ENB


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesOutstanding
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
us-gaap:ProductOrService
us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfRevenue
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:CostsAndExpenses
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal

us-gaap:GeneralAndAdministrativeExpense
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NonoperatingIncomeExpense
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingIncomeLoss

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments, us-gaap:TimingOfTransferOfGoodOrService
us-gaap:TimingOfTransferOfGoodOrService

us-gaap:Revenues
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService

us-gaap:Assets
us-gaap:ConsolidatedEntities

us-gaap:Liabilities
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent
us-gaap:ConsolidatedEntities
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:InventoryNet
us-gaap:ConsolidatedEntities
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:AssetsNoncurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical

us-gaap:LongTermInvestments
us-gaap:ConsolidatedEntities

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:ConsolidatedEntities
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:AccruedLiabilitiesCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:DividendsPayableCurrent

us-gaap:LiabilitiesCurrent
us-gaap:ConsolidatedEntities
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherLiabilitiesCurrent
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:LiabilitiesNoncurrent

us-gaap:LongTermDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtAndCapitalLeaseObligations
dei:LegalEntity, us-gaap:LongtermDebtType
us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType

us-gaap:LongTermDebtAndCapitalLeaseObligations
us-gaap:DebtInstrument

us-gaap:DeferredIncomeTaxLiabilitiesNet
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:MinorityInterest
dei:LegalEntity
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:OtherLiabilitiesNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest
dei:LegalEntity
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:StatementEquityComponents
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

enb:AdjustmentForIncomeLossOfEquityMethodInvestments
us-gaap:StatementEquityComponents
enb:AdjustmentToAdditionalPaidInCapitalChangeInReciprocalInterest

enb:AmortizationOfFairValueAdjustment

enb:CommonStockDividendsPerShareIncreaseDecrease

enb:ComprehensiveIncomeAttributableToCommonShareholdersBasic
us-gaap:StatementEquityComponents
enb:DividendsReciprocalShareholder
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:EquityInterestIssuedOrIssuableByType
enb:EquityMethodInvestmentNumberofSharesSold

enb:IncomeLossFromContinuingOperationsBeforeInterestIncomeTaxesExtraordinaryItemsNoncontrollingInterest
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

enb:OtherComprehensiveIncomeLossEquityInvesteesAdjustmentNetOfTax
us-gaap:StatementEquityComponents
enb:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToCommonShareholders
us-gaap:StatementEquityComponents
enb:OtherComprehensiveIncomeLossUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTaxPortionAttributableToNoncontrollingInterest

enb:OtherComprehensiveIncomeUnrealizedGainLossOnNetInvestmentHedgesDuringPeriodNetOfTax

enb:ProceedsFromIssuanceOfLongTermDebtNetOfIssuanceCosts

enb:ProceedsFromRepaymentsOfCommercialPaperAndLinesOfCredit
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
enb:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice1

enb:WeightedAverageInterestInOwnCommonShares
us-gaap:StatementEquityComponents
us-gaap:AdjustmentsToAdditionalPaidInCapitalOther

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1
us-gaap:StatementEquityComponents, us-gaap:SubsequentEventType
us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:CounterpartyName, us-gaap:FinancialInstrument
us-gaap:ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure
us-gaap:FinancialInstrument

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
enb:DebtInstrumentInterestRateTerms, us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:VariableRate
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
enb:DebtInstrumentInterestRateTermsEffectivePeriod, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType, us-gaap:VariableRate
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:VariableRate

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DerivativeLossOnDerivative
us-gaap:StatementEquityComponents
us-gaap:DividendsCommonStock
us-gaap:StatementEquityComponents
us-gaap:DividendsPreferredStock

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EquityMethodInvestmentDividendsOrDistributions

us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:ExtinguishmentOfDebtAmount
dei:LegalEntity, us-gaap:DebtInstrument
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:LongtermDebtType

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:GainLossOnDispositionOfAssets1
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:GainLossOnOilAndGasHedgingActivity

us-gaap:IncomeLossFromEquityMethodInvestments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInOperatingCapital

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:LiabilitiesFairValueAdjustment
us-gaap:StatementEquityComponents
us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest
us-gaap:StatementEquityComponents
us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest
us-gaap:StatementEquityComponents
us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance

us-gaap:OperatingLeaseLeaseIncome
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
us-gaap:DerivativeInstrumentRisk

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTax
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeLossTax
us-gaap:StatementEquityComponents

us-gaap:OtherNoncashIncomeExpense

us-gaap:PaymentsForRepurchaseOfPreferredStockAndPreferenceStock
dei:LegalEntity, us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:PaymentsForRepurchaseOfRedeemablePreferredStock

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock

us-gaap:PaymentsToAcquireIntangibleAssets

us-gaap:PaymentsToAcquireLongtermInvestments
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents, us-gaap:SubsequentEventType
us-gaap:PreferredStockDividendRatePerDollarAmount

us-gaap:PreferredStockDividendsAndOtherAdjustments

us-gaap:ProceedsFromDivestitureOfBusinesses

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromMinorityShareholders

us-gaap:ProceedsFromPaymentsForLongTermLoansForRelatedParties

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:PropertyPlantAndEquipmentAdditions
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodTax
us-gaap:StatementEquityComponents
us-gaap:ConsolidationItems
us-gaap:RevenueNotFromContractWithCustomer
us-gaap:ConsolidationItems, us-gaap:ProductOrService
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents
us-gaap:StockholdersEquityOther

us-gaap:UnrealizedGainLossOnDerivatives
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation
us-gaap:HedgingDesignation
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:VariableInterestEntityOwnershipPercentage

enb:AccountsReceivablesAndOtherAmountsNetCurrent
us-gaap:ConsolidatedEntities

enb:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLongTermDebtFairValueAdjustmentRateRegulatedEntities

enb:DerivativeAssetLiabilityNetOfAmountsAvailableForOffset
us-gaap:DerivativeInstrumentRisk
us-gaap:BalanceSheetLocation
enb:DerivativeAssetNetOfAmountsAvailableForOffset
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
us-gaap:BalanceSheetLocation
enb:DerivativeAssetTotalAmountsAvailableForOffset
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk

enb:DerivativeLiabilityNetOfAmountsAvailableForOffset
us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk
us-gaap:BalanceSheetLocation
enb:DerivativeLiabilityTotalAmountsAvailableForOffset
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk
enb:DerivativeNonmonetaryNotionalAmountOutstanding
us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk
enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInNextTwelveMonths
us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk
enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInRemainderOfYear
us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk
enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearAfterFive
us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk
enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearFive
us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk
enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearFour
us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk
enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearThree
us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk
enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearTwo
us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk
enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturinginRemainderofYear
us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk, us-gaap:Position
enb:DerivativeNonmonetaryRateNotionalAmountOutstanding
us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk, us-gaap:Position
enb:DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInNextTwelveMonths
us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk, us-gaap:Position
enb:DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearFive
us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk, us-gaap:Position
enb:DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearFour
us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk, us-gaap:Position
enb:DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearThree
us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk, us-gaap:Position
enb:DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearTwo
us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk, us-gaap:Position
enb:DerivativeNonmonetaryRateNotionalAmountOutstandingMaturinginRemainderofYear
us-gaap:Currency, us-gaap:DerivativeInstrumentRisk
enb:DerivativeNotionalAmountOutstanding
us-gaap:DerivativeInstrumentRisk
us-gaap:Currency, us-gaap:DerivativeInstrumentRisk
enb:DerivativeNotionalAmountOutstandingMaturingInAfterYearFive
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk
enb:DerivativeNotionalAmountOutstandingMaturingInNextTwelveMonths
us-gaap:Currency, us-gaap:DerivativeInstrumentRisk
enb:DerivativeNotionalAmountOutstandingMaturingInYearFive
us-gaap:DerivativeInstrumentRisk
us-gaap:Currency, us-gaap:DerivativeInstrumentRisk
enb:DerivativeNotionalAmountOutstandingMaturingInYearFour
us-gaap:DerivativeInstrumentRisk
us-gaap:Currency, us-gaap:DerivativeInstrumentRisk
enb:DerivativeNotionalAmountOutstandingMaturingInYearThree
us-gaap:DerivativeInstrumentRisk
us-gaap:Currency, us-gaap:DerivativeInstrumentRisk
enb:DerivativeNotionalAmountOutstandingMaturingInYearTwo
us-gaap:DerivativeInstrumentRisk
us-gaap:Currency, us-gaap:DerivativeInstrumentRisk
enb:DerivativeNotionalAmountOutstandingMaturinginRemainderofYear
us-gaap:DerivativeInstrumentRisk
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:EquityInterestIssuedOrIssuableByType
enb:EquityMethodInvestmentOwnershipInterestHeldByEquityInvesteeInEntity

enb:EquityMethodInvestmentUnamortizedExcessPurchasePriceOverNetBookValueAmortizableAssets

enb:EquityMethodInvestmentUnamortizedExcessPurchasePriceOverNetBookValueGoodwill
us-gaap:ProductOrService, us-gaap:Range, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:ValuationTechnique
enb:FairValueInputsDerivativeForwardPrice
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
enb:FiniteLivedIntangibleAssetsWeightedAverageAmortizationRate
us-gaap:Range
enb:FloatingRateDebtAsTargetPercentageOfTotalDebtOutstanding
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:EquityInterestIssuedOrIssuableByType
enb:IndirectProRataInterestOfEntityInItsOwnShares

enb:InterestPayablePaymentsDueAfterFiveYears

enb:InterestPayablePaymentsDueinFiveYears

enb:InterestPayablePaymentsDueinFourYears

enb:InterestPayablePaymentsDueinNextTwelveMonths

enb:InterestPayablePaymentsDueinThreeYears

enb:InterestPayablePaymentsDueinTwoYears

enb:LandLeasesFutureMinimumPaymentsDue

enb:LandLeasesFutureMinimumPaymentsDueCurrent

enb:LandLeasesFutureMinimumPaymentsDueInFiveYears

enb:LandLeasesFutureMinimumPaymentsDueInFourYears

enb:LandLeasesFutureMinimumPaymentsDueInThreeYears

enb:LandLeasesFutureMinimumPaymentsDueInTwoYears

enb:LandLeasesFutureMinimumPaymentsDueThereafter

enb:LiabilitiesCumulativeFairValueAdjustment
us-gaap:CreditFacility, us-gaap:DebtInstrument
enb:LineOfCreditFacilityMaximumBorrowingCapacityTerminated
us-gaap:CreditFacility, us-gaap:DebtInstrument
enb:LineofCreditFacilityMaximumBorrowingCapacityAmountExtended

enb:MaintenanceObligationDueAfterFifthYear

enb:MaintenanceObligationDueInFifthYear

enb:MaintenanceObligationDueInFourthYear

enb:MaintenanceObligationDueInNextTwelveMonths

enb:MaintenanceObligationDueInSecondYear

enb:MaintenanceObligationDueInThirdYear

enb:MaintenancePurchaseObligation
dei:LegalEntity, us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
enb:MinorityInterestNumberOfRedeemablePreferredSharesHeldByNoncontrollingOwners

enb:OperatingLeasesLandLeasesPurchaseObligationsMaintenanceObligation

enb:OperatingLeasesLandLeasesPurchaseObligationsMaintenanceObligationDueAfterFifthYear

enb:OperatingLeasesLandLeasesPurchaseObligationsMaintenanceObligationDueInFifthYear

enb:OperatingLeasesLandLeasesPurchaseObligationsMaintenanceObligationDueInFourthYear

enb:OperatingLeasesLandLeasesPurchaseObligationsMaintenanceObligationDueInNextTwelveMonths

enb:OperatingLeasesLandLeasesPurchaseObligationsMaintenanceObligationDueInSecondYear

enb:OperatingLeasesLandLeasesPurchaseObligationsMaintenanceObligationDueInThirdYear
dei:LegalEntity, us-gaap:LongtermDebtType
enb:PortionOfCarryingValueOfDebtInstrument

enb:ReciprocalShareholdingValue

us-gaap:AccountsPayableAndOtherAccruedLiabilitiesCurrent
us-gaap:ConsolidatedEntities

us-gaap:AccountsPayableRelatedPartiesCurrent

us-gaap:AccountsReceivableNet

us-gaap:AccountsReceivableRelatedPartiesCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AlternativeInvestment

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligationCurrent

us-gaap:AssetRetirementObligationsNoncurrent
us-gaap:FairValueByMeasurementBasis
us-gaap:AssetsHeldInTrust

us-gaap:AssetsHeldInTrustNoncurrent
us-gaap:ConsolidatedEntities
us-gaap:AssetsNet
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:StatementEquityComponents
us-gaap:CommonStockValueOutstanding

us-gaap:ConstructionPayableCurrent

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerLiability

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentFaceAmount

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
dei:LegalEntity, us-gaap:LongtermDebtType
us-gaap:DebtWeightedAverageInterestRate
us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType

us-gaap:DeferredCostsAndOtherAssets
us-gaap:ConsolidatedEntities

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsHedgingTransactions

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxLiabilitiesInvestments

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilities
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationWeightedAverageInterestCreditingRate
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanSponsorLocation
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations
us-gaap:BalanceSheetLocation
us-gaap:DerivativeAssets
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation

us-gaap:DerivativeAssetsCurrent
us-gaap:BalanceSheetLocation
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementBasis
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeAssetsLiabilitiesAtFairValueNet
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:DerivativeAssetsNoncurrent
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementBasis
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeAverageFixedInterestRate
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeAverageVariableInterestRate
us-gaap:BalanceSheetLocation
us-gaap:DerivativeLiabilities
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation, us-gaap:HedgingDesignation

us-gaap:DerivativeLiabilitiesCurrent
us-gaap:BalanceSheetLocation
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementBasis
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:DerivativeLiabilitiesNoncurrent
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementBasis
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency

us-gaap:DueFromAffiliateCurrent

us-gaap:DueFromAffiliateNoncurrent
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:DueToAffiliateCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:EnergyRelatedInventoryNaturalGasInStorage
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOwnershipPercentage
us-gaap:EquityInterestIssuedOrIssuableByType, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementBusinessSegments
us-gaap:Ownership
us-gaap:Range, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementBusinessSegments
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementBusinessSegments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:EquityInterestIssuedOrIssuableByType, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementBusinessSegments
us-gaap:EquityMethodInvestments
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementBusinessSegments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:GoodwillGross

us-gaap:GoodwillImpairedAccumulatedImpairmentLoss
us-gaap:FinancialInstrument
us-gaap:HeldToMaturitySecurities
us-gaap:FinancialInstrument
us-gaap:HeldToMaturitySecuritiesFairValue

us-gaap:IncomeTaxesReceivable

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrentAndNoncurrent

us-gaap:InventoryCrudeOilProductsAndMerchandise

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceived

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter

us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears

us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears
dei:LegalEntity, us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent
dei:LegalEntity, us-gaap:CreditFacility
us-gaap:LineOfCredit
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility
us-gaap:CreditFacility
dei:LegalEntity, us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:CreditFacility
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility
us-gaap:CreditFacility

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent

us-gaap:LongTermDebtFairValue
us-gaap:FairValueByMeasurementBasis

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:Ownership, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:DisposalGroupClassification
us-gaap:MinorityInterestOwnershipPercentageByParent

us-gaap:NotesAndLoansReceivableNetNoncurrent
us-gaap:FairValueByMeasurementBasis
us-gaap:NotesReceivableFairValueDisclosure

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:StatementGeographical
us-gaap:OperatingLossCarryforwards

us-gaap:OtherInventoryNetOfReserves
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementBusinessSegments
us-gaap:OtherLongTermInvestments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:EquityInterestIssuedOrIssuableByType, us-gaap:StatementBusinessSegments

us-gaap:OtherReceivablesNetCurrent
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:PreferredStockSharesOutstanding

us-gaap:PreferredStockValue
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:PreferredStockValueOutstanding
us-gaap:StatementEquityComponents

us-gaap:PurchaseObligation

us-gaap:PurchaseObligationDueAfterFifthYear

us-gaap:PurchaseObligationDueInFifthYear

us-gaap:PurchaseObligationDueInFourthYear

us-gaap:PurchaseObligationDueInNextTwelveMonths

us-gaap:PurchaseObligationDueInSecondYear

us-gaap:PurchaseObligationDueInThirdYear

us-gaap:RegulatoryAssets
enb:RegulatedBusinessOperations

us-gaap:RegulatoryAssetsCurrent
us-gaap:RegulatoryAsset

us-gaap:RegulatoryAssetsNoncurrent
us-gaap:RegulatoryAsset

us-gaap:RegulatoryLiabilities

us-gaap:RegulatoryLiabilityCurrent
us-gaap:RegulatoryLiability

us-gaap:RegulatoryLiabilityNoncurrent
us-gaap:RegulatoryLiability

us-gaap:RestrictedCashCurrent

us-gaap:RestrictedInvestmentsAtFairValue
us-gaap:ConsolidatedEntities

us-gaap:RevenueRemainingPerformanceObligation
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice
us-gaap:TitleOfIndividual, us-gaap:AwardType
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:ShortTermBorrowings

us-gaap:ShortTermDebtWeightedAverageInterestRate

us-gaap:TaxesPayableCurrentAndNoncurrent

us-gaap:UnbilledReceivablesCurrent

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
us-gaap:ConsolidatedEntities
us-gaap:VariableInterestEntityEntityMaximumLossExposureAmount
us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Other Nonoperating Income Expense
Balance Sheet
Cash And Cash Equivalents At Carrying Value
Assets
Cash And Cash Equivalents At Carrying Value
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Deferred Income Tax Assets Net
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Current Liabilities
Operating Lease Liability Current
Noncurrent Liabilities
Operating Lease Liability Noncurrent
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
OperatingLeaseLiability
Operating Lease Liability Current
NonoperatingIncomeExpense
Other Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:CommonStockValue ███████████▂▁▁▁64780.064772.064768.064764.064763.064760.064746.064735.064732.064728.064677.051944.051548.051127.050737.0NANANA10492.0NANANA
us-gaap:CommonStockSharesOutstanding ███████████▃▁▁▁2026.02026.02026.02025.02025.02025.02025.02024.02024.02024.02022.01794.01715.01705.01695.0NANANA943.0NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁2026.02023.0NA2021.02020.02021.0NA2020.02021.02019.0NA1708.01698.01689.0NA1642.01636.01187.0NANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁2024.02022.0NA2021.02019.02019.0NA2018.02018.02016.0NA1705.01695.01685.0NA1635.01628.01177.0NANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:EmployeeStockOption▁█20.527.6NA34.134.616.7NA21.921.310.495198NA21.08164230.24564529.882142NA12.91717513.41676313.545193NANANANA
us-gaap:EarningsPerShareBasic ▇██▆▇▁▆▆██▇▄▇▅▄▆▆▆0.690.940.880.490.82-0.710.370.470.860.940.6-0.050.630.260.089999999999999860.470.560.54NANANANA
us-gaap:EarningsPerShareDiluted ▇██▆▇▁▆▆██▇▄▇▅▄▆▆▆0.690.940.880.490.82-0.710.360.470.860.940.6-0.050.630.260.089999999999999860.470.560.54NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
 COGS Ratio us-gaap:ProductOrService enb:CommoditySalesRevenue▁█6334.06429.0NA4595.02936.07389.06865.07396.08416.06632.07022.06919.06451.06575.07788.05012.0NANANANANANA
 COGS Ratio us-gaap:ProductOrService enb:GasDistributionRevenue▁█737.01540.0NA440.0694.01416.01120.0454.0755.01876.01100.0478.0856.01926.01432.0573.0NANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,enb:EnergyServicesConsolidateNANA4340.04596.02949.07398.06880.07403.08418.06673.07114.06646.05836.06632.07010.04284.05855.06133.0NANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,enb:EnergyServicesSegment▁█6345.06433.0NANA2949.07398.0NANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,enb:GasDistributionandStorageSegment▁█953.01823.0NANA903.01682.0NANANANANANANANANANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,enb:LiquidsPipelinesSegment▅▆█▆▇▁▆▄▅▆2547.02699.03171.02773.02945.01534.02724.02268.02569.02658.0NANANANANANANANANANANANA
 Cost Ratio us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,us-gaap:GasDistributionNANANA621.0903.01682.0NA635.0977.02191.01518.0645.01070.02237.01670.0716.01022.01584.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
 TTM Greenblatt ROC _ _▇██▇▇▇▇▇██▇▆▇▆▁▇▇▆▅1816.02548.02251.02095.02098.01513.01768.01588.02285.02619.01513.0854.01571.0878.0-2961.01490.01684.01358.0329.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:ComprehensiveIncomeNetOfTax ▃▅▁▃▁▇▂▅▃▃█▁▆▅▃▁▂▄739.01718.0-429.0230.0-495.02928.0-12.01510.0507.0708.03429.0-703.02108.01836.0269.0-512.0-30.01101.0NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest █▁9.0-3.0NA-16.0-50.0145.0NA41.0-51.0-13.0NANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▃▅▁▂▁▇▂▅▃▃█▁▆▅▂▁▂▄748.01715.0-486.0214.0-545.03073.018.01551.0456.0695.03684.0-601.02405.01983.0225.0-667.0-45.01475.0NANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService enb:CommoditySalesRevenue█▁6430.06198.0NA4443.02858.07163.06892.07216.08129.06565.06638.06905.06278.06997.07939.05087.0NANANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService enb:GasDistributionRevenue▁█289.0950.0NA83.0250.0855.0579.0104.0312.01207.0726.0112.0421.01324.0913.0215.0NANANANANANA
us-gaap:CostOfRevenue ▅▆▃▃▁▇▆▆▇▇▆▆▅▇█▄▆▆6719.07148.05017.04526.03108.08018.07471.07320.08441.07772.07364.07017.06699.08321.08852.05302.06918.07565.0NANANANA
us-gaap:CostsAndExpenses ▃▄▂▂▁▄▄▄▅▄▄▄▃▅█▂▄▄9132.09639.07757.07015.05858.010500.010584.010010.010978.010237.010049.010491.09174.011848.015850.07737.09432.09788.0NANANANA
 us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:DisposalGroupClassification,us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations,enb:MontanaAlbertaTieLineTransmissionAssetsNANANA0.0NANANANANANANANANANANANANANANANANANA
 us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:DisposalGroupClassification,us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations,enb:OzarkGasTransmissionandOzarkGasGatheringAssetsNANANA0.0NANANANANANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense ▁▂▆▂▆▃█▅▄▃▇▄▃▃▄▃▄▂1484.01559.01794.01554.01801.01600.01930.01741.01695.01625.01863.01652.01636.01641.01658.01587.01646.01551.0NANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▇██▇█▃▇▇██▇▆▆▅▁▇▇▆1791.02497.02400.01335.02368.0-1913.01347.01315.02266.02607.01343.0560.01230.0437.0-3450.01342.01534.01143.0NANANANA
us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest NANA1899.01104.01777.0-1364.0914.01060.01830.02023.01283.0213.01327.0510.065.01015.01241.0945.0847.0-237.0352.01347.0
us-gaap:IncomeTaxExpenseBenefit ▇██▇█▆█▇██▇█▇▇▁█▇▇270.0483.0501.0231.0591.0-549.0433.0255.0436.0584.060.0347.0-97.0-73.0-3515.0327.0293.0198.0NANANANA
us-gaap:InterestExpense ▄▄▅▅▅▅▅▄▄▅▄▅▅▄█▄▃▁618.0657.0685.0718.0681.0706.0697.0644.0637.0685.0661.0696.0690.0656.0852.0653.0565.0486.0NANANANA
us-gaap:NetIncomeLoss ▇██▆▇▁▆▆██▆▄▆▅▄▆▆▅▅▄▅▇1484.01992.01871.01084.01741.0-1333.0842.01045.01832.01986.01184.04.01160.0534.0291.0847.01000.0721.0441.0-30.0372.01286.0
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▅▅▅▅▅▄▅▅▄▅▆█▇▄▁▇██37.022.028.020.036.0-31.072.015.0-2.037.099.0209.0167.0-24.0-226.0168.0241.0224.0NANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▇██▆▇▁▆▆██▆▄▆▅▄▆▆▅▅▄▅▇1394.01900.01775.0990.01647.0-1429.0746.0949.01736.01891.01089.0-90.01071.0445.0207.0765.0919.0638.0365.0-103.0301.01213.0
us-gaap:NonoperatingIncomeExpense ▆▆█▇█▁▅▆▆▇▆▆▅▅▆▆▆▆241.0211.0503.0258.0624.0-1147.0-68.038.0205.0260.058.024.0-14.0-120.013.0225.0179.035.0NANANANA
us-gaap:OperatingIncomeLoss ▇██▇▇▇▇▇██▇▆▇▆▁▇▇▆▅▄▆▇1816.02548.02251.02095.02098.01513.01768.01588.02285.02619.01513.0854.01571.0878.0-2961.01490.01684.01358.0329.0-216.0794.01674.0
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▃▃▁▂▁█▂▄▂▂▆▂▄▅▃▂▂▄-835.0-796.0-2670.0-1119.0-2701.05637.0-1137.0704.0-1311.0-1291.02962.0-989.01047.01579.08.0-2057.0-1443.0432.0NANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▃▃▁▃▁█▃▄▂▂▆▃▅▅▄▂▂▄-773.0-299.0-2385.0-890.0-2322.04437.0-896.0491.0-1374.0-1328.02401.0-814.01078.01473.0160.0-1682.0-1286.0530.0NANANANA
us-gaap:OtherNonoperatingIncomeExpense ▄▄▄▄▄▁▄▄▄▄█▃▃▄▃▄▄▄82.059.082.085.098.0-191.066.081.065.046.0455.0-33.029.065.017.075.067.040.0NANANANA
us-gaap:ProfitLoss ▇██▆▇▁▆▆██▆▄▇▅▄▆▆▆1521.02014.01899.01104.01777.0-1364.0914.01060.01830.02023.01283.0213.01327.0510.065.01015.01241.0945.0NANANANA
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▁▂▆▁▁▂█▁▁▂▇▁▂▃█▅▇▇▅▅▄▅4294.05441.010008.04077.04309.05536.012352.04275.04552.05756.011562.04496.05207.06393.012889.09227.011116.011146.09338.08488.07939.08795.0
us-gaap:Revenues ▅▇▄▃▁▆▇▆█▇▆▅▅▇█▃▅▅▃▂▁▂10948.012187.010008.09110.07956.012013.012352.011598.013263.012856.011562.011345.010745.012726.012889.09227.011116.011146.09338.08488.07939.08795.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:Assets ▁▁▁▃▄█▃▅▄▅▆▃▅▃▂160727.0160695.0160276.0162488.0164694.0170254.0163269.0166641.0164828.0166508.0166905.0163223.0165436.0163494.0162093.0NANANA85209.0NANANA
us-gaap:Liabilities ▆▅▆▄▅█▄▄▂▃▃▁▃▂▂95831.094707.095913.094053.094753.097963.093862.093965.092023.092589.093470.091004.092771.092165.092294.0NANANA59854.0NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▁▁▁▃▄█▃▅▄▅▆▃▅▃▂160727.0160695.0160276.0162488.0164694.0170254.0163269.0166641.0164828.0166508.0166905.0163223.0165436.0163494.0162093.0NANANA85209.0NANANA
us-gaap:StockholdersEquity ▃▄▃▅▆▇▆▇▇██▃▃▃▁62026.063058.061367.065204.066626.068843.066043.069287.069354.070305.069470.060787.062132.061432.058135.0NANANA21386.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:AssetsCurrent ▅▄▃▁▂▅▇▅▆▆▆▅▅▅█8162.07634.07350.06424.06957.08151.08825.08055.08393.08382.08572.07831.07984.07914.09215.0NANANA7787.0NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▁▂▂▅▂█▅█▆▆▃▅▂▅▃374.0465.0452.0657.0462.0799.0648.0815.0708.0702.0518.0643.0457.0610.0480.0NANANA1494.0NANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▁▁▁▂▁▃▂▄▃▃▂▃▂▃▂▃▅▆█459.0524.0490.0692.0497.0840.0676.0872.0767.0757.0637.0726.0622.0723.0587.0847.01126.01194.01562.0NANANA
us-gaap:InventoryNet █▂█▇▃▁▆▆▆▄▆▇▅▂█1480.0853.01536.01368.0961.0699.01299.01261.01284.01047.01339.01362.01205.0872.01528.0NANANA1233.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
 us-gaap:AssetsNoncurrent us-gaap:EquityMethodInvestmentNonconsolidatedInvestee us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesNANA45955.0NANANA48942.0NANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentGross NANA117954.0NANANA113963.0NANANA112184.0NANANA105813.0NANANA78895.0NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType enb:CompressorsMetersAndOtherOperatingEquipmentNANA2872.0NANANA2748.0NANANA5893.0NANANA5774.0NANANA4014.0NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType enb:GasMainsServicesAndOtherNANA12476.0NANANA12194.0NANANA17474.0NANANA17026.0NANANA10022.0NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType enb:LandAndRightOfWayNANA2924.0NANANA2947.0NANANA2603.0NANANA2538.0NANANA2067.0NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType enb:ProcessingAndTreatingPlantsNANA4877.0NANANA4914.0NANANA1634.0NANANA1440.0NANANA846.0NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType enb:PumpingEquipmentBuildingTanksAndOtherNANA30057.0NANANA29287.0NANANA16935.0NANANA16610.0NANANA15554.0NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType enb:StorageNANA1595.0NANANA1486.0NANANA1713.0NANANA1545.0NANANA0.0NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType enb:WindTurbinesSolarPanelsAndOtherNANA5762.0NANANA4057.0NANANA5063.0NANANA4804.0NANANA4259.0NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:PipelinesNANA57391.0NANANA56330.0NANANA50078.0NANANA47720.0NANANA34474.0NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA23383.0NANANA20240.0NANANA17644.0NANANA15102.0NANANA14611.0NANANA
us-gaap:PropertyPlantAndEquipmentNet ▅▅▄▆▆█▄▄▃▄▄▁▄▃▁95273.095141.094571.095990.096302.098483.093723.094379.093202.093875.094540.090679.094058.092521.090711.0NANANA64284.0NANANA
us-gaap:LongTermInvestments ▁▁▂▃▄▆▇▇▇▇▇▆▆█▇13358.013627.013818.014513.015352.015986.016528.016831.016531.016902.016707.015983.016391.017360.016644.0NANANA6836.0NANANA
us-gaap:Goodwill ▁▂▂▅▆█▃▄▄▅▆▄█▇▆32014.032365.032688.033832.034387.035549.033153.033668.033342.033895.034459.033477.035436.035168.034457.0NANANA78.0NANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▂▂▁▁▁▂▁▂▂▂▂▇██▇2204.02219.02080.02122.02158.02239.02173.02216.02215.02301.02372.03273.03556.03455.03267.0NANANA1573.0NANANA
us-gaap:OperatingLeaseRightOfUseAsset NANA708.0NANANA713.0733.0738.0745.0NANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:AccruedLiabilitiesCurrent NANA3497.0NANANA4536.0NANANA4604.0NANANA5135.0NANANA3718.0NANANA
us-gaap:ContractWithCustomerLiabilityCurrent NANA978.0NANANA652.0NANANA850.0NANANANANANANANANANANA
us-gaap:DividendsPayableCurrent NANA1728.0NANANA1678.0NANANA1539.0NANANA1169.0NANANA29.0NANANA
us-gaap:LiabilitiesCurrent ▄▃▅▁▁▅█▄▄▄▆▄▅▃▆13550.012926.013979.011598.011440.013988.016010.013548.013368.013125.014855.013167.014313.012772.014624.0NANANA12343.0NANANA
us-gaap:OperatingLeaseLiabilityCurrent NANA80.0NANANA94.099.099.067.0NANANANANANANANANANANANA
us-gaap:OtherLiabilitiesCurrent NANA652.0NANANA583.0NANANA854.0NANANA1338.0NANANA895.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
 us-gaap:LiabilitiesNoncurrent us-gaap:EquityMethodInvestmentNonconsolidatedInvestee us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesNANA19639.0NANANA18126.0NANANANANANANANANANANANANANANA
us-gaap:LongTermDebt NANA65358.0NANANA63585.0NANANANANANANA62927.0NANANANANANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType enb:FixedToFixedSubordinatedTermNotes,us-gaap:SubordinatedDebtNA7800.07800.06600.0NANA6600.0NANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType enb:FixedToFloatingSubordinatedTermNotes,us-gaap:SubordinatedDebt▆▇▇█▂▃▁▁▁▂▅▃7600.07700.07700.08000.06758.06955.06550.06637.06582.06675.07317.07053.0NANA4344.0NANANANANANANA
us-gaap:DebtAndCapitalLeaseObligations NANA66897.0NANANA64963.0NANANA64610.0NANANA65180.0NANANA40945.0NANANA
 us-gaap:DebtAndCapitalLeaseObligations dei:LegalEntity,us-gaap:LongtermDebtType enb:EnbridgeEnergyPartnersLp,us-gaap:SeniorNotesNANA3886.0NANANA3955.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations dei:LegalEntity,us-gaap:LongtermDebtType enb:EnbridgeGasInc.,enb:CommercialPaperAndCreditFacilityDrawsNANA1121.0NANANA898.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations dei:LegalEntity,us-gaap:LongtermDebtType enb:EnbridgeGasInc.,us-gaap:MediumTermNotesNANA8485.0NANANA7685.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations dei:LegalEntity,us-gaap:LongtermDebtType enb:EnbridgePipelinesInc,enb:CommercialPaperAndCreditFacilityDrawsNANA1278.0NANANA2030.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations dei:LegalEntity,us-gaap:LongtermDebtType enb:EnbridgePipelinesInc,us-gaap:MediumTermNotesNANA4775.0NANANA5125.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations dei:LegalEntity,us-gaap:LongtermDebtType enb:EnbridgePipelinesSouthernLightsLLC,us-gaap:SeniorNotesNANA1038.0NANANA1129.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations dei:LegalEntity,us-gaap:LongtermDebtType enb:EnbridgeSouthernLightsLP,us-gaap:SeniorNotesNANA257.0NANANA272.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations dei:LegalEntity,us-gaap:LongtermDebtType enb:EnbridgeUSInc,enb:CommercialPaperAndCreditFacilityDrawsNANA492.0NANANA1734.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations dei:LegalEntity,us-gaap:LongtermDebtType enb:EnbridgeUSInc,us-gaap:CapitalLeaseObligationsNANA7.0NANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations dei:LegalEntity,us-gaap:LongtermDebtType enb:SpectraEnergyCorp,us-gaap:SeniorNotesNANA220.0NANANA224.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations dei:LegalEntity,us-gaap:LongtermDebtType enb:SpectraEnergyPartnersLP,us-gaap:SeniorNotesNANA8332.0NANANA8481.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations dei:LegalEntity,us-gaap:LongtermDebtType enb:WestcoastEnergyInc,enb:DebenturesNANA275.0NANANA375.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations dei:LegalEntity,us-gaap:LongtermDebtType enb:WestcoastEnergyInc,us-gaap:MediumTermNotesNANA1625.0NANANA1875.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:ConsolidatedEntities,us-gaap:LongtermDebtType srt:ParentCompany,enb:CommercialPaperAndCreditFacilityDrawsNANA8719.0NANANA5210.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:ConsolidatedEntities,us-gaap:LongtermDebtType srt:ParentCompany,enb:FixedToFixedTermSubordinatedTermNotesNANA1274.0NANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:ConsolidatedEntities,us-gaap:LongtermDebtType srt:ParentCompany,enb:FixedToFloatingSubordinatedTermNotesNANA6477.0NANANA6550.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:ConsolidatedEntities,us-gaap:LongtermDebtType srt:ParentCompany,enb:FloatingRateNoteNANA956.0NANANA1556.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:ConsolidatedEntities,us-gaap:LongtermDebtType srt:ParentCompany,enb:TermLoanNANA8536.0NANANA8689.0NANANANANANANANANANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:ConsolidatedEntities,us-gaap:LongtermDebtType srt:ParentCompany,us-gaap:MediumTermNotesNANA8323.0NANANA7623.0NANANANANANANANANANANANANANANA
us-gaap:LongTermDebtAndCapitalLeaseObligations ▇▇▇▇██▂▄▃▄▃▁▃▄▄63090.062688.062819.062967.063680.063571.059661.060879.060017.060680.060327.058707.059940.061191.060865.0NANANA36494.0NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet █▇▅▅▅▄▃▄▃▃▂▄▄▃▁10953.010733.010332.010235.010128.09905.09867.010105.09767.09740.09454.010040.09929.09812.09295.0NANANA6036.0NANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanSponsorLocation,us-gaap:RetirementPlanType country:CA,us-gaap:OtherPostretirementBenefitPlansDefinedBenefitNANA308.0NANANA281.0NANANA270.0NANANANANANANANANANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanSponsorLocation,us-gaap:RetirementPlanType country:CA,us-gaap:PensionPlansDefinedBenefitNANA804.0NANANA645.0NANANA494.0NANANANANANANANANANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanSponsorLocation,us-gaap:RetirementPlanType us-gaap:ForeignPlan,us-gaap:OtherPostretirementBenefitPlansDefinedBenefitNANA79.0NANANA92.0NANANA270.0NANANA309.0NANANA172.0NANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanSponsorLocation,us-gaap:RetirementPlanType us-gaap:ForeignPlan,us-gaap:PensionPlansDefinedBenefitNANA178.0NANANA122.0NANANA494.0NANANA392.0NANANA256.0NANANA
us-gaap:MinorityInterest ▁▁▁▂▂▂▂▂▂▂▃▇▆▆█2870.02930.02996.03231.03315.03448.03364.03389.03451.03614.03965.07111.06100.06082.07597.0NANANA577.0NANANA
us-gaap:OtherLiabilitiesNoncurrent ▃▃▄▅▆█▃▆▄▅▄▅▄▃▁8238.08360.08783.09253.09505.010499.08324.09433.08871.09044.08834.09090.08589.08390.07510.0NANANA4981.0NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent NANA681.0NANANA689.0705.0714.0757.0NANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA116.0NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA96.0NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA90.0NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA84.0NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA531.0NANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:StockholdersEquity ▃▄▃▅▆▇▆▇▇██▃▃▃▁62026.063058.061367.065204.066626.068843.066043.069287.069354.070305.069470.060787.062132.061432.058135.0NANANA21386.0NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▇▇▇▇▇█▇████▇▇▇▇▇▇▇▁64896.065988.064363.068435.069941.072291.069407.072676.072805.073919.073435.067898.068232.067514.065732.064996.068930.069519.021963.0NANANA
us-gaap:CommonStockValue ███████████▂▁▁▁64780.064772.064768.064764.064763.064760.064746.064735.064732.064728.064677.051944.051548.051127.050737.0NANANA10492.0NANANA
us-gaap:AdditionalPaidInCapital ▂▂▁▁▁▁▁▁▁▁▁███▆324.0324.0277.0265.0207.0202.0187.0206.0194.072.00.04346.04311.04313.03194.0NANANA3399.0NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▂▃▁▂▃▃▄▆▇▇▅▆▇██-8388.0-8093.0-9995.0-8442.0-7797.0-7808.0-6314.0-3932.0-3392.0-3640.0-5538.0-3718.0-2649.0-1982.0-2468.0NANANA-716.0NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▂▂▅▆█▃▄▄▅▇▄▅▄▃-2420.0-1675.0-1401.0899.01753.03989.0-272.0582.0124.01449.02672.0570.01277.0329.0-973.0NANANA1058.0NANANA
us-gaap:MinorityInterest ▁▁▁▂▂▂▂▂▂▂▃▇▆▆█2870.02930.02996.03231.03315.03448.03364.03389.03451.03614.03965.07111.06100.06082.07597.0NANANA577.0NANANA
 us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital▁▃▁▁▁▃▁▂▄▁▂▁▄▄▃▄▄█5.011.05.06.05.014.06.07.017.04.09.06.017.017.012.019.016.035.0NANANANA
 us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▂▂▂▂▂▂▁▃▁▁▇▇▇▇▇█▆▆77.066.068.068.088.076.060.094.054.046.0220.0212.0216.0209.0205.0248.0195.0191.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▅▄▄▅▆▃▆▅▄▅▂█▇▁▂▃▃2227.02564.02254.02302.02416.02809.01993.02735.02494.02176.02503.01461.03344.03194.01269.01568.01971.01776.0NANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▄▅▅▅▅█▄▅▃▇▇▅▄▂▃▃▁-1381.0-1958.0-1533.0-1378.0-996.0-1270.0371.0-1572.0-1309.0-2148.055.067.0-1071.0-2068.0-2968.0-2205.0-2381.0-3448.0NANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▅▄▄▃▃▁▄▄▆▁▃▂▄█▆▆█-898.0-565.0-925.0-721.0-1738.0-1386.0-2621.0-1066.0-1157.099.0-2692.0-1412.0-2390.0-1009.01395.0403.0365.01313.0NANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅▆▃█▁█▃▇▆▇▄▇▄▇▂▂▅▁-65.034.0-202.0195.0-343.0164.0-196.0105.010.0120.0-89.0104.0-101.0136.0-260.0-279.0-68.0-368.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ███▇█▆▇▇██▇█▇▇▁██▇278.0369.0529.0141.0490.0-713.0173.0174.0374.0435.0-97.0277.0-181.0-147.0-3602.0309.0255.0161.0NANANANA
us-gaap:DepreciationDepletionAndAmortization ▇████▆▆▅▅▅▄▄▅▅▄▅▆▁929.0932.0946.0935.0949.0882.0865.0844.0842.0840.0794.0799.0829.0824.0775.0848.0868.0672.0NANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▅▄▄▅▆▃▆▅▄▅▂█▇▁▂▃▃2227.02564.02254.02302.02416.02809.01993.02735.02494.02176.02503.01461.03344.03194.01269.01568.01971.01776.0NANANANA
us-gaap:NetIncomeLoss ▇██▆▇▁▆▆██▆▄▆▅▄▆▆▅▅▄▅▇1484.01992.01871.01084.01741.0-1333.0842.01045.01832.01986.01184.04.01160.0534.0291.0847.01000.0721.0441.0-30.0372.01286.0
us-gaap:ProfitLoss ▇██▆▇▁▆▆██▆▄▇▅▄▆▆▆1521.02014.01899.01104.01777.0-1364.0914.01060.01830.02023.01283.0213.01327.0510.065.01015.01241.0945.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▄▅▅▅▅█▄▅▃▇▇▅▄▂▃▃▁-1381.0-1958.0-1533.0-1378.0-996.0-1270.0371.0-1572.0-1309.0-2148.055.067.0-1071.0-2068.0-2968.0-2205.0-2381.0-3448.0NANANANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▂▆▄▃▁▁▃▁▁▄▇▂▄▄█▅▇▄1404.02059.01615.01438.01205.01147.01564.01143.01173.01612.02222.01341.01608.01635.02419.01946.02280.01642.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▅▄▄▃▃▁▄▄▆▁▃▂▄█▆▆█-898.0-565.0-925.0-721.0-1738.0-1386.0-2621.0-1066.0-1157.099.0-2692.0-1412.0-2390.0-1009.01395.0403.0365.01313.0NANANANA
us-gaap:RepaymentsOfLongTermDebt ▄▃▃▁▆▆▆▂▃▆▃▆▄▄▂█▆▂976.0912.0946.0249.01611.01657.01674.0410.0795.01789.0688.01610.01151.0996.0608.02262.01671.0513.0NANANANA
us-gaap:PaymentsOfDividendsCommonStock ██████▇▇▇▇▅▂▂▂▁▁▁▂1691.01691.01640.01640.01639.01641.01493.01504.01490.01486.01226.0761.0729.0764.0673.0650.0659.0768.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value64780647726476864764647636476064746647356473264728646775194451548511275073710492
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets40.340.340.439.939.338.039.738.839.338.938.831.831.231.331.312.3

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value202620262026202520252025202520242024202420221794171517051695943
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStock


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value2026202520221695943868852
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value20262023202120202021202020212019170816981689164216361187
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value20242022202120192019201820182016170516951685163516281177
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EmployeeStockOption


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value2027343416212110213029121313
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.690.940.880.490.82-0.710.370.470.860.940.6-0.050.630.260.090.470.560.54
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.690.940.880.490.82-0.710.360.470.860.940.6-0.050.630.260.090.470.560.54
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value7391718-429.0230-495.02928-12.015105077083429-703.021081836269-512.0-30.01101
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.231.6-4.35.6-11.552.9-0.135.311.112.329.7-15.640.528.72.1-5.5-0.39.9

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value9.0-3.0-16.0-50.014541-51.0-13.0
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.2-0.1-0.4-1.22.61.0-1.1-0.2

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Comprehensive
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value571650-145.0-30.0-41.05113-244.0-40.0-192.0-187.06724179-342.0
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest0.0-100.0-100.0-100.00.0-100.0-100.0-100.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.41.2-2.6-0.2-1.01.10.2-2.1-0.9-3.7-2.90.52.60.7-3.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value7481715-486.0214-545.030731815514566953684-601.024051983225-667.0-45.01475
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.431.5-4.95.2-12.655.50.136.310.012.131.9-13.446.231.01.7-7.2-0.413.2

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService

us-gaap:CostOfGoodsAndServicesSold

enb:CommoditySalesRevenue


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value643061984443285871636892721681296565663869056278699779395087
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax149.7113.9109.066.3129.455.8168.8178.6114.157.4153.6120.6109.461.655.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:CommoditySalesRevenue0.00.00.00.00.00.00.0270966.70.00.02317.1982.51009.70.00.0

enb:GasDistributionRevenue


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2899508325085557910431212077261124211324913215
Percentage of CostOfGoodsAndServicesSold4.515.31.98.711.98.41.43.818.410.91.66.718.911.54.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.717.52.05.815.44.72.46.921.06.32.58.120.77.12.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:GasDistributionRevenue39.961.918.536.460.30.022.141.465.00.023.449.268.70.037.5

Cost Of Revenue

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value671971485017452631088018747173208441777273647017669983218852530269187565
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax156.5131.450.1111.072.1144.860.5171.2185.4135.063.7156.1128.7130.268.757.562.267.9

us-gaap:CostOfRevenue us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Cost
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-154.0-166.0-179.0-168.0-104.0-113.0-111.0-120.0-128.0-148.0-121.0-125.0-146.0
Percentage of CostOfRevenue-2.3-2.3-4.0-5.4-1.3-1.5-1.5-1.4-1.6-2.0-1.7-1.9-1.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.6-3.1-4.4-3.9-1.9-0.9-2.6-2.6-2.2-1.3-2.7-2.4-2.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CostOfRevenue us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, enb:EnergyServicesConsolidate


Cost
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value4573461330217243696672878209662967246726578464557257442158625968
Percentage of CostOfRevenue91.2101.997.290.393.299.597.385.391.395.986.377.682.083.484.778.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax45.7113.170.1130.856.4170.5180.3115.258.2149.6111.1101.056.347.952.753.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:EnergyServicesConsolidate0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, enb:EnergyServicesSegment


Cost
Period End2021-06-302021-03-312020-06-302020-03-31
Value6567635330217243
Percentage of CostOfRevenue97.788.997.290.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax152.9116.870.1130.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:EnergyServicesSegment0.00.00.00.0

us-gaap:OperatingSegments, enb:GasDistributionandStorageSegment


Cost
Period End2021-06-302021-03-312020-06-302020-03-31
Value299958254872
Percentage of CostOfRevenue4.513.48.210.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.017.65.915.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:GasDistributionandStorageSegment32.353.028.451.9

us-gaap:OperatingSegments, enb:LiquidsPipelinesSegment


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7.03.07.05.01.07.04.0127.06.0
Percentage of CostOfRevenue0.10.00.10.10.00.10.10.20.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.10.10.00.10.00.30.20.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:LiquidsPipelinesSegment0.30.10.00.20.00.30.00.50.30.3

us-gaap:OperatingSegments, us-gaap:GasDistribution


Cost
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value87254872132344126477913744413889492424521046
Percentage of CostOfRevenue1.98.210.91.84.116.310.62.06.616.710.74.66.513.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.15.915.83.17.622.06.73.08.521.77.42.64.19.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:GasDistribution0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value913296397757701558581050010584100101097810237100491049191741184815850773794329788
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax212.7177.277.5172.1135.9189.785.7234.2241.2177.886.9233.3176.2185.3123.083.984.987.8

Disposal Group Not Discontinued Operation Gain Loss On Disposal

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, enb:MontanaAlbertaTieLineTransmissionAssets


Disposal
Period End2020-09-30
Value0.0
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations enb:MontanaAlbertaTieLineTransmissionAssets0.0

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, enb:OzarkGasTransmissionandOzarkGasGatheringAssets


Disposal
Period End2020-09-30
Value0.0
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations enb:OzarkGasTransmissionandOzarkGasGatheringAssets0.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value148415591794155418011600193017411695162518631652163616411658158716461551
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34.628.717.938.141.828.915.640.737.228.216.136.731.425.712.917.214.813.9

us-gaap:GeneralAndAdministrativeExpense us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


General
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value99-23.0-4.0246-99.0553547-58.043256097
Percentage of GeneralAndAdministrativeExpense6.7-1.5-0.313.7-6.22.82.02.8-3.62.31.53.75.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.3-0.4-0.15.7-1.80.40.81.0-1.00.40.61.21.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:GeneralAndAdministrativeExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, enb:EnergyServicesConsolidate


General
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-5.0152928-9.0191.0332317211213111112
Percentage of GeneralAndAdministrativeExpense-0.31.01.61.8-0.51.10.12.01.21.01.30.70.80.70.70.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.40.70.5-0.10.40.00.60.20.40.40.20.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:EnergyServicesConsolidate0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, enb:EnergyServicesSegment


General
Period End2021-06-302021-03-312020-06-302020-03-31
Value9.0142928
Percentage of GeneralAndAdministrativeExpense0.60.91.61.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.30.70.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:EnergyServicesSegment0.00.00.00.0

us-gaap:OperatingSegments, enb:GasDistributionandStorageSegment


General
Period End2021-06-302021-03-312020-06-302020-03-31
Value242272269249
Percentage of GeneralAndAdministrativeExpense16.317.414.915.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.65.06.24.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:GasDistributionandStorageSegment26.115.030.114.8

us-gaap:OperatingSegments, enb:GasTransmissionandMidstreamSegment


General
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value424434432438507550563513
Percentage of GeneralAndAdministrativeExpense28.627.827.824.331.731.633.231.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.98.010.610.29.212.912.48.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:GasTransmissionandMidstreamSegment37.936.137.636.637.844.444.139.3

us-gaap:OperatingSegments, enb:LiquidsPipelinesSegment


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value673819873811782865906815776801
Percentage of GeneralAndAdministrativeExpense45.452.548.752.243.454.146.946.845.849.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.715.18.719.918.115.67.319.117.013.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:LiquidsPipelinesSegment30.734.80.035.936.135.10.034.934.435.7

us-gaap:OperatingSegments, enb:RenewablePowerGenerationSegment


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value37434757375052554042
Percentage of GeneralAndAdministrativeExpense2.52.82.63.72.13.12.73.22.42.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.90.80.51.40.90.90.41.30.90.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:RenewablePowerGenerationSegment67.356.60.0123.968.5100.00.0119.693.084.0

us-gaap:OperatingSegments, us-gaap:GasDistribution


General
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value243269249267268294329263271248284246241189
Percentage of GeneralAndAdministrativeExpense15.614.915.615.315.818.117.715.916.615.117.115.514.612.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.06.24.56.25.95.12.85.85.23.92.22.72.21.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:GasDistribution0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value17912497240013352368-1913.0134713152266260713435601230437-3450.0134215341143
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax41.745.924.032.755.0-34.610.930.849.845.311.612.523.66.8-26.814.513.810.3

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value189911041777-1364.0914106018302023128321313275106510151241945847-237.03521347
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.027.141.2-24.67.424.840.235.111.14.725.58.00.511.011.28.59.1-2.84.415.3

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value270483501231591-549.043325543658460347-97.0-73.0-3515.0327293198
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.38.95.05.713.7-9.93.56.09.610.10.57.7-1.9-1.1-27.33.52.61.8

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value618657685718681706697644637685661696690656852653565486
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.412.16.817.615.812.85.615.114.011.95.715.513.310.36.67.15.14.4

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value14841992187110841741-1333.084210451832198611844.011605342918471000721441-30.03721286
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34.636.618.726.640.4-24.16.824.440.234.510.20.122.38.42.39.29.06.54.7-0.44.714.6

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value14841992187110841741-1333.084210451832198611844.011605342918471000721
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34.636.618.726.640.4-24.16.824.440.234.510.20.122.38.42.39.29.06.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3722282036-31.07215-2.03799209167-24.0-226.0168241224
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.90.40.30.50.8-0.60.60.4-0.00.60.94.63.2-0.4-1.81.82.22.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1394190017759901647-1429.0746949173618911089-90.01071445207765919638365-103.03011213
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.534.917.724.338.2-25.86.022.238.132.99.4-2.020.67.01.68.38.35.73.9-1.23.813.8

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value241211503258624-1147.0-68.0382052605824-14.0-120.01322517935
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.63.95.06.314.5-20.7-0.60.94.54.50.50.5-0.3-1.90.12.41.60.3

us-gaap:NonoperatingIncomeExpense us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Nonoperating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value194180192533-1058.0173-15.0160197-298.053-59.0-177.0
Percentage of NonoperatingIncomeExpense80.585.374.485.492.2-254.4-39.578.075.8-513.8220.8421.4147.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.53.34.712.4-19.11.4-0.43.53.4-2.61.2-1.1-2.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NonoperatingIncomeExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, enb:EnergyServicesConsolidate


Nonoperating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value4.01.04.0-8.04.0-6.03.02.0-1.0-2.01.00.05.0-5.01.01.0
Percentage of NonoperatingIncomeExpense0.80.40.60.7-5.9-15.81.50.8-1.7-8.3-7.1-0.038.5-2.20.62.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.1-0.10.0-0.10.10.0-0.0-0.00.00.00.0-0.10.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:EnergyServicesConsolidate0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, enb:EnergyServicesSegment


Nonoperating
Period End2021-06-302021-03-312020-06-302020-03-31
Value-8.0-2.04.0-8.0
Percentage of NonoperatingIncomeExpense-3.3-0.90.60.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.2-0.00.1-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:EnergyServicesSegment0.00.00.00.0

us-gaap:OperatingSegments, enb:GasDistributionandStorageSegment


Nonoperating
Period End2021-06-302021-03-312020-06-302020-03-31
Value19191120
Percentage of NonoperatingIncomeExpense7.99.01.8-1.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.30.30.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:GasDistributionandStorageSegment2.11.11.21.2

us-gaap:OperatingSegments, enb:GasTransmissionandMidstreamSegment


Nonoperating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value32112817-93.0282318
Percentage of NonoperatingIncomeExpense13.35.210.92.78.173.711.26.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.70.20.70.4-1.70.70.50.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:GasTransmissionandMidstreamSegment2.90.92.41.4-6.92.31.81.4

us-gaap:OperatingSegments, enb:LiquidsPipelinesSegment


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-3.08.0171530-9.04.00.02.024
Percentage of NonoperatingIncomeExpense-1.23.83.45.84.80.8-5.90.01.09.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.10.10.20.40.7-0.20.00.00.00.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:LiquidsPipelinesSegment-0.10.30.00.71.4-0.40.00.00.11.1

us-gaap:OperatingSegments, enb:RenewablePowerGenerationSegment


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7.0-5.03.02.0291.02.04.0-6.01.0
Percentage of NonoperatingIncomeExpense2.9-2.40.60.84.6-0.1-2.910.5-2.90.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.2-0.10.00.00.70.00.00.1-0.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:RenewablePowerGenerationSegment12.7-6.60.04.353.72.00.08.7-14.02.0

us-gaap:OperatingSegments, us-gaap:GasDistribution


Nonoperating
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value201120272318232325183.0154.02.0
Percentage of NonoperatingIncomeExpense7.81.8-1.771.111.26.939.795.8-178.6-15.023.16.72.25.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.30.40.60.50.30.20.50.50.30.00.20.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:GasDistribution0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value181625482251209520981513176815882285261915138541571878-2961.0149016841358329-216.07941674
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax42.346.822.551.448.727.314.337.150.245.513.119.030.213.7-23.016.115.112.23.5-2.510.019.0

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-835.0-796.0-2670.0-1119.0-2701.05637-1137.0704-1311.0-1291.02962-989.0104715798.0-2057.0-1443.0432
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-19.4-14.6-26.7-27.4-62.7101.8-9.216.5-28.8-22.425.6-22.020.124.70.1-22.3-13.03.9

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-773.0-299.0-2385.0-890.0-2322.04437-896.0491-1374.0-1328.02401-814.010781473160-1682.0-1286.0530
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-18.0-5.5-23.8-21.8-53.980.1-7.311.5-30.2-23.120.8-18.120.723.01.2-18.2-11.64.8

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value8259828598-191.066816546455-33.0296517756740
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.91.10.82.12.3-3.50.51.91.40.83.9-0.70.61.00.10.80.60.4

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value15212014189911041777-1364.0914106018302023128321313275106510151241945
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.437.019.027.141.2-24.67.424.840.235.111.14.725.58.00.511.011.28.5

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value4294544110008407743095536123524275455257561156244965207639312889922711116111469338848879398795
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, enb:ElectricityandTransmissionRevenue, enb:RenewablePowerGenerationSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value55764846545041464350
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.40.51.11.30.90.31.10.90.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.40.51.11.30.90.31.10.90.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:ElectricityandTransmissionRevenue enb:RenewablePowerGenerationSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, enb:GasDistributionRevenue, enb:GasDistributionandStorageSegment


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7251534448686141711304707541856
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.928.211.015.925.69.111.016.632.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.928.211.015.925.69.111.016.632.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:GasDistributionRevenue enb:GasDistributionandStorageSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, enb:GasGatheringandProcessingRevenue, enb:GasTransmissionandMidstreamSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value10.07.08.07.05.07.09498115116
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.10.20.10.10.82.32.52.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.10.20.10.10.82.32.52.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:GasGatheringandProcessingRevenue enb:GasTransmissionandMidstreamSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, enb:StorageandOtherRevenue, enb:GasDistributionandStorageSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value51584951564747485254
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.10.51.31.30.80.41.11.10.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.10.51.31.30.80.41.11.10.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:StorageandOtherRevenue enb:GasDistributionandStorageSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, enb:StorageandOtherRevenue, enb:GasTransmissionandMidstreamSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value637465646679100694653
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.40.61.61.51.40.81.61.00.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.40.61.61.51.40.81.61.00.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:StorageandOtherRevenue enb:GasTransmissionandMidstreamSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, enb:StorageandOtherRevenue, enb:LiquidsPipelinesSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value37262222242626312527
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.90.50.20.50.60.50.20.70.50.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.90.50.20.50.60.50.20.70.50.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:StorageandOtherRevenue enb:LiquidsPipelinesSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, enb:TransportationRevenue, enb:GasDistributionandStorageSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value150216180128151215188135171249
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.54.01.83.13.53.91.53.23.84.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.54.01.83.13.53.91.53.23.84.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:TransportationRevenue enb:GasDistributionandStorageSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, enb:TransportationRevenue, enb:GasTransmissionandMidstreamSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1046112110651077112612551154107311131137
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.420.610.626.426.122.79.325.124.519.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.420.610.626.426.122.79.325.124.519.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:TransportationRevenue enb:GasTransmissionandMidstreamSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, enb:TransportationRevenue, enb:LiquidsPipelinesSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2157232923462234214124402333230522302214
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax50.242.823.454.849.744.118.953.949.038.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax50.242.823.454.849.744.118.953.949.038.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:TransportationRevenue enb:LiquidsPipelinesSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, enb:GasDistributionandStorageSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value92618081341627893167913656539772159
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.633.213.415.420.730.311.115.321.537.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.633.213.415.420.730.311.115.321.537.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:GasDistributionandStorageSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, enb:GasTransmissionandMidstreamSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1119120211381148119713411349124012771306
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.122.111.428.227.824.210.929.028.122.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.122.111.428.227.824.210.929.028.122.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:GasTransmissionandMidstreamSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, enb:LiquidsPipelinesSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2194235523682256216524662359233622552241
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax51.143.323.755.350.244.519.154.649.538.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax51.143.323.755.350.244.519.154.649.538.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:LiquidsPipelinesSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, enb:RenewablePowerGenerationSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value55764846545041464350
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.40.51.11.30.90.31.10.90.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.40.51.11.30.90.31.10.90.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:RenewablePowerGenerationSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

enb:ElectricityandTransmissionRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value55764846545041464350142115148154
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.40.51.11.30.90.31.10.90.91.22.62.82.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.40.51.11.30.90.31.10.90.91.22.62.82.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:ElectricityandTransmissionRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:GasDistributionRevenue


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value7251534448686141711304707541856111647885619261432573847
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.928.211.015.925.69.111.016.632.29.710.616.430.111.16.27.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.928.211.015.925.69.111.016.632.29.710.616.430.111.16.27.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:GasDistributionRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:GasGatheringandProcessingRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value10.07.08.07.05.07.09498115116179200231205
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.10.20.10.10.82.32.52.01.54.44.43.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.10.20.10.10.82.32.52.01.54.44.43.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:GasGatheringandProcessingRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:StorageandOtherRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value15115813613714615217314812313469139145166
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.52.91.43.43.42.71.43.52.72.30.63.12.82.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.52.91.43.43.42.71.43.52.72.30.63.12.82.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:StorageandOtherRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:TransportationRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value33533666359134393418391036753513351436003588326631883249
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax78.167.435.984.479.370.629.882.277.262.531.072.661.250.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax78.167.435.984.479.370.629.882.277.262.531.072.661.250.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:TransportationRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

enb:GasDistributionandStorageSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value92618081341627893167913656539772159
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.633.213.415.420.730.311.115.321.537.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.633.213.415.420.730.311.115.321.537.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:GasDistributionandStorageSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:GasTransmissionandMidstreamSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1119120211381148119713411349124012771306
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.122.111.428.227.824.210.929.028.122.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.122.111.428.227.824.210.929.028.122.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:GasTransmissionandMidstreamSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:LiquidsPipelinesSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2194235523682256216524662359233622552241
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax51.143.323.755.350.244.519.154.649.538.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax51.143.323.755.350.244.519.154.649.538.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:LiquidsPipelinesSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:RenewablePowerGenerationSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value55764846545041464350
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.40.51.11.30.90.31.10.90.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.40.51.11.30.90.31.10.90.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:RenewablePowerGenerationSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments, us-gaap:TimingOfTransferOfGoodOrService

enb:GasDistributionandStorageSegment, us-gaap:TransferredAtPointInTime


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value17171515151514171717
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.30.10.40.30.30.10.40.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.30.10.40.30.30.10.40.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:GasDistributionandStorageSegment us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:GasDistributionandStorageSegment, us-gaap:TransferredOverTime


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value90917911326612878166413516369602142
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.232.913.215.020.430.110.914.921.137.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.232.913.215.020.430.110.914.921.137.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:GasDistributionandStorageSegment us-gaap:TransferredOverTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:GasTransmissionandMidstreamSegment, us-gaap:TransferredOverTime


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1119120211381148119713411348124012741306
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.122.111.428.227.824.210.929.028.022.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.122.111.428.227.824.210.929.028.022.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:GasTransmissionandMidstreamSegment us-gaap:TransferredOverTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:LiquidsPipelinesSegment, us-gaap:TransferredOverTime


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2194235523682256216524662359233622552241
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax51.143.323.755.350.244.519.154.649.538.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax51.143.323.755.350.244.519.154.649.538.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:LiquidsPipelinesSegment us-gaap:TransferredOverTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:RenewablePowerGenerationSegment, us-gaap:TransferredOverTime


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value55764846545041464350
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.40.51.11.30.90.31.10.90.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.40.51.11.30.90.31.10.90.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:RenewablePowerGenerationSegment us-gaap:TransferredOverTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TimingOfTransferOfGoodOrService

us-gaap:TransferredAtPointInTime


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value17171515151515172017-37.0318659718
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.30.10.40.30.30.10.40.40.3-0.37.112.711.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.30.10.40.30.30.10.40.40.3-0.37.112.711.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TransferredAtPointInTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TransferredOverTime


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value42775424488040624294552150994258453257395091417845485675
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax99.699.748.899.699.799.741.399.699.699.744.092.987.388.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax99.699.748.899.699.799.741.399.699.699.744.092.987.388.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TransferredOverTime100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1094812187100089110795612013123521159813263128561156211345107451272612889922711116111469338848879398795
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax255.0224.0100.0223.4184.6217.0100.0271.3291.4223.3100.0252.3206.4199.1100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems

enb:EliminationsAndReconcilingItems


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-157.0-149.0-172.0-168.0-194.0-111.0-115.0-100.0-126.0-136.0-147.0-120.0-124.0-146.0
Percentage of Revenues-1.4-1.2-1.7-1.8-2.4-0.9-0.9-0.9-1.0-1.1-1.3-1.1-1.2-1.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.7-2.7-1.7-4.1-4.5-2.0-0.9-2.3-2.8-2.4-1.3-2.7-2.4-2.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:EliminationsAndReconcilingItems0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IntersegmentElimination


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-157.0-149.0-149.0-168.0-194.0-111.0-115.0-100.0-126.0-136.0-147.0-120.0-124.00.0
Percentage of Revenues-1.4-1.2-1.5-1.8-2.4-0.9-0.9-0.9-1.0-1.1-1.3-1.1-1.20.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.7-2.7-1.5-4.1-4.5-2.0-0.9-2.3-2.8-2.4-1.3-2.7-2.40.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Revenues us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, enb:EnergyServicesConsolidate


Revenuesus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value4340459629497398688074038418667371146646583666327010428458556133
Percentage of Revenues43.450.537.161.655.763.863.551.961.558.654.352.154.446.452.755.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax43.4112.768.4133.655.7173.2184.9115.961.5147.8112.1103.754.446.452.755.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:EnergyServicesConsolidate0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, enb:EnergyServicesSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6345643343404596294973986880740384186673
Percentage of Revenues58.052.843.450.537.161.655.763.863.551.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax147.8118.243.4112.768.4133.655.7173.2184.9115.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:EnergyServicesSegment0.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, enb:GasDistributionandStorageSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value95318231363621903168213766359772191
Percentage of Revenues8.715.013.66.811.314.011.15.57.417.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.233.513.615.221.030.411.114.921.538.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:GasDistributionandStorageSegment102.9100.8101.699.0101.1100.2100.897.2100.0101.5

us-gaap:OperatingSegments, enb:GasTransmissionandMidstreamSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1128121411481162120313571337126412881318
Percentage of Revenues10.310.011.512.815.111.310.810.99.710.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.322.311.528.527.924.510.829.628.322.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:GasTransmissionandMidstreamSegment100.8101.0100.9101.2100.5101.299.1101.9100.9100.9

us-gaap:OperatingSegments, enb:LiquidsPipelinesSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2547269931712773294515342724226825692658
Percentage of Revenues23.322.131.730.437.012.822.119.619.420.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax59.349.631.768.068.327.722.153.156.446.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:LiquidsPipelinesSegment116.1114.6133.9122.9136.062.2115.597.1113.9118.6

us-gaap:OperatingSegments, enb:RenewablePowerGenerationSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value132167158126150153150128137152
Percentage of Revenues1.21.41.61.41.91.31.21.11.01.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.13.11.63.13.52.81.23.03.02.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments enb:RenewablePowerGenerationSegment240.0219.7329.2273.9277.8306.0365.9278.3318.6304.0

us-gaap:OperatingSegments, us-gaap:GasDistribution


Revenuesus-gaap:
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value62190316826359772191151864510702237167071610221584
Percentage of Revenues6.811.314.05.57.417.013.15.710.017.613.07.89.214.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.221.030.414.921.538.113.114.320.535.013.07.89.214.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:GasDistribution0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Revenues us-gaap:ProductOrService

enb:CommoditySalesRevenue


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value6334642945952936738968657396841666327022691964516575778850126620
Percentage of Revenues57.952.850.436.961.555.663.863.551.660.761.060.051.760.454.359.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax147.5118.2112.768.1133.555.6173.0184.9115.260.7153.9123.9102.860.454.359.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:CommoditySalesRevenue0.00.00.00.00.0686500.00.0280533.30.0-17555.02321.81009.5948.80.00.00.0

enb:GasDistributionRevenue


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value7371540440694141611204547551876110047885619261432573847
Percentage of Revenues6.712.64.88.711.89.13.95.714.69.54.28.015.111.16.27.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.228.310.816.125.69.110.616.632.69.510.616.430.111.16.27.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:GasDistributionRevenue101.7100.498.2101.299.999.196.6100.1101.198.6100.0100.0100.0100.0100.0100.0

enb:TransportationAndOtherServicesRevenues


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value3877421840754326320843673748409243483440394834383532366936423649
Percentage of Revenues35.434.644.754.426.735.432.330.933.829.834.832.027.828.539.532.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax90.377.5100.0100.457.935.487.789.975.529.887.866.055.228.539.532.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax enb:TransportationAndOtherServicesRevenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value16072716069516027616248816469417025416326916664116482816650816690516322316543616349416209385209
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsus-gaap:
Period End2020-12-312019-12-31
Value37053893
Percentage of Assets2.32.4
Percentage of Assets2.32.4
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value95831947079591394053947539796393862939659202392589934709100492771921659229459854
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets59.658.959.857.957.557.557.556.455.855.656.055.856.156.456.970.2

us-gaap:Liabilities us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesus-gaap:
Period End2020-12-312019-12-31
Value232191
Percentage of Liabilities0.20.2
Percentage of Assets0.10.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary6.34.9

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value16072716069516027616248816469417025416326916664116482816650816690516322316543616349416209385209
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value62026630586136765204666266884366043692876935470305694706078762132614325813521386
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets38.639.238.340.140.540.440.541.642.142.241.637.237.637.635.925.1

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value8162763473506424695781518825805583938382857278317984791492157787
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.14.84.64.04.24.85.44.85.15.05.14.84.84.85.79.1

us-gaap:AssetsCurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assets
Period End2020-12-312019-12-31
Value288289
Percentage of AssetsCurrent3.93.3
Percentage of Assets0.20.2
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary7.87.4

us-gaap:AssetsCurrent us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Assets
Period End2020-12-312019-12-31
Value31362481
Percentage of AssetsCurrent42.728.1
Percentage of Assets2.01.5
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees0.00.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-31
Value3744654526574627996488157087025186434576104801494654799
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.30.30.40.30.50.40.50.40.40.30.40.30.40.31.80.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Cash
Period End2020-12-312019-12-31
Value215208
Percentage of CashAndCashEquivalentsAtCarryingValue47.632.1
Percentage of Assets0.10.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary5.85.3

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value459524490692497840676872767757637726622723587847112611941562688
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.40.30.50.40.50.50.50.40.40.40.40.40.00.00.01.80.0

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value148085315361368961699129912611284104713391362120587215281233
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.51.00.80.60.40.80.80.80.60.80.80.70.50.91.4

us-gaap:InventoryNet us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Inventory
Period End2020-12-312019-12-31
Value7.04.0
Percentage of InventoryNet0.50.3
Percentage of Assets0.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.20.1

Assets Noncurrent

us-gaap:AssetsNoncurrent us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:AssetsNoncurrent

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Assets
Period End2020-12-312019-12-31
Value4595548942
Percentage of AssetsNoncurrent100.0100.0
Percentage of Assets28.730.0
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees0.00.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value11795411396311218410581378895
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0
Percentage of Assets73.669.867.265.392.6

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

enb:CompressorsMetersAndOtherOperatingEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value28722748589357744014
Percentage of PropertyPlantAndEquipmentGross2.42.45.35.55.1
Percentage of Assets1.81.73.53.64.7
Percentage of Assets enb:CompressorsMetersAndOtherOperatingEquipment0.00.00.00.00.0

enb:GasMainsServicesAndOther


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1247612194174741702610022
Percentage of PropertyPlantAndEquipmentGross10.610.715.616.112.7
Percentage of Assets7.87.510.510.511.8
Percentage of Assets enb:GasMainsServicesAndOther0.00.00.00.00.0

enb:LandAndRightOfWay


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value29242947260325382067
Percentage of PropertyPlantAndEquipmentGross2.52.62.32.42.6
Percentage of Assets1.81.81.61.62.4
Percentage of Assets enb:LandAndRightOfWay0.00.00.00.00.0

enb:ProcessingAndTreatingPlants


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4877491416341440846
Percentage of PropertyPlantAndEquipmentGross4.14.31.51.41.1
Percentage of Assets3.03.01.00.91.0
Percentage of Assets enb:ProcessingAndTreatingPlants0.00.00.00.00.0

enb:PumpingEquipmentBuildingTanksAndOther


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3005729287169351661015554
Percentage of PropertyPlantAndEquipmentGross25.525.715.115.719.7
Percentage of Assets18.817.910.110.218.3
Percentage of Assets enb:PumpingEquipmentBuildingTanksAndOther0.00.00.00.00.0

enb:Storage


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value15951486171315450.0
Percentage of PropertyPlantAndEquipmentGross1.41.31.51.50.0
Percentage of Assets1.00.91.01.00.0
Percentage of Assets enb:Storage0.00.00.00.00.0

enb:WindTurbinesSolarPanelsAndOther


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value57624057506348044259
Percentage of PropertyPlantAndEquipmentGross4.93.64.54.55.4
Percentage of Assets3.62.53.03.05.0
Percentage of Assets enb:WindTurbinesSolarPanelsAndOther0.00.00.00.00.0

us-gaap:Pipelines


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5739156330500784772034474
Percentage of PropertyPlantAndEquipmentGross48.749.444.645.143.7
Percentage of Assets35.834.530.029.440.5
Percentage of Assets us-gaap:Pipelines0.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2338320240176441510214611
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0
Percentage of Assets14.612.410.69.317.1

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value95273951419457195990963029848393723943799320293875945409067994058925219071164284
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets59.359.259.059.158.557.857.456.656.556.456.655.656.956.656.075.4

us-gaap:PropertyPlantAndEquipmentNet us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Property
Period End2020-12-312019-12-31
Value32013392
Percentage of PropertyPlantAndEquipmentNet3.43.6
Percentage of Assets2.02.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary86.487.1

us-gaap:PropertyPlantAndEquipmentNet us-gaap:ConsolidationItems

enb:EliminationsAndReconcilingItems


Property
Period End2020-12-312019-12-312018-12-31
Value429368220
Percentage of PropertyPlantAndEquipmentNet0.50.40.2
Percentage of Assets0.30.20.1
Percentage of Assets enb:EliminationsAndReconcilingItems0.00.00.0

us-gaap:PropertyPlantAndEquipmentNet us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, enb:EnergyServicesConsolidate


Property
Period End2020-12-312019-12-312018-12-31
Value242422
Percentage of PropertyPlantAndEquipmentNet0.00.00.0
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:OperatingSegments enb:EnergyServicesConsolidate0.00.02.1

us-gaap:OperatingSegments, enb:GasDistributionandStorageSegment


Property
Period End2020-12-312019-12-312018-12-31
Value160791562215148
Percentage of PropertyPlantAndEquipmentNet17.016.716.0
Percentage of Assets10.09.69.1
Percentage of Assets us-gaap:OperatingSegments enb:GasDistributionandStorageSegment0.00.00.0

us-gaap:OperatingSegments, enb:GasPipelinesAndProcessing


Property
Period End2020-12-312019-12-312018-12-31
Value257452526825601
Percentage of PropertyPlantAndEquipmentNet27.227.027.1
Percentage of Assets16.115.515.3
Percentage of Assets us-gaap:OperatingSegments enb:GasPipelinesAndProcessing0.00.042.3

us-gaap:OperatingSegments, enb:LiquidsPipelinesSegment


Property
Period End2020-12-312019-12-312018-12-31
Value487994878349214
Percentage of PropertyPlantAndEquipmentNet51.652.152.1
Percentage of Assets30.429.929.5
Percentage of Assets us-gaap:OperatingSegments enb:LiquidsPipelinesSegment0.00.00.0

us-gaap:OperatingSegments, enb:RenewablePowerGenerationSegment


Property
Period End2020-12-312019-12-312018-12-31
Value349536584335
Percentage of PropertyPlantAndEquipmentNet3.73.94.6
Percentage of Assets2.22.22.6
Percentage of Assets us-gaap:OperatingSegments enb:RenewablePowerGenerationSegment0.00.00.0

us-gaap:PropertyPlantAndEquipmentNet us-gaap:StatementGeographical

country:CA


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4649945993447164602532008
Percentage of PropertyPlantAndEquipmentNet49.249.147.350.749.8
Percentage of Assets29.028.226.828.437.6
Percentage of Assets country:CA0.00.00.00.00.0

country:US


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4807247730498244468632276
Percentage of PropertyPlantAndEquipmentNet50.850.952.749.350.2
Percentage of Assets30.029.229.927.637.9
Percentage of Assets country:US0.00.00.00.00.0

Long Term Investments

us-gaap:LongTermInvestments

us-gaap:LongTermInvestments


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value1335813627138181451315352159861652816831165311690216707159831639117360166446836
Percentage of LongTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.38.58.68.99.39.410.110.110.010.210.09.89.910.610.38.0

us-gaap:LongTermInvestments us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Long
Period End2020-12-312019-12-31
Value1415
Percentage of LongTermInvestments0.10.1
Percentage of Assets0.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.40.4

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value32014323653268833832343873554933153336683334233895344593347735436351683445778
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.920.120.420.820.920.920.320.220.220.420.620.521.421.521.30.1

us-gaap:Goodwill us-gaap:StatementBusinessSegments

enb:GasDistributionandStorageSegment


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-31
Value537853565356
Percentage of Goodwill16.516.215.5
Percentage of Assets3.43.33.2
Percentage of Assets enb:GasDistributionandStorageSegment0.00.00.0

enb:GasTransmissionandMidstreamSegment


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-31
Value194801984420777
Percentage of Goodwill59.659.960.3
Percentage of Assets12.212.212.4
Percentage of Assets enb:GasTransmissionandMidstreamSegment0.00.00.0

enb:LiquidsPipelinesSegment


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-31
Value782879518324
Percentage of Goodwill23.924.024.2
Percentage of Assets4.94.95.0
Percentage of Assets enb:LiquidsPipelinesSegment0.00.00.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2204221920802122215822392173221622152301237232733556345532671573
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.41.31.31.31.31.31.31.31.41.42.02.12.12.01.8

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Finite
Period End2020-12-312019-12-31
Value115124
Percentage of FiniteLivedIntangibleAssetsNet5.55.7
Percentage of Assets0.10.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary3.13.2

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

enb:PowerPurchaseAgreements


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4548758286
Percentage of FiniteLivedIntangibleAssetsNet2.22.23.22.55.5
Percentage of Assets0.00.00.00.10.1
Percentage of Assets enb:PowerPurchaseAgreements0.00.00.00.00.0

enb:ProjectAgreements


Finite
Period End2020-12-312019-12-312018-12-312017-12-31
Value132140154147
Percentage of FiniteLivedIntangibleAssetsNet6.36.46.54.5
Percentage of Assets0.10.10.10.1
Percentage of Assets enb:ProjectAgreements0.00.00.00.0

us-gaap:CustomerRelationships


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value585630692926247
Percentage of FiniteLivedIntangibleAssetsNet28.129.029.228.315.7
Percentage of Assets0.40.40.40.60.3
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.0

us-gaap:OtherIntangibleAssets


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3603814381066151
Percentage of FiniteLivedIntangibleAssetsNet17.317.518.532.69.6
Percentage of Assets0.20.20.30.70.2
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.0

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value95897410131046781
Percentage of FiniteLivedIntangibleAssetsNet46.144.842.732.049.7
Percentage of Assets0.60.60.60.60.9
Percentage of Assets us-gaap:SoftwareAndSoftwareDevelopmentCosts0.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value708713733738745771
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.40.40.40.0

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value34974536460451353718
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0
Percentage of Assets2.22.82.83.24.4

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2020-12-312019-12-312018-12-31
Value978652850
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0
Percentage of Assets0.60.40.5

Dividends Payable Current

us-gaap:DividendsPayableCurrent

us-gaap:DividendsPayableCurrent


Dividends
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value172816781539116929
Percentage of DividendsPayableCurrent100.0100.0100.0100.0100.0
Percentage of Assets1.11.00.90.70.0

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value13550129261397911598114401398816010135481336813125148551316714313127721462412343
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.48.08.77.16.98.29.88.18.17.98.98.18.77.89.014.5

us-gaap:LiabilitiesCurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilities
Period End2020-12-312019-12-31
Value5256
Percentage of LiabilitiesCurrent0.40.3
Percentage of Assets0.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary1.41.4

us-gaap:LiabilitiesCurrent us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Liabilities
Period End2020-12-312019-12-31
Value35394047
Percentage of LiabilitiesCurrent25.325.3
Percentage of Assets2.22.5
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees0.00.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value809499996786
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.10.10.10.00.0

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6525838541338895
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.50.81.1

Liabilities Noncurrent

us-gaap:LiabilitiesNoncurrent us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:LiabilitiesNoncurrent

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Liabilities
Period End2020-12-312019-12-31
Value1963918126
Percentage of LiabilitiesNoncurrent100.0100.0
Percentage of Assets12.311.1
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees0.00.0

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2020-12-312019-12-312017-12-31
Value653586358562927
Percentage of LongTermDebt100.0100.0100.0
Percentage of Assets40.838.938.8

us-gaap:LongTermDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

enb:FixedToFixedSubordinatedTermNotes, us-gaap:SubordinatedDebt


Long
Period End2021-03-312020-12-312020-09-302019-12-31
Value7800780066006600
Percentage of LongTermDebt0.011.90.010.4
Percentage of Assets4.94.94.14.0
Percentage of Assets enb:FixedToFixedSubordinatedTermNotes us-gaap:SubordinatedDebt0.00.00.00.0

enb:FixedToFloatingSubordinatedTermNotes, us-gaap:SubordinatedDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value7600770077008000675869556550663765826675731770534344
Percentage of LongTermDebt0.00.011.80.00.00.010.30.00.00.00.00.06.9
Percentage of Assets4.74.84.84.94.14.14.04.04.04.04.44.32.7
Percentage of Assets enb:FixedToFloatingSubordinatedTermNotes us-gaap:SubordinatedDebt0.00.00.00.00.00.00.00.00.00.00.00.00.0

Debt And Capital Lease Obligations

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:DebtAndCapitalLeaseObligations


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value6689764963646106518040945
Percentage of DebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0
Percentage of Assets41.739.838.740.248.1

us-gaap:DebtAndCapitalLeaseObligations dei:LegalEntity, us-gaap:LongtermDebtType

enb:EnbridgeEnergyPartnersLp, us-gaap:SeniorNotes


Debt
Period End2020-12-312019-12-31
Value38863955
Percentage of DebtAndCapitalLeaseObligations5.86.1
Percentage of Assets2.42.4
Percentage of Assets enb:EnbridgeEnergyPartnersLp us-gaap:SeniorNotes0.00.0

enb:EnbridgeGasInc., enb:CommercialPaperAndCreditFacilityDraws


Debt
Period End2020-12-312019-12-31
Value1121898
Percentage of DebtAndCapitalLeaseObligations1.71.4
Percentage of Assets0.70.6
Percentage of Assets enb:EnbridgeGasInc. enb:CommercialPaperAndCreditFacilityDraws0.00.0

enb:EnbridgeGasInc., us-gaap:MediumTermNotes


Debt
Period End2020-12-312019-12-31
Value84857685
Percentage of DebtAndCapitalLeaseObligations12.711.8
Percentage of Assets5.34.7
Percentage of Assets enb:EnbridgeGasInc. us-gaap:MediumTermNotes0.00.0

enb:EnbridgePipelinesInc, enb:CommercialPaperAndCreditFacilityDraws


Debt
Period End2020-12-312019-12-31
Value12782030
Percentage of DebtAndCapitalLeaseObligations1.93.1
Percentage of Assets0.81.2
Percentage of Assets enb:EnbridgePipelinesInc enb:CommercialPaperAndCreditFacilityDraws0.00.0

enb:EnbridgePipelinesInc, us-gaap:MediumTermNotes


Debt
Period End2020-12-312019-12-31
Value47755125
Percentage of DebtAndCapitalLeaseObligations7.17.9
Percentage of Assets3.03.1
Percentage of Assets enb:EnbridgePipelinesInc us-gaap:MediumTermNotes0.00.0

enb:EnbridgePipelinesSouthernLightsLLC, us-gaap:SeniorNotes


Debt
Period End2020-12-312019-12-31
Value10381129
Percentage of DebtAndCapitalLeaseObligations1.61.7
Percentage of Assets0.60.7
Percentage of Assets enb:EnbridgePipelinesSouthernLightsLLC us-gaap:SeniorNotes0.00.0

enb:EnbridgeSouthernLightsLP, us-gaap:SeniorNotes


Debt
Period End2020-12-312019-12-31
Value257272
Percentage of DebtAndCapitalLeaseObligations0.40.4
Percentage of Assets0.20.2
Percentage of Assets enb:EnbridgeSouthernLightsLP us-gaap:SeniorNotes0.00.0

enb:EnbridgeUSInc, enb:CommercialPaperAndCreditFacilityDraws


Debt
Period End2020-12-312019-12-31
Value4921734
Percentage of DebtAndCapitalLeaseObligations0.72.7
Percentage of Assets0.31.1
Percentage of Assets enb:EnbridgeUSInc enb:CommercialPaperAndCreditFacilityDraws0.00.0

enb:EnbridgeUSInc, us-gaap:CapitalLeaseObligations


Debt
Period End2020-12-31
Value7.0
Percentage of DebtAndCapitalLeaseObligations0.0
Percentage of Assets0.0
Percentage of Assets enb:EnbridgeUSInc us-gaap:CapitalLeaseObligations0.0

enb:SpectraEnergyCorp, us-gaap:SeniorNotes


Debt
Period End2020-12-312019-12-31
Value220224
Percentage of DebtAndCapitalLeaseObligations0.30.3
Percentage of Assets0.10.1
Percentage of Assets enb:SpectraEnergyCorp us-gaap:SeniorNotes0.00.0

enb:SpectraEnergyPartnersLP, us-gaap:SeniorNotes


Debt
Period End2020-12-312019-12-31
Value83328481
Percentage of DebtAndCapitalLeaseObligations12.513.1
Percentage of Assets5.25.2
Percentage of Assets enb:SpectraEnergyPartnersLP us-gaap:SeniorNotes0.00.0

enb:WestcoastEnergyInc, enb:Debentures


Debt
Period End2020-12-312019-12-31
Value275375
Percentage of DebtAndCapitalLeaseObligations0.40.6
Percentage of Assets0.20.2
Percentage of Assets enb:WestcoastEnergyInc enb:Debentures0.00.0

enb:WestcoastEnergyInc, us-gaap:MediumTermNotes


Debt
Period End2020-12-312019-12-31
Value16251875
Percentage of DebtAndCapitalLeaseObligations2.42.9
Percentage of Assets1.01.1
Percentage of Assets enb:WestcoastEnergyInc us-gaap:MediumTermNotes0.00.0

us-gaap:DebtAndCapitalLeaseObligations us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType

srt:ParentCompany, enb:CommercialPaperAndCreditFacilityDraws


Debt
Period End2020-12-312019-12-31
Value87195210
Percentage of DebtAndCapitalLeaseObligations13.08.0
Percentage of Assets5.43.2
Percentage of Assets srt:ParentCompany enb:CommercialPaperAndCreditFacilityDraws0.00.0

srt:ParentCompany, enb:FixedToFixedTermSubordinatedTermNotes


Debt
Period End2020-12-31
Value1274
Percentage of DebtAndCapitalLeaseObligations1.9
Percentage of Assets0.8
Percentage of Assets srt:ParentCompany enb:FixedToFixedTermSubordinatedTermNotes0.0

srt:ParentCompany, enb:FixedToFloatingSubordinatedTermNotes


Debt
Period End2020-12-312019-12-31
Value64776550
Percentage of DebtAndCapitalLeaseObligations9.710.1
Percentage of Assets4.04.0
Percentage of Assets srt:ParentCompany enb:FixedToFloatingSubordinatedTermNotes0.00.0

srt:ParentCompany, enb:FloatingRateNote


Debt
Period End2020-12-312019-12-31
Value9561556
Percentage of DebtAndCapitalLeaseObligations1.42.4
Percentage of Assets0.61.0
Percentage of Assets srt:ParentCompany enb:FloatingRateNote0.00.0

srt:ParentCompany, enb:TermLoan


Debt
Period End2020-12-312019-12-31
Value85368689
Percentage of DebtAndCapitalLeaseObligations12.813.4
Percentage of Assets5.35.3
Percentage of Assets srt:ParentCompany enb:TermLoan0.00.0

srt:ParentCompany, us-gaap:MediumTermNotes


Debt
Period End2020-12-312019-12-31
Value83237623
Percentage of DebtAndCapitalLeaseObligations12.411.7
Percentage of Assets5.24.7
Percentage of Assets srt:ParentCompany us-gaap:MediumTermNotes0.00.0

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value63090626886281962967636806357159661608796001760680603275870759940611916086536494
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets39.339.039.238.838.737.336.536.536.436.436.136.036.237.437.542.8

us-gaap:LongTermDebtAndCapitalLeaseObligations us-gaap:DebtInstrument

enb:CommercialPaperAndCreditFacilityDraws


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value900010600990087009365985589741163412181106897967753478629832100557344
Percentage of LongTermDebtAndCapitalLeaseObligations14.316.915.813.814.715.515.019.120.317.613.212.813.116.116.520.1
Percentage of Assets5.66.66.25.45.75.85.57.07.46.44.84.64.86.06.28.6
Percentage of Assets enb:CommercialPaperAndCreditFacilityDraws0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value10953107331033210235101289905986710105976797409454100409929981292956036
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.86.76.46.36.15.86.06.15.95.85.76.26.06.05.77.1

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

country:CA, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-31
Value308281270
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0
Percentage of Assets0.20.20.2
Percentage of Assets country:CA us-gaap:OtherPostretirementBenefitPlansDefinedBenefit0.00.00.0

country:CA, us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-31
Value804645494
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent261.0229.5183.0
Percentage of Assets0.50.40.3
Percentage of Assets country:CA us-gaap:PensionPlansDefinedBenefit0.00.00.0

us-gaap:ForeignPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value7992270309172
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent25.632.7100.00.00.0
Percentage of Assets0.00.10.20.20.2
Percentage of Assets us-gaap:ForeignPlan us-gaap:OtherPostretirementBenefitPlansDefinedBenefit0.00.00.00.00.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value178122494392256
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent57.843.4183.00.00.0
Percentage of Assets0.10.10.30.20.3
Percentage of Assets us-gaap:ForeignPlan us-gaap:PensionPlansDefinedBenefit0.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value287029302996323133153448336433893451361439657111610060827597577
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.81.92.02.02.02.12.02.12.22.44.43.73.74.70.7

us-gaap:MinorityInterest dei:LegalEntity

enb:AlgonquinGasTransmissionLLC


Minority
Period End2020-12-312019-12-312018-12-31
Value384394518
Percentage of MinorityInterest12.811.713.1
Percentage of Assets0.20.20.3
Percentage of Assets enb:AlgonquinGasTransmissionLLC0.00.00.0

enb:MaritimesandNortheastPipeline


Minority
Period End2020-12-312019-12-312018-12-312017-12-31
Value558579613572
Percentage of MinorityInterest18.617.215.57.5
Percentage of Assets0.30.40.40.4
Percentage of Assets enb:MaritimesandNortheastPipeline0.00.00.00.0

enb:RenewableEnergyAssets


Minority
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value164618641961806516
Percentage of MinorityInterest54.955.449.510.689.4
Percentage of Assets1.01.11.20.50.6
Percentage of Assets enb:RenewableEnergyAssets0.00.00.00.00.0

enb:WestcoastEnergyInc


Minority
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value40852784110050.0
Percentage of MinorityInterest13.615.721.213.20.0
Percentage of Assets0.30.30.50.60.0
Percentage of Assets enb:WestcoastEnergyInc0.00.00.00.00.0

us-gaap:MinorityInterest us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Minority
Period End2020-12-312019-12-31
Value38102779
Percentage of MinorityInterest127.282.6
Percentage of Assets2.41.7
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees0.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value82388360878392539505104998324943388719044883490908589839075104981
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.15.25.55.75.86.25.15.75.45.45.35.65.25.14.65.8

us-gaap:OtherLiabilitiesNoncurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Other
Period End2020-12-312019-12-31
Value175130
Percentage of OtherLiabilitiesNoncurrent2.01.6
Percentage of Assets0.10.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary4.73.3

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value681689705714757770
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.40.40.50.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value116
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value96
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value90
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value84
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value531
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.3

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value761783804813824856
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.50.50.50.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value1038
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets0.6

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value277
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.2

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value62026630586136765204666266884366043692876935470305694706078762132614325813521386
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets38.639.238.340.140.540.440.541.642.142.241.637.237.637.635.925.1

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value6489665988643636843569941722916940772676728057391973435678986823267514657326499668930695192196320198
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets40.441.140.242.142.542.542.543.644.244.444.041.641.241.340.60.00.00.025.80.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

enb:AccumulatedNetGainLossNetInvestmentHedgeIncludingNoncontollingInterestMember


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value7.0-122.0-215.0-538.0-692.0-1032.0-317.0-451.0-377.0-504.0-598.0-339.0-422.0-139.0-629.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.0-0.2-0.3-0.8-1.0-1.4-0.5-0.6-0.5-0.7-0.8-0.5-0.6-0.2-2.9
Percentage of Assets0.0-0.1-0.1-0.3-0.4-0.6-0.2-0.3-0.2-0.3-0.4-0.2-0.3-0.1-0.7
Percentage of Assets enb:AccumulatedNetGainLossNetInvestmentHedgeIncludingNoncontollingInterestMember0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value-488.0-494.0-499.0-335.0-338.0-342.0-345.0-218.0-219.0-224.0-317.0-249.0-254.0-277.0-304.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.8-0.7-0.8-0.5-0.5-0.5-0.5-0.3-0.3-0.3-0.4-0.4-0.4-0.4-1.4
Percentage of Assets-0.3-0.3-0.3-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.2-0.2-0.2-0.2-0.4
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value-1036.0-226.05683156423968551396249218153081432315722431772700
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-1.6-0.30.94.66.19.52.03.42.54.25.92.33.60.112.3
Percentage of Assets-0.6-0.10.41.92.64.00.91.51.11.92.61.01.50.03.2
Percentage of Assets us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value-977.0-884.0-1326.0-1464.0-1551.0-1552.0-1073.0-1287.0-1146.0-950.0-770.0-644.0-746.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-1.5-1.3-2.1-2.1-2.2-2.1-1.5-1.8-1.6-1.3-1.0-1.0-3.4
Percentage of Assets-0.6-0.6-0.8-0.9-0.9-0.9-0.7-0.8-0.7-0.6-0.5-0.4-0.9
Percentage of Assets us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value7147667387576746514634112310.037
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.10.10.10.10.10.10.10.10.10.00.00.00.00.2
Percentage of Assets0.00.00.00.00.10.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value-2420.0-1675.0-1401.089917533989-272.0582124144926725701277329-973.0-951.0408143810581632-435.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-3.7-2.5-2.21.32.55.5-0.40.80.22.03.60.81.90.5-1.5-1.50.62.14.88.10.0
Percentage of Assets-1.5-1.0-0.90.61.12.3-0.20.30.10.91.60.30.80.2-0.60.00.00.01.20.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossDerivativeQualifyingAsHedgeExcludedComponentIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3.04.05.07.08.03.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncomeLossDerivativeQualifyingAsHedgeExcludedComponentIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value324324277265207202187206194720.04346431143133194309430793426339933012549
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.50.50.40.40.30.30.30.30.30.10.06.46.36.44.94.84.54.915.516.30.0
Percentage of Assets0.20.20.20.20.10.10.10.10.10.00.02.72.62.62.00.00.00.04.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value-2420.0-1675.0-1401.089917533989-272.0582124144926725701277-973.01058
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-3.7-2.5-2.21.32.55.5-0.40.80.22.03.60.81.9-1.54.8
Percentage of Assets-1.5-1.0-0.90.61.12.3-0.20.30.10.91.60.30.8-0.61.2
Percentage of Assets us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value6478064772647686476464763647606474664735647326472864677519445154851127507374886848504481471049273916669
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest99.898.2100.694.692.689.693.389.188.987.688.176.575.575.777.275.270.469.347.836.60.0
Percentage of Assets40.340.340.439.939.338.039.738.839.338.938.831.831.231.331.30.00.00.012.30.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value287029302996323133153448336433893451361439657111610060827597748310251978157713002015
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest4.44.44.74.74.74.84.84.74.74.95.410.58.99.011.611.514.914.12.66.40.0
Percentage of Assets1.81.81.92.02.02.02.12.02.12.22.44.43.73.74.70.00.00.00.70.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value6202663058613676520466626688436604369287693547030569470607876213261432581355751358679597382138618898
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest95.695.695.395.395.395.295.295.395.395.194.689.591.191.088.488.585.185.997.493.6
Percentage of Assets38.639.238.340.140.540.440.541.642.142.241.637.237.637.635.90.00.00.025.10.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value774777477747774777477747774777477747774777477747774777477747725572557255725565156515
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest11.911.712.011.311.110.711.210.710.610.510.511.411.411.511.811.210.510.433.032.30.0
Percentage of Assets4.84.84.84.84.74.64.74.64.74.74.64.74.74.74.80.00.00.08.50.00.0
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value-8388.0-8093.0-9995.0-8442.0-7797.0-7808.0-6314.0-3932.0-3392.0-3640.0-5538.0-3718.0-2649.0-1982.0-2468.0-651.0-465.0-426.0-716.01421571
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-12.9-12.3-15.5-12.3-11.1-10.8-9.1-5.4-4.7-4.9-7.5-5.5-3.9-2.9-3.8-1.0-0.7-0.6-3.30.70.0
Percentage of Assets-5.2-5.0-6.2-5.2-4.7-4.6-3.9-2.4-2.1-2.2-3.3-2.3-1.6-1.2-1.50.00.00.0-0.80.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value-17.0-17.0-29.0-29.0-47.0-47.0-51.0-51.0-51.0-51.0-88.0-102.0-102.0-102.0-102.0-102.0-102.0-102.0-102.0-83.0-83.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.2-0.1-0.2-0.2-0.2-0.1-0.1-0.5-0.40.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.10.00.00.0-0.10.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value64780647726476864764647636476064746647356473264728646775194451548511275073710492
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets40.340.340.439.939.338.039.738.839.338.938.831.831.231.331.312.3

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value324324277265207202187206194720.043464311431331943399
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.10.10.10.10.10.00.02.72.62.62.04.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-8388.0-8093.0-9995.0-8442.0-7797.0-7808.0-6314.0-3932.0-3392.0-3640.0-5538.0-3718.0-2649.0-1982.0-2468.0-716.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-5.2-5.0-6.2-5.2-4.7-4.6-3.9-2.4-2.1-2.2-3.3-2.3-1.6-1.2-1.5-0.8

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-2420.0-1675.0-1401.089917533989-272.0582124144926725701277329-973.01058
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-1.5-1.0-0.90.61.12.3-0.20.30.10.91.60.30.80.2-0.61.2

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value287029302996323133153448336433893451361439657111610060827597577
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.81.92.02.02.02.12.02.12.22.44.43.73.74.70.7

us-gaap:MinorityInterest dei:LegalEntity

enb:AlgonquinGasTransmissionLLC


Minority
Period End2020-12-312019-12-312018-12-31
Value384394518
Percentage of MinorityInterest12.811.713.1
Percentage of Assets0.20.20.3
Percentage of Assets enb:AlgonquinGasTransmissionLLC0.00.00.0

enb:MaritimesandNortheastPipeline


Minority
Period End2020-12-312019-12-312018-12-312017-12-31
Value558579613572
Percentage of MinorityInterest18.617.215.57.5
Percentage of Assets0.30.40.40.4
Percentage of Assets enb:MaritimesandNortheastPipeline0.00.00.00.0

enb:RenewableEnergyAssets


Minority
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value164618641961806516
Percentage of MinorityInterest54.955.449.510.689.4
Percentage of Assets1.01.11.20.50.6
Percentage of Assets enb:RenewableEnergyAssets0.00.00.00.00.0

enb:WestcoastEnergyInc


Minority
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value40852784110050.0
Percentage of MinorityInterest13.615.721.213.20.0
Percentage of Assets0.30.30.50.60.0
Percentage of Assets enb:WestcoastEnergyInc0.00.00.00.00.0

us-gaap:MinorityInterest us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees


Minority
Period End2020-12-312019-12-31
Value38102779
Percentage of MinorityInterest127.282.6
Percentage of Assets2.41.7
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvestees0.00.0

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value5.0115.06.05.0146.07.0174.09.06.0171712191635
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders

us-gaap:NoncontrollingInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value77666868887660945446220212216209205248195191
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value222725642254230224162809199327352494217625031461334431941269156819711776
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax51.947.122.556.556.150.716.164.054.837.821.632.564.250.09.817.017.715.9

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-1381.0-1958.0-1533.0-1378.0-996.0-1270.0371-1572.0-1309.0-2148.05567-1071.0-2068.0-2968.0-2205.0-2381.0-3448.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-32.2-36.0-15.3-33.8-23.1-22.93.0-36.8-28.8-37.30.51.5-20.6-32.3-23.0-23.9-21.4-30.9

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-898.0-565.0-925.0-721.0-1738.0-1386.0-2621.0-1066.0-1157.099-2692.0-1412.0-2390.0-1009.013954033651313
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-20.9-10.4-9.2-17.7-40.3-25.0-21.2-24.9-25.41.7-23.3-31.4-45.9-15.810.84.43.311.8

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-65.034-202.0195-343.0164-196.010510.0120-89.0104-101.0136-260.0-279.0-68.0-368.0
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.50.6-2.04.8-8.03.0-1.62.50.22.1-0.82.3-1.92.1-2.0-3.0-0.6-3.3

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value278369529141490-713.0173174374435-97.0277-181.0-147.0-3602.0309255161
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value929932946935949882865844842840794799829824775848868672
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value222725642254230224162809199327352494217625031461334431941269156819711776
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax51.947.122.556.556.150.716.164.054.837.821.632.564.250.09.817.017.715.9

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value14841992187110841741-1333.084210451832198611844.011605342918471000721441-30.03721286
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34.636.618.726.640.4-24.16.824.440.234.510.20.122.38.42.39.29.06.54.7-0.44.714.6

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value14841992187110841741-1333.084210451832198611844.011605342918471000721
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34.636.618.726.640.4-24.16.824.440.234.510.20.122.38.42.39.29.06.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value15212014189911041777-1364.0914106018302023128321313275106510151241945
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.437.019.027.141.2-24.67.424.840.235.111.14.725.58.00.511.011.28.5

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-1381.0-1958.0-1533.0-1378.0-996.0-1270.0371-1572.0-1309.0-2148.05567-1071.0-2068.0-2968.0-2205.0-2381.0-3448.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-32.2-36.0-15.3-33.8-23.1-22.93.0-36.8-28.8-37.30.51.5-20.6-32.3-23.0-23.9-21.4-30.9

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value140420591615143812051147156411431173161226522221341160816352419194622801642
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-898.0-565.0-925.0-721.0-1738.0-1386.0-2621.0-1066.0-1157.099-2692.0-1412.0-2390.0-1009.013954033651313
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-20.9-10.4-9.2-17.7-40.3-25.0-21.2-24.9-25.41.7-23.3-31.4-45.9-15.810.84.43.311.8

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value97691294624916111657167441079517896881610115199660822621671513
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value16911691164016401639164114931504149014861226761729764673650659768
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value15.119.33.217.30.250.2870.0210.1940.1920.224-0.0130.620.079-0.167-4.9440.2440.1910.173
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

enb:IncentiveStockOptions


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3535343432
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

enb:IncentiveStockOptions


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value49.3547.7343.4745.4142.51
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value95628867808082054866
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value41564135432735072425
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value1211291391508465
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value798451286572
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0

Proceeds From Repayments Of Short Term Debt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value316-27.0152614-480.0-63.0-372.035346-154.0-224.023710.0-443.016452143110
Percentage of ProceedsFromRepaymentsOfShortTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:AdjustmentForIncomeLossOfEquityMethodInvestments

enb:AdjustmentForIncomeLossOfEquityMethodInvestments


Adjustment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-352000000.0-395000000.0-331000000.0-315000000.0-327000000.0-163000000.0-344000000.0-333000000.0-413000000.0-413000000.0-433000000.0-378000000.0-363000000.0-335000000.0-350000000.0-280000000.0-236000000.0-236000000.0
Percentage of AdjustmentForIncomeLossOfEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:AdjustmentToAdditionalPaidInCapitalChangeInReciprocalInterest us-gaap:StatementEquityComponents

enb:AdjustmentToAdditionalPaidInCapitalChangeInReciprocalInterest

us-gaap:AdditionalPaidInCapital


Adjustment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value0.03910.0540.0128.00.0
Percentage of AdjustmentToAdditionalPaidInCapitalChangeInReciprocalInterest0.0100.0100.0100.00.0100.0100.00.0

us-gaap:TreasuryStock


Adjustment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.012180.04.00.00.037
Percentage of AdjustmentToAdditionalPaidInCapitalChangeInReciprocalInterest0.030.833.30.033.30.00.00.0

enb:AmortizationOfFairValueAdjustment

enb:AmortizationOfFairValueAdjustment


Amortization
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302018-09-302018-06-30
Value131213141517172326
Percentage of AmortizationOfFairValueAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:CommonStockDividendsPerShareIncreaseDecrease

enb:CommonStockDividendsPerShareIncreaseDecrease


Common
Period End2021-03-012020-03-01
Value3.09.8
Percentage of CommonStockDividendsPerShareIncreaseDecrease100.0100.0

enb:ComprehensiveIncomeAttributableToCommonShareholdersBasic

enb:ComprehensiveIncomeAttributableToCommonShareholdersBasic


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value6491626-525.0136-589.02832-108.014144116133334-797.020191747185-594.0-111.01018
Percentage of ComprehensiveIncomeAttributableToCommonShareholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:DividendsReciprocalShareholder us-gaap:StatementEquityComponents

enb:DividendsReciprocalShareholder

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-2000000.0-3000000.0-3000000.0-4000000.0-5000000.0-5000000.0-4000000.0-5000000.0-4000000.0-5000000.0-8000000.0-8000000.0-10000000.0-7000000.0-8000000.0-7000000.0-8000000.0-7000000.0
Percentage of DividendsReciprocalShareholder100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:EquityMethodInvestmentNumberofSharesSold us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:EquityInterestIssuedOrIssuableByType

enb:EquityMethodInvestmentNumberofSharesSold

enb:NovercoInc, us-gaap:CommonStock


Equity
Period End2020-08-312020-03-312019-01-312018-12-31
Value5.71.0114.4
Percentage of EquityMethodInvestmentNumberofSharesSold100.0100.0100.0100.0

enb:IncomeLossFromContinuingOperationsBeforeInterestIncomeTaxesExtraordinaryItemsNoncontrollingInterest

enb:IncomeLossFromContinuingOperationsBeforeInterestIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value33384086403129883998-325.029092803374541322798205527491917-1823.0284329672301
Percentage of IncomeLossFromContinuingOperationsBeforeInterestIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:IncomeLossFromContinuingOperationsBeforeInterestIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value92220207261-966.0114-40.0107248-340.029-118.0-279.0
Percentage of IncomeLossFromContinuingOperationsBeforeInterestIncomeTaxesExtraordinaryItemsNoncontrollingInterest2.85.46.96.5297.23.9-1.42.96.0-12.21.4-4.3-14.6

enb:IncomeLossFromContinuingOperationsBeforeInterestIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, enb:EnergyServicesConsolidate


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-224.0-34.0-99.0121-68.0912216.0374-96.035169-252.0-150.0-17.0156
Percentage of IncomeLossFromContinuingOperationsBeforeInterestIncomeTaxesExtraordinaryItemsNoncontrollingInterest-5.6-1.1-2.5-37.2-2.33.25.90.113.4-4.71.38.813.8-5.3-0.66.8

us-gaap:OperatingSegments, enb:EnergyServicesSegment


Income
Period End2021-06-302021-03-312020-06-302020-03-31
Value-239.064-99.0121
Percentage of IncomeLossFromContinuingOperationsBeforeInterestIncomeTaxesExtraordinaryItemsNoncontrollingInterest-7.21.6-2.5-37.2

us-gaap:OperatingSegments, enb:GasDistributionandStorageSegment


Income
Period End2021-06-302021-03-312020-06-302020-03-31
Value458634383604
Percentage of IncomeLossFromContinuingOperationsBeforeInterestIncomeTaxesExtraordinaryItemsNoncontrollingInterest13.715.59.6-185.8

us-gaap:OperatingSegments, enb:GasTransmissionandMidstreamSegment


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value868973334950-1054.07729411020
Percentage of IncomeLossFromContinuingOperationsBeforeInterestIncomeTaxesExtraordinaryItemsNoncontrollingInterest26.023.811.223.8324.327.525.124.7

us-gaap:OperatingSegments, enb:LiquidsPipelinesSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value204420392403209023408501971164619922072
Percentage of IncomeLossFromContinuingOperationsBeforeInterestIncomeTaxesExtraordinaryItemsNoncontrollingInterest61.249.959.669.958.5-261.567.858.753.250.1

us-gaap:OperatingSegments, enb:RenewablePowerGenerationSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value11515614793163120-189.08294124
Percentage of IncomeLossFromContinuingOperationsBeforeInterestIncomeTaxesExtraordinaryItemsNoncontrollingInterest3.43.83.63.14.1-36.9-6.52.92.53.0

us-gaap:OperatingSegments, us-gaap:GasDistribution


Income
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value298383604252390662449256370636453240310387
Percentage of IncomeLossFromContinuingOperationsBeforeInterestIncomeTaxesExtraordinaryItemsNoncontrollingInterest10.09.6-185.89.010.416.016.012.513.533.2-24.88.410.416.8

enb:OtherComprehensiveIncomeLossEquityInvesteesAdjustmentNetOfTax

enb:OtherComprehensiveIncomeLossEquityInvesteesAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value24-22.0-7.0-14.030-10.0212.05.01220-1.05.014-36.01.02.06.0
Percentage of OtherComprehensiveIncomeLossEquityInvesteesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToCommonShareholders us-gaap:StatementEquityComponents

enb:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToCommonShareholders

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-745.0-274.0-2300.0-854.0-2236.04261-854.0465-1325.0-1278.02244-707.09481302-22.0-1359.0-1030.0380
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToCommonShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:OtherComprehensiveIncomeLossUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTaxPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

enb:OtherComprehensiveIncomeLossUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value3.03.03.00.01.02.01.01.04.01.0-23.0-2.0-2.0-4.0-6.0181.0
Percentage of OtherComprehensiveIncomeLossUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTaxPortionAttributableToNoncontrollingInterest100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:OtherComprehensiveIncomeUnrealizedGainLossOnNetInvestmentHedgesDuringPeriodNetOfTax

enb:OtherComprehensiveIncomeUnrealizedGainLossOnNetInvestmentHedgesDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value12993323154340-715.0134-74.012794-258.083-99.0-184.0-15.028517149
Percentage of OtherComprehensiveIncomeUnrealizedGainLossOnNetInvestmentHedgesDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:ProceedsFromIssuanceOfLongTermDebtNetOfIssuanceCosts

enb:ProceedsFromIssuanceOfLongTermDebtNetOfIssuanceCosts


Proceeds
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value26186291355248999013580.011950.014762061400131750.0
Percentage of ProceedsFromIssuanceOfLongTermDebtNetOfIssuanceCosts100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.00.0

enb:ProceedsFromRepaymentsOfCommercialPaperAndLinesOfCredit

enb:ProceedsFromRepaymentsOfCommercialPaperAndLinesOfCredit


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-988.017271311-623.0-305.01159-2540.0-650.012422773102-192.0-1701.0-465.0-2205.0-817.0-889.02662
Percentage of ProceedsFromRepaymentsOfCommercialPaperAndLinesOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice1 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

enb:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice1

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value50.6651.4250.5551.056.2652.7553.3355.3252.1749.6749.856.7957.9857.71
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:WeightedAverageInterestInOwnCommonShares

enb:WeightedAverageInterestInOwnCommonShares


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value2.03.05.06.06.06.06.06.0131313131313
Percentage of WeightedAverageInterestInOwnCommonShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalOther us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalOther

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-1.02.05.07.0462.0-46.0-15.0
Percentage of AdjustmentsToAdditionalPaidInCapitalOther100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths


Cash
Period End2021-06-302021-03-31
Value23000000.0-113000000.0
Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths100.0100.0

us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1 us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1

us-gaap:FairValueHedging


Change
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value-32.0-3.0-60.0-133.02180.00.0
Percentage of ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1100.0100.0100.0100.0100.00.00.0

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1

us-gaap:FairValueHedging


Change
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value32-4.059138-203.00.00.0
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1100.0100.0100.0100.0100.00.00.0

us-gaap:CommonStockDividendsPerShareDeclared us-gaap:StatementEquityComponents, us-gaap:SubsequentEventType

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStock, us-gaap:SubsequentEvent


Common
Period End2020-07-22
Value0.81
Percentage of CommonStockDividendsPerShareDeclared100.0

us-gaap:ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure us-gaap:CounterpartyName, us-gaap:FinancialInstrument

us-gaap:ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure

enb:AsianFinancialInstitutions, us-gaap:Derivative


Concentration
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value10.023576-44.0597685-4.0110.0-25.0115.015
Percentage of ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

enb:CanadianFinancialInstitutions, us-gaap:Derivative


Concentration
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5161729165-3.0128108-6.023210.0-1.0-20.049
Percentage of ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure510.0262.6382.9-147.7-5.1168.4127.1150.0209.10.0-0.0-9.1-400.0326.7

enb:EuropeanFinancialInstitutions, us-gaap:Derivative


Concentration
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.0-9.0-131.0165-88.01122585.0-18.0-46.0143
Percentage of ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure3.920.5-222.0217.1-103.5-275.0200.00.0-20.0-163.6-920.0953.3

enb:OtherCounterparties, us-gaap:Derivative


Concentration
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-8.0118-17.0-104.0-580.0798-38.00.019132251-12.02672
Percentage of ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure-80.050.2-22.4236.4-983.11050.0-44.7-0.0172.70.0-1004.0-109.1520.0480.0

enb:USFinancialInstitutions, us-gaap:Derivative


Concentration
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4218820-48.0-183.0310-28.037-20.0516317-2.029
Percentage of ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure420.080.026.3109.1-310.2407.9-32.9-925.0-181.80.0-252.0154.5-40.0193.3

us-gaap:ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure us-gaap:FinancialInstrument

us-gaap:Derivative


Concentration
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value951158373-140.0-838.01477393855262294-3.0-37.0308
Percentage of ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure950.0492.8490.8318.2-1420.31943.445.9-950.0500.00.0-1176.0-27.3-740.02053.3

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value80145452221361938401929
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 enb:DebtInstrumentInterestRateTerms, us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:VariableRate

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

enb:DebtInstrumentInterestRateTermsPeriodOne, srt:ParentCompany, enb:FixedToFixedSubordinatedTermNotes, us-gaap:UsTreasuryUstInterestRate


Debt
Period End2020-07-31
Value5.31
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

enb:DebtInstrumentInterestRateTermsPeriodTwo, srt:ParentCompany, enb:FixedToFixedSubordinatedTermNotes, us-gaap:UsTreasuryUstInterestRate


Debt
Period End2020-07-31
Value6.06
Percentage of DebtInstrumentBasisSpreadOnVariableRate1114.1

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 enb:DebtInstrumentInterestRateTermsEffectivePeriod, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType, us-gaap:VariableRate

enb:DebtInstrumentInterestRateTermsEffectivePeriodThree, enb:A60yearHybridSubordinatedNotes, us-gaap:SubordinatedDebt, us-gaap:SubsequentEvent, us-gaap:UsTreasuryUstInterestRate


Debt
Period End2020-07-08
Value0.0606
Percentage of DebtInstrumentBasisSpreadOnVariableRate10.0

enb:DebtInstrumentInterestRateTermsEffectivePeriodTwo, enb:A60yearHybridSubordinatedNotes, us-gaap:SubordinatedDebt, us-gaap:SubsequentEvent, us-gaap:UsTreasuryUstInterestRate


Debt
Period End2020-07-08
Value0.0531
Percentage of DebtInstrumentBasisSpreadOnVariableRate10.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:VariableRate

srt:ParentCompany, enb:FloatingRateNotesIssuedFebruary2021, us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRate


Debt
Period End2021-02-28
Value40.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate10.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-14000000.0-14000000.0-9000000.0-10000000.0-9000000.0-8000000.0-8000000.0-8000000.0-6000000.0-8000000.0-7000000.0-11000000.0-8000000.0-9000000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value84849011367848484728082717351
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:DefinedBenefitPlanInterestCost


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value3232445433515051394245464732
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value10.010.0139.017242525192334504444
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DefinedBenefitPlanServiceCost


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value4848505842505151465165656254
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DerivativeGainLossOnDerivativeNet


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value131130563276531-1106.0198-236.00.0258-4.0-3.00.03.00.02.00.00.0
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.00.0100.00.00.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:InterestRateContract, us-gaap:FairValueHedging


Derivative
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.0-39.00.0-12.0
Percentage of DerivativeGainLossOnDerivativeNet0.0-30.00.01.1

us-gaap:DerivativeLossOnDerivative us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:DerivativeLossOnDerivative

us-gaap:FairValueHedging


Derivative
Period End2020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.0120.00.0
Percentage of DerivativeLossOnDerivative0.00.0100.00.00.0

us-gaap:DividendsCommonStock us-gaap:StatementEquityComponents

us-gaap:DividendsCommonStock

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value16923331164016413132149315002722115211450.0215010011003548
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStock us-gaap:StatementEquityComponents

us-gaap:DividendsPreferredStock

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value909296949496969696959594898984828183
Percentage of DividendsPreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-13.0-7.02.0-8.0-25.011618.0-18.0-7.045-12.016195.0-45.0-23.0-9.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentDividendsOrDistributions

us-gaap:EquityMethodInvestmentDividendsOrDistributions


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value349388247324393428362535441466449358412320405346299214
Percentage of EquityMethodInvestmentDividendsOrDistributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment

us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.06150.017360.00.0
Percentage of EquityMethodInvestmentOtherThanTemporaryImpairment0.0100.00.0100.00.00.0

us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, enb:GasTransmissionandMidstreamSegment


Equity
Period End2020-09-302020-06-302020-03-31
Value6150.01736
Percentage of EquityMethodInvestmentOtherThanTemporaryImpairment100.00.0100.0

us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

enb:DCPMidstreamLLC


Equity
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.0-36.0361700
Percentage of EquityMethodInvestmentOtherThanTemporaryImpairment0.0-5.90.097.9

enb:SoutheastSupplyHeaderLLC


Equity
Period End2020-12-312020-09-30
Value0.0394
Percentage of EquityMethodInvestmentOtherThanTemporaryImpairment0.064.1

enb:SteckmanRidgeLP


Equity
Period End2020-12-312020-09-30
Value0.0221
Percentage of EquityMethodInvestmentOtherThanTemporaryImpairment0.035.9

us-gaap:ExtinguishmentOfDebtAmount

us-gaap:ExtinguishmentOfDebtAmount


Extinguishment
Period End2021-06-302021-03-312020-12-31
Value208600500
Percentage of ExtinguishmentOfDebtAmount100.0100.0100.0

us-gaap:ExtinguishmentOfDebtAmount dei:LegalEntity, us-gaap:DebtInstrument

enb:EnbridgeEnergyPartnersLp, enb:A420SeniorNotes


Extinguishment
Period End2021-06-30
Value600
Percentage of ExtinguishmentOfDebtAmount288.5

enb:EnbridgeGasInc., enb:A276MediumTermNotes


Extinguishment
Period End2021-05-31
Value200
Percentage of ExtinguishmentOfDebtAmount0.0

enb:EnbridgeGasInc., enb:A404MediumTermNotes


Extinguishment
Period End2020-11-30
Value400
Percentage of ExtinguishmentOfDebtAmount0.0

enb:EnbridgePipelinesSouthernLightsLLC, enb:A3.98SeniorNotesDue2040


Extinguishment
Period End2021-06-302020-06-30
Value3026
Percentage of ExtinguishmentOfDebtAmount14.40.0

enb:EnbridgeSouthernLightsLP, enb:A4.01SeniorNotesDue2040


Extinguishment
Period End2021-06-302020-06-302019-07-31
Value8.07.010.0
Percentage of ExtinguishmentOfDebtAmount3.80.00.0

enb:SpectraEnergyPartnersLP, enb:A413SeniorNotesDue2020


Extinguishment
Period End2020-10-31
Value300
Percentage of ExtinguishmentOfDebtAmount0.0

enb:SpectraEnergyPartnersLP, enb:A460SeniorNotes


Extinguishment
Period End2021-03-31
Value250
Percentage of ExtinguishmentOfDebtAmount41.7

enb:WestcoastEnergyInc, enb:A457MediumTermNotes


Extinguishment
Period End2020-07-31
Value250
Percentage of ExtinguishmentOfDebtAmount0.0

us-gaap:ExtinguishmentOfDebtAmount us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument

srt:ParentCompany, enb:A316MediumTermNotes


Extinguishment
Period End2021-03-31
Value400
Percentage of ExtinguishmentOfDebtAmount66.7

srt:ParentCompany, enb:A4.85MediumTermNotesDueFebruary2022


Extinguishment
Period End2020-11-30
Value100
Percentage of ExtinguishmentOfDebtAmount0.0

srt:ParentCompany, enb:A426MediumTermNotes


Extinguishment
Period End2021-02-28
Value200
Percentage of ExtinguishmentOfDebtAmount0.0

srt:ParentCompany, enb:FloatingratenotesdueJanuary2020


Extinguishment
Period End2021-02-282020-01-31
Value200700
Percentage of ExtinguishmentOfDebtAmount0.00.0

us-gaap:ExtinguishmentOfDebtAmount us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:RevolvingCreditFacility, enb:SyndicatedCreditFacility, us-gaap:SubsequentEvent


Extinguishment
Period End2021-02-10
Value3000
Percentage of ExtinguishmentOfDebtAmount0.0

us-gaap:ExtinguishmentOfDebtAmount us-gaap:LongtermDebtType

enb:TermLoan


Extinguishment
Period End2021-02-25
Value500
Percentage of ExtinguishmentOfDebtAmount0.0

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-71.0-72.0-83.067-456.0349-40.0-36.0155-52.0352-139.0-38.031-185.0-100.01883
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-7.0-5.0-5.00.0-2.09.0-3.0-2.0-17.0-3.02.02.01.0-3.0-7.03.0-11.019
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-19.0-149.0393.0-2.0-39.0-38.0-76.018156-5.0-1.0-8.0-154.0-5.0-1.0-12.0-70.0
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax


Foreign
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value159152438173526-956.0166-43.0140214-351.057-43.0-185.0-20.0150112-5.0
Percentage of ForeignCurrencyTransactionGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GainLossOnDispositionOfAssets1


Gain
Period End2021-06-302021-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.041-254.00.068-65.0-11.00.04.0336914
Percentage of GainLossOnDispositionOfAssets10.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:GainLossOnOilAndGasHedgingActivity us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:GainLossOnOilAndGasHedgingActivity

us-gaap:InterestRateContract, us-gaap:FairValueHedging


Gain
Period End2021-06-302021-03-31
Value0.045
Percentage of GainLossOnOilAndGasHedgingActivity0.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value352395331315327163344333413413433378363335350280236236
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, enb:EnergyServicesConsolidate


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.0-3.0-2.02.05.00.010.0-7.08.03.03.04.03.03.00.02.0
Percentage of IncomeLossFromEquityMethodInvestments0.0-1.0-0.61.21.50.02.4-1.71.80.80.81.20.91.10.00.8

us-gaap:OperatingSegments, enb:GasDistributionandStorageSegment


Income
Period End2021-06-302021-03-312020-06-302020-03-31
Value2722-8.023
Percentage of IncomeLossFromEquityMethodInvestments7.75.6-2.414.1

us-gaap:OperatingSegments, enb:GasTransmissionandMidstreamSegment


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value132182191168-75.0135193197
Percentage of IncomeLossFromEquityMethodInvestments37.546.160.651.4-46.040.546.747.7

us-gaap:OperatingSegments, enb:LiquidsPipelinesSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value18015495118148197174205204197
Percentage of IncomeLossFromEquityMethodInvestments51.139.028.737.545.3120.950.661.649.447.7

us-gaap:OperatingSegments, enb:RenewablePowerGenerationSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1337352221168.05.04.014
Percentage of IncomeLossFromEquityMethodInvestments3.79.410.67.06.49.82.31.51.03.4

us-gaap:OperatingSegments, us-gaap:GasDistribution


Income
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-13.0-8.023-11.02.01116-12.0-10.01713-3.0-23.036
Percentage of IncomeLossFromEquityMethodInvestments-4.1-2.414.1-3.30.52.73.7-3.2-2.85.13.7-1.1-9.715.3

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

enb:DCPMidstreamLLC


Income
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.0-324.00.0-324.0
Percentage of IncomeLossFromEquityMethodInvestments0.0-102.90.0-198.8

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInContractWithCustomerLiability


Increase
Period End2021-06-302021-03-312020-09-302020-06-30
Value7669189104
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOperatingCapital

us-gaap:IncreaseDecreaseInOperatingCapital


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value207418120-110.091-194.0-192.0-228.01266728657-978.0-622.0435376-157.0-340.0
Percentage of IncreaseDecreaseInOperatingCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value2000000.01000000.0-1000000.01000000.02000000.02000000.03000000.03000000.03000000.03000000.04000000.07000000.08000000.010000000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesFairValueAdjustment

us-gaap:LiabilitiesFairValueAdjustment


Liabilities
Period End2021-03-312020-12-31
Value726-33.0
Percentage of LiabilitiesFairValueAdjustment100.0100.0

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest

us-gaap:NoncontrollingInterest


Net
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-22.0-28.0-20.0-36.031-72.0-15.02.0-37.0-86.0-119.0-106.0-23.0220-81.0-179.0-192.0
Percentage of NetIncomeLossAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest

us-gaap:NoncontrollingInterest


Net
Period End2021-06-302020-06-30
Value3736
Percentage of NetIncomeLossAttributableToRedeemableNoncontrollingInterest100.0100.0

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance

us-gaap:NoncontrollingInterest


Noncontrolling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value6.03.02.01.05.0152.01.06.03.01.02.0138.033445238215
Percentage of NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome

us-gaap:OperatingLeaseLeaseIncome


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value143159167144157158167144151164
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-25.022823685-178.041-27.04549-154.089-77.0-152.0-15.0334253-141.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax

us-gaap:NetInvestmentHedging


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value146105109145337-708.0-483.0-84.014210868892-495.0194177525520
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value6.05.03.03.04.03.0-31.01.05.038-16.05.062-39.06.06.03.04.0
Percentage of OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-837.0-203.0-2373.0-912.0-2284.04047-813.0369-1415.0-1437.02057-707.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax us-gaap:StatementEquityComponents

enb:AccumulatedNetGainLossNetInvestmentHedgeIncludingNoncontollingInterestMember


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value146105343147340-715.0153-85.0143109-277.096
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax-17.4-51.7-14.5-16.1-14.9-17.7-18.8-23.0-10.1-7.6-13.5-13.6

us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-810.0-774.0-2588.0-1083.0-2616.05459-1096.0677-1266.0-1242.02806-859.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax96.8381.3109.1118.8114.5134.9134.8183.589.586.4136.4121.5

us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-199.049310542-45.0-693.0246-227.0-306.0-312.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax23.8-242.9-4.4-4.62.0-17.1-30.3-61.521.621.7

us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value27-26.0-10.0-17.032-7.08.04.0148.024-11.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax-3.212.80.41.9-1.4-0.2-1.01.1-1.0-0.61.21.6

us-gaap:AccumulatedOtherComprehensiveIncomeLossDerivativeQualifyingAsHedgeExcludedComponentIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-1.0-1.0-2.0-1.05.03.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax0.10.50.10.1-0.20.1

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-25.0128-10.03.04.0-179.063-67.0-50.0-110.0-133.027-14.0-28.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax us-gaap:StatementEquityComponents

enb:AccumulatedNetGainLossNetInvestmentHedgeIncludingNoncontollingInterestMember


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value171220-7.00.00.019-11.01615-18.013
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax-68.09.4-200.0-233.30.0-0.030.216.4-32.0-13.613.548.1

us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-45.012027132.0-182.085-58.0-75.0-121.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax180.093.8-270.0433.350.0101.7134.986.6150.0110.0

us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3.0-4.0-3.0-3.02.03.0-13.02.09.0-4.01.01.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax-12.0-3.130.0-100.050.0-1.7-20.6-3.0-18.03.6-0.83.7

us-gaap:OtherComprehensiveIncomeLossBeforeTax

us-gaap:OtherComprehensiveIncomeLossBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-749.0-131.0-2293.0-833.0-2218.04095-805.0408-1365.0-1359.02115-669.0
Percentage of OtherComprehensiveIncomeLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeTax us-gaap:StatementEquityComponents

enb:AccumulatedNetGainLossNetInvestmentHedgeIncludingNoncontollingInterestMember


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value146105343147340-715.0153-85.0143109-277.096
Percentage of OtherComprehensiveIncomeLossBeforeTax-19.5-80.2-15.0-17.6-15.3-17.5-19.0-20.8-10.5-8.0-13.1-14.3

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value7.07.0-217.04.05.04.0-166.02.04.053-105.05.0
Percentage of OtherComprehensiveIncomeLossBeforeTax-0.9-5.39.5-0.5-0.20.120.60.5-0.3-3.9-5.0-0.7

us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-810.0-794.0-2588.0-1083.0-2616.05459-1096.0677-1266.0-1242.02806-859.0
Percentage of OtherComprehensiveIncomeLossBeforeTax108.1606.1112.9130.0117.9133.3136.1165.992.791.4132.7128.4

us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-118.057518111716-649.0296-190.0-260.0-287.0
Percentage of OtherComprehensiveIncomeLossBeforeTax15.8-438.9-7.9-14.0-0.7-15.8-36.8-46.619.021.1

us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value27-23.0-10.0-17.032-7.08.04.0148.024-11.0
Percentage of OtherComprehensiveIncomeLossBeforeTax-3.617.60.42.0-1.4-0.2-1.01.0-1.0-0.61.11.6

us-gaap:AccumulatedOtherComprehensiveIncomeLossDerivativeQualifyingAsHedgeExcludedComponentIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-1.0-1.0-2.0-1.05.03.0
Percentage of OtherComprehensiveIncomeLossBeforeTax0.10.80.10.1-0.20.1

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-157.03707529-48.0-513.0160-170.0-235.0-192.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-204.047110256-39.0-698.0247-230.0-303.0-296.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:CommodityContract, us-gaap:CashFlowHedging


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.0-8.0-6.0-1.00.09.0-3.0-1.0-18.0-3.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax-2.0-1.7-5.9-1.8-0.0-1.3-1.20.45.91.0

us-gaap:ForeignExchangeContract, us-gaap:CashFlowHedging


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-5.0-20.0-7.00.0-13.019-8.02.0-3.0-10.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax2.5-4.2-6.90.033.3-2.7-3.2-0.91.03.4

us-gaap:ForeignExchangeContract, us-gaap:NetInvestmentHedging


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0173.0-7.01.0-1.01.01.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax0.030.4-7.71.00.40.4-0.3-0.3

us-gaap:InterestRateContract, us-gaap:CashFlowHedging


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-203.049711441-35.0-715.0253-231.0-285.0-296.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax99.5105.5111.873.289.7102.4102.4100.494.1100.0

us-gaap:OtherContract, us-gaap:CashFlowHedging


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.03.03.00.01.0-7.04.01.02.012
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax-0.50.62.90.0-2.61.01.6-0.4-0.7-4.1

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-61000000.0-52000000.0-60000000.0-58000000.0-48000000.0-32000000.0-53000000.0-28000000.0-35000000.0-11000000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-81000000.0-65000000.0-76000000.0-75000000.0-60000000.0-44000000.0-50000000.0-37000000.0-46000000.0-25000000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax us-gaap:DerivativeInstrumentRisk

us-gaap:CommodityContract


Other
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-31
Value1000000.0-1000000.01000000.0000
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax-1.21.5-2.0-0.0-0.0-0.0

us-gaap:ForeignExchangeContract


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2000000.0-1000000.0-2000000.0-1000000.0-1000000.0-1000000.0-1000000.0-2000000.00-2000000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax2.51.52.61.31.72.32.05.4-0.08.0

us-gaap:InterestRateContract


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-79000000.0-63000000.0-74000000.0-76000000.0-59000000.0-43000000.0-49000000.0-36000000.0-40000000.0-32000000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax97.596.997.4101.398.397.798.097.387.0128.0

us-gaap:OtherContract


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1000000.01000000.01000000.000-1000000.01000000.0-6000000.09000000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax1.2-1.3-1.3-0.0-0.02.0-2.713.0-36.0

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTax

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value-1000000.0-1000000.0-2000000.0-1000000.05000000.03000000.000
Percentage of OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTax100.0100.0100.0100.0100.0100.00.00.0

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTax us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:ForeignExchangeContract, us-gaap:FairValueHedging


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value-1000000.0-1000000.0-1000000.05000000.03000000.000
Percentage of OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTax100.0100.0100.0100.0100.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:NoncontrollingInterest


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value853686-176.042-26.04950-158.079-86.0-164.0-153.0322258-150.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeLossTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-4.01437.02118-166.049-57.0-40.0-81.0-129.038
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax us-gaap:StatementEquityComponents

enb:AccumulatedNetGainLossNetInvestmentHedgeIncludingNoncontollingInterestMember


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value171220-7.00.00.019-11.01615-18.013
Percentage of OtherComprehensiveIncomeLossTax-425.08.4285.7-33.30.0-0.038.819.3-40.0-18.514.034.2

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1.02.0-53.01.01.01.0-39.01.0-1.015-37.00.0
Percentage of OtherComprehensiveIncomeLossTax-25.01.4-757.14.85.6-0.6-79.6-1.82.5-18.528.70.0

us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-25.0133433015-170.082-49.0-64.0-107.0
Percentage of OtherComprehensiveIncomeLossTax625.093.0614.3142.983.3102.4167.386.0160.0132.1

us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3.0-4.0-3.0-3.02.03.0-13.02.09.0-4.01.01.0
Percentage of OtherComprehensiveIncomeLossTax-75.0-2.8-42.9-14.311.1-1.8-26.5-3.5-22.54.9-0.82.6

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value158-30.0-46.0-12.043-253.0-5.0-15.0-6.0-30.09.09.0-32.0-78.082-84.064-112.0
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRepurchaseOfPreferredStockAndPreferenceStock

us-gaap:PaymentsForRepurchaseOfPreferredStockAndPreferenceStock


Payments
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.01150.00.00.00.00.03002100.00.00.0
Percentage of PaymentsForRepurchaseOfPreferredStockAndPreferenceStock0.0100.00.00.00.00.00.0100.0100.00.00.00.0

us-gaap:PaymentsForRepurchaseOfRedeemablePreferredStock dei:LegalEntity, us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:PaymentsForRepurchaseOfRedeemablePreferredStock

enb:WestcoastEnergyInc, enb:Series10PreferredStock, us-gaap:PreferredStock


Payments
Period End2020-12-16
Value115
Percentage of PaymentsForRepurchaseOfRedeemablePreferredStock100.0

us-gaap:PaymentsOfDividendsMinorityInterest

us-gaap:PaymentsOfDividendsMinorityInterest


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value77666868887660945446220212216209205248195271
Percentage of PaymentsOfDividendsMinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value9092969494969696101909694878784828183
Percentage of PaymentsOfDividendsPreferredStockAndPreferenceStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireIntangibleAssets

us-gaap:PaymentsToAcquireIntangibleAssets


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value536561503569643674264966167258121205230233
Percentage of PaymentsToAcquireIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireLongtermInvestments

us-gaap:PaymentsToAcquireLongtermInvestments


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value94617478248871413181355652614593832095132342412537
Percentage of PaymentsToAcquireLongtermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PreferredStockDividendRatePerDollarAmount us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents, us-gaap:SubsequentEventType

us-gaap:PreferredStockDividendRatePerDollarAmount

enb:PreferenceSharesSeries19, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.30625
Percentage of PreferredStockDividendRatePerDollarAmount100.0

enb:Series11PreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.24613
Percentage of PreferredStockDividendRatePerDollarAmount80.4

enb:Series13PreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.19019
Percentage of PreferredStockDividendRatePerDollarAmount62.1

enb:Series15PreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.275
Percentage of PreferredStockDividendRatePerDollarAmount89.8

enb:Series17PreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.32188
Percentage of PreferredStockDividendRatePerDollarAmount105.1

enb:Series1PreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.37182
Percentage of PreferredStockDividendRatePerDollarAmount121.4

enb:Series3PreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.23356
Percentage of PreferredStockDividendRatePerDollarAmount76.3

enb:Series5PreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.33596
Percentage of PreferredStockDividendRatePerDollarAmount109.7

enb:Series7PreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.27806
Percentage of PreferredStockDividendRatePerDollarAmount90.8

enb:Series9PreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.25606
Percentage of PreferredStockDividendRatePerDollarAmount83.6

enb:SeriesJPreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.3054
Percentage of PreferredStockDividendRatePerDollarAmount99.7

enb:SeriesLPreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.30993
Percentage of PreferredStockDividendRatePerDollarAmount101.2

enb:SeriesNPreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.31788
Percentage of PreferredStockDividendRatePerDollarAmount103.8

enb:SeriesPPreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.27369
Percentage of PreferredStockDividendRatePerDollarAmount89.4

enb:SeriesRPreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.25456
Percentage of PreferredStockDividendRatePerDollarAmount83.1

us-gaap:SeriesAPreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.34375
Percentage of PreferredStockDividendRatePerDollarAmount112.2

us-gaap:SeriesBPreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.2134
Percentage of PreferredStockDividendRatePerDollarAmount69.7

us-gaap:SeriesCPreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.16779
Percentage of PreferredStockDividendRatePerDollarAmount54.8

us-gaap:SeriesDPreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.27875
Percentage of PreferredStockDividendRatePerDollarAmount91.0

us-gaap:SeriesFPreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.29306
Percentage of PreferredStockDividendRatePerDollarAmount95.7

us-gaap:SeriesHPreferredStock, us-gaap:PreferredStock, us-gaap:SubsequentEvent


Preferred
Period End2020-07-22
Value0.2735
Percentage of PreferredStockDividendRatePerDollarAmount89.3

us-gaap:PreferredStockDividendsAndOtherAdjustments

us-gaap:PreferredStockDividendsAndOtherAdjustments


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value909296949496969696959594898984828183
Percentage of PreferredStockDividendsAndOtherAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromDivestitureOfBusinesses

us-gaap:ProceedsFromDivestitureOfBusinesses


Proceeds
Period End2021-06-302021-03-312020-09-30
Value0.012220
Percentage of ProceedsFromDivestitureOfBusinesses0.0100.0100.0

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital

us-gaap:ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1856126718517677132171291393410310835763232811
Percentage of ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.00.02.01.00.00.00.0184.03.01.0131478135.04.0
Percentage of ProceedsFromIssuanceOfCommonStock100.00.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMinorityShareholders

us-gaap:ProceedsFromMinorityShareholders


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value6.03.02.01.05.0152.01.06.03.01.02.0138.033445238215
Percentage of ProceedsFromMinorityShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForLongTermLoansForRelatedParties

us-gaap:ProceedsFromPaymentsForLongTermLoansForRelatedParties


Proceeds
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302018-06-302018-03-312017-06-302017-03-31
Value-15.044-17.071-44.0-92.0-13.0-10.0-38.0-2.0
Percentage of ProceedsFromPaymentsForLongTermLoansForRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-19000000.0-21000000.0-38000000.0-17000000.0-17000000.0-18000000.0-11000000.0-24000000.0-11000000.0-25000000.0-18000000.0-5000000.0000
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PropertyPlantAndEquipmentAdditions

us-gaap:PropertyPlantAndEquipmentAdditions


Property
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value14251913145712211158115911861627136216281643196923481665
Percentage of PropertyPlantAndEquipmentAdditions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAdditions us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Property
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value9.012221922321425-19.02.06.0
Percentage of PropertyPlantAndEquipmentAdditions0.60.61.51.61.92.81.21.5-1.40.10.4

us-gaap:PropertyPlantAndEquipmentAdditions us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, enb:EnergyServicesConsolidate


Property
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value1.01.00.00.01.01.00.00.00.00.01.00.0
Percentage of PropertyPlantAndEquipmentAdditions0.10.10.00.00.10.10.00.00.00.00.00.0

us-gaap:OperatingSegments, enb:GasDistributionandStorageSegment


Property
Period End2021-06-302021-03-312020-06-302020-03-31
Value300219204222
Percentage of PropertyPlantAndEquipmentAdditions21.111.416.719.2

us-gaap:OperatingSegments, enb:GasTransmissionandMidstreamSegment


Property
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value547482642429391436424394
Percentage of PropertyPlantAndEquipmentAdditions38.425.244.135.133.837.635.824.2

us-gaap:OperatingSegments, enb:LiquidsPipelinesSegment


Property
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value56711954425615004425221020
Percentage of PropertyPlantAndEquipmentAdditions39.862.530.345.943.238.144.062.7

us-gaap:OperatingSegments, enb:RenewablePowerGenerationSegment


Property
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value2.05.0117.0232.02.014
Percentage of PropertyPlantAndEquipmentAdditions0.10.30.80.62.00.20.20.9

us-gaap:OperatingSegments, us-gaap:GasDistribution


Property
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value339204222247223173311239183302309183
Percentage of PropertyPlantAndEquipmentAdditions23.316.719.221.318.810.622.814.711.115.313.211.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax


Reclassification
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-4.0-4.0-5.0-4.042-2.0-4.0-53.020
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax us-gaap:DerivativeInstrumentRisk

us-gaap:CommodityContract


Reclassification
Period End2021-03-312018-12-31
Value-1.00.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax0.00.0

us-gaap:ForeignExchangeContract


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-2.0-1.0-2.0-1.0-1.0-1.0-1.0-2.00.0-2.0-1.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax0.00.050.025.020.025.0-2.4100.0-0.03.8-5.0

us-gaap:InterestRateContract


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-79.0-63.0-74.0-76.0-60.0-43.0-49.0-36.0-40.0-32.0-65.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax0.00.01850.01900.01200.01075.0-116.71800.01000.060.4-325.0

us-gaap:OtherContract


Reclassification
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1.0-1.01.0-6.09.0-12.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax-25.0-2.4-50.0150.0-17.0-60.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax us-gaap:DerivativeInstrumentRisk, us-gaap:StatementEquityComponents

us-gaap:CommodityContract, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Reclassification
Period End2021-03-31
Value-1.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax0.0

us-gaap:ForeignExchangeContract, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2.0-1.0-2.0-1.0-1.0-1.0-1.0-2.00.0-2.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax0.00.050.025.020.025.0-2.4100.0-0.03.8

us-gaap:InterestRateContract, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-79.0-63.0-74.0-76.0-60.0-43.0-49.0-36.0-40.0-32.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax0.00.01850.01900.01200.01075.0-116.71800.01000.060.4

us-gaap:OtherContract, us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Reclassification
Period End2021-03-31
Value20
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax0.0

us-gaap:OtherContract, us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Reclassification
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-302019-03-31
Value16-17.01.0-1.01.0-6.09.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax0.00.0-25.0-2.4-50.0150.0-17.0

us-gaap:OtherContract, us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest


Reclassification
Period End2021-03-31
Value-3.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax0.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-7.0-7.0-4.0-4.0-5.0-4.042-2.0-4.0-53.020-5.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:ReclassificationFromAociCurrentPeriodTax


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-21000000.0-15000000.0-17000000.0-18000000.0-14000000.0-13000000.014000000.0-10000000.0-10000000.0-29000000.0-4000000.0-11000000.0
Percentage of ReclassificationFromAociCurrentPeriodTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-1000000.0-2000000.0-1000000.0-1000000.0-1000000.0-1000000.011000000.0-1000000.01000000.0-15000000.04000000.00
Percentage of ReclassificationFromAociCurrentPeriodTax4.813.35.95.67.17.778.610.0-10.051.7-100.0-0.0

us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-20000000.0-13000000.0-16000000.0-17000000.0-13000000.0-12000000.03000000.0-9000000.0-11000000.0-14000000.0
Percentage of ReclassificationFromAociCurrentPeriodTax95.286.794.194.492.992.321.490.0110.048.3

us-gaap:RevenueNotFromContractWithCustomer us-gaap:ConsolidationItems

us-gaap:RevenueNotFromContractWithCustomer

us-gaap:IntersegmentElimination


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-163.0-145.0-167.0-163.0-187.0-105.0-113.0-100.0-131.0-117.0-182.0-119.0-118.00.0
Percentage of RevenueNotFromContractWithCustomer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RevenueNotFromContractWithCustomer us-gaap:ConsolidationItems, us-gaap:ProductOrService

enb:EliminationsAndReconcilingItems, enb:OtherRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value6.0-4.0-5.0-5.0-7.0-6.0-2.00.05.0-19.035-1.0-6.0
Percentage of RevenueNotFromContractWithCustomer-3.72.83.03.13.75.71.8-0.0-3.816.2-19.20.85.1

us-gaap:RevenueNotFromContractWithCustomer us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, enb:CommoditySalesRevenue, enb:EnergyServicesSegment


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value633464294595293673896864739684136632
Percentage of RevenueNotFromContractWithCustomer-3885.9-4433.8-2819.0-1570.1-7037.1-6074.3-7396.0-6422.1-5668.4

us-gaap:OperatingSegments, enb:OtherRevenue, enb:EnergyServicesSegment


Revenue
Period End2021-06-302020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.0-3.011-7.00.0-1.0-7.06.0
Percentage of RevenueNotFromContractWithCustomer-0.61.8-5.96.7-0.01.05.3-5.1

us-gaap:OperatingSegments, enb:OtherRevenue, enb:GasDistributionandStorageSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value126.018-8.08.0-1.04.0-21.0-3.029
Percentage of RevenueNotFromContractWithCustomer-7.4-4.1-10.84.9-4.31.0-3.521.02.3-24.8

us-gaap:OperatingSegments, enb:OtherRevenue, enb:GasTransmissionandMidstreamSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value9.0129.0145.016-13.02310.010.0
Percentage of RevenueNotFromContractWithCustomer-5.5-8.3-5.4-8.6-2.7-15.211.5-23.0-7.6-8.5

us-gaap:OperatingSegments, enb:OtherRevenue, enb:LiquidsPipelinesSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value215212643360598-1017.0276-156.0199340
Percentage of RevenueNotFromContractWithCustomer-131.9-146.2-385.0-220.9-319.8968.6-244.2156.0-151.9-290.6

us-gaap:OperatingSegments, enb:OtherRevenue, enb:RenewablePowerGenerationSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value779111080961031098294102
Percentage of RevenueNotFromContractWithCustomer-47.2-62.8-65.9-49.1-51.3-98.1-96.5-82.0-71.8-87.2

us-gaap:RevenueNotFromContractWithCustomer us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IntersegmentElimination, enb:EnergyServicesSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value10.04.02.04.02.016168.01235
Percentage of RevenueNotFromContractWithCustomer-6.1-2.8-1.2-2.5-1.1-15.2-14.2-8.0-9.2-29.9

us-gaap:IntersegmentElimination, enb:GasDistributionandStorageSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value159.04.02.02.04.07.03.03.03.0
Percentage of RevenueNotFromContractWithCustomer-9.2-6.2-2.4-1.2-1.1-3.8-6.2-3.0-2.3-2.6

us-gaap:IntersegmentElimination, enb:GasTransmissionandMidstreamSegment


Revenue
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.00.01.00.01.01.01.02.0
Percentage of RevenueNotFromContractWithCustomer-0.6-0.0-0.5-0.0-0.9-1.0-0.8-1.7

us-gaap:IntersegmentElimination, enb:LiquidsPipelinesSegment


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value13813216015718285898811577
Percentage of RevenueNotFromContractWithCustomer-84.7-91.0-95.8-96.3-97.3-81.0-78.8-88.0-87.8-65.8

us-gaap:RevenueNotFromContractWithCustomer us-gaap:ProductOrService

enb:CommoditySalesRevenue


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value6334642945952936738968647396841366327062662158126575778850126620
Percentage of RevenueNotFromContractWithCustomer-3885.9-4433.8-2819.0-1570.1-7037.1-6074.3-7396.0-6422.1-5668.4-3880.2-5563.9-4925.40.00.00.00.0

enb:OtherRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value320317774438711-912.0374-73.0298468-465.0300-179.0
Percentage of RevenueNotFromContractWithCustomer-196.3-218.6-463.5-268.7-380.2868.6-331.073.0-227.5-400.0255.5-252.1151.7

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-5.0-3.0-2.0-1.0-2.0-16.0-10.0-2.0-6.0-43.0-10.0-4.0-4.0-6.0-25.0-17.0-4.0-49.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value8.04.04.01.03.014113.04.0516.05.05.01632131233
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised-160.0-133.3-200.0-100.0-150.0-87.5-110.0-150.0-66.7-118.6-60.0-125.0-125.0-266.7-128.0-76.5-300.0-67.3

us-gaap:StockholdersEquityOther us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityOther

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-2.01.00.00.010.0-1.0-5.02.0-29.01529-10.0-3.0
Percentage of StockholdersEquityOther100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1.01.00.0-1.00.04.00.01.0-8.0-2.0
Percentage of StockholdersEquityOther50.00.00.0-100.00.00.00.010.0800.040.0

us-gaap:UnrealizedGainLossOnDerivatives

us-gaap:UnrealizedGainLossOnDerivatives


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value133315956624732-1556.0746-107.0574538-584.0230-289.0-260.0-1.0345480418
Percentage of UnrealizedGainLossOnDerivatives100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrealizedGainLossOnDerivatives us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:CommodityContract, us-gaap:Nondesignated


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-90.072-139.069-517.0473-36.073162-261.0442-113.0-19.0175-221.0-160.019163
Percentage of UnrealizedGainLossOnDerivatives-67.722.9-14.511.1-70.6-30.4-4.8-68.228.2-48.5-75.7-49.16.6-67.322100.0-46.44.039.0

us-gaap:ForeignExchangeContract, us-gaap:Nondesignated


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value21823610885711246-2003.0777-179.0412616-1034.0345-277.0-424.074503434273
Percentage of UnrealizedGainLossOnDerivatives163.974.9113.891.5170.2128.7104.2167.371.8114.5177.1150.095.8163.1-7400.0145.890.465.3

us-gaap:InterestRateContract, us-gaap:Nondesignated


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.02.03.0-13.03.0-18.00.00.00.01781.06.00.0-2.0144-1.032-18.0
Percentage of UnrealizedGainLossOnDerivatives0.00.60.3-2.10.41.20.0-0.00.033.1-0.22.6-0.00.8-14400.0-0.36.7-4.3

us-gaap:OtherContract, us-gaap:Nondesignated


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value5.05.04.0-3.00.0-8.05.0-1.00.05.07.0-8.07.0-9.02.03.0-5.00.0
Percentage of UnrealizedGainLossOnDerivatives3.81.60.4-0.50.00.50.70.90.00.9-1.2-3.5-2.43.5-200.00.9-1.00.0

us-gaap:UnrealizedGainLossOnDerivatives us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation

us-gaap:CommodityContract, us-gaap:Nondesignated, enb:CommodityCosts


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-66.0-100.012-153.01393-1045.077-10.0-6.0398-283.0-37.04384201134.05.0
Percentage of UnrealizedGainLossOnDerivatives-49.6-31.71.3-24.5190.367.210.39.3-1.074.048.5-16.1-14.9-32.3-20100.03.80.81.2

us-gaap:CommodityContract, us-gaap:Nondesignated, enb:CommoditySalesRevenue


Unrealized
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-27.0171227-1896.01493-126.072152-642.055732-72.082-157.0-130.010.0187
Percentage of UnrealizedGainLossOnDerivatives-20.354.336.4-259.0-96.0-16.9-67.326.5-119.3-95.413.924.9-31.515700.0-37.72.144.7

us-gaap:CommodityContract, us-gaap:Nondesignated, enb:OperatingAndAdministrativeExpense


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.04.04.04.03.0-9.0241.0159.02.0-5.06.010.0-56.05.020-7.0
Percentage of UnrealizedGainLossOnDerivatives2.31.30.40.60.40.63.2-0.92.61.7-0.3-2.2-2.1-3.85600.01.44.2-1.7

us-gaap:CommodityContract, us-gaap:Nondesignated, enb:TransportationAndOtherServicesRevenues


Unrealized
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.0-3.0-9.0-17.034-11.010.01.0-26.050134.0-1.0-19.0-48.0-15.0-22.0
Percentage of UnrealizedGainLossOnDerivatives0.0-1.0-1.4-2.3-2.2-1.5-9.30.2-4.8-8.65.7-1.40.41900.0-13.9-3.1-5.3

us-gaap:ForeignExchangeContract, us-gaap:Nondesignated, enb:OtherIncomeExpense


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value8082468221622-942.02135.0214264-272.0136-19.0-127.00.0175195114
Percentage of UnrealizedGainLossOnDerivatives60.226.049.035.485.060.528.6-4.737.349.146.659.16.648.8-0.050.740.627.3

us-gaap:ForeignExchangeContract, us-gaap:Nondesignated, enb:TransportationAndOtherServicesRevenues


Unrealized
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value138154350624-1061.0564-184.0198352-1454.0-209.025829774328239159
Percentage of UnrealizedGainLossOnDerivatives103.848.956.185.268.275.6172.034.565.4249.0-90.9-89.3-114.2-7400.095.149.838.0

us-gaap:UnrealizedGainLossOnDerivatives us-gaap:HedgingDesignation

us-gaap:Nondesignated


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value133315956624732-1556.0746-107.0574538-584.0230-289.0-260.0-1233.0345480418
Percentage of UnrealizedGainLossOnDerivatives100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0123300.0100.0100.0100.0

us-gaap:VariableInterestEntityOwnershipPercentage us-gaap:ConsolidatedEntities, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:VariableInterestEntityOwnershipPercentage

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, enb:EnbridgeEolienFrance2Sarl


Variable
Period End2020-09-30
Value50.0
Percentage of VariableInterestEntityOwnershipPercentage100.0

enb:AccountsReceivablesAndOtherAmountsNetCurrent

enb:AccountsReceivablesAndOtherAmountsNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value6108622752584333546165746781583362576486651756686100627170534978
Percentage of AccountsReceivablesAndOtherAmountsNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:AccountsReceivablesAndOtherAmountsNetCurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Accounts
Period End2020-12-312019-12-31
Value6576
Percentage of AccountsReceivablesAndOtherAmountsNetCurrent1.21.1

enb:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLongTermDebtFairValueAdjustmentRateRegulatedEntities

enb:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLongTermDebtFairValueAdjustmentRateRegulatedEntities


Business
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value75084496411140.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLongTermDebtFairValueAdjustmentRateRegulatedEntities100.0100.0100.0100.00.0

enb:DerivativeAssetLiabilityNetOfAmountsAvailableForOffset

enb:DerivativeAssetLiabilityNetOfAmountsAvailableForOffset


Derivative
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-1069.0-1687.0-3210.0-2192.0-4150.0
Percentage of DerivativeAssetLiabilityNetOfAmountsAvailableForOffset100.0100.0100.0100.0100.0

enb:DerivativeAssetLiabilityNetOfAmountsAvailableForOffset us-gaap:DerivativeInstrumentRisk

us-gaap:CommodityContract


Derivative
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-156.0-58.030-457.0-261.0
Percentage of DerivativeAssetLiabilityNetOfAmountsAvailableForOffset14.63.4-0.920.86.3

us-gaap:ForeignExchangeContract


Derivative
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-299.0-1102.0-2718.0-1383.0-2842.0
Percentage of DerivativeAssetLiabilityNetOfAmountsAvailableForOffset28.065.384.763.168.5

us-gaap:InterestRateContract


Derivative
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-610.0-534.0-515.0-348.0-1045.0
Percentage of DerivativeAssetLiabilityNetOfAmountsAvailableForOffset57.131.716.015.925.2

us-gaap:OtherContract


Derivative
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-4.07.0-7.0-4.0-2.0
Percentage of DerivativeAssetLiabilityNetOfAmountsAvailableForOffset0.4-0.40.20.20.0

enb:DerivativeAssetNetOfAmountsAvailableForOffset us-gaap:BalanceSheetLocation

enb:DerivativeAssetNetOfAmountsAvailableForOffset

enb:AccountsReceivableAndOther


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value3342732141101627292031551601023459996152146122
Percentage of DerivativeAssetNetOfAmountsAvailableForOffset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:DeferredAmountsAndOther


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value448510309157173291571079129596039703551
Percentage of DerivativeAssetNetOfAmountsAvailableForOffset134.1186.8144.4142.7106.839.928.169.056.928.417.160.640.646.124.041.8

enb:DerivativeAssetNetOfAmountsAvailableForOffset us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk

enb:AccountsReceivableAndOther, us-gaap:CommodityContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value456562771256741161441429531535386681116
Percentage of DerivativeAssetNetOfAmountsAvailableForOffset13.523.829.070.077.292.557.192.988.893.191.335.439.643.455.595.1

enb:AccountsReceivableAndOther, us-gaap:ForeignExchangeContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2832061523337558310.0160.010.0182664606.0
Percentage of DerivativeAssetNetOfAmountsAvailableForOffset84.775.571.030.022.87.540.96.510.00.02.918.227.142.141.14.9

enb:AccountsReceivableAndOther, us-gaap:OtherContract


Derivative
Period End2021-06-302021-03-312019-12-31
Value6.02.04.0
Percentage of DerivativeAssetNetOfAmountsAvailableForOffset1.80.72.0

enb:DeferredAmountsAndOther, us-gaap:CommodityContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value24333037404615281713315.02.03.04.046
Percentage of DerivativeAssetNetOfAmountsAvailableForOffset7.212.114.033.624.76.37.418.110.612.79.05.12.12.02.737.7

enb:DeferredAmountsAndOther, us-gaap:ForeignExchangeContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2862542481151332453978731423141852201.0
Percentage of DerivativeAssetNetOfAmountsAvailableForOffset85.693.0115.9104.582.133.619.250.345.613.76.714.118.834.213.70.8

enb:DeferredAmountsAndOther, us-gaap:InterestRateContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value134221315.00.05.0411915112.0
Percentage of DerivativeAssetNetOfAmountsAvailableForOffset40.181.014.54.50.01.441.419.89.97.51.6

enb:DeferredAmountsAndOther, us-gaap:OtherContract


Derivative
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302016-12-31
Value4.02.03.01.01.02.00.00.02.0
Percentage of DerivativeAssetNetOfAmountsAvailableForOffset1.20.71.50.60.62.00.00.01.6

enb:DerivativeAssetTotalAmountsAvailableForOffset us-gaap:BalanceSheetLocation

enb:DerivativeAssetTotalAmountsAvailableForOffset

enb:AccountsReceivableAndOther


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value20312910910518833912510775103153137127109150231
Percentage of DerivativeAssetTotalAmountsAvailableForOffset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:DeferredAmountsAndOther


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2702512521431351504470485860556477146100
Percentage of DerivativeAssetTotalAmountsAvailableForOffset133.0194.6231.2136.271.844.235.265.464.056.339.240.150.470.697.343.3

enb:DerivativeAssetTotalAmountsAvailableForOffset us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk

enb:AccountsReceivableAndOther, us-gaap:CommodityContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value1749381821522894741547711485743464125
Percentage of DerivativeAssetTotalAmountsAvailableForOffset85.772.174.378.180.985.337.638.372.074.874.562.058.331.242.754.1

enb:AccountsReceivableAndOther, us-gaap:ForeignExchangeContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value293628233650786621263749487083103
Percentage of DerivativeAssetTotalAmountsAvailableForOffset14.327.925.721.919.114.762.461.728.025.224.235.837.864.255.344.6

enb:DeferredAmountsAndOther, us-gaap:CommodityContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value40149.02923222.07.07.022212529191922
Percentage of DerivativeAssetTotalAmountsAvailableForOffset19.710.98.327.612.26.51.66.59.321.413.718.222.817.412.79.5

enb:DeferredAmountsAndOther, us-gaap:ForeignExchangeContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value207211218111112128426240363929345812572
Percentage of DerivativeAssetTotalAmountsAvailableForOffset102.0163.6200.0105.759.637.833.657.953.335.025.521.226.853.283.331.2

enb:DeferredAmountsAndOther, us-gaap:InterestRateContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302019-03-312018-12-312018-09-302018-03-312017-12-312016-12-31
Value2326253.00.00.01.00.02.06.0
Percentage of DerivativeAssetTotalAmountsAvailableForOffset11.320.222.92.90.00.00.70.01.32.6

enb:DerivativeLiabilityNetOfAmountsAvailableForOffset

enb:DerivativeLiabilityNetOfAmountsAvailableForOffset


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value2222661069202030983664168728352582286032102283260723592192
Percentage of DerivativeLiabilityNetOfAmountsAvailableForOffset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:DerivativeLiabilityNetOfAmountsAvailableForOffset us-gaap:BalanceSheetLocation

enb:AccountsPayableAndOther


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value5955857856121568192381184581984310818978698089801710
Percentage of DerivativeLiabilityNetOfAmountsAvailableForOffset268.0219.973.430.350.652.548.129.831.729.533.739.333.334.344.70.0

us-gaap:OtherLiabilities


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value4094648071675186527611136225220142148253315451873177313932613
Percentage of DerivativeLiabilityNetOfAmountsAvailableForOffset184.2174.475.582.960.275.467.379.478.075.178.967.771.875.263.50.0

enb:DerivativeLiabilityNetOfAmountsAvailableForOffset us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk

enb:AccountsPayableAndOther, us-gaap:CommodityContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value1911321997819221712699130212159326216212375234
Percentage of DerivativeLiabilityNetOfAmountsAvailableForOffset86.049.618.63.96.25.97.53.55.07.45.014.38.39.017.10.0

enb:AccountsPayableAndOther, us-gaap:ForeignExchangeContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value248213157360528874332487431480578327378285276892
Percentage of DerivativeLiabilityNetOfAmountsAvailableForOffset111.780.114.717.817.023.919.717.216.716.818.014.314.512.112.60.0

enb:AccountsPayableAndOther, us-gaap:InterestRateContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value156240425172847831353258258150339235271301326580
Percentage of DerivativeLiabilityNetOfAmountsAvailableForOffset70.390.239.88.527.322.720.99.110.05.210.610.310.412.814.90.0

enb:AccountsPayableAndOther, us-gaap:OtherContract


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-09-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value4.02.01.01.01.01.05.09.04.010.03.04.0
Percentage of DerivativeLiabilityNetOfAmountsAvailableForOffset0.40.10.00.00.00.00.20.40.20.40.10.0

us-gaap:OtherLiabilities, us-gaap:CommodityContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value5856495157596391119130157128129141167189
Percentage of DerivativeLiabilityNetOfAmountsAvailableForOffset26.121.14.62.51.81.63.73.24.64.54.95.64.96.07.60.0

us-gaap:OtherLiabilities, us-gaap:ForeignExchangeContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value228332542102914122300892147413541644217314021724160211871957
Percentage of DerivativeLiabilityNetOfAmountsAvailableForOffset102.7124.850.750.945.662.852.952.052.457.567.761.466.167.954.20.0

us-gaap:OtherLiabilities, us-gaap:InterestRateContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value123762165863903951816865403742018.0192238467
Percentage of DerivativeLiabilityNetOfAmountsAvailableForOffset55.428.620.229.012.610.810.724.220.913.16.30.40.70.91.70.0

us-gaap:OtherLiabilities, us-gaap:OtherContract


Derivative
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value9.06.07.01.01.00.02.07.01.08.01.0
Percentage of DerivativeLiabilityNetOfAmountsAvailableForOffset0.40.20.20.00.00.00.10.30.00.30.0

enb:DerivativeLiabilityNetOfAmountsAvailableForOffset us-gaap:DerivativeInstrumentRisk

us-gaap:CommodityContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value180901561584-444.0581890234-30.0414305284457
Percentage of DerivativeLiabilityNetOfAmountsAvailableForOffset81.133.814.60.72.7-12.13.40.63.58.2-0.918.111.712.020.8

us-gaap:ForeignExchangeContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-93.085299124117702874110218731696211027181697205817711383
Percentage of DerivativeLiabilityNetOfAmountsAvailableForOffset-41.932.028.061.457.178.465.366.165.773.884.774.378.975.163.1

us-gaap:InterestRateContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1459561075312371226534943796517515156239286348
Percentage of DerivativeLiabilityNetOfAmountsAvailableForOffset65.335.757.137.339.933.531.733.330.818.116.06.89.212.115.9

us-gaap:OtherContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-10.0-4.04.0117.08.0-7.01.00.0-1.07.0165.0184.0
Percentage of DerivativeLiabilityNetOfAmountsAvailableForOffset-4.5-1.50.40.50.20.2-0.40.00.0-0.00.20.70.20.80.2

enb:DerivativeLiabilityTotalAmountsAvailableForOffset us-gaap:BalanceSheetLocation

enb:DerivativeLiabilityTotalAmountsAvailableForOffset

enb:AccountsPayableAndOther


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value20312910910518833912510775103153137127109150231
Percentage of DerivativeLiabilityTotalAmountsAvailableForOffset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherLiabilities


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2702512521431351504470485860556477146100
Percentage of DerivativeLiabilityTotalAmountsAvailableForOffset133.0194.6231.2136.271.844.235.265.464.056.339.240.150.470.697.343.3

enb:DerivativeLiabilityTotalAmountsAvailableForOffset us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk

enb:AccountsPayableAndOther, us-gaap:CommodityContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value1749381821522894741547711485743464125
Percentage of DerivativeLiabilityTotalAmountsAvailableForOffset85.772.174.378.180.985.337.638.372.074.874.562.058.331.242.754.1

enb:AccountsPayableAndOther, us-gaap:ForeignExchangeContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value293628233650786621263749487083103
Percentage of DerivativeLiabilityTotalAmountsAvailableForOffset14.327.925.721.919.114.762.461.728.025.224.235.837.864.255.344.6

us-gaap:OtherLiabilities, us-gaap:CommodityContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value40149.02923222.07.07.022212529191922
Percentage of DerivativeLiabilityTotalAmountsAvailableForOffset19.710.98.327.612.26.51.66.59.321.413.718.222.817.412.79.5

us-gaap:OtherLiabilities, us-gaap:ForeignExchangeContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value207211218111112128426240363929345812572
Percentage of DerivativeLiabilityTotalAmountsAvailableForOffset102.0163.6200.0105.759.637.833.657.953.335.025.521.226.853.283.331.2

us-gaap:OtherLiabilities, us-gaap:InterestRateContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312016-12-31
Value2326253.00.00.00.00.00.00.00.01.00.02.06.0
Percentage of DerivativeLiabilityTotalAmountsAvailableForOffset11.320.222.92.90.00.00.00.00.00.00.00.70.01.32.6

enb:DerivativeNonmonetaryNotionalAmountOutstanding us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk

enb:DerivativeNonmonetaryNotionalAmountOutstanding

srt:CrudeOil, us-gaap:CommodityContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1.3e-058e-06151.7e-051.8e-051e-05284.0
Percentage of DerivativeNonmonetaryNotionalAmountOutstanding100.0100.0100.0100.0100.0100.0100.0100.0

srt:NaturalGasReserves, us-gaap:CommodityContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-31
Value0.0001560.00021730.0001540.000160.000107-1.0-167.0-159.0
Percentage of DerivativeNonmonetaryNotionalAmountOutstanding1200.02500.01153.3905.9888.91070.0-3.6-4175.00.0

enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInNextTwelveMonths us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk

enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInNextTwelveMonths

srt:CrudeOil, us-gaap:CommodityContract


Derivative
Period End2020-12-312019-12-312019-09-302019-06-30
Value14287.010.0
Percentage of DerivativeNonmonetaryNotionalAmountOutstandingMaturingInNextTwelveMonths100.0100.0100.0100.0

srt:NaturalGasReserves, us-gaap:CommodityContract


Derivative
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value114-33.0-3000.0-44000.0-75000.0-141.0
Percentage of DerivativeNonmonetaryNotionalAmountOutstandingMaturingInNextTwelveMonths814.3-117.9-42857.1-440000.00.00.0

enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInRemainderOfYear us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk

enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInRemainderOfYear

srt:CrudeOil, us-gaap:CommodityContract


Derivative
Period End2021-06-30
Value13.0
Percentage of DerivativeNonmonetaryNotionalAmountOutstandingMaturingInRemainderOfYear100.0

srt:NaturalGasReserves, us-gaap:CommodityContract


Derivative
Period End2021-06-30
Value81.0
Percentage of DerivativeNonmonetaryNotionalAmountOutstandingMaturingInRemainderOfYear623.1

enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearAfterFive us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk

enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearAfterFive

srt:NaturalGasReserves, us-gaap:CommodityContract


Derivative
Period End2020-09-302020-06-302020-03-312019-09-30
Value10.011.011.00
Percentage of DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearAfterFive100.0100.0100.00.0

enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearFive us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk

enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearFive

srt:NaturalGasReserves, us-gaap:CommodityContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value1.1e-051.1e-05111e-051e-051e-050.040000.0
Percentage of DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearFive100.0100.0100.0100.0100.0100.00.0100.00.0

enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearFour us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk

enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearFour

srt:NaturalGasReserves, us-gaap:CommodityContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value4e-064e-063.01.8e-051.7e-052.2e-053.021000-4.0
Percentage of DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearFour100.0100.0100.0100.0100.0100.0100.0100.0100.0

enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearThree us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk

enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearThree

srt:CrudeOil, us-gaap:CommodityContract


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-30
Value1e-061e-061e-060.00.0
Percentage of DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearThree100.0100.0100.00.00.0

srt:NaturalGasReserves, us-gaap:CommodityContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value1.2e-051.4e-05133.1e-052.2e-054.5e-05153000-6.0
Percentage of DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearThree0.00.00.03100.02200.04500.00.00.00.0

enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearTwo us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk

enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearTwo

srt:CrudeOil, us-gaap:CommodityContract


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value1.01.2e-059e-064e-060.01.03.0
Percentage of DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearTwo100.0100.0100.0100.00.0100.0100.0

srt:NaturalGasReserves, us-gaap:CommodityContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4.8e-053.8e-05326e-055.5e-055.7e-0514-26000.0-14000.0-15000.0-16.0
Percentage of DerivativeNonmonetaryNotionalAmountOutstandingMaturingInYearTwo0.00.03200.0500.0611.11425.00.0-2600000.0-466666.70.00.0

enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturinginRemainderofYear us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk

enb:DerivativeNonmonetaryNotionalAmountOutstandingMaturinginRemainderofYear

srt:CrudeOil, us-gaap:CommodityContract


Derivative
Period End2021-03-312020-09-302020-06-302020-03-31
Value8.04.08.05.0
Percentage of DerivativeNonmonetaryNotionalAmountOutstandingMaturinginRemainderofYear100.0100.0100.0100.0

srt:NaturalGasReserves, us-gaap:CommodityContract


Derivative
Period End2021-03-312020-09-302020-06-302020-03-31
Value133.025.045.0-38.0
Percentage of DerivativeNonmonetaryNotionalAmountOutstandingMaturinginRemainderofYear1662.5625.0562.5-760.0

enb:DerivativeNonmonetaryRateNotionalAmountOutstanding us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk, us-gaap:Position

enb:DerivativeNonmonetaryRateNotionalAmountOutstanding

enb:Power, us-gaap:CommodityContract, us-gaap:Short


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value4.3e-053.9e-05353e-0516
Percentage of DerivativeNonmonetaryRateNotionalAmountOutstanding100.0100.0100.0100.0100.0

enb:DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInNextTwelveMonths us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk, us-gaap:Position

enb:DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInNextTwelveMonths

enb:Power, us-gaap:CommodityContract, us-gaap:Short


Derivative
Period End2020-12-31
Value3000000.0
Percentage of DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInNextTwelveMonths100.0

enb:DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearFive us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk, us-gaap:Position

enb:DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearFive

enb:Power, us-gaap:CommodityContract, us-gaap:Short


Derivative
Period End2021-06-302021-03-312020-12-312020-09-30
Value4.3e-054.3e-05434.3e-05
Percentage of DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearFive100.0100.0100.0100.0

enb:DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearFour us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk, us-gaap:Position

enb:DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearFour

enb:Power, us-gaap:CommodityContract, us-gaap:Short


Derivative
Period End2021-06-302021-03-312020-12-312020-09-30
Value4.3e-054.3e-05434.3e-05
Percentage of DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearFour100.0100.0100.0100.0

enb:DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearThree us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk, us-gaap:Position

enb:DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearThree

enb:Power, us-gaap:CommodityContract, us-gaap:Short


Derivative
Period End2021-06-302021-03-312020-12-312020-09-30
Value4.3e-054.3e-05434.3e-05
Percentage of DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearThree100.0100.0100.0100.0

enb:DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearTwo us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk, us-gaap:Position

enb:DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearTwo

enb:Power, us-gaap:CommodityContract, us-gaap:Short


Derivative
Period End2021-06-302021-03-312020-12-312020-09-30
Value4.3e-054.3e-05433e-06
Percentage of DerivativeNonmonetaryRateNotionalAmountOutstandingMaturingInYearTwo100.0100.0100.0100.0

enb:DerivativeNonmonetaryRateNotionalAmountOutstandingMaturinginRemainderofYear us-gaap:ProductOrService, us-gaap:DerivativeInstrumentRisk, us-gaap:Position

enb:DerivativeNonmonetaryRateNotionalAmountOutstandingMaturinginRemainderofYear

enb:Power, us-gaap:CommodityContract, us-gaap:Long


Derivative
Period End2021-06-302021-03-312020-09-30
Value41.014.065.0
Percentage of DerivativeNonmonetaryRateNotionalAmountOutstandingMaturinginRemainderofYear100.0100.0100.0

enb:DerivativeNotionalAmountOutstanding us-gaap:Currency, us-gaap:DerivativeInstrumentRisk

enb:DerivativeNotionalAmountOutstanding

currency:EUR, enb:ForeignExchangeForwardSellContract


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value838876908908909
Percentage of DerivativeNotionalAmountOutstanding100.0100.0100.0100.0100.0

currency:GBP, enb:ForeignExchangeForwardSellContract


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value244252274280293
Percentage of DerivativeNotionalAmountOutstanding29.128.830.230.832.2

currency:USD, enb:ForeignExchangeForwardPurchaseContract


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value31142987336732233073
Percentage of DerivativeNotionalAmountOutstanding371.6341.0370.8355.0338.1

currency:USD, enb:ForeignExchangeForwardSellContract


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value1528116472185672000121390
Percentage of DerivativeNotionalAmountOutstanding1823.51880.42044.82202.82353.1

enb:DerivativeNotionalAmountOutstanding us-gaap:DerivativeInstrumentRisk

enb:ForeignExchangeForwardPurchaseContract


Derivative
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value3522112192652662997
Percentage of DerivativeNotionalAmountOutstanding0.00.00.00.00.0

enb:ForeignExchangeForwardSellContract


Derivative
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value17859194191907512620.0
Percentage of DerivativeNotionalAmountOutstanding0.00.00.00.00.0

enb:InterestRateContractForLongTermBorrowingsPayFixedRate


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-31
Value4348536853965495504751635102855854027509
Percentage of DerivativeNotionalAmountOutstanding518.9612.80.0605.2555.8568.00.00.00.00.0

enb:InterestRateContractForShortTermBorrowings


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-31
Value2556355646356005779095311078419664713814008
Percentage of DerivativeNotionalAmountOutstanding305.0405.90.0661.3857.91048.50.00.00.00.0

us-gaap:EquityContract


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-31
Value57576281505054559088
Percentage of DerivativeNotionalAmountOutstanding6.86.50.08.95.55.50.00.00.00.0

enb:DerivativeNotionalAmountOutstandingMaturingInAfterYearFive us-gaap:Currency, us-gaap:DerivativeInstrumentRisk

enb:DerivativeNotionalAmountOutstandingMaturingInAfterYearFive

currency:EUR, enb:ForeignExchangeForwardSellContract


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value428428514515515606606606698889889
Percentage of DerivativeNotionalAmountOutstandingMaturingInAfterYearFive100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

currency:GBP, enb:ForeignExchangeForwardSellContract


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value6060909090120120120149149149
Percentage of DerivativeNotionalAmountOutstandingMaturingInAfterYearFive14.014.017.517.517.519.819.819.821.316.816.8

enb:DerivativeNotionalAmountOutstandingMaturingInAfterYearFive us-gaap:DerivativeInstrumentRisk

enb:ForeignExchangeForwardSellContract


Derivative
Period End2020-12-312019-12-312018-12-312017-12-31
Value600.0120149
Percentage of DerivativeNotionalAmountOutstandingMaturingInAfterYearFive0.00.00.00.0

enb:InterestRateContractForShortTermBorrowings


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value909090121121121121156156156156203204203202
Percentage of DerivativeNotionalAmountOutstandingMaturingInAfterYearFive21.021.00.023.523.523.50.025.725.725.70.029.122.922.80.0

enb:DerivativeNotionalAmountOutstandingMaturingInNextTwelveMonths us-gaap:DerivativeInstrumentRisk

enb:DerivativeNotionalAmountOutstandingMaturingInNextTwelveMonths

enb:ForeignExchangeForwardPurchaseContract


Derivative
Period End2020-12-312019-12-312018-12-312017-12-31
Value177211212260.0
Percentage of DerivativeNotionalAmountOutstandingMaturingInNextTwelveMonths100.0100.0100.00.0

enb:ForeignExchangeForwardSellContract


Derivative
Period End2020-12-312019-12-312018-12-312017-12-31
Value571856310.00.0
Percentage of DerivativeNotionalAmountOutstandingMaturingInNextTwelveMonths322.7502.30.00.0

enb:InterestRateContractForLongTermBorrowingsPayFixedRate


Derivative
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value2067353315092497253737771894190722424007
Percentage of DerivativeNotionalAmountOutstandingMaturingInNextTwelveMonths116.6315.20.00.00.01671.20.00.00.00.0

enb:InterestRateContractForShortTermBorrowings


Derivative
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value4036609022044371662986161251253037494950
Percentage of DerivativeNotionalAmountOutstandingMaturingInNextTwelveMonths227.8543.30.00.00.03812.40.00.00.00.0

us-gaap:EquityContract


Derivative
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value44202929323540404045
Percentage of DerivativeNotionalAmountOutstandingMaturingInNextTwelveMonths2.51.80.00.00.015.50.00.00.00.0

enb:DerivativeNotionalAmountOutstandingMaturingInYearFive us-gaap:Currency, us-gaap:DerivativeInstrumentRisk

enb:DerivativeNotionalAmountOutstandingMaturingInYearFive

currency:EUR, enb:ForeignExchangeForwardSellContract


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value868691909192929294169169
Percentage of DerivativeNotionalAmountOutstandingMaturingInYearFive100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

currency:GBP, enb:ForeignExchangeForwardSellContract


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3030303030292929282828
Percentage of DerivativeNotionalAmountOutstandingMaturingInYearFive34.934.933.033.333.031.531.531.529.816.616.6

currency:USD, enb:ForeignExchangeForwardSellContract


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value648648185618561856180418041804167616761676
Percentage of DerivativeNotionalAmountOutstandingMaturingInYearFive753.5753.52039.62062.22039.61960.91960.91960.91783.0991.7991.7

enb:DerivativeNotionalAmountOutstandingMaturingInYearFive us-gaap:DerivativeInstrumentRisk

enb:ForeignExchangeForwardSellContract


Derivative
Period End2020-12-312019-12-312018-12-312017-12-31
Value64818569228
Percentage of DerivativeNotionalAmountOutstandingMaturingInYearFive0.00.00.00.0

enb:InterestRateContractForShortTermBorrowings


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value303030353536354848484993949391
Percentage of DerivativeNotionalAmountOutstandingMaturingInYearFive34.934.90.038.538.939.60.052.252.252.20.098.955.655.00.0

enb:DerivativeNotionalAmountOutstandingMaturingInYearFour us-gaap:Currency, us-gaap:DerivativeInstrumentRisk

enb:DerivativeNotionalAmountOutstandingMaturingInYearFour

currency:EUR, enb:ForeignExchangeForwardSellContract


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value919192929294949494169169
Percentage of DerivativeNotionalAmountOutstandingMaturingInYearFour100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

currency:GBP, enb:ForeignExchangeForwardSellContract


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3030292929282828272727
Percentage of DerivativeNotionalAmountOutstandingMaturingInYearFour33.033.031.531.531.529.829.829.828.716.016.0

currency:USD, enb:ForeignExchangeForwardSellContract


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value18561856378437843784518224221944168916891689
Percentage of DerivativeNotionalAmountOutstandingMaturingInYearFour2039.62039.64113.04113.04113.05512.82576.62068.11796.8999.4999.4

enb:DerivativeNotionalAmountOutstandingMaturingInYearFour us-gaap:DerivativeInstrumentRisk

enb:ForeignExchangeForwardSellContract


Derivative
Period End2020-12-312019-12-312018-12-312017-12-31
Value1856180428169
Percentage of DerivativeNotionalAmountOutstandingMaturingInYearFour0.00.00.00.0

enb:InterestRateContractForLongTermBorrowingsPayFixedRate


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-12-31
Value13680.00.00.00.00.00.0
Percentage of DerivativeNotionalAmountOutstandingMaturingInYearFour1487.00.00.00.00.00.00.0

enb:InterestRateContractForShortTermBorrowings


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3535354849504840540240741212111110995
Percentage of DerivativeNotionalAmountOutstandingMaturingInYearFour38.538.50.052.253.354.30.0430.9427.7433.00.0128.765.764.50.0

us-gaap:EquityContract


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-12-31
Value110.00.00.00.00.00.0
Percentage of DerivativeNotionalAmountOutstandingMaturingInYearFour12.00.00.00.00.00.00.0

enb:DerivativeNotionalAmountOutstandingMaturingInYearThree us-gaap:Currency, us-gaap:DerivativeInstrumentRisk

enb:DerivativeNotionalAmountOutstandingMaturingInYearThree

currency:EUR, enb:ForeignExchangeForwardSellContract


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value92929494949494
Percentage of DerivativeNotionalAmountOutstandingMaturingInYearThree100.0100.0100.0100.0100.0100.0100.0

currency:GBP, enb:ForeignExchangeForwardSellContract


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2929282828272727252525
Percentage of DerivativeNotionalAmountOutstandingMaturingInYearThree31.531.529.829.829.828.728.70.00.00.00.0

currency:JPY, enb:ForeignExchangeForwardPurchaseContract


Derivative
Period End2020-09-302020-06-302020-03-312019-09-302018-03-31
Value7250072500725000.00.0
Percentage of DerivativeNotionalAmountOutstandingMaturingInYearThree77127.777127.777127.70.00.0

currency:USD, enb:ForeignExchangeForwardPurchaseContract


Derivative
Period End2020-09-302020-06-302020-03-312019-09-302018-09-302018-06-302018-03-31
Value1750175017500.01.01.01.0
Percentage of DerivativeNotionalAmountOutstandingMaturingInYearThree1861.71861.71861.70.00.00.00.0

currency:USD, enb:ForeignExchangeForwardSellContract


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value37843784570357035703494636083608325832583258
Percentage of DerivativeNotionalAmountOutstandingMaturingInYearThree4113.04113.06067.06067.06067.05261.73838.30.00.00.00.0

enb:DerivativeNotionalAmountOutstandingMaturingInYearThree us-gaap:DerivativeInstrumentRisk

enb:ForeignExchangeForwardSellContract


Derivative
Period End2020-12-312019-12-312018-12-312017-12-31
Value3784518236083258
Percentage of DerivativeNotionalAmountOutstandingMaturingInYearThree0.00.00.00.0

enb:InterestRateContractForLongTermBorrowingsPayFixedRate


Derivative