SA [Member]",
        "terseLabel": "ASTEELFLASH TUNISIE S.A. [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashUsHoldingCorpInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashUsHoldingCorpInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEELFLASH US HOLDING CORP Investor [Member]",
        "terseLabel": "ASTEELFLASH US HOLDING CORP. [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashUsHoldingCorpMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashUsHoldingCorpMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEELFLASH US HOLDING CORP [Member]",
        "terseLabel": "ASTEELFLASH US HOLDING CORP. [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashUsaCorp.Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashUsaCorp.Member",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEELFLASH USA CORP. [Member]",
        "terseLabel": "ASTEELFLASH USA CORP. [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashUsaCorpInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashUsaCorpInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEELFLASH USA CORP Investor [Member]",
        "terseLabel": "ASTEELFLASH USA CORP. [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsteelflashbedfordLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsteelflashbedfordLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASTEELFLASH BEDFORD LIMITED [Member]",
        "terseLabel": "ASTEELFLASH (BEDFORD) LIMITED [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsxBankLoansMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsxBankLoansMember",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASX Bank Loans [Member]",
        "documentation": "Asxbank loans."
       }
      }
     },
     "auth_ref": []
    },
    "asx_AsxhcAssociatesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AsxhcAssociatesMember",
     "presentation": [
      "http://www.aseglobal.com/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ASXHc Associates [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AtFairValueMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AtFairValueMember",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfSharesHeldBySubsidiariesDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsNotMeasuredAtFairValueButForWhichFairValueIsDisclosedDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesFairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "At fair value [member]",
        "terseLabel": "Fair value [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for measurement based on fair value. Fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date."
       }
      }
     },
     "auth_ref": [
      "r115",
      "r131",
      "r168",
      "r191",
      "r458",
      "r512",
      "r515"
     ]
    },
    "dei_AuditorFirmId": {
     "xbrltype": "nonemptySequenceNumberItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "AuditorFirmId",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Auditor Firm ID",
        "documentation": "PCAOB issued Audit Firm Identifier"
       }
      }
     },
     "auth_ref": [
      "r702",
      "r703",
      "r726"
     ]
    },
    "dei_AuditorLocation": {
     "xbrltype": "internationalNameItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "AuditorLocation",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Auditor Location"
       }
      }
     },
     "auth_ref": [
      "r702",
      "r703",
      "r726"
     ]
    },
    "dei_AuditorName": {
     "xbrltype": "internationalNameItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "AuditorName",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Auditor Name"
       }
      }
     },
     "auth_ref": [
      "r702",
      "r703",
      "r726"
     ]
    },
    "asx_AverageCreditTerms": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "AverageCreditTerms",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Average credit terms",
        "terseLabel": "Average credit terms",
        "documentation": "Average credit terms."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_AwardExrcPrice": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardExrcPrice",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Exercise Price",
        "terseLabel": "Exercise Price"
       }
      }
     },
     "auth_ref": [
      "r784"
     ]
    },
    "ecd_AwardGrantDateFairValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardGrantDateFairValue",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Grant Date Fair Value",
        "terseLabel": "Fair Value as of Grant Date"
       }
      }
     },
     "auth_ref": [
      "r785"
     ]
    },
    "ecd_AwardTmgDiscLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardTmgDiscLineItems",
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Timing Disclosures [Line Items]",
        "terseLabel": "Award Timing Disclosures"
       }
      }
     },
     "auth_ref": [
      "r780"
     ]
    },
    "ecd_AwardTmgHowMnpiCnsdrdTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardTmgHowMnpiCnsdrdTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Timing, How MNPI Considered [Text Block]",
        "terseLabel": "Award Timing, How MNPI Considered"
       }
      }
     },
     "auth_ref": [
      "r780"
     ]
    },
    "ecd_AwardTmgMethodTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardTmgMethodTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Timing Method [Text Block]",
        "terseLabel": "Award Timing Method"
       }
      }
     },
     "auth_ref": [
      "r780"
     ]
    },
    "ecd_AwardTmgMnpiCnsdrdFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardTmgMnpiCnsdrdFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Timing MNPI Considered [Flag]",
        "terseLabel": "Award Timing MNPI Considered"
       }
      }
     },
     "auth_ref": [
      "r780"
     ]
    },
    "ecd_AwardTmgMnpiDiscTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardTmgMnpiDiscTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Timing MNPI Disclosure [Text Block]",
        "terseLabel": "Award Timing MNPI Disclosure"
       }
      }
     },
     "auth_ref": [
      "r780"
     ]
    },
    "ecd_AwardTmgPredtrmndFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardTmgPredtrmndFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Timing Predetermined [Flag]",
        "terseLabel": "Award Timing Predetermined"
       }
      }
     },
     "auth_ref": [
      "r780"
     ]
    },
    "us-gaap_AwardTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "AwardTypeAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Type [Axis]",
        "terseLabel": "Award Type"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_AwardUndrlygSecuritiesAmt": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardUndrlygSecuritiesAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Award Underlying Securities Amount",
        "terseLabel": "Underlying Securities"
       }
      }
     },
     "auth_ref": [
      "r783"
     ]
    },
    "ecd_AwardsCloseToMnpiDiscIndName": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardsCloseToMnpiDiscIndName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Awards Close in Time to MNPI Disclosures, Individual Name",
        "terseLabel": "Name"
       }
      }
     },
     "auth_ref": [
      "r782"
     ]
    },
    "ecd_AwardsCloseToMnpiDiscTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardsCloseToMnpiDiscTable",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Awards Close in Time to MNPI Disclosures [Table]",
        "terseLabel": "Awards Close in Time to MNPI Disclosures"
       }
      }
     },
     "auth_ref": [
      "r781"
     ]
    },
    "ecd_AwardsCloseToMnpiDiscTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "AwardsCloseToMnpiDiscTableTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Awards Close in Time to MNPI Disclosures [Table Text Block]",
        "terseLabel": "Awards Close in Time to MNPI Disclosures, Table"
       }
      }
     },
     "auth_ref": [
      "r781"
     ]
    },
    "asx_BankLoansMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "BankLoansMember",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Bank loans [member]",
        "terseLabel": "Bank loans [member]",
        "documentation": "Bank loans."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_BasicEarningsLossPerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BasicEarningsLossPerShare",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Basic earnings (loss) per share",
        "terseLabel": "Basic"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator)."
       }
      }
     },
     "auth_ref": [
      "r83",
      "r84"
     ]
    },
    "ifrs-full_BenefitsPaidOrPayable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BenefitsPaidOrPayable",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Benefits paid or payable",
        "negatedLabel": "Benefits paid from the Group"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of benefits paid or payable for retirement benefit plans."
       }
      }
     },
     "auth_ref": [
      "r71"
     ]
    },
    "ifrs-full_BondsIssued": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BondsIssued",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsNotMeasuredAtFairValueButForWhichFairValueIsDisclosedDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Bonds issued",
        "terseLabel": "Bonds payable"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of bonds issued by the entity."
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "asx_BondsIssuedTrancheAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "BondsIssuedTrancheAxis",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Bonds Issued Tranche [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_BondsIssuedTrancheMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "BondsIssuedTrancheMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Bonds Issued Tranche [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_BondsPayableMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "BondsPayableMember",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Bonds payable [member]",
        "terseLabel": "Bonds Payable [member]",
        "documentation": "Bonds payable [member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_BorrowingCostsCapitalised": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BorrowingCostsCapitalised",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfFinanceCostsDetail": {
       "parentTag": "asx_InterestExpenseExcludingLossOnDerivatives",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfNonCashActivitiesDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfFinanceCostsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Borrowing costs capitalised",
        "negatedLabel": "Property, plant and equipment",
        "negatedTerseLabel": "Capitalized borrowing costs"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of interest and other costs that an entity incurs in connection with the borrowing of funds that are directly attributable to the acquisition, construction or production of a qualifying asset and which form part of the cost of that asset."
       }
      }
     },
     "auth_ref": [
      "r60",
      "r421"
     ]
    },
    "ifrs-full_Borrowings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Borrowings",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Borrowings",
        "totalLabel": "Borrowings",
        "verboseLabel": "Borrowings",
        "terseLabel": "Long-term borrowings"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of outstanding funds that the entity is obligated to repay."
       }
      }
     },
     "auth_ref": [
      "r854"
     ]
    },
    "ifrs-full_BorrowingsByNameAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BorrowingsByNameAxis",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableDetail",
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsDetail",
      "http://www.aseglobal.com/role/BorrowingsTables",
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Borrowings by name [axis]",
        "terseLabel": "Borrowings by name [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r844"
     ]
    },
    "ifrs-full_BorrowingsByNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BorrowingsByNameDomain",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableDetail",
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsDetail",
      "http://www.aseglobal.com/role/BorrowingsTables",
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Borrowings by name [domain]",
        "terseLabel": "Borrowings by name [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all borrowings when disaggregated by name. It also represents the standard value for the 'Borrowings by name' axis if no other member is used. [Refer: Borrowings]"
       }
      }
     },
     "auth_ref": [
      "r844"
     ]
    },
    "asx_BorrowingsDenominatedInForeignCurrenciesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "BorrowingsDenominatedInForeignCurrenciesMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesItemsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Borrowings Denominated In Foreign Currencies [Member]",
        "terseLabel": "Borrowings denominated in foreign currencies [member]",
        "documentation": "Borrowings denominated in foreign currencies."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_BorrowingsInterestRate": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BorrowingsInterestRate",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Borrowings, interest rate",
        "terseLabel": "Annual interest rates",
        "definitionGuidance": "Annual interest rate (%)",
        "positiveLabel": "Interest rate"
       }
      },
      "en": {
       "role": {
        "documentation": "The interest rate on borrowings. [Refer: Borrowings]"
       }
      }
     },
     "auth_ref": [
      "r844"
     ]
    },
    "asx_BorrowingsInterestRatePeriodAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "BorrowingsInterestRatePeriodAxis",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Borrowings Interest Rate Period [Axis]",
        "documentation": "Borrowings Interest Rate Period [Axis]."
       }
      }
     },
     "auth_ref": []
    },
    "asx_BorrowingsInterestRatePeriodMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "BorrowingsInterestRatePeriodMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Borrowings Interest Rate Period [Member]",
        "documentation": "Borrowings Interest Rate Period Member."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_BorrowingsMaturity": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BorrowingsMaturity",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Borrowings, maturity",
        "verboseLabel": "Borrowings maturity"
       }
      },
      "en": {
       "role": {
        "documentation": "The maturity of borrowings. [Refer: Borrowings]"
       }
      }
     },
     "auth_ref": [
      "r844"
     ]
    },
    "ifrs-full_BottomOfRangeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BottomOfRangeMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsParentheticalDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail",
      "http://www.aseglobal.com/role/GoodwillAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesInvestmentPropertiesDepreciatedOnAStraightLineBasisOverUsefulLivesDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfTheGroupsLeaseLiabilitiesAreMainlyFromLandAndBuildingsAndImprovementsRangeOfDiscountRateForLeaseLiabilitiesDetail",
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfOtherIntangibleAssetsUsefulLivesDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfAnnualInterestRatesOfCapitalizedBorrowingCostsDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLivesDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansAdditionalInformationDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfKeyAssumptionsUsedForTheActuarialValuationsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfFairValueUsingTrinomialTreeModelAndInputsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesParentheticalDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Bottom of range [member]",
        "terseLabel": "Bottom of range [member]",
        "verboseLabel": "Bottom of range [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the bottom of a range."
       }
      }
     },
     "auth_ref": [
      "r146",
      "r199",
      "r223",
      "r242",
      "r375",
      "r635",
      "r636",
      "r844"
     ]
    },
    "asx_BuildingsAndImprovementsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "BuildingsAndImprovementsMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfRightOfUseAssetsDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfTheGroupsLeaseLiabilitiesAreMainlyFromLandAndBuildingsAndImprovementsRangeOfDiscountRateForLeaseLiabilitiesDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLivesDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Buildings and improvements [member]",
        "terseLabel": "Buildings and improvements [member]",
        "documentation": "Buildings and improvements."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_BuildingsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BuildingsMember",
     "presentation": [
      "http://www.aseglobal.com/role/LeaseArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Buildings [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a class of plant, property and equipment representing depreciable buildings and similar structures for use in operations. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r815"
     ]
    },
    "ifrs-full_BusinessCombinationsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BusinessCombinationsAxis",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfConsiderationTransferredInBusinessCombinationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfGoodwillRecognizedOnAcquisitionsDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfImpactOfAcquisitionsByComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfNetCashOutflowOnAcquisitionOfSubsidiaryDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfSubsidiaryAcquiredDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsTables",
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SignificantEventsAfterReportingPeriodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Business combinations [axis]",
        "terseLabel": "Business combinations [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r255",
      "r478"
     ]
    },
    "ifrs-full_BusinessCombinationsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BusinessCombinationsDomain",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfConsiderationTransferredInBusinessCombinationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfGoodwillRecognizedOnAcquisitionsDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfImpactOfAcquisitionsByComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfNetCashOutflowOnAcquisitionOfSubsidiaryDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfSubsidiaryAcquiredDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsTables",
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SignificantEventsAfterReportingPeriodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Business combinations [domain]",
        "terseLabel": "Business combinations [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Business combinations' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r255",
      "r261",
      "r478"
     ]
    },
    "dei_BusinessContactMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "BusinessContactMember",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Business Contact [Member]",
        "documentation": "Business contact for the entity"
       }
      }
     },
     "auth_ref": [
      "r703",
      "r726"
     ]
    },
    "asx_BuyUSCallEURPutMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "BuyUSCallEURPutMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Buy US CallEUR Put [Member]",
        "terseLabel": "Sell EUR/Buy US$ [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_CHEMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CHEMember",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfConsiderationTransferredInBusinessCombinationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfGoodwillRecognizedOnAcquisitionsDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfImpactOfAcquisitionsByComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfNetCashOutflowOnAcquisitionOfSubsidiaryDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfSubsidiaryAcquiredDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "CHE [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "country_CN": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/country/2025",
     "localname": "CN",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxAdditionalInformationDetail",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfGeographicalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "CHINA",
        "terseLabel": "China [member]"
       }
      }
     },
     "auth_ref": []
    },
    "currency_CNY": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/currency/2025",
     "localname": "CNY",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfRealizedAndUnrealizedForeignExchangeGainLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "China, Yuan Renminbi",
        "terseLabel": "Chinese Yuan [member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CapitalRedemptionReserveMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CapitalRedemptionReserveMember",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Capital redemption reserve [member]",
        "terseLabel": "Legal reserve [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity representing the reserve for the redemption of the entity's own shares."
       }
      }
     },
     "auth_ref": [
      "r850"
     ]
    },
    "ifrs-full_CapitalisationRateOfBorrowingCostsEligibleForCapitalisation": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CapitalisationRateOfBorrowingCostsEligibleForCapitalisation",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfAnnualInterestRatesOfCapitalizedBorrowingCostsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Capitalisation rate of borrowing costs eligible for capitalisation",
        "terseLabel": "Annual interest capitalization rates"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average of interest and other costs that an entity incurs in connection with the borrowing of funds applicable to the borrowings of the entity that are outstanding during the period, other than borrowings made specifically for the purpose of obtaining a qualifying asset. [Refer: Weighted average [member]; Borrowings]"
       }
      }
     },
     "auth_ref": [
      "r61",
      "r422"
     ]
    },
    "ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableDetail",
      "http://www.aseglobal.com/role/BorrowingsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableDetail",
      "http://www.aseglobal.com/role/GoodwillSummaryOfGoodwillDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail",
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfTradeReceivablesNetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]",
        "terseLabel": "Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r13",
      "r20",
      "r103",
      "r108",
      "r121",
      "r123",
      "r129",
      "r131",
      "r132",
      "r260",
      "r282",
      "r283",
      "r394",
      "r400",
      "r439",
      "r443",
      "r450",
      "r452",
      "r457",
      "r458",
      "r459",
      "r481",
      "r502",
      "r503"
     ]
    },
    "ifrs-full_CarryingAmountMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CarryingAmountMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableDetail",
      "http://www.aseglobal.com/role/BorrowingsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableDetail",
      "http://www.aseglobal.com/role/GoodwillSummaryOfGoodwillDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail",
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfTradeReceivablesNetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Carrying amount [member]",
        "terseLabel": "Carrying amount [member]"
       }
      }
     },
     "auth_ref": [
      "r20",
      "r108",
      "r121",
      "r129",
      "r131",
      "r260",
      "r282",
      "r283",
      "r400",
      "r443",
      "r450",
      "r457",
      "r458",
      "r481",
      "r502",
      "r503"
     ]
    },
    "ifrs-full_CashAndCashEquivalents": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashAndCashEquivalents",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0,
       "order": 2.0
      },
      "http://www.aseglobal.com/role/CashAndCashEquivalentsSummaryOfCashAndCashEquivalentsDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/CashAndCashEquivalentsSummaryOfCashAndCashEquivalentsDetail",
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash and cash equivalents",
        "terseLabel": "Cash and cash equivalents (Note 6)",
        "periodStartLabel": "CASH AND CASH EQUIVALENTS AT THE BEGINNING OF THE YEAR",
        "periodEndLabel": "CASH AND CASH EQUIVALENTS AT THE END OF THE YEAR",
        "totalLabel": "Cash and cash equivalents,total"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]"
       }
      }
     },
     "auth_ref": [
      "r147",
      "r180",
      "r376",
      "r562"
     ]
    },
    "asx_CashAndCashEquivalents1Axis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CashAndCashEquivalents1Axis",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForDerivativeFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash And Cash Equivalents 1 [axis]",
        "terseLabel": "Cash And Cash Equivalents [axis]",
        "documentation": "Cash And Cash Equivalents 1 [axis]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CashAndCashEquivalentsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashAndCashEquivalentsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash and cash equivalents [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CashAndCashEquivalentsAmountContributedToFairValueOfPlanAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashAndCashEquivalentsAmountContributedToFairValueOfPlanAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfFairValueOfThePlanAssetsByMajorCategoriesDetail": {
       "parentTag": "ifrs-full_PlanAssetsAtFairValue",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfFairValueOfThePlanAssetsByMajorCategoriesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash and cash equivalents, amount contributed to fair value of plan assets",
        "terseLabel": "Cash"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount cash and cash equivalents contribute to the fair value of defined benefit plan assets. [Refer: Cash and cash equivalents; Plan assets, at fair value; Defined benefit plans [domain]]"
       }
      }
     },
     "auth_ref": [
      "r612"
     ]
    },
    "ifrs-full_CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfNetCashInflowOnDisposalOfSubsidiariesDetail": {
       "parentTag": "asx_NetCashInflowArisingFromDisposalOfSubsidiary",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfNetCashOutflowOnAcquisitionOfSubsidiaryDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfNetCashInflowOnDisposalOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash and cash equivalents in subsidiary or businesses acquired or disposed",
        "negatedLabel": "Less: Cash and cash equivalents acquired",
        "negatedTerseLabel": "Less: Cash and cash equivalent balances disposed of"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of cash and cash equivalents in subsidiaries or other businesses over which control is obtained or lost. [Refer: Total for all subsidiaries [member]; Cash and cash equivalents]"
       }
      }
     },
     "auth_ref": [
      "r141"
     ]
    },
    "ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashAndCashEquivalentsRecognisedAsOfAcquisitionDate",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash and cash equivalents recognised as of acquisition date",
        "terseLabel": "Cash and cash equivalents"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for cash and cash equivalents acquired in a business combination. [Refer: Cash and cash equivalents; Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r841"
     ]
    },
    "asx_CashDividendPercentageOnDividendDistribution": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CashDividendPercentageOnDividendDistribution",
     "presentation": [
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash Dividend Percentage on Dividend Distribution",
        "terseLabel": "Percentage of cash dividend on dividend distribution",
        "documentation": "Cash dividend percentage on dividend distribution."
       }
      }
     },
     "auth_ref": []
    },
    "asx_CashDividendsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CashDividendsMember",
     "presentation": [
      "http://www.aseglobal.com/role/EquityScheduleOfAppropriationOfRetainedEarningsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash Dividends [Member]",
        "verboseLabel": "Cash dividends [member]",
        "documentation": "Cash Dividends [Member]."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CashEquivalents": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashEquivalents",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/CashAndCashEquivalentsSummaryOfCashAndCashEquivalentsDetail": {
       "parentTag": "ifrs-full_CashAndCashEquivalents",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/CashAndCashEquivalentsSummaryOfCashAndCashEquivalentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash equivalents",
        "terseLabel": "Cash equivalents (time deposits with original maturity of less than three months)"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value."
       }
      }
     },
     "auth_ref": [
      "r838"
     ]
    },
    "asx_CashFlowInformationAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CashFlowInformationAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash Flow Information [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_CashFlowInformationLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CashFlowInformationLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash Flow Information [Line Items]",
        "documentation": "Cash flow information."
       }
      }
     },
     "auth_ref": []
    },
    "asx_CashFlowInformationTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CashFlowInformationTable",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash Flow Information [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_CashFlowInterestRateRiskMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CashFlowInterestRateRiskMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfInterestRateRiskDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flow interest rate risk [member]",
        "terseLabel": "Cash flow interest rate risk [member]",
        "documentation": "Cash flow interest rate risk."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 34.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from losing control of subsidiaries or other businesses, classified as investing activities",
        "verboseLabel": "Net proceeds from disposal of subsidiary (Note 30)"
       }
      },
      "en": {
       "role": {
        "documentation": "The aggregate cash flows arising from losing control of subsidiaries or other businesses, classified as investing activities. [Refer: Total for all subsidiaries [member]]"
       }
      }
     },
     "auth_ref": [
      "r139"
     ]
    },
    "ifrs-full_CashFlowsFromUsedInFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInFinancingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) financing activities",
        "totalLabel": "Net cash generated from (used in) financing activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash flows from (used in) financing activities, which are activities that result in changes in the size and composition of the contributed equity and borrowings of the entity, from continuing and discontinued operations."
       }
      }
     },
     "auth_ref": [
      "r133",
      "r148"
     ]
    },
    "ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInFinancingActivitiesAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) financing activities [abstract]",
        "terseLabel": "CASH FLOWS FROM FINANCING ACTIVITIES"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CashFlowsFromUsedInInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInInvestingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents",
       "weight": 1.0,
       "order": 15.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) investing activities",
        "totalLabel": "Net cash used in investing activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash flows from (used in) investing activities, which are the acquisition and disposal of long-term assets and other investments not included in cash equivalents, from continuing and discontinued operations."
       }
      }
     },
     "auth_ref": [
      "r133",
      "r148"
     ]
    },
    "ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInInvestingActivitiesAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) investing activities [abstract]",
        "terseLabel": "CASH FLOWS FROM INVESTING ACTIVITIES"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CashFlowsFromUsedInOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInOperatingActivities",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents",
       "weight": 1.0,
       "order": 36.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) operating activities",
        "totalLabel": "Net cash generated from operating activities"
       }
      }
     },
     "auth_ref": [
      "r133",
      "r148"
     ]
    },
    "ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInOperatingActivitiesAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) operating activities [abstract]",
        "terseLabel": "CASH FLOWS FROM OPERATING ACTIVITIES"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CashFlowsFromUsedInOperations": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInOperations",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 37.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows from (used in) operations",
        "totalLabel": "Cash generated from operations"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash from (used in) the entity's operations."
       }
      }
     },
     "auth_ref": [
      "r626",
      "r632"
     ]
    },
    "ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0,
       "order": 20.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities",
        "negatedLabel": "Net proceeds outflow on acquisition of subsidiaries"
       }
      },
      "en": {
       "role": {
        "documentation": "The aggregate cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities. [Refer: Total for all subsidiaries [member]]"
       }
      }
     },
     "auth_ref": [
      "r139"
     ]
    },
    "ifrs-full_CashOnHand": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashOnHand",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/CashAndCashEquivalentsSummaryOfCashAndCashEquivalentsDetail": {
       "parentTag": "ifrs-full_CashAndCashEquivalents",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/CashAndCashEquivalentsSummaryOfCashAndCashEquivalentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash on hand",
        "verboseLabel": "Cash on hand, checking accounts and demand deposits"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of cash held by the entity. This does not include demand deposits."
       }
      }
     },
     "auth_ref": [
      "r838"
     ]
    },
    "ifrs-full_CashOutflowForLeases": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashOutflowForLeases",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfOtherRelatedLeaseInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash outflow for leases",
        "terseLabel": "Total cash outflow for leases"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for leases."
       }
      }
     },
     "auth_ref": [
      "r212",
      "r340"
     ]
    },
    "ifrs-full_CashTransferred": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashTransferred",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfConsiderationTransferredInBusinessCombinationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfNetCashOutflowOnAcquisitionOfSubsidiaryDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cash transferred",
        "verboseLabel": "Cash",
        "terseLabel": "Consideration paid in Cash"
       }
      },
      "en": {
       "role": {
        "documentation": "The fair value, at acquisition date, of cash transferred as consideration in a business combination. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r250",
      "r475"
     ]
    },
    "ifrs-full_CategoriesOfFinancialAssetsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CategoriesOfFinancialAssetsAxis",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfInvestmentsInDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfInvestmentsInEquityInstrumentsAtFairValueThroughOtherComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfCategoriesOfFinancialInstrumentsDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail",
      "http://www.aseglobal.com/role/OtherFinancialAssetsSummaryOfOtherFinancialAssetsDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Categories of financial assets [axis]",
        "terseLabel": "Categories of financial assets [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r301",
      "r492"
     ]
    },
    "ifrs-full_CategoriesOfFinancialAssetsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CategoriesOfFinancialAssetsDomain",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfInvestmentsInDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfInvestmentsInEquityInstrumentsAtFairValueThroughOtherComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfCategoriesOfFinancialInstrumentsDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail",
      "http://www.aseglobal.com/role/OtherFinancialAssetsSummaryOfOtherFinancialAssetsDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Categories of financial assets [domain]",
        "terseLabel": "Categories of financial assets [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for aggregated categories of financial assets. It also represents the standard value for the 'Categories of financial assets' axis if no other member is used. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r301",
      "r492"
     ]
    },
    "ifrs-full_CategoriesOfRelatedPartiesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CategoriesOfRelatedPartiesAxis",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableParentheticalDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeesCompensationAndRemunerationToDirectorsDetail",
      "http://www.aseglobal.com/role/RelatedPartyTransactionsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/RelatedPartyTransactionsSummaryOfTransactionsBetweenRelatedPartiesDetail",
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Categories of related parties [axis]",
        "terseLabel": "Categories of related parties [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r69",
      "r426"
     ]
    },
    "ifrs-full_CategoriesOfRelatedPartiesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CategoriesOfRelatedPartiesDomain",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableParentheticalDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeesCompensationAndRemunerationToDirectorsDetail",
      "http://www.aseglobal.com/role/RelatedPartyTransactionsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/RelatedPartyTransactionsSummaryOfTransactionsBetweenRelatedPartiesDetail",
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Categories of related parties [domain]",
        "terseLabel": "Categories of related parties [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Categories of related parties' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r69",
      "r426"
     ]
    },
    "ecd_ChangedPeerGroupFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ChangedPeerGroupFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Changed Peer Group, Footnote [Text Block]",
        "terseLabel": "Changed Peer Group, Footnote"
       }
      }
     },
     "auth_ref": [
      "r759"
     ]
    },
    "asx_ChangesInPercentageOfOwnershipInterestInSubsidiaries": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ChangesInPercentageOfOwnershipInterestInSubsidiaries",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail": {
       "parentTag": "asx_SharePremiumMayBeUsedToOffsetDeficitOnly",
       "weight": 1.0,
       "order": 10.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Changes in percentage of ownership interest in subsidiaries",
        "terseLabel": "Changes in percentage of ownership interest in subsidiaries",
        "documentation": "Changes in percentage of ownership interest in subsidiaries."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ChineseYuanEqualsToNewTaiwanDollarMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ChineseYuanEqualsToNewTaiwanDollarMember",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfRealizedAndUnrealizedForeignExchangeGainLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Chinese Yuan equals to new Taiwan dollar [member]",
        "terseLabel": "Chinese Yuan equals to New Taiwan dollar [member]",
        "documentation": "Chinese Yuan equals to new Taiwan dollar."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ChipMosTechnologiesIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ChipMosTechnologiesIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfFairValuesOfInvestmentsInAssociatesWithAvailablePublishedPriceQuotationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ChipMos Technologies Inc [member]",
        "verboseLabel": "ChipMOS Technologies Inc. [member]",
        "documentation": "ChipMos Technologies Inc"
       }
      }
     },
     "auth_ref": []
    },
    "asx_ChipletzMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ChipletzMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "CHIPLETZ [Member]",
        "documentation": "CHIPLETZ member."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ChipmosMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ChipmosMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ChipMos [Member]",
        "documentation": "ChipMos."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_ChngInFrValAsOfVstngDtOfPrrYrEqtyAwrdsVstdInCvrdYrMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ChngInFrValAsOfVstngDtOfPrrYrEqtyAwrdsVstdInCvrdYrMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member]",
        "terseLabel": "Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year"
       }
      }
     },
     "auth_ref": [
      "r756"
     ]
    },
    "ecd_ChngInFrValOfOutsdngAndUnvstdEqtyAwrdsGrntdInPrrYrsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ChngInFrValOfOutsdngAndUnvstdEqtyAwrdsGrntdInPrrYrsMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member]",
        "terseLabel": "Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested"
       }
      }
     },
     "auth_ref": [
      "r754"
     ]
    },
    "dei_CityAreaCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "CityAreaCode",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "City Area Code",
        "documentation": "Area code of city"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ClassesOfEmployeeBenefitsExpenseAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfEmployeeBenefitsExpenseAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeeBenefitsExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of employee benefits expense [abstract]",
        "terseLabel": "Post-employment benefits"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ClassesOfFinancialAssetsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfFinancialAssetsAxis",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceForCurrentFinancialAssetsAtFvtociDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfMovementsOfLossAllowanceOfTradeReceivablesDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of financial assets [axis]",
        "terseLabel": "Classes of financial assets [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r230",
      "r293",
      "r294",
      "r329",
      "r330",
      "r538"
     ]
    },
    "ifrs-full_ClassesOfFinancialAssetsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfFinancialAssetsDomain",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceForCurrentFinancialAssetsAtFvtociDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfMovementsOfLossAllowanceOfTradeReceivablesDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of financial assets [domain]",
        "terseLabel": "Classes of financial assets [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for aggregated classes of financial assets. It also represents the standard value for the 'Classes of financial assets' axis if no other member is used. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r230",
      "r293",
      "r294",
      "r329",
      "r330",
      "r538"
     ]
    },
    "ifrs-full_ClassesOfFinancialInstrumentsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfFinancialInstrumentsAxis",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForDerivativeFinancialInstrumentsDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of financial instruments [axis]",
        "terseLabel": "Classes of financial instruments [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r282",
      "r284",
      "r286",
      "r287",
      "r502",
      "r505"
     ]
    },
    "ifrs-full_ClassesOfFinancialInstrumentsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfFinancialInstrumentsDomain",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForDerivativeFinancialInstrumentsDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of financial instruments [domain]",
        "terseLabel": "Classes of financial instruments [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for aggregated classes of financial instruments. Financial instruments are contracts that give rise to a financial asset of one entity and a financial liability or equity instrument of another entity. It also represents the standard value for the 'Classes of financial instruments' axis if no other member is used. [Refer: Financial assets; Financial liabilities]"
       }
      }
     },
     "auth_ref": [
      "r282",
      "r284",
      "r286",
      "r287",
      "r502",
      "r505"
     ]
    },
    "ifrs-full_ClassesOfFinancialLiabilitiesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfFinancialLiabilitiesAxis",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of financial liabilities [axis]",
        "terseLabel": "Classes of financial liabilities [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r293",
      "r294",
      "r329",
      "r330"
     ]
    },
    "ifrs-full_ClassesOfFinancialLiabilitiesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfFinancialLiabilitiesDomain",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of financial liabilities [domain]",
        "terseLabel": "Classes of financial liabilities [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for aggregated classes financial liabilities. It also represents the standard value for the 'Classes of financial liabilities' axis if no other member is used. [Refer: Financial liabilities]"
       }
      }
     },
     "auth_ref": [
      "r293",
      "r294",
      "r329",
      "r330"
     ]
    },
    "ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfIntangibleAssetsOtherThanGoodwillAxis",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail",
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfOtherIntangibleAssetsUsefulLivesDetail",
      "http://www.aseglobal.com/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of intangible assets other than goodwill [axis]",
        "terseLabel": "Classes of intangible assets other than goodwill [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r109",
      "r444"
     ]
    },
    "ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfIntangibleAssetsOtherThanGoodwillDomain",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail",
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfOtherIntangibleAssetsUsefulLivesDetail",
      "http://www.aseglobal.com/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of intangible assets other than goodwill [domain]",
        "terseLabel": "Classes of intangible assets other than goodwill [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Classes of intangible assets other than goodwill' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r109",
      "r444"
     ]
    },
    "ifrs-full_ClassesOfInventoriesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfInventoriesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of current inventories [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ClassesOfOrdinarySharesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfOrdinarySharesAxis",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of ordinary shares [axis]",
        "terseLabel": "Classes of ordinary shares [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r83"
     ]
    },
    "ifrs-full_ClassesOfOrdinarySharesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfOrdinarySharesDomain",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of ordinary shares [domain]",
        "terseLabel": "Classes of ordinary shares [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Classes of ordinary shares' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r83"
     ]
    },
    "ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfPropertyPlantAndEquipmentAxis",
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusinessAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusinessSummaryOfInventoriesRelatedToRealEstateBusinessDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfRightOfUseAssetsDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfTheGroupsLeaseLiabilitiesAreMainlyFromLandAndBuildingsAndImprovementsRangeOfDiscountRateForLeaseLiabilitiesDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLivesDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail",
      "http://www.aseglobal.com/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of property, plant and equipment [axis]",
        "terseLabel": "Classes of property, plant and equipment [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r21",
      "r401"
     ]
    },
    "ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfPropertyPlantAndEquipmentDomain",
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusinessAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusinessSummaryOfInventoriesRelatedToRealEstateBusinessDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfRightOfUseAssetsDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfTheGroupsLeaseLiabilitiesAreMainlyFromLandAndBuildingsAndImprovementsRangeOfDiscountRateForLeaseLiabilitiesDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLivesDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail",
      "http://www.aseglobal.com/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of property, plant and equipment [domain]",
        "terseLabel": "Classes of property, plant and equipment [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Classes of property, plant and equipment' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r21",
      "r401"
     ]
    },
    "ifrs-full_ClassesOfShareCapitalAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfShareCapitalAxis",
     "presentation": [
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of share capital [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r362",
      "r526",
      "r581"
     ]
    },
    "ifrs-full_ClassesOfShareCapitalDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfShareCapitalDomain",
     "presentation": [
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classes of share capital [domain]",
        "terseLabel": "Classes of share capital [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for share capital of the entity. It also represents the standard value for the 'Classes of share capital' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r362",
      "r526",
      "r581"
     ]
    },
    "asx_ClassificationOfFineAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ClassificationOfFineAxis",
     "presentation": [
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classification Of Fine [Axis]",
        "documentation": "Classification of fine."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ClassificationOfFineMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ClassificationOfFineMember",
     "presentation": [
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Classification Of Fine [Member]",
        "documentation": "Classification of fine."
       }
      }
     },
     "auth_ref": []
    },
    "asx_CleanRoomsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CleanRoomsMember",
     "presentation": [
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLivesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Clean Rooms [member]",
        "terseLabel": "Cleanrooms [Member]",
        "documentation": "Cleanrooms."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ClosingForeignExchangeRate": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClosingForeignExchangeRate",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Closing foreign exchange rate",
        "terseLabel": "Convenience exchange rate"
       }
      },
      "en": {
       "role": {
        "documentation": "The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery."
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "ecd_CoSelectedMeasureAmt": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "CoSelectedMeasureAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Company Selected Measure Amount",
        "terseLabel": "Company Selected Measure Amount"
       }
      }
     },
     "auth_ref": [
      "r760"
     ]
    },
    "ecd_CoSelectedMeasureName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "CoSelectedMeasureName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Company Selected Measure Name",
        "terseLabel": "Company Selected Measure Name"
       }
      }
     },
     "auth_ref": [
      "r760"
     ]
    },
    "asx_CoVenturerAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CoVenturerAxis",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Co Venturer [Axis]",
        "documentation": "Co venturer axis."
       }
      }
     },
     "auth_ref": []
    },
    "asx_CoVenturerDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CoVenturerDomain",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Co Venturer [Domain]",
        "documentation": "Co venturer domain."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CommercialPapersIssued": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CommercialPapersIssued",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Commercial papers issued",
        "terseLabel": "Letter of credits"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of commercial paper issued by the entity."
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "asx_CommercialPapersMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CommercialPapersMember",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Commercial Papers [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_CommitmentPeriod": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CommitmentPeriod",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Commitment Period",
        "terseLabel": "Contractual period for environmental protection",
        "documentation": "Commitment period."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "CompActuallyPaidVsCoSelectedMeasureTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Compensation Actually Paid vs. Company Selected Measure [Text Block]",
        "terseLabel": "Compensation Actually Paid vs. Company Selected Measure"
       }
      }
     },
     "auth_ref": [
      "r765"
     ]
    },
    "ecd_CompActuallyPaidVsNetIncomeTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "CompActuallyPaidVsNetIncomeTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Compensation Actually Paid vs. Net Income [Text Block]",
        "terseLabel": "Compensation Actually Paid vs. Net Income"
       }
      }
     },
     "auth_ref": [
      "r764"
     ]
    },
    "ecd_CompActuallyPaidVsOtherMeasureTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "CompActuallyPaidVsOtherMeasureTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Compensation Actually Paid vs. Other Measure [Text Block]",
        "terseLabel": "Compensation Actually Paid vs. Other Measure"
       }
      }
     },
     "auth_ref": [
      "r766"
     ]
    },
    "ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "CompActuallyPaidVsTotalShareholderRtnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Compensation Actually Paid vs. Total Shareholder Return [Text Block]",
        "terseLabel": "Compensation Actually Paid vs. Total Shareholder Return"
       }
      }
     },
     "auth_ref": [
      "r763"
     ]
    },
    "ifrs-full_ComponentsOfEquityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComponentsOfEquityAxis",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity",
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EquityScheduleOfAppropriationOfRetainedEarningsDetail",
      "http://www.aseglobal.com/role/EquitySummaryOfExchangeDifferencesOnTranslatingForeignOperationsDetail",
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail",
      "http://www.aseglobal.com/role/EquitySummaryOfUnrealizedGainLossOnFinancialAssetsAtFvtociDetail",
      "http://www.aseglobal.com/role/EquityTables",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Components of equity [axis]",
        "terseLabel": "Components of equity [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r546"
     ]
    },
    "ifrs-full_ComponentsOfEquityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComponentsOfEquityDomain",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity",
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EquityScheduleOfAppropriationOfRetainedEarningsDetail",
      "http://www.aseglobal.com/role/EquitySummaryOfExchangeDifferencesOnTranslatingForeignOperationsDetail",
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail",
      "http://www.aseglobal.com/role/EquitySummaryOfUnrealizedGainLossOnFinancialAssetsAtFvtociDetail",
      "http://www.aseglobal.com/role/EquityTables",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Components of equity [domain]",
        "terseLabel": "Components of equity [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the residual interest in the assets of the entity after deducting all its liabilities. It also represents the standard value for the 'Components of equity' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r546"
     ]
    },
    "ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]",
        "terseLabel": "Items that may be reclassified subsequently to profit or loss:"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract]",
        "terseLabel": "Items that will not be reclassified subsequently to profit or loss:"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComprehensiveIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncomeAlternate1": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      },
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfAssociatesThatAreNotIndividuallyMaterialDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      },
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity",
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfAssociatesThatAreNotIndividuallyMaterialDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfTheJointVentureThatIsNotIndividuallyMaterialDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Comprehensive income",
        "totalLabel": "TOTAL COMPREHENSIVE INCOME FOR THE YEAR",
        "verboseLabel": "Total comprehensive income (loss)",
        "definitionGuidance": "Total net loss and comprehensive loss"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of change in equity resulting from transactions and other events, other than those changes resulting from transactions with owners in their capacity as owners."
       }
      }
     },
     "auth_ref": [
      "r155",
      "r157",
      "r177",
      "r428",
      "r461",
      "r541",
      "r586",
      "r634"
     ]
    },
    "ifrs-full_ComprehensiveIncomeAttributableToAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComprehensiveIncomeAttributableToAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Comprehensive income attributable to [abstract]",
        "terseLabel": "TOTAL COMPREHENSIVE INCOME ATTRIBUTABLE TO:"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComprehensiveIncomeAttributableToNoncontrollingInterests",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncomeAlternate1": {
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Comprehensive income, attributable to non-controlling interests",
        "terseLabel": "Non-controlling interests"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of comprehensive income attributable to non-controlling interests. [Refer: Comprehensive income; Non-controlling interests]"
       }
      }
     },
     "auth_ref": [
      "r541",
      "r589"
     ]
    },
    "ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComprehensiveIncomeAttributableToOwnersOfParent",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncomeAlternate1": {
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Comprehensive income, attributable to owners of parent",
        "terseLabel": "Owners of the Company"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of comprehensive income attributable to owners of the parent. [Refer: Comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r541",
      "r590"
     ]
    },
    "ifrs-full_ComputerSoftwareMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComputerSoftwareMember",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail",
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfOtherIntangibleAssetsUsefulLivesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Computer software [member]",
        "terseLabel": "Computer software [Member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a class of intangible assets representing computer software. [Refer: Intangible assets other than goodwill]"
       }
      }
     },
     "auth_ref": [
      "r620"
     ]
    },
    "asx_ConsiderationFromDisposalOfPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ConsiderationFromDisposalOfPropertyPlantAndEquipment",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfNonCashActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Consideration from disposal of property, plant and equipment",
        "terseLabel": "Consideration from disposal of property, plant and equipment",
        "documentation": "Consideration from disposal of property, plant and equipment."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ConsiderationPaidInCash": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ConsiderationPaidInCash",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Consideration Paid In Cash",
        "terseLabel": "Consideration paid in cash for shares",
        "documentation": "Consideration paid in cash."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ConsiderationPaidReceived": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ConsiderationPaidReceived",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfGainOnDisposalOfSubsidiaryDetail": {
       "parentTag": "asx_GainOnDisposalOfSubsidiaries",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfNetCashInflowOnDisposalOfSubsidiariesDetail": {
       "parentTag": "asx_NetCashInflowArisingFromDisposalOfSubsidiary",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfNetCashOutflowOnAcquisitionOfSubsidiaryDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfGainOnDisposalOfSubsidiaryDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfNetCashInflowOnDisposalOfSubsidiariesDetail",
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Consideration paid (received)",
        "terseLabel": "Net cash outflow on acquisition of subsidiaries",
        "verboseLabel": "Total consideration",
        "presentationGuidance": "Consideration received in cash and cash equivalents",
        "disclosureGuidance": "Consideration paid received"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of consideration paid or received in respect of both obtaining and losing control of subsidiaries or other businesses. [Refer: Total for all subsidiaries [member]]"
       }
      }
     },
     "auth_ref": [
      "r140"
     ]
    },
    "asx_ConsiderationTransferredMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ConsiderationTransferredMember",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfConsiderationTransferredInBusinessCombinationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Consideration Transferred [Member]",
        "verboseLabel": "Consideration transferred [member]",
        "documentation": "Consideration transferred."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ConsolidatedStructuredEntitiesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ConsolidatedStructuredEntitiesAxis",
     "presentation": [
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Consolidated structured entities [axis]",
        "terseLabel": "Consolidated structured entities [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r190"
     ]
    },
    "ifrs-full_ConsolidatedStructuredEntitiesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ConsolidatedStructuredEntitiesDomain",
     "presentation": [
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Consolidated structured entities [domain]",
        "terseLabel": "Consolidated structured entities [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Consolidated structured entities' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r190"
     ]
    },
    "asx_ConstructionInProgressAndMachineryInTransitMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ConstructionInProgressAndMachineryInTransitMember",
     "presentation": [
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Construction in Progress And Machinery In Transit [member]",
        "terseLabel": "Construction in progress and machinery under installation [member]",
        "documentation": "Construction in progress and machinery in transit."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ConstructionInProgressMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ConstructionInProgressMember",
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusinessSummaryOfInventoriesRelatedToRealEstateBusinessDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Construction in progress [member]",
        "terseLabel": "Construction in progress [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for expenditure capitalised during the construction of items of property, plant and equipment that are not yet available for use (ie not yet in the location and condition necessary for it to be capable of operating in the manner intended by the management). [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r815"
     ]
    },
    "dei_ContactPersonnelEmailAddress": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "ContactPersonnelEmailAddress",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contact Personnel Email Address",
        "documentation": "Email address of contact personnel."
       }
      }
     },
     "auth_ref": []
    },
    "dei_ContactPersonnelFaxNumber": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "ContactPersonnelFaxNumber",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contact Personnel Fax Number",
        "documentation": "Fax Number of contact personnel."
       }
      }
     },
     "auth_ref": [
      "r703"
     ]
    },
    "dei_ContactPersonnelName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "ContactPersonnelName",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contact Personnel Name",
        "documentation": "Name of contact personnel"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ContingentConsiderationRecognisedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ContingentConsiderationRecognisedAsOfAcquisitionDate",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfConsiderationTransferredInBusinessCombinationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contingent consideration recognised as of acquisition date",
        "verboseLabel": "Contingent considerations"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount, at acquisition date, of contingent consideration arrangements recognised as consideration transferred in a business combination. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r252",
      "r477"
     ]
    },
    "asx_ContingentConsiderationsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ContingentConsiderationsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contingent considerations [Member]",
        "terseLabel": "Contingent considerations [member]",
        "verboseLabel": "Contingent considerations [member]",
        "documentation": "Contingent considerations."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ContractAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ContractAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contract assets",
        "terseLabel": "Contract assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of an entity\u2019s right to consideration in exchange for goods or services that the entity has transferred to a customer, when that right is conditioned on something other than the passage of time (for example, the entity\u2019s future performance)."
       }
      }
     },
     "auth_ref": [
      "r200",
      "r202",
      "r333"
     ]
    },
    "asx_ContractKnockOutPrice": {
     "xbrltype": "perUnitItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ContractKnockOutPrice",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contract Knock Out price",
        "terseLabel": "Knock-out Price",
        "documentation": "Contract knock out price."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ContractStrikePrice": {
     "xbrltype": "perUnitItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ContractStrikePrice",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contract Strike price",
        "terseLabel": "Strike\u00a0Price",
        "documentation": "Contract strike price."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ContractsCurrency": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ContractsCurrency",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contracts Currency",
        "terseLabel": "Currency",
        "documentation": "Contracts currency."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ContractsDuration": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ContractsDuration",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contracts Duration",
        "documentation": "Contracts duration."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ContractsMaturityPeriod": {
     "xbrltype": "gYearMonthItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ContractsMaturityPeriod",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contracts maturity period",
        "terseLabel": "Maturity Period",
        "documentation": "Contracts maturity period."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ContractualAmountsToBeDerivativesFinancialInstrumentsInCashFlowsAreExchanged": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ContractualAmountsToBeDerivativesFinancialInstrumentsInCashFlowsAreExchanged",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForDerivativeFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contractual Amounts To Be Derivatives Financial Instruments In Cash Flows Are Exchanged",
        "terseLabel": "Gross settled",
        "documentation": "Contractual amounts to be derivatives financial instruments in cash flows are exchanged."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ContractualCapitalCommitments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ContractualCapitalCommitments",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contractual capital commitments",
        "terseLabel": "Contractual capital commitments"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of capital commitments for which the entity has entered into a contract. [Refer: Capital commitments]"
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "ifrs-full_ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipment",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contractual commitments for acquisition of property, plant and equipment",
        "terseLabel": "Committed to purchase property, plant and equipment"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of contractual commitments for the acquisition of property, plant and equipment. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r23",
      "r403"
     ]
    },
    "ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Contributions to plan by employer, net defined benefit liability (asset)",
        "negatedLabel": "Contributions from the employer"
       }
      },
      "en": {
       "role": {
        "documentation": "The decrease (increase) in net defined benefit liability (asset) resulting from contributions to a defined benefit plan by the employer. [Refer: Net defined benefit liability (asset); Defined benefit plans [domain]]"
       }
      }
     },
     "auth_ref": [
      "r39"
     ]
    },
    "asx_ConversionPeriodOfBonds": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ConversionPeriodOfBonds",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Conversion Period of Bonds",
        "documentation": "Conversion period of bonds."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ConversionPrice": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ConversionPrice",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Conversion Price",
        "documentation": "Conversion price"
       }
      }
     },
     "auth_ref": []
    },
    "asx_ConvertibleBondsClassifiedSeparatelyAsEquityComponentsAndEmbeddedDerivativeLiability": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ConvertibleBondsClassifiedSeparatelyAsEquityComponentsAndEmbeddedDerivativeLiability",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Convertible Bonds Classified Separately As Equity Components And Embedded Derivative liability",
        "verboseLabel": "Convertible bonds classified separately as equity components and embedded derivative liability",
        "documentation": "Convertible bonds classified separately as equity components and embedded derivative liability."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ConvertibleBondsConvertedToOrdinaryShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ConvertibleBondsConvertedToOrdinaryShares",
     "presentation": [
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Convertible Bonds Converted To Ordinary Shares",
        "terseLabel": "Convertible bonds converted to ordinary shares",
        "documentation": "Convertible bonds converted to ordinary shares."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ConvertibleBondsIssuedBySubsidiariesAndConvertedToOrdinaryShares": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ConvertibleBondsIssuedBySubsidiariesAndConvertedToOrdinaryShares",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Convertible Bonds Issued By Subsidiaries And Converted To Ordinary Shares",
        "verboseLabel": "Convertible bonds issued by subsidiaries and converted to subsidiaries' ordinary shares",
        "documentation": "Convertible bonds issued by subsidiaries and converted to ordinary shares."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ConvertibleInstrumentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ConvertibleInstrumentsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Convertible instruments [member]",
        "terseLabel": "Convertible notes [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for convertible instruments."
       }
      }
     },
     "auth_ref": [
      "r828"
     ]
    },
    "asx_ConvertibleNotesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ConvertibleNotesMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Convertible Notes [Member]",
        "terseLabel": "Convertible notes [member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail",
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfOtherIntangibleAssetsUsefulLivesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Copyrights, patents and other industrial property rights, service and operating rights [member]",
        "terseLabel": "Patents and acquired specific technology [Member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a class of intangible assets representing copyrights, patents and other industrial property rights, service and operating rights. [Refer: Intangible assets other than goodwill]"
       }
      }
     },
     "auth_ref": [
      "r621"
     ]
    },
    "asx_CorporateSocialResponsibilitiesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CorporateSocialResponsibilitiesMember",
     "presentation": [
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Corporate Social Responsibilities [Member]",
        "terseLabel": "Corporate social responsibilities [Member]",
        "documentation": "Corporate social responsibilities."
       }
      }
     },
     "auth_ref": []
    },
    "asx_CostMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CostMember",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cost [Member]",
        "terseLabel": "Cost [member]",
        "documentation": "Cost."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CostOfInventoriesRecognisedAsExpenseDuringPeriod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CostOfInventoriesRecognisedAsExpenseDuringPeriod",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cost of inventories recognised as expense during period",
        "terseLabel": "Cost of inventories recognized as operating costs"
       }
      }
     },
     "auth_ref": [
      "r51",
      "r368"
     ]
    },
    "ifrs-full_CostOfSales": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CostOfSales",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_GrossProfit",
       "weight": -1.0,
       "order": 31.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cost of sales",
        "verboseLabel": "OPERATING COSTS"
       }
      }
     },
     "auth_ref": [
      "r539",
      "r602"
     ]
    },
    "ifrs-full_CounterpartiesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CounterpartiesAxis",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Counterparties [axis]",
        "terseLabel": "Counterparties [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r302"
     ]
    },
    "ifrs-full_CounterpartiesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CounterpartiesDomain",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Counterparties [domain]",
        "terseLabel": "Counterparties [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the parties to the transaction other than the entity. It also represents the standard value for the 'Counterparties' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r302"
     ]
    },
    "dei_CoverAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "CoverAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Cover [Abstract]",
        "documentation": "Cover page."
       }
      }
     },
     "auth_ref": []
    },
    "asx_CreditRiskManagementInvestmentsInDebtInstrumentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CreditRiskManagementInvestmentsInDebtInstrumentsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/CreditRiskManagementForInvestmentsInDebtInstruments"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Credit risk management investments in debt instruments [text block]",
        "terseLabel": "Credit Risk Management for Investments in Debt Instruments",
        "documentation": "Credit risk management for investments in debt instruments."
       }
      }
     },
     "auth_ref": []
    },
    "srt_CurrencyAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "CurrencyAxis",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfRealizedAndUnrealizedForeignExchangeGainLossDetail",
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Currency [Axis]",
        "terseLabel": "Currency [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CurrencyRiskMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrencyRiskMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Currency risk [member]",
        "terseLabel": "Currency risk [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a type of market risk representing the risk that the fair value or future cash flows of a financial instrument will fluctuate because of changes in foreign exchange rates. [Refer: Classes of financial instruments [domain]]"
       }
      }
     },
     "auth_ref": [
      "r224",
      "r225",
      "r226",
      "r227",
      "r303"
     ]
    },
    "asx_CurrentAccruedUtilitiesExpenses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CurrentAccruedUtilitiesExpenses",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/OtherPayablesSummaryOfOtherPayablesDetail": {
       "parentTag": "ifrs-full_OtherCurrentPayables",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/OtherPayablesSummaryOfOtherPayablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current accrued utilities expenses",
        "terseLabel": "Accrued utilities",
        "documentation": "Current accrued utilities expenses."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquityAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Current and deferred tax relating to items charged or credited directly to equity [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CurrentAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current assets",
        "totalLabel": "Total current assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of assets that the entity (a) expects to realise or intends to sell or consume in its normal operating cycle; (b) holds primarily for the purpose of trading; (c) expects to realise within twelve months after the reporting period; or (d) classifies as cash or cash equivalents (as defined in IAS 7) unless the asset is restricted from being exchanged or used to settle a liability for at least twelve months after the reporting period. [Refer: Assets]"
       }
      }
     },
     "auth_ref": [
      "r173",
      "r571",
      "r634"
     ]
    },
    "ifrs-full_CurrentAssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentAssetsAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current assets [abstract]",
        "terseLabel": "CURRENT ASSETS"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0,
       "order": 32.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableDetail",
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current bonds issued and current portion of non-current bonds issued",
        "verboseLabel": "Current portion of bonds payable (Note 21)",
        "definitionGuidance": "Less: current portion of bonds payable"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current bonds issued and the current portion of non-current bonds issued. [Refer: Bonds issued]"
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "ifrs-full_CurrentContractAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentContractAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current contract assets",
        "verboseLabel": "Contract assets - current (Note 41)"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current contract assets. [Refer: Contract assets]"
       }
      }
     },
     "auth_ref": [
      "r200"
     ]
    },
    "ifrs-full_CurrentDebtInstrumentsIssued": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentDebtInstrumentsIssued",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfCategoriesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current debt instruments issued",
        "terseLabel": "Debt instruments"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current debt instruments issued. [Refer: Debt instruments issued]"
       }
      }
     },
     "auth_ref": [
      "r854"
     ]
    },
    "ifrs-full_CurrentFinancialAssetsAtAmortisedCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentFinancialAssetsAtAmortisedCost",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current financial assets at amortised cost",
        "totalLabel": "Net Amount"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current financial assets measured at amortised cost. [Refer: Financial assets at amortised cost]"
       }
      }
     },
     "auth_ref": [
      "r298",
      "r487"
     ]
    },
    "ifrs-full_CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceForCurrentFinancialAssetsAtFvtociDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current financial assets at fair value through other comprehensive income",
        "definitionGuidance": "Net Amount",
        "verboseLabel": "Trade receivables, net"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current financial assets at fair value through other comprehensive income. [Refer: Financial assets at fair value through other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r300",
      "r491"
     ]
    },
    "ifrs-full_CurrentFinancialAssetsAtFairValueThroughProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentFinancialAssetsAtFairValueThroughProfitOrLoss",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail": {
       "parentTag": "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current financial assets at fair value through profit or loss",
        "verboseLabel": "Financial assets at fair value through profit or loss - current (Note\u00a07)",
        "terseLabel": "Current"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current financial assets measured at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss]"
       }
      }
     },
     "auth_ref": [
      "r296",
      "r483"
     ]
    },
    "ifrs-full_CurrentFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfCategoriesOfFinancialInstrumentsDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current financial assets at fair value through profit or loss, mandatorily measured at fair value",
        "terseLabel": "Financial assets mandatorily classified as at FVTPL",
        "verboseLabel": "Mandatorily at FVTPL"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current financial assets mandatorily measured at fair value through profit or loss in accordance with IFRS 9. [Refer: Financial assets at fair value through profit or loss, mandatorily measured at fair value]"
       }
      }
     },
     "auth_ref": [
      "r296"
     ]
    },
    "asx_CurrentFinancialAssetsForHedging": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CurrentFinancialAssetsForHedging",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current Financial Assets For Hedging",
        "terseLabel": "Financial asset for hedging - current",
        "documentation": "Current Financial Assets For Hedging."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current financial assets measured at fair value through other comprehensive income",
        "terseLabel": "Financial assets at FVTOCI"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current financial assets measured at fair value through other comprehensive income. [Refer: Financial assets measured at fair value through other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r300",
      "r489"
     ]
    },
    "ifrs-full_CurrentFinancialLiabilitiesAtFairValueThroughProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentFinancialLiabilitiesAtFairValueThroughProfitOrLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail": {
       "parentTag": "ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss",
       "weight": 1.0,
       "order": 4.0
      },
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0,
       "order": 27.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current financial liabilities at fair value through profit or loss",
        "definitionGuidance": "Financial liabilities at fair value through profit or loss - current (Note 7)",
        "terseLabel": "Current"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current financial liabilities measured at fair value through profit or loss. [Refer: Financial liabilities at fair value through profit or loss]"
       }
      }
     },
     "auth_ref": [
      "r297",
      "r486"
     ]
    },
    "ifrs-full_CurrentFinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentFinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current financial liabilities at fair value through profit or loss, classified as held for trading",
        "positiveLabel": "Financial liabilities held for trading",
        "verboseLabel": "Financial liabilities at FVTPL"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current financial liabilities at fair value through profit or loss that meet the definition of held for trading. [Refer: Current financial liabilities at fair value through profit or loss]"
       }
      }
     },
     "auth_ref": [
      "r297",
      "r485"
     ]
    },
    "ifrs-full_CurrentFinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognition": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentFinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognition",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfCategoriesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current financial liabilities at fair value through profit or loss, designated upon initial recognition or subsequently",
        "terseLabel": "Contingent considerations"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current financial liabilities measured at fair value through profit or loss that were designated as such upon initial recognition or subsequently. [Refer: Financial liabilities at fair value through profit or loss, designated upon initial recognition or subsequently]"
       }
      }
     },
     "auth_ref": [
      "r297",
      "r484"
     ]
    },
    "asx_CurrentFinancialLiabilitiesForHedging": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CurrentFinancialLiabilitiesForHedging",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsDetail": {
       "parentTag": "ifrs-full_Borrowings",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0,
       "order": 28.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsDetail",
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current Financial Liabilities For Hedging",
        "definitionGuidance": "Financial liabilities for hedging - current (Notes 20 and 34)",
        "presentationGuidance": "Less: financial liabilities for hedging - current",
        "verboseLabel": "Financial liabilities for hedging - current",
        "documentation": "Current financial liabilities for hedging."
       }
      }
     },
     "auth_ref": []
    },
    "dei_CurrentFiscalYearEndDate": {
     "xbrltype": "gMonthDayItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "CurrentFiscalYearEndDate",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current Fiscal Year End Date",
        "documentation": "End date of current fiscal year in the format --MM-DD."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CurrentInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncome",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfCategoriesOfFinancialInstrumentsDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current investments in equity instruments designated at fair value through other comprehensive income",
        "verboseLabel": "Financial assets at FVTOCI, Investments in equity instruments",
        "terseLabel": "Equity instruments"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current investments in equity instruments that the entity has designated at fair value through other comprehensive income. [Refer: Investments in equity instruments designated at fair value through other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r300",
      "r490"
     ]
    },
    "ifrs-full_CurrentLeaseLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentLeaseLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0,
       "order": 35.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfLeaseLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current lease liabilities",
        "definitionGuidance": "Lease liabilities - current (Note 16)",
        "verboseLabel": "Current"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current lease liabilities. [Refer: Lease liabilities]"
       }
      }
     },
     "auth_ref": [
      "r206"
     ]
    },
    "ifrs-full_CurrentLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_Liabilities",
       "weight": 1.0,
       "order": 25.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current liabilities",
        "totalLabel": "Total current liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of liabilities that: (a) the entity expects to settle in its normal operating cycle; (b) the entity holds primarily for the purpose of trading; (c) are due to be settled within twelve months after the reporting period; or (d) the entity does not have the right at the end of the reporting period to defer settlement for at least twelve months after the reporting period."
       }
      }
     },
     "auth_ref": [
      "r175",
      "r572",
      "r634"
     ]
    },
    "ifrs-full_CurrentLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentLiabilitiesAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current liabilities [abstract]",
        "terseLabel": "CURRENT LIABILITIES"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CurrentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentMember",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceForCurrentFinancialAssetsAtFvtociDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current [member]",
        "terseLabel": "Not past due [member]",
        "verboseLabel": "Not past due [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a current time band."
       }
      }
     },
     "auth_ref": [
      "r649",
      "r662"
     ]
    },
    "asx_CurrentPortionOfCurrentBillsIssued": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CurrentPortionOfCurrentBillsIssued",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current Portion of Current Bills Issued",
        "terseLabel": "Short Term Bills Payable",
        "documentation": "Current Portion of Current Bills Issued."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CurrentPortionOfLongtermBorrowings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentPortionOfLongtermBorrowings",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0,
       "order": 33.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansDetail",
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current portion of non-current borrowings",
        "definitionGuidance": "Current portion of long-term borrowings (Notes 20 and 36)",
        "verboseLabel": "Less: current portion of bank loan"
       }
      },
      "en": {
       "role": {
        "documentation": "The current portion of non-current borrowings. [Refer: Borrowings]"
       }
      }
     },
     "auth_ref": [
      "r854"
     ]
    },
    "asx_CurrentPrepaidIncomeTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CurrentPrepaidIncomeTax",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfCurrentTaxAssetsAndLiabilitiesDetail": {
       "parentTag": "ifrs-full_CurrentTaxAssetsCurrent",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfCurrentTaxAssetsAndLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current prepaid income tax",
        "terseLabel": "Prepaid income tax",
        "documentation": "Current prepaid income tax."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentServiceCostNetDefinedBenefitLiabilityAsset",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail": {
       "parentTag": "asx_PostemploymentBenefitExpenseDefinedBenefitPlansExcludingExecutiveManagers",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current service cost, net defined benefit liability (asset)",
        "terseLabel": "Current service cost"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in the net defined benefit liability (asset) resulting from employee service in the current period. [Refer: Net defined benefit liability (asset)]"
       }
      }
     },
     "auth_ref": [
      "r31",
      "r409"
     ]
    },
    "asx_CurrentTaxAssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CurrentTaxAssetsAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfCurrentTaxAssetsAndLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current tax assets [abstract]",
        "terseLabel": "Current tax assets",
        "documentation": "Current tax assets."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CurrentTaxAssetsCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentTaxAssetsCurrent",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0,
       "order": 7.0
      },
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfCurrentTaxAssetsAndLiabilitiesDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfCurrentTaxAssetsAndLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current tax assets, current",
        "verboseLabel": "Current tax assets (Note 26)",
        "totalLabel": "Current tax assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The current amount of current tax assets. [Refer: Current tax assets]"
       }
      }
     },
     "auth_ref": [
      "r563"
     ]
    },
    "ifrs-full_CurrentTaxExpenseIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentTaxExpenseIncome",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current tax expense (income)",
        "terseLabel": "In respect of the current year"
       }
      }
     },
     "auth_ref": [
      "r605",
      "r676"
     ]
    },
    "ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current tax expense (income) and adjustments for current tax of prior periods",
        "totalLabel": "Current income tax"
       }
      }
     },
     "auth_ref": [
      "r811"
     ]
    },
    "ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current tax expense (income) and adjustments for current tax of prior periods [abstract]",
        "terseLabel": "Current income tax"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CurrentTaxLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentTaxLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfCurrentTaxAssetsAndLiabilitiesDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfCurrentTaxAssetsAndLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current tax liabilities",
        "totalLabel": "Current tax liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current tax for current and prior periods to the extent unpaid. Current tax is the amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period."
       }
      }
     },
     "auth_ref": [
      "r563"
     ]
    },
    "asx_CurrentTaxLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CurrentTaxLiabilitiesAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfCurrentTaxAssetsAndLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current tax liabilities [abstract]",
        "terseLabel": "Current tax liabilities",
        "documentation": "Current tax liabilities."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CurrentTaxLiabilitiesCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentTaxLiabilitiesCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfCurrentTaxAssetsAndLiabilitiesDetail": {
       "parentTag": "ifrs-full_CurrentTaxLiabilities",
       "weight": 1.0,
       "order": 3.0
      },
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0,
       "order": 31.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfCurrentTaxAssetsAndLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current tax liabilities, current",
        "terseLabel": "Current tax liabilities (Note 26)",
        "verboseLabel": "Current"
       }
      },
      "en": {
       "role": {
        "documentation": "The current amount of current tax liabilities. [Refer: Current tax liabilities]"
       }
      }
     },
     "auth_ref": [
      "r563"
     ]
    },
    "ifrs-full_CurrentTaxLiabilitiesNoncurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentTaxLiabilitiesNoncurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfCurrentTaxAssetsAndLiabilitiesDetail": {
       "parentTag": "ifrs-full_CurrentTaxLiabilities",
       "weight": 1.0,
       "order": 4.0
      },
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0,
       "order": 45.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfCurrentTaxAssetsAndLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current tax liabilities, non-current",
        "verboseLabel": "Current tax liabilities - non-current",
        "terseLabel": "Non-current"
       }
      },
      "en": {
       "role": {
        "documentation": "The non-current amount of current tax liabilities. [Refer: Current tax liabilities]"
       }
      }
     },
     "auth_ref": [
      "r563"
     ]
    },
    "asx_CurrentTaxRefundReceivable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CurrentTaxRefundReceivable",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfCurrentTaxAssetsAndLiabilitiesDetail": {
       "parentTag": "ifrs-full_CurrentTaxAssetsCurrent",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfCurrentTaxAssetsAndLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current tax refund receivable",
        "terseLabel": "Tax refund receivable",
        "documentation": "Current tax refund receivable."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CurrentTradeReceivables": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentTradeReceivables",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfCategoriesOfFinancialInstrumentsDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfTradeReceivablesNetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current trade receivables",
        "presentationGuidance": "Trade receivables, net (Note 10)",
        "definitionGuidance": "Total trade receivables",
        "verboseLabel": "Trade receivables, net"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current trade receivables. [Refer: Trade receivables]"
       }
      }
     },
     "auth_ref": [
      "r685",
      "r691",
      "r693"
     ]
    },
    "asx_CustomerOneMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CustomerOneMember",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Customer One [member]",
        "terseLabel": "Customer One [member]",
        "documentation": "Customer one."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CustomerrelatedIntangibleAssetsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CustomerrelatedIntangibleAssetsMember",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail",
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfOtherIntangibleAssetsUsefulLivesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Customer-related intangible assets [member]",
        "terseLabel": "Customer relationships [Member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a class of intangible assets representing assets related to customers. Such assets may include customer lists, order or production backlog, customer contracts and related customer relationships as well as non-contractual customer relationships."
       }
      }
     },
     "auth_ref": [
      "r830"
     ]
    },
    "cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2025",
     "localname": "CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r711",
      "r800"
     ]
    },
    "cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2025",
     "localname": "CybersecurityRiskBoardOfDirectorsOversightTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Board of Directors Oversight [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r711",
      "r800"
     ]
    },
    "cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2025",
     "localname": "CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management Expertise of Management Responsible [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r713",
      "r802"
     ]
    },
    "cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2025",
     "localname": "CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag",
     "presentation": [
      "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management Positions or Committees Responsible [Flag]"
       }
      }
     },
     "auth_ref": [
      "r713",
      "r802"
     ]
    },
    "cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2025",
     "localname": "CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag",
     "presentation": [
      "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]"
       }
      }
     },
     "auth_ref": [
      "r715",
      "r804"
     ]
    },
    "cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2025",
     "localname": "CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management Positions or Committees Responsible [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r713",
      "r802"
     ]
    },
    "cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2025",
     "localname": "CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r706",
      "r795"
     ]
    },
    "cyd_CybersecurityRiskManagementProcessesIntegratedFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2025",
     "localname": "CybersecurityRiskManagementProcessesIntegratedFlag",
     "presentation": [
      "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management Processes Integrated [Flag]"
       }
      }
     },
     "auth_ref": [
      "r707",
      "r796"
     ]
    },
    "cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2025",
     "localname": "CybersecurityRiskManagementProcessesIntegratedTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management Processes Integrated [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r707",
      "r796"
     ]
    },
    "cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2025",
     "localname": "CybersecurityRiskManagementStrategyAndGovernanceAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management, Strategy, and Governance [Abstract]"
       }
      }
     },
     "auth_ref": [
      "r705",
      "r794"
     ]
    },
    "cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2025",
     "localname": "CybersecurityRiskManagementStrategyAndGovernanceLineItems",
     "presentation": [
      "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management, Strategy, and Governance [Line Items]"
       }
      }
     },
     "auth_ref": [
      "r705",
      "r794"
     ]
    },
    "cyd_CybersecurityRiskManagementStrategyAndGovernanceTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2025",
     "localname": "CybersecurityRiskManagementStrategyAndGovernanceTable",
     "presentation": [
      "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management, Strategy, and Governance [Table]"
       }
      }
     },
     "auth_ref": [
      "r705",
      "r794"
     ]
    },
    "cyd_CybersecurityRiskManagementThirdPartyEngagedFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2025",
     "localname": "CybersecurityRiskManagementThirdPartyEngagedFlag",
     "presentation": [
      "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Management Third Party Engaged [Flag]"
       }
      }
     },
     "auth_ref": [
      "r708",
      "r797"
     ]
    },
    "cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2025",
     "localname": "CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag",
     "presentation": [
      "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]"
       }
      }
     },
     "auth_ref": [
      "r710",
      "r799"
     ]
    },
    "cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2025",
     "localname": "CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r710",
      "r799"
     ]
    },
    "cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2025",
     "localname": "CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r711",
      "r800"
     ]
    },
    "cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2025",
     "localname": "CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r714",
      "r803"
     ]
    },
    "cyd_CybersecurityRiskRoleOfManagementTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2025",
     "localname": "CybersecurityRiskRoleOfManagementTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Role of Management [Text Block]"
       }
      }
     },
     "auth_ref": [
      "r712",
      "r801"
     ]
    },
    "cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/cyd/2025",
     "localname": "CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag",
     "presentation": [
      "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]"
       }
      }
     },
     "auth_ref": [
      "r709",
      "r798"
     ]
    },
    "asx_CylandCorpMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "CylandCorpMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Cyland Corp [Member]",
        "terseLabel": "Cyland Corp. [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DHInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DHInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "D H Investor [Member]",
        "verboseLabel": "DH [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DateOfAcquisition2013": {
     "xbrltype": "dateItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DateOfAcquisition2013",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfSubsidiaryAcquiredDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Date of acquisition",
        "terseLabel": "Date of Acquisition"
       }
      },
      "en": {
       "role": {
        "documentation": "The date on which the acquirer obtains control of the acquiree in a business combination."
       }
      }
     },
     "auth_ref": [
      "r248",
      "r473"
     ]
    },
    "asx_DebtConversionConvertedInstrumentSharesIssued": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DebtConversionConvertedInstrumentSharesIssued",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Conversion, Converted Instrument, Shares Issued",
        "terseLabel": "Debt conversion, converted Instrument, shares issued",
        "documentation": "Debt conversion, converted Instrument, shares issued."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DebtConversionOriginalDebtAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DebtConversionOriginalDebtAmount",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Conversion Original Debt Amount",
        "terseLabel": "Debt conversion, original debt, amount",
        "documentation": "Debt conversion, original debt, amount."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DebtInstrumentsAmountContributedToFairValueOfPlanAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DebtInstrumentsAmountContributedToFairValueOfPlanAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfFairValueOfThePlanAssetsByMajorCategoriesDetail": {
       "parentTag": "ifrs-full_PlanAssetsAtFairValue",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfFairValueOfThePlanAssetsByMajorCategoriesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt instruments, amount contributed to fair value of plan assets",
        "terseLabel": "Debt instruments"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount instruments representing debt (rather than equity) contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [domain]]"
       }
      }
     },
     "auth_ref": [
      "r614",
      "r681"
     ]
    },
    "asx_DebtInstrumentsAtFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DebtInstrumentsAtFairValueThroughOtherComprehensiveIncome",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax",
       "weight": -1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Debt Instruments At Fair Value Through Other Comprehensive Income",
        "negatedLabel": "Unrealized loss on debt investments at fair value through other comprehensive income",
        "documentation": "Debt instruments at fair value through other comprehensive income."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DecaMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DecaMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "DECA [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DecaTechnologiesIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DecaTechnologiesIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deca Technologies Inc [member]",
        "terseLabel": "Deca Technologies Inc. [member]",
        "documentation": "Deca Technologies Inc."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DecreaseInOtherReceivablesFairValueMeasurement": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DecreaseInOtherReceivablesFairValueMeasurement",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfNonCashActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Decrease In Other Receivables Fair Value Measurement",
        "terseLabel": "Decrease in other receivables",
        "documentation": "Decrease in other receivables fair value measurement."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnrecognizedDeferredTaxAssetsRelatedToLossCarryForwardInvestmentCreditsAndDeductibleTemporaryDifferencesDetail": {
       "parentTag": "asx_UnrecognizedDeferredTaxAssets",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnrecognizedDeferredTaxAssetsRelatedToLossCarryForwardInvestmentCreditsAndDeductibleTemporaryDifferencesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deductible temporary differences for which no deferred tax asset is recognised",
        "terseLabel": "Deductible temporary differences"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of deductible temporary differences for which no deferred tax asset is recognised in the statement of financial position. [Refer: Temporary differences [member]]"
       }
      }
     },
     "auth_ref": [
      "r6",
      "r389"
     ]
    },
    "asx_DeferredGainOnTransferOfLandMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DeferredGainOnTransferOfLandMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred gain on transfer of land [member]",
        "terseLabel": "Deferred gain on transfer of land [member]",
        "documentation": "Deferred gain on transfer of land."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DeferredTaxAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DeferredTaxAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0,
       "order": 20.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred tax assets",
        "terseLabel": "Deferred tax assets (Note 26)"
       }
      },
      "en": {
       "role": {
        "documentation": "The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]]"
       }
      }
     },
     "auth_ref": [
      "r8",
      "r390",
      "r564",
      "r568"
     ]
    },
    "asx_DeferredTaxAssetsLiabilitiesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DeferredTaxAssetsLiabilitiesAxis",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred tax assets (liabilities) [Axis]",
        "documentation": "Deferred tax assets (liabilities)"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DeferredTaxAssetsLiabilitiesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DeferredTaxAssetsLiabilitiesDomain",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred tax assets (liabilities) [Domain]",
        "documentation": "Deferred tax assets (liabilities)"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DeferredTaxAssetsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DeferredTaxAssetsMember",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred tax assets [Member]",
        "terseLabel": "Deferred tax assets [member]",
        "documentation": "Deferred tax assets"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DeferredTaxExpenseIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DeferredTaxExpenseIncome",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred tax expense (income)",
        "terseLabel": "In respect of the current year"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of tax expense (income) relating to changes in deferred tax liabilities and deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities]"
       }
      }
     },
     "auth_ref": [
      "r9",
      "r391"
     ]
    },
    "ifrs-full_DeferredTaxExpenseIncomeAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DeferredTaxExpenseIncomeAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred tax expense (income) [abstract]",
        "terseLabel": "Deferred income tax"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DeferredTaxExpenseIncomeRecognisedInProfitOrLoss",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred tax expense (income) recognised in profit or loss",
        "totalLabel": "Deferred income tax",
        "negatedLabel": "Recognized in Profit or Loss"
       }
      }
     },
     "auth_ref": [
      "r9",
      "r391"
     ]
    },
    "ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss",
       "weight": 1.0,
       "order": 9.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred tax expense (income) relating to origination and reversal of temporary differences",
        "terseLabel": "Effect of foreign currency exchange differences"
       }
      }
     },
     "auth_ref": [
      "r607",
      "r678"
     ]
    },
    "ifrs-full_DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred tax expense (income) relating to tax rate changes or imposition of new taxes",
        "terseLabel": "Changes in tax rates"
       }
      }
     },
     "auth_ref": [
      "r608",
      "r679"
     ]
    },
    "ifrs-full_DeferredTaxLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DeferredTaxLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0,
       "order": 40.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred tax liabilities",
        "terseLabel": "Deferred tax liabilities (Note 26)"
       }
      },
      "en": {
       "role": {
        "documentation": "The amounts of income taxes payable in future periods in respect of taxable temporary differences. [Refer: Temporary differences [member]]"
       }
      }
     },
     "auth_ref": [
      "r8",
      "r390",
      "r564",
      "r568"
     ]
    },
    "asx_DeferredTaxLiabilitiesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DeferredTaxLiabilitiesMember",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred tax liabilities [Member]",
        "terseLabel": "Deferred tax liabilities [member]",
        "documentation": "Deferred tax liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DeferredTaxLiabilityAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DeferredTaxLiabilityAsset",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred tax liability (asset)",
        "negatedPeriodStartLabel": "Balance at January 1",
        "negatedPeriodEndLabel": "Balance at December 31"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of deferred tax liabilities or assets. [Refer: Deferred tax liabilities; Deferred tax assets]"
       }
      }
     },
     "auth_ref": [
      "r8",
      "r390"
     ]
    },
    "ifrs-full_DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfIncomeTaxRecognizedDirectlyInEquityDetail",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Deferred tax relating to items credited (charged) directly to equity",
        "terseLabel": "Equity components of convertible bonds",
        "verboseLabel": "Recognized in Equity"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of deferred tax related to items credited (charged) directly to equity. [Refer: Deferred tax expense (income)]"
       }
      }
     },
     "auth_ref": [
      "r2",
      "r385"
     ]
    },
    "asx_DeferredtaxDeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferencesexpenseincomerelatingtooriginationandreversaloftemporarydifferences": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DeferredtaxDeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferencesexpenseincomerelatingtooriginationandreversaloftemporarydifferences",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences",
        "terseLabel": "The origination and reversal of temporary differences",
        "documentation": "DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DefinedBenefitObligationAtPresentValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DefinedBenefitObligationAtPresentValue",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfDefinedBenefitPlansAmountsIncludedInConsolidatedBalanceSheetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Defined benefit obligation, at present value",
        "terseLabel": "Present value of the defined benefit obligation"
       }
      },
      "en": {
       "role": {
        "documentation": "The present value, without deducting any plan assets, of expected future payments required to settle the obligation resulting from employee service in the current and prior periods. [Refer: Plan assets, at fair value]"
       }
      }
     },
     "auth_ref": [
      "r823"
     ]
    },
    "asx_DefinedBenefitPlanRecordedUnderOthersPayables": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DefinedBenefitPlanRecordedUnderOthersPayables",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfDefinedBenefitPlansAmountsIncludedInConsolidatedBalanceSheetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Defined Benefit Plan Recorded under others payables",
        "negatedLabel": "Recorded under other payables",
        "documentation": "Defined benefit plan recorded under others payables."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DefinedBenefitPlansAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DefinedBenefitPlansAxis",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Defined benefit plans [axis]",
        "terseLabel": "Defined benefit plans [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r27",
      "r405"
     ]
    },
    "ifrs-full_DefinedBenefitPlansDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DefinedBenefitPlansDomain",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Defined benefit plans [domain]",
        "terseLabel": "Defined benefit plans [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for post-employment benefit plans other than defined contribution plans. Defined contribution plans are post-employment benefit plans under which an entity pays fixed contributions into a separate entity (a fund) and will have no legal or constructive obligation to pay further contributions if the fund does not hold sufficient assets to pay all employee benefits relating to employee service in the current and prior periods. It also represents the standard value for the 'Defined benefit plans' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r27",
      "r405"
     ]
    },
    "ifrs-full_DepreciationAndAmortisationExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DepreciationAndAmortisationExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfDepreciationAndAmortizationDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfDepreciationAndAmortizationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Depreciation and amortisation expense",
        "totalLabel": "Depreciation and amortization",
        "negatedLabel": "Depreciation and amortization"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of depreciation and amortisation expense. Depreciation and amortisation are the systematic allocations of depreciable amounts of assets over their useful lives."
       }
      }
     },
     "auth_ref": [
      "r181",
      "r309",
      "r319",
      "r540",
      "r602",
      "r688"
     ]
    },
    "ifrs-full_DepreciationAndAmortisationExpenseAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DepreciationAndAmortisationExpenseAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Depreciation and amortisation expense [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DepreciationExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DepreciationExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 38.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfDepreciationAndAmortizationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Depreciation expense",
        "terseLabel": "Depreciation expense"
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "ifrs-full_DepreciationInvestmentProperty": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DepreciationInvestmentProperty",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfDepreciationAndAmortizationDetail": {
       "parentTag": "ifrs-full_DepreciationAndAmortisationExpense",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfDepreciationAndAmortizationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Depreciation, investment property",
        "terseLabel": "Depreciation expenses",
        "verboseLabel": "Investment properties"
       }
      }
     },
     "auth_ref": [
      "r121",
      "r126",
      "r450",
      "r455"
     ]
    },
    "ifrs-full_DepreciationMethodPropertyPlantAndEquipment": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DepreciationMethodPropertyPlantAndEquipment",
     "presentation": [
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLivesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Depreciation method, property, plant and equipment",
        "terseLabel": "Property, plant and equipment useful lives"
       }
      },
      "en": {
       "role": {
        "documentation": "The depreciation method used for property, plant and equipment. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r12",
      "r393"
     ]
    },
    "ifrs-full_DepreciationPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DepreciationPropertyPlantAndEquipment",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfDepreciationAndAmortizationDetail": {
       "parentTag": "ifrs-full_DepreciationAndAmortisationExpense",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfDepreciationAndAmortizationDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Depreciation, property, plant and equipment",
        "terseLabel": "Depreciation expense",
        "verboseLabel": "Property, plant and equipment"
       }
      }
     },
     "auth_ref": [
      "r18",
      "r24",
      "r399"
     ]
    },
    "ifrs-full_DepreciationRightofuseAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DepreciationRightofuseAssets",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfDepreciationAndAmortizationDetail": {
       "parentTag": "ifrs-full_DepreciationAndAmortisationExpense",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfRightOfUseAssetsDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfDepreciationAndAmortizationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Depreciation, right-of-use assets",
        "terseLabel": "Depreciation of right-of-use assets",
        "verboseLabel": "Right-of-use assets"
       }
      }
     },
     "auth_ref": [
      "r207",
      "r335"
     ]
    },
    "asx_DerivativeFinancialInstrumentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DerivativeFinancialInstrumentsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Derivative financial instruments [member]",
        "terseLabel": "Derivative financial instruments [member]",
        "documentation": "Derivative financial instruments [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DerivativeOutstandingContractsNotAccountedForHedgeAccountingExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DerivativeOutstandingContractsNotAccountedForHedgeAccountingExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Derivative outstanding contracts not accounted for hedge accounting [text block]",
        "terseLabel": "Summary of Outstanding Contracts Not Accounted for Hedge Accounting",
        "documentation": "Derivative outstanding contracts not accounted for hedge accounting."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DerivativeOutstandingContractsNotAccountedForHedgeAccountingExplanatoryTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DerivativeOutstandingContractsNotAccountedForHedgeAccountingExplanatoryTableTextBlock",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Derivative Outstanding Contracts Not Accounted For Hedge Accounting Explanatory [Table Text Block]",
        "terseLabel": "Summary of Outstanding accumulator Contracts Not Accounted for Hedge Accounting",
        "documentation": "Derivative outstanding contracts not accounted for hedge accounting explanatory."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DescriptionOfAccountingPolicyForBorrowingCostsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForBorrowingCostsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for borrowing costs [text block]",
        "terseLabel": "Borrowing Costs"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for interest and other costs that the entity incurs in connection with the borrowing of funds."
       }
      }
     },
     "auth_ref": [
      "r852"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for business combinations [text block]",
        "terseLabel": "Business Combinations"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for business combinations. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r852"
     ]
    },
    "asx_DescriptionOfAccountingPolicyForClassificationOfCurrentAndNoncurrentAssetsAndLiabilitiesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DescriptionOfAccountingPolicyForClassificationOfCurrentAndNoncurrentAssetsAndLiabilitiesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for classification of current and noncurrent assets and liabilities [text block]",
        "terseLabel": "Classification of Current and Non-current Assets and Liabilities",
        "documentation": "The description of the entity's accounting policy for classification of current and noncurrent assets and liabilities."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for employee benefits [text block]",
        "terseLabel": "Employee Benefits"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for employee benefits. Employee benefits are all forms of consideration given by an entity in exchange for services rendered by employees or for the termination of employment."
       }
      }
     },
     "auth_ref": [
      "r852"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for financial instruments [text block]",
        "terseLabel": "Financial Instruments"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for financial instruments. [Refer: Classes of financial instruments [domain]]"
       }
      }
     },
     "auth_ref": [
      "r852"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for foreign currency translation [text block]",
        "terseLabel": "Foreign Currencies"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for foreign currency translation."
       }
      }
     },
     "auth_ref": [
      "r852"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForGoodwillExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForGoodwillExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for goodwill [text block]",
        "terseLabel": "Goodwill"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for goodwill. [Refer: Goodwill]"
       }
      }
     },
     "auth_ref": [
      "r852"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForGovernmentGrants": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForGovernmentGrants",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for government grants [text block]",
        "terseLabel": "Government Grants"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for government grants, including the methods of presentation adopted in the financial statements. [Refer: Government [member]; Government grants]"
       }
      }
     },
     "auth_ref": [
      "r55",
      "r416"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForHedgingExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForHedgingExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for hedging [text block]",
        "terseLabel": "Hedge Accounting"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for hedging."
       }
      }
     },
     "auth_ref": [
      "r852"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for impairment of assets [text block]",
        "terseLabel": "Impairment of Tangible and Intangible Assets Other than Goodwill"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for the impairment of assets."
       }
      }
     },
     "auth_ref": [
      "r852"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForIncomeTaxExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for income tax [text block]",
        "terseLabel": "Taxation"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for income tax."
       }
      }
     },
     "auth_ref": [
      "r852"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for intangible assets other than goodwill [text block]",
        "terseLabel": "Other Intangible Assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for intangible assets other than goodwill. [Refer: Intangible assets other than goodwill]"
       }
      }
     },
     "auth_ref": [
      "r852"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForInvestmentInAssociatesAndJointVenturesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for investment in associates and joint ventures [text block]",
        "terseLabel": "Investments in Associates and Joint Ventures"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for investment in associates and joint ventures. [Refer: Total for all associates [member]; Total for all joint ventures [member]]"
       }
      }
     },
     "auth_ref": [
      "r852"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForInvestmentPropertyExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForInvestmentPropertyExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for investment property [text block]",
        "terseLabel": "Investment Properties"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for investment property. [Refer: Investment property]"
       }
      }
     },
     "auth_ref": [
      "r852"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForLeasesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for leases [text block]",
        "verboseLabel": "Leases"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for leases. A lease is an agreement whereby the lessor conveys to the lessee in return for a payment or series of payments the right to use an asset for an agreed period of time."
       }
      }
     },
     "auth_ref": [
      "r852"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForMeasuringInventories": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForMeasuringInventories",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for measuring inventories [text block]",
        "terseLabel": "Inventories and Inventories Related to Real Estate Business"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's accounting policy for measuring inventories. [Refer: Inventories]"
       }
      }
     },
     "auth_ref": [
      "r49",
      "r366"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for property, plant and equipment [text block]",
        "terseLabel": "Property, Plant and Equipment"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for property, plant and equipment. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r852"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForRecognitionOfRevenue": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForRecognitionOfRevenue",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for recognition of revenue [text block]",
        "terseLabel": "Revenue Recognition"
       }
      }
     },
     "auth_ref": [
      "r852"
     ]
    },
    "ifrs-full_DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of accounting policy for share-based payment transactions [text block]",
        "terseLabel": "Share-based Payment Arrangements"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the entity's material accounting policy information for transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services. [Refer: Types of share-based payment arrangements [domain]]"
       }
      }
     },
     "auth_ref": [
      "r852"
     ]
    },
    "ifrs-full_DescriptionOfAcquiree": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfAcquiree",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of acquiree",
        "terseLabel": "Description of Acquiree"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the business or businesses that the acquirer obtains control of in a business combination. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r247",
      "r472"
     ]
    },
    "ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfDiscountRatesAppliedToCashFlowProjections",
     "presentation": [
      "http://www.aseglobal.com/role/GoodwillAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Discount rate applied to cash flow projections",
        "terseLabel": "Discount rate applied to cash flow projections"
       }
      },
      "en": {
       "role": {
        "documentation": "The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Total for all cash-generating units [member]]"
       }
      }
     },
     "auth_ref": [
      "r96",
      "r98",
      "r432",
      "r434"
     ]
    },
    "ifrs-full_DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfDiscountRatesUsedInCurrentEstimateOfValueInUse",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Discount rate used in current estimate of value in use",
        "terseLabel": "Discount rate used in current estimate of value in use"
       }
      },
      "en": {
       "role": {
        "documentation": "The discount rate used in the current estimate of the present value of the future cash flows expected to be derived from an asset or cash-generating unit."
       }
      }
     },
     "auth_ref": [
      "r94"
     ]
    },
    "ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations",
     "presentation": [
      "http://www.aseglobal.com/role/ApplicationOfNewAmendedAndRevisedInternationalFinancialReportingStandardsAsIssuedByTheInternationalAccountingStandardsBoardIasbCollectivelyIfrsAccountingStandards"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of expected impact of initial application of new standards or interpretations [text block]",
        "verboseLabel": "APPLICATION OF NEW, AMENDED AND REVISED INTERNATIONAL FINANCIAL REPORTING STANDARDS AS ISSUED BY THE INTERNATIONAL ACCOUNTING STANDARDS BOARD (\"IASB\") (collectively, \"IFRS Accounting Standards\")"
       }
      }
     },
     "auth_ref": [
      "r152",
      "r380"
     ]
    },
    "ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfExpectedVolatilityShareOptionsGranted",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfFairValueUsingTrinomialTreeModelAndInputsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expected volatility, share options granted",
        "terseLabel": "Expected volatility"
       }
      },
      "en": {
       "role": {
        "documentation": "The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time."
       }
      }
     },
     "auth_ref": [
      "r244"
     ]
    },
    "ifrs-full_DescriptionOfMaximumTermOfOptionsGrantedForSharebasedPaymentArrangement": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfMaximumTermOfOptionsGrantedForSharebasedPaymentArrangement",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of maximum term of options granted for share-based payment arrangement",
        "terseLabel": "Valid term of share option plans"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the maximum term of options granted for a type of share-based payment arrangement that existed at any time during the period. An entity with substantially similar types of share-based payment arrangements may aggregate this information. [Refer: Types of share-based payment arrangements [domain]]"
       }
      }
     },
     "auth_ref": [
      "r232",
      "r462"
     ]
    },
    "ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfSubsidiaryAcquiredDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInJointVenturesAccountedForUsingTheEquityMethodDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of nature of entity's operations and principal activities",
        "terseLabel": "Main Business",
        "verboseLabel": "Principal Activity"
       }
      },
      "en": {
       "role": {
        "documentation": "The description of the nature of the entity's operations and principal activities."
       }
      }
     },
     "auth_ref": [
      "r355",
      "r532",
      "r551"
     ]
    },
    "asx_DescriptionOfOptionLifeLockedShareOptionsGranted": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DescriptionOfOptionLifeLockedShareOptionsGranted",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfFairValueUsingTrinomialTreeModelAndInputsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description Of Option Life Locked Share Options Granted",
        "terseLabel": "Lock-up periods",
        "documentation": "Description of option life locked share options granted."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfRiskFreeInterestRateShareOptionsGranted",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfFairValueUsingTrinomialTreeModelAndInputsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Risk free interest rate, share options granted",
        "terseLabel": "Risk free interest rate"
       }
      },
      "en": {
       "role": {
        "documentation": "The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]]"
       }
      }
     },
     "auth_ref": [
      "r244"
     ]
    },
    "ifrs-full_DescriptionOfUsefulLifeInvestmentPropertyCostModel": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfUsefulLifeInvestmentPropertyCostModel",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesInvestmentPropertiesDepreciatedOnAStraightLineBasisOverUsefulLivesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Description of useful life, investment property, cost model",
        "terseLabel": "Investment properties are depreciated using the straight-line method over their estimated useful lives"
       }
      },
      "en": {
       "role": {
        "documentation": "Description of useful life used for investment property. [Refer: Investment property]"
       }
      }
     },
     "auth_ref": [
      "r122",
      "r451"
     ]
    },
    "asx_DetailedInformationAboutAppropriationOfRetainedEarningsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DetailedInformationAboutAppropriationOfRetainedEarningsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Detailed Information About Appropriation Of Retained Earnings [Abstract]",
        "documentation": "Detailed information about appropriation of retained earnings."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DhMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DhMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "DH [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DifferenceBetweenConsiderationReceivedOrPaidAndCarryingAmountOfSubsidiariesNetAssetsUponActualDisposalOrAcquisitionEffectOnAdditionalPaidinCapital": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DifferenceBetweenConsiderationReceivedOrPaidAndCarryingAmountOfSubsidiariesNetAssetsUponActualDisposalOrAcquisitionEffectOnAdditionalPaidinCapital",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail": {
       "parentTag": "asx_SharePremiumMayBeUsedToOffsetDeficitDistributedAsCashDividendsOrTransferredToShareCapital",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Difference between consideration received or paid and carrying amount of subsidiaries' net assets upon actual disposal or acquisition effect on additional paid-in capital",
        "terseLabel": "Difference between consideration and the carrying amount of the subsidiaries' net assets during actual disposal or acquisition",
        "documentation": "Difference between consideration received or paid and carrying amount of subsidiaries' net assets upon actual disposal or acquisition effect on additional paid-in capital."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DifferenceBetweenEmployeeCompensationBenefitsAndDirectorRemunerationAdjustedInNetProfit": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DifferenceBetweenEmployeeCompensationBenefitsAndDirectorRemunerationAdjustedInNetProfit",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Difference Between Employee Compensation Benefits And Director Remuneration Adjusted In Net Profit",
        "terseLabel": "Difference Between Employee Compensation Benefits And Director Remuneration Adjusted In Net Profit",
        "documentation": "Difference Between Employee Compensation Benefits And Director Remuneration Adjusted In Net Profit"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DilutedEarningsLossPerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DilutedEarningsLossPerShare",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Diluted earnings (loss) per share",
        "verboseLabel": "Diluted"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator), divided by the weighted average number of ordinary shares outstanding during the period (the denominator), both adjusted for the effects of all dilutive potential ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r83",
      "r84"
     ]
    },
    "asx_DilutiveEffectOfEmployeeRestrictedStockAwards": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DilutiveEffectOfEmployeeRestrictedStockAwards",
     "presentation": [
      "http://www.aseglobal.com/role/EarningsPerShareSummaryOfEarningsAndWeightedAverageNumberOfOrdinarySharesOutstandingInComputationOfEarningsPerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dilutive effect of employee restricted stock awards",
        "terseLabel": "Employee restricted stock awards",
        "documentation": "Dilutive effect of employee restricted stock awards."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DilutiveEffectOfEmployeesCompensation": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DilutiveEffectOfEmployeesCompensation",
     "presentation": [
      "http://www.aseglobal.com/role/EarningsPerShareSummaryOfEarningsAndWeightedAverageNumberOfOrdinarySharesOutstandingInComputationOfEarningsPerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dilutive effect of employees' compensation",
        "terseLabel": "Employees' compensation",
        "documentation": "Dilutive effect of employees' compensation."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DilutiveEffectOfShareOptionsOnNumberOfOrdinaryShares",
     "presentation": [
      "http://www.aseglobal.com/role/EarningsPerShareSummaryOfEarningsAndWeightedAverageNumberOfOrdinarySharesOutstandingInComputationOfEarningsPerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dilutive effect of share options on number of ordinary shares",
        "terseLabel": "Employee share options"
       }
      },
      "en": {
       "role": {
        "documentation": "The potential dilutive effect on the weighted average number of ordinary shares that relate to the assumed exercise of the entity's share options."
       }
      }
     },
     "auth_ref": [
      "r827"
     ]
    },
    "ifrs-full_DirectOperatingExpenseFromInvestmentPropertyAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DirectOperatingExpenseFromInvestmentPropertyAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Direct operating expense from investment property [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DirectOperatingExpenseFromInvestmentPropertyGeneratingRentalIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DirectOperatingExpenseFromInvestmentPropertyGeneratingRentalIncome",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOperatingExpensesDirectlyRelatedToInvestmentPropertiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Direct operating expense from investment property generating rental income",
        "terseLabel": "Direct operating expenses of investment properties that generated rental income"
       }
      }
     },
     "auth_ref": [
      "r116"
     ]
    },
    "ifrs-full_DirectorsRemunerationExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DirectorsRemunerationExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantEventsAfterReportingPeriodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Directors' remuneration expense",
        "terseLabel": "Remuneration to directors"
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "asx_DirectorsRemunerationPayable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DirectorsRemunerationPayable",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeesCompensationAndRemunerationToDirectorsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Directors Remuneration Payable",
        "verboseLabel": "Remuneration to directors",
        "documentation": "Directors remuneration payable."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureDetailedInformationAboutOthersAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureDetailedInformationAboutOthersAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Detailed Information About Others [abstract]",
        "documentation": "Disclosure Detailed Information About Others [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureDetailedInformationAboutOthersLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureDetailedInformationAboutOthersLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Detailed Information About Others [Line Items]",
        "documentation": "Disclosure detailed information about others."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureDetailedInformationAboutOthersTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureDetailedInformationAboutOthersTable",
     "presentation": [
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Detailed Information About Others [Table]",
        "documentation": "Disclosure detailed information about others."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureForLossAllowanceForCurrentFinancialAssetsAtFairValueRoutedThroughOtherComprehensiveIncomeLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureForLossAllowanceForCurrentFinancialAssetsAtFairValueRoutedThroughOtherComprehensiveIncomeLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceForCurrentFinancialAssetsAtFvtociDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure For Loss Allowance For Current Financial Assets At Fair Value Routed Through Other Comprehensive Income [Line Items]",
        "verboseLabel": "Disclosure For Loss Allowance For Current Financial Assets At FVTOCI [Line Items]",
        "documentation": "Disclosure For Loss Allowance For Current Financial Assets At Fair Value Routed Through Other Comprehensive Income."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureForLossAllowanceForCurrentFinancialAssetsAtFairValueRoutedThroughOtherComprehensiveIncomeTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureForLossAllowanceForCurrentFinancialAssetsAtFairValueRoutedThroughOtherComprehensiveIncomeTable",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceForCurrentFinancialAssetsAtFvtociDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure For Loss Allowance For Current Financial Assets At Fair Value Routed Through Other Comprehensive Income [Table]",
        "verboseLabel": "Disclosure For Loss Allowance For Current Financial Assets At FVTOCI [Table]",
        "documentation": "Disclosure For Loss Allowance For Current Financial Assets At Fair Value Routed Through Other Comprehensive Income."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureForLossAllowanceForCurrentFinancialAssetsAtFairValueRoutedThroughOtherComprehensiveIncomeTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureForLossAllowanceForCurrentFinancialAssetsAtFairValueRoutedThroughOtherComprehensiveIncomeTableTextBlock",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure For Loss Allowance For Current Financial Assets At Fair Value Routed Through Other Comprehensive Income [Table Text Block]",
        "terseLabel": "Summary of Loss Allowance For Current Financial Assets At Fair Value Routed Through Other Comprehensive Income",
        "documentation": "Disclosure For Loss Allowance For Current Financial Assets At Fair Value Routed Through Other Comprehensive Income."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfAccountingJudgementsAndEstimatesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/MaterialAccountingJudgmentsAndKeySourcesOfEstimationUncertainty"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of accounting judgements and estimates [text block]",
        "terseLabel": "Material Accounting Judgments and Key Sources of Estimation Uncertainty"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of judgements that management has made in the process of applying the entity's accounting policies that have the most significant effect on amounts recognised in the financial statements along with information about the assumptions that the entity makes about the future, and other major sources of estimation uncertainty at the end of the reporting period, that have a significant risk of resulting in a material adjustment to the carrying amounts of assets and liabilities within the next year. [Refer: Carrying amount [member]]"
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "asx_DisclosureOfAggregateFinancialInformationOfAssociatesThatAreNotIndividuallyMaterialExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfAggregateFinancialInformationOfAssociatesThatAreNotIndividuallyMaterialExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Aggregate Financial Information Of Associates That Are Not Individually Material Explanatory [text block]",
        "terseLabel": "Summary of Aggregate Information of Associates that are Not Individually Material",
        "documentation": "Disclosure of aggregate financial information of associates that are not individually material."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfAppropriationsOfEmployeeCompensationAndDirectorsAndSupervisorsRemunerationExplanatoryTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfAppropriationsOfEmployeeCompensationAndDirectorsAndSupervisorsRemunerationExplanatoryTextBlock",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Appropriations Of Employee Compensation And Directors And Supervisors Remuneration Explanatory [Text Block]",
        "verboseLabel": "Summary of Appropriations of Employees' Compensation (Settled by Cash) and Remuneration to Directors",
        "documentation": "Disclosure of appropriations of employee compensation and directors and supervisors remuneration."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfAssetsAndLiabilitiesDenominatedInForeignCurrenciesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfAssetsAndLiabilitiesDenominatedInForeignCurrenciesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of assets and liabilities denominated in foreign currencies explanatory",
        "terseLabel": "Summary of Significant Assets and Liabilities Denominated in Foreign Currencies",
        "documentation": "Disclosure of assets and liabilities denominated in foreign currencies."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfAssociatesAndJointVenturesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfAssociatesAndJointVenturesLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfAssociatesThatAreNotIndividuallyMaterialDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfFairValuesOfInvestmentsInAssociatesWithAvailablePublishedPriceQuotationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of associates and joint ventures [line items]",
        "terseLabel": "Disclosure of associates and joint ventures [line items]",
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information about associate and joint ventures associated with domain members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfAuthorisationOfFinancialStatementsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfAuthorisationOfFinancialStatementsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/ApprovalOfFinancialStatements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of authorisation of financial statements [text block]",
        "terseLabel": "Approval of Financial Statements"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the authorisation of financial statements for issue."
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "ifrs-full_DisclosureOfBasisOfConsolidationExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfBasisOfConsolidationExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of basis of consolidation [text block]",
        "terseLabel": "Basis of Consolidation"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the basis used for consolidation."
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of basis of preparation of financial statements [text block]",
        "terseLabel": "Basis of Preparation"
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "ifrs-full_DisclosureOfBorrowingCostsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfBorrowingCostsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of borrowing costs [text block]",
        "terseLabel": "Summary of Capitalized Borrowing Costs"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for borrowing costs."
       }
      }
     },
     "auth_ref": [
      "r62"
     ]
    },
    "ifrs-full_DisclosureOfBorrowingsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfBorrowingsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/Borrowings"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of borrowings [text block]",
        "terseLabel": "Borrowings"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of borrowings. [Refer: Borrowings]"
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "ifrs-full_DisclosureOfBusinessCombinationsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfBusinessCombinationsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about business combination [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfBusinessCombinationsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfBusinessCombinationsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinations"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of business combinations [text block]",
        "terseLabel": "Business Combinations"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for business combinations."
       }
      }
     },
     "auth_ref": [
      "r262"
     ]
    },
    "ifrs-full_DisclosureOfBusinessCombinationsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfBusinessCombinationsLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfConsiderationTransferredInBusinessCombinationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfGoodwillRecognizedOnAcquisitionsDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfImpactOfAcquisitionsByComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfNetCashOutflowOnAcquisitionOfSubsidiaryDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfSubsidiaryAcquiredDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about business combination [line items]",
        "terseLabel": "Disclosure of detailed information about business combination [Line Items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfBusinessCombinationsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfBusinessCombinationsTable",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfConsiderationTransferredInBusinessCombinationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfGoodwillRecognizedOnAcquisitionsDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfImpactOfAcquisitionsByComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfNetCashOutflowOnAcquisitionOfSubsidiaryDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfSubsidiaryAcquiredDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about business combination [table]",
        "terseLabel": "Disclosure of detailed information about business combination [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of business combinations."
       }
      }
     },
     "auth_ref": [
      "r255",
      "r478"
     ]
    },
    "ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfCashAndCashEquivalentsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/CashAndCashEquivalents"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of cash and cash equivalents [text block]",
        "terseLabel": "Cash and Cash Equivalents"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of cash and cash equivalents. [Refer: Cash and cash equivalents]"
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "ifrs-full_DisclosureOfCashFlowStatementExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfCashFlowStatementExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of cash flow statement [text block]",
        "terseLabel": "Cash Flow Information"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for a statement of cash flows."
       }
      }
     },
     "auth_ref": [
      "r149"
     ]
    },
    "ifrs-full_DisclosureOfClassesOfShareCapitalAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfClassesOfShareCapitalAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of classes of share capital [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfClassesOfShareCapitalExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/EquityTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of classes of share capital [text block]",
        "terseLabel": "Summary of Share Capital"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of classes of share capital. [Refer: Classes of share capital [domain]]"
       }
      }
     },
     "auth_ref": [
      "r362",
      "r526",
      "r581"
     ]
    },
    "ifrs-full_DisclosureOfClassesOfShareCapitalLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfClassesOfShareCapitalLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of classes of share capital [line items]",
        "terseLabel": "Disclosure of classes of share capital [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfClassesOfShareCapitalTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfClassesOfShareCapitalTable",
     "presentation": [
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of classes of share capital [table]",
        "terseLabel": "Disclosure of classes of share capital [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to classes of share capital."
       }
      }
     },
     "auth_ref": [
      "r362",
      "r526",
      "r581"
     ]
    },
    "ifrs-full_DisclosureOfCollateralExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfCollateralExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/AssetsPledgedAsCollateralOrForSecurity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of collateral [text block]",
        "terseLabel": "Assets Pledged as Collateral or for Security"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of assets and liabilities used as collateral."
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitments"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of commitments and contingent liabilities [text block]",
        "terseLabel": "Significant Contingent Liabilities and Unrecognized Commitments"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of commitments and contingent liabilities. [Refer: Classes of contingent liabilities [domain]]"
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "ifrs-full_DisclosureOfContingentLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfContingentLiabilitiesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of contingent liabilities [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfContingentLiabilitiesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfContingentLiabilitiesLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of contingent liabilities [line items]",
        "terseLabel": "Disclosure of contingent liabilities [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfContingentLiabilitiesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfContingentLiabilitiesTable",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of contingent liabilities [table]",
        "terseLabel": "Disclosure of contingent liabilities [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to contingent liabilities."
       }
      }
     },
     "auth_ref": [
      "r101",
      "r437"
     ]
    },
    "asx_DisclosureOfConvenienceTranslationCurrencyExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfConvenienceTranslationCurrencyExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of convenience translation currency explanatory",
        "terseLabel": "U.S. Dollar Amounts",
        "documentation": "Disclosure of convenience translation currency."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfDebtSecuritiesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDebtSecuritiesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayable"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of debt instruments [text block]",
        "terseLabel": "Bonds Payable"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of debt instruments. [Refer: Debt instruments issued; Debt instruments held]"
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "ifrs-full_DisclosureOfDeferredTaxesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDeferredTaxesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of deferred taxes [text block]",
        "terseLabel": "Summary of Movements of Deferred Tax Assets and Deferred Tax Liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of deferred taxes. [Refer: Deferred tax liabilities; Deferred tax assets]"
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "asx_DisclosureOfDefinedBenefitPlanActuarialAssumptionsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDefinedBenefitPlanActuarialAssumptionsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of Defined Benefit Plan Actuarial Assumptions [text block]",
        "terseLabel": "Summary of Key Assumptions Used for the Actuarial Valuations",
        "documentation": "Disclosure of Defined Benefit Plan Actuarial Assumptions [text block]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfDefinedBenefitPlansAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDefinedBenefitPlansAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of defined benefit plans [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfDefinedBenefitPlansAmountsRecognisedOnTheBalanceSheetExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDefinedBenefitPlansAmountsRecognisedOnTheBalanceSheetExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Defined Benefit Plans Amounts Recognised On The Balance Sheet Explanatory [text block]",
        "terseLabel": "Summary of Defined Benefit Plans Amounts Included in Consolidated Balance Sheets",
        "documentation": "Summary of defined benefit amounts included in the Group statement of financial position."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfDefinedBenefitPlansExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDefinedBenefitPlansExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlans"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of defined benefit plans [text block]",
        "terseLabel": "Retirement Benefit Plans"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of defined benefit plans. [Refer: Defined benefit plans [domain]]"
       }
      }
     },
     "auth_ref": [
      "r27",
      "r405"
     ]
    },
    "ifrs-full_DisclosureOfDefinedBenefitPlansLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDefinedBenefitPlansLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansAdditionalInformationDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfKeyAssumptionsUsedForTheActuarialValuationsDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMaturityAnalysisOfUndiscountedPensionBenefitDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of defined benefit plans [line items]",
        "terseLabel": "Disclosure of defined benefit plans [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfDefinedBenefitPlansTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDefinedBenefitPlansTable",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansAdditionalInformationDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfKeyAssumptionsUsedForTheActuarialValuationsDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMaturityAnalysisOfUndiscountedPensionBenefitDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of defined benefit plans [table]",
        "terseLabel": "Disclosure of defined benefit plans [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to defined benefit plans."
       }
      }
     },
     "auth_ref": [
      "r27",
      "r405"
     ]
    },
    "ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDepreciationAndAmortisationExpenseExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of depreciation and amortisation expense [text block]",
        "terseLabel": "Summary of Depreciation and Amortization"
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "asx_DisclosureOfDetailedInformationAboutAppropriationOfRetainedEarningsExplanatoryTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationAboutAppropriationOfRetainedEarningsExplanatoryTableTextBlock",
     "presentation": [
      "http://www.aseglobal.com/role/EquityTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Detailed Information About Appropriation Of Retained Earnings Explanatory [Table Text Block]",
        "verboseLabel": "Disclosure of Detailed Information About Appropriation of Retained Earnings Explanatory",
        "documentation": "Disclosure of detailed information about appropriation of retained earnings explanatory."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDetailedInformationAboutBorrowingsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about borrowings [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDetailedInformationAboutBorrowingsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about borrowings [text block]",
        "terseLabel": "Summary of Borrowings"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of detailed information about borrowings. [Refer: Borrowings]"
       }
      }
     },
     "auth_ref": [
      "r844"
     ]
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDetailedInformationAboutBorrowingsLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableDetail",
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsParentheticalDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfAnnualInterestRatesOfCapitalizedBorrowingCostsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about borrowings [line items]",
        "terseLabel": "Disclosure of detailed information about borrowings [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDetailedInformationAboutBorrowingsTable",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableDetail",
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsParentheticalDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfAnnualInterestRatesOfCapitalizedBorrowingCostsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about borrowings [table]",
        "terseLabel": "Disclosure of detailed information about borrowings [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of borrowings."
       }
      }
     },
     "auth_ref": [
      "r844"
     ]
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about business combination [text block]",
        "terseLabel": "Summary of Subsidiary Acquired"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of detailed information about business combinations. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r263"
     ]
    },
    "asx_DisclosureOfDetailedInformationAboutCashAndCashEquivalentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationAboutCashAndCashEquivalentsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/CashAndCashEquivalentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about cash and cash equivalents [text block]",
        "terseLabel": "Summary of Cash and Cash Equivalents",
        "documentation": "The disclosure for detailed information about cash and cash equivalent."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfDetailedInformationAboutConsiderationTransferredInBusinessCombinationExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationAboutConsiderationTransferredInBusinessCombinationExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about Consideration Transferred in business combination Explanatory",
        "verboseLabel": "Summary of Consideration Transferred in business combination",
        "documentation": "Disclosure of detailed information about Consideration Transferred in business combination Explanatory"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfDetailedInformationAboutDateOfAcquisitionAndConsiderationTransferredInBusinessCombinationsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationAboutDateOfAcquisitionAndConsiderationTransferredInBusinessCombinationsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Detailed Information About Date Of Acquisition And Consideration Transferred In Business Combinations [text block]",
        "terseLabel": "Summary of Assets Acquired and Liabilities Assumed at the Date of Acquisition",
        "documentation": "Disclosure of detailed information about date of acquisition and consideration transferred in business combinations explanatory."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfDetailedInformationAboutDebtSecuritiesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationAboutDebtSecuritiesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Detailed Information About Debt Securities [text block]",
        "terseLabel": "Summary of Bonds Payable",
        "documentation": "Disclosure of detailed information about debt securities."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfDetailedInformationAboutDiscountRateForLeaseLiabilitiesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationAboutDiscountRateForLeaseLiabilitiesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/LeaseArrangementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Detailed Information About Discount Rate For Lease Liabilities Explanatory",
        "terseLabel": "Summary of Land and Buildings Improvements",
        "documentation": "Disclosure of detailed information about discount rate for lease liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfDetailedInformationAboutFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationAboutFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeFvtociTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about financial assets at fair value through other comprehensive income explanatory",
        "terseLabel": "Summary of Financial Assets at Fair Value Through Other Comprehensive Income",
        "documentation": "Disclosure of detailed information about financial assets at fair value through other comprehensive income."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfDetailedInformationAboutFinancialAssetsDesignatedAtFairValueExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationAboutFinancialAssetsDesignatedAtFairValueExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/EquityTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Detailed Information About Financial Assets Designated At Fair Value [text block]",
        "terseLabel": "Summary of Unrealized Gain (Loss) on Financial Assets at FVTOCI",
        "documentation": "Disclosure Of Detailed Information About Financial Assets Designated At Fair Value [text block]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfDetailedInformationAboutFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationAboutFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Detailed Information About Financial Instruments At Fair Value Through Profit Or Loss [text block]",
        "terseLabel": "Summary of Financial Instruments at Fair Value Through Profit or Loss",
        "documentation": "Disclosure of detailed information about financial instruments at fair value through profit or loss explanatory."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about financial instruments [text block]",
        "terseLabel": "Summary of Categories of Financial Instruments"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of detailed information about financial instruments. [Refer: Classes of financial instruments [domain]]"
       }
      }
     },
     "auth_ref": [
      "r278",
      "r284",
      "r295",
      "r482"
     ]
    },
    "asx_DisclosureOfDetailedInformationAboutGoodwillRecognizedOnBusinessCombinationExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationAboutGoodwillRecognizedOnBusinessCombinationExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about goodwill recognized on business combination [text block]",
        "terseLabel": "Summary of Goodwill Recognized on Acquisition",
        "documentation": "Disclosure of detailed information about goodwill recognized on business combination."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDetailedInformationAboutHedgedItemsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about hedged items [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDetailedInformationAboutHedgedItemsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Summary of Detailed Information About Hedged Items"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of detailed information about hedged items. [Refer: Hedged items [domain]]"
       }
      }
     },
     "auth_ref": [
      "r273",
      "r497"
     ]
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDetailedInformationAboutHedgedItemsLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesItemsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about hedged items [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutHedgedItemsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDetailedInformationAboutHedgedItemsTable",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesItemsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about hedged items [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of hedged items."
       }
      }
     },
     "auth_ref": [
      "r273",
      "r497"
     ]
    },
    "asx_DisclosureOfDetailedInformationAboutHedgedRelationshipExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationAboutHedgedRelationshipExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Detailed Information About Hedged Relationship Explanatory",
        "terseLabel": "Summary of Detailed Information About Hedged",
        "documentation": "Disclosure of detailed information about hedged relationship explanatory."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about intangible assets [text block]",
        "terseLabel": "Summary of Carrying Amounts of Each Class of Other Intangible Assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of detailed information about intangible assets. [Refer: Intangible assets other than goodwill]"
       }
      }
     },
     "auth_ref": [
      "r109",
      "r444"
     ]
    },
    "asx_DisclosureOfDetailedInformationAboutInventoriesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationAboutInventoriesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about inventories [text block]",
        "terseLabel": "Summary of Inventories",
        "documentation": "The disclosure of detailed information about inventories."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfDetailedInformationAboutInventoriesRelatedToRealEstateBusinessExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationAboutInventoriesRelatedToRealEstateBusinessExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusinessTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about inventories related to real estate business explanatory",
        "terseLabel": "Summary of Inventories Related to Real Estate Business",
        "documentation": "Disclosure of detailed information about inventories related to real estate business."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutInvestmentPropertyExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDetailedInformationAboutInvestmentPropertyExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about investment property [text block]",
        "terseLabel": "Summary of Investment Properties"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of detailed information about investment property. [Refer: Investment property]"
       }
      }
     },
     "auth_ref": [
      "r115"
     ]
    },
    "asx_DisclosureOfDetailedInformationAboutInvestmentsAccountedForUsingEquityMethodExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationAboutInvestmentsAccountedForUsingEquityMethodExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about investments accounted for using equity method [text block]",
        "terseLabel": "Summary of Investments Accounted for Using the Equity Method",
        "documentation": "Disclosure of detailed information about investments accounted for using equity method."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfDetailedInformationAboutMaturityAnalysisOfObligationUnderLeasesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationAboutMaturityAnalysisOfObligationUnderLeasesTableTextBlock",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of Detailed Information About Maturity Analysis Of Obligation Under Leases [Table Text Block]",
        "terseLabel": "Summary of Disclosure of Detailed Information about Maturity Analysis of Obligation under Leases",
        "documentation": "Disclosure of detailed information about maturity analysis of obligation under leases explanatory."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfDetailedInformationAboutNetCashOutflowOnAcquisitionOfSubsidiariesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationAboutNetCashOutflowOnAcquisitionOfSubsidiariesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about net cash outflow on acquisition of subsidiaries explanatory",
        "terseLabel": "Summary of Net Cash Outflow on Acquisition of Subsidiaries",
        "documentation": "Disclosure of detailed information about net cash outflow on acquisition of subsidiaries explanatory"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfDetailedInformationAboutOtherFinancialAssetsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationAboutOtherFinancialAssetsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/OtherFinancialAssetsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about other financial assets [text block]",
        "terseLabel": "Summary of Other Financial Assets",
        "documentation": "The disclosure of detailed information about other financial assets."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentEstimatedUsefulLivesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentEstimatedUsefulLivesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Detailed Information About Property Plant And Equipment Estimated Useful Lives [text block]",
        "terseLabel": "Summary of Property, Plant and Equipment Useful Lives",
        "documentation": "Disclosure of detailed information about property plant and equipment estimated useful lives."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about property, plant and equipment [text block]",
        "terseLabel": "Summary of Property, Plant and Equipment"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of detailed information about property, plant and equipment. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r21",
      "r401"
     ]
    },
    "asx_DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about trade and other receivables [text block]",
        "terseLabel": "Summary of Trade Receivables, Net",
        "documentation": "The disclosure of detailed information about trade and other receivables."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfDetailedInformationOfAssetsPledgedAsCollateralOrForSecurityExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationOfAssetsPledgedAsCollateralOrForSecurityExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/AssetsPledgedAsCollateralOrForSecurityTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information of assets pledged as collateral or for security [TableText Block]",
        "terseLabel": "Summary of Assets Pledged as Collateral or for Security",
        "documentation": "The disclosure in detail of Assets pledged as collateral or for security."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfDetailedInformationOfNetCashInflowOnDisposalOfSubsidiariesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationOfNetCashInflowOnDisposalOfSubsidiariesTableTextBlock",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of Detailed Information of Net Cash Inflow on Disposal of Subsidiaries [Table Text Block]",
        "terseLabel": "Summary of Net Cash Inflow on Disposal of Subsidiaries",
        "documentation": "Disclosure of detailed information of net cash inflow on disposal of subsidiaries."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfDetailedInformationOfOtherPayablesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDetailedInformationOfOtherPayablesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/OtherPayablesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of Detailed Information of Other Payables [text block]",
        "terseLabel": "Summary of Other Payables",
        "documentation": "Disclosure of detailed information of other payables."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfDisposalOfSubsidiaryExplanatoryTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfDisposalOfSubsidiaryExplanatoryTextBlock",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiary"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Disposal Of Subsidiary Explanatory [Text Block]",
        "terseLabel": "Disposal of Subsidiary",
        "documentation": "Disclosure of disposal of subsidiary explanatory."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfEarningsPerShareExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfEarningsPerShareExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/EarningsPerShare"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of earnings per share [text block]",
        "terseLabel": "Earnings Per Share"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for earnings per share."
       }
      }
     },
     "auth_ref": [
      "r87"
     ]
    },
    "ifrs-full_DisclosureOfEmployeeBenefitsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfEmployeeBenefitsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of employee benefits [text block]",
        "terseLabel": "Summary of Employee Benefits Expense"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for employee benefits."
       }
      }
     },
     "auth_ref": [
      "r48"
     ]
    },
    "asx_DisclosureOfEmployeeCompensationAndDirectorsAndSupervisorsRemunerationExplanatoryTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfEmployeeCompensationAndDirectorsAndSupervisorsRemunerationExplanatoryTextBlock",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Employee Compensation And Directors And Supervisors Remuneration Explanatory [Text Block]",
        "verboseLabel": "Summary of Employees' Compensation and Remuneration to Directors",
        "documentation": "Disclosure of employee compensation and directors and supervisors remuneration."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfEntitysReportableSegmentsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of entity's operating segments [text block]",
        "terseLabel": "Operating Segments Information"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for operating segments."
       }
      }
     },
     "auth_ref": [
      "r326"
     ]
    },
    "ifrs-full_DisclosureOfFairValueMeasurementOfAssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueMeasurementOfAssetsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of fair value measurement of assets [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueMeasurementOfAssetsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of fair value measurement of assets [text block]",
        "terseLabel": "Summary of Financial Assets Measured at Level 3 Fair Value"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the fair value measurement of assets."
       }
      }
     },
     "auth_ref": [
      "r198",
      "r519"
     ]
    },
    "ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueMeasurementOfAssetsLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of fair value measurement of assets [line items]",
        "terseLabel": "Disclosure of fair value measurement of assets [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueMeasurementOfAssetsTable",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of fair value measurement of assets [table]",
        "terseLabel": "Disclosure of fair value measurement of assets [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the fair value measurement of assets."
       }
      }
     },
     "auth_ref": [
      "r198",
      "r519"
     ]
    },
    "ifrs-full_DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeFvtociTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [text block]",
        "terseLabel": "Summary of Investments in Equity Instruments at Fair Value Through Other Comprehensive Income"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the fair value of investments in equity instruments that the entity has designated at fair value through other comprehensive income. [Refer: Investments in equity instruments designated at fair value through other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r537"
     ]
    },
    "ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueOfFinancialInstrumentsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of fair value of financial instruments [text block]",
        "terseLabel": "Summary of Fair Value of Financial Instruments"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the fair value of financial instruments. [Refer: Classes of financial instruments [domain]; At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "asx_DisclosureOfFairValueOfInvestmentsInAssociatesWithAvailablePublishedPriceQuotationExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfFairValueOfInvestmentsInAssociatesWithAvailablePublishedPriceQuotationExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Fair Value Of investments In Associates With Available Published Price Quotation [text block]",
        "terseLabel": "Summary of Fair Values of Investments in Associates with Available Published Price Quotation",
        "documentation": "The disclosure of fair value of investments in associates with available published price quotation."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfFairValueOfInvestmentsInDebtInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfFairValueOfInvestmentsInDebtInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeFvtociTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of fair value of investments in debt instruments designated at fair value through other comprehensive income [text block]",
        "terseLabel": "Summary of Investments in Debt Instruments at Fair Value Through Other Comprehensive Income",
        "documentation": "Disclosure of fair value of investments in debt instruments designated at fair value through other comprehensive income [text block]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfInvestmentsInEquityInstrumentsAtFairValueThroughOtherComprehensiveIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]",
        "terseLabel": "Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfInvestmentsInEquityInstrumentsAtFairValueThroughOtherComprehensiveIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [table]",
        "terseLabel": "Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the fair value of investments in equity instruments designated at fair value through other comprehensive income."
       }
      }
     },
     "auth_ref": [
      "r537"
     ]
    },
    "ifrs-full_DisclosureOfFairValueOfPlanAssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueOfPlanAssetsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of fair value of plan assets [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFairValueOfPlanAssetsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueOfPlanAssetsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of fair value of plan assets [text block]",
        "terseLabel": "Summary of Fair Value of the Plan Assets by Major Categories"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the fair value of defined benefit plan assets. [Refer: Plan assets [member]; Defined benefit plans [domain]]"
       }
      }
     },
     "auth_ref": [
      "r41",
      "r414"
     ]
    },
    "asx_DisclosureOfFairValueOfTheInvestmentPropertiesExplanatoryTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfFairValueOfTheInvestmentPropertiesExplanatoryTableTextBlock",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Fair Value Of The Investment Properties Explanatory [Table Text Block]",
        "verboseLabel": "Summary of Investment Properties, Fair Value",
        "documentation": "The disclosure of fair value of the investment properties."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFinanceCostExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinanceCostExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of finance cost [text block]",
        "terseLabel": "Summary of Finance Costs"
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "ifrs-full_DisclosureOfFinanceIncomeExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinanceIncomeExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of finance income [text block]",
        "terseLabel": "Summary of Other Income"
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "ifrs-full_DisclosureOfFinancialAssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialAssetsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of financial assets [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeFvtoci"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of financial assets at fair value through other comprehensive income explanatory",
        "terseLabel": "Financial Assets at Fair Value Through Other Comprehensive Income (FVTOCI)",
        "documentation": "The disclosure of financial assets at fair value through other comprehensive income."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFinancialAssetsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialAssetsLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/OtherFinancialAssetsSummaryOfOtherFinancialAssetsDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfMovementsOfLossAllowanceOfTradeReceivablesDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfTradeReceivablesNetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of financial assets [line items]",
        "terseLabel": "Disclosure of financial assets [Line Items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFinancialAssetsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialAssetsTable",
     "presentation": [
      "http://www.aseglobal.com/role/OtherFinancialAssetsSummaryOfOtherFinancialAssetsDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfMovementsOfLossAllowanceOfTradeReceivablesDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfTradeReceivablesNetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of financial assets [table]",
        "terseLabel": "Disclosure of financial assets [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to financial assets."
       }
      }
     },
     "auth_ref": [
      "r295",
      "r482"
     ]
    },
    "ifrs-full_DisclosureOfFinancialInstrumentsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialInstrumentsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about financial instruments [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtpl"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of financial instruments at fair value through profit or loss [text block]",
        "terseLabel": "Financial Instruments at Fair Value Through Profit or Loss"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of financial instruments measured at fair value through profit or loss. [Refer: At fair value [member]; Classes of financial instruments [domain]]"
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "ifrs-full_DisclosureOfFinancialInstrumentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialInstrumentsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstruments"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of financial instruments [text block]",
        "terseLabel": "Financial Instruments"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for financial instruments."
       }
      }
     },
     "auth_ref": [
      "r304"
     ]
    },
    "ifrs-full_DisclosureOfFinancialInstrumentsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialInstrumentsLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfCategoriesOfFinancialInstrumentsDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsNotMeasuredAtFairValueButForWhichFairValueIsDisclosedDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfInterestRateRiskDetail",
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfRealizedAndUnrealizedForeignExchangeGainLossDetail",
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about financial instruments [line items]",
        "terseLabel": "Disclosure of detailed information about financial instruments [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFinancialInstrumentsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialInstrumentsTable",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfCategoriesOfFinancialInstrumentsDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsNotMeasuredAtFairValueButForWhichFairValueIsDisclosedDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfInterestRateRiskDetail",
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfRealizedAndUnrealizedForeignExchangeGainLossDetail",
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about financial instruments [table]",
        "terseLabel": "Disclosure of detailed information about financial instruments [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of financial instruments."
       }
      }
     },
     "auth_ref": [
      "r278",
      "r284",
      "r295",
      "r482"
     ]
    },
    "ifrs-full_DisclosureOfFinancialLiabilitiesThatArePartOfSupplierFinanceArrangementsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialLiabilitiesThatArePartOfSupplierFinanceArrangementsLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfSupplierFinancingArrangementsReceivedPaymentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of financial liabilities that are part of supplier finance arrangements [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFinancialLiabilitiesThatArePartOfSupplierFinanceArrangementsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialLiabilitiesThatArePartOfSupplierFinanceArrangementsTable",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfSupplierFinancingArrangementsReceivedPaymentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of financial liabilities that are part of supplier finance arrangements [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing the carrying amount of financial liabilities that are part of supplier finance arrangements."
       }
      }
     },
     "auth_ref": [
      "r144",
      "r145",
      "r373",
      "r374"
     ]
    },
    "asx_DisclosureOfFinancialLiabilitiesThatArePartOfSupplierFinanceArrangementsTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfFinancialLiabilitiesThatArePartOfSupplierFinanceArrangementsTextBlock",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Financial Liabilities That Are Part Of Supplier Finance Arrangements [Text Block]",
        "terseLabel": "Summary of Supplier Financing Arrangements - Received Payment",
        "documentation": "Disclosure of financial liabilities that are part of supplier finance arrangements."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfForeignCurrencyDenominatedMonetaryFinancialAssetsAndLiabilitiesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfForeignCurrencyDenominatedMonetaryFinancialAssetsAndLiabilitiesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrencies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of foreign currency denominated monetary financial assets and liabilities[text block]",
        "terseLabel": "Significant Assets and Liabilities Denominated in Foreign Currencies",
        "documentation": "The disclosure of foreign currency denominated monetary financial assets and liabilities."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfGainFromDisposalsOfSubsidiariesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfGainFromDisposalsOfSubsidiariesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of gain from disposals of subsidiaries [abstract]",
        "documentation": "Disclosure of gain from disposals of subsidiaries [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfGainFromDisposalsOfSubsidiariesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfGainFromDisposalsOfSubsidiariesLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfGainOnDisposalOfSubsidiaryDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of gain from disposals of subsidiaries [line items]",
        "terseLabel": "Disclosure of gain from disposals of subsidiaries [line items]",
        "documentation": "Disclosure of gain from disposals of subsidiaries [line items]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfGainFromDisposalsOfSubsidiariesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfGainFromDisposalsOfSubsidiariesTable",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfGainOnDisposalOfSubsidiaryDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of gain from disposals of subsidiaries [table]",
        "terseLabel": "Disclosure of gain from disposals of subsidiaries [table]",
        "documentation": "Disclosure of gain from disposals of subsidiaries [table]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfGainFromDisposalsOfSubsidiaryExplanatoryTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfGainFromDisposalsOfSubsidiaryExplanatoryTableTextBlock",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Gain From Disposals Of Subsidiary Explanatory [Table Text Block]",
        "terseLabel": "Summary of Gain on Disposal of Subsidiary",
        "documentation": "Disclosure of gain from disposals of subsidiary explanatory."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/GeneralInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of general information about financial statements [text block]",
        "terseLabel": "General Information"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for general information about financial statements."
       }
      }
     },
     "auth_ref": [
      "r352",
      "r555"
     ]
    },
    "ifrs-full_DisclosureOfGeographicalAreasAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfGeographicalAreasAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of geographical areas [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfGeographicalAreasExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfGeographicalAreasExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of geographical areas [text block]",
        "terseLabel": "Summary of Geographical Information"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of geographical information."
       }
      }
     },
     "auth_ref": [
      "r324"
     ]
    },
    "ifrs-full_DisclosureOfGeographicalAreasLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfGeographicalAreasLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfGeographicalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of geographical areas [line items]",
        "terseLabel": "Disclosure of geographical areas [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfGeographicalAreasTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfGeographicalAreasTable",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfGeographicalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of geographical areas [table]",
        "terseLabel": "Disclosure of geographical areas [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to geographical areas."
       }
      }
     },
     "auth_ref": [
      "r324"
     ]
    },
    "ifrs-full_DisclosureOfGoodwillExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfGoodwillExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/Goodwill"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of goodwill [text block]",
        "terseLabel": "Goodwill"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of goodwill. [Refer: Goodwill]"
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "ifrs-full_DisclosureOfHedgeAccountingAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfHedgeAccountingAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about hedges [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfHedgeAccountingLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfHedgeAccountingLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/EquityScheduleOfDetailedInformationAboutHedgesOfNetInvestmentsOfForeignOperationsDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about hedges [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfHedgeAccountingTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfHedgeAccountingTable",
     "presentation": [
      "http://www.aseglobal.com/role/EquityScheduleOfDetailedInformationAboutHedgesOfNetInvestmentsOfForeignOperationsDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about hedges [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of hedges."
       }
      }
     },
     "auth_ref": [
      "r535"
     ]
    },
    "asx_DisclosureOfImpactOfAcquisitionByComprehensiveIncomeExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfImpactOfAcquisitionByComprehensiveIncomeExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of impact of acquisition by comprehensive income [text block]",
        "terseLabel": "Summary of Impact of Acquisitions by Comprehensive Income",
        "documentation": "Disclosure of impact of acquisition by comprehensive income [text block]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfIncomeTaxExpenseBenefitExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfIncomeTaxExpenseBenefitExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Income Tax Expense Benefit [text block]",
        "terseLabel": "Summary of Major Components of Income Tax Expense",
        "documentation": "Disclosure of income tax (expense) benefit."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfIncomeTaxExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfIncomeTaxExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTax"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of income tax [text block]",
        "terseLabel": "Income Tax"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for income taxes."
       }
      }
     },
     "auth_ref": [
      "r11"
     ]
    },
    "asx_DisclosureOfIncomeTaxRecognizedDirectlyInEquityExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfIncomeTaxRecognizedDirectlyInEquityExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of income tax recognized directly in equity [text block]",
        "terseLabel": "Summary of Income Tax Recognized Directly in Equity",
        "documentation": "The disclosure of income tax recognized directly in equity."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfIncomeTaxRecognizedInOtherComprehensiveIncomeExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfIncomeTaxRecognizedInOtherComprehensiveIncomeExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Income Tax Recognized In Other Comprehensive Income [table text block]",
        "terseLabel": "Summary of Income Tax Recognized in Other Comprehensive Income",
        "documentation": "The disclosure of income tax recognized in other comprehensive income."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfIncomeTaxesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfIncomeTaxesLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Income Taxes [line items]",
        "terseLabel": "Disclosure of income taxes [line items]",
        "documentation": "Line items represent concepts included in income taxes."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfIncomeTaxesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfIncomeTaxesTable",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Income Taxes [table]",
        "terseLabel": "Disclosure Of Income Taxes [table]",
        "documentation": "Schedule disclosing information related to income taxes."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of indirect measurement of fair value of goods or services received, share options granted during period [text block]",
        "terseLabel": "Summary of Inputs Related to Fair Value of Share Options"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of information about indirect, by reference to the fair value of the equity instruments granted, measurement of the fair value of goods or services received as consideration for the entity's share options."
       }
      }
     },
     "auth_ref": [
      "r245"
     ]
    },
    "ifrs-full_DisclosureOfInformationAboutKeyManagementPersonnelExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfInformationAboutKeyManagementPersonnelExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/RelatedPartyTransactionsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of information about key management personnel [text block]",
        "terseLabel": "Summary of Compensation to Key Management Personnel"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of information about key management personnel. [Refer: Key management personnel of entity or parent [member]]"
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "ifrs-full_DisclosureOfInformationAboutMaturityProfileOfDefinedBenefitObligationExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfInformationAboutMaturityProfileOfDefinedBenefitObligationExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of information about maturity profile of defined benefit obligation [text block]",
        "terseLabel": "Summary of Maturity Analysis of Undiscounted Pension Benefit"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of information about the maturity profile of a defined benefit obligation. This will include the weighted average duration of the defined benefit obligation and may include other information about the distribution of the timing of benefit payments, such as a maturity analysis of the benefit payments. [Refer: Defined benefit obligation, at present value]"
       }
      }
     },
     "auth_ref": [
      "r45"
     ]
    },
    "ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of information for cash-generating units [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/GoodwillTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of information for cash-generating units [text block]",
        "terseLabel": "Summary of Carrying Amounts of Goodwill Allocated to Cash-generating Units"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of information for cash-generating units. [Refer: Total for all cash-generating units [member]]"
       }
      }
     },
     "auth_ref": [
      "r99",
      "r435"
     ]
    },
    "ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/GoodwillSummaryOfCarryingAmountsOfGoodwillAllocatedToCashGeneratingUnitsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of information for cash-generating units [line items]",
        "terseLabel": "Disclosure of information for cash-generating units [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfInformationForIndividualAssetOrCashgeneratingUnitWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesTable",
     "presentation": [
      "http://www.aseglobal.com/role/GoodwillSummaryOfCarryingAmountsOfGoodwillAllocatedToCashGeneratingUnitsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of information for cash-generating units [table]",
        "terseLabel": "Disclosure of information for cash-generating units [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to cash-generating units."
       }
      }
     },
     "auth_ref": [
      "r99",
      "r435"
     ]
    },
    "ifrs-full_DisclosureOfIntangibleAssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfIntangibleAssetsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about intangible assets [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfIntangibleAssetsEstimatedUsefulLivesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfIntangibleAssetsEstimatedUsefulLivesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Intangible Assets Estimated Useful Lives [table text block]",
        "terseLabel": "Summary of Other Intangible Assets Useful Lives",
        "documentation": "Disclosure of intangible assets estimated useful lives explanatory."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfIntangibleAssetsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfIntangibleAssetsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of intangible assets [text block]",
        "terseLabel": "Other Intangible Assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for intangible assets."
       }
      }
     },
     "auth_ref": [
      "r112"
     ]
    },
    "ifrs-full_DisclosureOfIntangibleAssetsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfIntangibleAssetsLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about intangible assets [line items]",
        "terseLabel": "Disclosure of detailed information about intangible assets [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfIntangibleAssetsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfIntangibleAssetsTable",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about intangible assets [table]",
        "terseLabel": "Disclosure of detailed information about intangible assets [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of intangible assets."
       }
      }
     },
     "auth_ref": [
      "r109",
      "r444"
     ]
    },
    "ifrs-full_DisclosureOfIntangibleAssetsWithIndefiniteUsefulLifeAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfIntangibleAssetsWithIndefiniteUsefulLifeAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of intangible assets with indefinite useful life [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfIntangibleAssetsWithIndefiniteUsefulLifeLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfIntangibleAssetsWithIndefiniteUsefulLifeLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfOtherIntangibleAssetsUsefulLivesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of intangible assets with indefinite useful life [line items]",
        "terseLabel": "Disclosure of intangible assets with indefinite useful life [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfIntangibleAssetsWithIndefiniteUsefulLifeTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfIntangibleAssetsWithIndefiniteUsefulLifeTable",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfOtherIntangibleAssetsUsefulLivesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of intangible assets with indefinite useful life [table]",
        "terseLabel": "Disclosure of intangible assets with indefinite useful life [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to intangible assets with an indefinite useful life."
       }
      }
     },
     "auth_ref": [
      "r110",
      "r445"
     ]
    },
    "ifrs-full_DisclosureOfInterestsInAssociatesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfInterestsInAssociatesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of interests in associates [text block]",
        "terseLabel": "Summary of Investments in Associates Accounted for using the Equity Method"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of interests in associates. [Refer: Total for all associates [member]]"
       }
      }
     },
     "auth_ref": [
      "r165"
     ]
    },
    "ifrs-full_DisclosureOfInventoriesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfInventoriesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/Inventories"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of inventories [text block]",
        "terseLabel": "Inventories"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for inventories."
       }
      }
     },
     "auth_ref": [
      "r54"
     ]
    },
    "asx_DisclosureOfInventoriesRelatedToRealEstateBusinessExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfInventoriesRelatedToRealEstateBusinessExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusiness"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Inventories Related to Real Estate Business Explanatory",
        "terseLabel": "Inventories Related to Real Estate Business",
        "documentation": "Disclosure of inventories related to real estate business."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfInvestmentPropertyAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfInvestmentPropertyAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about investment property [abstract]",
        "verboseLabel": "Disclosure of detailed information about investment property [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfInvestmentPropertyEstimatedUsefulLivesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfInvestmentPropertyEstimatedUsefulLivesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Investment Property Estimated Useful Lives [text block]",
        "terseLabel": "Summary of Investment Properties, Useful Lives",
        "documentation": "Disclosure of investment property estimated useful lives."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfInvestmentPropertyExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfInvestmentPropertyExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentProperties"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of investment property [text block]",
        "terseLabel": "Investment Properties"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for investment property."
       }
      }
     },
     "auth_ref": [
      "r130"
     ]
    },
    "ifrs-full_DisclosureOfInvestmentPropertyLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfInvestmentPropertyLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesInvestmentPropertiesDepreciatedOnAStraightLineBasisOverUsefulLivesDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesFairValueDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfMaturityAnalysisOfOperatingLeasePaymentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about investment property [line items]",
        "terseLabel": "Disclosure of detailed information about investment property [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfInvestmentPropertyTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfInvestmentPropertyTable",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesInvestmentPropertiesDepreciatedOnAStraightLineBasisOverUsefulLivesDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesFairValueDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfMaturityAnalysisOfOperatingLeasePaymentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about investment property [table]",
        "terseLabel": "Disclosure of detailed information about investment property [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of investment property."
       }
      }
     },
     "auth_ref": [
      "r115"
     ]
    },
    "ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethod"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of investments accounted for using equity method [text block]",
        "terseLabel": "Investments Accounted for Using the Equity Method"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of investments accounted for using the equity method. [Refer: Investments accounted for using equity method]"
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "asx_DisclosureOfInvestmentsAccountedForUsingEquityMethodLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfInvestmentsAccountedForUsingEquityMethodLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Investments Accounted For Using Equity Method [line items]",
        "terseLabel": "Disclosure of Investments Accounted for Using Equity Method [line Items]",
        "documentation": "Disclosure of investments accounted for using equity method."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfJointVenturesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfJointVenturesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of joint ventures [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfJointVenturesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfJointVenturesLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfTheJointVentureThatIsNotIndividuallyMaterialDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInJointVenturesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of joint ventures [line items]",
        "terseLabel": "Disclosure of joint ventures [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfJointVenturesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfJointVenturesTable",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfTheJointVentureThatIsNotIndividuallyMaterialDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInJointVenturesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of joint ventures [table]",
        "terseLabel": "Disclosure of joint ventures [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to joint ventures."
       }
      }
     },
     "auth_ref": [
      "r78",
      "r81",
      "r187",
      "r510"
     ]
    },
    "ifrs-full_DisclosureOfLeasesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfLeasesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/LeaseArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of leases [text block]",
        "terseLabel": "Lease Arrangements"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for leases."
       }
      }
     },
     "auth_ref": [
      "r218",
      "r219"
     ]
    },
    "ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfMaterialAccountingPolicyInformationExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of material accounting policy information [text block]",
        "verboseLabel": "Summary of Material Accounting Policy Information"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure of material accounting policy information applied by the entity."
       }
      }
     },
     "auth_ref": [
      "r377",
      "r529",
      "r547"
     ]
    },
    "ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of maturity analysis for derivative financial liabilities [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForDerivativeFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of maturity analysis for derivative financial liabilities [line items]",
        "terseLabel": "Disclosure of maturity analysis for derivative financial liabilities [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForDerivativeFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of maturity analysis for derivative financial liabilities [table]",
        "terseLabel": "Disclosure of maturity analysis for derivative financial liabilities [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the maturity analysis for derivative financial liabilities."
       }
      }
     },
     "auth_ref": [
      "r289",
      "r507"
     ]
    },
    "ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of maturity analysis for non-derivative financial liabilities [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutMaturityAnalysisOfObligationUnderLeasesDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of maturity analysis for non-derivative financial liabilities [line items]",
        "terseLabel": "Disclosure of maturity analysis for non-derivative financial liabilities [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutMaturityAnalysisOfObligationUnderLeasesDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of maturity analysis for non-derivative financial liabilities [table]",
        "terseLabel": "Disclosure of maturity analysis for non-derivative financial liabilities [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the maturity analysis for non-derivative financial liabilities."
       }
      }
     },
     "auth_ref": [
      "r288",
      "r506"
     ]
    },
    "ifrs-full_DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of maturity analysis of operating lease payments [text block]",
        "verboseLabel": "Summary of Maturity analysis of Operating Lease Payments"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of a maturity analysis of operating lease payments. Operating lease is a lease that does not transfer substantially all the risks and rewards incidental to ownership of an underlying asset."
       }
      }
     },
     "auth_ref": [
      "r217",
      "r351"
     ]
    },
    "asx_DisclosureOfMovementsOfLossAllowanceOfTradeReceivablesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfMovementsOfLossAllowanceOfTradeReceivablesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of movements of loss allowance of trade receivables [text block]",
        "terseLabel": "Summary of Movements of Loss Allowance of Trade Receivables",
        "documentation": "Disclosure of movements of loss allowance of trade receivables."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of nature and extent of risks arising from financial instruments [text block]",
        "terseLabel": "Summary of Interest Rate Risk"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of information that enables users of financial statements to evaluate the nature and extent of risks arising from financial instruments to which the entity is exposed. [Refer: Classes of financial instruments [domain]]"
       }
      }
     },
     "auth_ref": [
      "r278"
     ]
    },
    "asx_DisclosureOfNetCashInflowOnDisposalOfSubsidiariesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfNetCashInflowOnDisposalOfSubsidiariesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Net Cash Inflow On Disposal Of Subsidiaries [Abstract]",
        "documentation": "Disclosure of net cash inflow on disposal of subsidiaries."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfNetCashInflowOnDisposalOfSubsidiariesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfNetCashInflowOnDisposalOfSubsidiariesLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfNetCashInflowOnDisposalOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Net Cash Inflow On Disposal Of Subsidiaries [Line Items]",
        "documentation": "Disclosure of net cash inflow on disposal of subsidiaries."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfNetCashInflowOnDisposalOfSubsidiariesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfNetCashInflowOnDisposalOfSubsidiariesTable",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfNetCashInflowOnDisposalOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Net Cash Inflow On Disposal Of Subsidiaries [Table]",
        "documentation": "Disclosure of net cash inflow on disposal of subsidiaries."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNetDefinedBenefitLiabilityAssetAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of net defined benefit liability (asset) [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNetDefinedBenefitLiabilityAssetExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of net defined benefit liability (asset) [text block]",
        "terseLabel": "Summary of Movements in Net Defined Benefit Liability (Asset)"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of a net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)]"
       }
      }
     },
     "auth_ref": [
      "r30",
      "r408"
     ]
    },
    "ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNetDefinedBenefitLiabilityAssetLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of net defined benefit liability (asset) [line items]",
        "terseLabel": "Disclosure of net defined benefit liability (asset) [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNetDefinedBenefitLiabilityAssetTable",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of net defined benefit liability (asset) [table]",
        "terseLabel": "Disclosure of net defined benefit liability (asset) [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the net defined benefit liability (asset)."
       }
      }
     },
     "auth_ref": [
      "r30",
      "r408"
     ]
    },
    "asx_DisclosureOfNonCashInvestingActivitiesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfNonCashInvestingActivitiesLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Non Cash Investing Activities [line items]",
        "terseLabel": "Disclosure of non-cash investing activities [line items]",
        "documentation": "Disclosure Of Non Cash Investing Activities [line items]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfNonCashInvestingActivitiesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfNonCashInvestingActivitiesTable",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of Non Cash Investing Activities [table]",
        "terseLabel": "Disclosure of Non Cash Investing Activities [table]",
        "documentation": "Disclosure of Non Cash Investing Activities [table]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfNonCashTransactionsExplanatoryTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfNonCashTransactionsExplanatoryTextBlock",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Non Cash Transactions Explanatory [Text Block]",
        "terseLabel": "Summary of Non-cash Activities",
        "documentation": "The disclosure of non-cash transactions."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of non-adjusting events after reporting period [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNonadjustingEventsAfterReportingPeriodExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantEventsAfterReportingPeriod"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of non-adjusting events after reporting period [text block]",
        "terseLabel": "Significant Events After Reporting Period"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of non-adjusting events after the reporting period. [Refer: Non-adjusting events after reporting period [domain]]"
       }
      }
     },
     "auth_ref": [
      "r0",
      "r383"
     ]
    },
    "ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantEventsAfterReportingPeriodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of non-adjusting events after reporting period [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNonadjustingEventsAfterReportingPeriodTable",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantEventsAfterReportingPeriodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of non-adjusting events after reporting period [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to non-adjusting events after the reporting period."
       }
      }
     },
     "auth_ref": [
      "r0",
      "r383"
     ]
    },
    "ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNoncontrollingInterestsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/EquityTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of non-controlling interests [text block]",
        "terseLabel": "Summary of Non-controlling Interests"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of non-controlling interests. [Refer: Non-controlling interests]"
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of number and weighted average exercise prices of other equity instruments [text block]",
        "terseLabel": "Summary of Information About Restricted Shares"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the number and weighted average exercise prices of other equity instruments (ie other than share options)."
       }
      }
     },
     "auth_ref": [
      "r840"
     ]
    },
    "asx_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutEmployeeRestrictedStockAwardsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Number And Weighted Average Exercise Prices Of Other Equity Instruments [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsTable",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutEmployeeRestrictedStockAwardsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Number And Weighted Average Exercise Prices Of Other Equity Instruments [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of number and weighted average exercise prices of share options [text block]",
        "terseLabel": "Summary of Information About Share Options"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the number and weighted average exercise prices of share options. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r240",
      "r470"
     ]
    },
    "ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/CapitalManagement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of objectives, policies and processes for managing capital [text block]",
        "terseLabel": "Capital Management"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of information that enables users of financial statements to evaluate the entity's objectives, policies and processes for managing capital."
       }
      }
     },
     "auth_ref": [
      "r549"
     ]
    },
    "asx_DisclosureOfOperatingExpensesAndNonoperatingIncomeAndExpensesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfOperatingExpensesAndNonoperatingIncomeAndExpensesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTax"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of operating expenses and non-operating income and expenses explanatory",
        "terseLabel": "Profit Before Income Tax",
        "documentation": "Disclosure of operating expenses and non-operating income and expenses."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfOperatingExpensesDirectlyRelatedToInvestmentPropertiesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfOperatingExpensesDirectlyRelatedToInvestmentPropertiesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of operating expenses directly related to investment properties [text block]",
        "terseLabel": "Summary of Operating Expenses Directly Related to Investment Properties",
        "documentation": "Disclosure of operating expenses directly related to investment properties."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfOperatingSegmentsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfOperatingSegmentsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of operating segments [abstract]",
        "terseLabel": "Disclosure of operating segments [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfOperatingSegmentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfOperatingSegmentsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of operating segments [text block]",
        "terseLabel": "Summary of Segment Information"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of operating segments. [Refer: Operating segments [member]]"
       }
      }
     },
     "auth_ref": [
      "r312"
     ]
    },
    "ifrs-full_DisclosureOfOperatingSegmentsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfOperatingSegmentsLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationAdditionalInformationDetail",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of operating segments [line items]",
        "terseLabel": "Disclosure of operating segments [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfOperatingSegmentsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfOperatingSegmentsTable",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationAdditionalInformationDetail",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of operating segments [table]",
        "terseLabel": "Disclosure of operating segments [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to operating segments."
       }
      }
     },
     "auth_ref": [
      "r312"
     ]
    },
    "asx_DisclosureOfOtherFinancialAssetsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfOtherFinancialAssetsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/OtherFinancialAssets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of other financial assets [text block]",
        "terseLabel": "Other Financial Assets",
        "documentation": "The entire disclosure of other financial assets."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfOtherGainAndLossExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfOtherGainAndLossExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of other gain and loss [text block]",
        "terseLabel": "Summary of Other Gains, net",
        "documentation": "The disclosure of other gain and loss."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfOtherInformationExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfOtherInformationExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/Others"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of other information explanatory",
        "terseLabel": "Others",
        "documentation": "The disclosure of other information explanatory."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfOtherOperatingIncomeExpenseExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfOtherOperatingIncomeExpenseExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of other operating income (expense) [text block]",
        "terseLabel": "Summary of Other Operating Income and Expenses, Net"
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "asx_DisclosureOfOtherPayablesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfOtherPayablesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/OtherPayables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of Other Payables [text block]",
        "terseLabel": "Other Payables",
        "documentation": "The entire disclosure of other payable."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfOtherRelatedLeaseInformationExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfOtherRelatedLeaseInformationExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/LeaseArrangementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Other Related Lease Information Explanatory",
        "terseLabel": "Summary of Other Related Lease Information",
        "documentation": "The disclosure of other related lease information."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfProductsAndServicesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfProductsAndServicesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of products and services [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfProductsAndServicesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfProductsAndServicesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of products and services [text block]",
        "terseLabel": "Summary of Revenue from Major Products and Services"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the entity's products and services. [Refer: Products and services [domain]]"
       }
      }
     },
     "auth_ref": [
      "r321"
     ]
    },
    "ifrs-full_DisclosureOfProductsAndServicesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfProductsAndServicesLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfRevenueFromMajorProductsAndServicesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of products and services [line items]",
        "terseLabel": "Disclosure of products and services [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfProductsAndServicesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfProductsAndServicesTable",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfRevenueFromMajorProductsAndServicesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of products and services [table]",
        "terseLabel": "Disclosure of products and services [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the entity's products and services."
       }
      }
     },
     "auth_ref": [
      "r321"
     ]
    },
    "ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfPropertyPlantAndEquipmentAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about property, plant and equipment [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfPropertyPlantAndEquipmentExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/PropertyPlantAndEquipment"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of property, plant and equipment [text block]",
        "terseLabel": "Property, Plant and Equipment"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for property, plant and equipment."
       }
      }
     },
     "auth_ref": [
      "r26"
     ]
    },
    "ifrs-full_DisclosureOfPropertyPlantAndEquipmentLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfPropertyPlantAndEquipmentLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusinessAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusinessSummaryOfInventoriesRelatedToRealEstateBusinessDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfTheGroupsLeaseLiabilitiesAreMainlyFromLandAndBuildingsAndImprovementsRangeOfDiscountRateForLeaseLiabilitiesDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLivesDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about property, plant and equipment [line items]",
        "terseLabel": "Disclosure of detailed information about property, plant and equipment [Line Items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfPropertyPlantAndEquipmentTable",
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusinessAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusinessSummaryOfInventoriesRelatedToRealEstateBusinessDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfRightOfUseAssetsDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfTheGroupsLeaseLiabilitiesAreMainlyFromLandAndBuildingsAndImprovementsRangeOfDiscountRateForLeaseLiabilitiesDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLivesDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of detailed information about property, plant and equipment [table]",
        "terseLabel": "Disclosure of detailed information about property, plant and equipment [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of property, plant and equipment."
       }
      }
     },
     "auth_ref": [
      "r21",
      "r401"
     ]
    },
    "ifrs-full_DisclosureOfProvisionMatrixAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfProvisionMatrixAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of provision matrix [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfProvisionMatrixExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfProvisionMatrixExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of provision matrix [text block]",
        "terseLabel": "Summary of Loss Allowance of Trade Receivables Based on Group's Provision Matrix"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the provision matrix."
       }
      }
     },
     "auth_ref": [
      "r649"
     ]
    },
    "ifrs-full_DisclosureOfProvisionMatrixLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfProvisionMatrixLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of provision matrix [line items]",
        "terseLabel": "Disclosure of provision matrix [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfProvisionMatrixTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfProvisionMatrixTable",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of provision matrix [table]",
        "terseLabel": "Disclosure of provision matrix [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the provision matrix."
       }
      }
     },
     "auth_ref": [
      "r649"
     ]
    },
    "asx_DisclosureOfQuantitativeInformationAboutLeaseLiabilitiestextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfQuantitativeInformationAboutLeaseLiabilitiestextBlock",
     "presentation": [
      "http://www.aseglobal.com/role/LeaseArrangementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Quantitative Information About Lease Liabilities Text Block",
        "terseLabel": "Summary of Lease Liabilities",
        "documentation": "Disclosure Of Quantitative Information About Lease Liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/LeaseArrangementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of quantitative information about right-of-use assets [text block]",
        "terseLabel": "Summary of Right-of-Use\u00a0Assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of quantitative information about right-of-use assets. [Refer: Right-of-use assets]"
       }
      }
     },
     "auth_ref": [
      "r215",
      "r343"
     ]
    },
    "ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfQuantitativeInformationAboutRightofuseAssetsLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfRightOfUseAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of quantitative information about right-of-use assets [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfRangeExercisePricesOfOutstandingRestrictedSharesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfRangeExercisePricesOfOutstandingRestrictedSharesLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfOutstandingRestrictedSharesAtBalanceSheetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of Range Exercise Prices of Outstanding Restricted Shares [Line Items]",
        "documentation": "Disclosure of Range Exercise Prices of Outstanding Restricted Shares [Line Items]."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfRangeOfExercisePricesOfOutstandingRestrictedSharesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfRangeOfExercisePricesOfOutstandingRestrictedSharesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Range Of Exercise Prices Of Outstanding Restricted Shares Explanatory",
        "terseLabel": "Summary of Outstanding Restricted Shares",
        "documentation": "Disclosure of range of exercise prices of outstanding restricted shares."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of range of exercise prices of outstanding share options [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of range of exercise prices of outstanding share options [text block]",
        "terseLabel": "Summary of Outstanding Share Options"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the range of exercise prices for outstanding share options."
       }
      }
     },
     "auth_ref": [
      "r242"
     ]
    },
    "ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfUsishSOutstandingShareOptionsBalanceSheetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of range of exercise prices of outstanding share options [line items]",
        "terseLabel": "Disclosure of range of exercise prices of outstanding share options [Line Items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfRangeOfExercisePricesOfOutstandingShareOptionsTable",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfUsishSOutstandingShareOptionsBalanceSheetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of range of exercise prices of outstanding share options [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the range of exercise prices of outstanding share options."
       }
      }
     },
     "auth_ref": [
      "r242"
     ]
    },
    "ifrs-full_DisclosureOfRangeOfPaymentDueDatesOfFinancialLiabilitiesThatArePartOfSupplierFinanceArrangementsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfRangeOfPaymentDueDatesOfFinancialLiabilitiesThatArePartOfSupplierFinanceArrangementsLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfSupplierFinancingArrangementsTradePayablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of range of payment due dates of financial liabilities that are part of supplier finance arrangements [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfRangeOfPaymentDueDatesOfFinancialLiabilitiesThatArePartOfSupplierFinanceArrangementsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfRangeOfPaymentDueDatesOfFinancialLiabilitiesThatArePartOfSupplierFinanceArrangementsTable",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfSupplierFinancingArrangementsTradePayablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of range of payment due dates of financial liabilities that are part of supplier finance arrangements [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing the range of payment due dates of financial liabilities part of supplier finance arrangement."
       }
      }
     },
     "auth_ref": [
      "r146",
      "r375"
     ]
    },
    "asx_DisclosureOfRangeOfPaymentDueDatesOfFinancialLiabilitiesThatArePartOfSupplierFinanceArrangementsTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfRangeOfPaymentDueDatesOfFinancialLiabilitiesThatArePartOfSupplierFinanceArrangementsTextBlock",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Range Of Payment Due Dates Of Financial Liabilities That Are Part Of Supplier Finance Arrangements [Text Block]",
        "terseLabel": "Summary of Supplier Financing Arrangements - Trade Payables",
        "documentation": "Disclosure of range of payment due dates of financial liabilities that are part of supplier finance arrangements."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfRealizedAndUnrealizedForeignExchangeGainAndLossExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfRealizedAndUnrealizedForeignExchangeGainAndLossExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of Realized and Unrealized Foreign Exchange Gain and (Loss) [text block]",
        "terseLabel": "Summary of Realized and Unrealized Foreign Exchange Gain (Loss)",
        "documentation": "Disclosure of Realized and Unrealized Foreign Exchange Gain and (Loss)"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfReconciliationOfChangesInGoodwillAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of reconciliation of changes in goodwill [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfReconciliationOfChangesInGoodwillExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/GoodwillTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of reconciliation of changes in goodwill [text block]",
        "terseLabel": "Summary of Goodwill"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the reconciliation of changes in goodwill. [Refer: Goodwill]"
       }
      }
     },
     "auth_ref": [
      "r260",
      "r481"
     ]
    },
    "ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfReconciliationOfChangesInGoodwillLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/GoodwillAdditionalInformationDetail",
      "http://www.aseglobal.com/role/GoodwillSummaryOfGoodwillDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of reconciliation of changes in goodwill [line items]",
        "terseLabel": "Disclosure of reconciliation of changes in goodwill [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfReconciliationOfChangesInGoodwillTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfReconciliationOfChangesInGoodwillTable",
     "presentation": [
      "http://www.aseglobal.com/role/GoodwillAdditionalInformationDetail",
      "http://www.aseglobal.com/role/GoodwillSummaryOfGoodwillDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of reconciliation of changes in goodwill [table]",
        "terseLabel": "Disclosure of reconciliation of changes in goodwill [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the reconciliation of changes in goodwill."
       }
      }
     },
     "auth_ref": [
      "r260",
      "r481"
     ]
    },
    "asx_DisclosureOfReconciliationOfIncomeTaxExpenseCalculatedAtStatutoryRateAndRecognizedInProfitOrLossExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfReconciliationOfIncomeTaxExpenseCalculatedAtStatutoryRateAndRecognizedInProfitOrLossExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure Of Reconciliation Of Income Tax Expense Calculated At Statutory Rate And Recognized In Profit Or Loss [text block]",
        "terseLabel": "Summary of Reconciliation of Income Tax Expense",
        "documentation": "The disclosure of reconciliation of income tax expense calculated at statutory rate and recognized in profit or loss."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of reconciliation of liabilities arising from financing activities [text block]",
        "terseLabel": "Change in Liabilities Arising From Financing Activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the reconciliation of liabilities arising from financing activities. [Refer: Liabilities arising from financing activities]"
       }
      }
     },
     "auth_ref": [
      "r372",
      "r629"
     ]
    },
    "ifrs-full_DisclosureOfRelatedPartyExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfRelatedPartyExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/RelatedPartyTransactions"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of related party [text block]",
        "terseLabel": "Related Party Transactions"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for related parties."
       }
      }
     },
     "auth_ref": [
      "r70"
     ]
    },
    "ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfReservesAndOtherEquityInterestExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/EquityTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of reserves within equity [text block]",
        "terseLabel": "Summary of Other Reserves"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of reserves within equity. [Refer: Other reserves [member]]"
       }
      }
     },
     "auth_ref": [
      "r363",
      "r527",
      "r582"
     ]
    },
    "asx_DisclosureOfRestrictedStockAwardsForEmployeesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfRestrictedStockAwardsForEmployeesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of Restricted Stock Awards for Employees [Abstract]",
        "documentation": "Disclosure of restricted stock awards for employees."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfRestrictedStockAwardsForEmployeesTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfRestrictedStockAwardsForEmployeesTextBlock",
     "presentation": [
      "http://www.aseglobal.com/role/EquityTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of Restricted Stock Awards for Employees [Text Block]",
        "terseLabel": "Summary of Unearned Employee Compensation",
        "documentation": "Disclosure of restricted stock awards for employees."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfSensitivityAnalysisForActuarialAssumptionsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of sensitivity analysis for actuarial assumptions [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfSensitivityAnalysisForActuarialAssumptionsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of sensitivity analysis for actuarial assumptions [text block]",
        "terseLabel": "Summary of Sensitivity Analysis on Defined Obligations"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of a sensitivity analysis for significant actuarial assumptions used to determine the present value of a defined benefit obligation. [Refer: Actuarial assumptions [domain]; Defined benefit obligation, at present value]"
       }
      }
     },
     "auth_ref": [
      "r43"
     ]
    },
    "ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfSensitivityAnalysisOnDefinedObligationsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of sensitivity analysis for actuarial assumptions [line items]",
        "terseLabel": "Disclosure of sensitivity analysis for actuarial assumptions [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfSensitivityAnalysisOnDefinedObligationsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of sensitivity analysis for actuarial assumptions [table]",
        "terseLabel": "Disclosure of sensitivity analysis for actuarial assumptions [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the sensitivity analysis for actuarial assumptions."
       }
      }
     },
     "auth_ref": [
      "r43"
     ]
    },
    "ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/Equity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of share capital, reserves and other equity interest [text block]",
        "terseLabel": "Equity"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for share capital, reserves and other equity interest."
       }
      }
     },
     "auth_ref": [
      "r364",
      "r528",
      "r583"
     ]
    },
    "asx_DisclosureOfSharePremiumExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfSharePremiumExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/EquityTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of share premium [text block]",
        "terseLabel": "Summary of Capital Surplus",
        "documentation": "The disclosure of share premium."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfSharebasedPaymentArrangementsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of share-based payment arrangements [text block]",
        "terseLabel": "Share-based Payment Arrangements"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for share-based payment arrangements."
       }
      }
     },
     "auth_ref": [
      "r231"
     ]
    },
    "asx_DisclosureOfSharesHeldBySubsidiariesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfSharesHeldBySubsidiariesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/EquityTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of Shares Held By Subsidiaries [text block]",
        "terseLabel": "Summary of Shares Held By Subsidiaries",
        "documentation": "The disclosure of shares held by subsidiaries."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfSignificantInvestmentsInAssociatesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of associates [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfSignificantInvestmentsInAssociatesTable",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfAssociatesThatAreNotIndividuallyMaterialDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfFairValuesOfInvestmentsInAssociatesWithAvailablePublishedPriceQuotationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of associates [table]",
        "terseLabel": "Disclosure of associates [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to associates."
       }
      }
     },
     "auth_ref": [
      "r78",
      "r81",
      "r189",
      "r511"
     ]
    },
    "ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfSignificantInvestmentsInSubsidiariesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of subsidiaries [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of subsidiaries [text block]",
        "terseLabel": "Summary of Subsidiaries"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of subsidiaries. [Refer: Total for all subsidiaries [member]]"
       }
      }
     },
     "auth_ref": [
      "r78",
      "r81",
      "r186",
      "r509"
     ]
    },
    "ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfSignificantInvestmentsInSubsidiariesLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryTables",
      "http://www.aseglobal.com/role/EquitySummaryOfSharesHeldBySubsidiariesDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of subsidiaries [line items]",
        "terseLabel": "Disclosure of subsidiaries [Line Items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfSignificantInvestmentsInSubsidiariesTable",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryTables",
      "http://www.aseglobal.com/role/EquitySummaryOfSharesHeldBySubsidiariesDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of subsidiaries [table]",
        "terseLabel": "Disclosure of subsidiaries [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to subsidiaries."
       }
      }
     },
     "auth_ref": [
      "r78",
      "r81",
      "r186",
      "r509"
     ]
    },
    "asx_DisclosureOfSummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfSummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of summary of analysis of assets and liabilities on date control was lost [abstract]",
        "documentation": "Disclosure of summary of analysis of assets and liabilities on date control was lost [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfSummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfSummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of summary of analysis of assets and liabilities on date control was lost [text block]",
        "terseLabel": "Summary of Analysis of Assets and Liabilities on Date Control was Lost",
        "documentation": "Disclosure of summary of analysis of assets and liabilities on date control was lost [text block]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfSummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfSummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of summary of analysis of assets and liabilities on date control was lost [line items]",
        "terseLabel": "Disclosure of summary of analysis of assets and liabilities on date control was lost [line items]",
        "documentation": "Disclosure of summary of analysis of assets and liabilities on date control was lost [line items]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfSummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfSummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostTable",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of summary of analysis of assets and liabilities on date control was lost [table]",
        "terseLabel": "Disclosure of summary of analysis of assets and liabilities on date control was lost [table]",
        "documentation": "Disclosure of summary of analysis of assets and liabilities on date control was lost [table]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfTaxReceivablesAndPayablesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTaxReceivablesAndPayablesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of tax receivables and payables [text block]",
        "terseLabel": "Summary of Current Tax Assets and Liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of tax receivables and payables."
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of temporary difference, unused tax losses and unused tax credits [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of temporary difference, unused tax losses and unused tax credits [text block]",
        "terseLabel": "Summary of Unrecognized Deferred Tax Assets Related to Loss Carry-forward, Investment Credits and Deductible Temporary Differences"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of types of temporary differences, unused tax losses and unused tax credits. [Refer: Unused tax credits [member]; Unused tax losses [member]; Temporary differences [member]]"
       }
      }
     },
     "auth_ref": [
      "r10",
      "r392"
     ]
    },
    "ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedInvestmentCreditsDetail",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedLossCarryForwardDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of temporary difference, unused tax losses and unused tax credits [line items]",
        "terseLabel": "Disclosure of temporary difference, unused tax losses and unused tax credits [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedInvestmentCreditsDetail",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedLossCarryForwardDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of temporary difference, unused tax losses and unused tax credits [table]",
        "terseLabel": "Disclosure of temporary difference, unused tax losses and unused tax credits [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to temporary differences, unused tax losses and unused tax credits."
       }
      }
     },
     "auth_ref": [
      "r10",
      "r392"
     ]
    },
    "ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of terms and conditions of share-based payment arrangement [abstract]",
        "terseLabel": "Issuance of share option plan for the employee"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfAseIncOptionPlansOutstandingShareOptionsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfFairValueUsingTrinomialTreeModelAndInputsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of terms and conditions of share-based payment arrangement [line items]",
        "terseLabel": "Disclosure of terms and conditions of share-based payment arrangement [Line Items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfAseIncOptionPlansOutstandingShareOptionsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfFairValueUsingTrinomialTreeModelAndInputsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of terms and conditions of share-based payment arrangement [table]",
        "terseLabel": "Disclosure of terms and conditions of share-based payment arrangement [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to terms and conditions of share-based payment arrangements."
       }
      }
     },
     "auth_ref": [
      "r243",
      "r471"
     ]
    },
    "ifrs-full_DisclosureOfTradeAndOtherReceivablesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTradeAndOtherReceivablesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNet"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of trade and other receivables [text block]",
        "terseLabel": "Trade Receivables, Net"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of trade and other receivables. [Refer: Trade and other receivables]"
       }
      }
     },
     "auth_ref": [
      "r846"
     ]
    },
    "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTransactionsBetweenRelatedPartiesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of transactions between related parties [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTransactionsBetweenRelatedPartiesExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/RelatedPartyTransactionsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of transactions between related parties [text block]",
        "verboseLabel": "Summary of Transactions Between Related Parties"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of transactions between the entity and its related parties. [Refer: Total for all related parties [member]]"
       }
      }
     },
     "auth_ref": [
      "r67",
      "r424"
     ]
    },
    "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTransactionsBetweenRelatedPartiesLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/RelatedPartyTransactionsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/RelatedPartyTransactionsSummaryOfTransactionsBetweenRelatedPartiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of transactions between related parties [line items]",
        "terseLabel": "Disclosure of transactions between related parties [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfTransactionsBetweenRelatedPartiesTable",
     "presentation": [
      "http://www.aseglobal.com/role/RelatedPartyTransactionsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/RelatedPartyTransactionsSummaryOfTransactionsBetweenRelatedPartiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of transactions between related parties [table]",
        "terseLabel": "Disclosure of transactions between related parties [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to transactions between related parties."
       }
      }
     },
     "auth_ref": [
      "r69",
      "r426"
     ]
    },
    "asx_DisclosureOfUnusedInvestmentCreditsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfUnusedInvestmentCreditsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of unused investment credits explanatory",
        "terseLabel": "Summary of Unused Investment Credits",
        "documentation": "Disclosure of unused investment credits."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisclosureOfUnusedLossCarryforwardsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisclosureOfUnusedLossCarryforwardsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of unused loss carryforwards [Text block]",
        "terseLabel": "Summary of Unused Loss Carry-forward",
        "documentation": "The disclosure of unused loss carryforwards."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DiscountRateForLeaseLiabilities": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DiscountRateForLeaseLiabilities",
     "presentation": [
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfTheGroupsLeaseLiabilitiesAreMainlyFromLandAndBuildingsAndImprovementsRangeOfDiscountRateForLeaseLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Discount Rate For Lease Liabilities",
        "documentation": "Discount rate for lease liabilities."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DislcosureOfRangeExercisePricesOfOutstandingRestrictedSharesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DislcosureOfRangeExercisePricesOfOutstandingRestrictedSharesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Dislcosure of Range Exercise Prices of Outstanding Restricted Shares [Abstract]",
        "documentation": "Dislcosure of Range Exercise Prices of Outstanding Restricted Shares [Abstract]."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DislcosureOfRangeExercisePricesOfOutstandingRestrictedSharesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DislcosureOfRangeExercisePricesOfOutstandingRestrictedSharesTable",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfOutstandingRestrictedSharesAtBalanceSheetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dislcosure of Range Exercise Prices of Outstanding Restricted Shares [Table]",
        "documentation": "Dislcosure of Range Exercise Prices of Outstanding Restricted Shares [Table]."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisposalGroupCurrentAssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisposalGroupCurrentAssetsAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disposal group, current assets [abstract]",
        "terseLabel": "Current assets",
        "documentation": "Disposal group, current assets."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisposalGroupCurrentLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisposalGroupCurrentLiabilitiesAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disposal Group Current Liabilities [Abstract]",
        "terseLabel": "Current Liabilities",
        "documentation": "Disposal group current liabilities."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisposalGroupNonCurrentAssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisposalGroupNonCurrentAssetsAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disposal Group Non Current Assets [Abstract]",
        "terseLabel": "Non-Current Assets",
        "documentation": "Disposal group non current assets."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisposalOfInvestmentsInEquityInstrumentsAtFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisposalOfInvestmentsInEquityInstrumentsAtFairValueThroughOtherComprehensiveIncome",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disposal Of Investments In Equity Instruments At Fair Value Through Other Comprehensive Income",
        "terseLabel": "Disposal of investments in equity instruments at fair value through other comprehensive income",
        "documentation": "Disposal of investments in equity instruments at fair value through other comprehensive income."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisposalOfSubsidiariesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisposalOfSubsidiariesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Disposal of Subsidiaries [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisposalOfSubsidiariesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisposalOfSubsidiariesLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disposal of Subsidiaries [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_DisposalOfSubsidiariesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DisposalOfSubsidiariesTable",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disposal of Subsidiaries [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisposalsAndRetirementsIntangibleAssetsOtherThanGoodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisposalsAndRetirementsIntangibleAssetsOtherThanGoodwill",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disposals and retirements, intangible assets other than goodwill",
        "negatedLabel": "Disposals or derecognition"
       }
      },
      "en": {
       "role": {
        "documentation": "The decrease in intangible assets other than goodwill resulting from disposals and retirements. [Refer: Intangible assets other than goodwill]"
       }
      }
     },
     "auth_ref": [
      "r829"
     ]
    },
    "ifrs-full_DisposalsAndRetirementsPropertyPlantAndEquipmentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisposalsAndRetirementsPropertyPlantAndEquipmentAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfNonCashActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disposals and retirements, property, plant and equipment [abstract]",
        "terseLabel": "Proceeds from disposal of property, plant and equipment"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisposalsInvestmentProperty": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisposalsInvestmentProperty",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disposals, investment property",
        "negatedLabel": "Disposals"
       }
      },
      "en": {
       "role": {
        "documentation": "The decrease in investment property resulting from disposals. [Refer: Investment property]"
       }
      }
     },
     "auth_ref": [
      "r118",
      "r125",
      "r448",
      "r454"
     ]
    },
    "ifrs-full_DisposalsPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisposalsPropertyPlantAndEquipment",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disposals, property, plant and equipment",
        "negatedLabel": "Disposals"
       }
      },
      "en": {
       "role": {
        "documentation": "The decrease in property, plant and equipment resulting from disposals. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r15",
      "r396"
     ]
    },
    "asx_DividendTransactionsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DividendTransactionsMember",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantEventsAfterReportingPeriodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dividend Transactions [Member]",
        "documentation": "Dividend transactions."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DividendsPaidOrdinarySharesPerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DividendsPaidOrdinarySharesPerShare",
     "presentation": [
      "http://www.aseglobal.com/role/EquityScheduleOfAppropriationOfRetainedEarningsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dividends paid, ordinary shares per share",
        "verboseLabel": "Dividends per share"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of dividends paid per ordinary share."
       }
      }
     },
     "auth_ref": [
      "r88",
      "r429"
     ]
    },
    "ifrs-full_DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DividendsPaidToEquityHoldersOfParentClassifiedAsFinancingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": -1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dividends paid to equity holders of parent, classified as financing activities",
        "negatedLabel": "Dividends paid"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for dividends paid to equity holders of the parent, classified as financing activities."
       }
      }
     },
     "auth_ref": [
      "r832"
     ]
    },
    "ifrs-full_DividendsPaidToNoncontrollingInterests": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DividendsPaidToNoncontrollingInterests",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dividends paid to non-controlling interests",
        "terseLabel": "Cash dividends distributed to non-controlling interests"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of dividends paid to non-controlling interests. [Refer: Non-controlling interests]"
       }
      }
     },
     "auth_ref": [
      "r172"
     ]
    },
    "ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantEventsAfterReportingPeriodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners per share",
        "terseLabel": "Cash dividends"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount, per share, of dividends proposed or declared before financial statements were authorised for issue but not recognised as distribution to owners."
       }
      }
     },
     "auth_ref": [
      "r365",
      "r531",
      "r550"
     ]
    },
    "ifrs-full_DividendsReceivedClassifiedAsOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DividendsReceivedClassifiedAsOperatingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 69.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dividends received, classified as operating activities",
        "terseLabel": "Dividend received"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from dividends received, classified as operating activities. [Refer: Dividends received]"
       }
      }
     },
     "auth_ref": [
      "r137"
     ]
    },
    "ifrs-full_DividendsRecognisedAsDistributionsToNoncontrollingInterests": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DividendsRecognisedAsDistributionsToNoncontrollingInterests",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dividends recognised as distributions to non-controlling interests",
        "negatedLabel": "Cash dividends distributed by subsidiaries"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of dividends recognised as distributions to non-controlling interests. [Refer: Non-controlling interests]"
       }
      }
     },
     "auth_ref": [
      "r849"
     ]
    },
    "ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DividendsRecognisedAsDistributionsToOwnersOfParent",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dividends recognised as distributions to owners of parent",
        "negatedLabel": "Cash dividends distributed by the Company"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of dividends recognised as distributions to owners of the parent. [Refer: Parent [member]]"
       }
      }
     },
     "auth_ref": [
      "r849"
     ]
    },
    "asx_DividendsRecognisedAsDistributionsToSubsidiaries": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DividendsRecognisedAsDistributionsToSubsidiaries",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dividends recognised as distributions To subsidiaries",
        "terseLabel": "Cash dividends received by subsidiaries from the Company",
        "documentation": "Dividends recognised as distributions to subsidiaries."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentAccountingStandard": {
     "xbrltype": "accountingStandardItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentAccountingStandard",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Accounting Standard",
        "documentation": "The basis of accounting the registrant has used to prepare the financial statements included in this filing This can either be 'U.S. GAAP', 'International Financial Reporting Standards', or 'Other'."
       }
      }
     },
     "auth_ref": [
      "r703"
     ]
    },
    "dei_DocumentAnnualReport": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentAnnualReport",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Annual Report",
        "documentation": "Boolean flag that is true only for a form used as an annual report."
       }
      }
     },
     "auth_ref": [
      "r702",
      "r703",
      "r726"
     ]
    },
    "dei_DocumentFinStmtErrorCorrectionFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentFinStmtErrorCorrectionFlag",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Financial Statement Error Correction [Flag]",
        "documentation": "Indicates whether any of the financial statement period in the filing include a restatement due to error correction."
       }
      }
     },
     "auth_ref": [
      "r702",
      "r703",
      "r726",
      "r769"
     ]
    },
    "dei_DocumentFiscalPeriodFocus": {
     "xbrltype": "fiscalPeriodItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentFiscalPeriodFocus",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Fiscal Period Focus",
        "documentation": "Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentFiscalYearFocus": {
     "xbrltype": "gYearItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentFiscalYearFocus",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Fiscal Year Focus",
        "documentation": "This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentInformationLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentInformationLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Information [Line Items]",
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentInformationTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentInformationTable",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Information [Table]",
        "documentation": "Container to support the formal attachment of each official or unofficial, public or private document as part of a submission package."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentPeriodEndDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentPeriodEndDate",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Period End Date",
        "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentRegistrationStatement": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentRegistrationStatement",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Registration Statement",
        "documentation": "Boolean flag that is true only for a form used as a registration statement."
       }
      }
     },
     "auth_ref": [
      "r698"
     ]
    },
    "dei_DocumentShellCompanyReport": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentShellCompanyReport",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Shell Company Report",
        "documentation": "Boolean flag that is true for a Shell Company Report pursuant to section 13 or 15(d) of the Exchange Act."
       }
      }
     },
     "auth_ref": [
      "r703"
     ]
    },
    "dei_DocumentTransitionReport": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentTransitionReport",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Transition Report",
        "documentation": "Boolean flag that is true only for a form used as a transition report."
       }
      }
     },
     "auth_ref": [
      "r747"
     ]
    },
    "dei_DocumentType": {
     "xbrltype": "submissionTypeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentType",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Type",
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'."
       }
      }
     },
     "auth_ref": []
    },
    "asx_DonationsFromShareholders": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "DonationsFromShareholders",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail": {
       "parentTag": "asx_SharePremiumMayBeUsedToOffsetDeficitDistributedAsCashDividendsOrTransferredToShareCapital",
       "weight": 1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Donations from Shareholders",
        "terseLabel": "Donation from shareholders",
        "documentation": "Donations from shareholders."
       }
      }
     },
     "auth_ref": []
    },
    "asx_Dummy": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "Dummy",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusinessSummaryOfInventoriesRelatedToRealEstateBusinessDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dummy",
        "terseLabel": "Inventories related to real estate business",
        "documentation": "Dummy"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_DvddsOrOthrErngsPdOnEqtyAwrdsNtOthrwsRflctdInTtlCompForCvrdYrMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "DvddsOrOthrErngsPdOnEqtyAwrdsNtOthrwsRflctdInTtlCompForCvrdYrMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member]",
        "terseLabel": "Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year"
       }
      }
     },
     "auth_ref": [
      "r758"
     ]
    },
    "ifrs-full_EarningsPerShareAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EarningsPerShareAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Earnings per share [abstract]",
        "terseLabel": "EARNINGS PER SHARE"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_EarningsPerShareExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EarningsPerShareExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/EarningsPerShareTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Earnings per share [text block]",
        "terseLabel": "Summary of Earnings and Weighted Average Number of Ordinary Shares Outstanding in Computation of Earnings Per Share"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of earnings per share."
       }
      }
     },
     "auth_ref": [
      "r83"
     ]
    },
    "ifrs-full_EarningsPerShareLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EarningsPerShareLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/EarningsPerShareAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EarningsPerShareSummaryOfEarningsAndWeightedAverageNumberOfOrdinarySharesOutstandingInComputationOfEarningsPerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Earnings per share [line items]",
        "terseLabel": "Earnings per share [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_EarningsPerShareTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EarningsPerShareTable",
     "presentation": [
      "http://www.aseglobal.com/role/EarningsPerShareAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EarningsPerShareSummaryOfEarningsAndWeightedAverageNumberOfOrdinarySharesOutstandingInComputationOfEarningsPerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Earnings per share [table]",
        "terseLabel": "Earnings per share [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to earnings per share."
       }
      }
     },
     "auth_ref": [
      "r83"
     ]
    },
    "ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EffectOfExchangeRateChangesOnCashAndCashEquivalents",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents",
       "weight": 1.0,
       "order": 72.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Effect of exchange rate changes on cash and cash equivalents",
        "terseLabel": "EFFECTS OF EXCHANGE RATE CHANGES ON THE BALANCE OF CASH AND CASH EQUIVALENTS HELD IN FOREIGN CURRENCY"
       }
      },
      "en": {
       "role": {
        "documentation": "The effect of exchange rate changes on cash and cash equivalents held or due in a foreign currency. [Refer: Cash and cash equivalents]"
       }
      }
     },
     "auth_ref": [
      "r135",
      "r136"
     ]
    },
    "asx_EffectOfPotentiallyDilutiveOrdinarySharesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "EffectOfPotentiallyDilutiveOrdinarySharesAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/EarningsPerShareSummaryOfEarningsAndWeightedAverageNumberOfOrdinarySharesOutstandingInComputationOfEarningsPerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Effect Of Potentially Dilutive Ordinary Shares [abstract]",
        "terseLabel": "Effect of potentially dilutive ordinary shares:",
        "documentation": "Effect of potentially dilutive ordinary shares."
       }
      }
     },
     "auth_ref": []
    },
    "asx_EffectiveInterestRateOnUnsecuredSubordinateCorporateBonds": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "EffectiveInterestRateOnUnsecuredSubordinateCorporateBonds",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Effective Interest Rate On Unsecured Subordinate Corporate Bonds",
        "terseLabel": "Effective interest rate",
        "documentation": "Effective interest rate on unsecured subordinate corporate bonds."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ElectronicComponentsManufacturingServiceMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ElectronicComponentsManufacturingServiceMember",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfRevenueFromMajorProductsAndServicesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Electronic components manufacturing service [member]",
        "verboseLabel": "EMS [member]",
        "documentation": "Electronic components manufacturing service."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ElectronicManufacturingServiceSegmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ElectronicManufacturingServiceSegmentMember",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Electronic Manufacturing Service Segment [member]",
        "terseLabel": "EMS segment [member]",
        "documentation": "Electronic manufacturing service segment."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_EliminationOfIntersegmentAmountsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EliminationOfIntersegmentAmountsMember",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Elimination of intersegment amounts [member]",
        "terseLabel": "Inter-group revenues [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the elimination of intersegment amounts in the reconciliations of total segment amounts to amounts recognised in the entity's financial statements."
       }
      }
     },
     "auth_ref": [
      "r667",
      "r668"
     ]
    },
    "ifrs-full_EmployeeBenefitsExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EmployeeBenefitsExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeeBenefitsExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Employee benefits expense",
        "terseLabel": "Employee benefits expense"
       }
      }
     },
     "auth_ref": [
      "r354",
      "r540",
      "r602",
      "r688"
     ]
    },
    "asx_EmployeeCategoryAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "EmployeeCategoryAxis",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Employee Category [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_EmployeeCategoryDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "EmployeeCategoryDomain",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Employee Category [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_EmployeeRestrictedStockAwardMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "EmployeeRestrictedStockAwardMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutEmployeeRestrictedStockAwardsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Employee Restricted Stock Award [Member]",
        "documentation": "Employee restricted stock award."
       }
      }
     },
     "auth_ref": []
    },
    "asx_EmployeeRestrictedStockAwards": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "EmployeeRestrictedStockAwards",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail": {
       "parentTag": "asx_SharePremiumMayNotBeUsedForAnyPurpose",
       "weight": 1.0,
       "order": 17.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Employee Restricted Stock Awards",
        "terseLabel": "Employee restricted stock awards",
        "documentation": "Employee restricted stock awards."
       }
      }
     },
     "auth_ref": []
    },
    "asx_EmployeeRestrictedStockAwardsPlanMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "EmployeeRestrictedStockAwardsPlanMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutEmployeeRestrictedStockAwardsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Employee restricted stock awards plan [Member]",
        "documentation": "Employee restricted stock awards plan"
       }
      }
     },
     "auth_ref": []
    },
    "asx_EmployeeRestrictedStockAwardsissues": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "EmployeeRestrictedStockAwardsissues",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfUnearnedEmployeeCompensationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Employee Restricted Stock Awards ,Issues",
        "verboseLabel": "Issuance of shares",
        "documentation": "Employee restricted stock awards issues."
       }
      }
     },
     "auth_ref": []
    },
    "asx_EmployeeShareOptions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "EmployeeShareOptions",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail": {
       "parentTag": "asx_SharePremiumMayNotBeUsedForAnyPurpose",
       "weight": 1.0,
       "order": 15.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Employee share options",
        "terseLabel": "Employee share options",
        "documentation": "Employee share options."
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_EmployeeStockOptionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "EmployeeStockOptionMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Employee Stock Option [Member]",
        "terseLabel": "Employee Stock Option"
       }
      }
     },
     "auth_ref": []
    },
    "asx_EmployeesCompensation": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "EmployeesCompensation",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeesCompensationAndRemunerationToDirectorsDetail",
      "http://www.aseglobal.com/role/SignificantEventsAfterReportingPeriodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Employees' compensation",
        "terseLabel": "Employees' compensation",
        "documentation": "Employees' compensation."
       }
      }
     },
     "auth_ref": []
    },
    "asx_EmsSegmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "EmsSegmentMember",
     "presentation": [
      "http://www.aseglobal.com/role/GoodwillSummaryOfCarryingAmountsOfGoodwillAllocatedToCashGeneratingUnitsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "EMS Segment [Member]",
        "documentation": "EMS segment."
       }
      }
     },
     "auth_ref": []
    },
    "asx_EnElectronicNetworkSrlMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "EnElectronicNetworkSrlMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "EN ELECTRONIC NETWORK SRL [Member]",
        "terseLabel": "EN ELECTRONICNETWORK SRL [member]"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressAddressLine1": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressAddressLine1",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Address Line One",
        "documentation": "Address Line 1 such as Attn, Building Name, Street Name"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressAddressLine2": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressAddressLine2",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Address Line Two",
        "documentation": "Address Line 2 such as Street or Suite number"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressCityOrTown": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressCityOrTown",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, City or Town",
        "documentation": "Name of the City or Town"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressCountry": {
     "xbrltype": "countryCodeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressCountry",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Country",
        "documentation": "ISO 3166-1 alpha-2 country code."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressPostalZipCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressPostalZipCode",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Postal Zip Code",
        "documentation": "Code for the postal or zip code"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressesAddressTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressesAddressTypeAxis",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Addresses, Address Type [Axis]",
        "documentation": "The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityCentralIndexKey": {
     "xbrltype": "centralIndexKeyItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityCentralIndexKey",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Central Index Key",
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK."
       }
      }
     },
     "auth_ref": [
      "r700"
     ]
    },
    "dei_EntityCommonStockSharesOutstanding": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityCommonStockSharesOutstanding",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Common Stock, Shares Outstanding",
        "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityCurrentReportingStatus": {
     "xbrltype": "yesNoItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityCurrentReportingStatus",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Current Reporting Status",
        "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityEmergingGrowthCompany": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityEmergingGrowthCompany",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Emerging Growth Company",
        "terseLabel": "Entity Emerging Growth Company",
        "documentation": "Indicate if registrant meets the emerging growth company criteria."
       }
      }
     },
     "auth_ref": [
      "r700"
     ]
    },
    "dei_EntityFileNumber": {
     "xbrltype": "fileNumberItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityFileNumber",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity File Number",
        "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityFilerCategory": {
     "xbrltype": "filerCategoryItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityFilerCategory",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Filer Category",
        "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure."
       }
      }
     },
     "auth_ref": [
      "r700"
     ]
    },
    "dei_EntityIncorporationStateCountryCode": {
     "xbrltype": "edgarStateCountryItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityIncorporationStateCountryCode",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Incorporation, State or Country Code",
        "documentation": "Two-character EDGAR code representing the state or country of incorporation."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityInteractiveDataCurrent": {
     "xbrltype": "yesNoItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityInteractiveDataCurrent",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Interactive Data Current",
        "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files)."
       }
      }
     },
     "auth_ref": [
      "r809"
     ]
    },
    "dei_EntityRegistrantName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityRegistrantName",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Registrant Name",
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC."
       }
      }
     },
     "auth_ref": [
      "r700"
     ]
    },
    "dei_EntityShellCompany": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityShellCompany",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Shell Company",
        "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act."
       }
      }
     },
     "auth_ref": [
      "r700"
     ]
    },
    "dei_EntityVoluntaryFilers": {
     "xbrltype": "yesNoItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityVoluntaryFilers",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Voluntary Filers",
        "documentation": "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityWellKnownSeasonedIssuer": {
     "xbrltype": "yesNoItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityWellKnownSeasonedIssuer",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Well-known Seasoned Issuer",
        "documentation": "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A."
       }
      }
     },
     "auth_ref": [
      "r810"
     ]
    },
    "ecd_EqtyAwrdsAdjFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "EqtyAwrdsAdjFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Awards Adjustments, Footnote [Text Block]",
        "terseLabel": "Equity Awards Adjustments, Footnote"
       }
      }
     },
     "auth_ref": [
      "r752"
     ]
    },
    "ecd_EqtyAwrdsAdjsExclgValRprtdInSummryCompstnTblMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "EqtyAwrdsAdjsExclgValRprtdInSummryCompstnTblMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member]",
        "terseLabel": "Equity Awards Adjustments, Excluding Value Reported in Compensation Table"
       }
      }
     },
     "auth_ref": [
      "r805"
     ]
    },
    "ecd_EqtyAwrdsAdjsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "EqtyAwrdsAdjsMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Awards Adjustments [Member]",
        "terseLabel": "Equity Awards Adjustments"
       }
      }
     },
     "auth_ref": [
      "r805"
     ]
    },
    "ecd_EqtyAwrdsInSummryCompstnTblForAplblYrMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "EqtyAwrdsInSummryCompstnTblForAplblYrMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member]",
        "terseLabel": "Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table"
       }
      }
     },
     "auth_ref": [
      "r805"
     ]
    },
    "ifrs-full_Equity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Equity",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_EquityAndLiabilities",
       "weight": 1.0,
       "order": 46.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity",
      "http://www.aseglobal.com/role/EquitySummaryOfExchangeDifferencesOnTranslatingForeignOperationsDetail",
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity",
        "totalLabel": "Total equity",
        "periodStartLabel": "Beginning balance",
        "periodEndLabel": "Ending balance"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of residual interest in the assets of the entity after deducting all its liabilities."
       }
      }
     },
     "auth_ref": [
      "r154",
      "r156",
      "r191",
      "r192",
      "r197",
      "r427",
      "r460",
      "r515",
      "r516",
      "r534",
      "r567",
      "r574"
     ]
    },
    "ifrs-full_EquityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EquityAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity [abstract]",
        "verboseLabel": "EQUITY ATTRIBUTABLE TO OWNERS OF THE COMPANY (Note\u00a024)"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_EquityAndLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EquityAndLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity and liabilities",
        "totalLabel": "TOTAL"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of the entity's equity and liabilities. [Refer: Equity; Liabilities]"
       }
      }
     },
     "auth_ref": [
      "r567"
     ]
    },
    "ifrs-full_EquityAndLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EquityAndLiabilitiesAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity and liabilities [abstract]",
        "terseLabel": "LIABILITIES AND EQUITY"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_EquityAttributableToOwnersOfParent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EquityAttributableToOwnersOfParent",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_Equity",
       "weight": 1.0,
       "order": 47.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity attributable to owners of parent",
        "totalLabel": "Equity attributable to owners of the Company"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of equity attributable to the owners of the parent. This specifically excludes non-controlling interest."
       }
      }
     },
     "auth_ref": [
      "r566"
     ]
    },
    "ifrs-full_EquityAttributableToOwnersOfParentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EquityAttributableToOwnersOfParentMember",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity attributable to owners of parent [member]",
        "terseLabel": "Equity attributable to owners of the company [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for equity attributable to the owners of the parent."
       }
      }
     },
     "auth_ref": [
      "r546"
     ]
    },
    "asx_EquityComponentOfConvertibleBondsIssuedBySubsidiaries": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "EquityComponentOfConvertibleBondsIssuedBySubsidiaries",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Component Of Convertible Bonds Issued By Subsidiaries",
        "terseLabel": "Equity component of convertible bonds issued by subsidiaries",
        "documentation": "Equity component of convertible bonds issued by subsidiaries."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_EquityInstrumentsAmountContributedToFairValueOfPlanAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EquityInstrumentsAmountContributedToFairValueOfPlanAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfFairValueOfThePlanAssetsByMajorCategoriesDetail": {
       "parentTag": "ifrs-full_PlanAssetsAtFairValue",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfFairValueOfThePlanAssetsByMajorCategoriesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity instruments, amount contributed to fair value of plan assets",
        "terseLabel": "Equity instruments"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount instruments representing equity (rather than debt) contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [domain]]"
       }
      }
     },
     "auth_ref": [
      "r613",
      "r680"
     ]
    },
    "asx_EquityInstrumentsFairValueOtherComprehensiveIncomeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "EquityInstrumentsFairValueOtherComprehensiveIncomeMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Instruments Fair Value Other Comprehensive Income [member]",
        "terseLabel": "FVOCI equity instruments [member]",
        "documentation": "Equity instruments fair value other comprehensive income."
       }
      }
     },
     "auth_ref": []
    },
    "asx_EquityLinkedStructuredProductsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "EquityLinkedStructuredProductsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Linked Structured Products [Member]",
        "terseLabel": "Equity-linked structured products[member]",
        "documentation": "Equity linked structured products."
       }
      }
     },
     "auth_ref": []
    },
    "asx_EquityTransactionsWithNoncontrollingInterestsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "EquityTransactionsWithNoncontrollingInterestsExplanatory",
     "presentation": [
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterests"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity transactions with Non-controlling interests [text block]",
        "terseLabel": "Equity Transaction with Non-controlling Interests",
        "documentation": "The entire disclosure of equity transactions with Non-controlling interests."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_EquityValuationAssumptionDifferenceFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "EquityValuationAssumptionDifferenceFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Equity Valuation Assumption Difference, Footnote [Text Block]",
        "terseLabel": "Equity Valuation Assumption Difference, Footnote"
       }
      }
     },
     "auth_ref": [
      "r762"
     ]
    },
    "ecd_ErrCompAnalysisTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ErrCompAnalysisTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Erroneous Compensation Analysis [Text Block]",
        "terseLabel": "Erroneous Compensation Analysis"
       }
      }
     },
     "auth_ref": [
      "r719",
      "r730",
      "r740",
      "r773"
     ]
    },
    "ecd_ErrCompRecoveryTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ErrCompRecoveryTable",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Erroneously Awarded Compensation Recovery [Table]",
        "terseLabel": "Erroneously Awarded Compensation Recovery"
       }
      }
     },
     "auth_ref": [
      "r716",
      "r727",
      "r737",
      "r770"
     ]
    },
    "ifrs-full_EstimateOfBenefitPaymentsExpectedToBePaidFromDefinedBenefitPlan": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EstimateOfBenefitPaymentsExpectedToBePaidFromDefinedBenefitPlan",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Estimate of benefit payments expected to be paid from defined benefit plan",
        "terseLabel": "Expected contribution to defined benefit plans"
       }
      },
      "en": {
       "role": {
        "documentation": "The estimate of the amounts expected to be paid from defined benefit plan in future. [Refer: Defined benefit plans [domain]; Maturity [axis]]"
       }
      }
     },
     "auth_ref": [
      "r615"
     ]
    },
    "ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EstimateOfContributionsExpectedToBePaidToPlan",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Estimate of contributions expected to be paid to plan for next annual reporting period",
        "verboseLabel": "Expected contribution to defined benefit plans in 2025"
       }
      },
      "en": {
       "role": {
        "documentation": "The estimate of the expected contributions to be made to a defined benefit plan for the next annual reporting period. [Refer: Defined benefit plans [domain]]"
       }
      }
     },
     "auth_ref": [
      "r44",
      "r46",
      "r415"
     ]
    },
    "srt_EuropeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "EuropeMember",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfGeographicalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Europe [Member]",
        "terseLabel": "Europe [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_ExchangeRateDescription": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ExchangeRateDescription",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfRealizedAndUnrealizedForeignExchangeGainLossDetail",
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Exchange rate description",
        "terseLabel": "Exchange Rate",
        "verboseLabel": "Exchange Rate",
        "documentation": "Exchange rate description."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_ExecutiveCategoryAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ExecutiveCategoryAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Executive Category [Axis]",
        "terseLabel": "Executive Category:"
       }
      }
     },
     "auth_ref": [
      "r768"
     ]
    },
    "asx_ExercisePriceOfOutstandingRestrictedShares2019": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ExercisePriceOfOutstandingRestrictedShares2019",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfOutstandingRestrictedSharesAtBalanceSheetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Exercise Price of Outstanding Restricted Shares 2019",
        "terseLabel": "Range of Exercise Price Per Share",
        "documentation": "Exercise Price of Outstanding Restricted Shares 2019."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ExercisePriceOfOutstandingShareOptions2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ExercisePriceOfOutstandingShareOptions2019",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfAseIncOptionPlansOutstandingShareOptionsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfUsishSOutstandingShareOptionsBalanceSheetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Exercise price of outstanding share options",
        "verboseLabel": "Range of Exercise Price Per Share"
       }
      },
      "en": {
       "role": {
        "documentation": "The exercise price of outstanding share options."
       }
      }
     },
     "auth_ref": [
      "r242"
     ]
    },
    "ifrs-full_ExercisePriceShareOptionsGranted2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ExercisePriceShareOptionsGranted2019",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfFairValueUsingTrinomialTreeModelAndInputsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Exercise price, share options granted",
        "terseLabel": "Exercise price, per share",
        "verboseLabel": "Exercise price"
       }
      },
      "en": {
       "role": {
        "documentation": "The exercise price of share options granted."
       }
      }
     },
     "auth_ref": [
      "r244"
     ]
    },
    "asx_ExercisedDisgorgement": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ExercisedDisgorgement",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail": {
       "parentTag": "asx_SharePremiumMayBeUsedToOffsetDeficitOnly",
       "weight": 1.0,
       "order": 13.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Exercised Disgorgement",
        "terseLabel": "Exercised disgorgement",
        "documentation": "Exercised disgorgement."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ExercisedEmployeeShareOptions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ExercisedEmployeeShareOptions",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail": {
       "parentTag": "asx_SharePremiumMayBeUsedToOffsetDeficitDistributedAsCashDividendsOrTransferredToShareCapital",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Exercised employee share options",
        "terseLabel": "Exercised employee share options",
        "documentation": "Exercised employee share options."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ExpectedCreditLossAllowanceForCurrentFinancialAssetsAtFairValueRoutedThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ExpectedCreditLossAllowanceForCurrentFinancialAssetsAtFairValueRoutedThroughOtherComprehensiveIncome",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceForCurrentFinancialAssetsAtFvtociDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expected Credit Loss Allowance For Current Financial Assets At Fair Value Routed Through Other Comprehensive Income",
        "verboseLabel": "Loss allowance (Lifetime ECLs)",
        "documentation": "Expected Credit Loss Allowance For Current Financial Assets At Fair Value Routed Through Other Comprehensive Income."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ExpectedCreditLossRate": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ExpectedCreditLossRate",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expected credit loss rate",
        "terseLabel": "Expected credit loss rate"
       }
      },
      "en": {
       "role": {
        "documentation": "The rate of expected credit losses, calculated as percentage of the gross carrying amount. Expected credit losses are the weighted average of credit losses with the respective risks of a default occurring as the weights."
       }
      }
     },
     "auth_ref": [
      "r649",
      "r662"
     ]
    },
    "asx_ExpectedCreditLossRateOne": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ExpectedCreditLossRateOne",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceForCurrentFinancialAssetsAtFvtociDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expected Credit Loss Rate One",
        "verboseLabel": "Expected credit loss rate",
        "documentation": "Expected Credit Loss Rate One"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ExpenseFromCashsettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ExpenseFromCashsettledSharebasedPaymentTransactionsInWhichGoodsOrServicesReceivedDidNotQualifyForRecognitionAsAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expense from cash-settled share-based payment transactions in which goods or services received did not qualify for recognition as assets",
        "terseLabel": "Compensation cost of employee share options"
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "ifrs-full_ExpenseFromSharebasedPaymentTransactionsWithEmployees": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ExpenseFromSharebasedPaymentTransactionsWithEmployees",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeeBenefitsExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expense from share-based payment transactions with employees",
        "verboseLabel": "Equity-settled share-based payments"
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "ifrs-full_ExpenseRelatingToLeasesOfLowvalueAssetsForWhichRecognitionExemptionHasBeenUsed": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ExpenseRelatingToLeasesOfLowvalueAssetsForWhichRecognitionExemptionHasBeenUsed",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfOtherRelatedLeaseInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expense relating to leases of low-value assets for which recognition exemption has been used",
        "terseLabel": "Expenses relating to\u00a0low-value\u00a0assets leases"
       }
      }
     },
     "auth_ref": [
      "r210",
      "r338"
     ]
    },
    "ifrs-full_ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ExpenseRelatingToShorttermLeasesForWhichRecognitionExemptionHasBeenUsed",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfOtherRelatedLeaseInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expense relating to short-term leases for which recognition exemption has been used",
        "terseLabel": "Expenses relating to short-term leases"
       }
      }
     },
     "auth_ref": [
      "r209",
      "r337"
     ]
    },
    "ifrs-full_ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ExpenseRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfLeaseLiabilities",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfOtherRelatedLeaseInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expense relating to variable lease payments not included in measurement of lease liabilities",
        "terseLabel": "Expenses relating to variable lease payments not included in the measurement of lease liabilities"
       }
      }
     },
     "auth_ref": [
      "r211",
      "r339"
     ]
    },
    "asx_ExpiredEmployeeShareOptions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ExpiredEmployeeShareOptions",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail": {
       "parentTag": "asx_SharePremiumMayBeUsedToOffsetDeficitDistributedAsCashDividendsOrTransferredToShareCapital",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Expired employee share options",
        "terseLabel": "Expired share options",
        "documentation": "Expired employee share options."
       }
      }
     },
     "auth_ref": []
    },
    "asx_FVOCIDebtInstrumentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FVOCIDebtInstrumentsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "FVOCI Debt Instruments [member]",
        "terseLabel": "FVOCI debt instruments [member]",
        "documentation": "FVOCI Debt Instruments [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_FafgInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FafgInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "FAFG Investor [Member]",
        "terseLabel": "FAFG [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_FafgMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FafgMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "FAFG [Member]",
        "terseLabel": "FAFG [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_FairValueHedgeOfBorrowingsDenominatedInForeignCurrenciesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FairValueHedgeOfBorrowingsDenominatedInForeignCurrenciesMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesItemsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair Value Hedge Of Borrowings Denominated In Foreign Currencies [Member]",
        "terseLabel": "Fair value hedge of borrowings denominated in foreign currencies [member]",
        "documentation": "Fair value hedge of borrowings denominated in foreign currencies."
       }
      }
     },
     "auth_ref": []
    },
    "asx_FairValueInterestRateRiskMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FairValueInterestRateRiskMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfInterestRateRiskDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair value interest rate risk [member]",
        "terseLabel": "Fair value interest rate risk [member]",
        "documentation": "Fair value interest rate risk."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfFairValuesOfInvestmentsInAssociatesWithAvailablePublishedPriceQuotationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair value of investments in associates for which there are quoted market prices",
        "terseLabel": "Fair value of investments in associates with available published price quotation"
       }
      },
      "en": {
       "role": {
        "documentation": "The fair value of investments in associates if there are quoted market prices for the investment. [Refer: Total for all associates [member]; Investments in associates reported in separate financial statements]"
       }
      }
     },
     "auth_ref": [
      "r169",
      "r513"
     ]
    },
    "asx_FairValueOfInvestmentsInDebtInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FairValueOfInvestmentsInDebtInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeDetail": {
       "parentTag": "ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfInvestmentsInDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair value of investments in debt instruments designated as measured at fair value through other comprehensive income",
        "verboseLabel": "Investments in debt instruments",
        "terseLabel": "Investments in debt instruments at FVTOCI",
        "definitionGuidance": "Unsecured cumulative subordinate corporate bonds",
        "documentation": "Fair value of investments in debt instruments designated as measured at fair value through other comprehensive income."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeDetail": {
       "parentTag": "ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfInvestmentsInEquityInstrumentsAtFairValueThroughOtherComprehensiveIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investments in equity instruments designated at fair value through other comprehensive income",
        "verboseLabel": "Investments in equity instruments",
        "terseLabel": "Investments in equity instruments at FVTOCI"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of investments in equity instruments that the entity has designated at fair value through other comprehensive income. [Refer: At fair value [member]; Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r265",
      "r300",
      "r490"
     ]
    },
    "asx_FairValueOfTheEmployeeRestrictedStockAward": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FairValueOfTheEmployeeRestrictedStockAward",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair value of the employee restricted stock award",
        "terseLabel": "Fair value of the employee restricted stock award",
        "documentation": "Fair value of the employee restricted stock award."
       }
      }
     },
     "auth_ref": []
    },
    "asx_FairValueOfUnsecuredSubordinatedCorporateBondsDecreased": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FairValueOfUnsecuredSubordinatedCorporateBondsDecreased",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair value of unsecured subordinated corporate bonds decreased",
        "terseLabel": "Fair value of bonds decreased",
        "documentation": "Fair value of unsecured subordinated corporate bonds decreased."
       }
      }
     },
     "auth_ref": []
    },
    "asx_FairValueThroughProfitOrLossClassifiedAsHeldForTradingAtFinancialLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FairValueThroughProfitOrLossClassifiedAsHeldForTradingAtFinancialLiabilities",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfCategoriesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fair value through profit or loss, classified as held for trading at financial liabilities",
        "positiveTerseLabel": "Held for trading",
        "documentation": "Fair value through profit or loss, classified as held for trading at financial liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "asx_FifthShareOptionsExercisePriceMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FifthShareOptionsExercisePriceMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfAseIncOptionPlansOutstandingShareOptionsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fifth share options exercise price [member]",
        "terseLabel": "Fifth share options exercise price [member]",
        "documentation": "Fifth share options exercise price."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_FinanceCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinanceCosts",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "asx_NonoperatingIncomeAndExpenses",
       "weight": -1.0,
       "order": 22.0
      },
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfFinanceCostsDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfFinanceCostsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Finance costs",
        "negatedTerseLabel": "Finance costs",
        "totalLabel": "Finance costs"
       }
      }
     },
     "auth_ref": [
      "r592"
     ]
    },
    "ifrs-full_FinanceIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinanceIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "asx_NonoperatingIncomeAndExpenses",
       "weight": 1.0,
       "order": 20.0
      },
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherIncomeDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Finance income",
        "verboseLabel": "Other income",
        "totalLabel": "Other income"
       }
      }
     },
     "auth_ref": [
      "r857"
     ]
    },
    "ifrs-full_FinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfInterestRateRiskDetail",
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial assets",
        "terseLabel": "Financial assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity\u2019s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity\u2019s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity\u2019s own equity instruments. For this purpose the entity\u2019s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity\u2019s own equity instruments. [Refer: Classes of financial instruments [domain]; Financial liabilities]"
       }
      }
     },
     "auth_ref": [
      "r277",
      "r282",
      "r283",
      "r286",
      "r502",
      "r503",
      "r505",
      "r649"
     ]
    },
    "ifrs-full_FinancialAssetsAtAmortisedCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtAmortisedCost",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfCategoriesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial assets at amortised cost",
        "terseLabel": "Measured at amortized cost (Note 1)"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of financial assets at amortised cost. The amortised cost is the amount at which financial assets are measured at initial recognition minus principal repayments, plus or minus the cumulative amortisation using the effective interest method of any difference between that initial amount and the maturity amount, and adjusted for any impairment. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r298",
      "r487"
     ]
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValueThroughOtherComprehensiveIncome",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfUnrealizedGainLossOnFinancialAssetsAtFvtociDetail",
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial assets at fair value through other comprehensive income",
        "totalLabel": "Total",
        "periodStartLabel": "Balance at January 1",
        "periodEndLabel": "Ending balance"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of financial assets at fair value through other comprehensive income. [Refer: At fair value [member]; Financial assets; Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r300",
      "r491"
     ]
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial assets at fair value through other comprehensive income [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfCategoriesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial assets at fair value through other comprehensive income, category [member]",
        "terseLabel": "Financial assets at fair value through other comprehensive income, category [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the financial assets at fair value through other comprehensive income category. [Refer: Financial assets at fair value through other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r300",
      "r491"
     ]
    },
    "asx_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfUnrealizedGainLossOnFinancialAssetsAtFvtociDetail",
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfInvestmentsInDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial assets at fair value through other comprehensive income [line items]",
        "terseLabel": "Financial assets at fair value through other comprehensive income [line items]",
        "documentation": "Financial assets at fair value through other comprehensive income [line items]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeRealizedLossGainFromDisposalOfAssociatesAndJointVentureAccountedForUsingTheEquityMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeRealizedLossGainFromDisposalOfAssociatesAndJointVentureAccountedForUsingTheEquityMethod",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfUnrealizedGainLossOnFinancialAssetsAtFvtociDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial assets at fair value through other comprehensive income, Realized loss (gain) from disposal of associates and joint venture accounted for using the equity method",
        "terseLabel": "Cumulative unrealized gain transferred to retained earnings due to disposal of equity instruments in relation to associates and joint venture accounted for using the equity method",
        "documentation": "Financial assets at fair value through other comprehensive income, Realized loss (gain) from disposal of associates and joint venture accounted for using the equity method."
       }
      }
     },
     "auth_ref": []
    },
    "asx_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeRealizedLossGainFromDisposalOfEquityInstrumentsAndTransferredCumulativeGainOrLossToRetainedEarnings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeRealizedLossGainFromDisposalOfEquityInstrumentsAndTransferredCumulativeGainOrLossToRetainedEarnings",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfUnrealizedGainLossOnFinancialAssetsAtFvtociDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial assets at fair value through other comprehensive income, Realized loss (gain) from disposal of equity instruments and transferred cumulative gain or loss to retained earnings",
        "terseLabel": "Cumulative unrealized loss of equity instruments transferred to retained earnings due to disposal",
        "documentation": "Financial assets at fair value through other comprehensive income, Realized loss (gain) from disposal of equity instruments and transferred cumulative gain or loss to retained earnings."
       }
      }
     },
     "auth_ref": []
    },
    "asx_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfUnrealizedGainLossOnFinancialAssetsAtFvtociDetail",
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfInvestmentsInDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial assets at fair value through other comprehensive income [table]",
        "terseLabel": "Financial assets at fair value through other comprehensive income [table]",
        "documentation": "Financial assets at fair value through other comprehensive income [table]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeUnrealizedGainLossFromShareFromAssociatesAndJointVentureAccountedForUsingEquityMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeUnrealizedGainLossFromShareFromAssociatesAndJointVentureAccountedForUsingEquityMethod",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfUnrealizedGainLossOnFinancialAssetsAtFvtociDetail": {
       "parentTag": "ifrs-full_OtherComprehensiveIncome",
       "weight": -1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfUnrealizedGainLossOnFinancialAssetsAtFvtociDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial assets at fair value through other comprehensive income, Unrealized gain (loss) from share from associates and joint venture accounted for using equity method",
        "negatedLabel": "Share from associates and joint ventures accounted for using the equity method",
        "documentation": "Financial assets at fair value through other comprehensive income, Unrealized gain (loss) from share from associates and joint venture accounted for using equity method"
       }
      }
     },
     "auth_ref": []
    },
    "asx_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeUnrealizedGainLossInDebtInstruments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeUnrealizedGainLossInDebtInstruments",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfUnrealizedGainLossOnFinancialAssetsAtFvtociDetail": {
       "parentTag": "ifrs-full_OtherComprehensiveIncome",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfUnrealizedGainLossOnFinancialAssetsAtFvtociDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial assets at fair value through other comprehensive income, Unrealized gain (loss) in debt instruments",
        "negatedLabel": "Debt instruments",
        "documentation": "Financial assets at fair value through other comprehensive income, Unrealized gain (loss) in debt instruments."
       }
      }
     },
     "auth_ref": []
    },
    "asx_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeUnrealizedGainLossInEquityInstruments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeUnrealizedGainLossInEquityInstruments",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfUnrealizedGainLossOnFinancialAssetsAtFvtociDetail": {
       "parentTag": "ifrs-full_OtherComprehensiveIncome",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfUnrealizedGainLossOnFinancialAssetsAtFvtociDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial assets at fair value through other comprehensive income, Unrealized gain (loss) in equity instruments",
        "negatedLabel": "Equity instruments",
        "documentation": "Financial assets at fair value through other comprehensive income, Unrealized gain (loss) in equity instruments."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValueThroughProfitOrLoss",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial assets at fair value through profit or loss",
        "totalLabel": "Total"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of financial assets that are measured at fair value and for which gains (losses) are recognised in profit or loss. A financial asset shall be measured at fair value through profit or loss unless it is measured at amortised cost or at fair value through other comprehensive income. A gain (loss) on a financial asset measured at fair value shall be recognised in profit or loss unless it is part of a hedging relationship, it is an investment in an equity instrument for which the entity has elected to present gains and losses in other comprehensive income or it is a financial asset measured at fair value through other comprehensive income. [Refer: At fair value [member]; Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r296",
      "r483"
     ]
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial assets at fair value through profit or loss, category [member]",
        "terseLabel": "Mandatorily at fair value through profit or loss [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the financial assets at fair value through profit or loss category. [Refer: Financial assets at fair value through profit or loss]"
       }
      }
     },
     "auth_ref": [
      "r296",
      "r483"
     ]
    },
    "ifrs-full_FinancialAssetsAvailableforsaleCategoryMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAvailableforsaleCategoryMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial assets available-for-sale, category [member]",
        "terseLabel": "Available-for-sale [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the financial assets available-for-sale category. [Refer: Financial assets available-for-sale]"
       }
      }
     },
     "auth_ref": [
      "r536"
     ]
    },
    "ifrs-full_FinancialAssetsWhichDoNotQualifyForDerecognitionAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsWhichDoNotQualifyForDerecognitionAxis",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Transferred financial assets that are not derecognised in their entirety [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r290",
      "r508"
     ]
    },
    "ifrs-full_FinancialAssetsWhichDoNotQualifyForDerecognitionDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsWhichDoNotQualifyForDerecognitionDomain",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Transferred financial assets that are not derecognised in their entirety [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for transferred financial assets that are not derecognised in their entirety. It also represents the standard value for the 'Transferred financial assets that are not derecognised in their entirety' axis if no other member is used. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r290",
      "r508"
     ]
    },
    "ifrs-full_FinancialLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialLiabilities",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationAdditionalInformationDetail",
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfSupplierFinancingArrangementsReceivedPaymentDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfInterestRateRiskDetail",
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial liabilities",
        "terseLabel": "Financial liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of liabilities that are: (a) a contractual obligation: (i) to deliver cash or another financial asset to another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially unfavourable to the entity; or (b) a contract that will, or may be, settled in the entity\u2019s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to deliver a variable number of the entity\u2019s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity\u2019s own equity instruments. For this purpose, rights, options or warrants to acquire a fixed number of the entity\u2019s own equity instruments for a fixed amount of any currency are equity instruments if the entity offers the rights, options or warrants pro rata to all of its existing owners of the same class of its own non-derivative equity instruments. Also, for those purposes the entity\u2019s own equity instruments do not include puttable financial instruments that are classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity\u2019s own equity instruments. As an exception, an instrument that meets the definition of a financial liability is classified as an equity instrument if it has all the features and meets the conditions in paragraphs 16A-16B or paragraphs 16C-16D of IAS 32. [Refer: Classes of financial instruments [domain]; Financial assets; Derivatives [member]]"
       }
      }
     },
     "auth_ref": [
      "r277"
     ]
    },
    "ifrs-full_FinancialLiabilitiesAtAmortisedCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialLiabilitiesAtAmortisedCost",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfCategoriesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial liabilities at amortised cost",
        "terseLabel": "Measured at amortized cost (Note 2)"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of financial liabilities at amortised cost. The amortised cost is the amount at which financial liabilities are measured at initial recognition minus principal repayments, plus or minus the cumulative amortisation using the effective interest method of any difference between that initial amount and the maturity amount. [Refer: Financial liabilities]"
       }
      }
     },
     "auth_ref": [
      "r299",
      "r488"
     ]
    },
    "ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialLiabilitiesAtFairValueThroughProfitOrLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial liabilities at fair value through profit or loss",
        "totalLabel": "Total"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of financial liabilities that meet either of the following conditions: (a) they meet the definition of held for trading; or (b) upon initial recognition they are designated by the entity as at fair value through profit or loss. An entity may use this designation only when permitted by paragraph 4.3.5 of IFRS 9 (embedded derivatives) or when doing so results in more relevant information, because either: (a) it eliminates or significantly reduces a measurement or recognition inconsistency (sometimes referred to as \u2018an accounting mismatch\u2019) that would otherwise arise from measuring assets or liabilities or recognising the gains and losses on them on different bases; or (b) a group of financial liabilities or financial assets and financial liabilities is managed and its performance is evaluated on a fair value basis, in accordance with a documented risk management or investment strategy, and information about the group is provided internally on that basis to the entity\u2019s key management personnel (as defined in IAS 24). [Refer: At fair value [member]; Key management personnel of entity or parent [member]; Derivatives [member]; Financial assets; Financial liabilities]"
       }
      }
     },
     "auth_ref": [
      "r297",
      "r486"
     ]
    },
    "asx_FinancialLiabilitiesDesignatedAsHedgingInstrumentsAtFairValueThroughProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FinancialLiabilitiesDesignatedAsHedgingInstrumentsAtFairValueThroughProfitOrLoss",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfCategoriesOfFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial liabilities designated as hedging instruments at fair value through profit or loss",
        "terseLabel": "Financial liabilities for hedging",
        "documentation": "Financial liabilities designated as hedging instruments at fair value through profit or loss"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_FinancialLiabilitiesThatArePartOfSupplierFinanceArrangementsForWhichSuppliersHaveReceivedPaymentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialLiabilitiesThatArePartOfSupplierFinanceArrangementsForWhichSuppliersHaveReceivedPaymentMember",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationAdditionalInformationDetail",
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfSupplierFinancingArrangementsReceivedPaymentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial liabilities that are part of supplier finance arrangements for which suppliers have received payment [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for financial liabilities that are part of a supplier finance arrangement for which suppliers have already received payment from the finance providers."
       }
      }
     },
     "auth_ref": [
      "r145",
      "r374"
     ]
    },
    "asx_FinanciereAfgfafgMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FinanciereAfgfafgMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "FINANCIERE AFG (FAFG) [Member]",
        "terseLabel": "FINANCIERE AFG (\"FAFG\") [member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_FinishedGoods": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinishedGoods",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/InventoriesSummaryOfInventoriesDetail": {
       "parentTag": "ifrs-full_Inventories",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesSummaryOfInventoriesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current finished goods",
        "terseLabel": "Finished goods"
       }
      },
      "en": {
       "role": {
        "documentation": "A classification of current inventory representing the amount of goods that have completed the production process and are held for sale in the ordinary course of business. [Refer: Inventories]"
       }
      }
     },
     "auth_ref": [
      "r686",
      "r694",
      "r825"
     ]
    },
    "asx_FirstShareOptionsExercisePriceMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FirstShareOptionsExercisePriceMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfAseIncOptionPlansOutstandingShareOptionsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "First share options exercise price [member]",
        "terseLabel": "First share options exercise price [member]",
        "documentation": "First share options exercise price [member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_FixedInterestRateMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FixedInterestRateMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Fixed interest rate [member]",
        "terseLabel": "Fixed interest rate [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a fixed interest rate. [Refer: Interest rate risk [member]]"
       }
      }
     },
     "auth_ref": [
      "r842"
     ]
    },
    "ifrs-full_FloatingInterestRateMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FloatingInterestRateMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Floating interest rate [member]",
        "terseLabel": "Floating interest rate [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a non-fixed interest rate. [Refer: Interest rate risk [member]]"
       }
      }
     },
     "auth_ref": [
      "r842"
     ]
    },
    "ecd_ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Forgone Recovery due to Disqualification of Tax Benefits, Amount",
        "terseLabel": "Forgone Recovery due to Disqualification of Tax Benefits, Amount"
       }
      }
     },
     "auth_ref": [
      "r723",
      "r734",
      "r744",
      "r777"
     ]
    },
    "ecd_ForgoneRecoveryDueToExpenseOfEnforcementAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ForgoneRecoveryDueToExpenseOfEnforcementAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Forgone Recovery due to Expense of Enforcement, Amount",
        "terseLabel": "Forgone Recovery due to Expense of Enforcement, Amount"
       }
      }
     },
     "auth_ref": [
      "r723",
      "r734",
      "r744",
      "r777"
     ]
    },
    "ecd_ForgoneRecoveryDueToViolationOfHomeCountryLawAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ForgoneRecoveryDueToViolationOfHomeCountryLawAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Forgone Recovery due to Violation of Home Country Law, Amount",
        "terseLabel": "Forgone Recovery due to Violation of Home Country Law, Amount"
       }
      }
     },
     "auth_ref": [
      "r723",
      "r734",
      "r744",
      "r777"
     ]
    },
    "ecd_ForgoneRecoveryExplanationOfImpracticabilityTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ForgoneRecoveryExplanationOfImpracticabilityTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Forgone Recovery, Explanation of Impracticability [Text Block]",
        "terseLabel": "Forgone Recovery, Explanation of Impracticability"
       }
      }
     },
     "auth_ref": [
      "r723",
      "r734",
      "r744",
      "r777"
     ]
    },
    "ecd_ForgoneRecoveryIndName": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "ForgoneRecoveryIndName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Forgone Recovery, Individual Name",
        "terseLabel": "Name"
       }
      }
     },
     "auth_ref": [
      "r723",
      "r734",
      "r744",
      "r777"
     ]
    },
    "ifrs-full_ForwardContractMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ForwardContractMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForDerivativeFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Forward contract [member]",
        "terseLabel": "Forward exchange contracts [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a contract between two parties for the purchase or sale of an underlying asset at a specified future date for a settlement price determined in advance."
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "asx_ForwardExchangeContractMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ForwardExchangeContractMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Forward Exchange Contract [member]",
        "terseLabel": "Forward exchange contracts [member]",
        "documentation": "Forward exchange contract [member]."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_FrValAsOfPrrYrEndOfEqtyAwrdsGrntdInPrrYrsFldVstngCondsDrngCvrdYrMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "FrValAsOfPrrYrEndOfEqtyAwrdsGrntdInPrrYrsFldVstngCondsDrngCvrdYrMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member]",
        "terseLabel": "Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year"
       }
      }
     },
     "auth_ref": [
      "r757"
     ]
    },
    "asx_FvtplDebtInstrumentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FvtplDebtInstrumentMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "FVTPL Debt Instrument [Member]",
        "terseLabel": "FVTPL debt instrument [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_FvtplEquityInstrumentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FvtplEquityInstrumentMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "FVTPL Equity Instrument [member]",
        "terseLabel": "FVTPL equity instrument [member]",
        "documentation": "FVTPL equity instrument."
       }
      }
     },
     "auth_ref": []
    },
    "asx_FvtplHybridInstrumentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "FvtplHybridInstrumentsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "FVTPL Hybrid Instruments [Member]",
        "verboseLabel": "FVTPL hybrid instruments [member]",
        "documentation": "FVTPL hybrid instruments."
       }
      }
     },
     "auth_ref": []
    },
    "asx_GainLossOnChangeInFairValueOfHedgedItemAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GainLossOnChangeInFairValueOfHedgedItemAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesItemsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gain Loss On Change In Fair Value Of Hedged Item Assets",
        "terseLabel": "Hedged item, assets",
        "documentation": "Gain Loss On Change In Fair Value Of Hedged Item Assets."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_GainLossOnChangeInFairValueOfHedgingInstrumentUsedAsBasisForRecognisingHedgeIneffectiveness": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainLossOnChangeInFairValueOfHedgingInstrumentUsedAsBasisForRecognisingHedgeIneffectiveness",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesItemsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gain (loss) on change in fair value of hedging instrument used as basis for recognising hedge ineffectiveness",
        "terseLabel": "Change\u00a0in\u00a0Value\u00a0Used\u00a0for Calculating\u00a0Hedge\u00a0Ineffectiveness, Hedging Instrument"
       }
      },
      "en": {
       "role": {
        "documentation": "The gain (loss) on the change in fair value of the hedging instrument used as a basis for recognising hedge ineffectiveness. Hedge ineffectiveness is the extent to which the changes in the fair value or the cash flows of the hedging instrument are greater or less than those on the hedged item."
       }
      }
     },
     "auth_ref": [
      "r270",
      "r494"
     ]
    },
    "asx_GainLossOnForeignCurrencyRiskLoansDenominatedInForeignCurrency": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GainLossOnForeignCurrencyRiskLoansDenominatedInForeignCurrency",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquityScheduleOfDetailedInformationAboutHedgesOfNetInvestmentsOfForeignOperationsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gain loss on foreign currency risk loans denominated in foreign currency",
        "terseLabel": "Foreign currency risk - loans denominated in foreign currency",
        "documentation": "Gain loss on foreign currency risk loans denominated in foreign currency"
       }
      }
     },
     "auth_ref": []
    },
    "asx_GainLossOnHedgingInstrumentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GainLossOnHedgingInstrumentMember",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gain (loss) on hedging instrument [Member]",
        "terseLabel": "Gain (loss) on hedging instrument [member]",
        "documentation": "Gain loss on hedging instrument."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gain (loss) on remeasurement, net defined benefit liability (asset)",
        "negatedLabel": "Remeasurement on defined benefit plans"
       }
      },
      "en": {
       "role": {
        "documentation": "The decrease (increase) in a net defined benefit liability (asset) resulting from the remeasurement of that net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)]"
       }
      }
     },
     "auth_ref": [
      "r36",
      "r411"
     ]
    },
    "asx_GainLossRecognisedInBargainPurchaseTransaction": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GainLossRecognisedInBargainPurchaseTransaction",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfGoodwillRecognizedOnAcquisitionsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gain Loss Recognised In Bargain Purchase Transaction",
        "terseLabel": "Goodwill (gain on bargain purchase) recognized on acquisition",
        "documentation": "Gain (loss) recognised in bargain purchase transaction."
       }
      }
     },
     "auth_ref": []
    },
    "asx_GainLossRecognisedInTradeReceivablesFactoring": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GainLossRecognisedInTradeReceivablesFactoring",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gain Loss Recognised in Trade Receivables Factoring",
        "terseLabel": "Trade receivables factored",
        "documentation": "Trade Receivable Factoring Fairvalue through Profit or loss"
       }
      }
     },
     "auth_ref": []
    },
    "asx_GainOnBargainPurchase": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GainOnBargainPurchase",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0,
       "order": 65.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gain On Bargain Purchase",
        "negatedLabel": "Gain on bargain purchase",
        "documentation": "Gain on bargain purchase."
       }
      }
     },
     "auth_ref": []
    },
    "asx_GainOnDisposalOfSubsidiaries": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GainOnDisposalOfSubsidiaries",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfGainOnDisposalOfSubsidiaryDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfGainOnDisposalOfSubsidiaryDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gain on disposal of subsidiaries",
        "totalLabel": "Gain on disposal of",
        "documentation": "Gain on disposal of subsidiaries."
       }
      }
     },
     "auth_ref": []
    },
    "asx_GainOrLossOnDisposalOfInvestments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GainOrLossOnDisposalOfInvestments",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherGainsAndLossesDetail": {
       "parentTag": "ifrs-full_OtherGainsLosses",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherGainsAndLossesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gain Or Loss On Disposal Of Investments",
        "terseLabel": "Gain on disposal of investments accounted for using the equity method (Note 14)",
        "documentation": "Gain Or Loss On Disposal Of Investments"
       }
      }
     },
     "auth_ref": []
    },
    "asx_GainRecognizedInBargainPurchaseTransaction": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GainRecognizedInBargainPurchaseTransaction",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherGainsAndLossesDetail": {
       "parentTag": "ifrs-full_OtherGainsLosses",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherGainsAndLossesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gain Recognized In Bargain Purchase Transaction",
        "terseLabel": "Gain on bargain purchase (Note 29)",
        "documentation": "Gain recognized in bargain purchase transaction."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_GainsLossesOnDisposalsOfNoncurrentAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsLossesOnDisposalsOfNoncurrentAssets",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherOperatingIncomeAndExpensesNetDetail": {
       "parentTag": "ifrs-full_OtherOperatingIncomeExpense",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherOperatingIncomeAndExpensesNetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gains (losses) on disposals of non-current assets",
        "terseLabel": "Gain on disposal of property, plant and equipment"
       }
      },
      "en": {
       "role": {
        "documentation": "The gains (losses) on disposals of non-current assets. [Refer: Non-current assets]"
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "asx_GainsLossesOnExchangeDifferencesFairValueMeasurementAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GainsLossesOnExchangeDifferencesFairValueMeasurementAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gains Losses On Exchange Differences Fair Value Measurement Assets",
        "terseLabel": "Effects of foreign currency exchange",
        "documentation": "Gains losses on exchange differences fair value measurement assets."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsLossesOnExchangeDifferencesOnTranslationNetOfTax",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
      "http://www.aseglobal.com/role/EquitySummaryOfExchangeDifferencesOnTranslatingForeignOperationsDetail",
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gains (losses) on exchange differences on translation, net of tax",
        "verboseLabel": "Exchange differences on translating foreign operations",
        "definitionGuidance": "Exchange differences arising on translating foreign operations",
        "terseLabel": "Exchange difference on translating foreign operations"
       }
      },
      "en": {
       "role": {
        "documentation": "The gains (losses) recognised in other comprehensive income on exchange differences on the translation of financial statements of foreign operations, net of tax, before reclassification adjustments. [Refer: Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r597"
     ]
    },
    "ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherGainsAndLossesDetail": {
       "parentTag": "ifrs-full_OtherGainsLosses",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherGainsAndLossesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Foreign exchange gain (loss)",
        "terseLabel": "Foreign exchange gain (loss), net"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of exchange differences recognised in profit or loss that arise from foreign currency transactions, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9. [Refer: At fair value [member]; Classes of financial instruments [domain]]"
       }
      }
     },
     "auth_ref": [
      "r56",
      "r417",
      "r553"
     ]
    },
    "asx_GainsLossesOnFinancialAssetsAndLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GainsLossesOnFinancialAssetsAndLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherGainsAndLossesDetail": {
       "parentTag": "ifrs-full_OtherGainsLosses",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherGainsAndLossesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gains losses on financial assets and liabilities at fair value through profit or loss classified as held for trading",
        "terseLabel": "Net loss arising on financial instruments held for trading",
        "documentation": "Gains losses on financial assets and liabilities at fair value through profit or loss classified as held for trading."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherGainsAndLossesDetail": {
       "parentTag": "ifrs-full_OtherGainsLosses",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherGainsAndLossesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gains (losses) on financial assets at fair value through profit or loss",
        "terseLabel": "Net gain on financial assets mandatorily at FVTPL"
       }
      },
      "en": {
       "role": {
        "documentation": "The gains (losses) on financial assets at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss]"
       }
      }
     },
     "auth_ref": [
      "r267",
      "r493"
     ]
    },
    "ifrs-full_GainsLossesOnHedgesOfNetInvestmentsInForeignOperationsNetOfTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsLossesOnHedgesOfNetInvestmentsInForeignOperationsNetOfTax",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gains (losses) on hedges of net investments in foreign operations, net of tax",
        "terseLabel": "Gain (loss) from hedging"
       }
      },
      "en": {
       "role": {
        "documentation": "The gains (losses) recognised in other comprehensive income on hedges of net investments in foreign operations, net of tax, before reclassification adjustments. [Refer: Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r113",
      "r274",
      "r276",
      "r328",
      "r498",
      "r597"
     ]
    },
    "asx_GainsLossesOnHedgesOfNetInvestmentsInForeignOperationsNetOfTaxes": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GainsLossesOnHedgesOfNetInvestmentsInForeignOperationsNetOfTaxes",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquityScheduleOfDetailedInformationAboutHedgesOfNetInvestmentsOfForeignOperationsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gains Losses On Hedges Of Net Investments In Foreign Operations Net Of Taxes",
        "periodStartLabel": "Balance at January 1",
        "periodEndLabel": "Balance at December 31",
        "documentation": "Gains Losses On Hedges Of Net Investments In Foreign Operations Net Of Tax."
       }
      }
     },
     "auth_ref": []
    },
    "asx_GainsLossesOnHedgingInstruments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GainsLossesOnHedgingInstruments",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax",
       "weight": 1.0,
       "order": 10.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gains (Losses) On Hedging Instruments",
        "verboseLabel": "Gain (loss) on hedging instruments",
        "documentation": "Gains (losses) on hedging instruments."
       }
      }
     },
     "auth_ref": []
    },
    "asx_GainsLossesOnUnrealizedLossOnEquityInstrumentsAtFVTOCI": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GainsLossesOnUnrealizedLossOnEquityInstrumentsAtFVTOCI",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gains (losses) on Unrealized loss on equity instruments at FVTOCI",
        "terseLabel": "Unrealized gain (loss) on equity instruments at FVTOCI",
        "documentation": "Gains (losses) on Unrealized loss on equity instruments at FVTOCI."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gains (losses) recognised in other comprehensive income, fair value measurement, assets",
        "terseLabel": "Recognized in other comprehensive income (Unrealized gains (losses) on financial assets at FVTOCI)"
       }
      },
      "en": {
       "role": {
        "documentation": "The gains (losses) including exchange differences recognised in other comprehensive income on the fair value measurement of assets. [Refer: At fair value [member]; Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r194",
      "r518"
     ]
    },
    "ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeOnExchangeDifferencesFairValueMeasurementAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsLossesRecognisedInOtherComprehensiveIncomeOnExchangeDifferencesFairValueMeasurementAssets",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gains (losses) recognised in other comprehensive income on exchange differences, fair value measurement, assets",
        "terseLabel": "Recognized in other comprehensive income (Effects of foreign currency exchange)"
       }
      },
      "en": {
       "role": {
        "documentation": "The gains (losses) on exchange differences, recognised in other comprehensive income, on the fair value measurement of assets. [Refer: At fair value [member]; Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r839"
     ]
    },
    "ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gains (losses) recognised in profit or loss, fair value measurement, assets",
        "terseLabel": "Recognized in profit or loss"
       }
      },
      "en": {
       "role": {
        "documentation": "The gains (losses) including exchange differences recognised in profit or loss on the fair value measurement of assets. [Refer: At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r193",
      "r517"
     ]
    },
    "ifrs-full_GainsOnLitigationSettlements": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsOnLitigationSettlements",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gains on litigation settlements",
        "terseLabel": "Contribution received from Environmental Protection"
       }
      }
     },
     "auth_ref": [
      "r601"
     ]
    },
    "asx_GaptHoldingsLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GaptHoldingsLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "GAPT Holdings limited [Member]",
        "documentation": "GAPT Holdings limited"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_GeographicalAreasAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GeographicalAreasAxis",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxAdditionalInformationDetail",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfGeographicalInformationDetail",
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Geographical areas [axis]",
        "terseLabel": "Geographical areas [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r324",
      "r610",
      "r638",
      "r643",
      "r670"
     ]
    },
    "ifrs-full_GeographicalAreasDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GeographicalAreasDomain",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxAdditionalInformationDetail",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfGeographicalInformationDetail",
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Geographical areas [domain]",
        "terseLabel": "Geographical areas [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for aggregated geographical areas. It also represents the standard value for the 'Geographical areas' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r324",
      "r610",
      "r638",
      "r643",
      "r670"
     ]
    },
    "asx_GlobalAdvancedPackagingTechnologyLimitedInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GlobalAdvancedPackagingTechnologyLimitedInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Global Advanced Packaging Technology Limited Investor [Member]",
        "terseLabel": "Global Advanced Packaging Technology Limited [Member]",
        "documentation": "Global Advanced Packaging Technology Limited Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_GlobalAdvancedPackagingTechnologyLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GlobalAdvancedPackagingTechnologyLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Global Advanced Packaging Technology Limited [member]",
        "terseLabel": "Global Advanced Packaging Technology Limited [member]",
        "documentation": "Global Advanced Packaging Technology Limited."
       }
      }
     },
     "auth_ref": []
    },
    "asx_GoodcareHealthIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GoodcareHealthIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Goodcare Health Inc [Member]",
        "terseLabel": "Goodcare Health Inc.[Member]",
        "documentation": "Goodcare health inc."
       }
      }
     },
     "auth_ref": []
    },
    "asx_GoodcareHoldingsIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GoodcareHoldingsIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Goodcare Holdings Inc [Member]",
        "terseLabel": "Goodcare Holdings Inc.[Member]",
        "documentation": "Goodcare Holdings Inc"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_Goodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Goodwill",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0,
       "order": 18.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/GoodwillSummaryOfCarryingAmountsOfGoodwillAllocatedToCashGeneratingUnitsDetail",
      "http://www.aseglobal.com/role/GoodwillSummaryOfGoodwillDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Goodwill",
        "verboseLabel": "Goodwill (Note 18)",
        "periodStartLabel": "Beginning balance",
        "periodEndLabel": "Ending balance",
        "terseLabel": "Goodwill"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r95",
      "r100",
      "r260",
      "r431",
      "r436",
      "r481",
      "r558"
     ]
    },
    "asx_GrantedAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GrantedAxis",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfOutstandingRestrictedSharesAtBalanceSheetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Granted [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_GrantedDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GrantedDomain",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfOutstandingRestrictedSharesAtBalanceSheetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Granted [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_GrassrootsLevelEmployeeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GrassrootsLevelEmployeeMember",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Grassroots Level Employee [Member]",
        "documentation": "Grassroots level employee."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_GrossCarryingAmountMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GrossCarryingAmountMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableDetail",
      "http://www.aseglobal.com/role/GoodwillSummaryOfGoodwillDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfTradeReceivablesNetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gross carrying amount [member]",
        "terseLabel": "Cost [member]",
        "verboseLabel": "Gross carrying amount [member]"
       }
      }
     },
     "auth_ref": [
      "r13",
      "r103",
      "r123",
      "r132",
      "r260",
      "r283",
      "r286",
      "r394",
      "r439",
      "r452",
      "r459",
      "r503",
      "r505",
      "r649"
     ]
    },
    "asx_GrossCarryingAmountOfCurrentAssetsAtFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GrossCarryingAmountOfCurrentAssetsAtFairValueThroughOtherComprehensiveIncome",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceForCurrentFinancialAssetsAtFvtociDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gross Carrying Amount Of Current Assets At Fair Value Through Other Comprehensive Income",
        "verboseLabel": "Gross carrying amount",
        "documentation": "Gross Carrying Amount Of Current Assets At Fair Value Through Other Comprehensive Income."
       }
      }
     },
     "auth_ref": []
    },
    "asx_GrossCarryingAmountOfFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GrossCarryingAmountOfFinancialAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail": {
       "parentTag": "ifrs-full_CurrentFinancialAssetsAtAmortisedCost",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gross carrying amount of financial assets",
        "terseLabel": "Gross carrying amount",
        "documentation": "Gross carrying amount of financial assets"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_GrossProfit": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GrossProfit",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_ProfitLossFromOperatingActivities",
       "weight": 1.0,
       "order": 29.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Gross profit",
        "totalLabel": "GROSS PROFIT"
       }
      }
     },
     "auth_ref": [
      "r689"
     ]
    },
    "asx_GuaranteeDepositsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "GuaranteeDepositsMember",
     "presentation": [
      "http://www.aseglobal.com/role/OtherFinancialAssetsSummaryOfOtherFinancialAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Guarantee Deposits [Member]",
        "terseLabel": "Guarantee deposits [member]",
        "documentation": "Guarantee deposits [member]."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_HedgesOfNetInvestmentInForeignOperationsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "HedgesOfNetInvestmentInForeignOperationsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesItemsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Hedges of net investment in foreign operations [member]",
        "terseLabel": "Hedges of net investment in foreign operations [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for hedges of the entity's monetary items that are receivable from or payable to a foreign operation, for which settlement is neither planned nor likely to occur in the foreseeable future. A foreign operation is an entity that is a subsidiary, associate, joint venture or branch of a reporting entity, the activities of which are based or conducted in a country or currency other than those of the reporting entity."
       }
      }
     },
     "auth_ref": [
      "r114",
      "r271",
      "r273",
      "r275",
      "r495",
      "r497",
      "r499"
     ]
    },
    "ifrs-full_HedgesOfNetInvestmentsInForeignOperationsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "HedgesOfNetInvestmentsInForeignOperationsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Hedges of net investment in foreign operations [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_HirschmannCarCommunicationGmbhMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "HirschmannCarCommunicationGmbhMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Hirschmann Car Communication GmbH [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_HirschmannCarCommunicationHoldingSarlHirschmannMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "HirschmannCarCommunicationHoldingSarlHirschmannMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Hirschmann Car Communication Holding Sarl Hirschmann [Member]",
        "terseLabel": "Hirschmann Car Communication Holding S.a.r.l. (\"HIRSCHMANN\") [member]",
        "documentation": "Hirschmann Car Communication Holding S.a.r.l. (\"Hirschmann\")."
       }
      }
     },
     "auth_ref": []
    },
    "asx_HirschmannCarCommunicationInc.Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "HirschmannCarCommunicationInc.Member",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Hirschmann Car Communication, Inc. [Member]",
        "terseLabel": "Hirschmann Car Communication, Inc. [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_HirschmannCarCommunicationKft.Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "HirschmannCarCommunicationKft.Member",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Hirschmann Car Communication Kft. [Member]",
        "terseLabel": "Hirschmann Car Communication Kft. [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_HirschmannCarCommunicationSASMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "HirschmannCarCommunicationSASMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Hirschmann Car Communication S A S [Member]",
        "terseLabel": "Hirschmann Car Communication S.A.S. [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_HirschmannCarCommunicationShanghaiCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "HirschmannCarCommunicationShanghaiCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Hirschmann Car Communication Shanghai Co Ltd [Member]",
        "terseLabel": "Hirschmann Car Communication (Shanghai) Co., Ltd. [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_HirschmannCarCommunicationsGmbhMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "HirschmannCarCommunicationsGmbhMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Hirschmann Car Communications GmbH [Member]",
        "terseLabel": "Hirschmann Car Communication GmbH [Member]",
        "documentation": "Hirschmann Car Communications GmbH."
       }
      }
     },
     "auth_ref": []
    },
    "asx_HirschmannMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "HirschmannMember",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfConsiderationTransferredInBusinessCombinationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfGoodwillRecognizedOnAcquisitionsDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfImpactOfAcquisitionsByComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfNetCashOutflowOnAcquisitionOfSubsidiaryDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfSubsidiaryAcquiredDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "HIRSCHMANN [Member]",
        "terseLabel": "Hirschmann [Member]",
        "verboseLabel": "HIRSCHMANN [member]",
        "documentation": "HIRSCHMANN."
       }
      }
     },
     "auth_ref": []
    },
    "asx_HirschmannMobilityHoldingGmbHInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "HirschmannMobilityHoldingGmbHInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Hirschmann Mobility Holding GmbH Investor [Member]",
        "terseLabel": "Hirschmann Mobility Holding GmbH"
       }
      }
     },
     "auth_ref": []
    },
    "asx_HirschmannMobilityHoldingGmbhMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "HirschmannMobilityHoldingGmbhMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Hirschmann Mobility Holding GmbH [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_HungChingDevelopmentAndConstructionCoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "HungChingDevelopmentAndConstructionCoMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfFairValuesOfInvestmentsInAssociatesWithAvailablePublishedPriceQuotationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Hung Ching Development And Construction Co [member]",
        "terseLabel": "Hung Ching Development &amp; Construction Co. [member]",
        "documentation": "Hung Ching Development &amp; Construction Co."
       }
      }
     },
     "auth_ref": []
    },
    "asx_HungChingDevelopmentConstructionCoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "HungChingDevelopmentConstructionCoMember",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Hung Ching Development &amp; Construction Co [Member]",
        "documentation": "Hung ching development &amp; construction Co."
       }
      }
     },
     "auth_ref": []
    },
    "asx_HungChingKwanCoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "HungChingKwanCoMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Hung Ching Kwan Co [member]",
        "terseLabel": "Hung Ching Kwan Co. [member]",
        "documentation": "Hung Ching Kwan Co."
       }
      }
     },
     "auth_ref": []
    },
    "asx_HuntingtonHoldingsInternationalCoLtdInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "HuntingtonHoldingsInternationalCoLtdInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Huntington Holdings International Co Ltd Investor [Member]",
        "terseLabel": "Huntington Holdings International Co., Ltd. [Member]",
        "documentation": "Huntington Holdings International Co Ltd Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_HuntingtonHoldingsInternationalCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "HuntingtonHoldingsInternationalCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Huntington Holdings International Co., Ltd. [member]",
        "terseLabel": "Huntington Holdings International Co., Ltd. [member]",
        "documentation": "Huntington Holdings International Co., Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_HybridFinancialAssetsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "HybridFinancialAssetsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Hybrid financial assets [member]",
        "terseLabel": "Hybrid financial assets [member]",
        "documentation": "Hybrid financial assets."
       }
      }
     },
     "auth_ref": []
    },
    "asx_HydrotronPowerCLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "HydrotronPowerCLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "HydroTron Power C Ltd [Member]",
        "terseLabel": "HydroTron Power Co., Ltd. [member]",
        "documentation": "Hydrotron power c ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ISELabsChinaLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ISELabsChinaLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ISE Labs, China. Ltd [member]",
        "terseLabel": "ISE Labs, China, Ltd. [member]",
        "documentation": "ISE Labs, China. Ltd [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_ISELabsIncInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ISELabsIncInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ISE Labs Inc Investor [Member]",
        "terseLabel": "ISE Labs, Inc. [Member]",
        "documentation": "ISE Labs Inc Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ISELabsIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ISELabsIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "I S E Labs, Inc. [member]",
        "terseLabel": "ISE Labs, Inc. [member]",
        "documentation": "ISE Labs, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "dei_IcfrAuditorAttestationFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "IcfrAuditorAttestationFlag",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ICFR Auditor Attestation Flag"
       }
      }
     },
     "auth_ref": [
      "r702",
      "r703",
      "r726"
     ]
    },
    "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IdentifiableAssetsAcquiredLiabilitiesAssumed",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfConsiderationTransferredInBusinessCombinationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfGoodwillRecognizedOnAcquisitionsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Identifiable assets acquired (liabilities assumed)",
        "verboseLabel": "Cash",
        "totalLabel": "Fair value of identifiable net assets acquired",
        "negatedLabel": "Less: Fair value of identifiable net assets acquired"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for net identifiable assets acquired or liabilities assumed in a business combination. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r647",
      "r648",
      "r684"
     ]
    },
    "ifrs-full_ImpairmentLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ImpairmentLoss",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherOperatingIncomeAndExpensesNetDetail": {
       "parentTag": "ifrs-full_OtherOperatingIncomeExpense",
       "weight": -1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherOperatingIncomeAndExpensesNetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Impairment loss",
        "negatedLabel": "Impairment loss (Notes 15, 18 and 19)"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount recognised as a reduction of the carrying amount of an asset or cash-generating unit to its recoverable amount. [Refer: Carrying amount [member]]"
       }
      }
     },
     "auth_ref": [
      "r91",
      "r92"
     ]
    },
    "asx_ImpairmentLossOnInvestmentsAccountedForUsingTheEquityMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ImpairmentLossOnInvestmentsAccountedForUsingTheEquityMethod",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherGainsAndLossesDetail": {
       "parentTag": "ifrs-full_OtherGainsLosses",
       "weight": -1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherGainsAndLossesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Impairment Loss on Investments Accounted for Using the Equity Method",
        "terseLabel": "Impairment loss on investments accounted for using the equity method",
        "negatedLabel": "Impairment loss on investments accounted for using the equity method (Note 14)",
        "documentation": "Impairment loss on investments accounted for using the equity method."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ImpairmentLossOnNonfinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ImpairmentLossOnNonfinancialAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 47.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Impairment loss on non-financial assets",
        "terseLabel": "Impairment loss recognized on non-financial assets",
        "documentation": "Impairment loss on non-financial assets."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ImpairmentLossRecognisedInProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ImpairmentLossRecognisedInProfitOrLoss",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Impairment loss recognised in profit or loss",
        "terseLabel": "Impairment loss"
       }
      }
     },
     "auth_ref": [
      "r89",
      "r90",
      "r430"
     ]
    },
    "ifrs-full_ImpairmentLossRecognisedInProfitOrLossGoodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ImpairmentLossRecognisedInProfitOrLossGoodwill",
     "presentation": [
      "http://www.aseglobal.com/role/GoodwillAdditionalInformationDetail",
      "http://www.aseglobal.com/role/GoodwillSummaryOfGoodwillDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Impairment loss recognised in profit or loss, goodwill",
        "verboseLabel": "Impairment losses recognized",
        "terseLabel": "Impairment loss on goodwill"
       }
      }
     },
     "auth_ref": [
      "r258",
      "r480"
     ]
    },
    "ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Impairment loss recognised in profit or loss, intangible assets other than goodwill",
        "terseLabel": "Impairment losses recognized"
       }
      }
     },
     "auth_ref": [
      "r105",
      "r441"
     ]
    },
    "ifrs-full_ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment",
     "presentation": [
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentAdditionalInformationDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Impairment loss recognised in profit or loss, property, plant and equipment",
        "terseLabel": "Impairment losses recognized",
        "verboseLabel": "Impairment losses recognized property plant and equipment"
       }
      }
     },
     "auth_ref": [
      "r17",
      "r398",
      "r600"
     ]
    },
    "ifrs-full_IncomeFromFinesAndPenalties": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncomeFromFinesAndPenalties",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income from fines and penalties",
        "terseLabel": "Income from fines and penalties"
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "asx_IncomeStatementLocation1Axis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncomeStatementLocation1Axis",
     "presentation": [
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfDepreciationAndAmortizationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeeBenefitsExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Statement Location 1 [axis]",
        "terseLabel": "Income Statement Location [axis]",
        "documentation": "Income Statement Location 1."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncomeStatementLocationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncomeStatementLocationMember",
     "presentation": [
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfDepreciationAndAmortizationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeeBenefitsExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Statement Location 1 [member]",
        "terseLabel": "Income Statement Location [member]",
        "documentation": "Income Statement Location 1 [member]."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncomeTaxAdjustmentsOnPriorYears": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncomeTaxAdjustmentsOnPriorYears",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0,
       "order": 11.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Tax Adjustments On Prior Years",
        "terseLabel": "Income tax adjustments for prior years",
        "documentation": "Income tax adjustments on prior years."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncomeTaxCredits": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncomeTaxCredits",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0,
       "order": 10.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Tax Credits",
        "terseLabel": "Income tax credits",
        "documentation": "Income Tax Credits"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncomeTaxExpenseContinuingOperations": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncomeTaxExpenseContinuingOperations",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": -1.0,
       "order": 33.0
      },
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      },
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tax expense (income)",
        "definitionGuidance": "INCOME TAX EXPENSE",
        "totalLabel": "Income tax expense recognized in profit or loss"
       }
      }
     },
     "auth_ref": [
      "r1",
      "r4",
      "r5",
      "r73",
      "r184",
      "r311",
      "r384",
      "r387",
      "r388",
      "r594"
     ]
    },
    "asx_IncomeTaxOnTheConsolidatedIncomeFromHouseAndLandTransactions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncomeTaxOnTheConsolidatedIncomeFromHouseAndLandTransactions",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0,
       "order": 12.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Tax On The Consolidated Income From House And Land Transactions",
        "terseLabel": "House and land transactions income tax",
        "documentation": "Income tax on the consolidated income from house and land transactions."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncomeTaxOnUnappropriatedEarnings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncomeTaxOnUnappropriatedEarnings",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods",
       "weight": -1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMajorComponentsOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income tax on unappropriated earnings",
        "negatedLabel": "Income tax on unappropriated earnings",
        "documentation": "Income tax on unappropriated earnings."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfIncomeTaxRecognizedInOtherComprehensiveIncomeDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfIncomeTaxRecognizedInOtherComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income tax relating to components of other comprehensive income",
        "negatedTotalLabel": "Income tax recognized in other comprehensive income",
        "negatedLabel": "Recognized in Other Comprehensive Income"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of income tax relating to amounts recognised in other comprehensive income. [Refer: Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r3",
      "r386",
      "r596"
     ]
    },
    "ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Income tax relating to components of other comprehensive income [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax",
       "weight": -1.0,
       "order": 11.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income tax relating to components of other comprehensive income that will be reclassified to profit or loss",
        "negatedLabel": "Income tax related to items that may be reclassified subsequently to profit or loss"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of income tax relating to amounts recognised in other comprehensive income that will be reclassified to profit or loss. [Refer: Income tax relating to components of other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r599"
     ]
    },
    "ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax",
       "weight": -1.0,
       "order": 15.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss",
        "negatedLabel": "Income tax relating to items that will not be reclassified subsequently to profit or loss"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of income tax relating to amounts recognised in other comprehensive income that will not be reclassified to profit or loss. [Refer: Income tax relating to components of other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r599"
     ]
    },
    "asx_IncomeTaxRelatingToInvestmentsInDebtInstrumentsOfOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncomeTaxRelatingToInvestmentsInDebtInstrumentsOfOtherComprehensiveIncome",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfIncomeTaxRecognizedInOtherComprehensiveIncomeDetail": {
       "parentTag": "ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfIncomeTaxRecognizedInOtherComprehensiveIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income Tax Relating To Investments In Debt Instruments Of Other Comprehensive Income",
        "negatedLabel": "Unrealized gain (loss) on debt instruments at fair value through other comprehensive income",
        "documentation": "Unrealized loss on debt instruments at fair value through other comprehensive income."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncomeTaxRelatingToInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncomeTaxRelatingToInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfIncomeTaxRecognizedInOtherComprehensiveIncomeDetail": {
       "parentTag": "ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfIncomeTaxRecognizedInOtherComprehensiveIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income tax relating to investments in equity instruments included in other comprehensive income",
        "negatedLabel": "Unrealized loss on equity instruments at fair value through other comprehensive income"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of income tax relating to amounts recognised in other comprehensive income in relation to investments in equity instruments that the entity has designated at fair value through other comprehensive income applying paragraph 5.7.5 of IFRS 9. [Refer: Other comprehensive income; Reserve of gains and losses from investments in equity instruments]"
       }
      }
     },
     "auth_ref": [
      "r3",
      "r596"
     ]
    },
    "ifrs-full_IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfIncomeTaxRecognizedInOtherComprehensiveIncomeDetail": {
       "parentTag": "ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfIncomeTaxRecognizedInOtherComprehensiveIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income tax relating to remeasurements of defined benefit plans included in other comprehensive income",
        "negatedLabel": "Related to remeasurement of defined benefit plans"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of income tax relating to amounts recognised in other comprehensive income in relation to remeasurements of defined benefit plans. [Refer: Other comprehensive income; Reserve of remeasurements of defined benefit plans; Defined benefit plans [domain]]"
       }
      }
     },
     "auth_ref": [
      "r3",
      "r596"
     ]
    },
    "ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncomeTaxesPaidClassifiedAsOperatingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": -1.0,
       "order": 71.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income taxes paid, classified as operating activities",
        "negatedLabel": "Income tax paid"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for income taxes paid, classified as operating activities."
       }
      }
     },
     "auth_ref": [
      "r837"
     ]
    },
    "ifrs-full_IncomeTaxesPaidRefund": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncomeTaxesPaidRefund",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income taxes paid (refund)",
        "totalLabel": "Total taxes paid"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash flows from income taxes paid or refunded."
       }
      }
     },
     "auth_ref": [
      "r138"
     ]
    },
    "ifrs-full_IncomeTaxesPaidRefundAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncomeTaxesPaidRefundAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income taxes paid (refund) [abstract]",
        "terseLabel": "Income tax paid"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncomeTaxesPaidRefundClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncomeTaxesPaidRefundClassifiedAsInvestingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail": {
       "parentTag": "ifrs-full_IncomeTaxesPaidRefund",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0,
       "order": 35.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail",
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income taxes paid (refund), classified as investing activities",
        "negatedLabel": "Income tax paid",
        "terseLabel": "Investing activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash flows from income taxes paid or refunded, classified as investing activities. [Refer: Income taxes paid (refund)]"
       }
      }
     },
     "auth_ref": [
      "r138",
      "r622"
     ]
    },
    "ifrs-full_IncomeTaxesPaidRefundClassifiedAsOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncomeTaxesPaidRefundClassifiedAsOperatingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail": {
       "parentTag": "ifrs-full_IncomeTaxesPaidRefund",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income taxes paid (refund), classified as operating activities",
        "terseLabel": "Operating activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash flows from income taxes paid or refunded, classified as operating activities. [Refer: Income taxes paid (refund)]"
       }
      }
     },
     "auth_ref": [
      "r138",
      "r622"
     ]
    },
    "asx_IncreaseDecreaseInCapitalSurplusFromInvestmentsInAssociatesAccountedForUsingTheEquityMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseInCapitalSurplusFromInvestmentsInAssociatesAccountedForUsingTheEquityMethod",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) in capital surplus from investments in associates accounted for using the equity method",
        "terseLabel": "Change from investments in associates accounted for using the equity method",
        "documentation": "Increase (decrease) in capital surplus from investments in associates accounted for using the equity method."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseDecreaseInCashAndCashEquivalents": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseInCashAndCashEquivalents",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) in cash and cash equivalents",
        "totalLabel": "NET INCREASE IN CASH AND CASH EQUIVALENTS"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in cash and cash equivalents after the effect of exchange rate changes on cash and cash equivalents held in foreign currencies. [Refer: Cash and cash equivalents; Effect of exchange rate changes on cash and cash equivalents]"
       }
      }
     },
     "auth_ref": [
      "r147",
      "r376"
     ]
    },
    "ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfSensitivityAnalysisOnDefinedObligationsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) in defined benefit obligation due to reasonably possible decrease in actuarial assumption",
        "terseLabel": "Change in defined obligation due to decrease in actuarial assumption"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in a defined benefit obligation that would have been caused by a decrease in a significant actuarial assumption that was reasonably possible at the end of the reporting period. [Refer: Actuarial assumptions [domain]]"
       }
      }
     },
     "auth_ref": [
      "r42"
     ]
    },
    "ifrs-full_IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfSensitivityAnalysisOnDefinedObligationsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) in defined benefit obligation due to reasonably possible increase in actuarial assumption",
        "terseLabel": "Change in defined obligation due to increase in actuarial assumption"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in a defined benefit obligation that would have been caused by an increase in a significant actuarial assumption that was reasonably possible at the end of the reporting period. [Refer: Actuarial assumptions [domain]]"
       }
      }
     },
     "auth_ref": [
      "r42"
     ]
    },
    "asx_IncreaseDecreaseInNoncontrollingInterests": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseInNoncontrollingInterests",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": -1.0,
       "order": 10.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) in noncontrolling interests",
        "negatedLabel": "Decrease in non-controlling interests",
        "documentation": "Increase (decrease) in noncontrolling interests."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncreaseDecreaseInNoncontrollingInterestsArisingFromOutstandingVestedShareOptionsHeldByTheEmployeesOfSubsidiaries": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseInNoncontrollingInterestsArisingFromOutstandingVestedShareOptionsHeldByTheEmployeesOfSubsidiaries",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase Decrease In Non-controlling Interests Arising From Outstanding Vested Share Options Held By The Employees Of Subsidiaries",
        "terseLabel": "Non-controlling interest relating to outstanding vested employee share options granted by subsidiaries",
        "documentation": "Increase decrease in non-controlling interests arising from outstanding vested share options held by the employees of subsidiaries."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncreaseDecreaseInNoncontrollingInterestsArisingFromRepurchaseOfOutstandingOrdinarySharesOfSubsidiaries": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseInNoncontrollingInterestsArisingFromRepurchaseOfOutstandingOrdinarySharesOfSubsidiaries",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase Decrease In Non-controlling Interests Arising From Repurchase Of Outstanding Ordinary Shares Of Subsidiaries",
        "terseLabel": "Decrease in non-controlling interests arising from disposal of subsidiary",
        "documentation": "Increase decrease in non-controlling interests arising from repurchase of outstanding ordinary shares of subsidiaries."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncreaseDecreaseInOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseInOtherComprehensiveIncome",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) in other comprehensive income",
        "terseLabel": "Increase decrease in other comprehensive income",
        "documentation": "Increase (decrease) in other comprehensive income."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncreaseDecreaseInOtherNonCurrentAssetsForPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseInOtherNonCurrentAssetsForPropertyPlantAndEquipment",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfNonCashActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase Decrease In Other Non current Assets For Property Plant And Equipment",
        "terseLabel": "Increase (decrease) in other non-current assets",
        "documentation": "Increase decrease In other noncurrent assets for property plant and equipment."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncreaseDecreaseInOtherOperatingAssetsAndLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseInOtherOperatingAssetsAndLiabilitiesAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase Decrease In Other Operating Assets And Liabilities [Abstract]",
        "terseLabel": "Changes in operating assets and liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncreaseDecreaseInOtherReceivables1": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseInOtherReceivables1",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfNonCashActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "(Increase) decrease in other receivables 1",
        "terseLabel": "Decrease (increase) in other receivables",
        "documentation": "(Increase) decrease in other receivables 1."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncreaseDecreaseInPayablesForPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseInPayablesForPropertyPlantAndEquipment",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfNonCashActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase Decrease In Payables For Property Plant And Equipment",
        "terseLabel": "Decrease (increase) in other payables",
        "documentation": "(Increase) decrease in payables for property, plant and equipment ."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncreaseDecreaseInSharePremium": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseInSharePremium",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase Decrease In Share Premium",
        "terseLabel": "Capital surplus increased",
        "verboseLabel": "Increase (decrease) in capital surplus",
        "documentation": "Increase decrease in share premium."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncreaseDecreaseOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) other than through business combinations, intangible assets other than goodwill",
        "terseLabel": "Additions",
        "documentation": "Increase (decrease) other than through business combinations, intangible assets other than goodwill."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncreaseDecreaseProfitLossBeforeTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseProfitLossBeforeTax",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase Decrease Profit Loss Before Tax",
        "terseLabel": "Increase decrease in profit before tax",
        "documentation": "Increase decrease profit loss before tax."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncreaseDecreaseThroughAcquisitionOfNoncontrollingInterestsInSubsidiaries": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseThroughAcquisitionOfNoncontrollingInterestsInSubsidiaries",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Acquisition of non-controlling interests in subsidiaries",
        "documentation": "Increase Decrease Through Acquisition of Non-Controlling Interests in Subsidiaries."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseDecreaseThroughAcquisitionOfSubsidiary": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughAcquisitionOfSubsidiary",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through acquisition of subsidiary, equity",
        "terseLabel": "Differences between consideration and carrying amount arising from acquisition of subsidiaries"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity resulting from the acquisition of subsidiaries. [Refer: Total for all subsidiaries [member]]"
       }
      }
     },
     "auth_ref": [
      "r849"
     ]
    },
    "asx_IncreaseDecreaseThroughAcquisitionThroughBusinessCombinationsAllowanceAccountForCreditLossesOfFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseThroughAcquisitionThroughBusinessCombinationsAllowanceAccountForCreditLossesOfFinancialAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfMovementsOfLossAllowanceOfTradeReceivablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through acquisition through business combinations, allowance account for credit losses of financial assets",
        "verboseLabel": "Acquisitions through business combinations",
        "documentation": "Increase (decrease) through acquisition through business combinations, allowance account for credit losses of financial assets."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseDecreaseThroughAppropriationOfRetainedEarnings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughAppropriationOfRetainedEarnings",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquityScheduleOfAppropriationOfRetainedEarningsDetail",
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through appropriation of retained earnings, equity",
        "verboseLabel": "Appropriation of earnings",
        "terseLabel": "Increase (decrease) in retained earnings"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity resulting from the appropriation of retained earnings. [Refer: Retained earnings]"
       }
      }
     },
     "auth_ref": [
      "r849"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughBusinessCombinationsDeferredTaxLiabilityAsset",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through business combinations, deferred tax liability (asset)",
        "negatedTerseLabel": "Acquisitions through Business Combinations"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in deferred tax liability (asset) resulting from business combinations. [Refer: Deferred tax liability (asset)]"
       }
      }
     },
     "auth_ref": [
      "r814"
     ]
    },
    "asx_IncreaseDecreaseThroughBusinessCombinationsLiabilitiesAssumedNetDefinedBenefitLiabilityAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseThroughBusinessCombinationsLiabilitiesAssumedNetDefinedBenefitLiabilityAsset",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase Decrease Through Business Combinations Liabilities Assumed Net Defined Benefit Liability Asset",
        "terseLabel": "Liabilities assumed in a business combination",
        "documentation": "Increase decrease through business combinations liabilities assumed net defined benefit liability asset."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through changes in foreign exchange rates, net defined benefit liability (asset)",
        "terseLabel": "Exchange differences on foreign plans"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in the net defined benefit liability (asset) resulting from changes in foreign exchange rates. [Refer: Net defined benefit liability (asset)]"
       }
      }
     },
     "auth_ref": [
      "r38"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity",
        "terseLabel": "Changes in percentage of ownership interest in subsidiaries"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity through changes in ownership interests in subsidiaries that do not result in loss of control. [Refer: Total for all subsidiaries [member]]"
       }
      }
     },
     "auth_ref": [
      "r545"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControlEquityAttributableToOwnersOfParent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControlEquityAttributableToOwnersOfParent",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity attributable to owners of parent",
        "verboseLabel": "Repurchase of outstanding shares by subsidiaries (Note 31)"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity attributable to owners of the parent through changes in ownership interests in subsidiaries that do not result in loss of control. [Refer: Total for all subsidiaries [member]; Equity attributable to owners of parent]"
       }
      }
     },
     "auth_ref": [
      "r162"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughConversionOfConvertibleInstruments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughConversionOfConvertibleInstruments",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through conversion of convertible instruments, equity",
        "verboseLabel": "Issue of convertible bonds by subsidiaries (Note 21)"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity resulting from the conversion of convertible instruments."
       }
      }
     },
     "auth_ref": [
      "r849"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughDisposalOfSubsidiary": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughDisposalOfSubsidiary",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through disposal of subsidiary, equity",
        "terseLabel": "Disposal of subsidiary"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity resulting from the disposal of subsidiaries. [Refer: Total for all subsidiaries [member]]"
       }
      }
     },
     "auth_ref": [
      "r849"
     ]
    },
    "asx_IncreaseDecreaseThroughExerciseOfConvertibleBonds": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseThroughExerciseOfConvertibleBonds",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-controlling interest arising from exercised convertible bonds issued by subsidiaries",
        "documentation": "Increase decrease through exercise of convertible bonds."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncreaseDecreaseThroughNetExchangeAndOtherDifferencesAllowanceAccountForCreditLossesOfFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseThroughNetExchangeAndOtherDifferencesAllowanceAccountForCreditLossesOfFinancialAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfMovementsOfLossAllowanceOfTradeReceivablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase Decrease Through Net Exchange And Other Differences Allowance Account For Credit Losses Of Financial Assets",
        "verboseLabel": "Effects of foreign currency exchange differences",
        "documentation": "Increase decrease through net exchange and other differences allowance account for credit losses of financial assets."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughNetExchangeDifferencesDeferredTaxLiabilityAsset",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through net exchange differences, deferred tax liability (asset)",
        "negatedLabel": "Exchange Differences"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in deferred tax liability (asset) resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Deferred tax liability (asset)]"
       }
      }
     },
     "auth_ref": [
      "r814"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesGoodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughNetExchangeDifferencesGoodwill",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/GoodwillSummaryOfGoodwillDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through net exchange differences, goodwill",
        "terseLabel": "Effect of foreign currency exchange differences"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in goodwill resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Goodwill]"
       }
      }
     },
     "auth_ref": [
      "r259"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through net exchange differences, intangible assets other than goodwill",
        "terseLabel": "Effect of foreign currency exchange differences"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in intangible assets other than goodwill resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Intangible assets other than goodwill]"
       }
      }
     },
     "auth_ref": [
      "r107"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesInvestmentProperty": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughNetExchangeDifferencesInvestmentProperty",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through net exchange differences, investment property",
        "terseLabel": "Effects of foreign currency exchange differences"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in investment property resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Investment property]"
       }
      }
     },
     "auth_ref": [
      "r119",
      "r127"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through net exchange differences, property, plant and equipment",
        "terseLabel": "Effect of foreign currency exchange differences"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r19"
     ]
    },
    "asx_IncreaseDecreaseThroughNetRemeasurementOfLossAllowanceAllowanceAccountForCreditLossesOfFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseThroughNetRemeasurementOfLossAllowanceAllowanceAccountForCreditLossesOfFinancialAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfMovementsOfLossAllowanceOfTradeReceivablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through Net remeasurement of loss allowance, allowance account for credit losses of financial assets",
        "terseLabel": "Remeasurement of loss allowance",
        "documentation": "Increase (decrease) through Net remeasurement of loss allowance, allowance account for credit losses of financial assets."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncreaseDecreaseThroughNoncontrollingInterestsArisingFromAcquisitionOfSubsidiaries": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseThroughNoncontrollingInterestsArisingFromAcquisitionOfSubsidiaries",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-controlling interests arising from acquisition of subsidiaries",
        "documentation": "Increase decrease through non-controlling interests arising from acquisition of subsidiaries."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseDecreaseThroughObtainingOrLosingControlOfSubsidiariesOrOtherBusinessesLiabilitiesArisingFromFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughObtainingOrLosingControlOfSubsidiariesOrOtherBusinessesLiabilitiesArisingFromFinancingActivities",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through obtaining or losing control of subsidiaries or other businesses, liabilities arising from financing activities",
        "terseLabel": "Acquisitions through business combinations"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in liabilities arising from financing activities resulting from obtaining or losing control of subsidiaries or other businesses. [Refer: Liabilities arising from financing activities; Total for all subsidiaries [member]]"
       }
      }
     },
     "auth_ref": [
      "r143",
      "r371"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) in net defined benefit liability (asset) resulting from other changes",
        "terseLabel": "Other termination benefit cost"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in the net defined benefit liability (asset) resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Net defined benefit liability (asset)]"
       }
      }
     },
     "auth_ref": [
      "r818"
     ]
    },
    "asx_IncreaseDecreaseThroughReclassificationOfFairValuesLiabilitiesArisingFromFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseThroughReclassificationOfFairValuesLiabilitiesArisingFromFinancingActivities",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase Decrease Through Reclassification of Fair Values Liabilities Arising From Financing Activities",
        "verboseLabel": "Reclassification",
        "documentation": "Increase decrease through reclassification of fair values liabilities arising from financing activities."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncreaseDecreaseThroughTransferToSpecialReserve": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseThroughTransferToSpecialReserve",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase Decrease Through Transfer To Special Reserve",
        "terseLabel": "Special reserve",
        "documentation": "Increase decrease through transfer to special reserve."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncreaseDecreaseThroughTransferToSpecialReserveReserved": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseDecreaseThroughTransferToSpecialReserveReserved",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase Decrease Through Transfer To Special Reserve Reserved",
        "terseLabel": "Reversal of special reserve appropriated at the first-time adoption of IFRS Accounting Standards",
        "documentation": "Increase decrease through transfer to special reserve reserved."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseDecreaseThroughTransferToStatutoryReserve": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughTransferToStatutoryReserve",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through transfer to statutory reserve, equity",
        "terseLabel": "Legal reserve"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity resulting from transfers to a statutory reserve. [Refer: Statutory reserve]"
       }
      }
     },
     "auth_ref": [
      "r849"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughTransfersAndOtherChangesPropertyPlantAndEquipment",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) through transfers and other changes, property, plant and equipment",
        "terseLabel": "Reclassification"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in property, plant and equipment resulting from transfers and changes that the entity does not separately disclose in the same statement or note. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r816"
     ]
    },
    "ifrs-full_IncreaseDecreaseToProfitLossToReflectDilutiveEffectResultingFromAssumedConversionOfPotentialOrdinaryShares": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseToProfitLossToReflectDilutiveEffectResultingFromAssumedConversionOfPotentialOrdinaryShares",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EarningsPerShareSummaryOfEarningsAndWeightedAverageNumberOfOrdinarySharesOutstandingInComputationOfEarningsPerShareDetail": {
       "parentTag": "ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EarningsPerShareSummaryOfEarningsAndWeightedAverageNumberOfOrdinarySharesOutstandingInComputationOfEarningsPerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase (decrease) to profit (loss) to reflect dilutive effect resulting from assumed conversion of potential ordinary shares",
        "terseLabel": "Potential ordinary shares of the subsidiary"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) to profit (loss) to reflect the dilutive effect from assumed conversion of all potential ordinary shares."
       }
      }
     },
     "auth_ref": [
      "r85"
     ]
    },
    "asx_IncreaseInFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseInFairValueThroughOtherComprehensiveIncome",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfNonCashActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase In Fair Value Through Other Comprehensive Income",
        "terseLabel": "Increase In Fair Value Through Other Comprehensive Income",
        "documentation": "Increase in fair value through other comprehensive income."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncreaseInIssuedCapital": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreaseInIssuedCapital",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase in issued capital",
        "verboseLabel": "Total appropriation of earnings",
        "documentation": "Increase in issued capital."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IncreasePercentageOfSignificantUnobservableInputsDiscountRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IncreasePercentageOfSignificantUnobservableInputsDiscountRate",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase Percentage of Significant Unobservable Inputs Discount Rate",
        "terseLabel": "Increase percentage of significant unobservable inputs discount rate",
        "documentation": "Increase percentage of significant unobservable inputs discount rate."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseThroughNewLeasesLiabilitiesArisingFromFinancingActivities",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Increase through new leases, liabilities arising from financing activities",
        "terseLabel": "Additions to lease liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase in liabilities arising from financing activities resulting from new leases. [Refer: Liabilities arising from financing activities]"
       }
      }
     },
     "auth_ref": [
      "r627",
      "r632"
     ]
    },
    "ecd_IndividualAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "IndividualAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure",
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure",
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements",
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Individual [Axis]",
        "terseLabel": "Individual:"
       }
      }
     },
     "auth_ref": [
      "r723",
      "r734",
      "r744",
      "r768",
      "r777",
      "r781",
      "r789"
     ]
    },
    "asx_IndividuallyImpairedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IndividuallyImpairedMember",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Individually impaired [member]",
        "terseLabel": "Individually impaired [member]",
        "documentation": "Individually impaired."
       }
      }
     },
     "auth_ref": []
    },
    "asx_InflowsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InflowsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForDerivativeFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Inflows [member]",
        "terseLabel": "Inflows [member]",
        "documentation": "Inflows."
       }
      }
     },
     "auth_ref": []
    },
    "asx_InnosourceLimitedInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InnosourceLimitedInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Innosource Limited Investor [Member]",
        "terseLabel": "Innosource Limited [Member]",
        "documentation": "Innosource limited investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_InnosourceLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InnosourceLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Innosource Limited [member]",
        "terseLabel": "Innosource Limited [member]",
        "documentation": "Innosource limited."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_InsiderTradingArrLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "InsiderTradingArrLineItems",
     "lang": {
      "en-us": {
       "role": {
        "label": "Insider Trading Arrangements [Line Items]",
        "terseLabel": "Insider Trading Arrangements:"
       }
      }
     },
     "auth_ref": [
      "r787"
     ]
    },
    "ecd_InsiderTradingPoliciesProcLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "InsiderTradingPoliciesProcLineItems",
     "lang": {
      "en-us": {
       "role": {
        "label": "Insider Trading Policies and Procedures [Line Items]",
        "terseLabel": "Insider Trading Policies and Procedures:"
       }
      }
     },
     "auth_ref": [
      "r704",
      "r793"
     ]
    },
    "ecd_InsiderTrdPoliciesProcAdoptedFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "InsiderTrdPoliciesProcAdoptedFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Insider Trading Policies and Procedures Adopted [Flag]",
        "terseLabel": "Insider Trading Policies and Procedures Adopted"
       }
      }
     },
     "auth_ref": [
      "r704",
      "r793"
     ]
    },
    "ecd_InsiderTrdPoliciesProcNotAdoptedTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "InsiderTrdPoliciesProcNotAdoptedTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Insider Trading Policies and Procedures Not Adopted [Text Block]",
        "terseLabel": "Insider Trading Policies and Procedures Not Adopted"
       }
      }
     },
     "auth_ref": [
      "r704",
      "r793"
     ]
    },
    "ifrs-full_IntangibleAssetsOtherThanGoodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IntangibleAssetsOtherThanGoodwill",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0,
       "order": 19.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Intangible assets other than goodwill",
        "verboseLabel": "Other intangible assets (Notes 19 and 25)",
        "periodStartLabel": "Beginning balance",
        "periodEndLabel": "Ending balance"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of identifiable non-monetary assets without physical substance. This amount does not include goodwill. [Refer: Goodwill]"
       }
      }
     },
     "auth_ref": [
      "r108",
      "r443",
      "r558"
     ]
    },
    "asx_IntegratedSolutionsEnterpriseEuropeitgeuMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IntegratedSolutionsEnterpriseEuropeitgeuMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Integrated Solutions Enterprise Europe (\"ITGEU\")",
        "terseLabel": "Integrated Solutions Enterprise Europe [member]",
        "documentation": "Integrated Solutions Enterprise Europe (\"ITGEU\")."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InterestExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest expense",
        "negatedLabel": "Interest expense"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of expense arising from interest."
       }
      }
     },
     "auth_ref": [
      "r183",
      "r308",
      "r319"
     ]
    },
    "asx_InterestExpenseExcludingLossOnDerivatives": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InterestExpenseExcludingLossOnDerivatives",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfFinanceCostsDetail": {
       "parentTag": "ifrs-full_FinanceCosts",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfFinanceCostsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest expense excluding loss on derivatives",
        "totalLabel": "Interest expense",
        "documentation": "Interest expense excluding loss on derivatives."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestExpenseIncomeNetDefinedBenefitLiabilityAsset",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail": {
       "parentTag": "asx_PostemploymentBenefitExpenseDefinedBenefitPlansExcludingExecutiveManagers",
       "weight": -1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest expense (income), net defined benefit liability (asset)",
        "terseLabel": "Net interest expense (income)"
       }
      }
     },
     "auth_ref": [
      "r32",
      "r410"
     ]
    },
    "asx_InterestExpenseOnFinancialLiabilitiesMeasuredAtAmortizedCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InterestExpenseOnFinancialLiabilitiesMeasuredAtAmortizedCost",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfFinanceCostsDetail": {
       "parentTag": "asx_InterestExpenseExcludingLossOnDerivatives",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfFinanceCostsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest expense on financial liabilities measured at amortized cost",
        "terseLabel": "Total interest expense for financial liabilities measured at amortized cost",
        "documentation": "Interest expense on financial liabilities measured at amortized cost."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InterestExpenseOnLeaseLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestExpenseOnLeaseLiabilities",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfFinanceCostsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest expense on lease liabilities",
        "terseLabel": "Interest on lease liabilities"
       }
      }
     },
     "auth_ref": [
      "r208",
      "r336"
     ]
    },
    "asx_InterestExpensesOnBorrowingsAndBondsPayable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InterestExpensesOnBorrowingsAndBondsPayable",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfFinanceCostsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest Expenses On Borrowings And Bonds Payable",
        "terseLabel": "Interest on borrowings and bonds payable",
        "documentation": "Interest expenses on borrowings and bonds payable."
       }
      }
     },
     "auth_ref": []
    },
    "asx_InterestIncomeBankDeposits": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InterestIncomeBankDeposits",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherIncomeDetail": {
       "parentTag": "ifrs-full_FinanceIncome",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest Income Bank Deposits",
        "terseLabel": "Bank deposits",
        "documentation": "Interest income bank deposits."
       }
      }
     },
     "auth_ref": []
    },
    "asx_InterestIncomeContractWithCustomer": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InterestIncomeContractWithCustomer",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherIncomeDetail": {
       "parentTag": "ifrs-full_FinanceIncome",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest Income Contract With Customer",
        "terseLabel": "Contracts with customers",
        "documentation": "Interest income contract with customer."
       }
      }
     },
     "auth_ref": []
    },
    "asx_InterestIncomeOnRevenueFromLoanToRelatedParties": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InterestIncomeOnRevenueFromLoanToRelatedParties",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherIncomeDetail": {
       "parentTag": "ifrs-full_FinanceIncome",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest Income On Revenue From Loan To Related Parties",
        "terseLabel": "Loans to related parties (Note 35)",
        "documentation": "Interest income on revenue from loan to related parties."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InterestPaidClassifiedAsOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestPaidClassifiedAsOperatingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": -1.0,
       "order": 70.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest paid, classified as operating activities",
        "negatedLabel": "Interest paid"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for interest paid, classified as operating activities."
       }
      }
     },
     "auth_ref": [
      "r137"
     ]
    },
    "asx_InterestRateOnUnsecuredSubordinateCorporateBonds": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InterestRateOnUnsecuredSubordinateCorporateBonds",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest Rate On Unsecured Subordinate Corporate Bonds",
        "terseLabel": "Corporate bonds annual interest rate",
        "documentation": "Interest rate on unsecured subordinate corporate bonds."
       }
      }
     },
     "auth_ref": []
    },
    "asx_InterestRatePeriodFiveMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InterestRatePeriodFiveMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest Rate Period Five [Member]",
        "documentation": "Interest rate period five member."
       }
      }
     },
     "auth_ref": []
    },
    "asx_InterestRatePeriodFourMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InterestRatePeriodFourMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest Rate Period Four [Member]",
        "documentation": "Interest rate period four member."
       }
      }
     },
     "auth_ref": []
    },
    "asx_InterestRatePeriodOneMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InterestRatePeriodOneMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest Rate Period One [Member]",
        "documentation": "Interest rate period one member."
       }
      }
     },
     "auth_ref": []
    },
    "asx_InterestRatePeriodSixMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InterestRatePeriodSixMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest Rate Period Six [Member]",
        "documentation": "Interest rate period six member."
       }
      }
     },
     "auth_ref": []
    },
    "asx_InterestRatePeriodThreeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InterestRatePeriodThreeMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest Rate Period Three [Member]",
        "documentation": "Interest rate period three member."
       }
      }
     },
     "auth_ref": []
    },
    "asx_InterestRatePeriodTwoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InterestRatePeriodTwoMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest Rate Period Two [Member]",
        "documentation": "Interest Rate Period Two [Member]."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InterestReceivedClassifiedAsOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestReceivedClassifiedAsOperatingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 68.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest received, classified as operating activities",
        "terseLabel": "Interest received"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from interest received, classified as operating activities."
       }
      }
     },
     "auth_ref": [
      "r137"
     ]
    },
    "asx_InterestUnderOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InterestUnderOperatingActivities",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest Under Operating Activities",
        "terseLabel": "Interest under operating activities",
        "documentation": "Interest under operating activities."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_Inventories": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Inventories",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0,
       "order": 8.0
      },
      "http://www.aseglobal.com/role/InventoriesSummaryOfInventoriesDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/InventoriesSummaryOfInventoriesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current inventories",
        "definitionGuidance": "Inventories (Note 11)",
        "totalLabel": "Inventories"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current inventories. [Refer: Inventories]"
       }
      }
     },
     "auth_ref": [
      "r50",
      "r367",
      "r561",
      "r691"
     ]
    },
    "asx_InventoriesInTransit": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InventoriesInTransit",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/InventoriesSummaryOfInventoriesDetail": {
       "parentTag": "ifrs-full_Inventories",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesSummaryOfInventoriesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Inventories in transit",
        "terseLabel": "Raw materials and supplies in transit",
        "documentation": "Inventories in transit."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InventoriesPledgedAsSecurityForLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InventoriesPledgedAsSecurityForLiabilities",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/AssetsPledgedAsCollateralOrForSecuritySummaryOfAssetsPledgedAsCollateralOrForSecurityDetail": {
       "parentTag": "ifrs-full_AssetsHeldAsCollateralPermittedToBeSoldOrRepledgedAtFairValue",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/AssetsPledgedAsCollateralOrForSecuritySummaryOfAssetsPledgedAsCollateralOrForSecurityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Inventories pledged as security for liabilities",
        "terseLabel": "Inventories related to real estate business"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of inventories pledged as security for liabilities. [Refer: Inventories]"
       }
      }
     },
     "auth_ref": [
      "r53",
      "r370"
     ]
    },
    "asx_InventoriesRelatedToRealEstateBusiness": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InventoriesRelatedToRealEstateBusiness",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0,
       "order": 11.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Inventories Related To Real Estate Business",
        "terseLabel": "Inventories related to real estate business (Notes 12 and 36)",
        "documentation": "Inventories related to real estate business."
       }
      }
     },
     "auth_ref": []
    },
    "asx_InventoriesRelatedToRealEstateBusinessNoncurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InventoriesRelatedToRealEstateBusinessNoncurrent",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusinessAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Inventories related to real estate business, noncurrent",
        "terseLabel": "Inventories related to real estate business expected to be recovered longer than twelve months",
        "documentation": "Inventories related to real estate business expected to be recovered."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InventoryRecognisedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InventoryRecognisedAsOfAcquisitionDate",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Inventory recognised as of acquisition date",
        "terseLabel": "Inventories"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for inventory acquired in a business combination. [Refer: Inventories; Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r647",
      "r648",
      "r684"
     ]
    },
    "ifrs-full_InventoryWritedown2011": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InventoryWritedown2011",
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Inventory write-down",
        "terseLabel": "Write-downs of inventories"
       }
      }
     },
     "auth_ref": [
      "r52",
      "r369",
      "r600"
     ]
    },
    "ifrs-full_InvestmentAccountedForUsingEquityMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InvestmentAccountedForUsingEquityMethod",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0,
       "order": 15.0
      },
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsAccountedForUsingTheEquityMethodDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsAccountedForUsingTheEquityMethodDetail",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investments accounted for using equity method",
        "definitionGuidance": "Investments accounted for using the equity method (Note 14)",
        "totalLabel": "Investments accounted for using the equity method",
        "terseLabel": "Investments accounted for using the equity method"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of investments accounted for using the equity method. The equity method is a method of accounting whereby the investment is initially recognised at cost and adjusted thereafter for the post-acquisition change in the investor's share of net assets of the investee. The investor's profit or loss includes its share of the profit or loss of the investee. The investor's other comprehensive income includes its share of the other comprehensive income of the investee. [Refer: At cost [member]]"
       }
      }
     },
     "auth_ref": [
      "r185",
      "r313",
      "r514",
      "r560"
     ]
    },
    "asx_InvestmentPropertiesPledgedAsSecurity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InvestmentPropertiesPledgedAsSecurity",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/AssetsPledgedAsCollateralOrForSecuritySummaryOfAssetsPledgedAsCollateralOrForSecurityDetail": {
       "parentTag": "ifrs-full_AssetsHeldAsCollateralPermittedToBeSoldOrRepledgedAtFairValue",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/AssetsPledgedAsCollateralOrForSecuritySummaryOfAssetsPledgedAsCollateralOrForSecurityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investment Properties Pledged As Security",
        "terseLabel": "Investment properties",
        "documentation": "Investment properties pledged as security."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InvestmentProperty": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InvestmentProperty",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0,
       "order": 17.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesFairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investment property",
        "definitionGuidance": "Investment properties (Notes 17, 25 and 36)",
        "periodStartLabel": "Beginning balance",
        "periodEndLabel": "Ending balance",
        "terseLabel": "Fair value"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of property (land or a building - or part of a building - or both) held (by the owner or by the lessee as a right-of-use asset) to earn rentals or for capital appreciation or both, rather than for: (a) use in the production or supply of goods or services or for administrative purposes; or (b) sale in the ordinary course of business."
       }
      }
     },
     "auth_ref": [
      "r121",
      "r129",
      "r450",
      "r457",
      "r557"
     ]
    },
    "ifrs-full_InvestmentsInAssociates": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InvestmentsInAssociates",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsAccountedForUsingTheEquityMethodDetail": {
       "parentTag": "ifrs-full_InvestmentAccountedForUsingEquityMethod",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsAccountedForUsingTheEquityMethodDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investments in associates",
        "terseLabel": "Investments in associates"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of investments in associates in an entity's separate financial statements. [Refer: Total for all associates [member]]"
       }
      }
     },
     "auth_ref": [
      "r75"
     ]
    },
    "asx_InvestmentsInAssociatesBeforeDeferredGainOnTransferOfLand": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InvestmentsInAssociatesBeforeDeferredGainOnTransferOfLand",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investments in associates before deferred gain on transfer of land",
        "verboseLabel": "Investments in associates before deferred gain on transfer of land",
        "documentation": "Investments in associates before deferred gain on transfer of land."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InvestmentsInJointVentures": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InvestmentsInJointVentures",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsAccountedForUsingTheEquityMethodDetail": {
       "parentTag": "ifrs-full_InvestmentAccountedForUsingEquityMethod",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsAccountedForUsingTheEquityMethodDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInJointVenturesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investments in joint ventures",
        "terseLabel": "Investments in joint venture",
        "definitionGuidance": "Carrying Amount"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of investments in joint ventures in an entity's separate financial statements. [Refer: Total for all joint ventures [member]]"
       }
      }
     },
     "auth_ref": [
      "r75"
     ]
    },
    "ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociatesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InvestmentsInSubsidiariesJointVenturesAndAssociatesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Investments in subsidiaries, joint ventures and associates [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_InvestorAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InvestorAxis",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investor [Axis]",
        "documentation": "Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_InvestorDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "InvestorDomain",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Investor [Domain]",
        "documentation": "Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IseServicesIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IseServicesIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ISE Services Inc [Member]",
        "terseLabel": "ISE Services, Inc. [member]",
        "documentation": "ISE Services, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "asx_IssuanceOfShareValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IssuanceOfShareValue",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail": {
       "parentTag": "asx_SharePremiumMayBeUsedToOffsetDeficitDistributedAsCashDividendsOrTransferredToShareCapital",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Issuance Of Share Value",
        "terseLabel": "Issuance of ordinary shares",
        "documentation": "Issuance of share value."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IssuedCapital": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IssuedCapital",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent",
       "weight": 1.0,
       "order": 51.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Issued capital",
        "totalLabel": "Total share capital"
       }
      },
      "en": {
       "role": {
        "documentation": "The nominal value of capital issued."
       }
      }
     },
     "auth_ref": [
      "r687",
      "r695"
     ]
    },
    "ifrs-full_IssuedCapitalAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IssuedCapitalAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Issued capital [abstract]",
        "terseLabel": "Share capital"
       }
      }
     },
     "auth_ref": []
    },
    "asx_IssuedCapitalAuthorisedAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "IssuedCapitalAuthorisedAmount",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfShareCapitalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Issued Capital Authorised Amount",
        "terseLabel": "Share capital authorized",
        "documentation": "Issued capital authorised amount."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IssuedCapitalMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IssuedCapitalMember",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Issued capital [member]",
        "terseLabel": "Share capital [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity representing issued capital."
       }
      }
     },
     "auth_ref": [
      "r546"
     ]
    },
    "asx_JAndRHoldingLimitedInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "JAndRHoldingLimitedInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "J And R Holding Limited Investor [Member]",
        "terseLabel": "J&amp;R Holding [Member]",
        "documentation": "J And R holding limited investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_JAndRHoldingLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "JAndRHoldingLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "J &amp; R Holding Limited [member]",
        "verboseLabel": "J &amp; R Holding Limited (\"J&amp;R Holding\") [member]",
        "documentation": "J &amp; R Holding Limited."
       }
      }
     },
     "auth_ref": []
    },
    "asx_JAndRIndustrialIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "JAndRIndustrialIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "J&amp;R Industrial Inc. [member]",
        "terseLabel": "J&amp;R Industrial Inc. [member]",
        "documentation": "J&amp;R Industrial Inc."
       }
      }
     },
     "auth_ref": []
    },
    "currency_JPY": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/currency/2025",
     "localname": "JPY",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Japan, Yen",
        "terseLabel": "Japanese Yen [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_JanuaryToMarch2024Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "JanuaryToMarch2024Member",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "January To March 2025 [Member]",
        "documentation": "January to march 2024."
       }
      }
     },
     "auth_ref": []
    },
    "asx_JanuaryToMarch2025Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "JanuaryToMarch2025Member",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "January To March 2026 [Member]",
        "documentation": "January to march 2025."
       }
      }
     },
     "auth_ref": []
    },
    "asx_JapaneseYenEqualsToChineseYuanMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "JapaneseYenEqualsToChineseYuanMember",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Japanese Yen Equals To Chinese Yuan [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_JapaneseYenEqualsToNewTaiwanDollarMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "JapaneseYenEqualsToNewTaiwanDollarMember",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Japanese yen equals to new Taiwan dollar [member]",
        "terseLabel": "Japanese yen equals to New Taiwan dollar [member]",
        "documentation": "Japanese yen equals to new Taiwan dollar."
       }
      }
     },
     "auth_ref": []
    },
    "asx_JapaneseYenEqualsToUsDollarMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "JapaneseYenEqualsToUsDollarMember",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Japanese yen equals to US dollar [member]",
        "terseLabel": "Japanese yen equals to US dollar [member]",
        "documentation": "Japanese yen equals to US dollar."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_JointOperationsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "JointOperationsAxis",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Joint operations [axis]",
        "terseLabel": "Joint operations [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r188"
     ]
    },
    "ifrs-full_JointOperationsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "JointOperationsDomain",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Joint operations [domain]",
        "terseLabel": "Joint operations [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Joint operations' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r188"
     ]
    },
    "ifrs-full_JointVenturesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "JointVenturesAxis",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfTheJointVentureThatIsNotIndividuallyMaterialDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInJointVenturesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Joint ventures [axis]",
        "terseLabel": "Joint ventures [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r78",
      "r81",
      "r187",
      "r510"
     ]
    },
    "ifrs-full_JointVenturesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "JointVenturesDomain",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfTheJointVentureThatIsNotIndividuallyMaterialDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInJointVenturesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Joint ventures [domain]",
        "terseLabel": "Joint ventures [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Joint ventures' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r78",
      "r81",
      "r187",
      "r510"
     ]
    },
    "ifrs-full_KeyManagementPersonnelCompensation": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "KeyManagementPersonnelCompensation",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/RelatedPartyTransactionsSummaryOfCompensationToKeyManagementPersonnelDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/RelatedPartyTransactionsSummaryOfCompensationToKeyManagementPersonnelDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Key management personnel compensation",
        "totalLabel": "Total"
       }
      }
     },
     "auth_ref": [
      "r66",
      "r423"
     ]
    },
    "ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "KeyManagementPersonnelCompensationPostemploymentBenefits",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/RelatedPartyTransactionsSummaryOfCompensationToKeyManagementPersonnelDetail": {
       "parentTag": "ifrs-full_KeyManagementPersonnelCompensation",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/RelatedPartyTransactionsSummaryOfCompensationToKeyManagementPersonnelDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Key management personnel compensation, post-employment benefits",
        "terseLabel": "Post-employment benefits"
       }
      }
     },
     "auth_ref": [
      "r64"
     ]
    },
    "ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "KeyManagementPersonnelCompensationSharebasedPayment",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/RelatedPartyTransactionsSummaryOfCompensationToKeyManagementPersonnelDetail": {
       "parentTag": "ifrs-full_KeyManagementPersonnelCompensation",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/RelatedPartyTransactionsSummaryOfCompensationToKeyManagementPersonnelDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Key management personnel compensation, share-based payment",
        "terseLabel": "Share-based payments"
       }
      }
     },
     "auth_ref": [
      "r65"
     ]
    },
    "ifrs-full_KeyManagementPersonnelCompensationShorttermEmployeeBenefits": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "KeyManagementPersonnelCompensationShorttermEmployeeBenefits",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/RelatedPartyTransactionsSummaryOfCompensationToKeyManagementPersonnelDetail": {
       "parentTag": "ifrs-full_KeyManagementPersonnelCompensation",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/RelatedPartyTransactionsSummaryOfCompensationToKeyManagementPersonnelDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Key management personnel compensation, short-term employee benefits",
        "terseLabel": "Short-term employee benefits"
       }
      }
     },
     "auth_ref": [
      "r63"
     ]
    },
    "asx_KunShanDingHongRealEstateDevelopmentCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "KunShanDingHongRealEstateDevelopmentCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Kun Shan Ding Hong Real Estate Development Co., Ltd. [member]",
        "terseLabel": "Kun Shan Ding Hong Real Estate Development Co., Ltd. [member]",
        "documentation": "Kun Shan Ding Hong Real Estate Development Co., Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_LandAndBuildingsHeldForSaleMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "LandAndBuildingsHeldForSaleMember",
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusinessSummaryOfInventoriesRelatedToRealEstateBusinessDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Land And Buildings Held For Sale [member]",
        "terseLabel": "Land and buildings held for sale [member]",
        "documentation": "Land and buildings held for sale."
       }
      }
     },
     "auth_ref": []
    },
    "asx_LandAndLandImprovements1Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "LandAndLandImprovements1Member",
     "presentation": [
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Land and Land Improvements1 [Member]",
        "terseLabel": "Land and Land Improvements [Member]",
        "documentation": "Land and Land Improvements [Member]."
       }
      }
     },
     "auth_ref": []
    },
    "asx_LandImprovements1Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "LandImprovements1Member",
     "presentation": [
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLivesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Land Improvements1 [Member]",
        "terseLabel": "Land Improvements [Member]",
        "documentation": "Land Improvements [Member]."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_LandMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LandMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfRightOfUseAssetsDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfTheGroupsLeaseLiabilitiesAreMainlyFromLandAndBuildingsAndImprovementsRangeOfDiscountRateForLeaseLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Land [member]",
        "terseLabel": "Land [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a class of property, plant and equipment representing land held by the entity for use in operations. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r609"
     ]
    },
    "ifrs-full_LaterThanFifteenYearsAndNotLaterThanTwentyYearsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LaterThanFifteenYearsAndNotLaterThanTwentyYearsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutMaturityAnalysisOfObligationUnderLeasesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Later than fifteen years and not later than twenty years [member]",
        "terseLabel": "15 to 20 Years [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than fifteen years and not later than twenty years."
       }
      }
     },
     "auth_ref": [
      "r655",
      "r663"
     ]
    },
    "ifrs-full_LaterThanFiveYearsAndNotLaterThanTenYearsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LaterThanFiveYearsAndNotLaterThanTenYearsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutMaturityAnalysisOfObligationUnderLeasesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Later than five years and not later than ten years [member]",
        "terseLabel": "5 to 10 Years [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than five years and not later than ten years."
       }
      }
     },
     "auth_ref": [
      "r655",
      "r663",
      "r851"
     ]
    },
    "ifrs-full_LaterThanFiveYearsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LaterThanFiveYearsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfMaturityAnalysisOfOperatingLeasePaymentsDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMaturityAnalysisOfUndiscountedPensionBenefitDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Later than five years [member]",
        "definitionGuidance": "Year 6 onwards [member]",
        "terseLabel": "More than 5 years [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than five years."
       }
      }
     },
     "auth_ref": [
      "r216",
      "r217",
      "r229",
      "r346",
      "r350",
      "r655",
      "r659",
      "r663"
     ]
    },
    "ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LaterThanFourYearsAndNotLaterThanFiveYearsMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfMaturityAnalysisOfOperatingLeasePaymentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Later than four years and not later than five years [member]",
        "terseLabel": "Year 5 [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than four years and not later than five years."
       }
      }
     },
     "auth_ref": [
      "r216",
      "r217",
      "r229",
      "r655",
      "r663",
      "r851"
     ]
    },
    "ifrs-full_LaterThanOneMonthAndNotLaterThanThreeMonthsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LaterThanOneMonthAndNotLaterThanThreeMonthsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForDerivativeFinancialInstrumentsDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceForCurrentFinancialAssetsAtFvtociDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Later than one month and not later than three months [member]",
        "terseLabel": "1 to 3 months [member]",
        "verboseLabel": "1 to 3 months [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than one month and not later than three months."
       }
      }
     },
     "auth_ref": [
      "r652",
      "r658",
      "r663"
     ]
    },
    "ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LaterThanOneYearAndNotLaterThanFiveYearsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutMaturityAnalysisOfObligationUnderLeasesDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMaturityAnalysisOfUndiscountedPensionBenefitDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Later than one year and not later than five years [member]",
        "terseLabel": "1-5 years [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than one year and not later than five years."
       }
      }
     },
     "auth_ref": [
      "r345",
      "r349",
      "r654",
      "r663"
     ]
    },
    "ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LaterThanOneYearAndNotLaterThanTwoYearsMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfMaturityAnalysisOfOperatingLeasePaymentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Later than one year and not later than two years [member]",
        "terseLabel": "Year 2 [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than one year and not later than two years."
       }
      }
     },
     "auth_ref": [
      "r216",
      "r217",
      "r229",
      "r655",
      "r663",
      "r851"
     ]
    },
    "ifrs-full_LaterThanTenYearsAndNotLaterThanFifteenYearsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LaterThanTenYearsAndNotLaterThanFifteenYearsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutMaturityAnalysisOfObligationUnderLeasesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Later than ten years and not later than fifteen years [member]",
        "terseLabel": "10 to 15 Years [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than ten years and not later than fifteen years."
       }
      }
     },
     "auth_ref": [
      "r655",
      "r663"
     ]
    },
    "ifrs-full_LaterThanThreeMonthsAndNotLaterThanOneYearMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LaterThanThreeMonthsAndNotLaterThanOneYearMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForDerivativeFinancialInstrumentsDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Later than three months and not later than one year [member]",
        "terseLabel": "3 months to 1 year [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than three months and not later than one year."
       }
      }
     },
     "auth_ref": [
      "r653"
     ]
    },
    "ifrs-full_LaterThanThreeMonthsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LaterThanThreeMonthsMember",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceForCurrentFinancialAssetsAtFvtociDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Later than three months [member]",
        "terseLabel": "More than 91 days [member]",
        "verboseLabel": "More than 91 days [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than three months."
       }
      }
     },
     "auth_ref": [
      "r649",
      "r662"
     ]
    },
    "ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LaterThanThreeYearsAndNotLaterThanFourYearsMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfMaturityAnalysisOfOperatingLeasePaymentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Later than three years and not later than four years [member]",
        "terseLabel": "Year 4 [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than three years and not later than four years."
       }
      }
     },
     "auth_ref": [
      "r216",
      "r217",
      "r229",
      "r655",
      "r663",
      "r851"
     ]
    },
    "asx_LaterThanTwentyYearsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "LaterThanTwentyYearsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutMaturityAnalysisOfObligationUnderLeasesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Later Than Twenty Years [Member]",
        "terseLabel": "More than 20 Years [member]",
        "documentation": "Later Than Twenty Years [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LaterThanTwoYearsAndNotLaterThanThreeYearsMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfMaturityAnalysisOfOperatingLeasePaymentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Later than two years and not later than three years [member]",
        "terseLabel": "Year 3 [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a time band of later than two years and not later than three years."
       }
      }
     },
     "auth_ref": [
      "r216",
      "r217",
      "r229",
      "r655",
      "r663",
      "r851"
     ]
    },
    "ifrs-full_LeaseLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LeaseLiabilitiesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Lease liabilities [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_LeaseLiabilitiesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LeaseLiabilitiesMember",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutMaturityAnalysisOfObligationUnderLeasesDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Lease liabilities [member]",
        "terseLabel": "Lease liabilities [member]",
        "verboseLabel": "Obligation under leases [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for lease liabilities. [Refer: Lease liabilities]"
       }
      }
     },
     "auth_ref": [
      "r628",
      "r633"
     ]
    },
    "asx_LeaseLiabilitiesRecognisedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "LeaseLiabilitiesRecognisedAsOfAcquisitionDate",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": -1.0,
       "order": 9.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Lease Liabilities Recognised As Of Acquisition Date",
        "negatedLabel": "Lease liabilities",
        "documentation": "Lease liabilities recognised as of acquisition date."
       }
      }
     },
     "auth_ref": []
    },
    "asx_LeaseTerm": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "LeaseTerm",
     "presentation": [
      "http://www.aseglobal.com/role/LeaseArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Lease Term",
        "terseLabel": "Lease Term",
        "documentation": "Lease term"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_Level1OfFairValueHierarchyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Level1OfFairValueHierarchyMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfFairValuesOfInvestmentsInAssociatesWithAvailablePublishedPriceQuotationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Level 1 of fair value hierarchy [member]",
        "terseLabel": "Level 1 of fair value hierarchy [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a category of the fair value hierarchy where inputs to the valuation techniques are quoted prices (unadjusted) in active markets for identical assets or liabilities that the entity can access at the measurement date."
       }
      }
     },
     "auth_ref": [
      "r41",
      "r93",
      "r97",
      "r192",
      "r433",
      "r516"
     ]
    },
    "ifrs-full_Level2OfFairValueHierarchyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Level2OfFairValueHierarchyMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Level 2 of fair value hierarchy [member]",
        "terseLabel": "Level 2 of fair value hierarchy [Member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a category of the fair value hierarchy where inputs to the valuation techniques are inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly."
       }
      }
     },
     "auth_ref": [
      "r93",
      "r97",
      "r192",
      "r433",
      "r516"
     ]
    },
    "ifrs-full_Level3OfFairValueHierarchyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Level3OfFairValueHierarchyMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesFairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Level 3 of fair value hierarchy [member]",
        "terseLabel": "Level 3 of fair value hierarchy [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a category of the fair value hierarchy where inputs to the valuation techniques are unobservable inputs for the asset or liability. Unobservable inputs are inputs for which market data are not available and that are developed using the best information available about the assumptions that the market participants would use when pricing the asset or liability."
       }
      }
     },
     "auth_ref": [
      "r93",
      "r97",
      "r192",
      "r433",
      "r516"
     ]
    },
    "ifrs-full_LevelsOfFairValueHierarchyAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LevelsOfFairValueHierarchyAxis",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsTables",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesFairValueDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfFairValuesOfInvestmentsInAssociatesWithAvailablePublishedPriceQuotationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Levels of fair value hierarchy [axis]",
        "terseLabel": "Levels of fair value hierarchy [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r41",
      "r192",
      "r516"
     ]
    },
    "ifrs-full_LevelsOfFairValueHierarchyDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LevelsOfFairValueHierarchyDomain",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsTables",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesFairValueDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfFairValuesOfInvestmentsInAssociatesWithAvailablePublishedPriceQuotationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Levels of fair value hierarchy [domain]",
        "terseLabel": "Levels of fair value hierarchy [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all levels of the fair value hierarchy. It also represents the standard value for the 'Levels of fair value hierarchy' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r41",
      "r192",
      "r516"
     ]
    },
    "ifrs-full_Liabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Liabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_EquityAndLiabilities",
       "weight": 1.0,
       "order": 24.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities",
        "totalLabel": "Total liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of a present obligation of the entity to transfer an economic resource as a result of past events. Economic resource is a right that has the potential to produce economic benefits."
       }
      }
     },
     "auth_ref": [
      "r191",
      "r192",
      "r197",
      "r312",
      "r318",
      "r515",
      "r516",
      "r567"
     ]
    },
    "ifrs-full_LiabilitiesArisingFromFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LiabilitiesArisingFromFinancingActivities",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities arising from financing activities",
        "periodStartLabel": "Beginning balance",
        "periodEndLabel": "Ending balance"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of liabilities for which cash flows were, or future cash flows will be, classified in the statement of cash flows as cash flows from financing activities. [Refer: Cash flows from (used in) financing activities; Liabilities]"
       }
      }
     },
     "auth_ref": [
      "r372",
      "r629"
     ]
    },
    "asx_LiabilitiesArisingFromFinancingActivitiesAdjustmentsForGovernmentSubsidy": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "LiabilitiesArisingFromFinancingActivitiesAdjustmentsForGovernmentSubsidy",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities Arising From Financing Activities Adjustments for government subsidy",
        "terseLabel": "Adjustments for government subsidy",
        "documentation": "Liabilities Arising From Financing Activities Adjustments for government subsidy"
       }
      }
     },
     "auth_ref": []
    },
    "asx_LiabilitiesArisingFromFinancingActivitiesAmortizationOfIssuanceCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "LiabilitiesArisingFromFinancingActivitiesAmortizationOfIssuanceCost",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities arising from financing activities amortization of issuance cost",
        "terseLabel": "Amortization of discount",
        "documentation": "Liabilities arising from financing activities amortization of issuance cost."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LiabilitiesArisingFromFinancingActivitiesAxis",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutMaturityAnalysisOfObligationUnderLeasesDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities arising from financing activities [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r372",
      "r629"
     ]
    },
    "asx_LiabilitiesArisingFromFinancingActivitiesCashFlows": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "LiabilitiesArisingFromFinancingActivitiesCashFlows",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities Arising From Financing Activities Cash Flows",
        "terseLabel": "Net financing cash flows",
        "documentation": "Liabilities Arising From Financing Activities Cash Flows"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LiabilitiesArisingFromFinancingActivitiesDomain",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutMaturityAnalysisOfObligationUnderLeasesDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities arising from financing activities [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for liabilities arising from financing activities. It also represents the standard value for the 'Liabilities arising from financing activities' axis if no other member is used. [Refer: Liabilities arising from financing activities]"
       }
      }
     },
     "auth_ref": [
      "r372",
      "r629"
     ]
    },
    "asx_LiabilitiesArisingFromFinancingActivitiesEffectOfForeignCurrencyExchange": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "LiabilitiesArisingFromFinancingActivitiesEffectOfForeignCurrencyExchange",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities Arising From Financing Activities Effect of Foreign Currency Exchange",
        "terseLabel": "Lease modifications",
        "documentation": "Liabilities arising from financing activities effect of foreign currency exchange"
       }
      }
     },
     "auth_ref": []
    },
    "asx_LiabilitiesArisingFromFinancingActivitiesForeignExchange": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "LiabilitiesArisingFromFinancingActivitiesForeignExchange",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities Arising From Financing Activities Foreign Exchange",
        "terseLabel": "Effects of foreign currency exchange",
        "documentation": "Liabilities Arising From Financing Activities Foreign Exchange"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_LiabilitiesInSubsidiaryOrBusinessesAcquiredOrDisposed2013": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LiabilitiesInSubsidiaryOrBusinessesAcquiredOrDisposed2013",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfGainOnDisposalOfSubsidiaryDetail": {
       "parentTag": "asx_GainOnDisposalOfSubsidiaries",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfGainOnDisposalOfSubsidiaryDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Liabilities in subsidiary or businesses acquired or disposed",
        "verboseLabel": "Non-controlling interest"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of liabilities in subsidiaries or other businesses over which control is obtained or lost. [Refer: Total for all subsidiaries [member]]"
       }
      }
     },
     "auth_ref": [
      "r142"
     ]
    },
    "ifrs-full_LiabilityAssetOfDefinedBenefitPlans": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LiabilityAssetOfDefinedBenefitPlans",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net defined benefit liability (asset)",
        "periodStartLabel": "Beginning balance",
        "periodEndLabel": "Ending balance"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [domain]]"
       }
      }
     },
     "auth_ref": [
      "r30",
      "r408"
     ]
    },
    "asx_LoanToRelatedParties": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "LoanToRelatedParties",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/RelatedPartyTransactionsScheduleOfLoanToRelatedPartiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Loan To Related Parties",
        "terseLabel": "Loan to related parties",
        "documentation": "Loan to related parties."
       }
      }
     },
     "auth_ref": []
    },
    "dei_LocalPhoneNumber": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "LocalPhoneNumber",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Local Phone Number",
        "documentation": "Local phone number for entity."
       }
      }
     },
     "auth_ref": []
    },
    "asx_LongTermBankLoansMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "LongTermBankLoansMember",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Long Term Bank Loans [member]",
        "terseLabel": "Long Term Bank Loans [member]",
        "documentation": "Long term bank loans."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_LongtermBorrowings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LongtermBorrowings",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0,
       "order": 39.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansDetail",
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current portion of non-current borrowings",
        "definitionGuidance": "Long-term borrowings (Notes 20 and 36)",
        "verboseLabel": "Noncurrent portion"
       }
      },
      "en": {
       "role": {
        "documentation": "The non-current portion of non-current borrowings. [Refer: Borrowings]"
       }
      }
     },
     "auth_ref": [
      "r854"
     ]
    },
    "ifrs-full_LongtermBorrowingsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LongtermBorrowingsMember",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Long-term borrowings [member]",
        "terseLabel": "Long-term borrowings [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for long-term borrowings. [Refer: Borrowings]"
       }
      }
     },
     "auth_ref": [
      "r628",
      "r633"
     ]
    },
    "asx_LossOrGainOnDisposalOfInvestmentsAccountedForUsingEquityInvestments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "LossOrGainOnDisposalOfInvestmentsAccountedForUsingEquityInvestments",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0,
       "order": 66.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Loss Or Gain On Disposal Of Investments Accounted For Using Equity Investments",
        "negatedLabel": "Gain on disposal of investments accounted for using the equity method",
        "terseLabel": "Loss or gain on disposal of investments accounted for using equity investments",
        "documentation": "Loss Or Gain On Disposal Of Investments Accounted For Using Equity Investments"
       }
      }
     },
     "auth_ref": []
    },
    "asx_MachineryAndEquipment1Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "MachineryAndEquipment1Member",
     "presentation": [
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfRightOfUseAssetsDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLivesDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Machinery And Equipment1 [member]",
        "terseLabel": "Machinery and equipment [member]",
        "verboseLabel": "Machinery and equipment [member]",
        "documentation": "Machinery and equipment."
       }
      }
     },
     "auth_ref": []
    },
    "asx_MachvisionIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "MachvisionIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "MACHVISION Inc [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_MainBuildingsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "MainBuildingsMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesInvestmentPropertiesDepreciatedOnAStraightLineBasisOverUsefulLivesDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLivesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Main buildings [member]",
        "terseLabel": "Main plant buildings [Member]",
        "documentation": "Main plant buildings."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_MajorBusinessCombinationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MajorBusinessCombinationMember",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantEventsAfterReportingPeriodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Major business combination [member]",
        "verboseLabel": "Major business combination [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for major business combinations. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r603",
      "r674"
     ]
    },
    "ifrs-full_MajorComponentsOfTaxExpenseIncomeAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MajorComponentsOfTaxExpenseIncomeAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Major components of tax expense (income) [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_MajorCustomersAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MajorCustomersAxis",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Customer [Axis]",
        "terseLabel": "Major customers [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r325"
     ]
    },
    "ifrs-full_MajorCustomersDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MajorCustomersDomain",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Major customers [domain]",
        "terseLabel": "Major customers [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for customers. It also represents the standard value for the 'Major customers' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r325"
     ]
    },
    "ifrs-full_MajorOrdinaryShareTransactionsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MajorOrdinaryShareTransactionsMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Major ordinary share transactions [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for major ordinary share transactions. [Refer: Ordinary shares [member]]"
       }
      }
     },
     "auth_ref": [
      "r604",
      "r675"
     ]
    },
    "asx_ManufacturingPowerTunisiaMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ManufacturingPowerTunisiaMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "MANUFACTURING POWER TUNISIA [Member]",
        "terseLabel": "MANUFACTURING POWER TUNISIA [member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_MaturityAnalysisForDerivativeFinancialLiabilities": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MaturityAnalysisForDerivativeFinancialLiabilities",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of maturity analysis for derivative financial liabilities [text block]",
        "terseLabel": "Summary of Maturity Analysis for Derivative Financial Instruments"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of a maturity analysis for derivative financial liabilities, including the remaining contractual maturities for those derivative financial liabilities for which contractual maturities are essential for an understanding of the timing of the cash flows. [Refer: Derivative financial liabilities]"
       }
      }
     },
     "auth_ref": [
      "r289",
      "r507"
     ]
    },
    "ifrs-full_MaturityAnalysisForNonderivativeFinancialLiabilities": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MaturityAnalysisForNonderivativeFinancialLiabilities",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Disclosure of maturity analysis for non-derivative financial liabilities [text block]",
        "terseLabel": "Summary of Maturity Analysis for Non-derivative Financial Liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of a maturity analysis for non-derivative financial liabilities (including issued financial guarantee contracts) that shows the remaining contractual maturities. [Refer: Derivative financial liabilities]"
       }
      }
     },
     "auth_ref": [
      "r288",
      "r506"
     ]
    },
    "ifrs-full_MaturityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MaturityAxis",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutMaturityAnalysisOfObligationUnderLeasesDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForDerivativeFinancialInstrumentsDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesDetail",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedLossCarryForwardDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfMaturityAnalysisOfOperatingLeasePaymentsDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMaturityAnalysisOfUndiscountedPensionBenefitDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maturity [axis]",
        "terseLabel": "Maturity [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r203",
      "r216",
      "r217",
      "r220",
      "r221",
      "r223",
      "r229",
      "r269",
      "r292",
      "r331",
      "r334",
      "r347",
      "r351",
      "r500",
      "r570",
      "r615",
      "r655"
     ]
    },
    "ifrs-full_MaturityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MaturityDomain",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutMaturityAnalysisOfObligationUnderLeasesDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForDerivativeFinancialInstrumentsDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesDetail",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedLossCarryForwardDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfMaturityAnalysisOfOperatingLeasePaymentsDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMaturityAnalysisOfUndiscountedPensionBenefitDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maturity [domain]",
        "terseLabel": "Maturity [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for aggregated time bands. It also represents the standard value for the 'Maturity' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r203",
      "r216",
      "r217",
      "r220",
      "r221",
      "r223",
      "r229",
      "r269",
      "r331",
      "r334",
      "r347",
      "r351",
      "r500",
      "r570",
      "r615",
      "r655",
      "r660"
     ]
    },
    "srt_MaximumMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "MaximumMember",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfSupplierFinancingArrangementsTradePayablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Maximum [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_MeasureAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "MeasureAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measure [Axis]",
        "terseLabel": "Measure:"
       }
      }
     },
     "auth_ref": [
      "r760"
     ]
    },
    "ecd_MeasureName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "MeasureName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measure Name",
        "terseLabel": "Name"
       }
      }
     },
     "auth_ref": [
      "r760"
     ]
    },
    "ifrs-full_MeasurementAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MeasurementAxis",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfSharesHeldBySubsidiariesDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsNotMeasuredAtFairValueButForWhichFairValueIsDisclosedDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsTables",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesFairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measurement [axis]",
        "terseLabel": "Measurement [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r115",
      "r131",
      "r191",
      "r458",
      "r515"
     ]
    },
    "ifrs-full_MeasurementDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MeasurementDomain",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfSharesHeldBySubsidiariesDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsNotMeasuredAtFairValueButForWhichFairValueIsDisclosedDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsTables",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesFairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Measurement [domain]",
        "terseLabel": "Measurement [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all types of measurement. It also represents the standard value for the 'Measurement' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r115",
      "r131",
      "r191",
      "r458",
      "r515"
     ]
    },
    "asx_MergerByShareExchange": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "MergerByShareExchange",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail": {
       "parentTag": "asx_SharePremiumMayBeUsedToOffsetDeficitDistributedAsCashDividendsOrTransferredToShareCapital",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Merger by share exchange",
        "terseLabel": "Merger by share exchange",
        "documentation": "Merger by share exchange."
       }
      }
     },
     "auth_ref": []
    },
    "srt_MinimumMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "MinimumMember",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfSupplierFinancingArrangementsTradePayablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Minimum [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_MiscellaneousOtherGainsLosses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "MiscellaneousOtherGainsLosses",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherGainsAndLossesDetail": {
       "parentTag": "ifrs-full_OtherGainsLosses",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherGainsAndLossesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Miscellaneous other gains (losses)",
        "terseLabel": "Others",
        "documentation": "Miscellaneous other gains (losses)"
       }
      }
     },
     "auth_ref": []
    },
    "asx_MiscellaneousOtherOperatingIncomeExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "MiscellaneousOtherOperatingIncomeExpense",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherOperatingIncomeAndExpensesNetDetail": {
       "parentTag": "ifrs-full_OtherOperatingIncomeExpense",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherOperatingIncomeAndExpensesNetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Miscellaneous other operating income expense",
        "terseLabel": "Others",
        "documentation": "Miscellaneous other operating income expense."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_MnpiDiscTimedForCompValFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "MnpiDiscTimedForCompValFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "MNPI Disclosure Timed for Compensation Value [Flag]",
        "terseLabel": "MNPI Disclosure Timed for Compensation Value"
       }
      }
     },
     "auth_ref": [
      "r780"
     ]
    },
    "ifrs-full_MortgagesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MortgagesMember",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Mortgages [member]",
        "terseLabel": "Mortgage loans [Member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a class of financial assets that represents loans to finance the purchase of assets where the asset acts as collateral to secure the loan."
       }
      }
     },
     "auth_ref": [
      "r650",
      "r661",
      "r664"
     ]
    },
    "ecd_MtrlTermsOfTrdArrTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "MtrlTermsOfTrdArrTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Material Terms of Trading Arrangement [Text Block]",
        "terseLabel": "Material Terms of Trading Arrangement"
       }
      }
     },
     "auth_ref": [
      "r788"
     ]
    },
    "asx_MuniverseInvestmentsPteLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "MuniverseInvestmentsPteLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "MUniverse Investments PTE LTD [Member]",
        "terseLabel": "M-Universe Investments Pte. Ltd. [member]",
        "documentation": "M-Universe Investments PTE. LTD"
       }
      }
     },
     "auth_ref": []
    },
    "asx_MutekElectronicsCo.Ltd.Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "MutekElectronicsCo.Ltd.Member",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInJointVenturesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "MUtek Electronics Co., Ltd. [Member]",
        "documentation": "MUtek electronics co., ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_MutekMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "MutekMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "MUtek [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_NamedExecutiveOfficersFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "NamedExecutiveOfficersFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Named Executive Officers, Footnote [Text Block]",
        "terseLabel": "Named Executive Officers, Footnote"
       }
      }
     },
     "auth_ref": [
      "r761"
     ]
    },
    "ifrs-full_NetAmountsForPayfloatingReceivefixedInterestRateSwapsForWhichNetCashFlowsAreExchanged": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NetAmountsForPayfloatingReceivefixedInterestRateSwapsForWhichNetCashFlowsAreExchanged",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForDerivativeFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net amounts for pay-floating (receive-fixed) interest rate swaps for which net cash flows are exchanged",
        "terseLabel": "Net settled"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of contractual undiscounted cash flows in relation to net amounts for pay-floating (receive-fixed) interest rate swaps for which net cash flows are exchanged. [Refer: Swap contract [member]]"
       }
      }
     },
     "auth_ref": [
      "r656"
     ]
    },
    "asx_NetAssetsDisposedCashAndCashEquivalents": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NetAssetsDisposedCashAndCashEquivalents",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net Assets Disposed Cash And Cash Equivalents",
        "negatedLabel": "Cash and cash equivalents",
        "documentation": "Net assets disposed cash And cash equivalents."
       }
      }
     },
     "auth_ref": []
    },
    "asx_NetAssetsDisposedOfFinancialAssetsAtFairValueNonCurrentAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NetAssetsDisposedOfFinancialAssetsAtFairValueNonCurrentAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net Assets Disposed Of Financial Assets At Fair Value Non Current Assets",
        "terseLabel": "Financial assets at fair value through other comprehensive income \u2013 non-current",
        "documentation": "Net assets disposed of financial assets at fair value non current assets."
       }
      }
     },
     "auth_ref": []
    },
    "asx_NetAssetsDisposedOfOtherCurrentAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NetAssetsDisposedOfOtherCurrentAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net Assets Disposed of Other Current Assets",
        "negatedLabel": "Other current assets",
        "documentation": "Net assets disposed of other current assets."
       }
      }
     },
     "auth_ref": []
    },
    "asx_NetAssetsDisposedOffInventoriesRelatedToRealEstateBusiness": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NetAssetsDisposedOffInventoriesRelatedToRealEstateBusiness",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net Assets Disposed Off Inventories Related To Real Estate Business",
        "terseLabel": "Inventories related to real estate business",
        "documentation": "Net assets disposed off inventories related to real estate business."
       }
      }
     },
     "auth_ref": []
    },
    "asx_NetCashInflowArisingFromDisposalOfSubsidiary": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NetCashInflowArisingFromDisposalOfSubsidiary",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfNetCashInflowOnDisposalOfSubsidiariesDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfNetCashInflowOnDisposalOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net Cash Inflow Arising From Disposal Of Subsidiary",
        "negatedTotalLabel": "Net cash inflow on disposals of subsidiaries",
        "documentation": "Net cash inflow arising from disposal of subsidiary."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NetDeferredTaxLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NetDeferredTaxLiabilities",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedInvestmentCreditsDetail",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedLossCarryForwardDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net deferred tax liabilities",
        "verboseLabel": "Unused loss carry-forward",
        "terseLabel": "Remaining Creditable Amount"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of deferred tax liabilities net of deferred tax assets, when the absolute amount of deferred tax liabilities is greater than the absolute amount of deferred tax assets. [Refer: Deferred tax assets; Deferred tax liabilities]"
       }
      }
     },
     "auth_ref": [
      "r812"
     ]
    },
    "asx_NetDefinedBenefitLiabilitiesRecognisedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NetDefinedBenefitLiabilitiesRecognisedAsOfAcquisitionDate",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": -1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net Defined Benefit Liabilities Recognised As Of Acquisition Date",
        "negatedLabel": "Net defined benefit liabilities",
        "documentation": "Net defined benefit liabilities recognised as of acquisition date."
       }
      }
     },
     "auth_ref": []
    },
    "asx_NetDefinedBenefitLiability": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NetDefinedBenefitLiability",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfDefinedBenefitPlansAmountsIncludedInConsolidatedBalanceSheetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net Defined Benefit Liability",
        "terseLabel": "Net defined benefit liabilities",
        "documentation": "Net defined benefit liability."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NetDefinedBenefitLiabilityAssetAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NetDefinedBenefitLiabilityAssetAxis",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net defined benefit liability (asset) [axis]",
        "terseLabel": "Net defined benefit liability (asset) [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r30",
      "r408"
     ]
    },
    "ifrs-full_NetDefinedBenefitLiabilityAssetDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NetDefinedBenefitLiabilityAssetDomain",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net defined benefit liability (asset) [domain]",
        "terseLabel": "Net defined benefit liability (asset) [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the net defined benefit liability (asset). It also represents the standard value for the 'Net defined benefit liability (asset)' axis if no other member is used. [Refer: Net defined benefit liability (asset)]"
       }
      }
     },
     "auth_ref": [
      "r30",
      "r408"
     ]
    },
    "us-gaap_NetIncomeLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "NetIncomeLoss",
     "crdr": "credit",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net Income (Loss)",
        "terseLabel": "Net Income (Loss)"
       }
      }
     },
     "auth_ref": []
    },
    "asx_NetLiabilitiesDisposedTradeAndOtherPayables": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NetLiabilitiesDisposedTradeAndOtherPayables",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net Liabilities Disposed Trade And Other Payables",
        "terseLabel": "Other payables",
        "documentation": "Net liabilities disposed trade and other payables."
       }
      }
     },
     "auth_ref": []
    },
    "asx_NewFineMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NewFineMember",
     "presentation": [
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "New Fine [Member]",
        "terseLabel": "New Fine [Member]",
        "documentation": "New fine member."
       }
      }
     },
     "auth_ref": []
    },
    "asx_NonCashChangesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NonCashChangesAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non Cash Changes [abstract]",
        "terseLabel": "Non-cash changes",
        "documentation": "Non cash changes."
       }
      }
     },
     "auth_ref": []
    },
    "asx_NonControllingInterestsarisingFromcapitalIncreaseofSubsidiaries": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NonControllingInterestsarisingFromcapitalIncreaseofSubsidiaries",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity",
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non Controlling InterestsArising FromCapital IncreaseOf Subsidiaries",
        "terseLabel": "Non-controlling interests arising from capital increase of subsidiaries",
        "verboseLabel": "Non-controlling interest arising from capital increase of subsidiaries",
        "documentation": "Non controlling interests\u00a0arising from\u00a0capital increase\u00a0of subsidiaries."
       }
      }
     },
     "auth_ref": []
    },
    "asx_NonDerivativeFinancialAssetsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NonDerivativeFinancialAssetsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non derivative financial assets [member]",
        "terseLabel": "Non-derivative financial assets [member]",
        "documentation": "Non derivative financial assets."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_NonGaapMeasureDescriptionTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "NonGaapMeasureDescriptionTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-GAAP Measure Description [Text Block]",
        "terseLabel": "Non-GAAP Measure Description"
       }
      }
     },
     "auth_ref": [
      "r760"
     ]
    },
    "asx_NonInterestBearingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NonInterestBearingMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non interest bearing [member]",
        "terseLabel": "Non interest bearing [member]",
        "documentation": "Non interest bearing."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_NonNeosMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "NonNeosMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-NEOs [Member]",
        "terseLabel": "Non-NEOs"
       }
      }
     },
     "auth_ref": [
      "r723",
      "r734",
      "r744",
      "r768",
      "r777"
     ]
    },
    "asx_NonOperatingIncomeAndExpensesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NonOperatingIncomeAndExpensesAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non Operating Income And Expenses [abstract]",
        "terseLabel": "NON-OPERATING INCOME AND EXPENSES",
        "documentation": "Non operating income and expenses."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_NonPeoNeoAvgCompActuallyPaidAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "NonPeoNeoAvgCompActuallyPaidAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-PEO NEO Average Compensation Actually Paid Amount",
        "terseLabel": "Non-PEO NEO Average Compensation Actually Paid Amount"
       }
      }
     },
     "auth_ref": [
      "r751"
     ]
    },
    "ecd_NonPeoNeoAvgTotalCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "NonPeoNeoAvgTotalCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-PEO NEO Average Total Compensation Amount",
        "terseLabel": "Non-PEO NEO Average Total Compensation Amount"
       }
      }
     },
     "auth_ref": [
      "r750"
     ]
    },
    "ecd_NonPeoNeoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "NonPeoNeoMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-PEO NEO [Member]",
        "terseLabel": "Non-PEO NEO"
       }
      }
     },
     "auth_ref": [
      "r768"
     ]
    },
    "ecd_NonRule10b51ArrAdoptedFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "NonRule10b51ArrAdoptedFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-Rule 10b5-1 Arrangement Adopted [Flag]",
        "terseLabel": "Non-Rule 10b5-1 Arrangement Adopted"
       }
      }
     },
     "auth_ref": [
      "r788"
     ]
    },
    "ecd_NonRule10b51ArrTrmntdFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "NonRule10b51ArrTrmntdFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-Rule 10b5-1 Arrangement Terminated [Flag]",
        "terseLabel": "Non-Rule 10b5-1 Arrangement Terminated"
       }
      }
     },
     "auth_ref": [
      "r788"
     ]
    },
    "ifrs-full_NonadjustingEventsAfterReportingPeriodAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NonadjustingEventsAfterReportingPeriodAxis",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SignificantEventsAfterReportingPeriodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-adjusting events after reporting period [axis]",
        "terseLabel": "Non-adjusting events after reporting period [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r0",
      "r383"
     ]
    },
    "ifrs-full_NonadjustingEventsAfterReportingPeriodDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NonadjustingEventsAfterReportingPeriodDomain",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SignificantEventsAfterReportingPeriodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-adjusting events after reporting period [domain]",
        "terseLabel": "Non-adjusting events after reporting period [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for events that occur between the end of the reporting period and the date when the financial statements are authorised for issue and are indicative of conditions that arose after the reporting period. It also represents the standard value for the 'Non-adjusting events after reporting period' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r0",
      "r383"
     ]
    },
    "ifrs-full_NoncashAssetsPledgedAsCollateralForWhichTransfereeHasRightByContractOrCustomToSellOrRepledgeCollateral": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncashAssetsPledgedAsCollateralForWhichTransfereeHasRightByContractOrCustomToSellOrRepledgeCollateral",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/AssetsPledgedAsCollateralOrForSecuritySummaryOfAssetsPledgedAsCollateralOrForSecurityDetail": {
       "parentTag": "ifrs-full_AssetsHeldAsCollateralPermittedToBeSoldOrRepledgedAtFairValue",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/AssetsPledgedAsCollateralOrForSecuritySummaryOfAssetsPledgedAsCollateralOrForSecurityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-cash assets pledged as collateral for which transferee has right by contract or custom to sell or repledge collateral",
        "terseLabel": "Other financial assets (including current and non-current)"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of non-cash collateral assets (such as debt or equity instruments) provided to a transferee, for which the transferee has the right by contract or custom to sell or repledge the collateral."
       }
      }
     },
     "auth_ref": [
      "r327"
     ]
    },
    "asx_NoncashInvestingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NoncashInvestingActivitiesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-cash investing activities [abstract]",
        "documentation": "Non-cash investing activities [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NoncontrollingInterests": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncontrollingInterests",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_Equity",
       "weight": 1.0,
       "order": 58.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-controlling interests",
        "verboseLabel": "NON-CONTROLLING INTERESTS (Note\u00a024)"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of equity in a subsidiary not attributable, directly or indirectly, to a parent. [Refer: Total for all subsidiaries [member]]"
       }
      }
     },
     "auth_ref": [
      "r158",
      "r161",
      "r565"
     ]
    },
    "ifrs-full_NoncontrollingInterestsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncontrollingInterestsMember",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity",
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-controlling interests [member]",
        "terseLabel": "Non-controlling interests [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for equity in a subsidiary not attributable, directly or indirectly, to the parent."
       }
      }
     },
     "auth_ref": [
      "r546"
     ]
    },
    "ifrs-full_NoncurrentAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncurrentAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 12.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current assets",
        "totalLabel": "Total non-current assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of assets that do not meet the definition of current assets. [Refer: Current assets]"
       }
      }
     },
     "auth_ref": [
      "r174",
      "r571",
      "r634"
     ]
    },
    "ifrs-full_NoncurrentAssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncurrentAssetsAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current assets [abstract]",
        "terseLabel": "NON-CURRENT ASSETS"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfGeographicalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current assets other than financial instruments, deferred tax assets, post-employment benefit assets, and rights arising under insurance contracts",
        "terseLabel": "Noncurrent assets, excluding financial instruments, post-employment benefit assets and deferred tax assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of non-current assets other than financial instruments, deferred tax assets, post-employment benefit assets and rights arising under insurance contracts. [Refer: Deferred tax assets; Classes of financial instruments [domain]; Non-current assets]"
       }
      }
     },
     "auth_ref": [
      "r323"
     ]
    },
    "ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0,
       "order": 14.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current financial assets at fair value through other comprehensive income",
        "verboseLabel": "Financial assets at fair value through other comprehensive income - non-current (Note 8)"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of non-current financial assets at fair value through other comprehensive income. [Refer: Financial assets at fair value through other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r300",
      "r491"
     ]
    },
    "ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail": {
       "parentTag": "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss",
       "weight": 1.0,
       "order": 2.0
      },
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0,
       "order": 13.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current financial assets at fair value through profit or loss",
        "definitionGuidance": "Financial assets at fair value through profit or loss - non-current (Note\u00a07)",
        "verboseLabel": "Non-current"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of non-current financial assets measured at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss]"
       }
      }
     },
     "auth_ref": [
      "r296",
      "r483"
     ]
    },
    "ifrs-full_NoncurrentFinancialLiabilitiesAtFairValueThroughProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncurrentFinancialLiabilitiesAtFairValueThroughProfitOrLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail": {
       "parentTag": "ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss",
       "weight": 1.0,
       "order": 3.0
      },
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0,
       "order": 44.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current financial liabilities at fair value through profit or loss",
        "definitionGuidance": "Financial liabilities at fair value through profit or loss - non-current (Note\u00a07)",
        "terseLabel": "Non-current"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of non-current financial liabilities measured at fair value through profit or loss. [Refer: Financial liabilities at fair value through profit or loss]"
       }
      }
     },
     "auth_ref": [
      "r297",
      "r486"
     ]
    },
    "ifrs-full_NoncurrentLeaseLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncurrentLeaseLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0,
       "order": 43.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfLeaseLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current lease liabilities",
        "definitionGuidance": "Lease liabilities - non-current (Note 16)",
        "verboseLabel": "Non-current"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of non-current lease liabilities. [Refer: Lease liabilities]"
       }
      }
     },
     "auth_ref": [
      "r206"
     ]
    },
    "ifrs-full_NoncurrentLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncurrentLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_Liabilities",
       "weight": 1.0,
       "order": 37.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current liabilities",
        "totalLabel": "Total non-current liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of liabilities that do not meet the definition of current liabilities. [Refer: Current liabilities]"
       }
      }
     },
     "auth_ref": [
      "r176",
      "r572",
      "r634"
     ]
    },
    "ifrs-full_NoncurrentLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncurrentLiabilitiesAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current liabilities [abstract]",
        "terseLabel": "NON-CURRENT LIABILITIES"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NoncurrentPortionOfNoncurrentBondsIssued": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncurrentPortionOfNoncurrentBondsIssued",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0,
       "order": 38.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableDetail",
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current portion of non-current bonds issued",
        "definitionGuidance": "Bonds payable (Note 21)",
        "verboseLabel": "Noncurrent portion"
       }
      },
      "en": {
       "role": {
        "documentation": "The non-current portion of non-current bonds issued. [Refer: Bonds issued]"
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncurrentRecognisedLiabilitiesDefinedBenefitPlan",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0,
       "order": 41.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current net defined benefit liability",
        "verboseLabel": "Net defined benefit liabilities (Note 23)"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of non-current net defined benefit liability. [Refer: Net defined benefit liability]"
       }
      }
     },
     "auth_ref": [
      "r854"
     ]
    },
    "ifrs-full_NoncurrentTradeReceivables": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncurrentTradeReceivables",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfTradeReceivablesNetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-current trade receivables",
        "verboseLabel": "At FVTOCI"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of non-current trade receivables. [Refer: Trade receivables]"
       }
      }
     },
     "auth_ref": [
      "r685",
      "r693"
     ]
    },
    "ifrs-full_NonderivativeFinancialLiabilitiesUndiscountedCashFlows": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NonderivativeFinancialLiabilitiesUndiscountedCashFlows",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutMaturityAnalysisOfObligationUnderLeasesDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-derivative financial liabilities, undiscounted cash flows",
        "terseLabel": "Non-derivative financial liabilities undiscounted amounts"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of contractual undiscounted cash flows in relation to non-derivative financial liabilities."
       }
      }
     },
     "auth_ref": [
      "r288",
      "r506"
     ]
    },
    "asx_NonoperatingIncomeAndExpenses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NonoperatingIncomeAndExpenses",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_ProfitLossBeforeTax",
       "weight": 1.0,
       "order": 19.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Non-operating income and expenses",
        "totalLabel": "Total non-operating income and expenses",
        "documentation": "Non-operating income and expenses."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NotLaterThanOneMonthMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NotLaterThanOneMonthMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForDerivativeFinancialInstrumentsDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceForCurrentFinancialAssetsAtFvtociDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Not later than one month [member]",
        "terseLabel": "Less than 1 month [member]",
        "verboseLabel": "Less than 1 month [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a time band of not later than one month."
       }
      }
     },
     "auth_ref": [
      "r651",
      "r657",
      "r663"
     ]
    },
    "ifrs-full_NotLaterThanOneYearMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NotLaterThanOneYearMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutMaturityAnalysisOfObligationUnderLeasesDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfMaturityAnalysisOfOperatingLeasePaymentsDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMaturityAnalysisOfUndiscountedPensionBenefitDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Not later than one year [member]",
        "definitionGuidance": "Year 1 [member]",
        "terseLabel": "Less than 1 year [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a time band of not later than one year."
       }
      }
     },
     "auth_ref": [
      "r216",
      "r217",
      "r229",
      "r344",
      "r348",
      "r569",
      "r655",
      "r663"
     ]
    },
    "ifrs-full_NotionalAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NotionalAmount",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableParentheticalDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Notional amount",
        "verboseLabel": "Notional amount"
       }
      },
      "en": {
       "role": {
        "documentation": "The nominal or face amount of a financial instrument, used to calculate payments made on that instrument."
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "asx_NumberOfBondsAcquired": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NumberOfBondsAcquired",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of bonds acquired",
        "terseLabel": "Number of bonds acquired",
        "documentation": "Number of bonds acquired."
       }
      }
     },
     "auth_ref": []
    },
    "asx_NumberOfConsecutiveTradingDaysForDeterminingConversionPrice": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NumberOfConsecutiveTradingDaysForDeterminingConversionPrice",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of consecutive trading days for determining Conversion price",
        "documentation": "Number of consecutive trading days for determining conversion price."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NumberOfDaysBetweenInvoiceDateAndPaymentDueDateForFinancialLiabilitiesThatArePartOfSupplierFinanceArrangements": {
     "xbrltype": "durationItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfDaysBetweenInvoiceDateAndPaymentDueDateForFinancialLiabilitiesThatArePartOfSupplierFinanceArrangements",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfSupplierFinancingArrangementsTradePayablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of days between invoice date and payment due date for financial liabilities that are part of supplier finance arrangements",
        "terseLabel": "Liabilities that are part of supplier finance arrangements (days)"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of days between invoice date and payment due date for financial liabilities that are part of a supplier finance arrangement."
       }
      }
     },
     "auth_ref": [
      "r146",
      "r375"
     ]
    },
    "ifrs-full_NumberOfDaysBetweenInvoiceDateAndPaymentDueDateForTradePayablesThatAreNotPartOfSupplierFinanceArrangements": {
     "xbrltype": "durationItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfDaysBetweenInvoiceDateAndPaymentDueDateForTradePayablesThatAreNotPartOfSupplierFinanceArrangements",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfSupplierFinancingArrangementsTradePayablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of days between invoice date and payment due date for trade payables that are not part of supplier finance arrangements",
        "terseLabel": "Comparable trade payables that are not part of supplier finance arrangements (days)"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of days between invoice date and payment due date for comparable trade payables that are not part of a supplier finance arrangement."
       }
      }
     },
     "auth_ref": [
      "r146",
      "r375"
     ]
    },
    "ifrs-full_NumberOfInstrumentsGrantedInSharebasedPaymentArrangement": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfInstrumentsGrantedInSharebasedPaymentArrangement",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of instruments granted in share-based payment arrangement",
        "terseLabel": "Number of shares granted"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of instruments granted in share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r645",
      "r646",
      "r683"
     ]
    },
    "ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfInstrumentsOtherEquityInstrumentsGranted",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutEmployeeRestrictedStockAwardsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of other equity instruments granted in share-based payment arrangement",
        "presentationGuidance": "Number of employee restricted stock award granted",
        "definitionGuidance": "Shares granted",
        "verboseLabel": "Stocks granted"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r246",
      "r840"
     ]
    },
    "asx_NumberOfOrdinarySharesPerADS": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NumberOfOrdinarySharesPerADS",
     "presentation": [
      "http://www.aseglobal.com/role/EarningsPerShareAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of Ordinary Shares Per ADS",
        "terseLabel": "Number of shares represented by each ADS",
        "documentation": "Number of ordinary shares per ADS."
       }
      }
     },
     "auth_ref": []
    },
    "asx_NumberOfOtherEquityInstrumentsAwaitingRetiredInAShareBasedPaymentArrangement": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NumberOfOtherEquityInstrumentsAwaitingRetiredInAShareBasedPaymentArrangement",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutEmployeeRestrictedStockAwardsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number Of Other Equity Instruments Awaiting Retired In A Share Based Payment Arrangement",
        "verboseLabel": "Shares awaiting retired",
        "documentation": "Number of other equity instruments awaiting retired in a share based payment arrangement."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of other equity instruments exercisable in share-based payment arrangement",
        "terseLabel": "Options exercisable, end of year"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of other equity instruments (ie other than share options) exercisable in a share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r840"
     ]
    },
    "ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of other equity instruments exercised or vested in share-based payment arrangement",
        "negatedLabel": "Stocks exercised"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of other equity instruments (ie other than share options) exercised or vested in a share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r840"
     ]
    },
    "ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutEmployeeRestrictedStockAwardsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of other equity instruments forfeited in share-based payment arrangement",
        "terseLabel": "Number of other equity instruments forfeited in share-based payment arrangement",
        "negatedTerseLabel": "Shares forfeited",
        "negatedLabel": "Stocks forfeited"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of other equity instruments (ie other than share options) forfeited in a share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r840"
     ]
    },
    "ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutEmployeeRestrictedStockAwardsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of other equity instruments outstanding in share-based payment arrangement",
        "periodEndLabel": "Balance at December\u00a0\u00a031",
        "periodStartLabel": "Balance at January\u00a0\u00a01"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r840"
     ]
    },
    "asx_NumberOfOtherEquityInstrumentsOutstandingShareBasedPaymentArrangementAtFairValueOfOptionsgranted": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NumberOfOtherEquityInstrumentsOutstandingShareBasedPaymentArrangementAtFairValueOfOptionsgranted",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of Other Equity Instruments Outstanding Share Based Payment Arrangement At Fair Value Of Optionsgranted",
        "terseLabel": "Fair value of restricted stocks granted (RMB)",
        "documentation": "Number of other equity instruments outstanding share based payment arrangement at fair value of options granted."
       }
      }
     },
     "auth_ref": []
    },
    "asx_NumberOfOtherEquityInstrumentsStocksUnrestrictedInSharebasedPaymentArrangement": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NumberOfOtherEquityInstrumentsStocksUnrestrictedInSharebasedPaymentArrangement",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutEmployeeRestrictedStockAwardsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of Other Equity Instruments Stocks Unrestricted in ShareBased Payment Arrangement",
        "terseLabel": "Shares unrestricted",
        "documentation": "Number of other equity instruments stocks unrestricted in share-based payment arrangement."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NumberOfOutstandingShareOptions": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfOutstandingShareOptions",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of share options outstanding in share-based payment arrangement",
        "periodStartLabel": "Number of options, beginning balance",
        "periodEndLabel": "Number of options, Ending balance"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of share options outstanding in a share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r233",
      "r238",
      "r242",
      "r463",
      "r468"
     ]
    },
    "ifrs-full_NumberOfShareOptionsExercisableInSharebasedPaymentArrangement": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfShareOptionsExercisableInSharebasedPaymentArrangement",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of share options exercisable in share-based payment arrangement",
        "periodEndLabel": "Number of options, exercisable, end of year",
        "terseLabel": "Number of options, exercisable, end of year"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of share options exercisable in a share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r239",
      "r469"
     ]
    },
    "ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfShareOptionsExercisedInSharebasedPaymentArrangement",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of share options exercised in share-based payment arrangement",
        "negatedLabel": "Number of options, exercised",
        "negatedTerseLabel": "Number of options, exercised"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of share options exercised in a share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r236",
      "r466"
     ]
    },
    "ifrs-full_NumberOfShareOptionsExpiredInSharebasedPaymentArrangement": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfShareOptionsExpiredInSharebasedPaymentArrangement",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of share options expired in share-based payment arrangement",
        "negatedLabel": "Number of options, expired"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of share options expired in a share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r237",
      "r467"
     ]
    },
    "ifrs-full_NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of share options forfeited in share-based payment arrangement",
        "negatedLabel": "Number of options, forfeited"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of share options forfeited in a share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r235",
      "r465"
     ]
    },
    "ifrs-full_NumberOfShareOptionsGrantedInSharebasedPaymentArrangement": {
     "xbrltype": "decimalItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfShareOptionsGrantedInSharebasedPaymentArrangement",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of share options granted in share-based payment arrangement",
        "verboseLabel": "Options granted",
        "terseLabel": "Number of options, granted"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of share options granted in a share-based payment arrangement."
       }
      }
     },
     "auth_ref": [
      "r234",
      "r464"
     ]
    },
    "asx_NumberOfSharesApprovedForRepurchase": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "NumberOfSharesApprovedForRepurchase",
     "presentation": [
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of shares approved for repurchase",
        "terseLabel": "Number of shares approved for repurchase",
        "documentation": "Number of shares approved for repurchase."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NumberOfSharesAuthorised": {
     "xbrltype": "sharesItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfSharesAuthorised",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfShareCapitalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of shares authorised",
        "terseLabel": "Numbers of shares authorized (in thousands)"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of shares authorised."
       }
      }
     },
     "auth_ref": [
      "r356",
      "r520",
      "r575"
     ]
    },
    "ifrs-full_NumberOfSharesIssued": {
     "xbrltype": "sharesItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfSharesIssued",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of shares issued",
        "periodStartLabel": "Beginning balance, shares",
        "periodEndLabel": "Ending balance, shares"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of shares issued by the entity."
       }
      }
     },
     "auth_ref": [
      "r849"
     ]
    },
    "ifrs-full_NumberOfSharesIssuedAndFullyPaid": {
     "xbrltype": "sharesItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfSharesIssuedAndFullyPaid",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfShareCapitalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of shares issued and fully paid",
        "terseLabel": "Number of shares issued and fully paid (in thousands)"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of shares issued by the entity, for which full payment has been received."
       }
      }
     },
     "auth_ref": [
      "r357",
      "r521",
      "r576"
     ]
    },
    "ifrs-full_NumberOfSharesOutstanding": {
     "xbrltype": "sharesItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfSharesOutstanding",
     "presentation": [
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of shares outstanding",
        "terseLabel": "Number of shares outstanding"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]"
       }
      }
     },
     "auth_ref": [
      "r359",
      "r523",
      "r578"
     ]
    },
    "asx_OmniquestIndustrialLimitedInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OmniquestIndustrialLimitedInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Omniquest Industrial Limited Investor [Member]",
        "terseLabel": "Omniquest Industrial Limited [Member]",
        "documentation": "Omniquest industrial limited investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_OmniquestIndustrialLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OmniquestIndustrialLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Omniquest Industrial Limited [member]",
        "terseLabel": "Omniquest Industrial Limited [member]",
        "documentation": "Omniquest Industrial Limited."
       }
      }
     },
     "auth_ref": []
    },
    "asx_OpenendMutualFundsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OpenendMutualFundsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Open-end mutual funds [member]",
        "terseLabel": "Open-end mutual funds [member]",
        "documentation": "Open-end mutual funds."
       }
      }
     },
     "auth_ref": []
    },
    "asx_OperatingCostsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OperatingCostsMember",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfDepreciationAndAmortizationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeeBenefitsExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating costs [member]",
        "terseLabel": "Operating costs [member]",
        "documentation": "Operating costs."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OperatingExpenseExcludingCostOfSales": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OperatingExpenseExcludingCostOfSales",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_ProfitLossFromOperatingActivities",
       "weight": -1.0,
       "order": 25.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating expense excluding cost of sales",
        "totalLabel": "Total operating expenses"
       }
      }
     },
     "auth_ref": [
      "r857"
     ]
    },
    "asx_OperatingExpenses1Abstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OperatingExpenses1Abstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating Expenses 1 [abstract]",
        "verboseLabel": "OPERATING EXPENSES",
        "documentation": "Operating Expenses 1 [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_OperatingExpensesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OperatingExpensesMember",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfDepreciationAndAmortizationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeeBenefitsExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating Expenses [Member]",
        "terseLabel": "Operating expenses [member]",
        "documentation": "Operating expense."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OperatingSegmentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OperatingSegmentsMember",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operating segments [member]",
        "terseLabel": "Operating segment [member]"
       }
      }
     },
     "auth_ref": [
      "r320"
     ]
    },
    "asx_OperationsFromContinuingAndDiscontinuedAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OperationsFromContinuingAndDiscontinuedAxis",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfGainOnDisposalOfSubsidiaryDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfNetCashInflowOnDisposalOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operations From Continuing And Discontinued [Axis]",
        "terseLabel": "Operations from continuing and discontinued [Axis]",
        "documentation": "Operations From Continuing And Discontinued."
       }
      }
     },
     "auth_ref": []
    },
    "asx_OperationsFromContinuingAndDiscontinuedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OperationsFromContinuingAndDiscontinuedMember",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfGainOnDisposalOfSubsidiaryDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfNetCashInflowOnDisposalOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Operations From Continuing And Discontinued [Member]",
        "terseLabel": "Operations from continuing and discontinued [member]",
        "documentation": "Operations From Continuing And Discontinued."
       }
      }
     },
     "auth_ref": []
    },
    "asx_OrdinaryShareCapitals": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OrdinaryShareCapitals",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_IssuedCapital",
       "weight": 1.0,
       "order": 52.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ordinary Share Capitals",
        "terseLabel": "Ordinary shares",
        "documentation": "Ordinary share capitals."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OrdinarySharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OrdinarySharesMember",
     "presentation": [
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ordinary shares [member]",
        "terseLabel": "Ordinary shares [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for equity instruments that are subordinate to all other classes of equity instruments."
       }
      }
     },
     "auth_ref": [
      "r856"
     ]
    },
    "asx_OriginalFineMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OriginalFineMember",
     "presentation": [
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Original Fine [Member]",
        "terseLabel": "Original Fine [Member]",
        "documentation": "Original fine member."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherAdjustmentsForNoncashItems": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherAdjustmentsForNoncashItems",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 49.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other adjustments for non-cash items",
        "terseLabel": "Others"
       }
      }
     },
     "auth_ref": [
      "r834"
     ]
    },
    "ifrs-full_OtherAssetsAmountContributedToFairValueOfPlanAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherAssetsAmountContributedToFairValueOfPlanAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfFairValueOfThePlanAssetsByMajorCategoriesDetail": {
       "parentTag": "ifrs-full_PlanAssetsAtFairValue",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfFairValueOfThePlanAssetsByMajorCategoriesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other assets, amount contributed to fair value of plan assets",
        "terseLabel": "Others"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount other types of assets not separately disclosed contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [domain]]"
       }
      }
     },
     "auth_ref": [
      "r413",
      "r819"
     ]
    },
    "asx_OtherAssetsRecognisedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OtherAssetsRecognisedAsOfAcquisitionDate",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other assets recognised as of acquisition date",
        "terseLabel": "Others",
        "documentation": "Other assets recognised as of acquisition date."
       }
      }
     },
     "auth_ref": []
    },
    "asx_OtherChangesInCapitalSurplus": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OtherChangesInCapitalSurplus",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Changes In Capital Surplus",
        "terseLabel": "Other changes in the capital surplus",
        "documentation": "Other changes in capital surplus."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherComprehensiveIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfAssociatesThatAreNotIndividuallyMaterialDetail": {
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0,
       "order": 2.0
      },
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0,
       "order": 5.0
      },
      "http://www.aseglobal.com/role/EquitySummaryOfUnrealizedGainLossOnFinancialAssetsAtFvtociDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity",
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
      "http://www.aseglobal.com/role/EquitySummaryOfUnrealizedGainLossOnFinancialAssetsAtFvtociDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfAssociatesThatAreNotIndividuallyMaterialDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other comprehensive income",
        "totalLabel": "Other comprehensive income (loss) for the year, net of income tax",
        "positiveLabel": "Other comprehensive income (loss) for the year, net of income tax",
        "verboseLabel": "Other comprehensive income"
       }
      }
     },
     "auth_ref": [
      "r179",
      "r544",
      "r585",
      "r597"
     ]
    },
    "ifrs-full_OtherComprehensiveIncomeAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherComprehensiveIncomeAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other comprehensive income [abstract]",
        "terseLabel": "OTHER COMPREHENSIVE INCOME (LOSS)",
        "verboseLabel": "Other comprehensive income (loss) for the year"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans",
        "negatedLabel": "Recognized in other comprehensive income"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of other comprehensive income, before tax, related to gains (losses) on remeasurements of defined benefit plans, which comprise actuarial gains and losses; the return on plan assets, excluding amounts included in net interest on the net defined benefit liability (asset); and any change in the effect of the asset ceiling, excluding amounts included in net interest on the net defined benefit liability (asset). [Refer: Other comprehensive income; Defined benefit plans [domain]; Plan assets [member]; Net defined benefit liability (asset)] [Contrast: Decrease (increase) in net defined benefit liability (asset) resulting from gain (loss) on remeasurement in other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r573",
      "r598",
      "r817"
     ]
    },
    "ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans",
        "verboseLabel": "Gains (losses) on remeasurements of defined benefit plans"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of other comprehensive income, net of tax, related to gains (losses) on remeasurements of defined benefit plans, which comprise actuarial gains and losses; the return on plan assets, excluding amounts included in net interest on the net defined benefit liability (asset); and any change in the effect of the asset ceiling, excluding amounts included in net interest on the net defined benefit liability (asset). [Refer: Other comprehensive income; Defined benefit plans [domain]; Plan assets [member]; Net defined benefit liability (asset)] [Contrast: Decrease (increase) in net defined benefit liability (asset) resulting from gain (loss) on remeasurement in other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r573",
      "r597",
      "r817"
     ]
    },
    "ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_OtherComprehensiveIncome",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other comprehensive income that will be reclassified to profit or loss, net of tax",
        "totalLabel": "Items that may be reclassified subsequently to profit or loss"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of other comprehensive income that will be reclassified to profit or loss, net of tax. [Refer: Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r696",
      "r697"
     ]
    },
    "ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_OtherComprehensiveIncome",
       "weight": 1.0,
       "order": 12.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other comprehensive income that will not be reclassified to profit or loss, net of tax",
        "totalLabel": "Items that will not be reclassified subsequently to profit or loss"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of other comprehensive income that will not be reclassified to profit or loss, net of tax. [Refer: Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r696",
      "r697"
     ]
    },
    "ifrs-full_OtherCurrentFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherCurrentFinancialAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/OtherFinancialAssetsSummaryOfOtherFinancialAssetsDetail": {
       "parentTag": "ifrs-full_OtherFinancialAssets",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0,
       "order": 9.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/OtherFinancialAssetsSummaryOfOtherFinancialAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other current financial assets",
        "positiveVerboseLabel": "Other financial assets - current (Notes 13 and 36)",
        "terseLabel": "Current"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current financial assets that the entity does not separately disclose in the same statement or note. [Refer: Other financial assets; Current financial assets]"
       }
      }
     },
     "auth_ref": [
      "r559"
     ]
    },
    "ifrs-full_OtherCurrentLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherCurrentLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0,
       "order": 34.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other current liabilities",
        "verboseLabel": "Other current liabilities (Note 37)"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current liabilities that the entity does not separately disclose in the same statement or note. [Refer: Current liabilities]"
       }
      }
     },
     "auth_ref": [
      "r854"
     ]
    },
    "ifrs-full_OtherCurrentNonfinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherCurrentNonfinancialAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0,
       "order": 10.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other current non-financial assets",
        "terseLabel": "Other current assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current non-financial assets that the entity does not separately disclose in the same statement or note. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r854"
     ]
    },
    "ifrs-full_OtherCurrentPayables": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherCurrentPayables",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0,
       "order": 30.0
      },
      "http://www.aseglobal.com/role/OtherPayablesSummaryOfOtherPayablesDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/OtherPayablesSummaryOfOtherPayablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other current payables",
        "verboseLabel": "Other payables (Note 22)",
        "totalLabel": "Other payables"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current payables that the entity does not separately disclose in the same statement or note."
       }
      }
     },
     "auth_ref": [
      "r854"
     ]
    },
    "ifrs-full_OtherCurrentReceivables": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherCurrentReceivables",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentAssets",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other current receivables",
        "terseLabel": "Other receivables"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current other receivables. [Refer: Other receivables]"
       }
      }
     },
     "auth_ref": [
      "r685",
      "r693"
     ]
    },
    "asx_OtherEquipmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OtherEquipmentMember",
     "presentation": [
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfRightOfUseAssetsDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLivesDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Equipment [member]",
        "terseLabel": "Other equipment [member]",
        "documentation": "Other equipment."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherEquityInterest": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherEquityInterest",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent",
       "weight": 1.0,
       "order": 49.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other equity interest",
        "terseLabel": "Other equity"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of equity interest of an entity without share capital that the entity does not separately disclose in the same statement or note."
       }
      }
     },
     "auth_ref": [
      "r687",
      "r695"
     ]
    },
    "ifrs-full_OtherExpenseByFunction": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherExpenseByFunction",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other expense, by function",
        "terseLabel": "Social security contributions"
       }
      }
     },
     "auth_ref": [
      "r72",
      "r602",
      "r689"
     ]
    },
    "ifrs-full_OtherFinanceCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherFinanceCost",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfFinanceCostsDetail": {
       "parentTag": "ifrs-full_FinanceCosts",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfFinanceCostsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other finance cost",
        "terseLabel": "Other finance costs"
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "asx_OtherFinancialAssetMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OtherFinancialAssetMember",
     "presentation": [
      "http://www.aseglobal.com/role/OtherFinancialAssetsSummaryOfOtherFinancialAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other financial asset [member]",
        "terseLabel": "Others [member]",
        "documentation": "Other financial assets."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherFinancialAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/OtherFinancialAssetsSummaryOfOtherFinancialAssetsDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAdditionalInformationDetail",
      "http://www.aseglobal.com/role/OtherFinancialAssetsSummaryOfOtherFinancialAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other financial assets",
        "verboseLabel": "Corporate bonds amount",
        "terseLabel": "Other financial assets",
        "totalLabel": "Total"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of financial assets that the entity does not separately disclose in the same statement or note. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r559"
     ]
    },
    "ifrs-full_OtherGainsLosses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherGainsLosses",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "asx_NonoperatingIncomeAndExpenses",
       "weight": 1.0,
       "order": 21.0
      },
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherGainsAndLossesDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherGainsAndLossesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other gains (losses)",
        "verboseLabel": "Other gains and losses",
        "totalLabel": "Other gains and losses"
       }
      }
     },
     "auth_ref": [
      "r847",
      "r848"
     ]
    },
    "asx_OtherGeographicalAreasMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OtherGeographicalAreasMember",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfGeographicalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Geographical Areas [member]",
        "terseLabel": "Other geographical areas [member]",
        "documentation": "Other geographical areas."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherInflowsOutflowsOfCashClassifiedAsFinancingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": 1.0,
       "order": 11.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other inflows (outflows) of cash, classified as financing activities",
        "terseLabel": "Other financing activities items"
       }
      },
      "en": {
       "role": {
        "documentation": "Inflows (outflows) of cash, classified as financing activities, that the entity does not separately disclose in the same statement or note."
       }
      }
     },
     "auth_ref": [
      "r134"
     ]
    },
    "ifrs-full_OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 32.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other inflows (outflows) of cash, classified as investing activities",
        "verboseLabel": "Other investing activities items"
       }
      },
      "en": {
       "role": {
        "documentation": "Inflows (outflows) of cash, classified as investing activities, that the entity does not separately disclose in the same statement or note."
       }
      }
     },
     "auth_ref": [
      "r134"
     ]
    },
    "ifrs-full_OtherIntangibleAssetsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherIntangibleAssetsMember",
     "presentation": [
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfCarryingAmountsOfEachClassOfOtherIntangibleAssetsDetail",
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfOtherIntangibleAssetsUsefulLivesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other intangible assets [member]",
        "terseLabel": "Others [Member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a class of intangible assets that the entity does not separately disclose in the same statement or note. [Refer: Intangible assets other than goodwill]"
       }
      }
     },
     "auth_ref": [
      "r830"
     ]
    },
    "asx_OtherInterestExpenses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OtherInterestExpenses",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfFinanceCostsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other interest expenses",
        "documentation": "Other interest expenses."
       }
      }
     },
     "auth_ref": []
    },
    "asx_OtherLiabilitiesRecognisedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OtherLiabilitiesRecognisedAsOfAcquisitionDate",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": -1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Liabilities Recognised As Of Acquisition Date",
        "negatedLabel": "Others",
        "documentation": "Other liabilities recognised as of acquisition date."
       }
      }
     },
     "auth_ref": []
    },
    "asx_OtherLoansMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OtherLoansMember",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other loans [member]",
        "terseLabel": "Other loans [Member]",
        "documentation": "Other loans."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherNoncashEffectsSupplierFinanceArrangements": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherNoncashEffectsSupplierFinanceArrangements",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other non-cash effects, supplier finance arrangements",
        "terseLabel": "Other non-cash effects, supplier finance arrangements"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of other non-cash effects that do not require the use of cash and cash equivalents on financial liabilities that are part of a supplier finance arrangement."
       }
      }
     },
     "auth_ref": [
      "r630",
      "r673"
     ]
    },
    "ifrs-full_OtherNoncurrentFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherNoncurrentFinancialAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/OtherFinancialAssetsSummaryOfOtherFinancialAssetsDetail": {
       "parentTag": "ifrs-full_OtherFinancialAssets",
       "weight": 1.0,
       "order": 2.0
      },
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0,
       "order": 21.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/OtherFinancialAssetsSummaryOfOtherFinancialAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other non-current financial assets",
        "definitionGuidance": "Other financial assets - non-current (Notes 13 and 36)",
        "terseLabel": "Non-current"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of non-current financial assets that the entity does not separately disclose in the same statement or note. [Refer: Other financial assets]"
       }
      }
     },
     "auth_ref": [
      "r559"
     ]
    },
    "ifrs-full_OtherNoncurrentLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherNoncurrentLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_NoncurrentLiabilities",
       "weight": 1.0,
       "order": 42.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other non-current liabilities",
        "definitionGuidance": "Other non-current liabilities (Note 37)"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of non-current liabilities that the entity does not separately disclose in the same statement or note. [Refer: Non-current liabilities]"
       }
      }
     },
     "auth_ref": [
      "r854"
     ]
    },
    "ifrs-full_OtherNoncurrentNonfinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherNoncurrentNonfinancialAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0,
       "order": 22.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other non-current non-financial assets",
        "terseLabel": "Other non-current assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of non-current non-financial assets that the entity does not separately disclose in the same statement or note. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r854"
     ]
    },
    "ifrs-full_OtherOperatingIncomeExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherOperatingIncomeExpense",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_ProfitLossFromOperatingActivities",
       "weight": 1.0,
       "order": 32.0
      },
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherOperatingIncomeAndExpensesNetDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherOperatingIncomeAndExpensesNetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other operating income (expense)",
        "verboseLabel": "OTHER OPERATING INCOME AND EXPENSES, NET",
        "totalLabel": "Other operating income and expenses, net"
       }
      }
     },
     "auth_ref": [
      "r857"
     ]
    },
    "ifrs-full_OtherPayables": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherPayables",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/OtherPayablesSummaryOfOtherPayablesDetail": {
       "parentTag": "ifrs-full_OtherCurrentPayables",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/OtherPayablesSummaryOfOtherPayablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other payables",
        "terseLabel": "Others"
       }
      },
      "en": {
       "role": {
        "documentation": "Amounts payable that the entity does not separately disclose in the same statement or note."
       }
      }
     },
     "auth_ref": [
      "r854"
     ]
    },
    "ecd_OtherPerfMeasureAmt": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "OtherPerfMeasureAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Performance Measure, Amount",
        "terseLabel": "Other Performance Measure, Amount"
       }
      }
     },
     "auth_ref": [
      "r760"
     ]
    },
    "ifrs-full_OtherPriceRiskMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherPriceRiskMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other price risk [member]",
        "terseLabel": "Other price risk [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a type of market risk representing the risk that the fair value or future cash flows of a financial instrument will fluctuate because of changes in market prices (other than those arising from interest rate risk or currency risk), whether those changes are caused by factors specific to the individual financial instrument or its issuer, or by factors affecting all similar financial instruments traded in the market. [Refer: Currency risk [member]; Interest rate risk [member]; Classes of financial instruments [domain]]"
       }
      }
     },
     "auth_ref": [
      "r224",
      "r225",
      "r226",
      "r227",
      "r303"
     ]
    },
    "asx_OtherProductsAndServicesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OtherProductsAndServicesMember",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfRevenueFromMajorProductsAndServicesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Products And Services [member]",
        "terseLabel": "Other products and services [member]",
        "documentation": "Other products and services."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherPropertyPlantAndEquipmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherPropertyPlantAndEquipmentMember",
     "presentation": [
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLivesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other property, plant and equipment [member]",
        "terseLabel": "Others [Member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a class of property, plant and equipment representing property, plant and equipment that the entity does not separately disclose in the same statement or note. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r815"
     ]
    },
    "asx_OtherReservesDirectlyAssociatedWithDisposalGroupsHeldForSaleMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OtherReservesDirectlyAssociatedWithDisposalGroupsHeldForSaleMember",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Reserves Directly Associated With Disposal Groups Held For Sale [Member]",
        "terseLabel": "Equity directly associated with disposal groups held for sale [member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherReservesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherReservesMember",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other reserves [member]",
        "terseLabel": "Other reserves [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity representing reserves within equity, not including retained earnings. [Refer: Retained earnings]"
       }
      }
     },
     "auth_ref": [
      "r363",
      "r546"
     ]
    },
    "asx_OtherShareBasedPayment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OtherShareBasedPayment",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail": {
       "parentTag": "asx_SharePremiumMayNotBeUsedForAnyPurpose",
       "weight": 1.0,
       "order": 16.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Share Based Payment",
        "terseLabel": "Others",
        "documentation": "Other share based payments"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherShorttermEmployeeBenefits": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherShorttermEmployeeBenefits",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeeBenefitsExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other short-term employee benefits",
        "terseLabel": "Other employee benefits"
       }
      }
     },
     "auth_ref": [
      "r824"
     ]
    },
    "ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other tax effects for reconciliation between accounting profit and tax expense (income)",
        "terseLabel": "Pillar Two income tax"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that the entity does not separately disclose in the same statement or note. [Refer: Accounting profit; Applicable tax rate]"
       }
      }
     },
     "auth_ref": [
      "r4",
      "r387"
     ]
    },
    "asx_OtherTaxesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OtherTaxesMember",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedInvestmentCreditsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other Taxes [member]",
        "terseLabel": "Others [member]",
        "documentation": "Other taxes."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherTemporaryDifferencesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherTemporaryDifferencesMember",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Other temporary differences [member]",
        "terseLabel": "Other temporary differences [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for temporary differences that the entity does not separately disclose in the same statement or note. [Refer: Temporary differences [member]]"
       }
      }
     },
     "auth_ref": [
      "r813"
     ]
    },
    "asx_OthersMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OthersMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Others [Member]",
        "documentation": "Others."
       }
      }
     },
     "auth_ref": []
    },
    "asx_OutflowsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "OutflowsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForDerivativeFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Outflows [member]",
        "terseLabel": "Outflows [member]",
        "documentation": "Outflows [member]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_OutstandingAggtErrCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "OutstandingAggtErrCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Outstanding Aggregate Erroneous Compensation Amount",
        "terseLabel": "Outstanding Aggregate Erroneous Compensation Amount"
       }
      }
     },
     "auth_ref": [
      "r721",
      "r732",
      "r742",
      "r775"
     ]
    },
    "ecd_OutstandingRecoveryCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "OutstandingRecoveryCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Outstanding Recovery Compensation Amount",
        "terseLabel": "Compensation Amount"
       }
      }
     },
     "auth_ref": [
      "r724",
      "r735",
      "r745",
      "r778"
     ]
    },
    "ecd_OutstandingRecoveryIndName": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "OutstandingRecoveryIndName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Outstanding Recovery, Individual Name",
        "terseLabel": "Name"
       }
      }
     },
     "auth_ref": [
      "r724",
      "r735",
      "r745",
      "r778"
     ]
    },
    "asx_PackagingAndElectronicManufacturingServiceSegmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PackagingAndElectronicManufacturingServiceSegmentMember",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Packaging and Electronic Manufacturing Service Segment [member]",
        "terseLabel": "Packaging and EMS segments [member]",
        "documentation": "Packaging and Electronic Manufacturing Service Segment [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_PackagingSegmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PackagingSegmentMember",
     "presentation": [
      "http://www.aseglobal.com/role/GoodwillSummaryOfCarryingAmountsOfGoodwillAllocatedToCashGeneratingUnitsDetail",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Packaging segment [member]",
        "terseLabel": "Packaging segment [member]",
        "documentation": "Packaging segment."
       }
      }
     },
     "auth_ref": []
    },
    "asx_PackagingServiceMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PackagingServiceMember",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfRevenueFromMajorProductsAndServicesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Packaging service [member]",
        "terseLabel": "Packaging service [member]",
        "documentation": "Packaging service [member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ParValuePerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ParValuePerShare",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Par value per share",
        "definitionGuidance": "Par value per share"
       }
      },
      "en": {
       "role": {
        "documentation": "The nominal value per share."
       }
      }
     },
     "auth_ref": [
      "r358",
      "r522",
      "r577"
     ]
    },
    "ifrs-full_PastDueStatusAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PastDueStatusAxis",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceForCurrentFinancialAssetsAtFvtociDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Past due status [axis]",
        "terseLabel": "Past due status [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r649"
     ]
    },
    "ifrs-full_PastDueStatusDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PastDueStatusDomain",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceForCurrentFinancialAssetsAtFvtociDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Past due status [domain]",
        "terseLabel": "Past due status [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all past-due statuses. It also represents the standard value for the 'Past due status' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r649"
     ]
    },
    "ifrs-full_PastServiceCostNetDefinedBenefitLiabilityAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PastServiceCostNetDefinedBenefitLiabilityAsset",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail": {
       "parentTag": "asx_PostemploymentBenefitExpenseDefinedBenefitPlansExcludingExecutiveManagers",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Past service cost, net defined benefit liability (asset)",
        "verboseLabel": "Past service cost and loss on settlements"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in the net defined benefit liability (asset) resulting from past service cost. Past service cost is the change in the present value of the defined benefit obligation for employee service in prior periods, resulting from a plan amendment (the introduction or withdrawal of, or changes to, a defined benefit plan) or a curtailment (a significant reduction by the entity in the number of employees covered by a plan). [Refer: Net defined benefit liability (asset); Defined benefit plans [domain]]"
       }
      }
     },
     "auth_ref": [
      "r37",
      "r412"
     ]
    },
    "ecd_PayVsPerformanceDisclosureLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PayVsPerformanceDisclosureLineItems",
     "lang": {
      "en-us": {
       "role": {
        "label": "Pay vs Performance Disclosure [Line Items]",
        "terseLabel": "Pay vs Performance Disclosure"
       }
      }
     },
     "auth_ref": [
      "r749"
     ]
    },
    "asx_PayableToContractorAndEquipmentSuppliers": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PayableToContractorAndEquipmentSuppliers",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/OtherPayablesSummaryOfOtherPayablesDetail": {
       "parentTag": "ifrs-full_OtherCurrentPayables",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/OtherPayablesSummaryOfOtherPayablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payable To Contractor And Equipment Suppliers",
        "terseLabel": "Payables to contractors and equipment suppliers",
        "documentation": "Payable to contractor and equipment suppliers."
       }
      }
     },
     "auth_ref": []
    },
    "asx_PaymentForRightOfUseAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PaymentForRightOfUseAssets",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0,
       "order": 25.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payment for right of use assets",
        "negatedLabel": "Payments for right-of-use assets",
        "documentation": "Payment for right of use assets."
       }
      }
     },
     "auth_ref": []
    },
    "asx_PaymentsForFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PaymentsForFairValueThroughOtherComprehensiveIncome",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfNonCashActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payments For Fair Value Through Other Comprehensive Income",
        "terseLabel": "Increase in FVTOCI",
        "documentation": "Payments for fair value through other comprehensive income."
       }
      }
     },
     "auth_ref": []
    },
    "asx_PaymentsForFvtociAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PaymentsForFvtociAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfNonCashActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payments for FVTOCI [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_PaymentsForOtherFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PaymentsForOtherFinancialAssets",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0,
       "order": 27.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payments for other financial assets",
        "negatedLabel": "Increase in other financial assets",
        "documentation": "Payments for other financial assets."
       }
      }
     },
     "auth_ref": []
    },
    "asx_PaymentsForOtherNonCurrentAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PaymentsForOtherNonCurrentAssets",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0,
       "order": 29.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payments for other non current assets",
        "negatedLabel": "Increase in other non-current assets",
        "documentation": "Payments for other non current assets."
       }
      }
     },
     "auth_ref": []
    },
    "asx_PaymentsForPropertyPlantAndEquipmentAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PaymentsForPropertyPlantAndEquipmentAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfNonCashActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payments for property, plant and equipment [abstract]",
        "terseLabel": "Payments for property, plant and equipment",
        "documentation": "Payments for property, plant and equipment [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_PaymentsFromPlanNetDefinedBenefitassetLiability": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PaymentsFromPlanNetDefinedBenefitassetLiability",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payments from plan net defined benefit asset liability",
        "negatedLabel": "Benefits paid from the pension fund",
        "documentation": "Payments from plan, net defined benefit (asset) liability."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PaymentsInRespectOfSettlementsNetDefinedBenefitLiabilityAsset",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Decrease (increase) in net defined benefit liability (asset) resulting from payments in respect of settlements",
        "negatedLabel": "Liabilities extinguished on settlements"
       }
      },
      "en": {
       "role": {
        "documentation": "The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan in respect of settlements. [Refer: Decrease (increase) in net defined benefit liability (asset) resulting from gains (losses) arising from settlements; Net defined benefit liability (asset); Defined benefit plans [domain]]"
       }
      }
     },
     "auth_ref": [
      "r40"
     ]
    },
    "ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": -1.0,
       "order": 12.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Payments of lease liabilities, classified as financing activities",
        "negatedLabel": "Repayment of the principle portion of lease liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for payment of lease liabilities, classified as financing activities. [Refer: Lease liabilities]"
       }
      }
     },
     "auth_ref": [
      "r625"
     ]
    },
    "ecd_PeerGroupIssuersFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PeerGroupIssuersFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Peer Group Issuers, Footnote [Text Block]",
        "terseLabel": "Peer Group Issuers, Footnote"
       }
      }
     },
     "auth_ref": [
      "r759"
     ]
    },
    "ecd_PeerGroupTotalShareholderRtnAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PeerGroupTotalShareholderRtnAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Peer Group Total Shareholder Return Amount",
        "terseLabel": "Peer Group Total Shareholder Return Amount"
       }
      }
     },
     "auth_ref": [
      "r759"
     ]
    },
    "asx_PensionPlansForExecutiveManagersMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PensionPlansForExecutiveManagersMember",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pension plans for executive managers [member]",
        "terseLabel": "Pension plans for executive managers [member]",
        "documentation": "Pension plans for executive managers."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_PeoActuallyPaidCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PeoActuallyPaidCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "PEO Actually Paid Compensation Amount",
        "terseLabel": "PEO Actually Paid Compensation Amount"
       }
      }
     },
     "auth_ref": [
      "r751"
     ]
    },
    "ecd_PeoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PeoMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "PEO [Member]",
        "terseLabel": "PEO"
       }
      }
     },
     "auth_ref": [
      "r768"
     ]
    },
    "ecd_PeoName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PeoName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "PEO Name",
        "terseLabel": "PEO Name"
       }
      }
     },
     "auth_ref": [
      "r761"
     ]
    },
    "ecd_PeoTotalCompAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PeoTotalCompAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "PEO Total Compensation Amount",
        "terseLabel": "PEO Total Compensation Amount"
       }
      }
     },
     "auth_ref": [
      "r750"
     ]
    },
    "asx_PercentageChangeInEquityPrice": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PercentageChangeInEquityPrice",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Percentage Change In Equity Price",
        "terseLabel": "Percentage change in equity price",
        "documentation": "Percentage change in equity price."
       }
      }
     },
     "auth_ref": []
    },
    "asx_PercentageOfCurrentConversionPriceOnStockExchange": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PercentageOfCurrentConversionPriceOnStockExchange",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Percentage of current conversion price on Stock Exchange",
        "documentation": "Percentage of current conversion price on Stock Exchange"
       }
      }
     },
     "auth_ref": []
    },
    "asx_PercentageOfEmployeesCompensation": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PercentageOfEmployeesCompensation",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeesCompensationAndRemunerationToDirectorsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Percentage Of Employees Compensation",
        "terseLabel": "Percentage of employees' compensation",
        "documentation": "Percentage of employees compensation."
       }
      }
     },
     "auth_ref": []
    },
    "asx_PercentageOfEmployeesMonthlyWagesAndSalariesAsContributionsToDefinedBenefitPlan": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PercentageOfEmployeesMonthlyWagesAndSalariesAsContributionsToDefinedBenefitPlan",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Percentage of employees monthly wages and salaries as contributions to defined benefit plan",
        "terseLabel": "Percentage of monthly pension contributions",
        "documentation": "Percentage of employees monthly wages and salaries as contributions to defined benefit plan"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_PercentageOfEntitysRevenue": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PercentageOfEntitysRevenue",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Percentage of entity's revenue",
        "terseLabel": "Percentage of entity's revenue"
       }
      }
     },
     "auth_ref": [
      "r845"
     ]
    },
    "asx_PercentageOfLegalReserveOnShareCapital": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PercentageOfLegalReserveOnShareCapital",
     "presentation": [
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Percentage of legal reserve on share capital",
        "terseLabel": "Percentage of legal reserve on share capital",
        "documentation": "Percentage of legal reserve on share capital."
       }
      }
     },
     "auth_ref": []
    },
    "asx_PercentageOfParValueOnUsishBonds": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PercentageOfParValueOnUsishBonds",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Percentage of par value on USISH Bonds",
        "documentation": "Percentage of par value on USISH bonds."
       }
      }
     },
     "auth_ref": []
    },
    "asx_PercentageOfRemunerationToDirectors": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PercentageOfRemunerationToDirectors",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeesCompensationAndRemunerationToDirectorsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Percentage Of Remuneration To Directors",
        "terseLabel": "Percentage of remuneration to directors",
        "documentation": "Percentage of remuneration to directors."
       }
      }
     },
     "auth_ref": []
    },
    "asx_PercentageOfTotalSharesHeldInSubsidiaries": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PercentageOfTotalSharesHeldInSubsidiaries",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Percentage of total shares held in Subsidiaries",
        "verboseLabel": "Percentage of total shares held in Subsidiaries",
        "documentation": "Percentage of total shares held in Subsidiaries."
       }
      }
     },
     "auth_ref": []
    },
    "asx_PercentageOfTradeReceivables": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PercentageOfTradeReceivables",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Percentage of trade receivables",
        "terseLabel": "Percentage of trade receivables",
        "documentation": "Percentage of trade receivables."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_PercentageOfVotingEquityInterestsAcquired": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PercentageOfVotingEquityInterestsAcquired",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfSubsidiaryAcquiredDetail",
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SignificantEventsAfterReportingPeriodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Percentage of voting equity interests acquired",
        "positiveLabel": "Proportion of Voting Equity Interests Acquired",
        "verboseLabel": "Percentage of voting equity interests acquired"
       }
      },
      "en": {
       "role": {
        "documentation": "The percentage of voting equity interests acquired in a business combination. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r249",
      "r474"
     ]
    },
    "asx_PeriodOfLockInOfRestrictedSharesToBeIssuedUponSatisfactionOfPerformanceConditions": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PeriodOfLockInOfRestrictedSharesToBeIssuedUponSatisfactionOfPerformanceConditions",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Period Of Lock In Of Restricted Shares To Be Issued Upon Satisfaction Of Performance Conditions",
        "terseLabel": "Period of lock in of ordinary shares to be issued upon satisfaction of performance conditions",
        "documentation": "Period of lock in of ordinary shares to be issued upon satisfaction of performance conditions."
       }
      }
     },
     "auth_ref": []
    },
    "asx_PhaseOneMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PhaseOneMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Phase One [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_PhaseThreeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PhaseThreeMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Phase Three [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_PhaseTwoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PhaseTwoMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Phase Two [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_PhasesTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PhasesTypeAxis",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Phases Type [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_PhasesTypeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PhasesTypeMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Phases Type [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_PlanAssetsAtFairValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PlanAssetsAtFairValue",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfFairValueOfThePlanAssetsByMajorCategoriesDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfDefinedBenefitPlansAmountsIncludedInConsolidatedBalanceSheetsDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfFairValueOfThePlanAssetsByMajorCategoriesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Plan assets, at fair value",
        "negatedLabel": "Fair value of the plan assets",
        "totalLabel": "Total"
       }
      },
      "en": {
       "role": {
        "documentation": "The fair value of defined benefit plan assets. Plan assets comprise assets held by a long-term employee benefit fund and qualifying insurance policies. [Refer: At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r823"
     ]
    },
    "ifrs-full_PlanAssetsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PlanAssetsMember",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Plan assets [member]",
        "terseLabel": "Fair value of plan assets [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for defined benefit plan assets. Plan assets comprise: (a) assets held by a long-term employee benefit fund; and (b) qualifying insurance policies."
       }
      }
     },
     "auth_ref": [
      "r28",
      "r406"
     ]
    },
    "asx_PlanName1Axis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PlanName1Axis",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfFairValueUsingTrinomialTreeModelAndInputsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutEmployeeRestrictedStockAwardsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfOutstandingRestrictedSharesAtBalanceSheetDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfUsishSOutstandingShareOptionsBalanceSheetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Plan Name1 [Axis]",
        "terseLabel": "Plan Name [Axis]",
        "documentation": "Plan Name"
       }
      }
     },
     "auth_ref": []
    },
    "asx_PlanName1Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PlanName1Member",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfFairValueUsingTrinomialTreeModelAndInputsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutEmployeeRestrictedStockAwardsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfOutstandingRestrictedSharesAtBalanceSheetDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfUsishSOutstandingShareOptionsBalanceSheetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Plan Name1 [Member]",
        "terseLabel": "Plan Name [Member]",
        "documentation": "Plan Name."
       }
      }
     },
     "auth_ref": []
    },
    "asx_PledgedTimeDepositsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PledgedTimeDepositsMember",
     "presentation": [
      "http://www.aseglobal.com/role/OtherFinancialAssetsSummaryOfOtherFinancialAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pledged Time Deposits [member]",
        "terseLabel": "Pledged time deposits [member]",
        "documentation": "Pledged time deposits."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_PnsnAdjsPrrSvcCstMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PnsnAdjsPrrSvcCstMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pension Adjustments Prior Service Cost [Member]",
        "terseLabel": "Pension Adjustments Prior Service Cost"
       }
      }
     },
     "auth_ref": [
      "r752"
     ]
    },
    "ecd_PnsnAdjsSvcCstMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PnsnAdjsSvcCstMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pension Adjustments Service Cost [Member]",
        "terseLabel": "Pension Adjustments Service Cost"
       }
      }
     },
     "auth_ref": [
      "r808"
     ]
    },
    "ecd_PnsnBnftsAdjFnTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PnsnBnftsAdjFnTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pension Benefits Adjustments, Footnote [Text Block]",
        "terseLabel": "Pension Benefits Adjustments, Footnote"
       }
      }
     },
     "auth_ref": [
      "r751"
     ]
    },
    "asx_PostEmploymentBenefitExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PostEmploymentBenefitExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeeBenefitsExpenseDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeeBenefitsExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Post Employment Benefit Expense",
        "totalLabel": "Post-employment benefits",
        "documentation": "The amount of post-employment benefit expense."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_PostemploymentBenefitExpenseDefinedBenefitPlans": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PostemploymentBenefitExpenseDefinedBenefitPlans",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeeBenefitsExpenseDetail": {
       "parentTag": "asx_PostEmploymentBenefitExpense",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeeBenefitsExpenseDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Post-employment benefit expense, defined benefit plans",
        "verboseLabel": "Pension costs",
        "terseLabel": "Defined benefit plans"
       }
      }
     },
     "auth_ref": [
      "r817",
      "r822"
     ]
    },
    "asx_PostemploymentBenefitExpenseDefinedBenefitPlansExcludingExecutiveManagers": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PostemploymentBenefitExpenseDefinedBenefitPlansExcludingExecutiveManagers",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Post-employment benefit expense, defined benefit plans excluding executive managers",
        "negatedTotalLabel": "Recognized in profit or loss",
        "documentation": "Post-employment benefit expense, defined benefit plans excluding executive managers."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_PostemploymentBenefitExpenseDefinedContributionPlans": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PostemploymentBenefitExpenseDefinedContributionPlans",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeeBenefitsExpenseDetail": {
       "parentTag": "asx_PostEmploymentBenefitExpense",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeeBenefitsExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Post-employment benefit expense, defined contribution plans",
        "terseLabel": "Defined contribution plans"
       }
      }
     },
     "auth_ref": [
      "r47",
      "r404"
     ]
    },
    "asx_PremiumsOnBondsPayable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PremiumsOnBondsPayable",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Premiums On Bonds Payable",
        "terseLabel": "Add: premiums on bonds payable",
        "documentation": "Premiums on bonds payable."
       }
      }
     },
     "auth_ref": []
    },
    "asx_PremiumsOnBondsPayableMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PremiumsOnBondsPayableMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Premiums on Bonds Payable [Member]",
        "verboseLabel": "Premiums on bonds payable [member]",
        "documentation": "premiums on bonds payable."
       }
      }
     },
     "auth_ref": []
    },
    "asx_PrepaymentsForPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PrepaymentsForPropertyPlantAndEquipment",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Prepayments for property, plant and equipment",
        "terseLabel": "Prepayment of property, plant and equipment",
        "documentation": "Prepayments for property, plant and equipment."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_PresentValueOfDefinedBenefitObligationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PresentValueOfDefinedBenefitObligationMember",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Present value of defined benefit obligation [member]",
        "terseLabel": "Defined benefit obligation [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the present value of a defined benefit obligation. The present value of a defined benefit obligation is the present value, without deducting any plan assets, of expected future payments required to settle the obligation resulting from employee service in the current and prior periods."
       }
      }
     },
     "auth_ref": [
      "r29",
      "r407"
     ]
    },
    "ifrs-full_PrincipalPlaceOfBusinessOfAssociate": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PrincipalPlaceOfBusinessOfAssociate",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Principal place of business of associate",
        "terseLabel": "Operating Location"
       }
      },
      "en": {
       "role": {
        "documentation": "The principal place of business of an associate. [Refer: Principal place of business; Total for all associates [member]]"
       }
      }
     },
     "auth_ref": [
      "r76",
      "r79",
      "r166"
     ]
    },
    "ifrs-full_PrincipalPlaceOfBusinessOfJointVenture": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PrincipalPlaceOfBusinessOfJointVenture",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInJointVenturesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Principal place of business of joint venture",
        "verboseLabel": "Operating Location"
       }
      },
      "en": {
       "role": {
        "documentation": "The principal place of business of a joint venture. [Refer: Principal place of business; Total for all joint ventures [member]]"
       }
      }
     },
     "auth_ref": [
      "r76",
      "r79",
      "r166"
     ]
    },
    "ifrs-full_PrincipalPlaceOfBusinessOfSubsidiary": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PrincipalPlaceOfBusinessOfSubsidiary",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Principal place of business of subsidiary",
        "terseLabel": "Establishment and Operating Location"
       }
      },
      "en": {
       "role": {
        "documentation": "The principal place of business of a subsidiary. [Refer: Principal place of business; Total for all subsidiaries [member]]"
       }
      }
     },
     "auth_ref": [
      "r76",
      "r79",
      "r159",
      "r163"
     ]
    },
    "asx_PrivatePlacementsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PrivatePlacementsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Private placements [member]",
        "terseLabel": "Private-placement funds [member]",
        "documentation": "Private placements."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ProceedsForOtherFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ProceedsForOtherFinancialAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 28.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds for other financial assets",
        "terseLabel": "Decrease in other financial assets",
        "documentation": "Proceeds for other financial assets."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ProceedsFromExerciseOfOptions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProceedsFromExerciseOfOptions",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": 1.0,
       "order": 9.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds from exercise of options",
        "terseLabel": "Proceeds from exercise of employee share options"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from the exercise of options."
       }
      }
     },
     "auth_ref": [
      "r832"
     ]
    },
    "asx_ProceedsFromInvestmentDisposalOfInvstmentUsingEquityMethodOne": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ProceedsFromInvestmentDisposalOfInvstmentUsingEquityMethodOne",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 33.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds From Investment Disposal Of Invstment Using Equity Method One",
        "terseLabel": "Proceeds from disposal of investments accounted for using the equity method",
        "documentation": "Proceeds From Investment Disposal Of Investment Using Equity Method One"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ProceedsFromIssueOfBondsNotesAndDebentures": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProceedsFromIssueOfBondsNotesAndDebentures",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds from issue of bonds, notes and debentures",
        "verboseLabel": "Proceeds from bonds offering"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from the issuing of bonds, notes and debentures."
       }
      }
     },
     "auth_ref": [
      "r832"
     ]
    },
    "ifrs-full_ProceedsFromNoncurrentBorrowings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProceedsFromNoncurrentBorrowings",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds from non-current borrowings",
        "terseLabel": "Proceeds from long-term borrowings"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from non-current borrowings obtained. [Refer: Borrowings]"
       }
      }
     },
     "auth_ref": [
      "r832"
     ]
    },
    "asx_ProceedsFromOtherNoncurrentAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ProceedsFromOtherNoncurrentAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 30.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds from other noncurrent assets",
        "terseLabel": "Decrease in other non-current assets",
        "documentation": "Proceeds from other noncurrent assets."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ProceedsFromRepaymentOfShortTermBillsPayable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ProceedsFromRepaymentOfShortTermBillsPayable",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds From Repayment Of Short Term Bills Payable",
        "verboseLabel": "Repayment of short-term borrowings",
        "documentation": "Proceeds from repayment of short term bills payable."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ProceedsFromRepaymentsOfCurrentBorrowings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ProceedsFromRepaymentsOfCurrentBorrowings",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds From Repayments Of Current Borrowings",
        "verboseLabel": "Proceeds from short-term borrowings",
        "documentation": "Net proceeds from (repayment of) short-term\tborrowings."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ProceedsFromSaleOfFinancialAssetsDesignatedAsFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ProceedsFromSaleOfFinancialAssetsDesignatedAsFairValueThroughOtherComprehensiveIncome",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 18.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds from sale of financial assets designated as fair value through other comprehensive income",
        "terseLabel": "Return of capital from financial assets at fair value through other comprehensive income",
        "documentation": "Proceeds from sale of financial assets designated as fair value through other comprehensive income."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ProceedsFromSalesOfIntangibleAssetsClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProceedsFromSalesOfIntangibleAssetsClassifiedAsInvestingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 23.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds from sales of intangible assets, classified as investing activities",
        "terseLabel": "Proceeds from disposal of intangible assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from sales of intangible assets, classified as investing activities. [Refer: Intangible assets other than goodwill]"
       }
      }
     },
     "auth_ref": [
      "r624"
     ]
    },
    "ifrs-full_ProceedsFromSalesOfInvestmentProperty": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProceedsFromSalesOfInvestmentProperty",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 26.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds from sales of investment property",
        "verboseLabel": "Proceeds from disposal of investment properties"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from sales of investment property. [Refer: Investment property]"
       }
      }
     },
     "auth_ref": [
      "r831"
     ]
    },
    "ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 21.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfNonCashActivitiesDetail",
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds from sales of property, plant and equipment, classified as investing activities",
        "terseLabel": "Proceeds from disposal of property, plant and equipment",
        "verboseLabel": "Proceeds from disposal of property, plant and equipment"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from sales of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r624"
     ]
    },
    "asx_ProceedsFromShortTermBillsPayable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ProceedsFromShortTermBillsPayable",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": 1.0,
       "order": 14.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds From Short Term Bills Payable",
        "terseLabel": "Proceeds from short-term bills payable",
        "documentation": "Proceeds from short term bills payable."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ProceedsOnSaleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ProceedsOnSaleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncome",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 17.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proceeds On Sale Of Financial Assets At Fair Value Through Other Comprehensive Income",
        "terseLabel": "Proceeds from sale of financial assets at fair value through other comprehensive income",
        "documentation": "Proceeds on sale of financial assets at fair value through other comprehensive income."
       }
      }
     },
     "auth_ref": []
    },
    "srt_ProductOrServiceAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "ProductOrServiceAxis",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Product and Service [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ProductionSupplies": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProductionSupplies",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/InventoriesSummaryOfInventoriesDetail": {
       "parentTag": "ifrs-full_Inventories",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesSummaryOfInventoriesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current production supplies",
        "terseLabel": "Supplies"
       }
      },
      "en": {
       "role": {
        "documentation": "A classification of current inventory representing the amount of supplies to be used for the production process. [Refer: Inventories]"
       }
      }
     },
     "auth_ref": [
      "r686",
      "r694",
      "r825"
     ]
    },
    "ifrs-full_ProductsAndServicesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProductsAndServicesAxis",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfRevenueFromMajorProductsAndServicesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Products and services [axis]",
        "terseLabel": "Products and services [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r321",
      "r637",
      "r669"
     ]
    },
    "ifrs-full_ProductsAndServicesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProductsAndServicesDomain",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfRevenueFromMajorProductsAndServicesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Products and services [domain]",
        "terseLabel": "Products and services [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the entity's products and services. It also represents the standard value for the 'Products and services' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r321",
      "r637",
      "r669"
     ]
    },
    "srt_ProductsAndServicesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "ProductsAndServicesDomain",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Product and Service [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ProfitLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfAssociatesThatAreNotIndividuallyMaterialDetail": {
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0,
       "order": 17.0
      },
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncomeAlternate1": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity",
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfAssociatesThatAreNotIndividuallyMaterialDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Profit (loss)",
        "totalLabel": "PROFIT FOR THE YEAR",
        "positiveLabel": "Net profit for the year",
        "definitionGuidance": "Net income"
       }
      },
      "en": {
       "role": {
        "documentation": "The total of income less expenses from continuing and discontinued operations, excluding the components of other comprehensive income. [Refer: Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r155",
      "r157",
      "r312",
      "r316",
      "r428",
      "r461",
      "r543",
      "r584",
      "r634",
      "r641"
     ]
    },
    "ifrs-full_ProfitLossAttributableToAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLossAttributableToAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Profit (loss), attributable to [abstract]",
        "terseLabel": "NET PROFIT ATTRIBUTABLE TO:"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ProfitLossAttributableToNoncontrollingInterests": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLossAttributableToNoncontrollingInterests",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncomeAlternate1": {
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Profit (loss), attributable to non-controlling interests",
        "terseLabel": "Non-controlling interests",
        "verboseLabel": "Share of profit for the year"
       }
      },
      "en": {
       "role": {
        "documentation": "The profit (loss) from continuing and discontinued operations attributable to non-controlling interests. [Refer: Profit (loss); Non-controlling interests]"
       }
      }
     },
     "auth_ref": [
      "r160",
      "r587"
     ]
    },
    "ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EarningsPerShareSummaryOfEarningsAndWeightedAverageNumberOfOrdinarySharesOutstandingInComputationOfEarningsPerShareDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EarningsPerShareSummaryOfEarningsAndWeightedAverageNumberOfOrdinarySharesOutstandingInComputationOfEarningsPerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Profit (loss), attributable to ordinary equity holders of parent entity including dilutive effects",
        "totalLabel": "Earnings used in the computation of diluted earnings per share"
       }
      },
      "en": {
       "role": {
        "documentation": "The profit (loss) attributable to ordinary equity holders of the parent entity, adjusted for the effects of all dilutive potential ordinary shares. [Refer: Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r85"
     ]
    },
    "ifrs-full_ProfitLossAttributableToOwnersOfParent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLossAttributableToOwnersOfParent",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EarningsPerShareSummaryOfEarningsAndWeightedAverageNumberOfOrdinarySharesOutstandingInComputationOfEarningsPerShareDetail": {
       "parentTag": "ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncomeAlternate1": {
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
      "http://www.aseglobal.com/role/EarningsPerShareSummaryOfEarningsAndWeightedAverageNumberOfOrdinarySharesOutstandingInComputationOfEarningsPerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Profit (loss), attributable to owners of parent",
        "terseLabel": "Owners of the Company",
        "verboseLabel": "Profit for the year attributable to owners of the Company"
       }
      },
      "en": {
       "role": {
        "documentation": "The profit (loss) from continuing and discontinued operations attributable to owners of the parent. [Refer: Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r588"
     ]
    },
    "ifrs-full_ProfitLossBeforeTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLossBeforeTax",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": 1.0,
       "order": 18.0
      },
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": 1.0,
       "order": 61.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Profit (loss) before tax",
        "totalLabel": "PROFIT BEFORE INCOME TAX",
        "terseLabel": "Profit before income tax",
        "verboseLabel": "Segment profit before income tax"
       }
      }
     },
     "auth_ref": [
      "r264",
      "r665",
      "r666",
      "r688",
      "r689"
     ]
    },
    "ifrs-full_ProfitLossFromOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLossFromOperatingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_ProfitLossBeforeTax",
       "weight": 1.0,
       "order": 24.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Profit (loss) from operating activities",
        "totalLabel": "PROFIT FROM OPERATIONS"
       }
      }
     },
     "auth_ref": [
      "r616",
      "r857"
     ]
    },
    "ifrs-full_ProfitLossOfAcquiree": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLossOfAcquiree",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfImpactOfAcquisitionsByComprehensiveIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Profit (loss) of acquiree since acquisition date",
        "terseLabel": "Net Profit (loss)"
       }
      },
      "en": {
       "role": {
        "documentation": "The profit (loss) of the acquiree, since the acquisition date, included in the consolidated statement of comprehensive income. [Refer: Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r253"
     ]
    },
    "ifrs-full_ProfitLossOfCombinedEntity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLossOfCombinedEntity",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Profit (loss) of combined entity as if combination occurred at beginning of period",
        "terseLabel": "Profit from continuing operations"
       }
      },
      "en": {
       "role": {
        "documentation": "The profit (loss) of the combined entity as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period. [Refer: Total for all business combinations [member]; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r254"
     ]
    },
    "ifrs-full_PropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PropertyPlantAndEquipment",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0,
       "order": 16.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property, plant and equipment",
        "verboseLabel": "Property, plant and equipment (Notes 15, 25, 36 and 37)",
        "periodStartLabel": "Beginning balance",
        "periodEndLabel": "Ending balance"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. Note that right-of-use assets are not included. [Contrast: Property, plant and equipment including right-of-use assets]"
       }
      }
     },
     "auth_ref": [
      "r20",
      "r400",
      "r556"
     ]
    },
    "ifrs-full_PropertyPlantAndEquipmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PropertyPlantAndEquipmentMember",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfAnnualInterestRatesOfCapitalizedBorrowingCostsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property, plant and equipment [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for property, plant and equipment. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r21",
      "r401",
      "r617",
      "r640",
      "r672",
      "r682"
     ]
    },
    "ifrs-full_PropertyPlantAndEquipmentPledgedAsSecurity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PropertyPlantAndEquipmentPledgedAsSecurity",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/AssetsPledgedAsCollateralOrForSecuritySummaryOfAssetsPledgedAsCollateralOrForSecurityDetail": {
       "parentTag": "ifrs-full_AssetsHeldAsCollateralPermittedToBeSoldOrRepledgedAtFairValue",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/AssetsPledgedAsCollateralOrForSecuritySummaryOfAssetsPledgedAsCollateralOrForSecurityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property, plant and equipment, pledged as security",
        "verboseLabel": "Property, plant and equipment"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of property, plant and equipment pledged as security for liabilities. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r22",
      "r402"
     ]
    },
    "ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property, plant and equipment recognised as of acquisition date",
        "terseLabel": "Property, plant and equipment"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for plant, property and equipment acquired in a business combination. [Refer: Property, plant and equipment; Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r647",
      "r648",
      "r684"
     ]
    },
    "asx_PropertyPlantAndEquipmentsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PropertyPlantAndEquipmentsAxis",
     "presentation": [
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLivesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property Plant And Equipments [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_PropertyPlantAndEquipmentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PropertyPlantAndEquipmentsMember",
     "presentation": [
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLivesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Property Plant And Equipments [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ProportionOfOwnershipInterestInAssociate": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProportionOfOwnershipInterestInAssociate",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proportion of ownership interest in associate",
        "verboseLabel": "Percentages of ownership held by the Group",
        "terseLabel": "Proportion of ownership interest in associate",
        "definitionGuidance": "Proportion of ownership interest in associate"
       }
      },
      "en": {
       "role": {
        "documentation": "The proportion of ownership interest in an associate attributable to the entity. [Refer: Total for all associates [member]]"
       }
      }
     },
     "auth_ref": [
      "r77",
      "r80",
      "r167"
     ]
    },
    "ifrs-full_ProportionOfOwnershipInterestInJointVenture": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProportionOfOwnershipInterestInJointVenture",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInJointVenturesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proportion of ownership interest in joint venture",
        "verboseLabel": "Percentages of ownership"
       }
      },
      "en": {
       "role": {
        "documentation": "The proportion of ownership interest in a joint venture attributable to the entity. [Refer: Total for all joint ventures [member]]"
       }
      }
     },
     "auth_ref": [
      "r77",
      "r80",
      "r167"
     ]
    },
    "ifrs-full_ProportionOfOwnershipInterestInSubsidiary": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProportionOfOwnershipInterestInSubsidiary",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/RelatedPartyTransactionsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Proportion of ownership interest in subsidiary",
        "terseLabel": "Percentage of Ownership (%)",
        "verboseLabel": "Percentage of ownership interest in subsidiary"
       }
      },
      "en": {
       "role": {
        "documentation": "The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Total for all subsidiaries [member]]"
       }
      }
     },
     "auth_ref": [
      "r77",
      "r80",
      "r164"
     ]
    },
    "ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProvisionForDecommissioningRestorationAndRehabilitationCosts",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Provision for decommissioning, restoration and rehabilitation costs",
        "terseLabel": "Contribution to be made for environmental protection"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of provision for costs related to decommissioning, restoration and rehabilitation. [Refer: Other provisions]"
       }
      }
     },
     "auth_ref": [
      "r618",
      "r619"
     ]
    },
    "asx_PublicTenderOfferMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PublicTenderOfferMember",
     "presentation": [
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Public Tender Offer [Member]",
        "documentation": "Public Tender Offer Member"
       }
      }
     },
     "auth_ref": []
    },
    "asx_PurchaseOfFinancialAssetsAtFairValueOfOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PurchaseOfFinancialAssetsAtFairValueOfOtherComprehensiveIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0,
       "order": 16.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Purchase of financial assets at fair value of other comprehensive income",
        "negatedLabel": "Purchase of financial assets at fair value through other comprehensive income",
        "documentation": "Purchase of financial assets at fair value of other comprehensive income."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0,
       "order": 22.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Purchase of intangible assets, classified as investing activities",
        "negatedLabel": "Payments for intangible assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for the purchases of intangible assets, classified as investing activities. [Refer: Intangible assets other than goodwill]"
       }
      }
     },
     "auth_ref": [
      "r623"
     ]
    },
    "ifrs-full_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0,
       "order": 19.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Purchase of interests in investments accounted for using equity method",
        "negatedLabel": "Acquisition of associates accounted for using the equity method"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for the purchase of interests in investments accounted for using the equity method. [Refer: Investments accounted for using equity method]"
       }
      }
     },
     "auth_ref": [
      "r831"
     ]
    },
    "ifrs-full_PurchaseOfInvestmentProperty": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PurchaseOfInvestmentProperty",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0,
       "order": 24.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Purchase of investment property",
        "negatedLabel": "Payments for investment properties"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for the purchase of investment property. [Refer: Investment property]"
       }
      }
     },
     "auth_ref": [
      "r831"
     ]
    },
    "asx_PurchaseOfMachineryAndEquipmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "PurchaseOfMachineryAndEquipmentMember",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedInvestmentCreditsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Purchase Of Machinery And Equipment [member]",
        "terseLabel": "Purchase of machinery and equipment [member]",
        "documentation": "Purchase of machinery and equipment."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0,
       "order": 31.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfNonCashActivitiesDetail",
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Purchase of property, plant and equipment, classified as investing activities",
        "negatedLabel": "Payments for property, plant and equipment",
        "terseLabel": "Payments for property, plant and equipment"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for the purchases of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r623"
     ]
    },
    "ifrs-full_PurchasesFairValueMeasurementAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PurchasesFairValueMeasurementAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Purchases, fair value measurement, assets",
        "terseLabel": "Purchases"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase in the fair value measurement of assets resulting from purchases of those assets. [Refer: At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r195"
     ]
    },
    "ecd_PvpTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PvpTable",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pay vs Performance Disclosure [Table]",
        "terseLabel": "Pay vs Performance Disclosure"
       }
      }
     },
     "auth_ref": [
      "r749"
     ]
    },
    "ecd_PvpTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "PvpTableTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pay vs Performance [Table Text Block]",
        "terseLabel": "Pay vs Performance Disclosure, Table"
       }
      }
     },
     "auth_ref": [
      "r749"
     ]
    },
    "asx_QuestyleMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "QuestyleMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "QUESTYLE [Member]",
        "terseLabel": "QUESTYLE [member]",
        "documentation": "QUESTYLE."
       }
      }
     },
     "auth_ref": []
    },
    "asx_QuotedOrdinarySharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "QuotedOrdinarySharesMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Quoted ordinary shares [member]",
        "verboseLabel": "Quoted shares [member]",
        "documentation": "Quoted ordinary shares."
       }
      }
     },
     "auth_ref": []
    },
    "asx_QuotedSharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "QuotedSharesMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Quoted Shares [Member]",
        "verboseLabel": "Quoted shares [member]",
        "documentation": "Quoted shares."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_RangeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RangeAxis",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BorrowingsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsParentheticalDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail",
      "http://www.aseglobal.com/role/GoodwillAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesInvestmentPropertiesDepreciatedOnAStraightLineBasisOverUsefulLivesDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfTheGroupsLeaseLiabilitiesAreMainlyFromLandAndBuildingsAndImprovementsRangeOfDiscountRateForLeaseLiabilitiesDetail",
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfOtherIntangibleAssetsUsefulLivesDetail",
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfAnnualInterestRatesOfCapitalizedBorrowingCostsDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLivesDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansAdditionalInformationDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfKeyAssumptionsUsedForTheActuarialValuationsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfAseIncOptionPlansOutstandingShareOptionsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfFairValueUsingTrinomialTreeModelAndInputsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesParentheticalDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceForCurrentFinancialAssetsAtFvtociDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Range [axis]",
        "terseLabel": "Range [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r146",
      "r199",
      "r223",
      "r242",
      "r375",
      "r635",
      "r636",
      "r844"
     ]
    },
    "srt_RangeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "RangeAxis",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfSupplierFinancingArrangementsTradePayablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statistical Measurement [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_RangeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RangeDomain",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BorrowingsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsParentheticalDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail",
      "http://www.aseglobal.com/role/GoodwillAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesInvestmentPropertiesDepreciatedOnAStraightLineBasisOverUsefulLivesDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfTheGroupsLeaseLiabilitiesAreMainlyFromLandAndBuildingsAndImprovementsRangeOfDiscountRateForLeaseLiabilitiesDetail",
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfOtherIntangibleAssetsUsefulLivesDetail",
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfAnnualInterestRatesOfCapitalizedBorrowingCostsDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLivesDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansAdditionalInformationDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfKeyAssumptionsUsedForTheActuarialValuationsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfAseIncOptionPlansOutstandingShareOptionsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfFairValueUsingTrinomialTreeModelAndInputsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesParentheticalDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceForCurrentFinancialAssetsAtFvtociDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Range [domain]",
        "terseLabel": "Range [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for aggregate ranges. It also represents the standard value for the 'Range' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r146",
      "r199",
      "r223",
      "r242",
      "r375",
      "r635",
      "r636",
      "r844"
     ]
    },
    "srt_RangeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "RangeMember",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfSupplierFinancingArrangementsTradePayablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statistical Measurement [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RangesOfExercisePricesForOutstandingShareOptionsAxis",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfAseIncOptionPlansOutstandingShareOptionsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ranges of exercise prices for outstanding share options [axis]",
        "terseLabel": "Ranges of exercise prices for outstanding share options [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r242"
     ]
    },
    "ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RangesOfExercisePricesForOutstandingShareOptionsDomain",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfAseIncOptionPlansOutstandingShareOptionsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Ranges of exercise prices for outstanding share options [domain]",
        "terseLabel": "Ranges of exercise prices for outstanding share options [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for aggregated ranges of exercise prices for outstanding share options that are meaningful for assessing the number and timing of additional shares that may be issued and the cash that may be received upon exercise of those options. It also represents the standard value for the 'Ranges of exercise prices for outstanding share options' axis if no other member is used. [Refer: Range [domain]]"
       }
      }
     },
     "auth_ref": [
      "r242"
     ]
    },
    "ifrs-full_RawMaterials": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RawMaterials",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/InventoriesSummaryOfInventoriesDetail": {
       "parentTag": "ifrs-full_Inventories",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesSummaryOfInventoriesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current raw materials",
        "terseLabel": "Raw materials"
       }
      },
      "en": {
       "role": {
        "documentation": "A classification of current inventory representing the amount of assets to be consumed in the production process or in the rendering of services. [Refer: Inventories]"
       }
      }
     },
     "auth_ref": [
      "r686",
      "r694",
      "r825"
     ]
    },
    "asx_RealEstatesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "RealEstatesMember",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Real Estates [Member]",
        "terseLabel": "Real Estate [Member]",
        "documentation": "Real estates."
       }
      }
     },
     "auth_ref": []
    },
    "asx_RealTechHoldingsLimitedInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "RealTechHoldingsLimitedInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Real Tech Holdings Limited Investor [Member]",
        "terseLabel": "Real Tech Holdings Limited [Member]",
        "documentation": "Real Tech Holdings Limited Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_RealTechHoldingsLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "RealTechHoldingsLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Real Tech Holdings Limited [member]",
        "terseLabel": "Real Tech Holdings Limited [member]",
        "documentation": "Real Tech Holdings Limited."
       }
      }
     },
     "auth_ref": []
    },
    "asx_RealizedAndUnrealizedForeignExchangeGainLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "RealizedAndUnrealizedForeignExchangeGainLoss",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfRealizedAndUnrealizedForeignExchangeGainLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Realized and unrealized foreign exchange gain (loss)",
        "terseLabel": "Net Foreign Exchange Gain (Loss)",
        "documentation": "Realized and unrealized foreign exchange gain (loss)."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ReclassificationOfFairValueMeasurementAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ReclassificationOfFairValueMeasurementAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reclassification of Fair Value Measurement Assets",
        "verboseLabel": "Reclassification",
        "documentation": "Reclassification of fair value measurement assets."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ReclassifiedItemsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReclassifiedItemsAxis",
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusinessAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reclassified items [axis]",
        "terseLabel": "Reclassified items [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r353",
      "r533",
      "r554"
     ]
    },
    "ifrs-full_ReclassifiedItemsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReclassifiedItemsDomain",
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesRelatedToRealEstateBusinessAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reclassified items [domain]",
        "terseLabel": "Reclassified items [domain]"
       }
      }
     },
     "auth_ref": [
      "r353",
      "r533",
      "r554"
     ]
    },
    "ifrs-full_RecognisedAssetsRepresentingContinuingInvolvementInDerecognisedFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RecognisedAssetsRepresentingContinuingInvolvementInDerecognisedFinancialAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Recognised assets representing continuing involvement in derecognised financial assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of assets recognised in the statement of financial position representing the entity's continuing involvement in derecognised financial assets."
       }
      }
     },
     "auth_ref": [
      "r291"
     ]
    },
    "ifrs-full_RecognisedLiabilitiesDefinedBenefitPlan": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RecognisedLiabilitiesDefinedBenefitPlan",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Net defined benefit liability",
        "terseLabel": "Accrued pension liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of deficit in a defined benefit plan. [Refer: Defined benefit plans [domain]]"
       }
      }
     },
     "auth_ref": [
      "r854"
     ]
    },
    "ifrs-full_RecognisedLiabilitiesRepresentingContinuingInvolvementInDerecognisedFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RecognisedLiabilitiesRepresentingContinuingInvolvementInDerecognisedFinancialAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Recognised liabilities representing continuing involvement in derecognised financial assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of liabilities recognised in the statement of financial position representing the entity's continuing involvement in derecognised financial assets."
       }
      }
     },
     "auth_ref": [
      "r291"
     ]
    },
    "asx_RecognizedInTheConsolidatedFinancialStatementsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "RecognizedInTheConsolidatedFinancialStatementsMember",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeesCompensationAndRemunerationToDirectorsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Recognized in the consolidated financial statements [Member]",
        "terseLabel": "Recognized in the consolidated financial statements [member]",
        "documentation": "Recognized in the consolidated financial statements"
       }
      }
     },
     "auth_ref": []
    },
    "asx_RecordedUnderNetdefinedBenefitLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "RecordedUnderNetdefinedBenefitLiabilities",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfDefinedBenefitPlansAmountsIncludedInConsolidatedBalanceSheetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Recorded Under NetDefined Benefit Liabilities",
        "terseLabel": "Recorded under net defined benefit liabilities",
        "documentation": "Recorded under net\u00a0defined benefit liabilities."
       }
      }
     },
     "auth_ref": []
    },
    "asx_RecordedUnderOtherNonCurrentAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "RecordedUnderOtherNonCurrentAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfDefinedBenefitPlansAmountsIncludedInConsolidatedBalanceSheetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Recorded Under Other Non Current Assets",
        "terseLabel": "Recorded under other non-current assets",
        "documentation": "Recorded under other non current assets."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_RecoveryOfErrCompDisclosureLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "RecoveryOfErrCompDisclosureLineItems",
     "lang": {
      "en-us": {
       "role": {
        "label": "Recovery of Erroneously Awarded Compensation Disclosure [Line Items]",
        "terseLabel": "Recovery of Erroneously Awarded Compensation Disclosure"
       }
      }
     },
     "auth_ref": [
      "r716",
      "r727",
      "r737",
      "r770"
     ]
    },
    "ifrs-full_RecurringFairValueMeasurementMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RecurringFairValueMeasurementMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Recurring fair value measurement [member]",
        "terseLabel": "Measured at fair value on a recurring basis [member]"
       }
      }
     },
     "auth_ref": [
      "r191",
      "r515"
     ]
    },
    "asx_ReductionInTaxRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ReductionInTaxRate",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reduction in tax rate",
        "terseLabel": "Reduction tax rate",
        "documentation": "Reduction in tax rate."
       }
      }
     },
     "auth_ref": []
    },
    "asx_RelatedPartyTransactionAmountsOfContribution": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "RelatedPartyTransactionAmountsOfContribution",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Related Party Transaction, Amounts of Contribution",
        "terseLabel": "Amount contributed related party transactions",
        "documentation": "Related Party Transaction, Amounts of Contribution."
       }
      }
     },
     "auth_ref": []
    },
    "asx_RemeasurementOfDefinedObligationRecognizedInComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "RemeasurementOfDefinedObligationRecognizedInComprehensiveIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax",
       "weight": 1.0,
       "order": 16.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Remeasurement Of Defined Obligation Recognized In Comprehensive Income",
        "terseLabel": "Remeasurement of defined benefit obligation",
        "documentation": "Remeasurement Of Defined Obligation Recognized In Comprehensive Income"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_RentalIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RentalIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherOperatingIncomeAndExpensesNetDetail": {
       "parentTag": "ifrs-full_OtherOperatingIncomeExpense",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherOperatingIncomeAndExpensesNetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Rental income",
        "terseLabel": "Rental income"
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "asx_RepayableAtMaturityInAprilTwoThousandTwentySixMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "RepayableAtMaturityInAprilTwoThousandTwentySixMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableDetail",
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Repayable at Maturity in April Two Thousand Twenty Six [Member]",
        "verboseLabel": "Repayable at maturity in April 2026 [Member]",
        "documentation": "Repayable at Maturity in April 2026."
       }
      }
     },
     "auth_ref": []
    },
    "asx_RepayableAtMaturityInAugustTwoThousandTwentyFiveMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "RepayableAtMaturityInAugustTwoThousandTwentyFiveMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableDetail",
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Repayable At Maturity In August Two Thousand Twenty Five [Member]",
        "terseLabel": "Repayable at maturity in August 2025 [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_RepayableAtMaturityInAugustTwoThousandTwentySevenMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "RepayableAtMaturityInAugustTwoThousandTwentySevenMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableDetail",
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Repayable At Maturity In August Two Thousand Twenty Seven [Member]",
        "terseLabel": "Repayable at maturity in August 2027 [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_RepayableAtMaturityInMarchTwoThousandTwentySevenMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "RepayableAtMaturityInMarchTwoThousandTwentySevenMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableDetail",
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Repayable at Maturity in March Two Thousand Twenty Seven [Member]",
        "terseLabel": "Repayable at maturity in March 2027 [Member]",
        "verboseLabel": "Repayable at Maturity in March 2027 [Member]",
        "documentation": "Repayable at maturity in march two thousand twenty seven."
       }
      }
     },
     "auth_ref": []
    },
    "asx_RepayableatmaturityinapriltwothousandtwentyfiveMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "RepayableatmaturityinapriltwothousandtwentyfiveMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableDetail",
      "http://www.aseglobal.com/role/BondsPayableSummaryOfBondsPayableParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "RepayableAtMaturityInAprilTwoThousandTwentyFive [Member]",
        "terseLabel": "Repayable at maturity in April 2025 [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_RepaymentOfShorttermBillsPayable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "RepaymentOfShorttermBillsPayable",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": 1.0,
       "order": 13.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Repayment of shortterm bills payable",
        "terseLabel": "Repayment of short-term bills payable",
        "documentation": "Repayment of short-term bills payable."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_RepaymentsOfBondsNotesAndDebentures": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RepaymentsOfBondsNotesAndDebentures",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": -1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Repayments of bonds, notes and debentures",
        "negatedLabel": "Repayment of bonds payable",
        "terseLabel": "Repayments of bonds, notes and debentures"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for repayments of bonds, notes and debentures."
       }
      }
     },
     "auth_ref": [
      "r832"
     ]
    },
    "ifrs-full_RepaymentsOfNoncurrentBorrowings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RepaymentsOfNoncurrentBorrowings",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": -1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Repayments of non-current borrowings",
        "negatedLabel": "Repayment of long-term borrowings"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for repayments of non-current borrowings. [Refer: Borrowings]"
       }
      }
     },
     "auth_ref": [
      "r832"
     ]
    },
    "ifrs-full_ResearchAndDevelopmentExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ResearchAndDevelopmentExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_OperatingExpenseExcludingCostOfSales",
       "weight": 1.0,
       "order": 28.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Research and development expense",
        "terseLabel": "Research and development expenses"
       }
      }
     },
     "auth_ref": [
      "r111",
      "r446"
     ]
    },
    "ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReserveOfExchangeDifferencesOnTranslationMember",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity",
      "http://www.aseglobal.com/role/EquitySummaryOfExchangeDifferencesOnTranslatingForeignOperationsDetail",
      "http://www.aseglobal.com/role/EquityTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reserve of exchange differences on translation [member]",
        "terseLabel": "Exchange differences on translating foreign operations [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity representing accumulated exchange differences on the translation of financial statements recognised in other comprehensive income. [Refer: Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r57",
      "r418",
      "r690"
     ]
    },
    "ifrs-full_ReservesWithinEquityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReservesWithinEquityAxis",
     "presentation": [
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reserves within equity [axis]",
        "terseLabel": "Reserves within equity [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r363",
      "r527",
      "r582"
     ]
    },
    "ifrs-full_ReservesWithinEquityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReservesWithinEquityDomain",
     "presentation": [
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Reserves within equity [domain]",
        "terseLabel": "Reserves within equity [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Reserves within equity' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r363",
      "r527",
      "r582"
     ]
    },
    "asx_ResolutionToEnhanceTheShareholdingInTheInvesteeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ResolutionToEnhanceTheShareholdingInTheInvesteeMember",
     "presentation": [
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Resolution To Enhance The Shareholding In The Investee [Member]",
        "terseLabel": "Resolution To Enhance The Shareholding In The Investee [Member]",
        "documentation": "Resolution to enhance the shareholding in the investee."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ResolvedByTheBoardOfDirectorsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ResolvedByTheBoardOfDirectorsMember",
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfEmployeesCompensationAndRemunerationToDirectorsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Resolved By The Board Of Directors [Member]",
        "verboseLabel": "Resolved by the board of directors [member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_RestatedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RestatedMember",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfImpactOfAcquisitionsByComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity",
      "http://www.aseglobal.com/role/EarningsPerShareAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EarningsPerShareSummaryOfEarningsAndWeightedAverageNumberOfOrdinarySharesOutstandingInComputationOfEarningsPerShareDetail",
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Currently stated [member]",
        "terseLabel": "Currently stated [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the information currently stated in the financial statements. It also represents the standard value for the 'Retrospective application and retrospective restatement' and 'Departure from requirement of IFRS' axes if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r150",
      "r151",
      "r153",
      "r222",
      "r378",
      "r379",
      "r382",
      "r542",
      "r853"
     ]
    },
    "ecd_RestatementDateAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "RestatementDateAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Restatement Determination Date [Axis]",
        "terseLabel": "Restatement Determination Date:"
       }
      }
     },
     "auth_ref": [
      "r717",
      "r728",
      "r738",
      "r771"
     ]
    },
    "ecd_RestatementDeterminationDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "RestatementDeterminationDate",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Restatement Determination Date",
        "terseLabel": "Restatement Determination Date"
       }
      }
     },
     "auth_ref": [
      "r718",
      "r729",
      "r739",
      "r772"
     ]
    },
    "ecd_RestatementDoesNotRequireRecoveryTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "RestatementDoesNotRequireRecoveryTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Restatement Does Not Require Recovery [Text Block]",
        "terseLabel": "Restatement does not require Recovery"
       }
      }
     },
     "auth_ref": [
      "r725",
      "r736",
      "r746",
      "r779"
     ]
    },
    "ifrs-full_RetainedEarnings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RetainedEarnings",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent",
       "weight": 1.0,
       "order": 54.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Retained earnings",
        "totalLabel": "Total retained earnings"
       }
      },
      "en": {
       "role": {
        "documentation": "A component of equity representing the entity's cumulative undistributed earnings or deficit."
       }
      }
     },
     "auth_ref": [
      "r687",
      "r695",
      "r697"
     ]
    },
    "ifrs-full_RetainedEarningsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RetainedEarningsAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Retained earnings [abstract]",
        "terseLabel": "Retained earnings"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_RetainedEarningsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RetainedEarningsMember",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Retained earnings [member]",
        "terseLabel": "Retained earnings [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity representing an entity's cumulative undistributed earnings or deficit."
       }
      }
     },
     "auth_ref": [
      "r546",
      "r690"
     ]
    },
    "ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RetrospectiveApplicationAndRetrospectiveRestatementAxis",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfImpactOfAcquisitionsByComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity",
      "http://www.aseglobal.com/role/EarningsPerShareAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EarningsPerShareSummaryOfEarningsAndWeightedAverageNumberOfOrdinarySharesOutstandingInComputationOfEarningsPerShareDetail",
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Retrospective application and retrospective restatement [axis]",
        "terseLabel": "Retrospective application and retrospective restatement [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r150",
      "r151",
      "r153",
      "r378",
      "r379",
      "r382",
      "r542"
     ]
    },
    "ifrs-full_ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfMovementsInNetDefinedBenefitLiabilityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Return on plan assets excluding interest income or expense, net defined benefit liability (asset)",
        "negatedLabel": "Return on plan assets (excluding amounts included in net interest)"
       }
      },
      "en": {
       "role": {
        "documentation": "The decrease (increase) in the net defined benefit liability (asset) resulting from the return on plan assets, excluding amounts included in interest income or expense. The return on plan assets is interest, dividends and other revenue derived from the plan assets, together with realised and unrealised gains or losses on the plan assets, less any costs of managing plan assets and less any tax payable by the plan itself, other than tax included in the actuarial assumptions used to measure the present value of the defined benefit obligation. [Refer: Plan assets [member]; Net defined benefit liability (asset); Actuarial assumptions [domain]; Increase (decrease) in net defined benefit liability (asset) resulting from interest expense (income)]"
       }
      }
     },
     "auth_ref": [
      "r33",
      "r411"
     ]
    },
    "ifrs-full_Revenue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Revenue",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_GrossProfit",
       "weight": 1.0,
       "order": 30.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationAdditionalInformationDetail",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfGeographicalInformationDetail",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfRevenueFromMajorProductsAndServicesDetail",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenue",
        "presentationGuidance": "OPERATING REVENUES",
        "terseLabel": "Operating revenue",
        "definitionGuidance": "Operating revenue"
       }
      }
     },
     "auth_ref": [
      "r178",
      "r264",
      "r306",
      "r315",
      "r321",
      "r322",
      "r325",
      "r591",
      "r634",
      "r688",
      "r689"
     ]
    },
    "ifrs-full_RevenueFromDividends": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RevenueFromDividends",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherIncomeDetail": {
       "parentTag": "ifrs-full_FinanceIncome",
       "weight": 1.0,
       "order": 2.0
      },
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0,
       "order": 43.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Dividend income",
        "negatedLabel": "Dividend income",
        "terseLabel": "Dividends income"
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "ifrs-full_RevenueFromGovernmentGrants": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RevenueFromGovernmentGrants",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherIncomeDetail": {
       "parentTag": "ifrs-full_FinanceIncome",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Income from government grants",
        "terseLabel": "Government subsidies"
       }
      }
     },
     "auth_ref": [
      "r826"
     ]
    },
    "ifrs-full_RevenueFromInterest": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RevenueFromInterest",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0,
       "order": 42.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Interest income",
        "negatedLabel": "Interest income",
        "terseLabel": "Interest income"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of income arising from interest."
       }
      }
     },
     "auth_ref": [
      "r182",
      "r307",
      "r319",
      "r851"
     ]
    },
    "ifrs-full_RevenueFromRoyalties": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RevenueFromRoyalties",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherOperatingIncomeAndExpensesNetDetail": {
       "parentTag": "ifrs-full_OtherOperatingIncomeExpense",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfOtherOperatingIncomeAndExpensesNetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Royalty income"
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "ifrs-full_RevenueOfAcquiree": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RevenueOfAcquiree",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfImpactOfAcquisitionsByComprehensiveIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenue of acquiree since acquisition date",
        "terseLabel": "Operating revenue"
       }
      }
     },
     "auth_ref": [
      "r253"
     ]
    },
    "ifrs-full_RevenueOfCombinedEntity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RevenueOfCombinedEntity",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Revenue of combined entity as if combination occurred at beginning of period",
        "terseLabel": "Revenue from continuing operations"
       }
      }
     },
     "auth_ref": [
      "r254"
     ]
    },
    "asx_RightOfUseAssetsRecognizedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "RightOfUseAssetsRecognizedAsOfAcquisitionDate",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0,
       "order": 10.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Right Of Use Assets Recognized As Of Acquisition Date",
        "terseLabel": "Right-of-use assets",
        "documentation": "Right of use assets recognized as of acquisition date."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_RightofuseAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RightofuseAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_NoncurrentAssets",
       "weight": 1.0,
       "order": 23.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfRightOfUseAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Right-of-use assets",
        "disclosureGuidance": "Right-of-use assets (Note 16)",
        "presentationGuidance": "Carrying amounts"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of assets that represent a lessee's right to use an underlying asset for the lease term that do not meet the definition of investment property. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee."
       }
      }
     },
     "auth_ref": [
      "r205",
      "r214",
      "r342"
     ]
    },
    "ifrs-full_RightofuseAssetsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RightofuseAssetsMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesInvestmentPropertiesDepreciatedOnAStraightLineBasisOverUsefulLivesDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Right-of-use assets [member]",
        "verboseLabel": "Right-of-use assets [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for right-of-use assets. [Refer: Right-of-use assets]"
       }
      }
     },
     "auth_ref": [
      "r204"
     ]
    },
    "ecd_Rule10b51ArrAdoptedFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "Rule10b51ArrAdoptedFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Rule 10b5-1 Arrangement Adopted [Flag]",
        "terseLabel": "Rule 10b5-1 Arrangement Adopted"
       }
      }
     },
     "auth_ref": [
      "r788"
     ]
    },
    "ecd_Rule10b51ArrTrmntdFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "Rule10b51ArrTrmntdFlag",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Rule 10b5-1 Arrangement Terminated [Flag]",
        "terseLabel": "Rule 10b5-1 Arrangement Terminated"
       }
      }
     },
     "auth_ref": [
      "r788"
     ]
    },
    "asx_SPILBVIHoldingLimitedInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SPILBVIHoldingLimitedInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "SPIL BVI Holding Limited Investor [Member]",
        "terseLabel": "SPIL (B.V.I.) Holding Limited [Member]",
        "documentation": "SPIL BVI Holding Limited Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_SPILCaymanHoldingLimitedInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SPILCaymanHoldingLimitedInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "SPIL Cayman Holding Limited Investor [Member]",
        "terseLabel": "SPIL (Cayman) Holding Limited [Member]",
        "documentation": "SPIL Cayman Holding Limited Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_SPILCaymanHoldingLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SPILCaymanHoldingLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "SPIL (Cayman) Holding Limited [member]",
        "terseLabel": "SPIL (Cayman) Holding Limited [member]",
        "documentation": "SPIL (Cayman) Holding Limited."
       }
      }
     },
     "auth_ref": []
    },
    "asx_SPILInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SPILInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "SPIL [Member]",
        "documentation": "SPIL Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_SaleOfStocksAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SaleOfStocksAxis",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sale Of Stocks [Axis]",
        "documentation": "Sale of stocks [Axis]."
       }
      }
     },
     "auth_ref": []
    },
    "asx_SaleOfStocksDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SaleOfStocksDomain",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sale Of Stocks [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_SalesAndMarketingExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SalesAndMarketingExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_OperatingExpenseExcludingCostOfSales",
       "weight": 1.0,
       "order": 26.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sales and marketing expense",
        "terseLabel": "Selling and marketing expenses"
       }
      }
     },
     "auth_ref": [
      "r857"
     ]
    },
    "ifrs-full_SalesFairValueMeasurementAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SalesFairValueMeasurementAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sales, fair value measurement, assets",
        "negatedLabel": "Disposals"
       }
      },
      "en": {
       "role": {
        "documentation": "The decrease in the fair value measurement of assets resulting from sales. [Refer: At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r195"
     ]
    },
    "asx_ScheduleOfDetailedInformationAboutHedgesOfNetInvestmentsOfForeignOperationsExplanatoryTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ScheduleOfDetailedInformationAboutHedgesOfNetInvestmentsOfForeignOperationsExplanatoryTableTextBlock",
     "presentation": [
      "http://www.aseglobal.com/role/EquityTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule of detailed information about hedges of net investments of foreign operations explanatory [Table Text Block]",
        "terseLabel": "Schedule of detailed information about hedges of net investments of foreign operations",
        "documentation": "Schedule of detailed information about hedges of net investments of foreign operations explanatory"
       }
      }
     },
     "auth_ref": []
    },
    "asx_ScheduleOfLoanToRelatedPartiesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ScheduleOfLoanToRelatedPartiesTableTextBlock",
     "presentation": [
      "http://www.aseglobal.com/role/RelatedPartyTransactionsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Schedule Of Loan To Related Parties [Table Text Block]",
        "terseLabel": "Schedule of Loan to Related Parties",
        "documentation": "Schedule of loan to related parties."
       }
      }
     },
     "auth_ref": []
    },
    "asx_SecondShareOptionsExercisePriceMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SecondShareOptionsExercisePriceMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfAseIncOptionPlansOutstandingShareOptionsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Second share options exercise price [Member]",
        "terseLabel": "Second share options exercise price [Member]",
        "documentation": "Second share options exercise price."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_SecuredBankLoansReceived": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SecuredBankLoansReceived",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Secured bank loans received",
        "terseLabel": "Secured bank loans, annual interest rates were 3.81%-4.16% and 2.82%-3.48% as of December 31, 2024 and 2025, respectively"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of loans received from banks that have been secured by collateral. [Refer: Loans received]"
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "asx_SecuredLoanMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SecuredLoanMember",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Secured Loan [Member]",
        "terseLabel": "Secured Loan [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "dei_Security12bTitle": {
     "xbrltype": "securityTitleItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "Security12bTitle",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Title of 12(b) Security",
        "documentation": "Title of a 12(b) registered security."
       }
      }
     },
     "auth_ref": [
      "r699"
     ]
    },
    "dei_SecurityExchangeName": {
     "xbrltype": "edgarExchangeCodeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "SecurityExchangeName",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Security Exchange Name",
        "documentation": "Name of the Exchange on which a security is registered."
       }
      }
     },
     "auth_ref": [
      "r701"
     ]
    },
    "ifrs-full_SegmentConsolidationItemsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SegmentConsolidationItemsAxis",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Segment consolidation items [axis]",
        "terseLabel": "Segment consolidation items [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r312"
     ]
    },
    "ifrs-full_SegmentConsolidationItemsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SegmentConsolidationItemsDomain",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Segment consolidation items [domain]",
        "terseLabel": "Segment consolidation items [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Segment consolidation items' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r320"
     ]
    },
    "ifrs-full_SegmentsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SegmentsAxis",
     "presentation": [
      "http://www.aseglobal.com/role/GoodwillSummaryOfCarryingAmountsOfGoodwillAllocatedToCashGeneratingUnitsDetail",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationAdditionalInformationDetail",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Segments [axis]",
        "terseLabel": "Segments [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r92",
      "r201",
      "r312",
      "r332",
      "r611",
      "r644"
     ]
    },
    "ifrs-full_SegmentsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SegmentsDomain",
     "presentation": [
      "http://www.aseglobal.com/role/GoodwillSummaryOfCarryingAmountsOfGoodwillAllocatedToCashGeneratingUnitsDetail",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationAdditionalInformationDetail",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Segments [domain]",
        "terseLabel": "Segments [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all segments of an entity. It also represents the standard value for the 'Segments' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r92",
      "r201",
      "r320",
      "r332",
      "r611",
      "r644"
     ]
    },
    "asx_SellEurToBuyTNDMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SellEurToBuyTNDMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sell Eur To Buy TND [Member]",
        "terseLabel": "Sell EUR/Buy TND [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SellHKDToBuyUSMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SellHKDToBuyUSMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sell HKD To Buy US [Member]",
        "verboseLabel": "Sell HKD/Buy US$ [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SellJPYBuyUSMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SellJPYBuyUSMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sell JPYBuy US [Member]",
        "verboseLabel": "Sell JPY/Buy US$ [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SellMXNBuyUSMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SellMXNBuyUSMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sell MXNBuy US [Member]",
        "verboseLabel": "Sell MXN/Buy US$ [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SellMyrToBuyUsDollarMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SellMyrToBuyUsDollarMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sell MYR To Buy US Dollar [Member]",
        "terseLabel": "Sell MYR/Buy US$ [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SellNTtoBuyUSMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SellNTtoBuyUSMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sell NT to Buy US [Member]",
        "verboseLabel": "Sell NT$/Buy US$ [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SellRMBBuyJPYMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SellRMBBuyJPYMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sell RMBBuy JPY [Member]",
        "verboseLabel": "Sell RMB/Buy JPY [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SellRMBToBuyNTDollarMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SellRMBToBuyNTDollarMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sell RMB To Buy NT Dollar [Member]",
        "verboseLabel": "Sell RMB/Buy NT$ [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SellRMBToBuyUSDollarMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SellRMBToBuyUSDollarMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sell RMB To Buy US Dollar [Member]",
        "verboseLabel": "Sell RMB/Buy US$ [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SellUSDollarToBuyRMBMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SellUSDollarToBuyRMBMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sell US Dollar To Buy RMB [Member]",
        "verboseLabel": "Sell US$/Buy RMB [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SellUSToBuyKRWMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SellUSToBuyKRWMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sell US To Buy KRW [Member]",
        "verboseLabel": "Sell US$/Buy KRW [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SellUStoBuyEURMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SellUStoBuyEURMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sell US to Buy EUR [Member]",
        "verboseLabel": "Sell US$/Buy EUR [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SellUStoBuyMYRMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SellUStoBuyMYRMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sell US to Buy MYR [Member]",
        "verboseLabel": "Sell US$/Buy MYR [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SellUStoBuySGDMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SellUStoBuySGDMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sell US to Buy SGD [Member]",
        "verboseLabel": "Sell US$/Buy SGD [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SellUStobuyJPYMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SellUStobuyJPYMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sell US to buy JPY [Member]",
        "verboseLabel": "Sell US$/Buy JPY [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SellUStobuyNTMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SellUStobuyNTMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Sell US to buy NT [Member]",
        "verboseLabel": "Sell US$/Buy NT$ [member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_SellingGeneralAndAdministrativeExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SellingGeneralAndAdministrativeExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_OperatingExpenseExcludingCostOfSales",
       "weight": 1.0,
       "order": 27.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Selling, general and administrative expense",
        "terseLabel": "General and administrative expenses"
       }
      }
     },
     "auth_ref": [
      "r857"
     ]
    },
    "asx_SettlementAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SettlementAxis",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Settlement [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SettlementDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SettlementDomain",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Settlement [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_ShaeOptionToRightToPurchaseOrdinaryShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ShaeOptionToRightToPurchaseOrdinaryShares",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shae option to right to purchase ordinary shares",
        "terseLabel": "Share option to purchase of ordinary shares",
        "documentation": "Shae option to right to purchase ordinary shares."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ShanghaiDingFanBusinessManagementCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ShanghaiDingFanBusinessManagementCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shanghai Ding Fan Business Management Co Ltd [Member]",
        "terseLabel": "Shanghai Ding Fan Business Management Co., Ltd. [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_ShanghaiDingHuiRealEstateDevelopmentCo.Ltd.dhMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ShanghaiDingHuiRealEstateDevelopmentCo.Ltd.dhMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shanghai Ding Hui Real Estate Development Co., Ltd. (\"DH\") [Member]",
        "documentation": "Shanghai Ding Hui Real Estate Development Co., Ltd. (\"DH\")."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ShanghaiDingQiPropertyManagementCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ShanghaiDingQiPropertyManagementCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shanghai Ding Qi Property Management Co., Ltd. [member]",
        "terseLabel": "Shanghai Ding Qi Property Management Co., Ltd. [member]",
        "documentation": "Shanghai Ding Qi Property Management Co., Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ShanghaiDingWeiRealEstateDevelopmentCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ShanghaiDingWeiRealEstateDevelopmentCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shanghai Ding Wei Real Estate Development Co., Ltd. [member]",
        "terseLabel": "Shanghai Ding Wei Real Estate Development Co., Ltd. [member]",
        "documentation": "Shanghai Ding Wei Real Estate Development Co., Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ShanghaiDingXuPropertyManagementCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ShanghaiDingXuPropertyManagementCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shanghai Ding Xu Property Management Co., Ltd. [member]",
        "terseLabel": "Shanghai Ding Xu Property Management Co., Ltd. [member]",
        "documentation": "Shanghai Ding Xu Property Management Co., Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ShanghaiDingYaoEstateDevelopmentCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ShanghaiDingYaoEstateDevelopmentCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shanghai Ding Yao Estate Development Co Ltd [Member]",
        "terseLabel": "Shanghai Ding Yao Estate Development Co., Ltd. [member]",
        "documentation": "Shanghai Ding Yao Estate Development Co., Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ShanghaiDingYuRealEstateDevelopmentCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ShanghaiDingYuRealEstateDevelopmentCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shanghai Ding Yu Real Estate Development Co., Ltd. [member]",
        "terseLabel": "Shanghai Ding Yu Real Estate Development Co., Ltd. [member]",
        "documentation": "Shanghai Ding Yu Real Estate Development Co., Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionGrantedInPeriodFairValue1": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionGrantedInPeriodFairValue1",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share based Compensation Arrangement By Share based Payment Award Option Granted In Period Fair Value 1",
        "terseLabel": "Fair value of options granted",
        "documentation": "Share based Compensation Arrangement By Share based Payment Award Option Granted In Period Fair Value 1"
       }
      }
     },
     "auth_ref": []
    },
    "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "All Award Types",
        "terseLabel": "All Award Types"
       }
      }
     },
     "auth_ref": []
    },
    "asx_ShareBasedPaymentExpenses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ShareBasedPaymentExpenses",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfUnearnedEmployeeCompensationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share Based Payment Expenses",
        "terseLabel": "Share-based payment expenses",
        "documentation": "Share-based payment expenses."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ShareCapitalReservedUnderOptions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ShareCapitalReservedUnderOptions",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfShareCapitalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share Capital Reserved Under Options",
        "terseLabel": "Share capital reserved Employee share options",
        "documentation": "Share capital reserved under options."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ShareCapitalSubscribed": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ShareCapitalSubscribed",
     "presentation": [
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share Capital Subscribed",
        "documentation": "Share Capital Subscribed."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ShareCapitalSubscribedInAdvance": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ShareCapitalSubscribedInAdvance",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_IssuedCapital",
       "weight": 1.0,
       "order": 53.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share Capital Subscribed In Advance",
        "terseLabel": "Shares subscribed in advance",
        "documentation": "Share capital subscribed in advance."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ShareOfChangesInCapitalSurplusOfAssociates": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ShareOfChangesInCapitalSurplusOfAssociates",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail": {
       "parentTag": "asx_SharePremiumMayBeUsedToOffsetDeficitOnly",
       "weight": 1.0,
       "order": 11.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share of changes in capital surplus of associates",
        "terseLabel": "Share of changes in capital surplus of associates accounted for using the equity method",
        "documentation": "Share of changes in capital surplus of associates."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax",
       "weight": 1.0,
       "order": 9.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
      "http://www.aseglobal.com/role/EquitySummaryOfExchangeDifferencesOnTranslatingForeignOperationsDetail",
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share of other comprehensive income of associates and joint ventures accounted for using equity method that will be reclassified to profit or loss, net of tax",
        "verboseLabel": "Share of other comprehensive income (loss) of associates and joint ventures",
        "presentationGuidance": "Share from associates and joint ventures accounted for using the equity method",
        "definitionGuidance": "Share in other comprehensive income (loss) from associates accounted for using the equity method"
       }
      },
      "en": {
       "role": {
        "documentation": "Share of the other comprehensive income of associates and joint ventures accounted for using the equity method that will be reclassified to profit or loss, net of tax."
       }
      }
     },
     "auth_ref": [
      "r595"
     ]
    },
    "ifrs-full_ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossBeforeTax",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax",
       "weight": 1.0,
       "order": 14.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss, before tax",
        "verboseLabel": "Share of other comprehensive income\u00a0of associates and joint ventures"
       }
      },
      "en": {
       "role": {
        "documentation": "Share of the other comprehensive income of associates and joint ventures accounted for using the equity method that will not be reclassified to profit or loss, before tax."
       }
      }
     },
     "auth_ref": [
      "r595"
     ]
    },
    "ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "asx_NonoperatingIncomeAndExpenses",
       "weight": 1.0,
       "order": 23.0
      },
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperations",
       "weight": -1.0,
       "order": 44.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfCashFlows",
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share of profit (loss) of associates and joint ventures accounted for using equity method",
        "verboseLabel": "Share of the profit or loss of associates\u00a0and joint ventures",
        "negatedLabel": "Share of profit of associates and joint ventures",
        "positiveLabel": "Share of the profit or loss of associates and joint ventures"
       }
      }
     },
     "auth_ref": [
      "r310",
      "r319",
      "r593"
     ]
    },
    "asx_ShareOptionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ShareOptionMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share Option [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_SharePremium": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SharePremium",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent",
       "weight": 1.0,
       "order": 48.0
      },
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets",
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share premium",
        "verboseLabel": "Capital surplus",
        "totalLabel": "Capital surplus"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount received or receivable from the issuance of the entity's shares in excess of nominal value."
       }
      }
     },
     "auth_ref": [
      "r687",
      "r695"
     ]
    },
    "asx_SharePremiumMayBeUsedToOffsetDeficitDistributedAsCashDividendsOrTransferredToShareCapital": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SharePremiumMayBeUsedToOffsetDeficitDistributedAsCashDividendsOrTransferredToShareCapital",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail": {
       "parentTag": "ifrs-full_SharePremium",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share premium, may be used to offset a deficit, distributed as cash dividends, or transferred to share capital",
        "totalLabel": "Capital surplus deficit distributed as cash dividends",
        "documentation": "Share premium, may be used to offset a deficit, distributed as cash dividends, or transferred to share capital."
       }
      }
     },
     "auth_ref": []
    },
    "asx_SharePremiumMayBeUsedToOffsetDeficitOnly": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SharePremiumMayBeUsedToOffsetDeficitOnly",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail": {
       "parentTag": "ifrs-full_SharePremium",
       "weight": 1.0,
       "order": 9.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share premium, may be used to offset a deficit only",
        "totalLabel": "Capital surplus offset deficit",
        "documentation": "Share premium, may be used to offset a deficit only."
       }
      }
     },
     "auth_ref": []
    },
    "asx_SharePremiumMayNotBeUsedForAnyPurpose": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SharePremiumMayNotBeUsedForAnyPurpose",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail": {
       "parentTag": "ifrs-full_SharePremium",
       "weight": 1.0,
       "order": 14.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share premium, may not be used for any purpose",
        "totalLabel": "Capital surplus for other purpose",
        "documentation": "Share premium, may not be used for any purpose."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_SharePremiumMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SharePremiumMember",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share premium [member]",
        "terseLabel": "Capital surplus [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the amount received or receivable from issuance of the entity's shares in excess of nominal value."
       }
      }
     },
     "auth_ref": [
      "r546"
     ]
    },
    "asx_SharebasedIncentivePlansMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SharebasedIncentivePlansMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForDerivativeFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Share-based Incentive Plans [member]",
        "terseLabel": "Share-based Incentive Plans [member]",
        "documentation": "Share-based incentive plans."
       }
      }
     },
     "auth_ref": []
    },
    "asx_SharesHeldBySubsidiariesValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SharesHeldBySubsidiariesValue",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfSharesHeldBySubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shares held by subsidiaries, value",
        "terseLabel": "Shares Held By Subsidiaries, Value",
        "documentation": "Shares held by subsidiaries, value."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates": {
     "xbrltype": "sharesItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates",
     "presentation": [
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EquitySummaryOfSharesHeldBySubsidiariesDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of shares in entity held by entity or by its subsidiaries or associates",
        "verboseLabel": "Number of shares in entity held by entity",
        "definitionGuidance": "Shares held by subsidiaries",
        "terseLabel": "Shares Held By Subsidiaries (in thousands)"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of shares in the entity held by the entity or by its subsidiaries or associates. [Refer: Total for all associates [member]; Total for all subsidiaries [member]]"
       }
      }
     },
     "auth_ref": [
      "r360",
      "r524",
      "r579"
     ]
    },
    "asx_SharesInTheSubsidiaryCompanyDisposedOffDuringThePeriod": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SharesInTheSubsidiaryCompanyDisposedOffDuringThePeriod",
     "presentation": [
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Shares In The Subsidiary Company Disposed Off During The Period",
        "terseLabel": "Shares in the subsidiary company disposed off during the period",
        "documentation": "Shares in the subsidiary company disposed off during the period."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SharesReservedForIssueUnderOptionsAndContractsForSaleOfShares",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfShareCapitalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Number of shares reserved for issue under options and contracts for sale of shares",
        "terseLabel": "Numbers of shares reserved (in thousands) Employee share options"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of shares reserved for issue under options and contracts for the sale of shares."
       }
      }
     },
     "auth_ref": [
      "r361",
      "r525",
      "r580"
     ]
    },
    "asx_ShortTermBankLoansMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ShortTermBankLoansMember",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Short Term Bank Loans [Member]",
        "terseLabel": "Short Term Bank Loans [Member]",
        "documentation": "Short term bank loans."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ShortTermBillsPayableCurrent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ShortTermBillsPayableCurrent",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0,
       "order": 36.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Short Term Bills Payable Current",
        "verboseLabel": "Short-term bills payable (Note 20)",
        "documentation": "Short term bills payable current."
       }
      }
     },
     "auth_ref": []
    },
    "asx_ShortTermBillsPayableMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ShortTermBillsPayableMember",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableDetail",
      "http://www.aseglobal.com/role/BorrowingsTables",
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Short-term Bills Payable [member]",
        "verboseLabel": "Short Term Bills Payable [Member]",
        "documentation": "Short Term Bills Payable."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ShorttermBorrowings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ShorttermBorrowings",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsDetail": {
       "parentTag": "ifrs-full_Borrowings",
       "weight": 1.0,
       "order": 2.0
      },
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0,
       "order": 26.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsDetail",
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current borrowings",
        "definitionGuidance": "Short-term borrowings (Notes 20 and 36)",
        "terseLabel": "Short-term borrowings"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current borrowings. [Refer: Borrowings]"
       }
      }
     },
     "auth_ref": [
      "r854"
     ]
    },
    "ifrs-full_ShorttermBorrowingsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ShorttermBorrowingsMember",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsTables",
      "http://www.aseglobal.com/role/CashFlowInformationChangeInLiabilitiesArisingFromFinancingActivitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Short-term borrowings [member]",
        "verboseLabel": "Short Term Bank Loans [member]",
        "terseLabel": "Short-term borrowings [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for short-term borrowings. [Refer: Borrowings]"
       }
      }
     },
     "auth_ref": [
      "r628",
      "r633"
     ]
    },
    "asx_ShorttermNotesPayableMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "ShorttermNotesPayableMember",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "ShortTerm Notes Payable [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_SignificantInvestmentsInAssociatesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SignificantInvestmentsInAssociatesAxis",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfConsiderationTransferredInBusinessCombinationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfGoodwillRecognizedOnAcquisitionsDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfImpactOfAcquisitionsByComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfNetCashOutflowOnAcquisitionOfSubsidiaryDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfSubsidiaryAcquiredDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfAssociatesThatAreNotIndividuallyMaterialDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfFairValuesOfInvestmentsInAssociatesWithAvailablePublishedPriceQuotationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxAdditionalInformationDetail",
      "http://www.aseglobal.com/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Associates [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r78",
      "r81",
      "r189",
      "r511"
     ]
    },
    "ifrs-full_SignificantInvestmentsInAssociatesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SignificantInvestmentsInAssociatesDomain",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfConsiderationTransferredInBusinessCombinationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfGoodwillRecognizedOnAcquisitionsDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfImpactOfAcquisitionsByComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfNetCashOutflowOnAcquisitionOfSubsidiaryDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfSubsidiaryAcquiredDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfAggregateInformationOfAssociatesThatAreNotIndividuallyMaterialDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfFairValuesOfInvestmentsInAssociatesWithAvailablePublishedPriceQuotationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxAdditionalInformationDetail",
      "http://www.aseglobal.com/role/RelatedPartyTransactionsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Associates [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Associates' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r78",
      "r81",
      "r189",
      "r511"
     ]
    },
    "ifrs-full_SignificantInvestmentsInSubsidiariesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SignificantInvestmentsInSubsidiariesAxis",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfGainOnDisposalOfSubsidiaryDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryTables",
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EquitySummaryOfSharesHeldBySubsidiariesDetail",
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/IncomeTaxAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Subsidiaries [axis]",
        "terseLabel": "Subsidiaries [axis]",
        "verboseLabel": "Subsidiaries [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r78",
      "r81",
      "r186",
      "r509"
     ]
    },
    "ifrs-full_SignificantInvestmentsInSubsidiariesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SignificantInvestmentsInSubsidiariesDomain",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryAdditionalInformationDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfAnalysisOfAssetsAndLiabilitiesOnDateControlWasLostDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiarySummaryOfGainOnDisposalOfSubsidiaryDetail",
      "http://www.aseglobal.com/role/DisposalOfSubsidiaryTables",
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EquitySummaryOfSharesHeldBySubsidiariesDetail",
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/IncomeTaxAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodAdditionalInformationDetail",
      "http://www.aseglobal.com/role/OthersAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Subsidiaries [domain]",
        "terseLabel": "Subsidiaries [domain]",
        "verboseLabel": "Subsidiaries [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Subsidiaries' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r78",
      "r81",
      "r186",
      "r509"
     ]
    },
    "asx_SignificantUnobservableInputsDiscountRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SignificantUnobservableInputsDiscountRate",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Significant Unobservable Inputs Discount Rate",
        "terseLabel": "Significant unobservable inputs discount rate",
        "documentation": "Significant unobservable inputs discount rate."
       }
      }
     },
     "auth_ref": []
    },
    "asx_SiliconwarePrecisionMalaysiaSdnBhdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SiliconwarePrecisionMalaysiaSdnBhdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Siliconware Precision Malaysia SDN BHD [Member]",
        "verboseLabel": "Siliconware Precision Malaysia Sdn. Bhd. [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SiliconwareTechnologySuzhouLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SiliconwareTechnologySuzhouLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Siliconware technology Suzhou limited [member]",
        "verboseLabel": "Siliconware Technology (Suzhou) Limited [Member]",
        "documentation": "Siliconware technology Suzhou limited."
       }
      }
     },
     "auth_ref": []
    },
    "asx_SiliconwareUSAIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SiliconwareUSAIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Siliconware USA, Inc. [member]",
        "terseLabel": "Siliconware USA, Inc. [member]",
        "documentation": "Siliconware USA, Inc."
       }
      }
     },
     "auth_ref": []
    },
    "asx_SpecialReserve": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SpecialReserve",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_RetainedEarnings",
       "weight": 1.0,
       "order": 56.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Special reserve",
        "terseLabel": "Special reserve",
        "documentation": "Special reserve."
       }
      }
     },
     "auth_ref": []
    },
    "asx_SpecialReserveMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SpecialReserveMember",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity",
      "http://www.aseglobal.com/role/EquityScheduleOfAppropriationOfRetainedEarningsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Special Reserve [member]",
        "terseLabel": "Special reserve [member]",
        "verboseLabel": "Special reserve [member]",
        "documentation": "Special reserve."
       }
      }
     },
     "auth_ref": []
    },
    "asx_SpilOneMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SpilOneMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "SPIL ONE [Member]",
        "verboseLabel": "SPIL [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SpilbviHoldingLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SpilbviHoldingLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "SPIL BVI Holding Limited [Member]",
        "verboseLabel": "SPIL (B.V.I.) Holding Limited [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_Statement1LineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "Statement1LineItems",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsTables",
      "http://www.aseglobal.com/role/BusinessCombinationsTables",
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
      "http://www.aseglobal.com/role/EquityTables",
      "http://www.aseglobal.com/role/FinancialInstrumentsTables",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsTables",
      "http://www.aseglobal.com/role/TradeReceivablesNetTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement 1 [Line Items]",
        "terseLabel": "Statement [LineItems]",
        "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table."
       }
      }
     },
     "auth_ref": []
    },
    "asx_Statement1Table": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "Statement1Table",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsTables",
      "http://www.aseglobal.com/role/BusinessCombinationsTables",
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome",
      "http://www.aseglobal.com/role/EquityTables",
      "http://www.aseglobal.com/role/FinancialInstrumentsTables",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsTables",
      "http://www.aseglobal.com/role/TradeReceivablesNetTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement1 [Table]",
        "terseLabel": "Statement [table]",
        "documentation": "Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders Equity and Other Comprehensive Income, or other statement as needed."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_StatementOfCashFlowsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatementOfCashFlowsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of cash flows [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_StatementOfChangesInEquityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatementOfChangesInEquityAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of changes in equity [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_StatementOfChangesInEquityLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatementOfChangesInEquityLineItems",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity",
      "http://www.aseglobal.com/role/EquityScheduleOfAppropriationOfRetainedEarningsDetail",
      "http://www.aseglobal.com/role/EquitySummaryOfExchangeDifferencesOnTranslatingForeignOperationsDetail",
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail",
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of changes in equity [line items]",
        "terseLabel": "Statement of changes in equity [Line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_StatementOfChangesInEquityTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatementOfChangesInEquityTable",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity",
      "http://www.aseglobal.com/role/EquityScheduleOfAppropriationOfRetainedEarningsDetail",
      "http://www.aseglobal.com/role/EquitySummaryOfExchangeDifferencesOnTranslatingForeignOperationsDetail",
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail",
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of changes in equity [table]",
        "terseLabel": "Statement of changes in equity [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to changes in equity."
       }
      }
     },
     "auth_ref": [
      "r546"
     ]
    },
    "ifrs-full_StatementOfComprehensiveIncomeAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatementOfComprehensiveIncomeAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of comprehensive income [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_StatementOfFinancialPositionAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatementOfFinancialPositionAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of financial position [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_StatementOfIFRSCompliance": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatementOfIFRSCompliance",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of IFRS compliance [text block]",
        "terseLabel": "Statement of Compliance"
       }
      }
     },
     "auth_ref": [
      "r552"
     ]
    },
    "ifrs-full_StatutoryReserve": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatutoryReserve",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_RetainedEarnings",
       "weight": 1.0,
       "order": 55.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statutory reserve",
        "terseLabel": "Legal reserve"
       }
      },
      "en": {
       "role": {
        "documentation": "A component of equity representing reserves created based on legal requirements."
       }
      }
     },
     "auth_ref": [
      "r854"
     ]
    },
    "ifrs-full_StatutoryReserveMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatutoryReserveMember",
     "presentation": [
      "http://www.aseglobal.com/role/EquityScheduleOfAppropriationOfRetainedEarningsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Statutory reserve [member]",
        "verboseLabel": "Legal reserve [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity representing reserves created based on legal requirements."
       }
      }
     },
     "auth_ref": [
      "r850"
     ]
    },
    "ecd_StkPrcOrTsrEstimationMethodTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "StkPrcOrTsrEstimationMethodTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Stock Price or TSR Estimation Method [Text Block]",
        "terseLabel": "Stock Price or TSR Estimation Method"
       }
      }
     },
     "auth_ref": [
      "r720",
      "r731",
      "r741",
      "r774"
     ]
    },
    "us-gaap_StockAppreciationRightsSARSMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/us-gaap/2025",
     "localname": "StockAppreciationRightsSARSMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Stock Appreciation Rights (SARs) [Member]",
        "terseLabel": "Stock Appreciation Rights (SARs)"
       }
      }
     },
     "auth_ref": []
    },
    "asx_StockIssuedDuringPeriodSharesShareBasedCompensation1": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "StockIssuedDuringPeriodSharesShareBasedCompensation1",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Stock Issued During Period Shares Share Based Compensation 1",
        "verboseLabel": "Share-based payment from the Company, shares",
        "documentation": "Stock issued during period shares share based compensation."
       }
      }
     },
     "auth_ref": []
    },
    "asx_StockIssuedDuringPeriodValuesShareBasedCompensation": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "StockIssuedDuringPeriodValuesShareBasedCompensation",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Stock Issued During Period Values Share Based Compensation",
        "terseLabel": "Share-based payment from the Company",
        "documentation": "Stock issued during period values share based compensation."
       }
      }
     },
     "auth_ref": []
    },
    "asx_StockIssuedDuringPeriodValuesShareBasedCompensationFromSubsidiaries": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "StockIssuedDuringPeriodValuesShareBasedCompensationFromSubsidiaries",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Stock Issued During Period Values Share Based Compensation From Subsidiaries",
        "verboseLabel": "Share-based payment from subsidiaries",
        "documentation": "Stock issued during period values share based compensation from subsidiaries."
       }
      }
     },
     "auth_ref": []
    },
    "asx_StrikePriceBMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "StrikePriceBMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Strike Price (b) [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_StrikepriceAMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "StrikepriceAMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "StrikePrice (a) [Member]",
        "terseLabel": "Strike Price (a) [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_StrikepriceAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "StrikepriceAxis",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "StrikePrice [Axis]",
        "documentation": "Strike\u00a0Price"
       }
      }
     },
     "auth_ref": []
    },
    "asx_StrikepriceDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "StrikepriceDomain",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "StrikePrice [Domain]",
        "documentation": "Strike\u00a0Price"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SubclassificationsOfAssetsLiabilitiesAndEquitiesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Subclassifications of assets, liabilities and equities [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SubscriptionForSubsidiariesCapitalIncreaseAtPercentageDifferentFromItsExistingOwnership": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SubscriptionForSubsidiariesCapitalIncreaseAtPercentageDifferentFromItsExistingOwnership",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfNonControllingInterestsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Subscription For Subsidiaries Capital Increase At Percentage Different From Its Existing Ownership",
        "terseLabel": "The Group's subscription for subsidiaries' capital increase at a percentage different from its existing ownership",
        "documentation": "Subscription for subsidiaries capital increase at percentage different from its existing ownership."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_SubsidiariesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SubsidiariesMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail",
      "http://www.aseglobal.com/role/IncomeTaxAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Subsidiaries [member]",
        "terseLabel": "Subsidiaries [member]",
        "verboseLabel": "Disposal of subsidiary [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for entities that are controlled by another entity."
       }
      }
     },
     "auth_ref": [
      "r68",
      "r78",
      "r81",
      "r186",
      "r425",
      "r509"
     ]
    },
    "asx_SummaryOfInvestmentsInJointVenturesAccountedForUsingTheEquityMethodAndSummaryOfAggregateInformationOfTheJointVentureThatIsNotIndividuallyMaterial": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SummaryOfInvestmentsInJointVenturesAccountedForUsingTheEquityMethodAndSummaryOfAggregateInformationOfTheJointVentureThatIsNotIndividuallyMaterial",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Summary Of Investments In Joint Ventures Accounted For Using The Equity Method And Summary Of Aggregate Information Of The Joint Venture That Is Not Individually Material",
        "documentation": "Summary of investments In joint ventures accounted for using the equity method and summary of aggregate information of the joint venture that is not individually material."
       }
      }
     },
     "auth_ref": []
    },
    "asx_SummaryOfSignificantAccountingPoliciesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SummaryOfSignificantAccountingPoliciesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Summary Of Significant Accounting Policies [abstract]",
        "documentation": "Summary Of Significant Accounting Policies [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_SuperZoneHoldingsLimitedInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SuperZoneHoldingsLimitedInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Super Zone Holdings Limited Investor [Member]",
        "terseLabel": "Super Zone Holdings Limited [Member]",
        "documentation": "Super zone holdings limited investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_SuperZoneHoldingsLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SuperZoneHoldingsLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Super Zone Holdings Limited [member]",
        "terseLabel": "Super Zone Holdings Limited [member]",
        "documentation": "Super Zone Holdings Limited."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_SupplierFinanceArrangementsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SupplierFinanceArrangementsAxis",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationAdditionalInformationDetail",
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfSupplierFinancingArrangementsReceivedPaymentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Supplier finance arrangements [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table. This axis represents the financial liabilities that are part of a supplier finance arrangement."
       }
      }
     },
     "auth_ref": [
      "r144",
      "r145",
      "r373",
      "r374"
     ]
    },
    "ifrs-full_SupplierFinanceArrangementsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SupplierFinanceArrangementsDomain",
     "presentation": [
      "http://www.aseglobal.com/role/CashFlowInformationAdditionalInformationDetail",
      "http://www.aseglobal.com/role/CashFlowInformationSummaryOfSupplierFinancingArrangementsReceivedPaymentDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Supplier finance arrangements [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value of the \u2018Supplier finance arrangements\u2019 axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r144",
      "r145",
      "r373",
      "r374"
     ]
    },
    "ifrs-full_SwapContractMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SwapContractMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForDerivativeFinancialInstrumentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Swap contract [member]",
        "terseLabel": "Swap contracts [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a derivative financial instrument that involves the exchange of cash flow streams between the parties of the contract over a specified period. [Refer: Derivatives [member]]"
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "asx_SyndicatedBankLoansMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "SyndicatedBankLoansMember",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Syndicated Bank Loans [member]",
        "terseLabel": "Syndicated bank loans [Member]",
        "documentation": "Syndicated bank loans."
       }
      }
     },
     "auth_ref": []
    },
    "asx_TLJIntertechIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TLJIntertechIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "T L J Intertech Inc. (\" T L J\") [member]",
        "terseLabel": "TLJ Intertech Inc. [member]",
        "documentation": "TLJ Intertech Inc."
       }
      }
     },
     "auth_ref": []
    },
    "country_TW": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/country/2025",
     "localname": "TW",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfGeographicalInformationDetail",
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "TAIWAN, PROVINCE OF CHINA",
        "terseLabel": "Taiwan [member]"
       }
      }
     },
     "auth_ref": []
    },
    "currency_TWD": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/currency/2025",
     "localname": "TWD",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfRealizedAndUnrealizedForeignExchangeGainLossDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Taiwan, New Dollars",
        "terseLabel": "New Taiwan Dollar [member]"
       }
      }
     },
     "auth_ref": []
    },
    "ecd_TabularListTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TabularListTableTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tabular List [Table Text Block]",
        "terseLabel": "Tabular List, Table"
       }
      }
     },
     "auth_ref": [
      "r767"
     ]
    },
    "asx_TaiwanInnovationBoardQuotedOrdinarySharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TaiwanInnovationBoardQuotedOrdinarySharesMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfInvestmentsInEquityInstrumentsAtFairValueThroughOtherComprehensiveIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Taiwan Innovation Board Quoted Ordinary Shares [Member]",
        "verboseLabel": "Taiwan Innovation Board (TIB) quoted ordinary shares [member]",
        "documentation": "Taiwan innovation board quoted ordinary shares."
       }
      }
     },
     "auth_ref": []
    },
    "asx_TaxEffectOfNetIncomeExpenseNotSubjectToTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TaxEffectOfNetIncomeExpenseNotSubjectToTax",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tax effect of net income (expense) not subject to tax",
        "terseLabel": "Non-deductible (non-taxable) items in determining taxable income",
        "documentation": "Tax effect of net income(expense) not subject to tax."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TaxEffectOfRevenuesExemptFromTaxation2011": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TaxEffectOfRevenuesExemptFromTaxation2011",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": -1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tax effect of revenues exempt from taxation",
        "negatedLabel": "Tax-exempt income"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to revenues that are exempt from taxation. [Refer: Accounting profit]"
       }
      }
     },
     "auth_ref": [
      "r4",
      "r387"
     ]
    },
    "asx_TaxEffectOfUnappropriatedEarnings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TaxEffectOfUnappropriatedEarnings",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tax effect of Unappropriated Earnings",
        "terseLabel": "Additional income tax on unappropriated earnings",
        "documentation": "Tax effect of unappropriated earnings."
       }
      }
     },
     "auth_ref": []
    },
    "asx_TaxEffectOfWithholdingTaxes": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TaxEffectOfWithholdingTaxes",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tax Effect of Withholding Taxes",
        "terseLabel": "Withholding tax",
        "documentation": "Tax effect of withholding taxes."
       }
      }
     },
     "auth_ref": []
    },
    "asx_TaxEffectOnLandValueIncrementTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TaxEffectOnLandValueIncrementTax",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0,
       "order": 9.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tax effect on Land value increment tax",
        "terseLabel": "Land value increment tax",
        "documentation": "Tax effect on Land value increment tax."
       }
      }
     },
     "auth_ref": []
    },
    "asx_TaxEffectOnTemporaryDifferencesOfUnrecognizedDeferredTaxLiabilityArisingFromInvestments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TaxEffectOnTemporaryDifferencesOfUnrecognizedDeferredTaxLiabilityArisingFromInvestments",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tax effect on temporary differences of unrecognized deferred tax liability arising from investments",
        "terseLabel": "Unrecognized deferred tax liability for temporary differences associated with investments",
        "documentation": "Tax effect on temporary differences of unrecognized deferred tax liability arising from investments."
       }
      }
     },
     "auth_ref": []
    },
    "asx_TaxEffectOnUnrecognizedLossCarryforwards": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TaxEffectOnUnrecognizedLossCarryforwards",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tax Effect On Unrecognized Loss Carryforwards",
        "terseLabel": "Unrecognized loss carryforwards",
        "documentation": "Tax effect on unrecognized loss carryforwards."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TaxExpenseIncomeAtApplicableTaxRate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TaxExpenseIncomeAtApplicableTaxRate",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail": {
       "parentTag": "ifrs-full_IncomeTaxExpenseContinuingOperations",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfReconciliationOfIncomeTaxExpenseDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Tax expense (income) at applicable tax rate",
        "terseLabel": "Income tax expense calculated at the statutory rates"
       }
      },
      "en": {
       "role": {
        "documentation": "The product of the accounting profit multiplied by the applicable tax rate(s). [Refer: Accounting profit; Applicable tax rate]"
       }
      }
     },
     "auth_ref": [
      "r4",
      "r387"
     ]
    },
    "asx_TcSpringCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TcSpringCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "TC SPRING CO LTD [Member]",
        "terseLabel": "TC SPRING CO.,LTD.[Member]",
        "documentation": "Tc spring co ltd."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TemporaryDifferenceMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TemporaryDifferenceMember",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Temporary differences [member]",
        "terseLabel": "Temporary differences [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for differences between the carrying amount of an asset or liability in the statement of financial position and its tax base. Temporary differences may be either: (a) taxable temporary differences; or (b) deductible temporary differences. [Refer: Carrying amount [member]]"
       }
      }
     },
     "auth_ref": [
      "r10",
      "r392"
     ]
    },
    "ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedInvestmentCreditsDetail",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedLossCarryForwardDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Temporary difference, unused tax losses and unused tax credits [axis]",
        "terseLabel": "Temporary difference, unused tax losses and unused tax credits [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r10",
      "r392"
     ]
    },
    "ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedInvestmentCreditsDetail",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedLossCarryForwardDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Temporary difference, unused tax losses and unused tax credits [domain]",
        "terseLabel": "Temporary difference, unused tax losses and unused tax credits [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for temporary differences, unused tax losses and unused tax credits. It also represents the standard value for the 'Temporary difference, unused tax losses and unused tax credits' axis if no other member is used. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]]"
       }
      }
     },
     "auth_ref": [
      "r10",
      "r392"
     ]
    },
    "ifrs-full_TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TemporaryDifferencesAssociatedWithInvestmentsInSubsidiariesBranchesAndAssociatesAndInterestsInJointVentures",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Temporary differences associated with investments in subsidiaries, branches and associates and interests in joint arrangements for which deferred tax liabilities have not been recognised",
        "terseLabel": "Taxable temporary differences associated with the investments in subsidiaries for which no deferred tax liabilities recognized"
       }
      },
      "en": {
       "role": {
        "documentation": "The aggregate amount of temporary differences associated with investments in subsidiaries, branches and associates and interests in joint arrangements, for which deferred tax liabilities have not been recognised as a result of satisfying both of the following conditions: (a) the parent, investor, joint venturer or joint operator is able to control the timing of the reversal of the temporary difference; and (b) it is probable that the temporary difference will not reverse in the foreseeable future. [Refer: Total for all associates [member]; Total for all subsidiaries [member]; Temporary differences [member]; Investments in subsidiaries reported in separate financial statements]"
       }
      }
     },
     "auth_ref": [
      "r7"
     ]
    },
    "asx_TestingSegmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TestingSegmentMember",
     "presentation": [
      "http://www.aseglobal.com/role/GoodwillSummaryOfCarryingAmountsOfGoodwillAllocatedToCashGeneratingUnitsDetail",
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfSegmentInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Testing Segment [member]",
        "terseLabel": "Testing segment [member]",
        "documentation": "Testing segment."
       }
      }
     },
     "auth_ref": []
    },
    "asx_TestingServiceMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TestingServiceMember",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfRevenueFromMajorProductsAndServicesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Testing service [member]",
        "terseLabel": "Testing service [member]",
        "documentation": "Testing service [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_TextBlock1Abstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TextBlock1Abstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Text block [abstract]",
        "terseLabel": "Text block [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_TheCompanyInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TheCompanyInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "The Company Investor [Member]",
        "terseLabel": "The Company [Member]",
        "documentation": "The Company Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_TheCompanyOptionPlansMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TheCompanyOptionPlansMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfAseIncOptionPlansOutstandingShareOptionsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "The Company Option Plans [member]",
        "terseLabel": "The Company Option Plans [member]",
        "documentation": "The Company Option Plans."
       }
      }
     },
     "auth_ref": []
    },
    "asx_TibQuotedOrdinarySharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TibQuotedOrdinarySharesMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "TIB Quoted Ordinary Shares [Member]",
        "terseLabel": "TIB quoted ordinary shares [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_TimeDepositsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TimeDepositsMember",
     "presentation": [
      "http://www.aseglobal.com/role/OtherFinancialAssetsSummaryOfOtherFinancialAssetsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Time deposits [member]",
        "terseLabel": "Time deposits with original maturity over three months [member]",
        "documentation": "Time deposits with original maturity of over three months."
       }
      }
     },
     "auth_ref": []
    },
    "srt_TitleOfIndividualAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "TitleOfIndividualAxis",
     "presentation": [
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Title of Individual [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "srt_TitleOfIndividualWithRelationshipToEntityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "TitleOfIndividualWithRelationshipToEntityDomain",
     "presentation": [
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Title and Position [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TopOfRangeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TopOfRangeMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableParentheticalDetail",
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsParentheticalDetail",
      "http://www.aseglobal.com/role/EquityAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail",
      "http://www.aseglobal.com/role/GoodwillAdditionalInformationDetail",
      "http://www.aseglobal.com/role/InvestmentPropertiesInvestmentPropertiesDepreciatedOnAStraightLineBasisOverUsefulLivesDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/LeaseArrangementsSummaryOfTheGroupsLeaseLiabilitiesAreMainlyFromLandAndBuildingsAndImprovementsRangeOfDiscountRateForLeaseLiabilitiesDetail",
      "http://www.aseglobal.com/role/OtherIntangibleAssetsSummaryOfOtherIntangibleAssetsUsefulLivesDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ProfitBeforeIncomeTaxSummaryOfAnnualInterestRatesOfCapitalizedBorrowingCostsDetail",
      "http://www.aseglobal.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentDepreciatedUsefulLivesDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansAdditionalInformationDetail",
      "http://www.aseglobal.com/role/RetirementBenefitPlansSummaryOfKeyAssumptionsUsedForTheActuarialValuationsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfFairValueUsingTrinomialTreeModelAndInputsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Top of range [member]",
        "terseLabel": "Top of range [member]",
        "verboseLabel": "Top of range [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for top of a range."
       }
      }
     },
     "auth_ref": [
      "r146",
      "r199",
      "r223",
      "r242",
      "r375",
      "r635",
      "r636",
      "r844"
     ]
    },
    "ecd_TotalShareholderRtnAmt": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TotalShareholderRtnAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Total Shareholder Return Amount",
        "terseLabel": "Total Shareholder Return Amount"
       }
      }
     },
     "auth_ref": [
      "r759"
     ]
    },
    "ecd_TotalShareholderRtnVsPeerGroupTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TotalShareholderRtnVsPeerGroupTextBlock",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Total Shareholder Return Vs Peer Group [Text Block]",
        "terseLabel": "Total Shareholder Return Vs Peer Group"
       }
      }
     },
     "auth_ref": [
      "r766"
     ]
    },
    "ifrs-full_TradeAndOtherCurrentPayablesToTradeSuppliers": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TradeAndOtherCurrentPayablesToTradeSuppliers",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_CurrentLiabilities",
       "weight": 1.0,
       "order": 29.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current trade payables",
        "terseLabel": "Trade payables"
       }
      },
      "en": {
       "role": {
        "documentation": "The current amount of payment due to suppliers for goods and services used in entity's business. [Refer: Current liabilities; Trade payables]"
       }
      }
     },
     "auth_ref": [
      "r692",
      "r855"
     ]
    },
    "ifrs-full_TradeAndOtherPayablesRecognisedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TradeAndOtherPayablesRecognisedAsOfAcquisitionDate",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": -1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trade and other payables recognised as of acquisition date",
        "negatedLabel": "Trade and other payables"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for trade and other payables assumed in a business combination. [Refer: Trade and other payables; Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r841"
     ]
    },
    "ifrs-full_TradeAndOtherReceivablesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TradeAndOtherReceivablesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Trade and other receivables [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_TradeAndOtherReceivablesRecognisedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TradeAndOtherReceivablesRecognisedAsOfAcquisitionDate",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail": {
       "parentTag": "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumedAtTheDateOfAcquisitionDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trade and other receivables recognised as of acquisition date",
        "terseLabel": "Trade and other receivables",
        "documentation": "Trade and other receivables recognised as of acquisition date"
       }
      }
     },
     "auth_ref": []
    },
    "asx_TradeReceivableFromAccumulatedFactored": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TradeReceivableFromAccumulatedFactored",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trade Receivable From Accumulated Factored",
        "terseLabel": "Trade receivable from accumulated factored",
        "documentation": "Trade receivable from accumulated factored."
       }
      }
     },
     "auth_ref": []
    },
    "asx_TradeReceivableFromFinanced": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TradeReceivableFromFinanced",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trade Receivable From Financed",
        "terseLabel": "Trade receivable from financed",
        "documentation": "Trade receivable from financed."
       }
      }
     },
     "auth_ref": []
    },
    "asx_TradeReceivableMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TradeReceivableMember",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trade Receivable [Member]",
        "terseLabel": "Trade receivable [member]",
        "documentation": "Trade receivable."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TradeReceivables": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TradeReceivables",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfTradeReceivablesNetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trade receivables",
        "terseLabel": "Trade receivables"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount due from customers for goods and services sold."
       }
      }
     },
     "auth_ref": [
      "r685",
      "r693"
     ]
    },
    "ifrs-full_TradeReceivablesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TradeReceivablesMember",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceForCurrentFinancialAssetsAtFvtociDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfLossAllowanceOfTradeReceivablesBasedOnGroupsProvisionMatrixDetail",
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfMovementsOfLossAllowanceOfTradeReceivablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trade receivables [member]",
        "terseLabel": "Classes of financial assets [domain]",
        "verboseLabel": "Trade receivables [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for trade receivables. [Refer: Trade receivables]"
       }
      }
     },
     "auth_ref": [
      "r281",
      "r285",
      "r501",
      "r504",
      "r649",
      "r851"
     ]
    },
    "asx_TradeReceivablesPledgedAsSecurity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TradeReceivablesPledgedAsSecurity",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/AssetsPledgedAsCollateralOrForSecuritySummaryOfAssetsPledgedAsCollateralOrForSecurityDetail": {
       "parentTag": "ifrs-full_AssetsHeldAsCollateralPermittedToBeSoldOrRepledgedAtFairValue",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/AssetsPledgedAsCollateralOrForSecuritySummaryOfAssetsPledgedAsCollateralOrForSecurityDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trade Receivables Pledged As Security",
        "terseLabel": "Trade receivables",
        "documentation": "Trade receivables pledged as security."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_TradingArrAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TradingArrAxis",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement [Axis]",
        "terseLabel": "Trading Arrangement:"
       }
      }
     },
     "auth_ref": [
      "r787"
     ]
    },
    "ecd_TradingArrByIndTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TradingArrByIndTable",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangements, by Individual [Table]",
        "terseLabel": "Trading Arrangements, by Individual"
       }
      }
     },
     "auth_ref": [
      "r789"
     ]
    },
    "dei_TradingSymbol": {
     "xbrltype": "tradingSymbolItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "TradingSymbol",
     "presentation": [
      "http://www.aseglobal.com/role/CoverPage"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Symbol",
        "documentation": "Trading symbol of an instrument as listed on an exchange."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TransferFromToInventoriesAndOwnerOccupiedPropertyInvestmentProperty": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TransferFromToInventoriesAndOwnerOccupiedPropertyInvestmentProperty",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfInvestmentPropertiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Transfer from (to) inventories and owner-occupied property, investment property",
        "verboseLabel": "Reclassification"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount transferred from (to) inventories and owner-occupied property to (from) investment property. [Refer: Inventories; Investment property]"
       }
      }
     },
     "auth_ref": [
      "r120",
      "r128",
      "r449",
      "r456"
     ]
    },
    "ifrs-full_TransfersIntoLevel3OfFairValueHierarchyAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TransfersIntoLevel3OfFairValueHierarchyAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFinancialAssetsMeasuredAtLevel3FairValueDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Transfers into Level 3 of fair value hierarchy, assets",
        "terseLabel": "Transferred out of Level 3"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of transfers of assets into Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]]"
       }
      }
     },
     "auth_ref": [
      "r196"
     ]
    },
    "ecd_TrdArrAdoptionDate": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TrdArrAdoptionDate",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement Adoption Date",
        "terseLabel": "Adoption Date"
       }
      }
     },
     "auth_ref": [
      "r790"
     ]
    },
    "ecd_TrdArrDuration": {
     "xbrltype": "durationItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TrdArrDuration",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement Duration",
        "terseLabel": "Arrangement Duration"
       }
      }
     },
     "auth_ref": [
      "r791"
     ]
    },
    "ecd_TrdArrExpirationDate": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TrdArrExpirationDate",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement Expiration Date",
        "terseLabel": "Expiration Date"
       }
      }
     },
     "auth_ref": [
      "r791"
     ]
    },
    "ecd_TrdArrIndName": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TrdArrIndName",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement, Individual Name",
        "terseLabel": "Name"
       }
      }
     },
     "auth_ref": [
      "r789"
     ]
    },
    "ecd_TrdArrIndTitle": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TrdArrIndTitle",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement, Individual Title",
        "terseLabel": "Title"
       }
      }
     },
     "auth_ref": [
      "r789"
     ]
    },
    "ecd_TrdArrSecuritiesAggAvailAmt": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TrdArrSecuritiesAggAvailAmt",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement, Securities Aggregate Available Amount",
        "terseLabel": "Aggregate Available"
       }
      }
     },
     "auth_ref": [
      "r792"
     ]
    },
    "ecd_TrdArrTerminationDate": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "TrdArrTerminationDate",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Arrangement Termination Date",
        "terseLabel": "Termination Date"
       }
      }
     },
     "auth_ref": [
      "r790"
     ]
    },
    "ifrs-full_TreasuryShares": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TreasuryShares",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent",
       "weight": -1.0,
       "order": 50.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Treasury shares",
        "negatedLabel": "Treasury shares"
       }
      },
      "en": {
       "role": {
        "documentation": "An entity\u2019s own equity instruments, held by the entity or other members of the consolidated group."
       }
      }
     },
     "auth_ref": [
      "r82",
      "r687",
      "r695"
     ]
    },
    "ifrs-full_TreasurySharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TreasurySharesMember",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Treasury shares [member]",
        "terseLabel": "Treasury shares [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the entity\u2019s own equity instruments, held by the entity or other members of the consolidated group."
       }
      }
     },
     "auth_ref": [
      "r546"
     ]
    },
    "asx_TreasuryStockTransactions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TreasuryStockTransactions",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail": {
       "parentTag": "asx_SharePremiumMayBeUsedToOffsetDeficitDistributedAsCashDividendsOrTransferredToShareCapital",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfCapitalSurplusDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Treasury stock transactions",
        "terseLabel": "Treasury share transactions",
        "documentation": "Treasury stock transactions."
       }
      }
     },
     "auth_ref": []
    },
    "asx_TrinomialTreeModelMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TrinomialTreeModelMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfFairValueUsingTrinomialTreeModelAndInputsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trinomial Tree Model [member]",
        "documentation": "Trinomial tree model."
       }
      }
     },
     "auth_ref": []
    },
    "asx_TwFutureHomecareIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TwFutureHomecareIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "TW Future Homecare Inc [Member]",
        "terseLabel": "TW Future Homecare Inc.[Member]",
        "documentation": "Tw future homecare inc."
       }
      }
     },
     "auth_ref": []
    },
    "asx_TwoThousandAndTwentyFourGrantedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TwoThousandAndTwentyFourGrantedMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfOutstandingRestrictedSharesAtBalanceSheetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Two Thousand And Twenty Four Granted [Member]",
        "terseLabel": "2023 granted [Member]",
        "documentation": "Two thousand and twenty four granted."
       }
      }
     },
     "auth_ref": []
    },
    "asx_TwoThousandAndTwentyThreeGrantedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TwoThousandAndTwentyThreeGrantedMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfOutstandingRestrictedSharesAtBalanceSheetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Two Thousand And Twenty Three Granted [Member]",
        "terseLabel": "2024 granted [Member]",
        "documentation": "Two thousand and twenty three granted."
       }
      }
     },
     "auth_ref": []
    },
    "asx_TwoThousandAndTwentyThreeShareOptionsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TwoThousandAndTwentyThreeShareOptionsMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfUsishSOutstandingShareOptionsBalanceSheetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Two Thousand And Twenty Three Share Options [Member]",
        "terseLabel": "2023 share options [member]",
        "documentation": "Two thousand and twenty three share options."
       }
      }
     },
     "auth_ref": []
    },
    "asx_TwoThousandAndTwentyTwoShareOptionsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TwoThousandAndTwentyTwoShareOptionsMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfUsishSOutstandingShareOptionsBalanceSheetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Two Thousand And Twenty Two Share Options [Member]",
        "terseLabel": "2022 share options [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_TwoThousandFifteenShareOptionsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "TwoThousandFifteenShareOptionsMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfUsishSOutstandingShareOptionsBalanceSheetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Two Thousand Fifteen Share Options [Member]",
        "terseLabel": "2015 share options [member]",
        "documentation": "Two thousand fifteen share options."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TypesOfContractsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfContractsAxis",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail",
      "http://www.aseglobal.com/role/RelatedPartyTransactionsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfRealizedAndUnrealizedForeignExchangeGainLossDetail",
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Types of contracts [axis]",
        "terseLabel": "Types of contracts [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r639",
      "r642",
      "r671"
     ]
    },
    "ifrs-full_TypesOfContractsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfContractsDomain",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail",
      "http://www.aseglobal.com/role/RelatedPartyTransactionsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfRealizedAndUnrealizedForeignExchangeGainLossDetail",
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Types of contracts [domain]",
        "terseLabel": "Types of contracts [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all types of contracts with customers. It also represents the standard value for the 'Types of contracts' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r639",
      "r642",
      "r671"
     ]
    },
    "ifrs-full_TypesOfHedgesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfHedgesAxis",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesItemsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Types of hedges [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r271",
      "r273",
      "r275",
      "r495",
      "r497",
      "r499"
     ]
    },
    "ifrs-full_TypesOfHedgesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfHedgesDomain",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfDetailedInformationAboutHedgesItemsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Types of hedges [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all types of hedges. It also represents the standard value for the 'Types of hedges' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r271",
      "r273",
      "r275",
      "r495",
      "r497",
      "r499"
     ]
    },
    "ifrs-full_TypesOfInterestRatesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfInterestRatesAxis",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Types of interest rates [axis]",
        "terseLabel": "Types of interest rates [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r842"
     ]
    },
    "ifrs-full_TypesOfInterestRatesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfInterestRatesDomain",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfMaturityAnalysisForNonDerivativeFinancialLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Types of interest rates [domain]",
        "terseLabel": "Types of interest rates [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all types of interest rates. It also represents the standard value for the 'Types of interest rates' axis if no other member is used. [Refer: Interest rate risk [member]]"
       }
      }
     },
     "auth_ref": [
      "r842"
     ]
    },
    "ifrs-full_TypesOfInvestmentPropertyAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfInvestmentPropertyAxis",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesInvestmentPropertiesDepreciatedOnAStraightLineBasisOverUsefulLivesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Types of investment property [axis]",
        "terseLabel": "Types of investment property [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "ifrs-full_TypesOfInvestmentPropertyDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfInvestmentPropertyDomain",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesInvestmentPropertiesDepreciatedOnAStraightLineBasisOverUsefulLivesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Types of investment property [domain]",
        "terseLabel": "Types of investment property [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Types of investment property' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "ifrs-full_TypesOfRisksAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfRisksAxis",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfInterestRateRiskDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Types of risks [axis]",
        "terseLabel": "Types of risks [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r59",
      "r224",
      "r225",
      "r226",
      "r228",
      "r268",
      "r279",
      "r280",
      "r420"
     ]
    },
    "ifrs-full_TypesOfRisksDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfRisksDomain",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfInterestRateRiskDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Types of risks [domain]",
        "terseLabel": "Types of risks [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all types of risks. It also represents the standard value for the 'Types of risks' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r59",
      "r224",
      "r225",
      "r226",
      "r228",
      "r268",
      "r279",
      "r280",
      "r420"
     ]
    },
    "ifrs-full_TypesOfSharebasedPaymentArrangementsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfSharebasedPaymentArrangementsAxis",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfAseIncOptionPlansOutstandingShareOptionsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfFairValueUsingTrinomialTreeModelAndInputsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutEmployeeRestrictedStockAwardsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfOutstandingRestrictedSharesAtBalanceSheetDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfUsishSOutstandingShareOptionsBalanceSheetDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsTables",
      "http://www.aseglobal.com/role/SignificantEventsAfterReportingPeriodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Types of share-based payment arrangements [axis]",
        "terseLabel": "Types of share-based payment arrangements [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r243",
      "r471"
     ]
    },
    "ifrs-full_TypesOfSharebasedPaymentArrangementsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfSharebasedPaymentArrangementsDomain",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfAseIncOptionPlansOutstandingShareOptionsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfFairValueUsingTrinomialTreeModelAndInputsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutEmployeeRestrictedStockAwardsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfOutstandingRestrictedSharesAtBalanceSheetDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfUsishSOutstandingShareOptionsBalanceSheetDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsTables",
      "http://www.aseglobal.com/role/SignificantEventsAfterReportingPeriodAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Types of share-based payment arrangements [domain]",
        "terseLabel": "Types of share-based payment arrangements [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for an agreement between the entity or another group entity or any shareholder of the group entity and another party (including an employee) that entitles the other party to receive (a) cash or other assets of the entity for amounts that are based on the price (or value) of equity instruments (including shares or share options) of the entity or another group entity; or (b) equity instruments (including shares or share options) of the entity or another group entity, provided that the specified vesting conditions, if any, are met. It also represents the standard value for the 'Types of share-based payment arrangements' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r243",
      "r471"
     ]
    },
    "asx_UGHKMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UGHKMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "UGHK [Member]",
        "terseLabel": "UGHK [Member]",
        "documentation": "UGHK."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UGTWInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UGTWInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "UGTW [Member]",
        "documentation": "UGTW Investor."
       }
      }
     },
     "auth_ref": []
    },
    "country_US": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/country/2025",
     "localname": "US",
     "presentation": [
      "http://www.aseglobal.com/role/OperatingSegmentsInformationSummaryOfGeographicalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "UNITED STATES",
        "terseLabel": "United States [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "currency_USD": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/currency/2025",
     "localname": "USD",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfRealizedAndUnrealizedForeignExchangeGainLossDetail",
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "United States of America, Dollars",
        "terseLabel": "US Dollar [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_USDACCUMETAUWMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "USDACCUMETAUWMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "USD ACCU META UW [Member]",
        "terseLabel": "USD ACCU"
       }
      }
     },
     "auth_ref": []
    },
    "asx_USDollarEqualsToChineseYuanMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "USDollarEqualsToChineseYuanMember",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "US dollar equals to chinese yuan [member]",
        "terseLabel": "US dollar equals to Chinese yuan [member]",
        "documentation": "US dollar equals to Chinese yuan."
       }
      }
     },
     "auth_ref": []
    },
    "asx_USIAmericaIncMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "USIAmericaIncMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "U S I America Inc. [member]",
        "terseLabel": "USI America Inc. [member]",
        "documentation": "USI America Inc."
       }
      }
     },
     "auth_ref": []
    },
    "asx_USIElectronicsShenzhenCoLtdUsiszMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "USIElectronicsShenzhenCoLtdUsiszMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "U S I Electronics ( Shenzhen) Co Ltd USISZ [Member]",
        "terseLabel": "USI Electronics (Shenzhen) Co., Ltd. (\"USISZ\") [member]",
        "documentation": "USI Electronics (Shenzhen) Co Ltd(\"USISZ\")."
       }
      }
     },
     "auth_ref": []
    },
    "asx_USIEnterpriseLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "USIEnterpriseLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "USI Enterprise Limited [member]",
        "terseLabel": "USI Enterprise Limited (\"USIE\") [member]",
        "documentation": "USI Enterprise Limited."
       }
      }
     },
     "auth_ref": []
    },
    "asx_USIINCInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "USIINCInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "USIINC Investor [Member]",
        "terseLabel": "USIINC [Member]",
        "documentation": "USIINC Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_USIJapanCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "USIJapanCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "U S I Japan Co., Ltd. [member]",
        "terseLabel": "USI Japan Co., Ltd. [member]",
        "documentation": "USI Japan Co., Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_USISHBondsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "USISHBondsMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "USISH Bonds [Member]",
        "documentation": "USISH bonds."
       }
      }
     },
     "auth_ref": []
    },
    "asx_USISHEmployeesRestrictedSharePlanTwoThousandandTwentyThreeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "USISHEmployeesRestrictedSharePlanTwoThousandandTwentyThreeMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "USISH Employees Restricted Share Plan Two Thousand and Twenty Three [Member]",
        "documentation": "USISH employees restricted share plan two thousand and twenty three."
       }
      }
     },
     "auth_ref": []
    },
    "asx_USISHInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "USISHInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "USISH Investor [Member]",
        "terseLabel": "USISH [Member]",
        "documentation": "USISH Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_USISHMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "USISHMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/EquityTransactionWithNonControllingInterestsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "USISH [Member]",
        "verboseLabel": "USISH [member]",
        "terseLabel": "USISH [Member]",
        "documentation": "USISH member"
       }
      }
     },
     "auth_ref": []
    },
    "asx_USISHOptionPlansMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "USISHOptionPlansMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfOutstandingRestrictedSharesAtBalanceSheetDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfUsishSOutstandingShareOptionsBalanceSheetDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "USISH Option Plans [member]",
        "terseLabel": "USISH option plans [member]",
        "documentation": "USISH option plans."
       }
      }
     },
     "auth_ref": []
    },
    "asx_USISZMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "USISZMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "USISZ [Member]",
        "documentation": "Usisz."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UnamortizedArrangementFee": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnamortizedArrangementFee",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBankLoansDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unamortized Arrangement Fee",
        "terseLabel": "Less: unamortized arrangement fee",
        "documentation": "Unamortized Arrangement Fee"
       }
      }
     },
     "auth_ref": []
    },
    "asx_UnamortizedDiscountsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnamortizedDiscountsMember",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfBillsPayableDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unamortized discounts [member]",
        "terseLabel": "Unamortized Discounts [member]",
        "documentation": "Unamortized discounts."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UnappropriatedEarnings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnappropriatedEarnings",
     "crdr": "credit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets": {
       "parentTag": "ifrs-full_RetainedEarnings",
       "weight": 1.0,
       "order": 57.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedBalanceSheets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unappropriated earnings",
        "terseLabel": "Unappropriated earnings",
        "documentation": "Unappropriated earnings."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UnappropriatedEarningsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnappropriatedEarningsMember",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unappropriated earnings [member]",
        "terseLabel": "Unappropriated earnings [member]",
        "documentation": "Unappropriated earnings."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UnconvertedBondRedemptionThresholdAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnconvertedBondRedemptionThresholdAmount",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unconverted Bond Redemption Threshold Amount",
        "terseLabel": "Unconverted bond redemption threshold amount",
        "documentation": "Unconverted bond redemption threshold amount."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UnconvertedBondsRedemptionThresholdPercentage": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnconvertedBondsRedemptionThresholdPercentage",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unconverted Bonds Redemption Threshold Percentage",
        "terseLabel": "Unconverted bonds redemption threshold percentage",
        "documentation": "Unconverted bonds redemption threshold percentage."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UnconvertedUsishBondsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnconvertedUsishBondsMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unconverted USISH Bonds [Member]",
        "documentation": "Unconverted USISH bonds member."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_UndiscountedOperatingLeasePaymentsToBeReceived": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "UndiscountedOperatingLeasePaymentsToBeReceived",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentPropertiesSummaryOfMaturityAnalysisOfOperatingLeasePaymentsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Undiscounted operating lease payments to be received",
        "verboseLabel": "Undiscounted operating lease payments to be received"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of undiscounted operating lease payments to be received. Operating lease is a lease that does not transfer substantially all the risks and rewards incidental to ownership of an underlying asset."
       }
      }
     },
     "auth_ref": [
      "r217",
      "r351"
     ]
    },
    "ifrs-full_UndrawnBorrowingFacilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "UndrawnBorrowingFacilities",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantContingentLiabilitiesAndUnrecognizedCommitmentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Undrawn borrowing facilities",
        "terseLabel": "Unused letters of credit"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of undrawn borrowing facilities that may be available for future operating activities and to settle capital commitments. [Refer: Capital commitments]"
       }
      }
     },
     "auth_ref": [
      "r631"
     ]
    },
    "ecd_UndrlygSecurityMktPriceChngPct": {
     "xbrltype": "pureItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "UndrlygSecurityMktPriceChngPct",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Underlying Security Market Price Change, Percent",
        "terseLabel": "Underlying Security Market Price Change"
       }
      }
     },
     "auth_ref": [
      "r786"
     ]
    },
    "asx_UnearnedEmployeeBenefitMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnearnedEmployeeBenefitMember",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unearned Employee Benefit [Member]",
        "terseLabel": "Unearned employee benefit [member]",
        "documentation": "Unearned employee benefit."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UnearnedEmployeeCompensation": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnearnedEmployeeCompensation",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfUnearnedEmployeeCompensationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unearned Employee Compensation",
        "periodStartLabel": "Balance at January 1",
        "periodEndLabel": "Balance at December 31",
        "documentation": "Unearned employee compensation."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UnearnedEmployeeCompensationValuationAdjustment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnearnedEmployeeCompensationValuationAdjustment",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/EquitySummaryOfUnearnedEmployeeCompensationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unearned Employee Compensation Valuation Adjustment",
        "terseLabel": "Valuation adjustments",
        "documentation": "Unearned employee compensation valuation adjustment."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UnitechHoldingsInternationalCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnitechHoldingsInternationalCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unitech Holdings International Co., Ltd. [member]",
        "terseLabel": "Unitech Holdings International Co., Ltd. [member]",
        "documentation": "Unitech Holdings International Co., Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalABITHoldingCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalABITHoldingCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal A B I T Holding Co., Ltd. [member]",
        "terseLabel": "Universal ABIT Holding Co., Ltd. [member]",
        "documentation": "Universal ABIT Holding Co., Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalAmpleTechnologyCoLimitedInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalAmpleTechnologyCoLimitedInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Ample Technology Co Limited Investor [Member]",
        "terseLabel": "Universal Ample Technology Co., Limited [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalAmpleTechnologyCoLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalAmpleTechnologyCoLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Ample Technology Co Limited [Member]",
        "terseLabel": "Universal Ample Technology Co., Limited [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalGlobalElectronicsShanghaiCoLtdInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalGlobalElectronicsShanghaiCoLtdInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Global Electronics Shanghai Co Ltd Investor [Member]",
        "terseLabel": "Universal Global Electronics (Shanghai) Co., Ltd. [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalGlobalElectronicsShanghaiCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalGlobalElectronicsShanghaiCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Global Electronics Shanghai Co Ltd [Member]",
        "verboseLabel": "Universal Global Electronics (Shanghai) Co., Ltd. [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalGlobalIndustrialCo.LimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalGlobalIndustrialCo.LimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Global Industrial Co., Limited [Member]",
        "documentation": "Universal Global Industrial Co., Limited"
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalGlobalIndustrialCoLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalGlobalIndustrialCoLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Global Industrial Co., Limited [member]",
        "terseLabel": "Universal Global Industrial Co., Limited [member]",
        "documentation": "Universal Global Industrial Co., Limited."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalGlobalScientificIndustrialCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalGlobalScientificIndustrialCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Global Scientific Industrial Co., Ltd. [member]",
        "verboseLabel": "Universal Global Scientific Industrial Co., Ltd. (\"UGTW\") [member]",
        "documentation": "Universal Global Scientific Industrial Co., Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalGlobalTechnologyCo.LimitedugtMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalGlobalTechnologyCo.LimitedugtMember",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Global Technology Co., Limited (UGT) [member]",
        "documentation": "Universal Global Technology Co., Limited (\"UGT\")."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalGlobalTechnologyCoLimitedInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalGlobalTechnologyCoLimitedInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Global Technology Co Limited Investor [Member]",
        "terseLabel": "Universal Global Technology Co., Limited [Member]",
        "documentation": "Universal Global Technology Co Limited Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalGlobalTechnologyCoLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalGlobalTechnologyCoLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/BusinessCombinationsAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Global Technology Co Limited [Member]",
        "definitionGuidance": "Universal Global Technology Co., Limited [member]",
        "documentation": "Universal global technology co limited member."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalGlobalTechnologyHuizhouCo.Ltd.Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalGlobalTechnologyHuizhouCo.Ltd.Member",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Global Technology (Huizhou) Co., Ltd. [Member]",
        "terseLabel": "Universal Global Technology (Huizhou) Co., Ltd. [member]",
        "documentation": "Universal global technology (huizhou) co., ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalGlobalTechnologyKunshanCo.Ltd.ugksMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalGlobalTechnologyKunshanCo.Ltd.ugksMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Global Technology (Kunshan) Co., Ltd. (UGKS) [Member]",
        "terseLabel": "Universal Global Technology (Kunshan) Co., Ltd. (\"UGKS\") [member]",
        "documentation": "Universal Global Technology (Kunshan) Co., Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalGlobalTechnologyShanghaiCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalGlobalTechnologyShanghaiCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Global Technology ( Shanghai) Co., Ltd. [member]",
        "terseLabel": "Universal Global Technology (Shanghai) Co., Ltd. [member]",
        "documentation": "Universal Global Technology (Shanghai) Co., Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalOptoeletronicsCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalOptoeletronicsCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Optoelectronics Co., Ltd"
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalScientificIndustrialCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalScientificIndustrialCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Scientific Industrial Co., Ltd. [member]",
        "terseLabel": "Universal Scientific Industrial Co., Ltd. [member]",
        "documentation": "Universal Scientific Industrial Co., Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalScientificIndustrialDeMexicoSADeCVMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalScientificIndustrialDeMexicoSADeCVMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Scientific Industrial De Mexico S. A. De C. V. [member]",
        "terseLabel": "Universal Scientific Industrial De Mexico S.A. De C.V. [member]",
        "documentation": "Universal Scientific Industrial De Mexico S.A. De C.V."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalScientificIndustrialFranceMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalScientificIndustrialFranceMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Scientific Industrial France [Member]",
        "terseLabel": "Universal Scientific Industrial (France) [Member]",
        "verboseLabel": "Universal Scientific Industrial (France) [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalScientificIndustrialPolandSpZooMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalScientificIndustrialPolandSpZooMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Scientific Industrial Poland Sp Zoo [Member]",
        "terseLabel": "Universal Scientific Industrial Poland Sp. z o.o. (\"USIPL\") [member]",
        "documentation": "Universal scientific industrial poland sp zoo."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalScientificIndustrialShanghaiCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalScientificIndustrialShanghaiCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Scientific Industrial (Shanghai) Co., Ltd [member]",
        "terseLabel": "Universal Scientific Industrial (Shanghai) Co., Ltd. (\"USISH\") [member]",
        "documentation": "Universal Scientific Industrial (Shanghai) Co., Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UniversalScientificIndustrialVietnamCompanyLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UniversalScientificIndustrialVietnamCompanyLimitedMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Universal Scientific Industrial Vietnam Company Limited [Member]",
        "verboseLabel": "UNIVERSAL SCIENTIFIC INDUSTRIAL VIETNAM COMPANY LIMITED [member]",
        "documentation": "Universal Scientific Industrial Vietnam Company Limited."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UnquotedOrdinarySharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnquotedOrdinarySharesMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfInvestmentsInEquityInstrumentsAtFairValueThroughOtherComprehensiveIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unquoted ordinary shares [member]",
        "terseLabel": "Unquoted ordinary shares [member]",
        "documentation": "Unquoted ordinary shares."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UnquotedPreferredSharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnquotedPreferredSharesMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfInvestmentsInEquityInstrumentsAtFairValueThroughOtherComprehensiveIncomeDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unquoted preferred shares [member]",
        "terseLabel": "Unquoted preferred shares [member]",
        "documentation": "Unquoted preferred shares."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UnquotedSharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnquotedSharesMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfFinancialInstrumentsAtFairValueThroughProfitOrLossDetail",
      "http://www.aseglobal.com/role/FinancialInstrumentsSummaryOfFairValueOfFinancialInstrumentsThatAreMeasuredAtFairValueOnARecurringBasisDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unquoted Shares [member]",
        "verboseLabel": "Unquoted shares [member]",
        "terseLabel": "Unquoted ordinary shares [member]",
        "documentation": "Unquoted ordinary shares."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UnrealizedGainLossOnFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnrealizedGainLossOnFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember",
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfChangesInEquity",
      "http://www.aseglobal.com/role/EquitySummaryOfUnrealizedGainLossOnFinancialAssetsAtFvtociDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unrealized gain loss on financial assets at fair value through other comprehensive income [member]",
        "terseLabel": "Unrealized gain (loss) on financial assets at fair value through other comprehensive income [member]",
        "documentation": "Unrealized gain loss on financial assets at fair value through other comprehensive income."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UnrealizedLossOnEquityInvestmentsFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnrealizedLossOnEquityInvestmentsFairValueThroughOtherComprehensiveIncome",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome": {
       "parentTag": "ifrs-full_OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTax",
       "weight": -1.0,
       "order": 13.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/ConsolidatedStatementsOfComprehensiveIncome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unrealized loss on equity investments fair value through other comprehensive income",
        "negatedLabel": "Unrealized gain (loss) on equity instruments at fair value through other comprehensive income",
        "documentation": "Unrealized loss on equity investments fair value through other comprehensive income."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UnrecognizedDeferredTaxAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnrecognizedDeferredTaxAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnrecognizedDeferredTaxAssetsRelatedToLossCarryForwardInvestmentCreditsAndDeductibleTemporaryDifferencesDetail": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnrecognizedDeferredTaxAssetsRelatedToLossCarryForwardInvestmentCreditsAndDeductibleTemporaryDifferencesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unrecognized Deferred Tax Assets",
        "totalLabel": "Unrecognized deferred tax assets",
        "documentation": "Unrecognized deferred tax assets."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_UnsecuredBankLoansReceived": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "UnsecuredBankLoansReceived",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unsecured bank loans received",
        "terseLabel": "Unsecured bank loans, annual interest rates were 1.75%-6.96% and 1.70%-5.72% as of December 31, 2024 and 2025, respectively"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of loans received from banks that have not been secured by collateral. [Refer: Loans received]"
       }
      }
     },
     "auth_ref": [
      "r851"
     ]
    },
    "asx_UnsecuredCumulativeSubordinateCorporateBondsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnsecuredCumulativeSubordinateCorporateBondsMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAdditionalInformationDetail",
      "http://www.aseglobal.com/role/FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeSummaryOfInvestmentsInDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unsecured Cumulative Subordinate Corporate Bonds [Member]",
        "terseLabel": "Unsecured cumulative subordinate corporate bonds [member]",
        "documentation": "Unsecured cumulative subordinate corporate bonds."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UnsecuredLoanMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnsecuredLoanMember",
     "presentation": [
      "http://www.aseglobal.com/role/BorrowingsSummaryOfShortTermBorrowingsParentheticalDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unsecured Loan [Member]",
        "terseLabel": "Unsecured Loan [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_UnusedTaxCreditsExpirationDescription": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UnusedTaxCreditsExpirationDescription",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedInvestmentCreditsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unused tax credits expiration description",
        "terseLabel": "Expiry Year",
        "documentation": "Unused tax credits expiration description."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_UnusedTaxCreditsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "UnusedTaxCreditsMember",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail",
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedInvestmentCreditsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unused tax credits [member]",
        "terseLabel": "Unused tax credits [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for tax credits that have been received and are carried forward for use against future taxable profit."
       }
      }
     },
     "auth_ref": [
      "r10",
      "r392"
     ]
    },
    "ifrs-full_UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised",
     "calculation": {
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnrecognizedDeferredTaxAssetsRelatedToLossCarryForwardInvestmentCreditsAndDeductibleTemporaryDifferencesDetail": {
       "parentTag": "asx_UnrecognizedDeferredTaxAssets",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnrecognizedDeferredTaxAssetsRelatedToLossCarryForwardInvestmentCreditsAndDeductibleTemporaryDifferencesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unused tax losses for which no deferred tax asset recognised",
        "terseLabel": "Loss carry-forward"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of unused tax losses for which no deferred tax asset is recognised in the statement of financial position. [Refer: Unused tax losses [member]]"
       }
      }
     },
     "auth_ref": [
      "r6",
      "r389"
     ]
    },
    "ifrs-full_UnusedTaxLossesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "UnusedTaxLossesMember",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfMovementsOfDeferredTaxAssetsAndDeferredTaxLiabilitiesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Unused tax losses [member]",
        "terseLabel": "Unused tax losses [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for tax losses that have been incurred and are carried forward for use against future taxable profit."
       }
      }
     },
     "auth_ref": [
      "r10",
      "r392"
     ]
    },
    "asx_UsDollarEqualsToEuroMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UsDollarEqualsToEuroMember",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Us Dollar Equals To Euro [Member]",
        "terseLabel": "Us Dollar Equals To Euro [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_UsDollarEqualsToNewTaiwanDollarMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UsDollarEqualsToNewTaiwanDollarMember",
     "presentation": [
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfRealizedAndUnrealizedForeignExchangeGainLossDetail",
      "http://www.aseglobal.com/role/SignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesSummaryOfSignificantAssetsAndLiabilitiesDenominatedInForeignCurrenciesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "US dollar equals to new Taiwan dollar [member]",
        "terseLabel": "US dollar equals to New Taiwan dollar [member]",
        "documentation": "US dollar equals to new Taiwan dollar."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UsdCbaNvdaMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UsdCbaNvdaMember",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAtFairValueThroughProfitOrLossFvtplSummaryOfOutstandingContractsNotAccountedForHedgeAccountingDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "USD CBA [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_UsiScienceAndTechnologyshenzhenCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UsiScienceAndTechnologyshenzhenCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "USI Science and Technology Shenzhen Co Ltd [Member]",
        "terseLabel": "USI Science and Technology (Shenzhen) Co., Ltd. [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_UsieInvestorMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UsieInvestorMember",
     "presentation": [
      "http://www.aseglobal.com/role/BondsPayableAdditionalInformationDetail",
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "USIE Investor [Member]",
        "terseLabel": "USIE [Member]",
        "documentation": "USIE Investor."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UsiincMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UsiincMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "USIINC [Member]",
        "verboseLabel": "USI Inc. (\"USIINC\") [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_UsishEmployeeStockOwnershipPlanRestrictedSharesTwoThousandAndTwentyFourMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UsishEmployeeStockOwnershipPlanRestrictedSharesTwoThousandAndTwentyFourMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfFairValueUsingTrinomialTreeModelAndInputsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Usish Employee Stock Ownership Plan Restricted Shares Two Thousand And Twenty Four [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_UsishSecondShareOptionPlanMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UsishSecondShareOptionPlanMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "USISH Second Share Option Plan [Member]",
        "terseLabel": "USISH second share option plan [member]",
        "documentation": "USISH second share option plan."
       }
      }
     },
     "auth_ref": []
    },
    "asx_UsishTwoThousandAndTwentyAndTwentyThreeShareOptionsPlanMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "UsishTwoThousandAndTwentyAndTwentyThreeShareOptionsPlanMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "USISH Two Thousand and Twenty and Twenty Three Share Options Plan [Member]",
        "terseLabel": "USISH Two Thousand and Twenty and Twenty Three Share Options Plan [Member]",
        "documentation": "USISH two thousand and twenty and twenty three share options plan."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ValueAtRisk": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ValueAtRisk",
     "presentation": [
      "http://www.aseglobal.com/role/FinancialInstrumentsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Value at risk",
        "terseLabel": "Value at risk"
       }
      },
      "en": {
       "role": {
        "documentation": "The measure of a potential loss exposure as a result of future market movements, based on a specified confidence interval and measurement horizon."
       }
      }
     },
     "auth_ref": [
      "r843"
     ]
    },
    "ecd_VstngDtFrValOfEqtyAwrdsGrntdAndVstdInCvrdYrMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "VstngDtFrValOfEqtyAwrdsGrntdAndVstdInCvrdYrMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member]",
        "terseLabel": "Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year"
       }
      }
     },
     "auth_ref": [
      "r755"
     ]
    },
    "ifrs-full_WeightedAverageDurationOfDefinedBenefitObligation2019": {
     "xbrltype": "durationItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageDurationOfDefinedBenefitObligation2019",
     "presentation": [
      "http://www.aseglobal.com/role/RetirementBenefitPlansAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average duration of defined benefit obligation",
        "terseLabel": "Average duration of the defined benefit obligation"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average duration of a defined benefit obligation. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r45"
     ]
    },
    "ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement2019",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of other equity instruments exercisable in share-based payment arrangement",
        "terseLabel": "Exercise Price Per Share, Options exercisable, end of year"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of other equity instruments (ie other than share options) exercisable in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r840"
     ]
    },
    "ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of other equity instruments exercised or vested in share-based payment arrangement",
        "terseLabel": "Exercise Price Per Share, Options exercised"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of other equity instruments (ie other than share options) exercised or vested in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r840"
     ]
    },
    "ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement2019",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of other equity instruments forfeited in share-based payment arrangement",
        "terseLabel": "Exercise Price Per Share, Options forfeited"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of other equity instruments (ie other than share options) forfeited in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r840"
     ]
    },
    "ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement2019",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of other equity instruments granted in share-based payment arrangement",
        "terseLabel": "Exercise Price Per Share, Options granted"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of other equity instruments (ie other than share options) granted in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r840"
     ]
    },
    "ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement2019",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutRestrictedSharesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of other equity instruments outstanding in share-based payment arrangement",
        "periodStartLabel": "Exercise Price Per Share, Beginning",
        "periodEndLabel": "Exercise Price Per Share, Ending"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r840"
     ]
    },
    "ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement2019",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of share options exercisable in share-based payment arrangement",
        "terseLabel": "Weighted average exercise price, Options exercisable, end of year",
        "verboseLabel": "Weighted average exercise price, Options exercisable, end of year"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of share options exercisable in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r239",
      "r469"
     ]
    },
    "asx_WeightedAverageExercisePriceOfShareOptionsExercised": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "WeightedAverageExercisePriceOfShareOptionsExercised",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of share options exercised",
        "terseLabel": "Weighted average exercise price of share options",
        "documentation": "Weighted average exercise price of share options exercised."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of share options exercised in share-based payment arrangement",
        "verboseLabel": "Weighted average exercise price, Options exercised",
        "terseLabel": "Weighted average exercise price options exercised"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of share options exercised in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r236",
      "r466"
     ]
    },
    "ifrs-full_WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement2019",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of share options expired in share-based payment arrangement",
        "verboseLabel": "Weighted average exercise price, Options expired",
        "terseLabel": "Weighted average exercise price, Options expired"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of share options expired in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r237",
      "r467"
     ]
    },
    "ifrs-full_WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement2019",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of share options forfeited in share-based payment arrangement",
        "verboseLabel": "Weighted average exercise price, Options forfeited",
        "terseLabel": "Weighted average exercise price, Options forfeited"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of share options forfeited in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r235",
      "r465"
     ]
    },
    "ifrs-full_WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement2019",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of share options granted in share-based payment arrangement",
        "verboseLabel": "Options granted",
        "terseLabel": "Weighted average exercise price options granted"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of share options granted in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r234",
      "r464"
     ]
    },
    "ifrs-full_WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfShareOptionsInSharebasedPaymentArrangementExercisedDuringPeriodAtDateOfExercise2019",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average share price for share options in share-based payment arrangement exercised during period at date of exercise",
        "terseLabel": "Weighted average share price for share options in share-based payment arrangement exercised during period at date of exercise"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average share price at the date of exercise for share options that are exercised in a share-based payment arrangement. [Refer: Types of share-based payment arrangements [domain]; Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r241"
     ]
    },
    "ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutUsishOptionPlansDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average exercise price of share options outstanding in share-based payment arrangement",
        "periodStartLabel": "Weighted average exercise price, Beginning balance",
        "periodEndLabel": "Weighted average exercise price, Ending balance"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average exercise price of share options outstanding in a share-based payment arrangement. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r233",
      "r238",
      "r463",
      "r468"
     ]
    },
    "ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageFairValueAtMeasurementDateShareOptionsGranted",
     "crdr": "credit",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfInformationAboutAseIncOptionPlansDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average fair value at measurement date, share options granted",
        "verboseLabel": "Fair value of options granted (NT$)"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average fair value of share options granted during the period at the measurement date. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r245"
     ]
    },
    "ifrs-full_WeightedAverageMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageMember",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsAdditionalInformationDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average [member]",
        "terseLabel": "Weighted average [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for an average in which each quantity to be averaged is assigned a weight that determines the relative effect of each quantity on the average."
       }
      }
     },
     "auth_ref": [
      "r199",
      "r223",
      "r635",
      "r636",
      "r844"
     ]
    },
    "asx_WeightedAverageRemainingContractualLifeOfOutstandingRestrictedShares2019": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "WeightedAverageRemainingContractualLifeOfOutstandingRestrictedShares2019",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfOutstandingRestrictedSharesAtBalanceSheetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted Average Remaining Contractual Life of Outstanding Restricted Shares 2019",
        "terseLabel": "Remaining Contractual Life (Years)",
        "documentation": "Weighted Average Remaining Contractual Life of Outstanding Restricted Shares 2019."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019": {
     "xbrltype": "durationItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfAseIncOptionPlansOutstandingShareOptionsDetail",
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfUsishSOutstandingShareOptionsBalanceSheetDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average remaining contractual life of outstanding share options",
        "verboseLabel": "Remaining Contractual Life (Years)",
        "disclosureGuidance": "Weighted average remaining contractual life of outstanding share options"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r242"
     ]
    },
    "ifrs-full_WeightedAverageSharePriceShareOptionsGranted2019": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageSharePriceShareOptionsGranted2019",
     "presentation": [
      "http://www.aseglobal.com/role/ShareBasedPaymentArrangementsSummaryOfFairValueUsingTrinomialTreeModelAndInputsDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average share price, share options granted",
        "verboseLabel": "Share price at the grant date"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average share price used as input to the option pricing model to calculate the fair value of share options granted. [Refer: Option pricing model [member]; Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r244"
     ]
    },
    "ifrs-full_WeightedAverageShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageShares",
     "presentation": [
      "http://www.aseglobal.com/role/EarningsPerShareSummaryOfEarningsAndWeightedAverageNumberOfOrdinarySharesOutstandingInComputationOfEarningsPerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average number of ordinary shares outstanding",
        "terseLabel": "Weighted average number of ordinary shares in the computation of basic earnings per share"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor."
       }
      }
     },
     "auth_ref": [
      "r86"
     ]
    },
    "ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract",
     "presentation": [
      "http://www.aseglobal.com/role/EarningsPerShareSummaryOfEarningsAndWeightedAverageNumberOfOrdinarySharesOutstandingInComputationOfEarningsPerShareDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Weighted average ordinary shares and adjusted weighted average ordinary shares [abstract]",
        "terseLabel": "Effect of potentially dilutive ordinary shares:"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_WorkInProgress": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WorkInProgress",
     "crdr": "debit",
     "calculation": {
      "http://www.aseglobal.com/role/InventoriesSummaryOfInventoriesDetail": {
       "parentTag": "ifrs-full_Inventories",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.aseglobal.com/role/InventoriesSummaryOfInventoriesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Current work in progress",
        "terseLabel": "Work in process"
       }
      },
      "en": {
       "role": {
        "documentation": "A classification of current inventory representing the amount of assets currently in production, which require further processes to be converted into finished goods or services. [Refer: Current finished goods; Inventories]"
       }
      }
     },
     "auth_ref": [
      "r686",
      "r694",
      "r825"
     ]
    },
    "asx_WriteOffsAllowanceAccountForCreditLossesOfFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "WriteOffsAllowanceAccountForCreditLossesOfFinancialAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.aseglobal.com/role/TradeReceivablesNetSummaryOfMovementsOfLossAllowanceOfTradeReceivablesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Write offs Allowance Account For Credit Losses Of Financial Assets",
        "negatedLabel": "Amounts written off",
        "documentation": "Write-offs allowance account for credit losses of financial assets."
       }
      }
     },
     "auth_ref": []
    },
    "asx_WuxiTongzhiMicroelectronicsCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "WuxiTongzhiMicroelectronicsCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/SummaryOfMaterialAccountingPolicyInformationSummaryOfSubsidiariesDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Wuxi Tongzhi Microelectronics Co., Ltd. [member]",
        "terseLabel": "Wuxi Tongzhi Microelectronics Co., Ltd. [member]",
        "documentation": "Wuxi Tongzhi Microelectronics Co., Ltd."
       }
      }
     },
     "auth_ref": []
    },
    "asx_YannYuanInvestmentCoLtdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "YannYuanInvestmentCoLtdMember",
     "presentation": [
      "http://www.aseglobal.com/role/InvestmentsAccountedForUsingTheEquityMethodSummaryOfInvestmentsInAssociatesAccountedForUsingTheEquityMethodDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "YANN YUAN INVESTMENT CO., LTD [member]",
        "terseLabel": "Yann Yuan Investment Co., Ltd. [member]",
        "documentation": "YANN YUAN INVESTMENT CO., LTD [member]"
       }
      }
     },
     "auth_ref": []
    },
    "asx_YearFiveAndThereAfterMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "YearFiveAndThereAfterMember",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedLossCarryForwardDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Year Five And There After [Member]",
        "terseLabel": "2030 and thereafter [Member]",
        "documentation": "Year five and there after."
       }
      }
     },
     "auth_ref": []
    },
    "asx_YearFourMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "YearFourMember",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedLossCarryForwardDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Year Four [member]",
        "terseLabel": "2029 [member]",
        "documentation": "Year four."
       }
      }
     },
     "auth_ref": []
    },
    "asx_YearOneMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "YearOneMember",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedLossCarryForwardDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Year One [member]",
        "terseLabel": "2026 [member]",
        "documentation": "Year one."
       }
      }
     },
     "auth_ref": []
    },
    "asx_YearThreeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "YearThreeMember",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedLossCarryForwardDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Year Three [member]",
        "terseLabel": "2028 [member]",
        "documentation": "Year three."
       }
      }
     },
     "auth_ref": []
    },
    "asx_YearTwoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.aseglobal.com/20251231",
     "localname": "YearTwoMember",
     "presentation": [
      "http://www.aseglobal.com/role/IncomeTaxSummaryOfUnusedLossCarryForwardDetail"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Year Two [member]",
        "terseLabel": "2027 [member]",
        "documentation": "Year two."
       }
      }
     },
     "auth_ref": []
    },
    "ecd_YrEndFrValOfEqtyAwrdsGrntdInCvrdYrOutsdngAndUnvstdMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/ecd/2025",
     "localname": "YrEndFrValOfEqtyAwrdsGrntdInCvrdYrOutsdngAndUnvstdMember",
     "presentation": [
      "http://xbrl.sec.gov/ecd/role/PvpDisclosure"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member]",
        "terseLabel": "Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested"
       }
      }
     },
     "auth_ref": [
      "r753"
     ]
    }
   }
  }
 },
 "std_ref": {
  "r0": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "10",
   "IssueDate": "2025-01-01",
   "Paragraph": "21",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=10&code=ifrs-tx-2025-en-r&anchor=para_21&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r1": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_79&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r2": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r3": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "ab",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_ab&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r4": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "c",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_c_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r5": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "c",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_c_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r6": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r7": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r8": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "g",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_g_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r9": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "g",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_g_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r10": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_g&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r11": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS12_g79-88_TI",
   "URIDate": "2025-03-27"
  },
  "r12": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r13": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r14": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "e",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_e_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r15": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "e",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_e_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r16": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "e",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_e_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r17": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "e",
   "Clause": "v",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_e_v&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r18": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "e",
   "Clause": "vii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_e_vii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r19": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "e",
   "Clause": "viii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_e_viii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r20": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r21": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r22": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "74",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_74_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r23": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "74",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_74_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r24": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "75",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_75_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r25": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "75",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_75_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r26": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS16_g73-79_TI",
   "URIDate": "2025-03-27"
  },
  "r27": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "138",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_138&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r28": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "140",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_140_a_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r29": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "140",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_140_a_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r30": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "140",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_140_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r31": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "141",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_141_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r32": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "141",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_141_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r33": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "141",
   "Subparagraph": "c",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_141_c_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r34": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "141",
   "Subparagraph": "c",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_141_c_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r35": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "141",
   "Subparagraph": "c",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_141_c_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r36": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "141",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_141_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r37": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "141",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_141_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r38": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "141",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_141_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r39": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "141",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_141_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r40": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "141",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_141_g&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r41": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "142",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_142&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r42": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "145",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_145_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r43": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "145",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_145&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r44": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "147",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_147_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r45": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "147",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_147_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r46": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "148",
   "Subparagraph": "d",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_148_d_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r47": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "53",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_53&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r48": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Section": "Scope",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS19_g2-7_TI",
   "URIDate": "2025-03-27"
  },
  "r49": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "36",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2025-en-r&anchor=para_36_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r50": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "36",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2025-en-r&anchor=para_36_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r51": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "36",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2025-en-r&anchor=para_36_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r52": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "36",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2025-en-r&anchor=para_36_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r53": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "36",
   "Subparagraph": "h",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2025-en-r&anchor=para_36_h&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r54": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS02_g36-39_TI",
   "URIDate": "2025-03-27"
  },
  "r55": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "20",
   "IssueDate": "2025-01-01",
   "Paragraph": "39",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=20&code=ifrs-tx-2025-en-r&anchor=para_39_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r56": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "21",
   "IssueDate": "2025-01-01",
   "Paragraph": "52",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2025-en-r&anchor=para_52_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r57": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "21",
   "IssueDate": "2025-01-01",
   "Paragraph": "52",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2025-en-r&anchor=para_52_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r58": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "21",
   "IssueDate": "2025-01-01",
   "Paragraph": "A19",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2025-en-r&anchor=para_A19_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r59": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "21",
   "IssueDate": "2025-01-01",
   "Paragraph": "A19",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2025-en-r&anchor=para_A19_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r60": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "23",
   "IssueDate": "2025-01-01",
   "Paragraph": "26",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=23&code=ifrs-tx-2025-en-r&anchor=para_26_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r61": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "23",
   "IssueDate": "2025-01-01",
   "Paragraph": "26",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=23&code=ifrs-tx-2025-en-r&anchor=para_26_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r62": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "23",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=23&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS23_g26-26_TI",
   "URIDate": "2025-03-27"
  },
  "r63": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "24",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_17_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r64": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "24",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_17_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r65": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "24",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_17_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r66": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "24",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_17&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r67": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "24",
   "IssueDate": "2025-01-01",
   "Paragraph": "18",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_18&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r68": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "24",
   "IssueDate": "2025-01-01",
   "Paragraph": "19",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_19_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r69": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "24",
   "IssueDate": "2025-01-01",
   "Paragraph": "19",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_19&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r70": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "24",
   "IssueDate": "2025-01-01",
   "Section": "Disclosures",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS24_g13-24_TI",
   "URIDate": "2025-03-27"
  },
  "r71": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "26",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "b",
   "Clause": "v",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=26&code=ifrs-tx-2025-en-r&anchor=para_35_b_v&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r72": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "26",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "b",
   "Clause": "vii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=26&code=ifrs-tx-2025-en-r&anchor=para_35_b_vii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r73": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "26",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "b",
   "Clause": "viii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=26&code=ifrs-tx-2025-en-r&anchor=para_35_b_viii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r74": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "26",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=26&code=ifrs-tx-2025-en-r&anchor=para_35_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r75": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "27",
   "IssueDate": "2025-01-01",
   "Paragraph": "10",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_10&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r76": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "27",
   "IssueDate": "2025-01-01",
   "Paragraph": "16",
   "Subparagraph": "b",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_16_b_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r77": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "27",
   "IssueDate": "2025-01-01",
   "Paragraph": "16",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_16_b_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r78": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "27",
   "IssueDate": "2025-01-01",
   "Paragraph": "16",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_16_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r79": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "27",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "Subparagraph": "b",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_17_b_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r80": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "27",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_17_b_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r81": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "27",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_17_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r82": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "32",
   "IssueDate": "2025-01-01",
   "Paragraph": "34",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=32&code=ifrs-tx-2025-en-r&anchor=para_34&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r83": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "33",
   "IssueDate": "2025-01-01",
   "Paragraph": "66",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&anchor=para_66&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r84": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "33",
   "IssueDate": "2025-01-01",
   "Paragraph": "67",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&anchor=para_67&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r85": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "33",
   "IssueDate": "2025-01-01",
   "Paragraph": "70",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&anchor=para_70_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r86": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "33",
   "IssueDate": "2025-01-01",
   "Paragraph": "70",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&anchor=para_70_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r87": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "33",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS33_g70-73A_TI",
   "URIDate": "2025-03-27"
  },
  "r88": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "34",
   "IssueDate": "2025-01-01",
   "Paragraph": "16A",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=34&code=ifrs-tx-2025-en-r&anchor=para_16A_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r89": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "126",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_126_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r90": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "129",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_129_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r91": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "130",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_130_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r92": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "130",
   "Subparagraph": "d",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_130_d_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r93": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "130",
   "Subparagraph": "f",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_130_f_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r94": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "130",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_130_g&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r95": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "134",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_134_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r96": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "134",
   "Subparagraph": "d",
   "Clause": "v",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_134_d_v&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r97": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "134",
   "Subparagraph": "e",
   "Clause": "iiA",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_134_e_iiA&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r98": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "134",
   "Subparagraph": "e",
   "Clause": "v",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_134_e_v&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r99": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "134",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_134&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r100": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "135",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_135_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r101": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "37",
   "IssueDate": "2025-01-01",
   "Paragraph": "86",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2025-en-r&anchor=para_86&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r102": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r103": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r104": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "e",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_e_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r105": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "e",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_e_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r106": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "e",
   "Clause": "vi",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_e_vi&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r107": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "e",
   "Clause": "vii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_e_vii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r108": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r109": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r110": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "122",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_122_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r111": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "126",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_126&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r112": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS38_g118-128_TI",
   "URIDate": "2025-03-27"
  },
  "r113": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "39",
   "IssueDate": "2025-01-01",
   "Paragraph": "102",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=39&code=ifrs-tx-2025-en-r&anchor=para_102_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r114": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "39",
   "IssueDate": "2025-01-01",
   "Paragraph": "86",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=39&code=ifrs-tx-2025-en-r&anchor=para_86_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r115": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "32A",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_32A&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r116": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "75",
   "Subparagraph": "f",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_75_f_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r117": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "76",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_76_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r118": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "76",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_76_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r119": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "76",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_76_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r120": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "76",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_76_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r121": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "76",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_76&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r122": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_79_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r123": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_79_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r124": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "d",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_79_d_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r125": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "d",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_79_d_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r126": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "d",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_79_d_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r127": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "d",
   "Clause": "vi",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_79_d_vi&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r128": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "d",
   "Clause": "vii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_79_d_vii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r129": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_79_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r130": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS40_g74-79_TI",
   "URIDate": "2025-03-27"
  },
  "r131": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "41",
   "IssueDate": "2025-01-01",
   "Paragraph": "50",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=41&code=ifrs-tx-2025-en-r&anchor=para_50&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r132": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "41",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=41&code=ifrs-tx-2025-en-r&anchor=para_54_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r133": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "10",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_10&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r134": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "21",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_21&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r135": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "25",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_25&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r136": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_28&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r137": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_31&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r138": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r139": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "39",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_39&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r140": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "40",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_40_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r141": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "40",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_40_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r142": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "40",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_40_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r143": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "44B",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_44B_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r144": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "44H",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_44H_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r145": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "44H",
   "Subparagraph": "b",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_44H_b_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r146": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "44H",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_44H_b_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r147": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_45&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r148": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "50",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_50_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r149": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Section": "Presentation of a statement of cash flows",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS07_g10-17_TI",
   "URIDate": "2025-03-27"
  },
  "r150": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "f",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_f_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r151": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "29",
   "Subparagraph": "c",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=8&code=ifrs-tx-2025-en-r&anchor=para_29_c_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r152": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "30",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=8&code=ifrs-tx-2025-en-r&anchor=para_30_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r153": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "49",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=8&code=ifrs-tx-2025-en-r&anchor=para_49_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r154": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "24",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2025-en-r&anchor=para_24_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r155": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "24",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2025-en-r&anchor=para_24_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r156": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "32",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2025-en-r&anchor=para_32_a_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r157": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "32",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2025-en-r&anchor=para_32_a_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r158": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "10",
   "IssueDate": "2025-01-01",
   "Paragraph": "22",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=10&code=ifrs-tx-2025-en-r&anchor=para_22&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r159": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "12",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_12_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r160": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "12",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_12_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r161": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "12",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_12_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r162": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "18",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_18&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r163": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "19B",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_19B_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r164": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "19B",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_19B_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r165": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "2",
   "Subparagraph": "b",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_2_b_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r166": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "21",
   "Subparagraph": "a",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_21_a_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r167": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "21",
   "Subparagraph": "a",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_21_a_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r168": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "21",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_21_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r169": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "21",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_21_b_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r170": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "21",
   "Subparagraph": "c",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_21_c_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r171": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "21",
   "Subparagraph": "c",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_21_c_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r172": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B10_a&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r173": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B12_b_i&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r174": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B12_b_ii&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r175": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B12_b_iii&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r176": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B12_b_iv&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r177": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "Clause": "ix",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B12_b_ix&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r178": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "Clause": "v",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B12_b_v&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r179": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "Clause": "viii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B12_b_viii&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r180": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B13",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r181": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B13",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B13_d&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r182": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B13",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B13_e&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r183": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B13",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B13_f&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r184": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B13",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B13_g&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r185": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B16",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B16&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r186": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B4",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B4_a&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r187": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B4",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B4_b&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r188": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B4",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B4_c&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r189": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B4",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B4_d&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r190": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Section": "Nature of the risks associated with an entity's interests in consolidated structured entities",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IFRS12_g14-17_TI",
   "URIDate": "2025-03-27"
  },
  "r191": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r192": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r193": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "e",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_e_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r194": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "e",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_e_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r195": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "e",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_e_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r196": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "e",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_e_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r197": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r198": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r199": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "14",
   "IssueDate": "2025-01-01",
   "Paragraph": "33",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=14&code=ifrs-tx-2025-en-r&anchor=para_33_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r200": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "15",
   "IssueDate": "2025-01-01",
   "Paragraph": "105",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2025-en-r&anchor=para_105&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r201": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "15",
   "IssueDate": "2025-01-01",
   "Paragraph": "115",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2025-en-r&anchor=para_115&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r202": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "15",
   "IssueDate": "2025-01-01",
   "Paragraph": "116",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2025-en-r&anchor=para_116_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r203": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "15",
   "IssueDate": "2025-01-01",
   "Paragraph": "120",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2025-en-r&anchor=para_120_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r204": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "33",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_33&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r205": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "47",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_47_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r206": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "47",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_47_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r207": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "53",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_53_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r208": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "53",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_53_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r209": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "53",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_53_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r210": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "53",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_53_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r211": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "53",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_53_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r212": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "53",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_53_g&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r213": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "53",
   "Subparagraph": "h",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_53_h&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r214": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "53",
   "Subparagraph": "j",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_53_j&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r215": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "53",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_53&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r216": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "94",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_94&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r217": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "97",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_97&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r218": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IFRS16_g51-60_TI",
   "URIDate": "2025-03-27"
  },
  "r219": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Section": "Presentation",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IFRS16_g47-50_TI",
   "URIDate": "2025-03-27"
  },
  "r220": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "109",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_109&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r221": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "109A",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_109A&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r222": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "113",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_113_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r223": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "120",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_120&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r224": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "124",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_124&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r225": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "125",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_125&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r226": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "127",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_127&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r227": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "128",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_128_a_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r228": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "128",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_128_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r229": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "132",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_132_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r230": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "C32",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_C32&doctype=Appendix&subtype=C",
   "URIDate": "2025-03-27"
  },
  "r231": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_44&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r232": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r233": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r234": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "b",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_b_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r235": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_b_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r236": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "b",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_b_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r237": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "b",
   "Clause": "v",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_b_v&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r238": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "b",
   "Clause": "vi",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_b_vi&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r239": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "b",
   "Clause": "vii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_b_vii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r240": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r241": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r242": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r243": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r244": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "47",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_47_a_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r245": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "47",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_47_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r246": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "47",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_47_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r247": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_a&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r248": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_b&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r249": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r250": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "f",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_f_i&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r251": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_f&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r252": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "g",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_g_i&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r253": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "q",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_q_i&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r254": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "q",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_q_ii&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r255": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r256": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B65",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B65&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r257": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B67",
   "Subparagraph": "d",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B67_d_ii&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r258": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B67",
   "Subparagraph": "d",
   "Clause": "v",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B67_d_v&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r259": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B67",
   "Subparagraph": "d",
   "Clause": "vi",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B67_d_vi&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r260": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B67",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B67_d&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r261": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B67",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B67&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r262": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Section": "Disclosures",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IFRS03_g59-63_TI",
   "URIDate": "2025-03-27"
  },
  "r263": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Section": "Disclosures application of paragraphs 59 and 61",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&doctype=Appendix&subtype=B&dita_xref=IFRS03_gB64-B67_TI",
   "URIDate": "2025-03-27"
  },
  "r264": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "5",
   "IssueDate": "2025-01-01",
   "Paragraph": "33",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2025-en-r&anchor=para_33_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r265": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "11A",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_11A_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r266": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "15",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_15_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r267": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "20",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_20_a_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r268": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "21C",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_21C&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r269": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "23B",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_23B_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r270": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "24A",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_24A_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r271": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "24A",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_24A&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r272": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "24B",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_24B_a_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r273": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "24B",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_24B&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r274": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "24C",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_24C_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r275": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "24C",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_24C&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r276": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "24E",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_24E_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r277": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "25",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_25&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r278": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_31&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r279": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "33",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_33&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r280": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "34",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_34&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r281": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35H",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35H_b_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r282": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35H",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35H&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r283": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35I",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35I&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r284": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35K",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35K&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r285": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35M",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35M_b_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r286": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35M",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35M&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r287": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "36",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_36&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r288": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "39",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_39_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r289": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "39",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_39_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r290": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "42D",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_42D&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r291": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "42E",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_42E_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r292": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "42E",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_42E_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r293": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "42I",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_42I&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r294": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "6",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_6&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r295": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "7",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_7&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r296": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "8",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_8_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r297": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "8",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_8_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r298": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "8",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_8_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r299": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "8",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_8_g&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r300": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "8",
   "Subparagraph": "h",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_8_h&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r301": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "8",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_8&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r302": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B52",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B52&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r303": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Section": "Defined terms",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&doctype=Appendix&subtype=A&dita_xref=IFRS07_APPA_TI",
   "URIDate": "2025-03-27"
  },
  "r304": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Section": "Scope",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IFRS07_g3-5A_TI",
   "URIDate": "2025-03-27"
  },
  "r305": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "16",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_16&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r306": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r307": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r308": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r309": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r310": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23_g&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r311": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "Subparagraph": "h",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23_h&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r312": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r313": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "24",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_24_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r314": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "24",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_24_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r315": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r316": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r317": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r318": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r319": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r320": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r321": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "32",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_32&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r322": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "33",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_33_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r323": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "33",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_33_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r324": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "33",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_33&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r325": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "34",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_34&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r326": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IFRS08_g20-24_TI",
   "URIDate": "2025-03-27"
  },
  "r327": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "9",
   "IssueDate": "2025-01-01",
   "Paragraph": "3.2.23",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2025-en-r&anchor=para_3.2.23_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r328": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "9",
   "IssueDate": "2025-01-01",
   "Paragraph": "6.5.13",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2025-en-r&anchor=para_6.5.13_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r329": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "9",
   "IssueDate": "2025-01-01",
   "Paragraph": "7.2.34",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2025-en-r&anchor=para_7.2.34&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r330": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "9",
   "IssueDate": "2025-01-01",
   "Paragraph": "7.2.42",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2025-en-r&anchor=para_7.2.42&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r331": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2026-01-01",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "30A",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_30A_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r332": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "104",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_104&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r333": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "105",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_105_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r334": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "108",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_108_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r335": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "115",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_115_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r336": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "115",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_115_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r337": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "115",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_115_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r338": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "115",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_115_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r339": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "115",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_115_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r340": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "115",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_115_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r341": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "115",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_115_g&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r342": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "115",
   "Subparagraph": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_115_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r343": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "115",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_115&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r344": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "122",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_122_a_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r345": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "122",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_122_a_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r346": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "122",
   "Subparagraph": "a",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_122_a_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r347": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "122",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_122_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r348": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "124",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_124_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r349": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "124",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_124_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r350": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "124",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_124_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r351": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "124",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_124&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r352": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "128",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_128&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r353": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "129",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_129&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r354": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "133",
   "Subparagraph": "a",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_133_a_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r355": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "141",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_141_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r356": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "160",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_160_a_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r357": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "160",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_160_a_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r358": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "160",
   "Subparagraph": "a",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_160_a_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r359": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "160",
   "Subparagraph": "a",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_160_a_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r360": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "160",
   "Subparagraph": "a",
   "Clause": "vi",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_160_a_vi&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r361": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "160",
   "Subparagraph": "a",
   "Clause": "vii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_160_a_vii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r362": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "160",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_160_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r363": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "160",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_160_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r364": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "160",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_160&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r365": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "162",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_162_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r366": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "164",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_164_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r367": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "164",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_164_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r368": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "164",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_164_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r369": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "164",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_164_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r370": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "164",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_164_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r371": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "166",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_166_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r372": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "166",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_166&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r373": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "168",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_168_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r374": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "168",
   "Subparagraph": "b",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_168_b_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r375": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "168",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_168_b_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r376": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "169",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_169&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r377": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "176",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_176&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r378": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "178",
   "Subparagraph": "f",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_178_f_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r379": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "179",
   "Subparagraph": "c",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_179_c_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r380": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "180",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_180_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r381": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "182",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_182&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r382": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "186",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_186_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r383": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "190",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_190&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r384": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "192",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_192&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r385": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "194",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_194_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r386": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "194",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_194_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r387": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "194",
   "Subparagraph": "c",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_194_c_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r388": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "194",
   "Subparagraph": "c",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_194_c_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r389": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "194",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_194_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r390": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "194",
   "Subparagraph": "f",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_194_f_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r391": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "194",
   "Subparagraph": "f",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_194_f_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r392": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "194",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_194_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r393": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "200",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r394": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "200",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r395": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "200",
   "Subparagraph": "e",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_e_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r396": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "200",
   "Subparagraph": "e",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_e_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r397": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "200",
   "Subparagraph": "e",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_e_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r398": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "200",
   "Subparagraph": "e",
   "Clause": "v",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_e_v&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r399": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "200",
   "Subparagraph": "e",
   "Clause": "vii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_e_vii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r400": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "200",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r401": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "200",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r402": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "201",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_201_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r403": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "201",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_201_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r404": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "203",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_203&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r405": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "204",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_204&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r406": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "206",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_206_a_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r407": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "206",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_206_a_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r408": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "206",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_206_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r409": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "207",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_207_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r410": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "207",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_207_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r411": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "207",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_207_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r412": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "207",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_207_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r413": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "208",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_208_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r414": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "208",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_208&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r415": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "211",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_211_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r416": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "216",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_216_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r417": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "218",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_218_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r418": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "218",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_218_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r419": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "223",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_223_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r420": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "223",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_223_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r421": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "225",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_225_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r422": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "225",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_225_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r423": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "227",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_227&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r424": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "230",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_230&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r425": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "231",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_231_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r426": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "231",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_231&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r427": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "24",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_24_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r428": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "24",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_24_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r429": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "246",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_246_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r430": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "250",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_250_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r431": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "254",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_254_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r432": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "254",
   "Subparagraph": "d",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_254_d_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r433": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "254",
   "Subparagraph": "e",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_254_e_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r434": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "254",
   "Subparagraph": "f",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_254_f_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r435": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "254",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_254&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r436": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "255",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_255_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r437": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "259",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_259&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r438": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "263",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_263_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r439": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "263",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_263_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r440": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "263",
   "Subparagraph": "e",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_263_e_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r441": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "263",
   "Subparagraph": "e",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_263_e_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r442": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "263",
   "Subparagraph": "e",
   "Clause": "vi",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_263_e_vi&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r443": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "263",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_263_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r444": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "263",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_263&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r445": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "264",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_264_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r446": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "266",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_266&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r447": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "269",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_269_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r448": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "269",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_269_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r449": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "269",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_269_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r450": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "269",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_269&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r451": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "271",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_271_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r452": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "271",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_271_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r453": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "271",
   "Subparagraph": "d",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_271_d_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r454": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "271",
   "Subparagraph": "d",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_271_d_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r455": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "271",
   "Subparagraph": "d",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_271_d_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r456": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "271",
   "Subparagraph": "d",
   "Clause": "vi",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_271_d_vi&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r457": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "271",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_271_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r458": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "273",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_273&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r459": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "274",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_274_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r460": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_28_a_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r461": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_28_a_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r462": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r463": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r464": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "Subparagraph": "b",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_b_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r465": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_b_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r466": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "Subparagraph": "b",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_b_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r467": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "Subparagraph": "b",
   "Clause": "v",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_b_v&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r468": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "Subparagraph": "b",
   "Clause": "vi",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_b_vi&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r469": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "Subparagraph": "b",
   "Clause": "vii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_b_vii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r470": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r471": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r472": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_35_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r473": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_35_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r474": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_35_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r475": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "e",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_35_e_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r476": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_35_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r477": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "f",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_35_f_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r478": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_35&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r479": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "37",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_37_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r480": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "37",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_37_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r481": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "37",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_37&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r482": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "43",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_43&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r483": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_44_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r484": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_44_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r485": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "Subparagraph": "b",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_44_b_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r486": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_44_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r487": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_44_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r488": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_44_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r489": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "Subparagraph": "e",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_44_e_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r490": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "Subparagraph": "e",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_44_e_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r491": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_44_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r492": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_44&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r493": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "56",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_56_a_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r494": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "60",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_60_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r495": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "60",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_60&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r496": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "61",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_61_a_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r497": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "61",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_61&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r498": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "62",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_62_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r499": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "62",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_62&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r500": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "64A",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_64A_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r501": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "66",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_66_b_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r502": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "66",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_66&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r503": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "70",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_70&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r504": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "71",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_71_b_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r505": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "71",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_71&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r506": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "72",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_72_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r507": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "72",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_72_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r508": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_73&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r509": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "75",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_75_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r510": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "75",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_75_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r511": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "75",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_75_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r512": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "88",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_88_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r513": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "88",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_88_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r514": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "89",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_89&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r515": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "95",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_95_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r516": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "95",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_95_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r517": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "95",
   "Subparagraph": "d",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_95_d_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r518": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "95",
   "Subparagraph": "d",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_95_d_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r519": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "95",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_95&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r520": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B10_a_i&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r521": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B10_a_ii&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r522": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "Subparagraph": "a",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B10_a_iii&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r523": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "Subparagraph": "a",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B10_a_iv&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r524": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "Subparagraph": "a",
   "Clause": "vi",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B10_a_vi&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r525": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "Subparagraph": "a",
   "Clause": "vii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B10_a_vii&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r526": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B10_a&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r527": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B10_b&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r528": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B10&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r529": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B13",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B13&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r530": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B15",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B15&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r531": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B17",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B17_a&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r532": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B18",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B18_b&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r533": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B6",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B6&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r534": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B9",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B9_f&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r535": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expired 2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "22",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_22&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r536": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expired 2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "8",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_8_d&doctype=Standard&book=b",
   "URIDate": "2025-03-27"
  },
  "r537": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2026-01-01",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "11A",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-b&anchor=para_11A_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r538": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2026-01-01",
   "Name": "IFRS",
   "Number": "9",
   "IssueDate": "2025-01-01",
   "Paragraph": "7.2.49",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2025-en-r&anchor=para_7.2.49&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r539": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "103",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_103&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r540": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "104",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_104&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r541": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r542": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r543": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "Subparagraph": "d",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r544": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "Subparagraph": "d",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r545": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "Subparagraph": "d",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r546": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r547": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "117",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_117&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r548": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "125",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_125&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r549": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "134",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_134&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r550": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "137",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_137_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r551": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "138",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_138_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r552": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "16",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_16&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r553": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_35&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r554": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "41",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_41&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r555": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "51",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_51&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r556": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r557": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r558": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r559": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r560": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r561": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_g&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r562": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r563": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "n",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_n&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r564": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "o",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_o&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r565": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "q",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_q&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r566": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "r",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_r&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r567": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "55",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r568": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "56",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_56&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r569": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "61",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_61_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r570": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "61",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_61&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r571": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "66",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_66&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r572": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "69",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_69&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r573": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "7",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_7&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r574": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "78",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r575": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79_a_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r576": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79_a_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r577": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "a",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79_a_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r578": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "a",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79_a_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r579": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "a",
   "Clause": "vi",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79_a_vi&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r580": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "a",
   "Clause": "vii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79_a_vii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r581": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r582": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r583": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r584": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "81A",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_81A_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r585": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "81A",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_81A_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r586": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "81A",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_81A_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r587": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "81B",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_81B_a_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r588": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "81B",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_81B_a_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r589": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "81B",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_81B_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r590": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "81B",
   "Subparagraph": "b",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_81B_b_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r591": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "82",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_82_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r592": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "82",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_82_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r593": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "82",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_82_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r594": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "82",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_82_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r595": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "82A",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_82A&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r596": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "90",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_90&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r597": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "91",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_91_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r598": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "91",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_91_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r599": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "91",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_91&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r600": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "98",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_98_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r601": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "98",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_98_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r602": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "99",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_99&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r603": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "10",
   "IssueDate": "2025-01-01",
   "Paragraph": "22",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=10&code=ifrs-tx-2025-en-r&anchor=para_22_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r604": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "10",
   "IssueDate": "2025-01-01",
   "Paragraph": "22",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=10&code=ifrs-tx-2025-en-r&anchor=para_22_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r605": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "80",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_80_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r606": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "80",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_80_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r607": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "80",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_80_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r608": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "80",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_80_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r609": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "37",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_37_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r610": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "138",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_138_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r611": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "138",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_138_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r612": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "142",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_142_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r613": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "142",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_142_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r614": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "142",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_142_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r615": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "147",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_147_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r616": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "32",
   "IssueDate": "2025-01-01",
   "Paragraph": "IE33",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=32&code=ifrs-tx-2025-en-r&anchor=para_IE33&doctype=Illustrative%20Examples",
   "URIDate": "2025-03-27"
  },
  "r617": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "127",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_127&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r618": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "37",
   "IssueDate": "2025-01-01",
   "Paragraph": "87",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2025-en-r&anchor=para_87&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r619": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "37",
   "IssueDate": "2025-01-01",
   "Section": "D Examples: disclosures",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2025-en-r&doctype=Illustrative%20Examples&dita_xref=IAS37_IE_D_TI",
   "URIDate": "2025-03-27"
  },
  "r620": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "119",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_119_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r621": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "119",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_119_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r622": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "14",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_14_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r623": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "16",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_16_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r624": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "16",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_16_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r625": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_17_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r626": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "20",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_20&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r627": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "44B",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_44B&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r628": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "44C",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_44C&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r629": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "44D",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_44D&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r630": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "44H",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_44H_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r631": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "50",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_50_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r632": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Section": "A Statement of cash flows for an entity other than a financial institution",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&doctype=Illustrative%20Examples&dita_xref=IAS07_IE_A_TI",
   "URIDate": "2025-03-27"
  },
  "r633": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Section": "C Reconciliation of liabilities arising from financing activities",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&doctype=Illustrative%20Examples&dita_xref=IAS07_IE_C_TI",
   "URIDate": "2025-03-27"
  },
  "r634": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B10_b&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r635": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "B6",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_B6&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r636": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "IE63",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_IE63&doctype=Illustrative%20Examples",
   "URIDate": "2025-03-27"
  },
  "r637": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "15",
   "IssueDate": "2025-01-01",
   "Paragraph": "B89",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2025-en-r&anchor=para_B89_a&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r638": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "15",
   "IssueDate": "2025-01-01",
   "Paragraph": "B89",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2025-en-r&anchor=para_B89_b&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r639": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "15",
   "IssueDate": "2025-01-01",
   "Paragraph": "B89",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2025-en-r&anchor=para_B89_d&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r640": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "53",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_53&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r641": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "113",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_113_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r642": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "96",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_96_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r643": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "96",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_96_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r644": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "96",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_96_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r645": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r646": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "IG23",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_IG23&doctype=Implementation%20Guidance",
   "URIDate": "2025-03-27"
  },
  "r647": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_i&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r648": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "IE72",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_IE72&doctype=Illustrative%20Examples",
   "URIDate": "2025-03-27"
  },
  "r649": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35N",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35N&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r650": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "6",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_6&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r651": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B11",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B11_a&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r652": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B11",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B11_b&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r653": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B11",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B11_c&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r654": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B11",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B11_d&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r655": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B11",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B11&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r656": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B11D",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B11D_c&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r657": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B35",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B35_a&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r658": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B35",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B35_b&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r659": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B35",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B35_g&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r660": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B35",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B35&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r661": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "IG20B",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_IG20B&doctype=Implementation%20Guidance",
   "URIDate": "2025-03-27"
  },
  "r662": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "IG20D",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_IG20D&doctype=Implementation%20Guidance",
   "URIDate": "2025-03-27"
  },
  "r663": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "IG31A",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_IG31A&doctype=Implementation%20Guidance",
   "URIDate": "2025-03-27"
  },
  "r664": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "IG40B",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_IG40B&doctype=Implementation%20Guidance",
   "URIDate": "2025-03-27"
  },
  "r665": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r666": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r667": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r668": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "IG4",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_IG4&doctype=Implementation%20Guidance",
   "URIDate": "2025-03-27"
  },
  "r669": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "103",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_103_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r670": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "103",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_103_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r671": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "103",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_103_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r672": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "115",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_115&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r673": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "168",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_168_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r674": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "191",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_191_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r675": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "191",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_191_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r676": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "193",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_193_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r677": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "193",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_193_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r678": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "193",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_193_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r679": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "193",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_193_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r680": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "208",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_208_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r681": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "208",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_208_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r682": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "251",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_251&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r683": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r684": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_35_g&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r685": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B9",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B9_b&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r686": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B9",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B9_c&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r687": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B9",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B9_f&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r688": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "102",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_102&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r689": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "103",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_103&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r690": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "108",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_108&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r691": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "68",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_68&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r692": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "70",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_70&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r693": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "78",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r694": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "78",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r695": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "78",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r696": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "82A",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_82A&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r697": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "IG6",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_IG6&doctype=Implementation%20Guidance",
   "URIDate": "2025-03-27"
  },
  "r698": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12"
  },
  "r699": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b"
  },
  "r700": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r701": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "d1-1"
  },
  "r702": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 10-K",
   "Number": "249",
   "Section": "310"
  },
  "r703": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Number": "249",
   "Section": "220",
   "Subsection": "f"
  },
  "r704": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16",
   "Subsection": "J",
   "Paragraph": "a"
  },
  "r705": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K"
  },
  "r706": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "b",
   "Paragraph": "1"
  },
  "r707": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "b",
   "Paragraph": "1",
   "Subparagraph": "i"
  },
  "r708": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "b",
   "Paragraph": "1",
   "Subparagraph": "ii"
  },
  "r709": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "b",
   "Paragraph": "1",
   "Subparagraph": "iii"
  },
  "r710": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "b",
   "Paragraph": "2"
  },
  "r711": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "c",
   "Paragraph": "1"
  },
  "r712": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "c",
   "Paragraph": "2"
  },
  "r713": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "c",
   "Paragraph": "2",
   "Subparagraph": "i"
  },
  "r714": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "c",
   "Paragraph": "2",
   "Subparagraph": "ii"
  },
  "r715": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "16K",
   "Subsection": "c",
   "Paragraph": "2",
   "Subparagraph": "iii"
  },
  "r716": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1"
  },
  "r717": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "i"
  },
  "r718": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "A"
  },
  "r719": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "B"
  },
  "r720": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "C"
  },
  "r721": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "D"
  },
  "r722": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "E"
  },
  "r723": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "ii"
  },
  "r724": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "1",
   "Subparagraph": "iii"
  },
  "r725": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 20-F",
   "Section": "6",
   "Subsection": "F",
   "Paragraph": "2"
  },
  "r726": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Number": "249",
   "Section": "240",
   "Subsection": "f"
  },
  "r727": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a"
  },
  "r728": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "1"
  },
  "r729": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "i"
  },
  "r730": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "ii"
  },
  "r731": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "iii"
  },
  "r732": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "iv"
  },
  "r733": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "v"
  },
  "r734": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "2"
  },
  "r735": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "a",
   "Subparagraph": "3"
  },
  "r736": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form 40-F",
   "Section": "19",
   "Paragraph": "b"
  },
  "r737": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a"
  },
  "r738": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "1"
  },
  "r739": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "i"
  },
  "r740": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "ii"
  },
  "r741": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "iii"
  },
  "r742": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "iv"
  },
  "r743": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "1",
   "Sentence": "v"
  },
  "r744": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "2"
  },
  "r745": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "a",
   "Subparagraph": "3"
  },
  "r746": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Form N-CSR",
   "Section": "18",
   "Paragraph": "b"
  },
  "r747": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Forms 10-K, 10-Q, 20-F",
   "Number": "240",
   "Section": "13",
   "Subsection": "a-1"
  },
  "r748": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v"
  },
  "r749": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "1"
  },
  "r750": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "ii"
  },
  "r751": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii"
  },
  "r752": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "B",
   "Clause": "1",
   "Subclause": "ii"
  },
  "r753": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1",
   "Subclause": "i"
  },
  "r754": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1",
   "Subclause": "ii"
  },
  "r755": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1",
   "Subclause": "iii"
  },
  "r756": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1",
   "Subclause": "iv"
  },
  "r757": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1",
   "Subclause": "v"
  },
  "r758": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1",
   "Subclause": "vi"
  },
  "r759": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iv"
  },
  "r760": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "vi"
  },
  "r761": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "3"
  },
  "r762": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "4"
  },
  "r763": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "5",
   "Subparagraph": "i"
  },
  "r764": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "5",
   "Subparagraph": "ii"
  },
  "r765": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "5",
   "Subparagraph": "iii"
  },
  "r766": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "5",
   "Subparagraph": "iv"
  },
  "r767": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "6"
  },
  "r768": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "6",
   "Subparagraph": "i"
  },
  "r769": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w"
  },
  "r770": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1"
  },
  "r771": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "i"
  },
  "r772": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "A"
  },
  "r773": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "B"
  },
  "r774": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "C"
  },
  "r775": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "D"
  },
  "r776": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "i",
   "Sentence": "E"
  },
  "r777": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "ii"
  },
  "r778": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "1",
   "Subparagraph": "iii"
  },
  "r779": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "w",
   "Paragraph": "2"
  },
  "r780": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "1"
  },
  "r781": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "2"
  },
  "r782": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "2",
   "Subparagraph": "ii",
   "Sentence": "A"
  },
  "r783": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "2",
   "Subparagraph": "ii",
   "Sentence": "C"
  },
  "r784": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "2",
   "Subparagraph": "ii",
   "Sentence": "D"
  },
  "r785": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "2",
   "Subparagraph": "ii",
   "Sentence": "E"
  },
  "r786": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "402",
   "Subsection": "x",
   "Paragraph": "2",
   "Subparagraph": "ii",
   "Sentence": "F"
  },
  "r787": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "a"
  },
  "r788": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "a",
   "Paragraph": "1"
  },
  "r789": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "a",
   "Paragraph": "2",
   "Subparagraph": "A"
  },
  "r790": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "a",
   "Paragraph": "2",
   "Subparagraph": "B"
  },
  "r791": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "a",
   "Paragraph": "2",
   "Subparagraph": "C"
  },
  "r792": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "a",
   "Paragraph": "2",
   "Subparagraph": "D"
  },
  "r793": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Number": "229",
   "Section": "408",
   "Subsection": "b",
   "Paragraph": "1"
  },
  "r794": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106"
  },
  "r795": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "b",
   "Paragraph": "1"
  },
  "r796": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "b",
   "Paragraph": "1",
   "Subparagraph": "i"
  },
  "r797": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "b",
   "Paragraph": "1",
   "Subparagraph": "ii"
  },
  "r798": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "b",
   "Paragraph": "1",
   "Subparagraph": "iii"
  },
  "r799": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "b",
   "Paragraph": "2"
  },
  "r800": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "c",
   "Paragraph": "1"
  },
  "r801": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "c",
   "Paragraph": "2"
  },
  "r802": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "c",
   "Paragraph": "2",
   "Subparagraph": "i"
  },
  "r803": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "c",
   "Paragraph": "2",
   "Subparagraph": "ii"
  },
  "r804": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "106",
   "Subsection": "c",
   "Paragraph": "2",
   "Subparagraph": "iii"
  },
  "r805": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "402",
   "Number": "229",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "C",
   "Clause": "1"
  },
  "r806": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "A",
   "Number": "229"
  },
  "r807": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "B",
   "Clause": "1",
   "Number": "229"
  },
  "r808": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-K",
   "Section": "402",
   "Subsection": "v",
   "Paragraph": "2",
   "Subparagraph": "iii",
   "Sentence": "B",
   "Clause": "1",
   "Subclause": "i",
   "Number": "229"
  },
  "r809": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Regulation S-T",
   "Number": "232",
   "Section": "405"
  },
  "r810": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Securities Act",
   "Number": "230",
   "Section": "405"
  },
  "r811": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "80",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_80&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r812": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "g",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_g_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r813": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_g&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r814": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r815": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "37",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_37&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r816": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r817": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "135",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_135_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r818": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "141",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_141&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r819": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "142",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_142&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r820": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "144",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_144&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r821": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "145",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_145&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r822": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "5",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_5&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r823": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "57",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_57_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r824": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "9",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_9&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r825": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "37",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=2&code=ifrs-tx-2025-en-r&anchor=para_37&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r826": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "20",
   "IssueDate": "2025-01-01",
   "Paragraph": "39",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=20&code=ifrs-tx-2025-en-r&anchor=para_39_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r827": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "33",
   "IssueDate": "2025-01-01",
   "Paragraph": "70",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&anchor=para_70_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r828": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "33",
   "IssueDate": "2025-01-01",
   "Paragraph": "70",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&anchor=para_70_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r829": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r830": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "119",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_119&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r831": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "16",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_16&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r832": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_17&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r833": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "20",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_20_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r834": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "20",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_20_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r835": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "20",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_20_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r836": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "20",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_20&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r837": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r838": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_45&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r839": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "e",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_e_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r840": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r841": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_i&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r842": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "39",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_39&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r843": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "41",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_41&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r844": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "7",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_7&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r845": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "34",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_34&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r846": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "10",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_10_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r847": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "102",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_102&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r848": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "103",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_103&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r849": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r850": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "108",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_108&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r851": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "112",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_112_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r852": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "117",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_117&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r853": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "20",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_20_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r854": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "55",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r855": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "78",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r856": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r857": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "85",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_85&doctype=Standard",
   "URIDate": "2025-03-27"
  }
 }
}
