3.25.0.1 html 1599 854 1 true 360 0 false 23 false false R1.htm 0000001 - Document - Cover Sheet http://www.enbridge.com/role/Cover Cover Cover 1 false false R2.htm 0000002 - Document - Audit Information Sheet http://www.enbridge.com/role/AuditInformation Audit Information Cover 2 false false R3.htm 9952151 - Statement - CONSOLIDATED STATEMENTS OF EARNINGS Sheet http://www.enbridge.com/role/CONSOLIDATEDSTATEMENTSOFEARNINGS CONSOLIDATED STATEMENTS OF EARNINGS Statements 3 false false R4.htm 9952152 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Sheet http://www.enbridge.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Statements 4 false false R5.htm 9952153 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY Sheet http://www.enbridge.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITY CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY Statements 5 false false R6.htm 9952154 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.enbridge.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 6 false false R7.htm 9952155 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) Sheet http://www.enbridge.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSParenthetical CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) Statements 7 false false R8.htm 9952156 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL POSITION Sheet http://www.enbridge.com/role/CONSOLIDATEDSTATEMENTSOFFINANCIALPOSITION CONSOLIDATED STATEMENTS OF FINANCIAL POSITION Statements 8 false false R9.htm 9952157 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL POSITION (Parenthetical) Sheet http://www.enbridge.com/role/CONSOLIDATEDSTATEMENTSOFFINANCIALPOSITIONParenthetical CONSOLIDATED STATEMENTS OF FINANCIAL POSITION (Parenthetical) Statements 9 false false R10.htm 9952158 - Disclosure - BUSINESS OVERVIEW Sheet http://www.enbridge.com/role/BUSINESSOVERVIEW BUSINESS OVERVIEW Notes 10 false false R11.htm 9952159 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES Sheet http://www.enbridge.com/role/SIGNIFICANTACCOUNTINGPOLICIES SIGNIFICANT ACCOUNTING POLICIES Notes 11 false false R12.htm 9952160 - Disclosure - CHANGES IN ACCOUNTING POLICIES Sheet http://www.enbridge.com/role/CHANGESINACCOUNTINGPOLICIES CHANGES IN ACCOUNTING POLICIES Notes 12 false false R13.htm 9952161 - Disclosure - REVENUE Sheet http://www.enbridge.com/role/REVENUE REVENUE Notes 13 false false R14.htm 9952162 - Disclosure - SEGMENTED INFORMATION Sheet http://www.enbridge.com/role/SEGMENTEDINFORMATION SEGMENTED INFORMATION Notes 14 false false R15.htm 9952163 - Disclosure - EARNINGS PER COMMON SHARE Sheet http://www.enbridge.com/role/EARNINGSPERCOMMONSHARE EARNINGS PER COMMON SHARE Notes 15 false false R16.htm 9952164 - Disclosure - REGULATORY MATTERS Sheet http://www.enbridge.com/role/REGULATORYMATTERS REGULATORY MATTERS Notes 16 false false R17.htm 9952165 - Disclosure - ACQUISITIONS AND DISPOSITIONS Sheet http://www.enbridge.com/role/ACQUISITIONSANDDISPOSITIONS ACQUISITIONS AND DISPOSITIONS Notes 17 false false R18.htm 9952166 - Disclosure - OTHER CURRENT ASSETS Sheet http://www.enbridge.com/role/OTHERCURRENTASSETS OTHER CURRENT ASSETS Notes 18 false false R19.htm 9952167 - Disclosure - INVENTORY Sheet http://www.enbridge.com/role/INVENTORY INVENTORY Notes 19 false false R20.htm 9952168 - Disclosure - PROPERTY, PLANT AND EQUIPMENT Sheet http://www.enbridge.com/role/PROPERTYPLANTANDEQUIPMENT PROPERTY, PLANT AND EQUIPMENT Notes 20 false false R21.htm 9952169 - Disclosure - VARIABLE INTEREST ENTITIES Sheet http://www.enbridge.com/role/VARIABLEINTERESTENTITIES VARIABLE INTEREST ENTITIES Notes 21 false false R22.htm 9952170 - Disclosure - LONG-TERM INVESTMENTS Sheet http://www.enbridge.com/role/LONGTERMINVESTMENTS LONG-TERM INVESTMENTS Notes 22 false false R23.htm 9952171 - Disclosure - INTANGIBLE ASSETS Sheet http://www.enbridge.com/role/INTANGIBLEASSETS INTANGIBLE ASSETS Notes 23 false false R24.htm 9952172 - Disclosure - GOODWILL Sheet http://www.enbridge.com/role/GOODWILL GOODWILL Notes 24 false false R25.htm 9952173 - Disclosure - OTHER CURRENT LIABILITIES Sheet http://www.enbridge.com/role/OTHERCURRENTLIABILITIES OTHER CURRENT LIABILITIES Notes 25 false false R26.htm 9952174 - Disclosure - DEBT Sheet http://www.enbridge.com/role/DEBT DEBT Notes 26 false false R27.htm 9952175 - Disclosure - ASSET RETIREMENT OBLIGATIONS Sheet http://www.enbridge.com/role/ASSETRETIREMENTOBLIGATIONS ASSET RETIREMENT OBLIGATIONS Notes 27 false false R28.htm 9952176 - Disclosure - NONCONTROLLING INTERESTS Sheet http://www.enbridge.com/role/NONCONTROLLINGINTERESTS NONCONTROLLING INTERESTS Notes 28 false false R29.htm 9952177 - Disclosure - SHARE CAPITAL Sheet http://www.enbridge.com/role/SHARECAPITAL SHARE CAPITAL Notes 29 false false R30.htm 9952178 - Disclosure - STOCK OPTION AND STOCK UNIT PLANS Sheet http://www.enbridge.com/role/STOCKOPTIONANDSTOCKUNITPLANS STOCK OPTION AND STOCK UNIT PLANS Notes 30 false false R31.htm 9952179 - Disclosure - COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) Sheet http://www.enbridge.com/role/COMPONENTSOFACCUMULATEDOTHERCOMPREHENSIVEINCOMELOSS COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) Notes 31 false false R32.htm 9952180 - Disclosure - RISK MANAGEMENT AND FINANCIAL INSTRUMENTS Sheet http://www.enbridge.com/role/RISKMANAGEMENTANDFINANCIALINSTRUMENTS RISK MANAGEMENT AND FINANCIAL INSTRUMENTS Notes 32 false false R33.htm 9952181 - Disclosure - INCOME TAXES Sheet http://www.enbridge.com/role/INCOMETAXES INCOME TAXES Notes 33 false false R34.htm 9952182 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS Sheet http://www.enbridge.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITS PENSION AND OTHER POSTRETIREMENT BENEFITS Notes 34 false false R35.htm 9952183 - Disclosure - LEASES Sheet http://www.enbridge.com/role/LEASES LEASES Notes 35 false false R36.htm 9952184 - Disclosure - OTHER INCOME/(EXPENSE) Sheet http://www.enbridge.com/role/OTHERINCOMEEXPENSE OTHER INCOME/(EXPENSE) Notes 36 false false R37.htm 9952185 - Disclosure - CHANGES IN OPERATING ASSETS AND LIABILITIES Sheet http://www.enbridge.com/role/CHANGESINOPERATINGASSETSANDLIABILITIES CHANGES IN OPERATING ASSETS AND LIABILITIES Notes 37 false false R38.htm 9952186 - Disclosure - RELATED PARTY TRANSACTIONS Sheet http://www.enbridge.com/role/RELATEDPARTYTRANSACTIONS RELATED PARTY TRANSACTIONS Notes 38 false false R39.htm 9952187 - Disclosure - COMMITMENTS AND CONTINGENCIES Sheet http://www.enbridge.com/role/COMMITMENTSANDCONTINGENCIES COMMITMENTS AND CONTINGENCIES Notes 39 false false R40.htm 9952188 - Disclosure - GUARANTEES Sheet http://www.enbridge.com/role/GUARANTEES GUARANTEES Notes 40 false false R41.htm 9952189 - Disclosure - QUARTERLY FINANCIAL DATA (UNAUDITED) Sheet http://www.enbridge.com/role/QUARTERLYFINANCIALDATAUNAUDITED QUARTERLY FINANCIAL DATA (UNAUDITED) Notes 41 false false R42.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 42 false false R43.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 43 false false R44.htm 995447 - Disclosure - Insider Trading Policies and Procedures Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc Insider Trading Policies and Procedures Notes 44 false false R45.htm 995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure Sheet http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure Cybersecurity Risk Management and Strategy Disclosure Notes 45 false false R46.htm 9955511 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies) Sheet http://www.enbridge.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies SIGNIFICANT ACCOUNTING POLICIES (Policies) Policies 46 false false R47.htm 9955512 - Disclosure - REVENUE (Tables) Sheet http://www.enbridge.com/role/REVENUETables REVENUE (Tables) Tables http://www.enbridge.com/role/REVENUE 47 false false R48.htm 9955513 - Disclosure - SEGMENTED INFORMATION (Tables) Sheet http://www.enbridge.com/role/SEGMENTEDINFORMATIONTables SEGMENTED INFORMATION (Tables) Tables http://www.enbridge.com/role/SEGMENTEDINFORMATION 48 false false R49.htm 9955514 - Disclosure - EARNINGS PER COMMON SHARE (Tables) Sheet http://www.enbridge.com/role/EARNINGSPERCOMMONSHARETables EARNINGS PER COMMON SHARE (Tables) Tables http://www.enbridge.com/role/EARNINGSPERCOMMONSHARE 49 false false R50.htm 9955515 - Disclosure - REGULATORY MATTERS (Tables) Sheet http://www.enbridge.com/role/REGULATORYMATTERSTables REGULATORY MATTERS (Tables) Tables http://www.enbridge.com/role/REGULATORYMATTERS 50 false false R51.htm 9955516 - Disclosure - ACQUISITIONS AND DISPOSITIONS (Tables) Sheet http://www.enbridge.com/role/ACQUISITIONSANDDISPOSITIONSTables ACQUISITIONS AND DISPOSITIONS (Tables) Tables http://www.enbridge.com/role/ACQUISITIONSANDDISPOSITIONS 51 false false R52.htm 9955517 - Disclosure - OTHER CURRENT ASSETS (Tables) Sheet http://www.enbridge.com/role/OTHERCURRENTASSETSTables OTHER CURRENT ASSETS (Tables) Tables http://www.enbridge.com/role/OTHERCURRENTASSETS 52 false false R53.htm 9955518 - Disclosure - INVENTORY (Tables) Sheet http://www.enbridge.com/role/INVENTORYTables INVENTORY (Tables) Tables http://www.enbridge.com/role/INVENTORY 53 false false R54.htm 9955519 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Tables) Sheet http://www.enbridge.com/role/PROPERTYPLANTANDEQUIPMENTTables PROPERTY, PLANT AND EQUIPMENT (Tables) Tables http://www.enbridge.com/role/PROPERTYPLANTANDEQUIPMENT 54 false false R55.htm 9955520 - Disclosure - VARIABLE INTEREST ENTITIES (Tables) Sheet http://www.enbridge.com/role/VARIABLEINTERESTENTITIESTables VARIABLE INTEREST ENTITIES (Tables) Tables http://www.enbridge.com/role/VARIABLEINTERESTENTITIES 55 false false R56.htm 9955521 - Disclosure - LONG-TERM INVESTMENTS (Tables) Sheet http://www.enbridge.com/role/LONGTERMINVESTMENTSTables LONG-TERM INVESTMENTS (Tables) Tables http://www.enbridge.com/role/LONGTERMINVESTMENTS 56 false false R57.htm 9955522 - Disclosure - INTANGIBLE ASSETS (Tables) Sheet http://www.enbridge.com/role/INTANGIBLEASSETSTables INTANGIBLE ASSETS (Tables) Tables http://www.enbridge.com/role/INTANGIBLEASSETS 57 false false R58.htm 9955523 - Disclosure - GOODWILL (Tables) Sheet http://www.enbridge.com/role/GOODWILLTables GOODWILL (Tables) Tables http://www.enbridge.com/role/GOODWILL 58 false false R59.htm 9955524 - Disclosure - OTHER CURRENT LIABILITIES (Tables) Sheet http://www.enbridge.com/role/OTHERCURRENTLIABILITIESTables OTHER CURRENT LIABILITIES (Tables) Tables http://www.enbridge.com/role/OTHERCURRENTLIABILITIES 59 false false R60.htm 9955525 - Disclosure - DEBT (Tables) Sheet http://www.enbridge.com/role/DEBTTables DEBT (Tables) Tables http://www.enbridge.com/role/DEBT 60 false false R61.htm 9955526 - Disclosure - ASSET RETIREMENT OBLIGATIONS (Tables) Sheet http://www.enbridge.com/role/ASSETRETIREMENTOBLIGATIONSTables ASSET RETIREMENT OBLIGATIONS (Tables) Tables http://www.enbridge.com/role/ASSETRETIREMENTOBLIGATIONS 61 false false R62.htm 9955527 - Disclosure - NONCONTROLLING INTERESTS (Tables) Sheet http://www.enbridge.com/role/NONCONTROLLINGINTERESTSTables NONCONTROLLING INTERESTS (Tables) Tables http://www.enbridge.com/role/NONCONTROLLINGINTERESTS 62 false false R63.htm 9955528 - Disclosure - SHARE CAPITAL (Tables) Sheet http://www.enbridge.com/role/SHARECAPITALTables SHARE CAPITAL (Tables) Tables http://www.enbridge.com/role/SHARECAPITAL 63 false false R64.htm 9955529 - Disclosure - STOCK OPTION AND STOCK UNIT PLANS (Tables) Sheet http://www.enbridge.com/role/STOCKOPTIONANDSTOCKUNITPLANSTables STOCK OPTION AND STOCK UNIT PLANS (Tables) Tables http://www.enbridge.com/role/STOCKOPTIONANDSTOCKUNITPLANS 64 false false R65.htm 9955530 - Disclosure - COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Tables) Sheet http://www.enbridge.com/role/COMPONENTSOFACCUMULATEDOTHERCOMPREHENSIVEINCOMELOSSTables COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Tables) Tables http://www.enbridge.com/role/COMPONENTSOFACCUMULATEDOTHERCOMPREHENSIVEINCOMELOSS 65 false false R66.htm 9955531 - Disclosure - RISK MANAGEMENT AND FINANCIAL INSTRUMENTS (Tables) Sheet http://www.enbridge.com/role/RISKMANAGEMENTANDFINANCIALINSTRUMENTSTables RISK MANAGEMENT AND FINANCIAL INSTRUMENTS (Tables) Tables http://www.enbridge.com/role/RISKMANAGEMENTANDFINANCIALINSTRUMENTS 66 false false R67.htm 9955532 - Disclosure - INCOME TAXES (Tables) Sheet http://www.enbridge.com/role/INCOMETAXESTables INCOME TAXES (Tables) Tables http://www.enbridge.com/role/INCOMETAXES 67 false false R68.htm 9955533 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS (Tables) Sheet http://www.enbridge.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSTables PENSION AND OTHER POSTRETIREMENT BENEFITS (Tables) Tables http://www.enbridge.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITS 68 false false R69.htm 9955534 - Disclosure - LEASES (Tables) Sheet http://www.enbridge.com/role/LEASESTables LEASES (Tables) Tables http://www.enbridge.com/role/LEASES 69 false false R70.htm 9955535 - Disclosure - OTHER INCOME/(EXPENSE) (Tables) Sheet http://www.enbridge.com/role/OTHERINCOMEEXPENSETables OTHER INCOME/(EXPENSE) (Tables) Tables http://www.enbridge.com/role/OTHERINCOMEEXPENSE 70 false false R71.htm 9955536 - Disclosure - CHANGES IN OPERATING ASSETS AND LIABILITIES (Tables) Sheet http://www.enbridge.com/role/CHANGESINOPERATINGASSETSANDLIABILITIESTables CHANGES IN OPERATING ASSETS AND LIABILITIES (Tables) Tables http://www.enbridge.com/role/CHANGESINOPERATINGASSETSANDLIABILITIES 71 false false R72.htm 9955537 - Disclosure - RELATED PARTY TRANSACTIONS (Tables) Sheet http://www.enbridge.com/role/RELATEDPARTYTRANSACTIONSTables RELATED PARTY TRANSACTIONS (Tables) Tables http://www.enbridge.com/role/RELATEDPARTYTRANSACTIONS 72 false false R73.htm 9955538 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables) Sheet http://www.enbridge.com/role/COMMITMENTSANDCONTINGENCIESTables COMMITMENTS AND CONTINGENCIES (Tables) Tables http://www.enbridge.com/role/COMMITMENTSANDCONTINGENCIES 73 false false R74.htm 9955539 - Disclosure - QUARTERLY FINANCIAL DATA (UNAUDITED) (Tables) Sheet http://www.enbridge.com/role/QUARTERLYFINANCIALDATAUNAUDITEDTables QUARTERLY FINANCIAL DATA (UNAUDITED) (Tables) Tables http://www.enbridge.com/role/QUARTERLYFINANCIALDATAUNAUDITED 74 false false R75.htm 9955540 - Disclosure - BUSINESS OVERVIEW (Details) Sheet http://www.enbridge.com/role/BUSINESSOVERVIEWDetails BUSINESS OVERVIEW (Details) Details http://www.enbridge.com/role/BUSINESSOVERVIEW 75 false false R76.htm 9955541 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition (Details) Sheet http://www.enbridge.com/role/SIGNIFICANTACCOUNTINGPOLICIESRevenueRecognitionDetails SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition (Details) Details 76 false false R77.htm 9955542 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Current Expected Credit Losses (Details) Sheet http://www.enbridge.com/role/SIGNIFICANTACCOUNTINGPOLICIESCurrentExpectedCreditLossesDetails SIGNIFICANT ACCOUNTING POLICIES - Current Expected Credit Losses (Details) Details 77 false false R78.htm 9955543 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Property, Plant and Equipment (Details) Sheet http://www.enbridge.com/role/SIGNIFICANTACCOUNTINGPOLICIESPropertyPlantandEquipmentDetails SIGNIFICANT ACCOUNTING POLICIES - Property, Plant and Equipment (Details) Details 78 false false R79.htm 9955544 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Stock-Based Compensation (Details) Sheet http://www.enbridge.com/role/SIGNIFICANTACCOUNTINGPOLICIESStockBasedCompensationDetails SIGNIFICANT ACCOUNTING POLICIES - Stock-Based Compensation (Details) Details 79 false false R80.htm 9955545 - Disclosure - REVENUE - Major Products and Services (Details) Sheet http://www.enbridge.com/role/REVENUEMajorProductsandServicesDetails REVENUE - Major Products and Services (Details) Details 80 false false R81.htm 9955546 - Disclosure - REVENUE - Contract Balances (Details) Sheet http://www.enbridge.com/role/REVENUEContractBalancesDetails REVENUE - Contract Balances (Details) Details 81 false false R82.htm 9955547 - Disclosure - REVENUE - Narrative (Details) Sheet http://www.enbridge.com/role/REVENUENarrativeDetails REVENUE - Narrative (Details) Details 82 false false R83.htm 9955548 - Disclosure - REVENUE - Recognition and Measurement of Revenues (Details) Sheet http://www.enbridge.com/role/REVENUERecognitionandMeasurementofRevenuesDetails REVENUE - Recognition and Measurement of Revenues (Details) Details 83 false false R84.htm 9955549 - Disclosure - SEGMENTED INFORMATION - Schedule of Reporting Information by Segment (Details) Sheet http://www.enbridge.com/role/SEGMENTEDINFORMATIONScheduleofReportingInformationbySegmentDetails SEGMENTED INFORMATION - Schedule of Reporting Information by Segment (Details) Details 84 false false R85.htm 9955550 - Disclosure - SEGMENTED INFORMATION - Geographic Information and Property, Plant and Equipment (Details) Sheet http://www.enbridge.com/role/SEGMENTEDINFORMATIONGeographicInformationandPropertyPlantandEquipmentDetails SEGMENTED INFORMATION - Geographic Information and Property, Plant and Equipment (Details) Details 85 false false R86.htm 9955551 - Disclosure - EARNINGS PER COMMON SHARE - Narrative (Details) Sheet http://www.enbridge.com/role/EARNINGSPERCOMMONSHARENarrativeDetails EARNINGS PER COMMON SHARE - Narrative (Details) Details 86 false false R87.htm 9955552 - Disclosure - EARNINGS PER COMMON SHARE - Weighted Average Shares Outstanding (Details) Sheet http://www.enbridge.com/role/EARNINGSPERCOMMONSHAREWeightedAverageSharesOutstandingDetails EARNINGS PER COMMON SHARE - Weighted Average Shares Outstanding (Details) Details 87 false false R88.htm 9955553 - Disclosure - REGULATORY MATTERS - Liquids Pipelines (Narrative) (Details) Sheet http://www.enbridge.com/role/REGULATORYMATTERSLiquidsPipelinesNarrativeDetails REGULATORY MATTERS - Liquids Pipelines (Narrative) (Details) Details 88 false false R89.htm 9955554 - Disclosure - REGULATORY MATTERS -Southern Lights Pipeline (Narrative) (Details) Sheet http://www.enbridge.com/role/REGULATORYMATTERSSouthernLightsPipelineNarrativeDetails REGULATORY MATTERS -Southern Lights Pipeline (Narrative) (Details) Details 89 false false R90.htm 9955555 - Disclosure - REGULATORY MATTERS - Enbridge Gas Distribution Inc. (Narrative) (Details) Sheet http://www.enbridge.com/role/REGULATORYMATTERSEnbridgeGasDistributionIncNarrativeDetails REGULATORY MATTERS - Enbridge Gas Distribution Inc. (Narrative) (Details) Details 90 false false R91.htm 9955556 - Disclosure - REGULATORY MATTERS - Schedule of Regulatory Assets and Liabilities (Details) Sheet http://www.enbridge.com/role/REGULATORYMATTERSScheduleofRegulatoryAssetsandLiabilitiesDetails REGULATORY MATTERS - Schedule of Regulatory Assets and Liabilities (Details) Details 91 false false R92.htm 9955557 - Disclosure - ACQUISITIONS AND DISPOSITIONS - Narrative (Details) Sheet http://www.enbridge.com/role/ACQUISITIONSANDDISPOSITIONSNarrativeDetails ACQUISITIONS AND DISPOSITIONS - Narrative (Details) Details 92 false false R93.htm 9955558 - Disclosure - ACQUISITIONS AND DISPOSITIONS - Schedule of Estimated Fair Values Assigned to Net Assets and Final Purchase Price Allocation (Details) Sheet http://www.enbridge.com/role/ACQUISITIONSANDDISPOSITIONSScheduleofEstimatedFairValuesAssignedtoNetAssetsandFinalPurchasePriceAllocationDetails ACQUISITIONS AND DISPOSITIONS - Schedule of Estimated Fair Values Assigned to Net Assets and Final Purchase Price Allocation (Details) Details 93 false false R94.htm 9955559 - Disclosure - ACQUISITIONS AND DISPOSITIONS - Schedule of Supplemental Pro Forma Consolidated Financial Information (Details) Sheet http://www.enbridge.com/role/ACQUISITIONSANDDISPOSITIONSScheduleofSupplementalProFormaConsolidatedFinancialInformationDetails ACQUISITIONS AND DISPOSITIONS - Schedule of Supplemental Pro Forma Consolidated Financial Information (Details) Details 94 false false R95.htm 9955560 - Disclosure - ACQUISITIONS AND DISPOSITIONS - Asset Acquisition (Narrative) (Details) Sheet http://www.enbridge.com/role/ACQUISITIONSANDDISPOSITIONSAssetAcquisitionNarrativeDetails ACQUISITIONS AND DISPOSITIONS - Asset Acquisition (Narrative) (Details) Details 95 false false R96.htm 9955561 - Disclosure - ACQUISITIONS AND DISPOSITIONS - Dispositions (Narrative) (Details) Sheet http://www.enbridge.com/role/ACQUISITIONSANDDISPOSITIONSDispositionsNarrativeDetails ACQUISITIONS AND DISPOSITIONS - Dispositions (Narrative) (Details) Details 96 false false R97.htm 9955562 - Disclosure - OTHER CURRENT ASSETS (Details) Sheet http://www.enbridge.com/role/OTHERCURRENTASSETSDetails OTHER CURRENT ASSETS (Details) Details http://www.enbridge.com/role/OTHERCURRENTASSETSTables 97 false false R98.htm 9955563 - Disclosure - INVENTORY (Details) Sheet http://www.enbridge.com/role/INVENTORYDetails INVENTORY (Details) Details http://www.enbridge.com/role/INVENTORYTables 98 false false R99.htm 9955564 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Schedule of Property, Plant and Equipment (Details) Sheet http://www.enbridge.com/role/PROPERTYPLANTANDEQUIPMENTScheduleofPropertyPlantandEquipmentDetails PROPERTY, PLANT AND EQUIPMENT - Schedule of Property, Plant and Equipment (Details) Details 99 false false R100.htm 9955565 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Narrative (Details) Sheet http://www.enbridge.com/role/PROPERTYPLANTANDEQUIPMENTNarrativeDetails PROPERTY, PLANT AND EQUIPMENT - Narrative (Details) Details 100 false false R101.htm 9955566 - Disclosure - VARIABLE INTEREST ENTITIES - Schedule of Assets and Liabilities of Consolidated VIEs (Details) Sheet http://www.enbridge.com/role/VARIABLEINTERESTENTITIESScheduleofAssetsandLiabilitiesofConsolidatedVIEsDetails VARIABLE INTEREST ENTITIES - Schedule of Assets and Liabilities of Consolidated VIEs (Details) Details 101 false false R102.htm 9955567 - Disclosure - VARIABLE INTEREST ENTITIES - Schedule of the Carrying Amount of Interest in VIEs (Details) Sheet http://www.enbridge.com/role/VARIABLEINTERESTENTITIESScheduleoftheCarryingAmountofInterestinVIEsDetails VARIABLE INTEREST ENTITIES - Schedule of the Carrying Amount of Interest in VIEs (Details) Details 102 false false R103.htm 9955568 - Disclosure - LONG-TERM INVESTMENTS - Schedule of Long-Term Investments (Details) Sheet http://www.enbridge.com/role/LONGTERMINVESTMENTSScheduleofLongTermInvestmentsDetails LONG-TERM INVESTMENTS - Schedule of Long-Term Investments (Details) Details 103 false false R104.htm 9955569 - Disclosure - LONG-TERM INVESTMENTS - Narrative (Details) Sheet http://www.enbridge.com/role/LONGTERMINVESTMENTSNarrativeDetails LONG-TERM INVESTMENTS - Narrative (Details) Details 104 false false R105.htm 9955570 - Disclosure - LONG-TERM INVESTMENTS - Schedule of Combined Financial Information (Details) Sheet http://www.enbridge.com/role/LONGTERMINVESTMENTSScheduleofCombinedFinancialInformationDetails LONG-TERM INVESTMENTS - Schedule of Combined Financial Information (Details) Details 105 false false R106.htm 9955571 - Disclosure - LONG-TERM INVESTMENTS - Disposition (Details) Sheet http://www.enbridge.com/role/LONGTERMINVESTMENTSDispositionDetails LONG-TERM INVESTMENTS - Disposition (Details) Details 106 false false R107.htm 9955572 - Disclosure - LONG-TERM INVESTMENTS - Equity Investment Transaction (Details) Sheet http://www.enbridge.com/role/LONGTERMINVESTMENTSEquityInvestmentTransactionDetails LONG-TERM INVESTMENTS - Equity Investment Transaction (Details) Details 107 false false R108.htm 9955573 - Disclosure - INTANGIBLE ASSETS - Schedule of Intangible Assets (Details) Sheet http://www.enbridge.com/role/INTANGIBLEASSETSScheduleofIntangibleAssetsDetails INTANGIBLE ASSETS - Schedule of Intangible Assets (Details) Details 108 false false R109.htm 9955574 - Disclosure - INTANGIBLE ASSETS - Narrative (Details) Sheet http://www.enbridge.com/role/INTANGIBLEASSETSNarrativeDetails INTANGIBLE ASSETS - Narrative (Details) Details 109 false false R110.htm 9955575 - Disclosure - GOODWILL (Details) Sheet http://www.enbridge.com/role/GOODWILLDetails GOODWILL (Details) Details http://www.enbridge.com/role/GOODWILLTables 110 false false R111.htm 9955576 - Disclosure - OTHER CURRENT LIABILITIES (Details) Sheet http://www.enbridge.com/role/OTHERCURRENTLIABILITIESDetails OTHER CURRENT LIABILITIES (Details) Details http://www.enbridge.com/role/OTHERCURRENTLIABILITIESTables 111 false false R112.htm 9955577 - Disclosure - DEBT - Schedule of Debt (Details) Sheet http://www.enbridge.com/role/DEBTScheduleofDebtDetails DEBT - Schedule of Debt (Details) Details 112 false false R113.htm 9955578 - Disclosure - DEBT - Schedule of Committed Credit Facilities (Details) Sheet http://www.enbridge.com/role/DEBTScheduleofCommittedCreditFacilitiesDetails DEBT - Schedule of Committed Credit Facilities (Details) Details 113 false false R114.htm 9955579 - Disclosure - DEBT - Narrative (Details) Sheet http://www.enbridge.com/role/DEBTNarrativeDetails DEBT - Narrative (Details) Details 114 false false R115.htm 9955580 - Disclosure - DEBT - Schedule of Long-term Debt Issuances (Details) Sheet http://www.enbridge.com/role/DEBTScheduleofLongtermDebtIssuancesDetails DEBT - Schedule of Long-term Debt Issuances (Details) Details 115 false false R116.htm 9955581 - Disclosure - DEBT - Schedule of Long-Term Debt Repayments (Details) Sheet http://www.enbridge.com/role/DEBTScheduleofLongTermDebtRepaymentsDetails DEBT - Schedule of Long-Term Debt Repayments (Details) Details 116 false false R117.htm 9955582 - Disclosure - DEBT - Schedule of Maturities (Details) Sheet http://www.enbridge.com/role/DEBTScheduleofMaturitiesDetails DEBT - Schedule of Maturities (Details) Details 117 false false R118.htm 9955583 - Disclosure - DEBT - Schedule of Interest Expense (Details) Sheet http://www.enbridge.com/role/DEBTScheduleofInterestExpenseDetails DEBT - Schedule of Interest Expense (Details) Details 118 false false R119.htm 9955584 - Disclosure - ASSET RETIREMENT OBLIGATIONS (Details) Sheet http://www.enbridge.com/role/ASSETRETIREMENTOBLIGATIONSDetails ASSET RETIREMENT OBLIGATIONS (Details) Details http://www.enbridge.com/role/ASSETRETIREMENTOBLIGATIONSTables 119 false false R120.htm 9955585 - Disclosure - NONCONTROLLING INTERESTS (Details) Sheet http://www.enbridge.com/role/NONCONTROLLINGINTERESTSDetails NONCONTROLLING INTERESTS (Details) Details http://www.enbridge.com/role/NONCONTROLLINGINTERESTSTables 120 false false R121.htm 9955586 - Disclosure - SHARE CAPITAL - Schedule of Common Shares (Details) Sheet http://www.enbridge.com/role/SHARECAPITALScheduleofCommonSharesDetails SHARE CAPITAL - Schedule of Common Shares (Details) Details 121 false false R122.htm 9955587 - Disclosure - SHARE CAPITAL - Schedule of Preference Shares and Characteristics of Preference Shares (Details) Sheet http://www.enbridge.com/role/SHARECAPITALScheduleofPreferenceSharesandCharacteristicsofPreferenceSharesDetails SHARE CAPITAL - Schedule of Preference Shares and Characteristics of Preference Shares (Details) Details 122 false false R123.htm 9955588 - Disclosure - SHARE CAPITAL - Shareholder Rights Plan (Details) Sheet http://www.enbridge.com/role/SHARECAPITALShareholderRightsPlanDetails SHARE CAPITAL - Shareholder Rights Plan (Details) Details 123 false false R124.htm 9955589 - Disclosure - STOCK OPTION AND STOCK UNIT PLANS - Narrative (Details) Sheet http://www.enbridge.com/role/STOCKOPTIONANDSTOCKUNITPLANSNarrativeDetails STOCK OPTION AND STOCK UNIT PLANS - Narrative (Details) Details 124 false false R125.htm 9955590 - Disclosure - STOCK OPTION AND STOCK UNIT PLANS - Schedule of Outstanding Stock Options (Details) Sheet http://www.enbridge.com/role/STOCKOPTIONANDSTOCKUNITPLANSScheduleofOutstandingStockOptionsDetails STOCK OPTION AND STOCK UNIT PLANS - Schedule of Outstanding Stock Options (Details) Details 125 false false R126.htm 9955591 - Disclosure - STOCK OPTION AND STOCK UNIT PLANS - Schedule of Weighted Average Assumptions Used to Determine the Fair Value of Stock Options Granted (Details) Sheet http://www.enbridge.com/role/STOCKOPTIONANDSTOCKUNITPLANSScheduleofWeightedAverageAssumptionsUsedtoDeterminetheFairValueofStockOptionsGrantedDetails STOCK OPTION AND STOCK UNIT PLANS - Schedule of Weighted Average Assumptions Used to Determine the Fair Value of Stock Options Granted (Details) Details 126 false false R127.htm 9955592 - Disclosure - STOCK OPTION AND STOCK UNIT PLANS - PSUs and RSUs (Details) Sheet http://www.enbridge.com/role/STOCKOPTIONANDSTOCKUNITPLANSPSUsandRSUsDetails STOCK OPTION AND STOCK UNIT PLANS - PSUs and RSUs (Details) Details 127 false false R128.htm 9955593 - Disclosure - COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Details) Sheet http://www.enbridge.com/role/COMPONENTSOFACCUMULATEDOTHERCOMPREHENSIVEINCOMELOSSDetails COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Details) Details http://www.enbridge.com/role/COMPONENTSOFACCUMULATEDOTHERCOMPREHENSIVEINCOMELOSSTables 128 false false R129.htm 9955594 - Disclosure - RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Market Risk (Details) Sheet http://www.enbridge.com/role/RISKMANAGEMENTANDFINANCIALINSTRUMENTSMarketRiskDetails RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Market Risk (Details) Details 129 false false R130.htm 9955595 - Disclosure - RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Total Derivative Instruments (Details) Sheet http://www.enbridge.com/role/RISKMANAGEMENTANDFINANCIALINSTRUMENTSTotalDerivativeInstrumentsDetails RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Total Derivative Instruments (Details) Details 130 false false R131.htm 9955596 - Disclosure - RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Notional Principal or Quantity Information (Details) Sheet http://www.enbridge.com/role/RISKMANAGEMENTANDFINANCIALINSTRUMENTSNotionalPrincipalorQuantityInformationDetails RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Notional Principal or Quantity Information (Details) Details 131 false false R132.htm 9955597 - Disclosure - RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Fair Value Derivatives (Details) Sheet http://www.enbridge.com/role/RISKMANAGEMENTANDFINANCIALINSTRUMENTSFairValueDerivativesDetails RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Fair Value Derivatives (Details) Details 132 false false R133.htm 9955598 - Disclosure - RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Effects on Earnings and Comprehensive Income (Details) Sheet http://www.enbridge.com/role/RISKMANAGEMENTANDFINANCIALINSTRUMENTSEffectsonEarningsandComprehensiveIncomeDetails RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Effects on Earnings and Comprehensive Income (Details) Details 133 false false R134.htm 9955599 - Disclosure - RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Fair Value Derivatives (Details) Sheet http://www.enbridge.com/role/RISKMANAGEMENTANDFINANCIALINSTRUMENTSFairValueDerivativesDetails_1 RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Fair Value Derivatives (Details) Details 134 false false R135.htm 9955600 - Disclosure - RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Liquidity and Credit Risk (Details) Sheet http://www.enbridge.com/role/RISKMANAGEMENTANDFINANCIALINSTRUMENTSLiquidityandCreditRiskDetails RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Liquidity and Credit Risk (Details) Details 135 false false R136.htm 9955601 - Disclosure - RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Fair Value of Derivatives (Details) Sheet http://www.enbridge.com/role/RISKMANAGEMENTANDFINANCIALINSTRUMENTSFairValueofDerivativesDetails RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Fair Value of Derivatives (Details) Details 136 false false R137.htm 9955602 - Disclosure - RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Level 3 Inputs (Details) Sheet http://www.enbridge.com/role/RISKMANAGEMENTANDFINANCIALINSTRUMENTSLevel3InputsDetails RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Level 3 Inputs (Details) Details 137 false false R138.htm 9955603 - Disclosure - RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Changes in Level 3 (Details) Sheet http://www.enbridge.com/role/RISKMANAGEMENTANDFINANCIALINSTRUMENTSChangesinLevel3Details RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Changes in Level 3 (Details) Details 138 false false R139.htm 9955604 - Disclosure - RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Other Financial Instruments (Details) Sheet http://www.enbridge.com/role/RISKMANAGEMENTANDFINANCIALINSTRUMENTSOtherFinancialInstrumentsDetails RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Other Financial Instruments (Details) Details 139 false false R140.htm 9955605 - Disclosure - RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Restricted Long-Term Investments (Details) Sheet http://www.enbridge.com/role/RISKMANAGEMENTANDFINANCIALINSTRUMENTSRestrictedLongTermInvestmentsDetails RISK MANAGEMENT AND FINANCIAL INSTRUMENTS - Restricted Long-Term Investments (Details) Details 140 false false R141.htm 9955606 - Disclosure - INCOME TAXES - Schedule of Income Tax Rate Reconciliation (Details) Sheet http://www.enbridge.com/role/INCOMETAXESScheduleofIncomeTaxRateReconciliationDetails INCOME TAXES - Schedule of Income Tax Rate Reconciliation (Details) Details 141 false false R142.htm 9955607 - Disclosure - INCOME TAXES - Schedule of Components of Pretax Earnings and Income Taxes (Details) Sheet http://www.enbridge.com/role/INCOMETAXESScheduleofComponentsofPretaxEarningsandIncomeTaxesDetails INCOME TAXES - Schedule of Components of Pretax Earnings and Income Taxes (Details) Details 142 false false R143.htm 9955608 - Disclosure - INCOME TAXES - Schedule of Major Components of Deferred Income Tax Assets and Liabilities (Details) Sheet http://www.enbridge.com/role/INCOMETAXESScheduleofMajorComponentsofDeferredIncomeTaxAssetsandLiabilitiesDetails INCOME TAXES - Schedule of Major Components of Deferred Income Tax Assets and Liabilities (Details) Details 143 false false R144.htm 9955609 - Disclosure - INCOME TAXES - Narrative (Details) Sheet http://www.enbridge.com/role/INCOMETAXESNarrativeDetails INCOME TAXES - Narrative (Details) Details 144 false false R145.htm 9955610 - Disclosure - INCOME TAXES - Schedule of Unrecognized Tax Benefits (Details) Sheet http://www.enbridge.com/role/INCOMETAXESScheduleofUnrecognizedTaxBenefitsDetails INCOME TAXES - Schedule of Unrecognized Tax Benefits (Details) Details 145 false false R146.htm 9955611 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS - Benefit Obligation, Plan Assets and Funded Status (Details) Sheet http://www.enbridge.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSBenefitObligationPlanAssetsandFundedStatusDetails PENSION AND OTHER POSTRETIREMENT BENEFITS - Benefit Obligation, Plan Assets and Funded Status (Details) Details 146 false false R147.htm 9955612 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS - Amount Recognized in Excess of Accumulated Other Comprehensive Income (Details) Sheet http://www.enbridge.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSAmountRecognizedinExcessofAccumulatedOtherComprehensiveIncomeDetails PENSION AND OTHER POSTRETIREMENT BENEFITS - Amount Recognized in Excess of Accumulated Other Comprehensive Income (Details) Details 147 false false R148.htm 9955613 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS - Amount Recognized in Accumulated Other Comprehensive Income (Details) Sheet http://www.enbridge.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSAmountRecognizedinAccumulatedOtherComprehensiveIncomeDetails PENSION AND OTHER POSTRETIREMENT BENEFITS - Amount Recognized in Accumulated Other Comprehensive Income (Details) Details 148 false false R149.htm 9955614 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS - Net Benefit Costs Recognized (Details) Sheet http://www.enbridge.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSNetBenefitCostsRecognizedDetails PENSION AND OTHER POSTRETIREMENT BENEFITS - Net Benefit Costs Recognized (Details) Details 149 false false R150.htm 9955615 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS - Actuarial Assumptions (Details) Sheet http://www.enbridge.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSActuarialAssumptionsDetails PENSION AND OTHER POSTRETIREMENT BENEFITS - Actuarial Assumptions (Details) Details 150 false false R151.htm 9955616 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS - Assumed Health Care Cost Trend Rates (Details) Sheet http://www.enbridge.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSAssumedHealthCareCostTrendRatesDetails PENSION AND OTHER POSTRETIREMENT BENEFITS - Assumed Health Care Cost Trend Rates (Details) Details 151 false false R152.htm 9955617 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS - Plan Assets (Details) Sheet http://www.enbridge.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSPlanAssetsDetails PENSION AND OTHER POSTRETIREMENT BENEFITS - Plan Assets (Details) Details 152 false false R153.htm 9955618 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS - Expected Benefit Payments and Employer Contributions (Details) Sheet http://www.enbridge.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSExpectedBenefitPaymentsandEmployerContributionsDetails PENSION AND OTHER POSTRETIREMENT BENEFITS - Expected Benefit Payments and Employer Contributions (Details) Details 153 false false R154.htm 9955619 - Disclosure - PENSION AND OTHER POSTRETIREMENT BENEFITS - Retirement Savings Plan (Details) Sheet http://www.enbridge.com/role/PENSIONANDOTHERPOSTRETIREMENTBENEFITSRetirementSavingsPlanDetails PENSION AND OTHER POSTRETIREMENT BENEFITS - Retirement Savings Plan (Details) Details 154 false false R155.htm 9955620 - Disclosure - LEASES - Narrative (Details) Sheet http://www.enbridge.com/role/LEASESNarrativeDetails LEASES - Narrative (Details) Details 155 false false R156.htm 9955621 - Disclosure - LEASES - Schedule of Supplemental Statements of Financial Position (Details) Sheet http://www.enbridge.com/role/LEASESScheduleofSupplementalStatementsofFinancialPositionDetails LEASES - Schedule of Supplemental Statements of Financial Position (Details) Details 156 false false R157.htm 9955622 - Disclosure - LEASES - Lease Commitments (Details) Sheet http://www.enbridge.com/role/LEASESLeaseCommitmentsDetails LEASES - Lease Commitments (Details) Details 157 false false R158.htm 9955623 - Disclosure - LEASES - Lessor Lease Income (Details) Sheet http://www.enbridge.com/role/LEASESLessorLeaseIncomeDetails LEASES - Lessor Lease Income (Details) Details 158 false false R159.htm 9955624 - Disclosure - LEASES - Lessor Future Expected Lease Receipts (Details) Sheet http://www.enbridge.com/role/LEASESLessorFutureExpectedLeaseReceiptsDetails LEASES - Lessor Future Expected Lease Receipts (Details) Details 159 false false R160.htm 9955625 - Disclosure - OTHER INCOME/(EXPENSE) (Details) Sheet http://www.enbridge.com/role/OTHERINCOMEEXPENSEDetails OTHER INCOME/(EXPENSE) (Details) Details http://www.enbridge.com/role/OTHERINCOMEEXPENSETables 160 false false R161.htm 9955626 - Disclosure - CHANGES IN OPERATING ASSETS AND LIABILITIES (Details) Sheet http://www.enbridge.com/role/CHANGESINOPERATINGASSETSANDLIABILITIESDetails CHANGES IN OPERATING ASSETS AND LIABILITIES (Details) Details http://www.enbridge.com/role/CHANGESINOPERATINGASSETSANDLIABILITIESTables 161 false false R162.htm 9955627 - Disclosure - RELATED PARTY TRANSACTIONS (Details) Sheet http://www.enbridge.com/role/RELATEDPARTYTRANSACTIONSDetails RELATED PARTY TRANSACTIONS (Details) Details http://www.enbridge.com/role/RELATEDPARTYTRANSACTIONSTables 162 false false R163.htm 9955628 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) Sheet http://www.enbridge.com/role/COMMITMENTSANDCONTINGENCIESDetails COMMITMENTS AND CONTINGENCIES (Details) Details http://www.enbridge.com/role/COMMITMENTSANDCONTINGENCIESTables 163 false false R164.htm 9955629 - Disclosure - QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) Sheet http://www.enbridge.com/role/QUARTERLYFINANCIALDATAUNAUDITEDDetails QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) Details http://www.enbridge.com/role/QUARTERLYFINANCIALDATAUNAUDITEDTables 164 false false All Reports Book All Reports enb-20241231.htm enb-20241231.xsd enb-20241231_cal.xml enb-20241231_def.xml enb-20241231_lab.xml enb-20241231_pre.xml enb-20241231_g1.jpg enb-20241231_g2.jpg enb-20241231_g3.jpg enb-20241231_g4.jpg enb-20241231_g5.jpg http://fasb.org/us-gaap/2024 http://xbrl.sec.gov/cyd/2024 http://xbrl.sec.gov/dei/2024 http://xbrl.sec.gov/ecd/2024 true true