3.25.4 html 1382 815 1 true 500 0 false 17 false false R1.htm 1001 - Document - Cover Page Sheet http://www.ab-inbev.com/role/CoverPage Cover Page Cover 1 false false R2.htm 1002 - Statement - Consolidated Income Statement Sheet http://www.ab-inbev.com/role/ConsolidatedIncomeStatement Consolidated Income Statement Statements 2 false false R3.htm 1003 - Statement - Consolidated Statement of Comprehensive Income/(loss) Sheet http://www.ab-inbev.com/role/ConsolidatedStatementOfComprehensiveIncomeLoss Consolidated Statement of Comprehensive Income/(loss) Statements 3 false false R4.htm 1004 - Statement - Consolidated Statement of Financial Position Sheet http://www.ab-inbev.com/role/ConsolidatedStatementOfFinancialPosition Consolidated Statement of Financial Position Statements 4 false false R5.htm 1005 - Statement - Consolidated Statement of Changes in Equity Sheet http://www.ab-inbev.com/role/ConsolidatedStatementOfChangesInEquity Consolidated Statement of Changes in Equity Statements 5 false false R6.htm 1006 - Statement - Consolidated Statement of Cash Flows Sheet http://www.ab-inbev.com/role/ConsolidatedStatementOfCashFlows Consolidated Statement of Cash Flows Statements 6 false false R7.htm 995447 - Disclosure - Insider Trading Policies and Procedures Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc Insider Trading Policies and Procedures Notes 7 false false R8.htm 995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure Sheet http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure Cybersecurity Risk Management and Strategy Disclosure Notes 8 false false R9.htm 999002 - Disclosure - Corporate information Sheet http://www.ab-inbev.com/role/CorporateInformation Corporate information Notes 9 false false R10.htm 999003 - Disclosure - Statement of compliance Sheet http://www.ab-inbev.com/role/StatementOfCompliance Statement of compliance Notes 10 false false R11.htm 999004 - Disclosure - Summary of significant accounting policies Sheet http://www.ab-inbev.com/role/SummaryOfSignificantAccountingPolicies Summary of significant accounting policies Notes 11 false false R12.htm 999005 - Disclosure - Use of estimates and judgments Sheet http://www.ab-inbev.com/role/UseOfEstimatesAndJudgments Use of estimates and judgments Notes 12 false false R13.htm 999006 - Disclosure - Segment reporting Sheet http://www.ab-inbev.com/role/SegmentReporting Segment reporting Notes 13 false false R14.htm 999007 - Disclosure - Acquisitions and disposals of subsidiaries Sheet http://www.ab-inbev.com/role/AcquisitionsAndDisposalsOfSubsidiaries Acquisitions and disposals of subsidiaries Notes 14 false false R15.htm 999008 - Disclosure - Other operating income/(expenses) Sheet http://www.ab-inbev.com/role/OtherOperatingIncomeExpenses Other operating income/(expenses) Notes 15 false false R16.htm 999009 - Disclosure - Exceptional items Sheet http://www.ab-inbev.com/role/ExceptionalItems Exceptional items Notes 16 false false R17.htm 999010 - Disclosure - Payroll and related benefits Sheet http://www.ab-inbev.com/role/PayrollAndRelatedBenefits Payroll and related benefits Notes 17 false false R18.htm 999011 - Disclosure - Additional information on operating expenses by nature Sheet http://www.ab-inbev.com/role/AdditionalInformationOnOperatingExpensesByNature Additional information on operating expenses by nature Notes 18 false false R19.htm 999012 - Disclosure - Finance expense and income Sheet http://www.ab-inbev.com/role/FinanceExpenseAndIncome Finance expense and income Notes 19 false false R20.htm 999013 - Disclosure - Income taxes Sheet http://www.ab-inbev.com/role/IncomeTaxes Income taxes Notes 20 false false R21.htm 999014 - Disclosure - Property, plant and equipment Sheet http://www.ab-inbev.com/role/PropertyPlantAndEquipment Property, plant and equipment Notes 21 false false R22.htm 999015 - Disclosure - Goodwill Sheet http://www.ab-inbev.com/role/Goodwill Goodwill Notes 22 false false R23.htm 999016 - Disclosure - Intangible assets Sheet http://www.ab-inbev.com/role/IntangibleAssets Intangible assets Notes 23 false false R24.htm 999017 - Disclosure - Investments in associates Sheet http://www.ab-inbev.com/role/InvestmentsInAssociates Investments in associates Notes 24 false false R25.htm 999018 - Disclosure - Deferred tax assets and liabilities Sheet http://www.ab-inbev.com/role/DeferredTaxAssetsAndLiabilities Deferred tax assets and liabilities Notes 25 false false R26.htm 999019 - Disclosure - Inventories Sheet http://www.ab-inbev.com/role/Inventories Inventories Notes 26 false false R27.htm 999020 - Disclosure - Trade and other receivables Sheet http://www.ab-inbev.com/role/TradeAndOtherReceivables Trade and other receivables Notes 27 false false R28.htm 999021 - Disclosure - Cash and cash equivalents and investment securities Sheet http://www.ab-inbev.com/role/CashAndCashEquivalentsAndInvestmentSecurities Cash and cash equivalents and investment securities Notes 28 false false R29.htm 999022 - Disclosure - Changes in equity and earnings per share Sheet http://www.ab-inbev.com/role/ChangesInEquityAndEarningsPerShare Changes in equity and earnings per share Notes 29 false false R30.htm 999023 - Disclosure - Interest-bearing loans and borrowings Sheet http://www.ab-inbev.com/role/InterestBearingLoansAndBorrowings Interest-bearing loans and borrowings Notes 30 false false R31.htm 999024 - Disclosure - Pensions and similar obligations Sheet http://www.ab-inbev.com/role/PensionsAndSimilarObligations Pensions and similar obligations Notes 31 false false R32.htm 999025 - Disclosure - Share-based payments Sheet http://www.ab-inbev.com/role/ShareBasedPayments Share-based payments Notes 32 false false R33.htm 999026 - Disclosure - Provisions Sheet http://www.ab-inbev.com/role/Provisions Provisions Notes 33 false false R34.htm 999027 - Disclosure - Trade and other payables Sheet http://www.ab-inbev.com/role/TradeAndOtherPayables Trade and other payables Notes 34 false false R35.htm 999028 - Disclosure - Risks arising from financial instruments Sheet http://www.ab-inbev.com/role/RisksArisingFromFinancialInstruments Risks arising from financial instruments Notes 35 false false R36.htm 999029 - Disclosure - Collateral and contractual commitments for the acquisition of property, plant and equipment, loans to customers and other Sheet http://www.ab-inbev.com/role/CollateralAndContractualCommitmentsForTheAcquisitionOfPropertyPlantAndEquipmentLoansToCustomersAndOther Collateral and contractual commitments for the acquisition of property, plant and equipment, loans to customers and other Notes 36 false false R37.htm 999030 - Disclosure - Contingencies Sheet http://www.ab-inbev.com/role/Contingencies Contingencies Notes 37 false false R38.htm 999031 - Disclosure - Non-controlling interests Sheet http://www.ab-inbev.com/role/NonControllingInterests Non-controlling interests Notes 38 false false R39.htm 999032 - Disclosure - Related parties Sheet http://www.ab-inbev.com/role/RelatedParties Related parties Notes 39 false false R40.htm 999033 - Disclosure - Supplemental guarantor financial information Sheet http://www.ab-inbev.com/role/SupplementalGuarantorFinancialInformation Supplemental guarantor financial information Notes 40 false false R41.htm 999034 - Disclosure - Events after the reporting date Sheet http://www.ab-inbev.com/role/EventsAfterTheReportingDate Events after the reporting date Notes 41 false false R42.htm 999035 - Disclosure - AB InBev companies Sheet http://www.ab-inbev.com/role/AbInbevCompanies AB InBev companies Notes 42 false false R43.htm 999036 - Disclosure - Summary of significant accounting policies (Policies) Sheet http://www.ab-inbev.com/role/SummaryOfSignificantAccountingPoliciesPolicies Summary of significant accounting policies (Policies) Policies 43 false false R44.htm 999037 - Disclosure - Summary of significant accounting policies (Tables) Sheet http://www.ab-inbev.com/role/SummaryOfSignificantAccountingPoliciesTables Summary of significant accounting policies (Tables) Tables http://www.ab-inbev.com/role/SummaryOfSignificantAccountingPolicies 44 false false R45.htm 999038 - Disclosure - Segment reporting (Tables) Sheet http://www.ab-inbev.com/role/SegmentReportingTables Segment reporting (Tables) Tables http://www.ab-inbev.com/role/SegmentReporting 45 false false R46.htm 999039 - Disclosure - Other operating income/(expenses) (Tables) Sheet http://www.ab-inbev.com/role/OtherOperatingIncomeExpensesTables Other operating income/(expenses) (Tables) Tables http://www.ab-inbev.com/role/OtherOperatingIncomeExpenses 46 false false R47.htm 999040 - Disclosure - Exceptional items (Tables) Sheet http://www.ab-inbev.com/role/ExceptionalItemsTables Exceptional items (Tables) Tables http://www.ab-inbev.com/role/ExceptionalItems 47 false false R48.htm 999041 - Disclosure - Payroll and related benefits (Tables) Sheet http://www.ab-inbev.com/role/PayrollAndRelatedBenefitsTables Payroll and related benefits (Tables) Tables http://www.ab-inbev.com/role/PayrollAndRelatedBenefits 48 false false R49.htm 999042 - Disclosure - Additional information on operating expenses by nature (Tables) Sheet http://www.ab-inbev.com/role/AdditionalInformationOnOperatingExpensesByNatureTables Additional information on operating expenses by nature (Tables) Tables http://www.ab-inbev.com/role/AdditionalInformationOnOperatingExpensesByNature 49 false false R50.htm 999043 - Disclosure - Finance expense and income (Tables) Sheet http://www.ab-inbev.com/role/FinanceExpenseAndIncomeTables Finance expense and income (Tables) Tables http://www.ab-inbev.com/role/FinanceExpenseAndIncome 50 false false R51.htm 999044 - Disclosure - Income taxes (Tables) Sheet http://www.ab-inbev.com/role/IncomeTaxesTables Income taxes (Tables) Tables http://www.ab-inbev.com/role/IncomeTaxes 51 false false R52.htm 999045 - Disclosure - Property, plant and equipment (Tables) Sheet http://www.ab-inbev.com/role/PropertyPlantAndEquipmentTables Property, plant and equipment (Tables) Tables http://www.ab-inbev.com/role/PropertyPlantAndEquipment 52 false false R53.htm 999046 - Disclosure - Goodwill (Tables) Sheet http://www.ab-inbev.com/role/GoodwillTables Goodwill (Tables) Tables http://www.ab-inbev.com/role/Goodwill 53 false false R54.htm 999047 - Disclosure - Intangible assets (Tables) Sheet http://www.ab-inbev.com/role/IntangibleAssetsTables Intangible assets (Tables) Tables http://www.ab-inbev.com/role/IntangibleAssets 54 false false R55.htm 999048 - Disclosure - Investments in associates (Tables) Sheet http://www.ab-inbev.com/role/InvestmentsInAssociatesTables Investments in associates (Tables) Tables http://www.ab-inbev.com/role/InvestmentsInAssociates 55 false false R56.htm 999049 - Disclosure - Deferred tax assets and liabilities (Tables) Sheet http://www.ab-inbev.com/role/DeferredTaxAssetsAndLiabilitiesTables Deferred tax assets and liabilities (Tables) Tables http://www.ab-inbev.com/role/DeferredTaxAssetsAndLiabilities 56 false false R57.htm 999050 - Disclosure - Inventories (Tables) Sheet http://www.ab-inbev.com/role/InventoriesTables Inventories (Tables) Tables http://www.ab-inbev.com/role/Inventories 57 false false R58.htm 999051 - Disclosure - Trade and other receivables (Tables) Sheet http://www.ab-inbev.com/role/TradeAndOtherReceivablesTables Trade and other receivables (Tables) Tables http://www.ab-inbev.com/role/TradeAndOtherReceivables 58 false false R59.htm 999052 - Disclosure - Cash and cash equivalents and investment securities (Tables) Sheet http://www.ab-inbev.com/role/CashAndCashEquivalentsAndInvestmentSecuritiesTables Cash and cash equivalents and investment securities (Tables) Tables http://www.ab-inbev.com/role/CashAndCashEquivalentsAndInvestmentSecurities 59 false false R60.htm 999053 - Disclosure - Changes in equity and earnings per share (Tables) Sheet http://www.ab-inbev.com/role/ChangesInEquityAndEarningsPerShareTables Changes in equity and earnings per share (Tables) Tables http://www.ab-inbev.com/role/ChangesInEquityAndEarningsPerShare 60 false false R61.htm 999054 - Disclosure - Interest-bearing loans and borrowings (Tables) Sheet http://www.ab-inbev.com/role/InterestBearingLoansAndBorrowingsTables Interest-bearing loans and borrowings (Tables) Tables http://www.ab-inbev.com/role/InterestBearingLoansAndBorrowings 61 false false R62.htm 999055 - Disclosure - Pensions and similar obligations (Tables) Sheet http://www.ab-inbev.com/role/PensionsAndSimilarObligationsTables Pensions and similar obligations (Tables) Tables http://www.ab-inbev.com/role/PensionsAndSimilarObligations 62 false false R63.htm 999056 - Disclosure - Share-based payments (Tables) Sheet http://www.ab-inbev.com/role/ShareBasedPaymentsTables Share-based payments (Tables) Tables http://www.ab-inbev.com/role/ShareBasedPayments 63 false false R64.htm 999057 - Disclosure - Provisions (Tables) Sheet http://www.ab-inbev.com/role/ProvisionsTables Provisions (Tables) Tables http://www.ab-inbev.com/role/Provisions 64 false false R65.htm 999058 - Disclosure - Trade and other payables (Tables) Sheet http://www.ab-inbev.com/role/TradeAndOtherPayablesTables Trade and other payables (Tables) Tables http://www.ab-inbev.com/role/TradeAndOtherPayables 65 false false R66.htm 999059 - Disclosure - Risks arising from financial instruments (Tables) Sheet http://www.ab-inbev.com/role/RisksArisingFromFinancialInstrumentsTables Risks arising from financial instruments (Tables) Tables http://www.ab-inbev.com/role/RisksArisingFromFinancialInstruments 66 false false R67.htm 999060 - Disclosure - Collateral and contractual commitments for the acquisition of property, plant and equipment, loans to customers and other (Tables) Sheet http://www.ab-inbev.com/role/CollateralAndContractualCommitmentsForTheAcquisitionOfPropertyPlantAndEquipmentLoansToCustomersAndOtherTables Collateral and contractual commitments for the acquisition of property, plant and equipment, loans to customers and other (Tables) Tables http://www.ab-inbev.com/role/CollateralAndContractualCommitmentsForTheAcquisitionOfPropertyPlantAndEquipmentLoansToCustomersAndOther 67 false false R68.htm 999061 - Disclosure - Contingencies (Tables) Sheet http://www.ab-inbev.com/role/ContingenciesTables Contingencies (Tables) Tables http://www.ab-inbev.com/role/Contingencies 68 false false R69.htm 999062 - Disclosure - Non-controlling interests (Tables) Sheet http://www.ab-inbev.com/role/NonControllingInterestsTables Non-controlling interests (Tables) Tables http://www.ab-inbev.com/role/NonControllingInterests 69 false false R70.htm 999063 - Disclosure - Related parties (Tables) Sheet http://www.ab-inbev.com/role/RelatedPartiesTables Related parties (Tables) Tables http://www.ab-inbev.com/role/RelatedParties 70 false false R71.htm 999064 - Disclosure - Supplemental guarantor financial information (Tables) Sheet http://www.ab-inbev.com/role/SupplementalGuarantorFinancialInformationTables Supplemental guarantor financial information (Tables) Tables http://www.ab-inbev.com/role/SupplementalGuarantorFinancialInformation 71 false false R72.htm 999065 - Disclosure - AB InBev companies (Tables) Sheet http://www.ab-inbev.com/role/AbInbevCompaniesTables AB InBev companies (Tables) Tables http://www.ab-inbev.com/role/AbInbevCompanies 72 false false R73.htm 999066 - Disclosure - Corporate Information - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/CorporateInformationAdditionalInformationDetail Corporate Information - Additional Information (Detail) Details 73 false false R74.htm 999067 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail Summary of Significant Accounting Policies - Additional Information (Detail) Details 74 false false R75.htm 999068 - Disclosure - Summary of Significant Accounting Policies - Summary of Exchange Rates (Detail) Sheet http://www.ab-inbev.com/role/SummaryOfSignificantAccountingPoliciesSummaryOfExchangeRatesDetail Summary of Significant Accounting Policies - Summary of Exchange Rates (Detail) Details 75 false false R76.htm 999069 - Disclosure - Summary of Significant Accounting Policies - Summary of Estimated Useful Live of Assets Expected Utility (Detail) Sheet http://www.ab-inbev.com/role/SummaryOfSignificantAccountingPoliciesSummaryOfEstimatedUsefulLiveOfAssetsExpectedUtilityDetail Summary of Significant Accounting Policies - Summary of Estimated Useful Live of Assets Expected Utility (Detail) Details 76 false false R77.htm 999070 - Disclosure - Segment Reporting - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/SegmentReportingAdditionalInformationDetail Segment Reporting - Additional Information (Detail) Details 77 false false R78.htm 999071 - Disclosure - Segment Reporting - Summary of Segment Reporting (Detail) Sheet http://www.ab-inbev.com/role/SegmentReportingSummaryOfSegmentReportingDetail Segment Reporting - Summary of Segment Reporting (Detail) Details 78 false false R79.htm 999072 - Disclosure - Other Operating Income/(Expenses) - Summary of Other Operating Income Expense (Detail) Sheet http://www.ab-inbev.com/role/OtherOperatingIncomeExpensesSummaryOfOtherOperatingIncomeExpenseDetail Other Operating Income/(Expenses) - Summary of Other Operating Income Expense (Detail) Details 79 false false R80.htm 999073 - Disclosure - Exceptional items - Summary of Exceptional Items Included in Income Statement (Detail) Sheet http://www.ab-inbev.com/role/ExceptionalItemsSummaryOfExceptionalItemsIncludedInIncomeStatementDetail Exceptional items - Summary of Exceptional Items Included in Income Statement (Detail) Details 80 false false R81.htm 999074 - Disclosure - Exceptional Items - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/ExceptionalItemsAdditionalInformationDetail Exceptional Items - Additional Information (Detail) Details 81 false false R82.htm 999075 - Disclosure - Payroll and Related Benefits - Summary of Payroll and Related Benefits (Detail) Sheet http://www.ab-inbev.com/role/PayrollAndRelatedBenefitsSummaryOfPayrollAndRelatedBenefitsDetail Payroll and Related Benefits - Summary of Payroll and Related Benefits (Detail) Details 82 false false R83.htm 999076 - Disclosure - Payroll and Related Benefits - Summary of Number of Full Time Equivalents (Detail) Sheet http://www.ab-inbev.com/role/PayrollAndRelatedBenefitsSummaryOfNumberOfFullTimeEquivalentsDetail Payroll and Related Benefits - Summary of Number of Full Time Equivalents (Detail) Details 83 false false R84.htm 999077 - Disclosure - Additional Information on Operating Expenses By Nature - Summary of Depreciation, Amortization and Impairment Charges (Detail) Sheet http://www.ab-inbev.com/role/AdditionalInformationOnOperatingExpensesByNatureSummaryOfDepreciationAmortizationAndImpairmentChargesDetail Additional Information on Operating Expenses By Nature - Summary of Depreciation, Amortization and Impairment Charges (Detail) Details 84 false false R85.htm 999078 - Disclosure - Finance Expense and Income - Summary of Finance Expense and Income Included in Income Statement (Detail) Sheet http://www.ab-inbev.com/role/FinanceExpenseAndIncomeSummaryOfFinanceExpenseAndIncomeIncludedInIncomeStatementDetail Finance Expense and Income - Summary of Finance Expense and Income Included in Income Statement (Detail) Details 85 false false R86.htm 999079 - Disclosure - Finance Expense and Income - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/FinanceExpenseAndIncomeAdditionalInformationDetail Finance Expense and Income - Additional Information (Detail) Details 86 false false R87.htm 999080 - Disclosure - Finance Expense and Income - Summary of Interest Income (Detail) Sheet http://www.ab-inbev.com/role/FinanceExpenseAndIncomeSummaryOfInterestIncomeDetail Finance Expense and Income - Summary of Interest Income (Detail) Details 87 false false R88.htm 999081 - Disclosure - Income Taxes - Summary of Income Taxes (Detail) Sheet http://www.ab-inbev.com/role/IncomeTaxesSummaryOfIncomeTaxesDetail Income Taxes - Summary of Income Taxes (Detail) Details 88 false false R89.htm 999082 - Disclosure - Income Taxes - Summary of Reconciliation of Effective Tax Rate with Aggregated Weighted Nominal Tax Rate (Detail) Sheet http://www.ab-inbev.com/role/IncomeTaxesSummaryOfReconciliationOfEffectiveTaxRateWithAggregatedWeightedNominalTaxRateDetail Income Taxes - Summary of Reconciliation of Effective Tax Rate with Aggregated Weighted Nominal Tax Rate (Detail) Details 89 false false R90.htm 999083 - Disclosure - Income Taxes - Summary of Detail Information of Income Tax Recognized in Other Comprehensive Income (Detail) Sheet http://www.ab-inbev.com/role/IncomeTaxesSummaryOfDetailInformationOfIncomeTaxRecognizedInOtherComprehensiveIncomeDetail Income Taxes - Summary of Detail Information of Income Tax Recognized in Other Comprehensive Income (Detail) Details 90 false false R91.htm 999084 - Disclosure - Income Taxes - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/IncomeTaxesAdditionalInformationDetail Income Taxes - Additional Information (Detail) Details 91 false false R92.htm 999085 - Disclosure - Property, Plant and Equipment -Summary of Property, Plant and Equipment owned and Leased assets (Detail) Sheet http://www.ab-inbev.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentOwnedAndLeasedAssetsDetail Property, Plant and Equipment -Summary of Property, Plant and Equipment owned and Leased assets (Detail) Details 92 false false R93.htm 999086 - Disclosure - Property, Plant and Equipment - Detailed Information About Property, Plant and Equipment (Detail) Sheet http://www.ab-inbev.com/role/PropertyPlantAndEquipmentDetailedInformationAboutPropertyPlantAndEquipmentDetail Property, Plant and Equipment - Detailed Information About Property, Plant and Equipment (Detail) Details 93 false false R94.htm 999087 - Disclosure - Property, Plant and Equipment - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/PropertyPlantAndEquipmentAdditionalInformationDetail Property, Plant and Equipment - Additional Information (Detail) Details 94 false false R95.htm 999088 - Disclosure - Property, Plant and Equipment - Summary of Property, Plant and Equipment Leased (right- of- use assets) (Detail) Sheet http://www.ab-inbev.com/role/PropertyPlantAndEquipmentSummaryOfPropertyPlantAndEquipmentLeasedRightOfUseAssetsDetail Property, Plant and Equipment - Summary of Property, Plant and Equipment Leased (right- of- use assets) (Detail) Details 95 false false R96.htm 999089 - Disclosure - Goodwill - Reconciliation of Goodwill (Detail) Sheet http://www.ab-inbev.com/role/GoodwillReconciliationOfGoodwillDetail Goodwill - Reconciliation of Goodwill (Detail) Details 96 false false R97.htm 999090 - Disclosure - Goodwill - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/GoodwillAdditionalInformationDetail Goodwill - Additional Information (Detail) Details 97 false false R98.htm 999091 - Disclosure - Goodwill - Summary of Carrying Amount of Goodwill Allocated to Different Cash-generating Units (Detail) Sheet http://www.ab-inbev.com/role/GoodwillSummaryOfCarryingAmountOfGoodwillAllocatedToDifferentCashGeneratingUnitsDetail Goodwill - Summary of Carrying Amount of Goodwill Allocated to Different Cash-generating Units (Detail) Details 98 false false R99.htm 999092 - Disclosure - Goodwill - Summary of Weighted Average Cost of Capital (Detail) Sheet http://www.ab-inbev.com/role/GoodwillSummaryOfWeightedAverageCostOfCapitalDetail Goodwill - Summary of Weighted Average Cost of Capital (Detail) Details 99 false false R100.htm 999093 - Disclosure - Intangible Assets - Summary of Intangible Assets (Detail) Sheet http://www.ab-inbev.com/role/IntangibleAssetsSummaryOfIntangibleAssetsDetail Intangible Assets - Summary of Intangible Assets (Detail) Details 100 false false R101.htm 999094 - Disclosure - Intangible Assets - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/IntangibleAssetsAdditionalInformationDetail Intangible Assets - Additional Information (Detail) Details 101 false false R102.htm 999095 - Disclosure - Intangible Assets - Summary of Carrying Amount of Intangible Assets with Indefinite Useful Lives (Detail) Sheet http://www.ab-inbev.com/role/IntangibleAssetsSummaryOfCarryingAmountOfIntangibleAssetsWithIndefiniteUsefulLivesDetail Intangible Assets - Summary of Carrying Amount of Intangible Assets with Indefinite Useful Lives (Detail) Details 102 false false R103.htm 999096 - Disclosure - Investments in Associates - Summarized Financial Information to Carrying Amount of Company's Interests in Material Associates (Detail) Sheet http://www.ab-inbev.com/role/InvestmentsInAssociatesSummarizedFinancialInformationToCarryingAmountOfCompanysInterestsInMaterialAssociatesDetail Investments in Associates - Summarized Financial Information to Carrying Amount of Company's Interests in Material Associates (Detail) Details 103 false false R104.htm 999097 - Disclosure - Investments in Associates - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/InvestmentsInAssociatesAdditionalInformationDetail Investments in Associates - Additional Information (Detail) Details 104 false false R105.htm 999098 - Disclosure - Investments in Associates - Summarized Financial Information of the Company's Material Associates (Detail) Sheet http://www.ab-inbev.com/role/InvestmentsInAssociatesSummarizedFinancialInformationOfTheCompanysMaterialAssociatesDetail Investments in Associates - Summarized Financial Information of the Company's Material Associates (Detail) Details 105 false false R106.htm 999099 - Disclosure - Deferred Tax Assets and Liabilities - Summary of Deferred Tax Assets and Liabilities by Type of Temporary Difference (Detail) Sheet http://www.ab-inbev.com/role/DeferredTaxAssetsAndLiabilitiesSummaryOfDeferredTaxAssetsAndLiabilitiesByTypeOfTemporaryDifferenceDetail Deferred Tax Assets and Liabilities - Summary of Deferred Tax Assets and Liabilities by Type of Temporary Difference (Detail) Details 106 false false R107.htm 999100 - Disclosure - Deferred Tax Assets and Liabilities - Summary of Change in Net Deferred Tax Assets and Liabilities (Detail) Sheet http://www.ab-inbev.com/role/DeferredTaxAssetsAndLiabilitiesSummaryOfChangeInNetDeferredTaxAssetsAndLiabilitiesDetail Deferred Tax Assets and Liabilities - Summary of Change in Net Deferred Tax Assets and Liabilities (Detail) Details 107 false false R108.htm 999101 - Disclosure - Deferred Tax Assets and Liabilities - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/DeferredTaxAssetsAndLiabilitiesAdditionalInformationDetail Deferred Tax Assets and Liabilities - Additional Information (Detail) Details 108 false false R109.htm 999102 - Disclosure - Inventories - Summary of Inventories (Detail) Sheet http://www.ab-inbev.com/role/InventoriesSummaryOfInventoriesDetail Inventories - Summary of Inventories (Detail) Details 109 false false R110.htm 999103 - Disclosure - Inventories - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/InventoriesAdditionalInformationDetail Inventories - Additional Information (Detail) Details 110 false false R111.htm 999104 - Disclosure - Trade and Other Receivables - Schedule of Non-Current Trade and Other Receivables (Detail) Sheet http://www.ab-inbev.com/role/TradeAndOtherReceivablesScheduleOfNonCurrentTradeAndOtherReceivablesDetail Trade and Other Receivables - Schedule of Non-Current Trade and Other Receivables (Detail) Details 111 false false R112.htm 999105 - Disclosure - Trade and Other Receivables - Schedule of Current Trade and Other Receivables (Detail) Sheet http://www.ab-inbev.com/role/TradeAndOtherReceivablesScheduleOfCurrentTradeAndOtherReceivablesDetail Trade and Other Receivables - Schedule of Current Trade and Other Receivables (Detail) Details 112 false false R113.htm 999106 - Disclosure - Trade and Other Receivables - Schedule of Trade Receivables and Other Receivables (Detail) Sheet http://www.ab-inbev.com/role/TradeAndOtherReceivablesScheduleOfTradeReceivablesAndOtherReceivablesDetail Trade and Other Receivables - Schedule of Trade Receivables and Other Receivables (Detail) Details 113 false false R114.htm 999107 - Disclosure - Trade and Other Receivables - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/TradeAndOtherReceivablesAdditionalInformationDetail Trade and Other Receivables - Additional Information (Detail) Details 114 false false R115.htm 999108 - Disclosure - Cash and Cash Equivalents and Investment Securities - Summary of Cash and Cash Equivalents and Investments in Short-Term Debt Securities (Detail) Sheet http://www.ab-inbev.com/role/CashAndCashEquivalentsAndInvestmentSecuritiesSummaryOfCashAndCashEquivalentsAndInvestmentsInShortTermDebtSecuritiesDetail Cash and Cash Equivalents and Investment Securities - Summary of Cash and Cash Equivalents and Investments in Short-Term Debt Securities (Detail) Details 115 false false R116.htm 999109 - Disclosure - Cash and cash equivalents and investment securities - Summary of Investments in Short-Term Debt Securities (Detail) Sheet http://www.ab-inbev.com/role/CashAndCashEquivalentsAndInvestmentSecuritiesSummaryOfInvestmentsInShortTermDebtSecuritiesDetail Cash and cash equivalents and investment securities - Summary of Investments in Short-Term Debt Securities (Detail) Details 116 false false R117.htm 999110 - Disclosure - Cash and Cash Equivalents and Investment Securities - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/CashAndCashEquivalentsAndInvestmentSecuritiesAdditionalInformationDetail Cash and Cash Equivalents and Investment Securities - Additional Information (Detail) Details 117 false false R118.htm 999111 - Disclosure - Changes in Equity and Earnings per Share - Summary of Changes in Issued Capital and Treasury Shares (Detail) Sheet http://www.ab-inbev.com/role/ChangesInEquityAndEarningsPerShareSummaryOfChangesInIssuedCapitalAndTreasurySharesDetail Changes in Equity and Earnings per Share - Summary of Changes in Issued Capital and Treasury Shares (Detail) Details 118 false false R119.htm 999112 - Disclosure - Changes in Equity and Earnings per Share - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/ChangesInEquityAndEarningsPerShareAdditionalInformationDetail Changes in Equity and Earnings per Share - Additional Information (Detail) Details 119 false false R120.htm 999113 - Disclosure - Changes in Equity and Earnings Per Share - Summary of Changes in Other Comprehensive Income Reserves (Detail) Sheet http://www.ab-inbev.com/role/ChangesInEquityAndEarningsPerShareSummaryOfChangesInOtherComprehensiveIncomeReservesDetail Changes in Equity and Earnings Per Share - Summary of Changes in Other Comprehensive Income Reserves (Detail) Details 120 false false R121.htm 999114 - Disclosure - Changes in Equity and Earnings Per Share - Summary of Weighted Average Number of Ordinary and Restricted Shares (Detail) Sheet http://www.ab-inbev.com/role/ChangesInEquityAndEarningsPerShareSummaryOfWeightedAverageNumberOfOrdinaryAndRestrictedSharesDetail Changes in Equity and Earnings Per Share - Summary of Weighted Average Number of Ordinary and Restricted Shares (Detail) Details 121 false false R122.htm 999115 - Disclosure - Changes in Equity and Earnings Per Share - Summary of EPS (Detail) Sheet http://www.ab-inbev.com/role/ChangesInEquityAndEarningsPerShareSummaryOfEpsDetail Changes in Equity and Earnings Per Share - Summary of EPS (Detail) Details 122 false false R123.htm 999116 - Disclosure - Interest-Bearing Loans and Borrowings - Summary of Interest-bearing Loans and Borrowings (Detail) Sheet http://www.ab-inbev.com/role/InterestBearingLoansAndBorrowingsSummaryOfInterestBearingLoansAndBorrowingsDetail Interest-Bearing Loans and Borrowings - Summary of Interest-bearing Loans and Borrowings (Detail) Details 123 false false R124.htm 999117 - Disclosure - Interest-Bearing Loans and Borrowings - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/InterestBearingLoansAndBorrowingsAdditionalInformationDetail Interest-Bearing Loans and Borrowings - Additional Information (Detail) Details 124 false false R125.htm 999118 - Disclosure - Interest-Bearing Loans and Borrowings - Summary of Series of Bonds (Detail) Sheet http://www.ab-inbev.com/role/InterestBearingLoansAndBorrowingsSummaryOfSeriesOfBondsDetail Interest-Bearing Loans and Borrowings - Summary of Series of Bonds (Detail) Details 125 false false R126.htm 999119 - Disclosure - Interest-Bearing Loans and Borrowings - Summary of Total Principal Amount Repurchased in the Tender Offer (Detail) Sheet http://www.ab-inbev.com/role/InterestBearingLoansAndBorrowingsSummaryOfTotalPrincipalAmountRepurchasedInTheTenderOfferDetail Interest-Bearing Loans and Borrowings - Summary of Total Principal Amount Repurchased in the Tender Offer (Detail) Details 126 false false R127.htm 999120 - Disclosure - Interest-Bearing Loans and Borrowings - Summary of Reconciliation of Net Debt (Detail) Sheet http://www.ab-inbev.com/role/InterestBearingLoansAndBorrowingsSummaryOfReconciliationOfNetDebtDetail Interest-Bearing Loans and Borrowings - Summary of Reconciliation of Net Debt (Detail) Details 127 false false R128.htm 999121 - Disclosure - Interest-Bearing Loans and Borrowings - Summary of Changes in the Company's Liabilities Arising from Financing Activities (Detail) Sheet http://www.ab-inbev.com/role/InterestBearingLoansAndBorrowingsSummaryOfChangesInTheCompanysLiabilitiesArisingFromFinancingActivitiesDetail Interest-Bearing Loans and Borrowings - Summary of Changes in the Company's Liabilities Arising from Financing Activities (Detail) Details 128 false false R129.htm 999122 - Disclosure - Pensions and similar obligations - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/PensionsAndSimilarObligationsAdditionalInformationDetail Pensions and similar obligations - Additional Information (Detail) Details 129 false false R130.htm 999123 - Disclosure - Pensions and similar obligations - Summary of Net Liability for Post-employment and Long-term Employee Benefit Plans (Detail) Sheet http://www.ab-inbev.com/role/PensionsAndSimilarObligationsSummaryOfNetLiabilityForPostEmploymentAndLongTermEmployeeBenefitPlansDetail Pensions and similar obligations - Summary of Net Liability for Post-employment and Long-term Employee Benefit Plans (Detail) Details 130 false false R131.htm 999124 - Disclosure - Pensions and similar obligations - Summary of Changes in Present Value of Defined Benefit Obligations and Changes in Fair Value of Plan Assets (Detail) Sheet http://www.ab-inbev.com/role/PensionsAndSimilarObligationsSummaryOfChangesInPresentValueOfDefinedBenefitObligationsAndChangesInFairValueOfPlanAssetsDetail Pensions and similar obligations - Summary of Changes in Present Value of Defined Benefit Obligations and Changes in Fair Value of Plan Assets (Detail) Details 131 false false R132.htm 999125 - Disclosure - Pensions and similar obligations - Summary of Changes in Unrecognized Assets (Detail) Sheet http://www.ab-inbev.com/role/PensionsAndSimilarObligationsSummaryOfChangesInUnrecognizedAssetsDetail Pensions and similar obligations - Summary of Changes in Unrecognized Assets (Detail) Details 132 false false R133.htm 999126 - Disclosure - Pensions and similar obligations - Summary of Employee Benefit Expense Recognized in Income Statement (Detail) Sheet http://www.ab-inbev.com/role/PensionsAndSimilarObligationsSummaryOfEmployeeBenefitExpenseRecognizedInIncomeStatementDetail Pensions and similar obligations - Summary of Employee Benefit Expense Recognized in Income Statement (Detail) Details 133 false false R134.htm 999127 - Disclosure - Pensions and similar obligations - Summary of Weighted Average Assumptions Used in Computing Benefit Obligations (Detail) Sheet http://www.ab-inbev.com/role/PensionsAndSimilarObligationsSummaryOfWeightedAverageAssumptionsUsedInComputingBenefitObligationsDetail Pensions and similar obligations - Summary of Weighted Average Assumptions Used in Computing Benefit Obligations (Detail) Details 134 false false R135.htm 999128 - Disclosure - Pensions and similar obligations - Summary of Sensitivity Analysis of Defined Benefit Obligation for Weighted Principle Assumption (Detail) Sheet http://www.ab-inbev.com/role/PensionsAndSimilarObligationsSummaryOfSensitivityAnalysisOfDefinedBenefitObligationForWeightedPrincipleAssumptionDetail Pensions and similar obligations - Summary of Sensitivity Analysis of Defined Benefit Obligation for Weighted Principle Assumption (Detail) Details 135 false false R136.htm 999129 - Disclosure - Pensions and similar obligations - Summary of Fair Value of Plan Assets (Detail) Sheet http://www.ab-inbev.com/role/PensionsAndSimilarObligationsSummaryOfFairValueOfPlanAssetsDetail Pensions and similar obligations - Summary of Fair Value of Plan Assets (Detail) Details 136 false false R137.htm 999130 - Disclosure - Share-Based Payments - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/ShareBasedPaymentsAdditionalInformationDetail Share-Based Payments - Additional Information (Detail) Details 137 false false R138.htm 999131 - Disclosure - Share-Based Payments - LTI Stock Option Plan Executives - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/ShareBasedPaymentsLtiStockOptionPlanExecutivesAdditionalInformationDetail Share-Based Payments - LTI Stock Option Plan Executives - Additional Information (Detail) Details 138 false false R139.htm 999132 - Disclosure - Share-Based Payments - Other Programs - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/ShareBasedPaymentsOtherProgramsAdditionalInformationDetail Share-Based Payments - Other Programs - Additional Information (Detail) Details 139 false false R140.htm 999133 - Disclosure - Share-Based Payments - Summary of Number of Options Outstanding (Detail) Sheet http://www.ab-inbev.com/role/ShareBasedPaymentsSummaryOfNumberOfOptionsOutstandingDetail Share-Based Payments - Summary of Number of Options Outstanding (Detail) Details 140 false false R141.htm 999134 - Disclosure - Share-Based Payments - Summary of Weighted Average Exercise Price of Options (Detail) Sheet http://www.ab-inbev.com/role/ShareBasedPaymentsSummaryOfWeightedAverageExercisePriceOfOptionsDetail Share-Based Payments - Summary of Weighted Average Exercise Price of Options (Detail) Details 141 false false R142.htm 999135 - Disclosure - Share-Based Payments - Summary of Number of Outstanding Deferred and Restricted stock Units (Detail) Sheet http://www.ab-inbev.com/role/ShareBasedPaymentsSummaryOfNumberOfOutstandingDeferredAndRestrictedStockUnitsDetail Share-Based Payments - Summary of Number of Outstanding Deferred and Restricted stock Units (Detail) Details 142 false false R143.htm 999136 - Disclosure - Share-Based Payments - Ambev Share-Based Payment Programs - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/ShareBasedPaymentsAmbevShareBasedPaymentProgramsAdditionalInformationDetail Share-Based Payments - Ambev Share-Based Payment Programs - Additional Information (Detail) Details 143 false false R144.htm 999137 - Disclosure - Share-Based Payments - Bud Apac Share-Based Compensation Program (Detail) Sheet http://www.ab-inbev.com/role/ShareBasedPaymentsBudApacShareBasedCompensationProgramDetail Share-Based Payments - Bud Apac Share-Based Compensation Program (Detail) Details 144 false false R145.htm 999138 - Disclosure - Provisions - Summary of Provisions by Class (Detail) Sheet http://www.ab-inbev.com/role/ProvisionsSummaryOfProvisionsByClassDetail Provisions - Summary of Provisions by Class (Detail) Details 145 false false R146.htm 999139 - Disclosure - Provisions - Summary of Provisions are Expected to be Settled Within the Following Time Windows (Detail) Sheet http://www.ab-inbev.com/role/ProvisionsSummaryOfProvisionsAreExpectedToBeSettledWithinTheFollowingTimeWindowsDetail Provisions - Summary of Provisions are Expected to be Settled Within the Following Time Windows (Detail) Details 146 false false R147.htm 999140 - Disclosure - Trade and Other Payables - Summary of Trade and Other Payables (Detail) Sheet http://www.ab-inbev.com/role/TradeAndOtherPayablesSummaryOfTradeAndOtherPayablesDetail Trade and Other Payables - Summary of Trade and Other Payables (Detail) Details 147 false false R148.htm 999141 - Disclosure - Trade and Other Payables - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/TradeAndOtherPayablesAdditionalInformationDetail Trade and Other Payables - Additional Information (Detail) Details 148 false false R149.htm 999142 - Disclosure - Risks Arising From Financial Instruments - Disclosure of Financial Assets And Liabilities (Detail) Sheet http://www.ab-inbev.com/role/RisksArisingFromFinancialInstrumentsDisclosureOfFinancialAssetsAndLiabilitiesDetail Risks Arising From Financial Instruments - Disclosure of Financial Assets And Liabilities (Detail) Details 149 false false R150.htm 999143 - Disclosure - Risks Arising from Financial Instruments - Summary of Notional Amounts of Derivatives Outstanding at Year-end by Maturity Bucket (Detail) Sheet http://www.ab-inbev.com/role/RisksArisingFromFinancialInstrumentsSummaryOfNotionalAmountsOfDerivativesOutstandingAtYearEndByMaturityBucketDetail Risks Arising from Financial Instruments - Summary of Notional Amounts of Derivatives Outstanding at Year-end by Maturity Bucket (Detail) Details 150 false false R151.htm 999144 - Disclosure - Risks Arising from Financial Instruments - Summary of Foreign Exchange Risk on Operating Activities (Detail) Sheet http://www.ab-inbev.com/role/RisksArisingFromFinancialInstrumentsSummaryOfForeignExchangeRiskOnOperatingActivitiesDetail Risks Arising from Financial Instruments - Summary of Foreign Exchange Risk on Operating Activities (Detail) Details 151 false false R152.htm 999145 - Disclosure - Risks Arising From Financial Instruments - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/RisksArisingFromFinancialInstrumentsAdditionalInformationDetail Risks Arising From Financial Instruments - Additional Information (Detail) Details 152 false false R153.htm 999146 - Disclosure - Risks Arising from Financial Instruments - Summary of Foreign Exchange Results Recognized on Unhedged and Hedged Exposures (Detail) Sheet http://www.ab-inbev.com/role/RisksArisingFromFinancialInstrumentsSummaryOfForeignExchangeResultsRecognizedOnUnhedgedAndHedgedExposuresDetail Risks Arising from Financial Instruments - Summary of Foreign Exchange Results Recognized on Unhedged and Hedged Exposures (Detail) Details 153 false false R154.htm 999147 - Disclosure - Risks Arising from Financial Instruments - Summary of Effective Interest Rates at Balance Sheet (Detail) Sheet http://www.ab-inbev.com/role/RisksArisingFromFinancialInstrumentsSummaryOfEffectiveInterestRatesAtBalanceSheetDetail Risks Arising from Financial Instruments - Summary of Effective Interest Rates at Balance Sheet (Detail) Details 154 false false R155.htm 999148 - Disclosure - Risks Arising from Financial Instruments - Summary of Interest Expense Recognized on Unhedged and Hedged Financial Liabilities (Detail) Sheet http://www.ab-inbev.com/role/RisksArisingFromFinancialInstrumentsSummaryOfInterestExpenseRecognizedOnUnhedgedAndHedgedFinancialLiabilitiesDetail Risks Arising from Financial Instruments - Summary of Interest Expense Recognized on Unhedged and Hedged Financial Liabilities (Detail) Details 155 false false R156.htm 999149 - Disclosure - Risks arising from Financial instruments - Schedule of Commodity Derivatives Outstanding (Detail) Sheet http://www.ab-inbev.com/role/RisksArisingFromFinancialInstrumentsScheduleOfCommodityDerivativesOutstandingDetail Risks arising from Financial instruments - Schedule of Commodity Derivatives Outstanding (Detail) Details 156 false false R157.htm 999150 - Disclosure - Risks Arising from Financial Instruments - Summary of Estimated Impact on Changes in the Price of Commodities (Detail) Sheet http://www.ab-inbev.com/role/RisksArisingFromFinancialInstrumentsSummaryOfEstimatedImpactOnChangesInThePriceOfCommoditiesDetail Risks Arising from Financial Instruments - Summary of Estimated Impact on Changes in the Price of Commodities (Detail) Details 157 false false R158.htm 999151 - Disclosure - Risks Arising from Financial Instruments - Summary of Carrying Amount of Financial Assets (Detail) Sheet http://www.ab-inbev.com/role/RisksArisingFromFinancialInstrumentsSummaryOfCarryingAmountOfFinancialAssetsDetail Risks Arising from Financial Instruments - Summary of Carrying Amount of Financial Assets (Detail) Details 158 false false R159.htm 999152 - Disclosure - Risks Arising from Financial Instruments - Summary of Allowance for Impairment (Detail) Sheet http://www.ab-inbev.com/role/RisksArisingFromFinancialInstrumentsSummaryOfAllowanceForImpairmentDetail Risks Arising from Financial Instruments - Summary of Allowance for Impairment (Detail) Details 159 false false R160.htm 999153 - Disclosure - Risks Arising from Financial Instruments - Summary of Nominal Contractual Maturities of Non-Derivative Financial Liabilities (Detail) Sheet http://www.ab-inbev.com/role/RisksArisingFromFinancialInstrumentsSummaryOfNominalContractualMaturitiesOfNonDerivativeFinancialLiabilitiesDetail Risks Arising from Financial Instruments - Summary of Nominal Contractual Maturities of Non-Derivative Financial Liabilities (Detail) Details 160 false false R161.htm 999154 - Disclosure - Risks Arising from Financial Instruments - Summary of Carrying Amount of Fixed Rate Interest-Bearing Financial Liabilities and Fair Value (Detail) Sheet http://www.ab-inbev.com/role/RisksArisingFromFinancialInstrumentsSummaryOfCarryingAmountOfFixedRateInterestBearingFinancialLiabilitiesAndFairValueDetail Risks Arising from Financial Instruments - Summary of Carrying Amount of Fixed Rate Interest-Bearing Financial Liabilities and Fair Value (Detail) Details 161 false false R162.htm 999155 - Disclosure - Risks Arising from Financial Instruments - Analysis of Financial Instruments (Detail) Sheet http://www.ab-inbev.com/role/RisksArisingFromFinancialInstrumentsAnalysisOfFinancialInstrumentsDetail Risks Arising from Financial Instruments - Analysis of Financial Instruments (Detail) Details 162 false false R163.htm 999156 - Disclosure - Risks arising from Financial instruments - Summary of Hedging Reserve and Hedging Instruments (Detail) Sheet http://www.ab-inbev.com/role/RisksArisingFromFinancialInstrumentsSummaryOfHedgingReserveAndHedgingInstrumentsDetail Risks arising from Financial instruments - Summary of Hedging Reserve and Hedging Instruments (Detail) Details 163 false false R164.htm 999157 - Disclosure - Risks Arising from Financial Instruments - Summary of Offsetting Financial Assets and Liabilities (Detail) Sheet http://www.ab-inbev.com/role/RisksArisingFromFinancialInstrumentsSummaryOfOffsettingFinancialAssetsAndLiabilitiesDetail Risks Arising from Financial Instruments - Summary of Offsetting Financial Assets and Liabilities (Detail) Details 164 false false R165.htm 999158 - Disclosure - Collateral and Contractual Commitments for the Acquisition of Property, Plant and Equipment, Loans to Customers and Other - Summary of Collateral and Contractual Commitments for Acquisition of Property, Plant And Equipment, Loans to Customers and Other (Detail) Sheet http://www.ab-inbev.com/role/CollateralAndContractualCommitmentsForTheAcquisitionOfPropertyPlantAndEquipmentLoansToCustomersAndOtherSummaryOfCollateralAndContractualCommitmentsForAcquisitionOfPropertyPlantAndEquipmentLoansToCustomersAndOt673eb Collateral and Contractual Commitments for the Acquisition of Property, Plant and Equipment, Loans to Customers and Other - Summary of Collateral and Contractual Commitments for Acquisition of Property, Plant And Equipment, Loans to Customers and Other (Detail) Details 165 false false R166.htm 999159 - Disclosure - Collateral and Contractual Commitments for the Acquisition of Property, Plant and Equipment, Loans to Customers and Other - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/CollateralAndContractualCommitmentsForTheAcquisitionOfPropertyPlantAndEquipmentLoansToCustomersAndOtherAdditionalInformationDetail Collateral and Contractual Commitments for the Acquisition of Property, Plant and Equipment, Loans to Customers and Other - Additional Information (Detail) Details 166 false false R167.htm 999160 - Disclosure - Contingencies - Summary of Ab Inbev's Material Tax Proceedings Related to Ambev and Its Subsidiaries (Detail) Sheet http://www.ab-inbev.com/role/ContingenciesSummaryOfAbInbevsMaterialTaxProceedingsRelatedToAmbevAndItsSubsidiariesDetail Contingencies - Summary of Ab Inbev's Material Tax Proceedings Related to Ambev and Its Subsidiaries (Detail) Details 167 false false R168.htm 999161 - Disclosure - Contingencies - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/ContingenciesAdditionalInformationDetail Contingencies - Additional Information (Detail) Details 168 false false R169.htm 999162 - Disclosure - Non-Controlling Interests - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/NonControllingInterestsAdditionalInformationDetail Non-Controlling Interests - Additional Information (Detail) Details 169 false false R170.htm 999163 - Disclosure - Non-Controlling Interests - Summary of Financial Information of Material Non-controlling Interest (Detail) Sheet http://www.ab-inbev.com/role/NonControllingInterestsSummaryOfFinancialInformationOfMaterialNonControllingInterestDetail Non-Controlling Interests - Summary of Financial Information of Material Non-controlling Interest (Detail) Details 170 false false R171.htm 999164 - Disclosure - Related Parties - Summary of Directors and Executive Board Management Compensation (Detail) Sheet http://www.ab-inbev.com/role/RelatedPartiesSummaryOfDirectorsAndExecutiveBoardManagementCompensationDetail Related Parties - Summary of Directors and Executive Board Management Compensation (Detail) Details 171 false false R172.htm 999165 - Disclosure - Related Parties - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/RelatedPartiesAdditionalInformationDetail Related Parties - Additional Information (Detail) Details 172 false false R173.htm 999166 - Disclosure - Related Parties - Summary of AB InBev's Transactions with Associates (Detail) Sheet http://www.ab-inbev.com/role/RelatedPartiesSummaryOfAbInbevsTransactionsWithAssociatesDetail Related Parties - Summary of AB InBev's Transactions with Associates (Detail) Details 173 false false R174.htm 999167 - Disclosure - Supplemental Guarantor Financial Information - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/SupplementalGuarantorFinancialInformationAdditionalInformationDetail Supplemental Guarantor Financial Information - Additional Information (Detail) Details 174 false false R175.htm 999168 - Disclosure - Supplemental Guarantor Financial Information - Schedule of Condensed Consolidated Income Statement (Detail) Sheet http://www.ab-inbev.com/role/SupplementalGuarantorFinancialInformationScheduleOfCondensedConsolidatedIncomeStatementDetail Supplemental Guarantor Financial Information - Schedule of Condensed Consolidated Income Statement (Detail) Details 175 false false R176.htm 999169 - Disclosure - Supplemental Guarantor Financial Information - Schedule of Condensed Consolidated Statement of Financial Position (Detail) Sheet http://www.ab-inbev.com/role/SupplementalGuarantorFinancialInformationScheduleOfCondensedConsolidatedStatementOfFinancialPositionDetail Supplemental Guarantor Financial Information - Schedule of Condensed Consolidated Statement of Financial Position (Detail) Details 176 false false R177.htm 999170 - Disclosure - Events After the Reporting Date - Additional Information (Detail) Sheet http://www.ab-inbev.com/role/EventsAfterTheReportingDateAdditionalInformationDetail Events After the Reporting Date - Additional Information (Detail) Details 177 false false R178.htm 999171 - Disclosure - AB INBEV Companies - Summary of Name and Registered Office of Fully Consolidated Companies (Detail) Sheet http://www.ab-inbev.com/role/AbInbevCompaniesSummaryOfNameAndRegisteredOfficeOfFullyConsolidatedCompaniesDetail AB INBEV Companies - Summary of Name and Registered Office of Fully Consolidated Companies (Detail) Details 178 false false R179.htm 999172 - Disclosure - AB INBEV Companies - Summary of Name and Registered Office of Associates (Detail) Sheet http://www.ab-inbev.com/role/AbInbevCompaniesSummaryOfNameAndRegisteredOfficeOfAssociatesDetail AB INBEV Companies - Summary of Name and Registered Office of Associates (Detail) Details 179 false false All Reports Book All Reports bud-20251231.xsd d65314d20f.htm g65314snap2.jpg http://fasb.org/srt/2025 http://xbrl.sec.gov/cyd/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full false false