ETR


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

Table of contents



us-gaap:CommonStockValue
dei:LegalEntity

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted
us-gaap:IncomeStatementLocation
us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
dei:LegalEntity
dei:LegalEntity, us-gaap:ProductOrService
us-gaap:CostOfGoodsAndServicesSold
us-gaap:ProductOrService

us-gaap:CostsAndExpenses
dei:LegalEntity

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
dei:LegalEntity
dei:LegalEntity, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:IncomeTaxExpenseBenefit
dei:LegalEntity
dei:LegalEntity, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxesPaidNet
dei:LegalEntity

us-gaap:InterestExpense
dei:LegalEntity

us-gaap:InterestExpenseDebt
dei:LegalEntity

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic
dei:LegalEntity

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NonoperatingIncomeExpense
dei:LegalEntity

us-gaap:OperatingIncomeLoss
dei:LegalEntity

us-gaap:OtherComprehensiveIncomeLossNetOfTax
dei:LegalEntity
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense
dei:LegalEntity
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ProfitLoss
dei:LegalEntity
dei:LegalEntity, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:RealizedInvestmentGainsLosses

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
dei:LegalEntity
dei:LegalEntity, us-gaap:MajorCustomers, us-gaap:ProductOrService
dei:LegalEntity, us-gaap:ProductOrService
us-gaap:MajorCustomers, us-gaap:ProductOrService
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:StatementBusinessSegments

us-gaap:Revenues

us-gaap:Assets
dei:LegalEntity
us-gaap:ConsolidationItems
us-gaap:StatementBusinessSegments

us-gaap:LiabilitiesAndStockholdersEquity
dei:LegalEntity

us-gaap:StockholdersEquity
dei:LegalEntity

us-gaap:AssetsCurrent
dei:LegalEntity

us-gaap:Cash
dei:LegalEntity

us-gaap:CashAndCashEquivalentsAtCarryingValue
dei:LegalEntity

us-gaap:AccountsReceivableNetCurrent
dei:LegalEntity

us-gaap:PrepaidExpenseAndOtherAssetsCurrent
dei:LegalEntity

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
dei:LegalEntity

us-gaap:PropertyPlantAndEquipmentNet
dei:LegalEntity

us-gaap:LongTermInvestments
dei:LegalEntity

us-gaap:OperatingLeaseRightOfUseAsset
dei:LegalEntity

us-gaap:OtherAssetsNoncurrent
dei:LegalEntity

us-gaap:EquitySecuritiesFvNi
dei:LegalEntity
dei:LegalEntity, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:AccountsPayableCurrent
dei:LegalEntity

us-gaap:ContractWithCustomerLiabilityCurrent
dei:LegalEntity

us-gaap:LiabilitiesCurrent
dei:LegalEntity

us-gaap:LongTermDebtCurrent
dei:LegalEntity
dei:LegalEntity
us-gaap:OperatingLeaseLiabilityCurrent
us-gaap:BalanceSheetLocation

us-gaap:OtherLiabilitiesCurrent
dei:LegalEntity

us-gaap:TaxesPayableCurrent
dei:LegalEntity

us-gaap:LiabilitiesNoncurrent
dei:LegalEntity

us-gaap:LongTermDebt
dei:LegalEntity
dei:LegalEntity, us-gaap:SaleLeasebackTransactionDescription

us-gaap:LongTermDebtNoncurrent
dei:LegalEntity

us-gaap:DeferredIncomeTaxLiabilitiesNet
dei:LegalEntity

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
dei:LegalEntity
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:RetirementPlanType

us-gaap:MinorityInterest
dei:LegalEntity
dei:LegalEntity
us-gaap:OperatingLeaseLiabilityNoncurrent
us-gaap:BalanceSheetLocation

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
dei:LegalEntity

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree
dei:LegalEntity

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour
dei:LegalEntity

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive
dei:LegalEntity

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
dei:LegalEntity

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue
dei:LegalEntity

us-gaap:StockholdersEquity
dei:LegalEntity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
dei:LegalEntity
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue
dei:LegalEntity

us-gaap:AdditionalPaidInCapitalCommonStock
dei:LegalEntity

us-gaap:RetainedEarningsAccumulatedDeficit
dei:LegalEntity

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
dei:LegalEntity
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValue

us-gaap:MinorityInterest
dei:LegalEntity

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
dei:LegalEntity

us-gaap:IncreaseDecreaseInAccountsPayable
dei:LegalEntity

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity

us-gaap:ProfitLoss
dei:LegalEntity
dei:LegalEntity, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity

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

us-gaap:RepaymentsOfLongTermDebt
dei:LegalEntity

us-gaap:PaymentsOfDividendsCommonStock
dei:LegalEntity
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation

us-gaap:DeferredTaxLiabilities
dei:LegalEntity

us-gaap:DeferredTaxAssetsNet
dei:LegalEntity

us-gaap:UnrecognizedTaxBenefits
dei:LegalEntity

us-gaap:DeferredTaxAssetsValuationAllowance
dei:LegalEntity
etr:AccumulatedDeferredIncomeTaxCreditsToCustomers
dei:LegalEntity
etr:AdditionToRegulatoryLiabilityDueToReturnOfUnprotectedExcessAccumulatedDeferredIncomeTaxes

etr:AmortizationOfGainsLossesPreTax
dei:LegalEntity
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:RetirementPlanType

etr:AmortizationOfPriorServiceCostCreditPreTax
dei:LegalEntity
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
dei:LegalEntity
etr:AmountTransferFromRestrictedEscrowAccountAsStormDamageReserve
us-gaap:StatementBusinessSegments
etr:AssetWriteOffsImpairmentsAndRelatedCharges

etr:AverageDilutiveEffectOfRestrictedStockPerShare

etr:AverageDilutiveEffectOfRestrictedStockShares

etr:AverageDilutiveEffectOfStockOptionsPerShare
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType
etr:CapacityOfPowerPlantUnit
dei:LegalEntity
etr:ChangeInMoneyPoolPayableNet
dei:LegalEntity
etr:ChangeInMoneyPoolReceivableNet

etr:ChangesInCreditLineBorrowingsNet

etr:Changesinsecuritizationaccount
dei:LegalEntity
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType
etr:Damagesawardedforpreviouslycapitalizedcosts
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType
etr:Damagesawardedforpreviouslyrecordednuclearfuelexpense
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType
etr:Damagesawardedforpreviouslyrecordedoperationandmaintenance
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType
etr:Damagesawardedforpreviouslyrecordedtaxesotherthanincometaxes
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType, us-gaap:SubsequentEventType
us-gaap:RetirementPlanType, us-gaap:SubsequentEventType
etr:DefinedContributionPlanDiscretionaryEmployerMatchingContributionPercent
dei:LegalEntity
etr:DemandSideManagementCosts

etr:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionTax

etr:DividendsPaidPreferredStock
dei:LegalEntity
dei:LegalEntity
etr:EstimatedRemainingCostsForCompletionOfJWayneLeonardPowerStation
dei:LegalEntity
etr:FERCstaffarguedoverrecoveryindepreciationexpenseforcapitaladditions

etr:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetandLiabilityUnrealizedGainsLossIncludedinEarnings
dei:LegalEntity, us-gaap:DerivativeInstrumentRisk
etr:FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedasRegulatoryLiabilityAsset
us-gaap:DerivativeInstrumentRisk
dei:LegalEntity, us-gaap:DerivativeInstrumentRisk
etr:FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedasRegulatoryLiabilityAsset
dei:LegalEntity
etr:FormulaRatePlanIncreaseRelatedToCOVID19NonBadDebtExpense

etr:ForwardSaleAgreementAggregateCompensationToSalesAgents

etr:ForwardSaleAgreementGrossSalesPrice
dei:LegalEntity
etr:FutureNuclearDecommissioningCostsAllowedByTheIRSInCostOfGoodsSold
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType
etr:GainLossOnDispositionOfAssetsNetOfTax
dei:LegalEntity
etr:IncreaseReductioninincometaxresultingfromEntergyWholesaleCommoditiesrestructuring

etr:IncreaseToPreviouslyReportedTaxableIncome
dei:LegalEntity, us-gaap:LiabilityForCatastropheClaimsByCatastrophicEvent
etr:InterimFuelRefundForCumulativeOverRecovery
dei:LegalEntity, us-gaap:SubsequentEventType
dei:LegalEntity
etr:InterimFuelRefundIncludingInterest
dei:LegalEntity, us-gaap:SubsequentEventType
dei:LegalEntity
etr:InterimIncreaseInFormulaRatePlanRevenues
dei:LegalEntity
etr:InterimIncreaseInFormulaRatePlanRevenuesDueToAdjustments
dei:LegalEntity, us-gaap:DerivativeInstrumentRisk
etr:IssuanceofFinancialTransmissionRights
us-gaap:DerivativeInstrumentRisk

etr:LitigationProceedsForReimbursementOfSpentNuclearFuelStorageCosts
dei:LegalEntity
dei:LegalEntity, etr:NamedStorms
etr:NonCapitalStormCosts
dei:LegalEntity, etr:NamedStorms, us-gaap:SubsequentEventType
etr:NamedStorms

etr:NuclearRefuelingOutageExpenses
dei:LegalEntity
dei:LegalEntity
etr:OneTimeAccumulatedDeferredIncomeTaxCredit

etr:OtherRegulatoryChargesCreditsNet
dei:LegalEntity
dei:LegalEntity, us-gaap:ConsolidatedEntities
etr:PaymentsOnLeaseIncludingInterest
dei:LegalEntity, us-gaap:PublicUtilitiesRegulatoryProceeding
etr:PaymentstoutilityoperatingcompaniespursuanttoFERCorder

etr:PensionandOtherPostretirementCostsReclassificationOutOfAccumulatedOtherComprehensiveIncomeBeforeTax
dei:LegalEntity
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
dei:LegalEntity
etr:PercentageInterestinRiverBend
us-gaap:SubsequentEventType
etr:PlannedGenerationFromNonNuclearPowerPlantsSoldForwardUnderFinancialHedges
us-gaap:SubsequentEventType
etr:Plannedgenerationsoldforwardfromnonutilitynuclearpowerplantsfortheremainderoftheperiod
dei:LegalEntity
etr:PreAuthorizationOfCapitalImprovementProjects
dei:LegalEntity
etr:ProceedsFromSaleLeasebackOfNuclearFuel
dei:LegalEntity
etr:ProjectedIncreaseInRevenueRequirement
dei:LegalEntity, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:PublicUtilitiesRegulatoryProceeding
etr:ProjectedRevenueDeficiency
dei:LegalEntity, us-gaap:ConsolidatedEntities, us-gaap:Range
etr:ProposedLimitOnCapitalImprovementProjectCostsBeforePreAuthorizationIsRequired
dei:LegalEntity
etr:ProposedRecoveryOfCertainRateCaseExpenses
dei:LegalEntity
etr:PublicUtilitiesProposedCustomerCredits
dei:LegalEntity, us-gaap:Range
dei:LegalEntity, us-gaap:Range, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:SubsequentEventType
dei:LegalEntity
etr:RateIncreaseIncludedinFormulaRatePlan

etr:RecognizedNetGainLossDueToSettlementsPreTax
dei:LegalEntity
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
dei:LegalEntity
etr:ReducedProposedIncreaseInRevenueRequirementToComplyWithAnnualRevenueConstraint
dei:LegalEntity, us-gaap:SubsequentEventType
dei:LegalEntity
etr:ReducedProposedRevenueIncreaseResultingFromNewMethodology
dei:LegalEntity, us-gaap:PublicUtilitiesRegulatoryProceeding
dei:LegalEntity
etr:Reducedproposedincreaseinrevenuerequirementtocomplywithannualrevenueconstraint

etr:ReductionInUnrecognizedTaxBenefitsDueToVidaliaPurchasedPowerDecision
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType
etr:ReductionOfPreviouslyRecordedDepreciationExpense
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType
etr:Reductionofpreviouslyrecordeddeprecationexpense
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType, us-gaap:SubsequentEventType

etr:Reductiontoregulatoryliabilityduetoreturnofunprotectedexcessaccumulateddeferredincometaxes
dei:LegalEntity
dei:LegalEntity
etr:RefundRelatedToReplacementEnergyCosts
dei:LegalEntity
etr:RefundToCustomersPlusInterestAssociatedWithRecalculatedBandwidthRemedy
dei:LegalEntity, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:SubsequentEventType
etr:RefundToCustomersRelatedToAReductionInTaxRate
dei:LegalEntity, us-gaap:ConsolidatedEntities
etr:RequestedRefundOfAllegedReplacementEnergyCosts
dei:LegalEntity
etr:RequestedRevenueIncreaseResultingFromSettlementAgreement
dei:LegalEntity, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:PublicUtilitiesRegulatoryProceeding
etr:Revenueincreaseresultingfromincrementalrevenue
dei:LegalEntity, us-gaap:PublicUtilitiesRegulatoryProceeding, us-gaap:SubsequentEventType

etr:StockOptionsExcludedFromDilutedCommonSharesOutstandingCalculation
dei:LegalEntity, us-gaap:SubsequentEventType
etr:Taxbenefitstocustomersresultingfromtaxadjustmentrider
dei:LegalEntity
etr:TotalInterimRateAdjustments
dei:LegalEntity, etr:NamedStorms
etr:TotalRestorationCostsForRepairAndReplacementOfElectricalSystem
dei:LegalEntity, etr:NamedStorms, us-gaap:SubsequentEventType
dei:LegalEntity, etr:NamedStorms
etr:TotalRestorationCostsForRepairAndReplacementOfElectricalSystemIncludingCarryingCosts
dei:LegalEntity, etr:NamedStorms, us-gaap:SubsequentEventType
us-gaap:SubsequentEventType
etr:Totalplannedgenerationforremainderoftheperiod

etr:ValuationAllowanceReduction
dei:LegalEntity
etr:WithdrawalFromStormReserves

us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts
us-gaap:StatementEquityComponents

us-gaap:AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease
dei:LegalEntity

us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries
dei:LegalEntity

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs
dei:LegalEntity

us-gaap:AllowanceForFundsUsedDuringConstructionInvestingActivities
dei:LegalEntity

us-gaap:AssetImpairmentCharges

us-gaap:AssetRetirementObligationAccretionExpense
dei:LegalEntity

us-gaap:AvailableForSaleSecuritiesGrossRealizedGains
dei:LegalEntity

us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses
dei:LegalEntity

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:SubsequentEventType

us-gaap:DeferredIncomeTaxesAndTaxCredits
dei:LegalEntity
dei:LegalEntity, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligationIncreaseDecreaseForSettlementAndCurtailment
dei:LegalEntity, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:RetirementPlanType
dei:LegalEntity, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:RetirementPlanType
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligationPaymentForSettlement
us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanContributionsByEmployer
dei:LegalEntity
dei:LegalEntity, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanType
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanType
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost
us-gaap:RetirementPlanType
us-gaap:RetirementPlanType, us-gaap:SubsequentEventType
us-gaap:DefinedContributionPlanEmployerMatchingContributionPercent
us-gaap:Range, us-gaap:RetirementPlanType, us-gaap:SubsequentEventType
us-gaap:DefinedContributionPlanEmployerMatchingContributionPercentOfMatch

us-gaap:DepreciationAmortizationAndAccretionNet
dei:LegalEntity
dei:LegalEntity, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation
us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation
us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet

us-gaap:DividendsCommonStockCash
dei:LegalEntity
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:DividendsPreferredStockCash
dei:LegalEntity
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:IncomeStatementLocation
us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount
us-gaap:IncomeStatementLocation
us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:EquitySecuritiesFvNiUnrealizedGain
dei:LegalEntity
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome
dei:LegalEntity, us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements
us-gaap:DerivativeInstrumentRisk
dei:LegalEntity, us-gaap:LiabilityForCatastropheClaimsByCatastrophicEvent
us-gaap:FuelCosts
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:GainLossOnDispositionOfAssets1

us-gaap:ImpairmentOfLongLivedAssetsHeldForUse

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable
dei:LegalEntity

us-gaap:IncreaseDecreaseInDeferredFuelCosts
dei:LegalEntity

us-gaap:IncreaseDecreaseInFuelInventories
dei:LegalEntity

us-gaap:IncreaseDecreaseInInterestPayableNet
dei:LegalEntity

us-gaap:IncreaseDecreaseInOtherRegulatoryAssets
dei:LegalEntity

us-gaap:IncreaseDecreaseInPensionAndPostretirementObligations
dei:LegalEntity

us-gaap:IncreaseDecreaseInReceivables
dei:LegalEntity

us-gaap:IncreaseDecreaseInRegulatoryLiabilities
dei:LegalEntity

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestPaidCapitalized
dei:LegalEntity
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:InvestmentIncomeInterestAndDividend

us-gaap:InvestmentIncomeNet
dei:LegalEntity
dei:LegalEntity
us-gaap:LineOfCreditFacilityInterestRateDuringPeriod
dei:LegalEntity, us-gaap:LineOfCreditFacility
us-gaap:DebtInstrument
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:LitigationSettlementAmountAwardedFromOtherParty
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:Range, us-gaap:LiabilityForCatastropheClaimsByCatastrophicEvent
us-gaap:LossFromCatastrophes
us-gaap:Range, us-gaap:LiabilityForCatastropheClaimsByCatastrophicEvent

us-gaap:NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable
dei:LegalEntity

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
us-gaap:FinancialInstrument

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
dei:LegalEntity

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax
dei:LegalEntity
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation
us-gaap:OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax

us-gaap:OtherDepreciationAndAmortization
dei:LegalEntity

us-gaap:OtherNoncashIncomeExpense
dei:LegalEntity

us-gaap:PaymentsForCapitalImprovements
dei:LegalEntity

us-gaap:PaymentsForNuclearFuel
dei:LegalEntity

us-gaap:PaymentsForProceedsFromOtherInvestingActivities
dei:LegalEntity
us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments
us-gaap:PaymentsForRestructuring
us-gaap:StatementBusinessSegments

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock
dei:LegalEntity
us-gaap:StatementEquityComponents

us-gaap:PaymentsToAcquireBuildings
dei:LegalEntity

us-gaap:PaymentsToAcquireRestrictedInvestments
dei:LegalEntity

us-gaap:PaymentsToInvestInDecommissioningFund
dei:LegalEntity
dei:LegalEntity
us-gaap:ProceedsFromContributionsFromParent
dei:LegalEntity, us-gaap:StatementEquityComponents

us-gaap:ProceedsFromDecommissioningFund
dei:LegalEntity
dei:LegalEntity, us-gaap:DebtInstrument
us-gaap:ProceedsFromIssuanceOfDebt
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
dei:LegalEntity

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
dei:LegalEntity
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType
us-gaap:ProceedsFromSaleOfProductiveAssets

us-gaap:ProceedsFromSaleOfRestrictedInvestments
dei:LegalEntity

us-gaap:ProceedsFromSaleOfTreasuryStock

us-gaap:ProvisionForOtherLosses
dei:LegalEntity

us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
dei:LegalEntity

us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
dei:LegalEntity
dei:LegalEntity
us-gaap:PublicUtilitiesApprovedRateIncreaseDecreaseAmount
dei:LegalEntity, us-gaap:ProductOrService, us-gaap:SubsequentEventType
dei:LegalEntity
us-gaap:PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount
dei:LegalEntity, us-gaap:ConsolidatedEntities
dei:LegalEntity
us-gaap:PublicUtilitiesRequestedRateIncreaseDecreaseAmount
dei:LegalEntity, us-gaap:ProductOrService, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:PublicUtilitiesRegulatoryProceeding
dei:LegalEntity, us-gaap:PublicUtilitiesRegulatoryProceeding, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:SubsequentEventType

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
dei:LegalEntity, us-gaap:DebtInstrument
us-gaap:RepaymentsOfDebt
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:DebtInstrument
us-gaap:RepaymentsOfNotesPayable
us-gaap:RestructuringCostAndReserve
us-gaap:RestructuringCharges
us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments
us-gaap:RestructuringCostAndReserve, us-gaap:SubsequentEventType
us-gaap:StatementBusinessSegments
etr:SharebasedCompensationPerformanceMeasure, us-gaap:AwardType, us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation
us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents
dei:LegalEntity
us-gaap:StockholdersEquityOther
dei:LegalEntity, us-gaap:StatementEquityComponents

us-gaap:TaxesOther
dei:LegalEntity

us-gaap:UnrealizedGainLossOnCashFlowHedgingInstruments

us-gaap:UtilitiesOperatingExpenseFuelUsed
dei:LegalEntity

us-gaap:UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses
dei:LegalEntity
dei:LegalEntity, us-gaap:ConsolidatedEntities
us-gaap:VariableInterestEntityOwnershipPercentage

dei:EntityCommonStockSharesOutstanding

etr:AccruedUnbilledRevenues
dei:LegalEntity

etr:Accumulateddeferredincometaxesandtaxesaccrued
dei:LegalEntity
dei:LegalEntity
etr:AdditionalUnprotectedExcessADITRelatedToUncertainDecommissioningTaxDeduction
dei:LegalEntity, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:SubsequentEventType
etr:AggregatePrincipalAmountOfSystemRestorationBondsAuthorizationRequested
dei:LegalEntity
etr:AuthorizedShortTermBorrowings

etr:AvailableForSaleSecuritiesDebtMaturitiesAfterFifteenToTwentyYearsFairValue
dei:LegalEntity

etr:AvailableForSaleSecuritiesDebtMaturitiesAfterTenToFifteenYearsFairValue
dei:LegalEntity

etr:AvailableForSaleSecuritiesDebtMaturitiesAfterTwentyYearsFairValue
dei:LegalEntity

etr:AverageCouponRateOfDebtSecuritiesPercentage
dei:LegalEntity

etr:CashPaidToTaxingAuthorities
us-gaap:DebtInstrument
etr:CommercialPaperAmountOutstanding

etr:CommercialPaperProgramLimit

etr:CommericalPaperAmountOutstanding
dei:LegalEntity
etr:CreditsToCustomerBillsResultingFromCityCouncilCaresProgram
dei:LegalEntity, us-gaap:PublicUtility, us-gaap:SubsequentEventType
etr:CurrentEstimatedCostOfGenerationAssets
dei:LegalEntity, us-gaap:PublicUtility, us-gaap:SubsequentEventType
etr:CurrentRecoverableCostOfGenerationAssets

etr:CurrentportionofregulatoryliabilityforincometaxesnetrelatedtounprotectedADIT
dei:LegalEntity

etr:DebtSecuritiesAvailableForSaleMaturityAllocatedAndSingleMaturityDateWithinOneYearNegativeFairValue
dei:LegalEntity
dei:LegalEntity
etr:DecommissioningLiabilityInCOGS
dei:LegalEntity
etr:DeferredFuelCostNetAsset
dei:LegalEntity
etr:DeferredFuelCostNetLiability

etr:DeferredFuelCostNonCurrent
dei:LegalEntity

etr:DeferredFuelCostsCurrentLiabilities
dei:LegalEntity

etr:DeferredNuclearRefuelingOutageCosts
dei:LegalEntity
dei:LegalEntity
etr:DeferredTaxAssetsCapitalLossesandMiscellaneousTaxCredits

etr:DeferredTaxAssetsCompensation
dei:LegalEntity

etr:DeferredTaxAssetsPowerPurchaseArrangements
dei:LegalEntity

etr:DeferredTaxLiabilitiesCombinedUnitaryStateTaxes
dei:LegalEntity
etr:DeferredTaxLiabilitiesDeferredFuel

etr:DeferredTaxLiabilitiesNuclearDecommissioningTrusts
dei:LegalEntity

etr:DeferredTaxLiabilityDeferredFuel
dei:LegalEntity
etr:DeferredTaxLiabilityDueToDecommissioningLiabilityInCOGS
dei:LegalEntity
etr:DeferredTaxLiabilityDueToDecommissioningLiabilityInCostOfGoodsSold

etr:DeferredTaxLiabilityTaxDeferredExpenseCompensationandBenefitsPensions
dei:LegalEntity
dei:LegalEntity
etr:DeferredtaxLiabilityAccruedTaxExpenseCompensationandBenefitsPensions

etr:DeferredtaxassetNuclearDecommissioningLiabilities
dei:LegalEntity
us-gaap:RetirementPlanType
etr:DefinedBenefitPlanBenefitObligationCurrent
us-gaap:RetirementPlanType
etr:DefinedBenefitPlanBenefitObligationNonCurrent
us-gaap:RetirementPlanType
etr:DefinedBenefitPlanFairValueOfPlanAssetsCash
us-gaap:RetirementPlanType
etr:DefinedBenefitPlanFairValueOfPlanAssetsOtherPendingTransactions
us-gaap:RetirementPlanType
etr:DefinedBenefitPlanFairValueOfPlanAssetsOtherPostretirementAssetsIncludedInQualifiedPensionInvestments
us-gaap:RetirementPlanType
etr:DefinedBenefitPlanFairValueOfPlanAssetsOtherPostretirementAssetsIncludedInTotalInvestments
dei:LegalEntity, us-gaap:RetirementPlanType
etr:DefinedBenefitPlanRegulatoryAssetBeforeTax
dei:LegalEntity, us-gaap:RetirementPlanType
etr:DefinedBenefitPlanRegulatoryAssetGainLossbeforeTax
us-gaap:RetirementPlanType
dei:LegalEntity, us-gaap:RetirementPlanType
etr:DefinedBenefitPlanRegulatoryAssetNetPriorServiceCostCreditBeforeTax
us-gaap:RetirementPlanType
dei:LegalEntity, us-gaap:RetirementPlanType
etr:DefinedBenefitPlanRegulatoryLiabilityBeforeTax
us-gaap:RetirementPlanType
dei:LegalEntity
etr:DifferenceBetweenRateCasePensionAmountsAndActuariallyDeterminedPensionAmounts

etr:EffectOfSignificantUnobservableInputsOnFairValueOfElectricitySwaps

etr:EquityDistributionSalesAgreementMaximumAggregateGrossSalesPrice
dei:LegalEntity
etr:EscrowAccounts

etr:EstimatedPaymentsUnderPurchasedPowerAgreement
dei:LegalEntity
etr:EstimatedPaymentsUnderPurchasedPowerAgreementinNextTwelveMonths
dei:LegalEntity
etr:EstimatedPaymentsUnderPurchasedPowerAgreementinYearTwoandThereafter
us-gaap:DerivativeInstrumentRisk
etr:FairValueOfElectricityOptions
dei:LegalEntity
etr:FederalAndStateTaxesPayableDueToDecommissioningLiabilityInCOGS
dei:LegalEntity
etr:FederalAndStateTaxesPayableDueToDecommissioningLiabilityInCostOfGoodsSold

etr:FuelInventoryAtAverageCost
dei:LegalEntity
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType
etr:InsuranceCoverageForPublicLiability
dei:LegalEntity
etr:InterestPortionOfLPSCRequestedRateReductionForADITAssociatedWithUncertainTaxPositionsResultingFromGrandGulfSaleLeaseback
dei:LegalEntity
etr:InterestPortionOfRateReductionForADITAssociatedWithUncertainTaxPositionsResultingFromGrandGulfSaleLeaseback
dei:LegalEntity, us-gaap:JointlyOwnedUtilityPlant
etr:JointlyOwnedUtilityPlantCapability
us-gaap:JointlyOwnedUtilityPlant, us-gaap:StatementBusinessSegments
dei:LegalEntity, us-gaap:CreditFacility
etr:LetterofCreditFeePercentage

etr:LettersOfCredit
dei:LegalEntity, us-gaap:CreditFacility
us-gaap:StatementBusinessSegments
dei:LegalEntity
etr:LettersofCreditHeld
us-gaap:DerivativeInstrumentRisk
us-gaap:StatementBusinessSegments
dei:LegalEntity
etr:Lettersofcreditpostedtocoverderivativeexposure

etr:LongTermDebtBookValue
dei:LegalEntity
dei:LegalEntity
etr:Longtermdebtexcludingcurrentmaturitiesincludinglongtermpayabledueassociatedcompany

etr:MaximumRetrospectiveInsurancePremiumObligationPerReactorPerIncident

etr:Maximumretrospectiveinsurancepremiumobligationperincident

etr:NaturalGas
dei:LegalEntity
dei:LegalEntity
etr:NetRegulatoryLiabilitiesforIncomeTaxes
dei:LegalEntity
etr:NonMISOLetterOfCreditOutstanding
dei:LegalEntity, us-gaap:CreditFacility
dei:LegalEntity, us-gaap:CreditFacility
etr:NonMISOLettersOfCredit

etr:Noncurrentaccruedtaxesincludingunrecognizedtaxbenefits
dei:LegalEntity, us-gaap:IncomeTaxAuthority
etr:OperatingLossCarryforwardsPreJanuary12018
us-gaap:IncomeTaxAuthority

etr:OtherRegulatoryAssets

etr:PresentValueNetMinimumFinancingLeasePayments
dei:LegalEntity

etr:PresentValueNetMinimumOperatingLeasePayments
dei:LegalEntity
dei:LegalEntity
etr:ProjectedOverRecoveryEnergyCostRecoveryRider
us-gaap:ProductOrService, us-gaap:PropertyPlantAndEquipmentByType, us-gaap:StatementBusinessSegments
etr:PropertyInsuranceInsuredAmountPerOccurrence
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
dei:LegalEntity
etr:ProposedCreditOfExcessAccumulatedDeferredIncomeTaxesResultingFromDecommissioningUncertainTaxPosition
dei:LegalEntity, us-gaap:SubsequentEventType
dei:LegalEntity
etr:ProtectedExcessAccumulatedDeferredIncomeTaxes
dei:LegalEntity
etr:ProvisionForRateRefund
dei:LegalEntity
etr:ProvisionRelatedToFERCProceeding
dei:LegalEntity, us-gaap:PublicUtilitiesRegulatoryProceeding
etr:ProvisionforRateRefund

etr:PublicUtilitiesPropertyPlantAndEquipmentNuclearFuelLeasedAndOwned
dei:LegalEntity
us-gaap:StatementBusinessSegments

etr:PublicUtilitiesPropertyPlantAndEquipmentOther
dei:LegalEntity
us-gaap:StatementBusinessSegments

etr:RangeFromAveragePercentageForFairValueOfElectricitySwaps

etr:RateOfMaximumRetrospectivePremiumPerYearPerNuclearPowerReactor

etr:ReductionInUnrecognizedTaxBenefitsDueToDecommissioningLiabilityInCOGS
dei:LegalEntity

etr:ReductiontoRegulatoryLiabilityduetoreturnofunprotectedexcessADIT
dei:LegalEntity

etr:RegulatoryAssetRelatedToBadDebtExpensesAssociatedWithCOVID19Pandemic
dei:LegalEntity
dei:LegalEntity
etr:RegulatoryAssetRelatedToCostsAssociatedWithCOVID19Pandemic

etr:RegulatoryAssetRelatedToIncrementalBadDebtExpenseResultingFromCOVID19
dei:LegalEntity
dei:LegalEntity
etr:RegulatoryAssetToReflectTermsOfJointStipulation

etr:RegulatoryLiabilityForIncomeTaxesCurrentandNonCurrent
dei:LegalEntity

etr:RegulatoryLiabilityForIncomeTaxesNet
dei:LegalEntity

etr:RemainingBalancesOfUnrecognizedTaxBenefits
dei:LegalEntity
etr:ShortTermBorrowing
dei:LegalEntity
etr:StormReserveEscrowAccount
dei:LegalEntity, us-gaap:SubsequentEventType
dei:LegalEntity
etr:TemporaryCashInvestmentsFairValue
dei:LegalEntity, us-gaap:FairValueByFairValueHierarchyLevel
dei:LegalEntity, us-gaap:CreditFacility
etr:UncommittedCreditFacilityMaximumBorrowingCapacity
dei:LegalEntity
etr:UnprotectedExcessAccumulatedDeferredIncomeTaxes

etr:UnrecognizedTaxBenefitsNetOfUnusedTaxAttributesAndPayments
dei:LegalEntity
dei:LegalEntity, us-gaap:DerivativeInstrumentRisk
etr:VolumeOfNaturalGasSwapsOutstanding
us-gaap:DerivativeInstrumentRisk
dei:LegalEntity, us-gaap:DerivativeInstrumentRisk
etr:VolumeofFinancialTransmissionRightsOutstanding
us-gaap:DerivativeInstrumentRisk
dei:LegalEntity
us-gaap:AccountsPayableRelatedPartiesCurrent

us-gaap:AccountsReceivableGrossCurrent
dei:LegalEntity
dei:LegalEntity
us-gaap:AccountsReceivableRelatedPartiesCurrent
dei:LegalEntity
us-gaap:AccruedIncomeTaxesNoncurrent

us-gaap:AccumulatedDeferredInvestmentTaxCredit
dei:LegalEntity

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
dei:LegalEntity

us-gaap:AllowanceForDoubtfulOtherReceivablesCurrent
dei:LegalEntity

us-gaap:AssetRetirementObligation
dei:LegalEntity
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AssetRetirementObligationsNoncurrent
dei:LegalEntity

us-gaap:AssetsFairValueDisclosure
dei:LegalEntity
dei:LegalEntity, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
dei:LegalEntity
dei:LegalEntity, us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument
dei:LegalEntity, us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument
dei:LegalEntity, us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument
dei:LegalEntity, us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
us-gaap:FinancialInstrument
dei:LegalEntity, us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument
dei:LegalEntity, us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
us-gaap:FinancialInstrument
dei:LegalEntity, us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
dei:LegalEntity

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
dei:LegalEntity

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
dei:LegalEntity

us-gaap:AvailableForSaleSecuritiesDebtSecurities
dei:LegalEntity

us-gaap:CashEquivalentsAtCarryingValue
dei:LegalEntity
dei:LegalEntity, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DerivativeInstrumentRisk
us-gaap:CollateralAlreadyPostedAggregateFairValue
us-gaap:StatementBusinessSegments

us-gaap:ConstructionPayableCurrentAndNoncurrent
dei:LegalEntity

us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet
dei:LegalEntity

us-gaap:DebtSecurities
dei:LegalEntity
dei:LegalEntity, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition
dei:LegalEntity

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
dei:LegalEntity
us-gaap:DebtInstrument
us-gaap:DebtWeightedAverageInterestRate

us-gaap:DecommissioningFundInvestments
dei:LegalEntity
dei:LegalEntity
us-gaap:DecommissioningTrustAssetsAmount
dei:LegalEntity, us-gaap:PropertyPlantAndEquipmentByType

us-gaap:DeferredCostsAndOtherAssets
dei:LegalEntity

us-gaap:DeferredCreditsAndOtherLiabilities
dei:LegalEntity

us-gaap:DeferredFuelCost
dei:LegalEntity

us-gaap:DeferredIncomeTaxAssetsNet
dei:LegalEntity, etr:NamedStorms
us-gaap:DeferredStormAndPropertyReserveDeficiencyNoncurrent
dei:LegalEntity, etr:NamedStorms, us-gaap:SubsequentEventType
etr:NamedStorms

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards
us-gaap:IncomeTaxAuthority
us-gaap:DeferredTaxAssetsCharitableContributionCarryforwards

us-gaap:DeferredTaxAssetsDeferredGainOnSaleLeasebackTransaction
dei:LegalEntity
dei:LegalEntity
us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards
dei:LegalEntity

us-gaap:DeferredTaxAssetsOther
dei:LegalEntity

us-gaap:DeferredTaxAssetsRegulatoryAssetsAndLiabilities
dei:LegalEntity

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards
dei:LegalEntity

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions
dei:LegalEntity

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsContingencies
dei:LegalEntity

us-gaap:DeferredTaxLiabilitiesDeferredExpense
dei:LegalEntity
dei:LegalEntity
us-gaap:DeferredTaxLiabilitiesDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxLiabilitiesOther
dei:LegalEntity
dei:LegalEntity
us-gaap:DeferredTaxLiabilitiesPrepaidExpenses

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
dei:LegalEntity

us-gaap:DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilities
dei:LegalEntity
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
us-gaap:RetirementPlanType
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
us-gaap:RetirementPlanType
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
us-gaap:RetirementPlanType
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax
us-gaap:RetirementPlanType
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:RetirementPlanType
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
us-gaap:RetirementPlanType
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
us-gaap:RetirementPlanType
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
us-gaap:RetirementPlanType
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
us-gaap:RetirementPlanType
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
us-gaap:RetirementPlanType
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:RetirementPlanType
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear
us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsRemainderOfFiscalYear
dei:LegalEntity
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:RetirementPlanType
etr:DefinedBenefitPlanByRetireeCategories, etr:DefinedBenefitPlansObligationsAndCosts
us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear
etr:DefinedBenefitPlansDisclosuresDefinedBenefitPlanAssetsInvestmentType, us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryAmount
etr:DefinedBenefitPlansDisclosuresDefinedBenefitPlanAssetsInvestmentType, us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
etr:DefinedBenefitPlansDisclosuresDefinedBenefitPlanAssetsInvestmentType, us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
etr:DefinedBenefitPlansDisclosuresDefinedBenefitPlanAssetsInvestmentType, us-gaap:Range, us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
us-gaap:Range, us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
etr:DefinedBenefitPlansObligationsAndCosts
us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1
etr:DefinedBenefitPlansDisclosuresDefinedBenefitPlanAssetsInvestmentType, us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
dei:LegalEntity, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeAssets
dei:LegalEntity, us-gaap:FairValueByAssetClass
dei:LegalEntity, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments
us-gaap:FairValueByAssetClass
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel
dei:LegalEntity, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeCollateralObligationToReturnCash
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments
us-gaap:DerivativeCollateralRightToReclaimCash
dei:LegalEntity, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments
dei:LegalEntity, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments
dei:LegalEntity, us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeLiabilities
dei:LegalEntity, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass
dei:LegalEntity, us-gaap:FairValueByLiabilityClass
us-gaap:BalanceSheetLocation, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:StatementBusinessSegments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass
us-gaap:FairValueByLiabilityClass
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
dei:LegalEntity
us-gaap:EquityMethodInvestments

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
dei:LegalEntity
dei:LegalEntity, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk

us-gaap:FinanceLeaseLiabilityCurrent
dei:LegalEntity

us-gaap:FinanceLeaseLiabilityNoncurrent
dei:LegalEntity

us-gaap:FinanceLeaseLiabilityPaymentsDue
dei:LegalEntity

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive
dei:LegalEntity

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths
dei:LegalEntity

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive
dei:LegalEntity

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour
dei:LegalEntity

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree
dei:LegalEntity

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo
dei:LegalEntity

us-gaap:FinanceLeaseRightOfUseAsset
dei:LegalEntity
us-gaap:StatementBusinessSegments
us-gaap:HedgingLiabilitiesCurrent

us-gaap:InterestPayableCurrent
dei:LegalEntity
dei:LegalEntity, us-gaap:JointlyOwnedUtilityPlant
us-gaap:JointlyOwnedUtilityPlantNetOwnershipAmount
us-gaap:JointlyOwnedUtilityPlant, us-gaap:StatementBusinessSegments
dei:LegalEntity, us-gaap:JointlyOwnedUtilityPlant
us-gaap:JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation
us-gaap:JointlyOwnedUtilityPlant, us-gaap:StatementBusinessSegments
dei:LegalEntity, us-gaap:JointlyOwnedUtilityPlant
us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare
us-gaap:JointlyOwnedUtilityPlant, us-gaap:StatementBusinessSegments

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
dei:LegalEntity
dei:LegalEntity
us-gaap:LettersOfCreditOutstandingAmount
dei:LegalEntity, us-gaap:CreditFacility
dei:LegalEntity, us-gaap:DerivativeInstrumentRisk
dei:LegalEntity, us-gaap:LineOfCreditFacility
us-gaap:DerivativeInstrumentRisk

us-gaap:LineOfCredit
dei:LegalEntity
dei:LegalEntity
us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
dei:LegalEntity
dei:LegalEntity, us-gaap:DebtInstrument
dei:LegalEntity, us-gaap:LineOfCreditFacility
dei:LegalEntity, us-gaap:LineOfCreditFacility, us-gaap:SubsequentEventType

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:LongTermDebtFairValue
dei:LegalEntity
dei:LegalEntity, us-gaap:SaleLeasebackTransactionDescription
dei:LegalEntity, us-gaap:SaleLeasebackTransactionDescription
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
dei:LegalEntity
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:LiabilityForCatastropheClaimsByCatastrophicEvent, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:LongtermDebtType
dei:LegalEntity, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
dei:LegalEntity
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
dei:LegalEntity
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
dei:LegalEntity
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:LiabilityForCatastropheClaimsByCatastrophicEvent, us-gaap:SubsequentEventType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
dei:LegalEntity
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:LiabilityForCatastropheClaimsByCatastrophicEvent, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:DebtInstrument
us-gaap:LongTermNotesPayable
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:DebtInstrument

us-gaap:LongTermTransitionBond
dei:LegalEntity
us-gaap:LongtermDebtType
us-gaap:LongtermDebtWeightedAverageInterestRate
dei:LegalEntity
us-gaap:LongtermTransitionBondCurrentAndNoncurrent

us-gaap:LossContingencyAccrualAtCarryingValue
dei:LegalEntity
dei:LegalEntity, us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyEstimateOfPossibleLoss
dei:LegalEntity
us-gaap:MembersEquity
dei:LegalEntity
us-gaap:NotesPayableRelatedPartiesClassifiedCurrent
dei:LegalEntity
us-gaap:NotesPayableRelatedPartiesNoncurrent

us-gaap:NuclearFuelNetOfAmortization
dei:LegalEntity
dei:LegalEntity, us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards
us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwardsValuationAllowance

us-gaap:OtherLongTermDebt
dei:LegalEntity

us-gaap:OtherLongTermInvestments
dei:LegalEntity

us-gaap:OtherReceivables
dei:LegalEntity

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:PreferredStockLiquidationPreference
dei:LegalEntity
us-gaap:PreferredUnitsAuthorized
dei:LegalEntity, us-gaap:DebtInstrument
dei:LegalEntity, us-gaap:StatementClassOfStock
us-gaap:StatementBusinessSegments
dei:LegalEntity, us-gaap:DebtInstrument
us-gaap:PreferredUnitsOutstanding
dei:LegalEntity, us-gaap:StatementClassOfStock
us-gaap:StatementBusinessSegments

us-gaap:PrescriptionDrugSubsidyReceiptsAfterYearFive
dei:LegalEntity

us-gaap:PrescriptionDrugSubsidyReceiptsNextTwelveMonths
dei:LegalEntity

us-gaap:PrescriptionDrugSubsidyReceiptsYearFive1
dei:LegalEntity

us-gaap:PrescriptionDrugSubsidyReceiptsYearFour1
dei:LegalEntity

us-gaap:PrescriptionDrugSubsidyReceiptsYearThree1
dei:LegalEntity

us-gaap:PrescriptionDrugSubsidyReceiptsYearTwo1
dei:LegalEntity

us-gaap:PublicUtilitiesInventory
dei:LegalEntity

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation
dei:LegalEntity

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress
dei:LegalEntity
dei:LegalEntity, us-gaap:LiabilityForCatastropheClaimsByCatastrophicEvent
us-gaap:LiabilityForCatastropheClaimsByCatastrophicEvent
us-gaap:StatementBusinessSegments

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentDistribution
dei:LegalEntity
us-gaap:StatementBusinessSegments
dei:LegalEntity, us-gaap:PublicUtility
us-gaap:PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing
us-gaap:PublicUtility
us-gaap:PublicUtility, us-gaap:StatementBusinessSegments

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentNet
dei:LegalEntity
us-gaap:StatementBusinessSegments

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment
dei:LegalEntity

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentPlantInService
dei:LegalEntity

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentTransmission
dei:LegalEntity
us-gaap:StatementBusinessSegments
dei:LegalEntity, us-gaap:Range
us-gaap:RatioOfIndebtednessToNetCapital1
us-gaap:Range
dei:LegalEntity
us-gaap:RegulatoryAssets
dei:LegalEntity, us-gaap:LiabilityForCatastropheClaimsByCatastrophicEvent
us-gaap:LiabilityForCatastropheClaimsByCatastrophicEvent

us-gaap:RegulatoryAssetsNoncurrent
dei:LegalEntity
dei:LegalEntity, us-gaap:RegulatoryAsset
us-gaap:RegulatoryAsset
dei:LegalEntity, us-gaap:SaleLeasebackTransactionDescription
us-gaap:RegulatoryLiabilities

us-gaap:RegulatoryLiabilityNoncurrent
dei:LegalEntity
dei:LegalEntity, us-gaap:RegulatoryLiability
us-gaap:RegulatoryLiability

us-gaap:ReplacementReserveEscrow
dei:LegalEntity
dei:LegalEntity, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue
dei:LegalEntity
dei:LegalEntity, us-gaap:FairValueByAssetClass
dei:LegalEntity, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel
dei:LegalEntity, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel
dei:LegalEntity
us-gaap:RestrictedInvestmentsCurrent
us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments
us-gaap:RestructuringReserve
us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType
us-gaap:StatementBusinessSegments

us-gaap:SecuritizedRegulatoryTransitionAssetsNoncurrent
dei:LegalEntity
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
etr:RangeOfExercisePrices, us-gaap:AwardType
us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1
us-gaap:AwardType
etr:RangeOfExercisePrices, us-gaap:AwardType
us-gaap:SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1
us-gaap:AwardType

us-gaap:SharesIssuedPricePerShare

us-gaap:ShortTermBorrowings
dei:LegalEntity, us-gaap:IncomeTaxAuthority
us-gaap:TaxCreditCarryforwardAmount
us-gaap:IncomeTaxAuthority

us-gaap:TemporaryEquityCarryingAmountAttributableToParent
dei:LegalEntity
dei:LegalEntity, us-gaap:DebtInstrument
dei:LegalEntity, us-gaap:StatementClassOfStock
us-gaap:StatementBusinessSegments

us-gaap:TradingSecuritiesDebt

us-gaap:UnamortizedDebtIssuanceExpense
dei:LegalEntity

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
dei:LegalEntity

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
dei:LegalEntity
dei:LegalEntity, us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance
us-gaap:ValuationAllowancesAndReservesType

Plots across concepts


IncomeStatement
Income Loss From Continuing Operations 
Before Income Taxes Extraordinary Items Noncontrolling Interest
Expenses
Other Nonoperating Income Expense
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Deferred Income Tax Assets Net
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Liabilities Current
Current Liabilities
Other Liabilities Current
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
Per Share
Earnings Per Share Diluted
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Profit Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Diluted Shares Outstanding
NonoperatingIncomeExpense
Other Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
us-gaap:CommonStockValue █████████▄▄▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁2.7032.72.72.72.72.72.72.72.72.6162.6162.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.548NA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█200.775395201.059665NA201.115768200.886749200.901349NA200.492935194.238315192.234191NA183.7182.98263181.431968NA180.5180.234694179.842053NA179.990888179.503582178.97638179.151832180.119837180.480523180.527116180.045432179.055967178.65221178.614383178.413287NA177.975075177.565351177.388045NA177.72302178.92518180083.83NA187.777172
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁200.775395200.525549NA200.220018200.17801199.790016NA198.932387193.019269189.575187NA181.0180.8180.707575NA179.6179.5179.335063NA179.023351178.808149178.578536179.151832179.521276179.658981179.610067179.354103178.797829178.283721178.196525178.027961NA177.517846177.166519176.865363NA176.950469177.80889178834.342NA185.962431
us-gaap:EarningsPerShareBasic ▆▇▇█▇▆▇▇▇▇▆█▇▇▅▇▇▆▁▇█▇▄▇▇▇▇▇▇▇▇▇▇▇▆▇█▇▇▇█-0.031.671.952.61.80.591.961.841.221.34-0.372.961.360.73-2.672.222.280.46-9.892.173.171.29-4.040.831.661.281.062.241.350.920.911.671.92.06-0.860.883.551.771.391.272.65
us-gaap:EarningsPerShareDiluted ▆▇▇█▇▆▇▇▇▇▆█▇▇▅▇▇▆▁▇█▇▄▇▇▇▇▇▇▇▇▇▇▇▆▇█▇▇▇█-0.031.661.932.591.790.591.941.821.221.32-0.362.921.340.73-2.662.212.270.46-9.862.163.161.28-4.040.831.651.271.052.241.340.920.91.671.892.06-0.860.883.531.761.381.262.62
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
 Cost Ratio dei:LegalEntity etr:EntergyArkansas▄▅▂▇▂▂▂█▄▄▁▅▂▄550.274583.386466.426644.389491.767481.912483.327687.526542.929545.812446.615568.399494.605551.024NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio dei:LegalEntity etr:EntergyLouisiana█▄▂▅▃▁▂▇▄▂▂▆▄▃▃█1267.5981107.6441007.5411120.0221011.652930.647987.8511231.6771106.317959.33987.5761206.6121072.7881029.3441045.8391290.494NANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio dei:LegalEntity etr:EntergyMississippi▅▄▂▅▂▂▄█▂▁▂▆▅▃349.04336.619299.482356.496297.954293.922339.33398.732302.737282.244297.946367.734353.689315.743NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio dei:LegalEntity etr:EntergyNewOrleans▅▄▂▆▁▁▂▇▅▃▁█▅▆▄█178.74169.335155.132182.064147.343149.302153.032194.204175.793163.194150.487200.182178.446188.275171.842199.017NANANANANANANANANANANANANANANANANANANANANANANANANA
 Cost Ratio dei:LegalEntity etr:EntergyTexas▅▇▃█▂▁▁▆▂▁▃▇▄▁430.434480.22380.673494.922372.194339.336342.024442.877363.58340.474376.245477.231403.486348.94NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin dei:LegalEntity etr:EntergyArkansas▄▅▂▇▂▂▂█▄▄▁▅▂▄550.274583.386466.426644.389491.767481.912483.327687.526542.929545.812446.615568.399494.605551.024NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin dei:LegalEntity etr:EntergyLouisiana█▄▂▅▃▁▂▇▄▂▂▆▄▃▃█1267.5981107.6441007.5411120.0221011.652930.647987.8511231.6771106.317959.33987.5761206.6121072.7881029.3441045.8391290.494NANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin dei:LegalEntity etr:EntergyMississippi▅▄▂▅▂▂▄█▂▁▂▆▅▃349.04336.619299.482356.496297.954293.922339.33398.732302.737282.244297.946367.734353.689315.743NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin dei:LegalEntity etr:EntergyNewOrleans▅▄▂▆▁▁▂▇▅▃▁█▅▆▄█178.74169.335155.132182.064147.343149.302153.032194.204175.793163.194150.487200.182178.446188.275171.842199.017NANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin dei:LegalEntity etr:EntergyTexas▅▇▃█▂▁▁▆▂▁▃▇▄▁430.434480.22380.673494.922372.194339.336342.024442.877363.58340.474376.245477.231403.486348.94NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin dei:LegalEntity etr:EntergyArkansas▄▅▂▇▂▂▂█▄▄▁▅▂▄550.274583.386466.426644.389491.767481.912483.327687.526542.929545.812446.615568.399494.605551.024NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin dei:LegalEntity etr:EntergyLouisiana█▅▃▅▃▂▃▇▅▂▃▇▄▄▄█▄▁1267.5981107.6441007.5411120.0221011.652930.647987.8511231.6771106.317959.33987.5761206.6121072.7881029.3441045.8391290.4941083.434880.783NANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin dei:LegalEntity etr:EntergyMississippi▅▄▂▅▂▂▄█▂▁▂▆▅▃349.04336.619299.482356.496297.954293.922339.33398.732302.737282.244297.946367.734353.689315.743NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin dei:LegalEntity etr:EntergyNewOrleans▅▄▂▆▁▁▂▇▅▃▁█▅▆▄█▅▄178.74169.335155.132182.064147.343149.302153.032194.204175.793163.194150.487200.182178.446188.275171.842199.017176.222168.989NANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin dei:LegalEntity etr:EntergyTexas▅▇▃█▂▁▁▆▂▁▃▇▄▁430.434480.22380.673494.922372.194339.336342.024442.877363.58340.474376.245477.231403.486348.94NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin us-gaap:StatementBusinessSegments etr:EntergyWholesaleCommodities▁▂▁▂▁▃▂▂▂▄▃▃▂▃▃▄▃▅▄▄▃▄▄▄▆▅▅█▅▅▅▅▅▅▅▅▆▅▅▅▆148.656248.219196.24214.371199.709332.549270.962300.363289.783433.612361.299380.08308.602418.924362.863423.245317.255553.367508.104475.345344.11522.079521.746439.306642.59605.74577.891912.122623.321533.523613.733571.535626.849567.674560.251594.334641.216568.076610.146611.763671.927
 Net profit Margin us-gaap:StatementBusinessSegments etr:Utility▇▆▃▇▄▃▃█▅▃▃▇▅▄▄█▄▂▃▇▃▃█▄▄█▅▄▇▄▂▁▅▂▁▁▇▄▂▂▇2673.3852596.6162173.8382689.1862213.0612094.6292191.3442840.2222376.4372175.9822151.1932724.2792360.2082304.992261.0012820.4212301.3322035.1122140.4422649.3922118.4782087.7932849.6812273.9452277.512852.0882409.3962304.7042732.4822212.3362003.4411868.992344.8851959.5761831.641902.1032760.6312241.4751937.6181924.6682666.727
 Net profit Margin us-gaap:StatementBusinessSegments us-gaap:IntersegmentEliminationNANANA-0.014NA-0.01-0.01-0.019-0.013-0.01-0.01-0.04-0.04-0.033-0.019-0.038-0.037-0.021-0.019-0.034-0.026-0.02-0.021-0.02-0.010.0078.637-8.744-4.631-8.638-9.3-5.287-9.234-9.658-9.191-8.409-7.31-7.31-7.657-5.772-7.449
 Operating Margin dei:LegalEntity etr:EntergyArkansas▄▅▂▇▂▂▂█▄▄▁▅▂▄550.274583.386466.426644.389491.767481.912483.327687.526542.929545.812446.615568.399494.605551.024NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin dei:LegalEntity etr:EntergyLouisiana█▅▃▅▃▂▃▇▅▂▃▇▄▄▄█▄▁1267.5981107.6441007.5411120.0221011.652930.647987.8511231.6771106.317959.33987.5761206.6121072.7881029.3441045.8391290.4941083.434880.783NANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin dei:LegalEntity etr:EntergyMississippi▅▄▂▅▂▂▄█▂▁▂▆▅▃349.04336.619299.482356.496297.954293.922339.33398.732302.737282.244297.946367.734353.689315.743NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin dei:LegalEntity etr:EntergyNewOrleans▅▄▂▆▁▁▂▇▅▃▁█▅▆▄█▅▄178.74169.335155.132182.064147.343149.302153.032194.204175.793163.194150.487200.182178.446188.275171.842199.017176.222168.989NANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin dei:LegalEntity etr:EntergyTexas▅▇▃█▂▁▁▆▂▁▃▇▄▁430.434480.22380.673494.922372.194339.336342.024442.877363.58340.474376.245477.231403.486348.94NANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
 TTM Greenblatt ROC _ _▇▇▇█▇▇▇▇▇▇▆▇▇▇▇█▇▇▁█▇▇▄▇█▇▇█▇▇▇▇█▇▆▇██▇▇█168.208507.997152.112778.016439.311399.756248.539519.929338.775283.254-228.931271.03591.597335.664211.901729.469143.509174.803-2599.001772.06442.258498.218-965.016377.383542.769492.859454.477739.877388.894346.512394.045324.202690.852342.984-56.857342.696600.909558.738510.891393.78770.642
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation etr:OtherEquityAwards▁█9.710.8NA8.99.69.4NA8.48.48.8NA8.58.78.8NA7.68.28.2NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation us-gaap:EmployeeStockOption▄▄1.01.0NA1.01.01.0NA0.91.01.0NA1.11.11.1NA1.11.11.1NA1.11.11.1NANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▆▇▇█▇▇▇▇▇▇▆█▇▇▅██▇▁██▇▄▇▇▇▇█▇▇▇▇▇▇▇▇█▇▇15.794283.265329.181519.303370.916166.647357.877375.872357.172267.3649.054517.895193.277211.906-614.323457.103451.735128.536-1842.174435.461528.367250.807-794.009161.764280.62219.353225.653425.296270.623193.078150.825139.978275.892255.73750.436124.024564.873307.603219.698NANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▆▇▇█▇▇▇▇▇▇▆█▇▇▅██▇▁██▇▄▇▇▇▇█▇▇▇▇▇▇▆▇█▇▇▇█20.374287.845333.761523.883375.496171.227362.457380.091361.281271.47312.631521.334196.716215.345-610.92460.549455.181131.982-1838.645440.495533.643256.083-789.215166.643285.499224.232230.551430.175274.955197.41156.407145.56281.474261.31955.379129.911569.888312.618224.713122.528601.532
 us-gaap:CostOfGoodsAndServicesSold dei:LegalEntity,us-gaap:ProductOrService etr:EntergyArkansas,us-gaap:ElectricityPurchased▆█▂▅▂▃▃▆▃▃▅▅▇█▁▆61.44870.22141.87957.59942.17146.04148.22361.07448.28547.05857.36658.21364.83971.97237.54463.423NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold dei:LegalEntity,us-gaap:ProductOrService etr:EntergyLouisiana,us-gaap:ElectricityPurchased▄▅▁▃▂▃▁▅▆▇▆▅█▇▄█186.596209.961121.882160.069153.786160.743132.312197.83223.014257.306223.823218.063266.614251.772184.245273.325NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold dei:LegalEntity,us-gaap:ProductOrService etr:EntergyMississippi,us-gaap:ElectricityPurchased▃▃▂▃▂▁▂▄▄▄▄█▇▆▆▆63.89268.59162.85368.29656.67952.64361.03178.28673.7271.45575.178104.78797.15487.45692.05490.086NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold dei:LegalEntity,us-gaap:ProductOrService etr:EntergyNewOrleans,us-gaap:ElectricityPurchased▁▄▃▄▂▁▃▄▄▂▁▂▆█▂▇57.17768.6762.25266.86857.98556.46762.58568.09166.98160.64955.86157.82873.78983.15661.57779.137NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold dei:LegalEntity,us-gaap:ProductOrService etr:EntergyTexas,us-gaap:ElectricityPurchased▂▄▂▄▂▁▄▅█▄▅▆▅▆▃▇128.699141.362127.287139.204124.351119.791138.597151.965171.133140.868150.079153.673150.568159.692136.038163.532NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService us-gaap:ElectricityPurchased▃▆▂▃▂▂▁▅▅▅▇█▇▇▃▇252.371379.734210.769264.924211.961216.614191.153316.339345.861339.507406.362439.38417.034396.023245.546408.14NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostsAndExpenses ▇▄▃▂▁▁▃▆▄▄▇█▆▄▄▅2653.8622336.8412217.9912125.5521973.4772027.4232213.7662620.6462327.4342326.332741.4142833.2842577.1732388.2172370.5032484.625NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▄▆▅█▇▅▅▆▆▆▁▆▄▅▅█-19.81405.087103.676675.143454.22852.1146.35398.66241.991301.417-579.211256.812-31.736179.863154.414643.439NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity etr:EntergyArkansas▅▆▃█▆▅▄▇▅▄▁▄▄▅▃▇71.59112.467-8.654184.07779.67437.9124.788156.84238.14216.423-108.46617.6240.7645.722-6.436151.75NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity etr:EntergyLouisiana▄▅▁▇▅▃▃█▅▃▃▅▂▃▅▇170.098204.39881.693272.753206.369139.213137.283310.224221.489144.164137.173221.252129.236133.341202.745280.382NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity etr:EntergyMississippi█▆▅█▇▆▆█▆▅▅▆▁▆▆█65.79333.39716.80576.27550.28124.41225.37572.88733.6918.83912.20234.577-76.26129.78734.57674.882NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity etr:EntergyNewOrleans▃▂▃▇▂▄▂▇▅▄▁▆▇▅▄█6.4362.687.9225.5543.2118.4460.53925.82814.37112.077-3.78517.84623.14413.5118.12629.246NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity etr:EntergyTexas▅▅▄█▅▃▂▅▃▂▁▇▄▃▂▅48.90155.04836.702103.4749.44428.49915.3859.7227.143.261-8.53182.7539.47522.29815.22561.761NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity etr:SystemEnergy█▄▃█▇▇▇▆▅▆▂▁▄▆▇█39.29913.2939.38139.86436.48733.94231.75530.25722.74529.7120.709-2.77218.53929.95836.49236.945NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges▃▅▃▄▄█▄▄▃▆▁▂▃▁0.26439.31913.27214.67625.03894.37520.37118.8775.54151.567-30.203-10.6292.642-30.204NANANANANANANANANANANANA-0.771194.305NA3.91-2.522NANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▅▆▄▆▆▅▄▅▅▅▃▄▄▅█▆▄▅▁▆▄▆▄▆▆▆▆▆▅▆▆▅▆▅▅▆▅▆▆▆▆-18.41665.942-288.872149.44489.115-71.194-243.25529.2011.45842.771-516.889-283.006-280.59643.663630.125241.795-337.1127.763-966.138257.906-248.973139.945-367.66599.781150.471161.765128.743216.96624.55373.113116.536-79.285232.503-122.201-0.16290.191-119.131150.953164.2581.012184.636
 us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity etr:EntergyArkansas▆▆▅▇▆▅▅▆▅▄▁▁▂▆▅█▆▆▆█▆▆▇▆▆▇▆▆█▇▆▅█▆▆▆█▇▆▅█14.99719.43-13.27848.23419.504-6.683-19.047.126-12.157-22.698-113.472-111.266-81.7969.467-0.78859.11224.05211.42810.04462.31622.64512.76836.91514.9236.69444.57522.31521.20156.39331.0113.6281.83356.02425.18611.76310.73768.72734.49218.8092.12558.116
 us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity etr:EntergyLouisiana▅▅▁▆▅▅▅▆▆▅▅▅▅▅█▆▆▆▅▆▄▆▆▅▅▆▅▅▆▅▅▅▆▃▅▅▁▅▅▅▅26.17137.772-417.33849.28735.91-50.18311.72354.96438.40516.531-24.1812.944-55.12221.748291.53994.09856.73642.92525.54199.541-85.0949.74262.54434.51723.01444.33126.48920.33939.14320.87612.042-0.94542.628-172.9692.364-15.69-391.51827.019.987-8.55932.543
 us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity etr:EntergyMississippi▇▇▆▇▇▇▇▇▇▇▆▆▁▇▇█▇▇▇█▇▇█▇▇▇▇▇█▇▇█▇▇▇▆█▇▇▇▇14.3777.425-3.7717.68611.3881.8863.75216.657.0233.441-2.058-16.156-114.5036.94416.5528.33717.0911.9427.81229.29615.66411.08223.55717.24716.0722.19617.64317.02721.93813.3758.36521.57718.51612.7395.847-14.04819.92513.6269.32511.44517.342
 us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity etr:EntergyNewOrleans▄▄▂▅▃▃▂▄▄▅▂▃▅▄▆▇▆▅▃█▆▆▇▅▅▆▅▅▅▄▄▄▅▄▄▁█▅▅▄▆1.8050.909-5.8536.104-1.718-2.74-5.1560.921.3683.054-6.379-3.5614.8752.6297.96210.7178.3176.282-0.99613.5989.56.60311.5915.4665.8217.7013.2753.8234.248-0.326-0.2770.9646.168-0.0990.207-8.82214.8994.6265.1891.1878.2
 us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity etr:EntergyTexas▆▆▅▆▆▅▅▄▅▄▁▇▆▆▆▇▆▆▆█▇▆▇▆▆▇▆▆▇▆▆▆▇▆▆▆▇▇▆▅▇4.1114.99-6.63211.3062.576-4.208-10.515-13.504-11.796-18.081-56.78116.9048.6864.94810.59522.1737.4728.2416.42631.80615.9628.90323.5129.428.29523.26111.9588.50321.77.3462.9776.57112.98211.5771.9882.13623.56214.1979.597-0.26319.467
 us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity etr:SystemEnergy▅▃▄▅▅▅▅▅▄▅▁▁▄▅▆▆▆▆▆▆▆▆▆▆▆▇▇▆▅▆▆█▇▅▆▇▇▆▆▆▆8.969-10.571-1.1828.87.4965.4295.7165.226-1.7276.134-24.733-25.744-4.8487.6518.17616.36217.44617.98516.33518.65217.51118.56318.95816.87815.31720.71919.95518.85810.78318.70519.032.36420.61910.44613.68627.55820.22213.57613.59714.3312.716
 us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity,us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents etr:EntergyLouisiana,us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedDefinedBenefitPlansAdjustment▁▄▆▆▆▅▆▆▆▆▅▅▅▅▅▅▆▅▄▄▄▄▃▃▃▅▁▁██-0.2080.1440.3240.2820.3340.2050.3410.3420.3420.3420.1770.1770.1770.1760.2310.2320.2920.2320.1450.1450.1440.1150.0160.0170.0010.179-0.18-0.1640.5420.542NANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedDefinedBenefitPlansAdjustment▂▂▅▅▅▆▃▁██▆▆▆▅-6.231-6.314-4.587-4.697-4.713-4.049-5.469-6.76-3.077-3.249-4.333-4.126-4.225-4.568NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges▃▅▃▄▁█▄▄▃▆▁▂▃▁0.0568.2572.7873.082-5.25819.8194.2783.9641.16410.829-6.343-2.2320.555-6.343NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss▂▂▂▂▃▂▂▃▂▂▁▁▁█0.44-0.3581.0631.6742.3171.1470.731.7930.911-0.095-2.38-3.161-2.83419.62NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:StatementBusinessSegments etr:EntergyWholesaleCommodities▆▆▇▆▆▆▅▆▆▆▆▅▆▆█▆▄▆▁▆▅▆▃▆▇▆▆▇▆▆▆▇▆▆▆▆▆▆▇▇▆-71.69615.5698.68812.32124.467-30.54-187.058-30.855-9.2965.908-102.143-135.659-30.144-1.078361.23925.563-454.944-78.337-1015.6376.115-235.05552.314-554.513-3.370.192.30319.597118.877-107.337-14.56756.93671.36534.15346.218-90.40712.11264.07964.32484.94183.03330.728
 us-gaap:IncomeTaxExpenseBenefit us-gaap:StatementBusinessSegments etr:Utility▆▆▁▆▆▅▄▆▅▅▁▄▃▅█▇▆▆▆▇▅▆▇▆▆▇▆▆▇▆▆▄▇▄▆▅▄▆▆▅▇71.3659.734-446.694143.62273.71-52.949-61.64971.69821.15-11.564-407.414-137.035-240.32452.224334.626230.647130.85198.49264.735255.603-3.785107.836198.945117.79891.251172.188122.884115.064170.81698.92671.075-113.574187.668-124.46199.707-43.256-158.673139.03690.2046.62216.59
 us-gaap:IncomeTaxExpenseBenefit us-gaap:StatementBusinessSegments us-gaap:AllOtherSegments▃▃▆▃▃▄▄▃▃▃▃▃▃▃▁▃▃▃▃▃▃▃▃▃▃▃▃▃▂▃▃▂▄▂▃█▃▁▃▃▁-18.08-9.35259.134-6.499-9.06212.2955.452-11.642-10.402-11.573-7.332-10.312-10.128-7.483-65.74-14.415-13.019-12.392-15.236-3.812-10.133-20.205-12.097-14.717-10.97-12.726-13.738-16.975-38.926-11.246-11.475-37.07610.682-43.958-9.462121.335-24.537-52.407-10.895-8.641-62.682
us-gaap:IncomeTaxesPaidNet ▄▄▁▄▄▂▁▃▄▂▃▃▄▃▃▃▃▂▄▃▇▅▃▅▇▅▄▃▄█▄▃▃▃▅▃▃▃▃▃▄18.4739.015-28.7447.52313.056-23.063-31.786-1.6826.877-13.8441.6254.05518.442-4.297-1.4922.793.371-18.04415.329-4.61958.22526.3825.01224.84865.91928.35515.3094.19618.89576.32412.3416.7420.0226.45835.992-2.031-0.0884.457-4.38-0.826.91
us-gaap:InterestExpense █▇▆▇▇▆▆▆▆▆▅▅▅▄▅▄▄▄▄▄▅▄▄▄▄▃▃▃▃▃▃▂▃▂▂▁▁▁▁▂▁213.376199.873194.131196.731204.656190.145187.942186.639184.301183.544179.977180.067177.646169.658170.543166.899162.854162.047164.546167.195170.499164.129164.06159.816160.22155.818155.811155.531151.051148.977147.961144.999147.797139.133137.354131.54127.588126.899127.6138.987127.126
us-gaap:InterestExpenseDebt █▇▇▇█▇▇▆▆▆▆▆▆▅▅▅▄▄▄▄▄▄▄▃▄▃▃▃▃▃▂▃▃▂▂▁▁▁▁▂▁220.34205.886207.782207.811216.799205.589203.865201.412201.112200.993197.774195.311192.314182.923184.355178.391173.377171.089174.201174.902177.631173.811171.349165.86166.337164.482164.327162.551157.504155.768153.149154.434155.8149.616146.745142.037137.301136.049136.134146.692136.075
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▄▇▇█▇▅▇▇▆▆▄█▆▅▁▇▇▅-5.974334.565387.968521.119360.533118.714385.025365.24236.424254.537-65.9536.4245.421132.761-479.113398.2409.92282.605NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic dei:LegalEntity etr:EntergyLouisiana▄▄█▅▄▄▄▅▄▄▄▅▄▃▁▄143.927166.626499.031223.466170.459189.396125.56255.26183.084127.633161.354218.308184.358111.593-88.794186.284NANANANANANANANANA122.08367.9156.6498.85959.63943.63835.12878.47128.97631.55719.064335.98473.36538.56NANA
 us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic dei:LegalEntity etr:EntergyTexas▄▅▄█▄▃▃▇▄▂▅▆▃▂▁▄44.31949.58842.86391.69446.39732.23725.42573.11438.93621.34248.2565.84630.78917.354.6339.588NANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic dei:LegalEntity etr:SystemEnergy█▆▁█▇▇▆▆▆▅▆▅▅▅▄▄30.3323.86410.56331.06428.99128.51326.03925.03124.47223.57825.44222.97223.38722.30818.31620.583NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted ▁█-6.0334.6NA521.1360.5118.7NA365.2236.4254.5NA536.4245.4NANANANANANANANANANANANANANANANANANANA337.1365.0-151.7154.1628.1315.6248.7228.2492.9
us-gaap:NonoperatingIncomeExpense ▅▆▇▆█▁▆▅▆█▁▇▅▄▆▆▆▆▅▅▅▅▅▅▅▅▄▅▅▅▅▅▅▅▅▅▅▅▅▅▅25.35896.963145.69693.858219.573-157.51185.75265.3787.517201.707-170.302165.84454.31313.857113.05680.86995.60181.05831.87146.24551.85841.09843.17835.93670.85159.6424.35838.67330.89243.63337.43443.36232.11844.53147.30939.06240.61739.71234.63759.52539.021
us-gaap:OperatingIncomeLoss ▇▇▇█▇▇▇▇▇▇▆▇▇▇▇█▇▇▁█▇▇▄▇█▇▇█▇▇▇▇█▇▆▇██▇▇█168.208507.997152.112778.016439.311399.756248.539519.929338.775283.254-228.931271.03591.597335.664211.901729.469143.509174.803-2599.001772.06442.258498.218-965.016377.383542.769492.859454.477739.877388.894346.512394.045324.202690.852342.984-56.857342.696600.909558.738510.891393.78770.642
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▄▃▃▄▄▅▄▄▆▄▆▄▃▆▁▅▅▅▃▅▃▄▃▄▄▄▅▅▅▅▄▁▃▂█▃▃21.768-51.3-58.787-1.81610.38347.933-27.14810.632120.74812.82774.953-18.484-52.14479.145-135.20958.90541.81345.931-73.10747.291-38.94720.841-70.98212.921-17.43-10.68436.2724.12230.77329.355-10.575-156.29-61.196-109.264202.119-30.115-63.181NANANANA
us-gaap:OtherNonoperatingIncomeExpense ▃▃▂▃▁█▁▄▄▃▆▄▄▅▆▆▆▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▆▆▆▆▆-62.844-60.929-81.488-58.914-93.6223.389-91.925-50.086-45.87-64.658-6.315-43.591-48.491-31.356-9.529-1.801-6.8725.501-15.915-6.74-8.377-10.587-10.005-15.743-9.02-6.644-14.675-11.704-10.214-13.157-13.623-11.42-10.768-13.036-17.99-18.773-14.137-16.962-9.399-16.074-14.748
 us-gaap:OtherNonoperatingIncomeExpense dei:LegalEntity etr:EntergyArkansas▂▂▃▃▁▁▂▃▃▄▃▄▃▃▇▇▇▇▇█▆▆▆▇▇▇▇▇▇▆▆▆▇▆▆▆▆▆▆▆▇-5.372-5.791-4.874-4.465-6.133-6.436-5.862-4.286-4.728-3.69-4.059-3.063-3.881-3.871-0.3180.183-0.057-0.107-0.4630.812-1.02-0.775-1.036-0.521-0.167-0.03-0.366-0.364-0.629-0.779-1.165-0.91-0.496-1.19-1.453-1.07-1.213-1.14-0.749-1.206-0.452
 us-gaap:OtherNonoperatingIncomeExpense dei:LegalEntity etr:EntergyLouisiana▃▃▁▃▁█▃▄▄▂▇▃▄▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅-36.033-34.638-59.131-40.025-66.81149.601-35.71-15.067-22.306-42.34428.687-25.782-22.77-7.665-3.329-2.957-2.65-3.024-1.553-4.429-1.87-3.7450.044-2.7810.5370.321.311-0.169-0.618-0.793-0.86-0.9040.519-0.828-1.371-1.513-1.353-0.134-0.522-1.284-0.687
 us-gaap:OtherNonoperatingIncomeExpense dei:LegalEntity etr:EntergyMississippi▂▁▂▁▁▁▂▃▅▅▄▆▃▄█▅▄▅▄▄▄▄▄▃▄▄▃▄▄▄▄▄▄▄▄▃▄▃▄▄▆-2.205-2.313-1.871-2.497-2.589-2.296-2.24-1.648-0.327-0.263-0.8660.116-1.411-0.5711.542-0.054-0.553-0.425-0.927-0.849-1.05-0.705-0.743-1.13-0.802-0.728-1.414-0.839-0.767-0.976-0.858-1.035-0.806-1.055-1.055-1.325-0.742-1.283-0.554-0.9680.109
 us-gaap:OtherNonoperatingIncomeExpense dei:LegalEntity etr:EntergyNewOrleans▇▇█▆▇▆▅▆▆▆▁▆▆▇▇▇▇▇▅▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▆▇-0.204-0.3021.486-0.60.168-0.738-2.571-1.019-0.942-1.506-8.043-0.66-1.404-0.337-0.1530.0390.040.098-3.0-0.0920.192-0.245-0.0810.3030.352-0.213-0.237-0.347-0.277-0.328-0.316-0.306-0.385-0.357-0.405-0.386-0.317-0.293-0.236-1.798-0.209
 us-gaap:OtherNonoperatingIncomeExpense dei:LegalEntity etr:EntergyTexas▅▅▄█▅▅▅▆▇▅▅▆▅▆▅▇▅▅▅▅▅▅▅▅▆▅▄▅▅▅▄▄▄▄▅▄▅▅▅▅▁-0.527-0.423-0.9522.061-0.791-0.346-0.4340.1151.228-0.363-0.5010.468-0.7350.113-0.2921.298-0.631-0.182-0.02-0.256-0.054-0.416-0.133-0.1780.064-0.277-0.876-0.464-0.625-0.485-0.858-1.1-1.52-0.849-0.795-1.347-0.73-0.795-0.175-0.697-3.672
 us-gaap:OtherNonoperatingIncomeExpense dei:LegalEntity etr:SystemEnergy▁▆▆▅▆▆▇▇▇▇▇▇▆▇███████████████████████████-7.886-2.024-2.041-3.354-2.157-2.46-1.498-1.3-1.49-1.228-1.384-1.421-1.794-1.176-0.16-0.13-0.103-0.128-0.191-0.109-0.164-0.092-0.129-0.217-0.221-0.088-0.096-0.105-0.134-0.191-0.168-0.171-0.146-0.143-0.157-0.197-0.253-0.145-0.104-0.185-0.104
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges▄▄-0.048-0.048NA-0.048-0.048-0.048NA-0.048-0.048-0.048NA-0.063-0.093-0.122NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▆▇▇█▇▇▇▇▇▇▆█▇▇▅▇▇▆▁▇█▇▄▇▇▇▇▇▇▇▇▇▇▇▆▇█▇▇▇█-1.394339.145392.547525.699365.113123.294389.606369.459240.533258.646-62.323539.818248.86136.2-475.71401.644413.36886.051-1765.539393.204572.59235.242-718.233153.722302.929234.916194.281406.053244.182168.055166.982301.85342.67370.583-146.74160.027633.069320.598253.678233.307497.901
 us-gaap:ProfitLoss dei:LegalEntity etr:EntergyArkansas▄▅▁▇▄▃▂█▄▃▁▇▅▃▁▅▃▂▁▆▃▂▄▂▂▄▃▃▅▃▂▂▅▃▂▂▅▄▂▂▅56.59393.0374.624135.84360.1744.59523.828149.71650.29939.1215.006128.8982.55636.255-5.64892.63838.5514.3043.879110.14833.89119.29455.66221.52517.86562.9829.00528.3782.57740.48314.71910.18582.55145.75513.8748.0480.94550.29825.6088.67493.29
 us-gaap:ProfitLoss dei:LegalEntity etr:EntergyLouisiana▄▄█▅▄▄▄▅▄▄▄▅▄▃▁▄▄▃▃▄▅▃▃▃▃▄▃▃▃▃▃▂▃▄▂▂▆▃▃▃▃143.927166.626499.031223.466170.459189.396125.56255.26183.084127.633161.355218.308184.358111.593-88.794186.284124.47994.37867.61189.506253.325111.606119.075.01872.264123.82169.66758.378100.59761.37745.37636.86480.208130.71433.29520.8337.72275.10340.29839.02494.32
 us-gaap:ProfitLoss dei:LegalEntity etr:EntergyMississippi▇▄▄█▆▄▄█▅▃▃▇▆▄▄▇▅▄▃▇▅▄▆▅▄▁▅▄▅▄▃▁▅▃▃▅▅▄▄▂▅51.41625.97220.57558.58938.89322.52621.62356.23726.66715.39814.2650.73338.24222.84318.02646.54528.30317.15813.2646.61232.19417.11836.57626.27924.935-6.46426.56425.83933.81318.95413.934-4.90827.0815.9148.68234.41733.06923.87217.3145.90134.014
 us-gaap:ProfitLoss dei:LegalEntity etr:EntergyNewOrleans▃▂▅▇▃▄▃█▅▄▂▇▆▄▁▆▅▄▂█▅▄▆▄▄▅▃▄▄▂▂▁▄▃▁▁▆▄▄▁▅4.6311.77113.77319.454.92911.1865.69524.90813.0039.0232.59421.40718.26910.8820.16418.52914.88210.9782.13823.70111.84311.16719.16310.50211.05413.9326.3748.2948.0860.5981.307-0.71610.5557.1860.04-0.10119.028.218.927-1.39515.481
 us-gaap:ProfitLoss dei:LegalEntity etr:EntergyTexas▄▅▄█▅▃▃▇▄▃▅▆▃▂▁▄▃▂▂▅▃▂▄▂▂▄▂▂▄▂▁▁▂▂▁▁▄▃▂▁▃44.7950.05843.33492.16446.86832.70725.89573.22438.93621.34248.2565.84630.78917.354.6339.58821.10110.85412.78556.13324.05814.56243.31414.8916.59139.55918.58513.16535.80110.9530.9224.78819.23416.2041.7451.14740.87523.09715.7260.31731.132
 us-gaap:ProfitLoss dei:LegalEntity etr:SystemEnergy▇▅▂▇▆▆▆▅▅▅▅▅▅▅▄▄▄▄▅▅▅▆▅▄▅▆▆▅█▆▆▄▇█▆▁▂▄▄▄▅30.3323.86410.56331.06428.99128.51326.03925.03124.47223.57825.44222.97223.38722.30818.31620.58319.3520.34723.32622.3725.0925.95825.22321.8625.53326.7325.93124.61935.10527.73428.00619.34630.61635.36826.5368.61214.26321.98619.33619.2722.299
 us-gaap:ProfitLoss dei:LegalEntity,us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents etr:EntergyLouisiana,us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedDefinedBenefitPlansAdjustment▁▆█▇█▆████▆▆▆▆▅▅▅▅▅▅▅▅▄▄▄▅▅▅▁▁▁-0.5880.4070.9090.80.9450.5830.9690.9690.9690.9690.5010.50.5010.5010.370.370.310.370.2310.2320.230.2630.0260.0260.0420.2870.2870.302-0.684-0.683-0.678NANANANANANANANANANA
 us-gaap:ProfitLoss dei:LegalEntity,us-gaap:StatementEquityComponents etr:EntergyLouisiana,etr:MemberSEquity▁█143.927166.626NA223.466170.459189.396NA255.26183.084127.633161.354218.308184.358111.593-88.794186.284124.47994.37867.61189.506253.325111.606119.075.01872.264123.82169.66758.378100.59761.37745.37636.86480.208130.71433.29520.798337.72475.10340.298NANA
 us-gaap:ProfitLoss dei:LegalEntity,us-gaap:StatementEquityComponents etr:EntergyTexas,us-gaap:RetainedEarnings▁█44.7950.058NA92.16446.86832.707NA73.22438.93621.34248.2565.84630.78917.354.6339.58821.10110.85412.78556.13324.05814.56243.31414.8916.59139.55918.58513.16535.80110.9530.9224.78919.23416.2031.7451.14740.87523.09715.7260.31731.132
 us-gaap:ProfitLoss dei:LegalEntity,us-gaap:StatementEquityComponents etr:SystemEnergy,us-gaap:RetainedEarnings█▁30.3323.864NA31.06428.99128.513NA25.03124.47223.57825.44222.97223.38722.30818.31620.58319.3520.34723.32622.3725.0925.95825.22321.8625.53326.7325.93124.61935.10527.73428.00619.34630.61635.36826.5368.61214.26321.98619.33617.2724.299
 us-gaap:ProfitLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome▂▃▂▃▃▅▃▂▂▄▁▂▂▂▄▃▃▄▄▃▄▆▅▅▃▃▃█▃▂▂-21.1347.481-5.088-2.96717.05256.975-2.692-7.472-5.55529.024-43.984-29.09-18.346-6.74132.9594.60919.36626.54929.15720.81827.92194.21451.37351.4348.6546.33-2.388140.7285.742-6.489-10.386NANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedDefinedBenefitPlansAdjustment▃▂▅▅▅▄▄▁██▆▆▆▅-22.098-22.967-17.398-17.437-17.224-19.55-20.036-25.464-11.496-11.55-16.037-15.265-15.565-16.574NANANANANANANANANANANANA-3.45912.696NA-9.779-9.795NANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges▃▅▃▄▅█▄▄▃▆▁▂▃▁0.20831.06210.48511.59430.29674.55616.09314.9134.37740.738-23.86-8.3972.087-23.861NANANANANANANANANANANANA-0.501126.298NA2.433-1.586NANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss▂▂▂▂▃▂▂▃▂▂▁▁▁█▇▂▆▂▂▂▃▂▃▄▄▂▂▂▂▂▂0.756-0.6141.8252.8763.981.9691.2513.0791.564-0.164-4.087-5.428-4.86833.69429.3342.23522.1742.045-0.4081.6723.0611.9633.2068.7728.6551.0151.5721.734-0.6530.8570.995NANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:StatementBusinessSegments etr:Eliminations█▁-31.898-31.899NANA-31.898-31.899NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:StatementBusinessSegments etr:EntergyWholesaleCommodities▆▇▇▇▇▇█▇▇▇▆█▇▇▆▇█▇▁▇█▇▄▇█▇▇█▇▇▇▇█▇▇██▇███-274.64838.124-68.28630.77385.178-110.428217.674-140.501-25.38297.079-372.097105.571-56.337-17.779-424.7955.765223.886-27.197-1831.7758.221250.87479.557-1031.41-3.545123.432-32.67826.463242.47-92.82811.53182.1148.857118.76681.317-168.512172.19130.86265.556123.233150.602143.721
 us-gaap:ProfitLoss us-gaap:StatementBusinessSegments etr:Utility▅▅██▅▅▅█▅▄▆▇▆▄▁▆▄▃▃▆▆▄▆▄▄▅▄▄▅▄▃▅▅▅▂▃▇▄▃▃▅329.936360.6588.021555.583348.902323.849274.78581.964334.752234.147390.983507.745378.394217.94-44.59403.733246.382167.623123.382447.782380.317199.651364.265204.035227.75315.263212.134205.44352.303200.555127.835284.078300.506308.52567.212174.012528.459252.741168.653118.634337.941
 us-gaap:ProfitLoss us-gaap:StatementBusinessSegments us-gaap:AllOtherSegments▆▅▃▅▅▄▄▅▅▅▅▅▅▅▇▆▆▆▆▅▆▆▆▆▆▆▆▆▇▆▆█▅▇▆▁▆▇▆▆█-24.784-27.68-95.288-28.758-37.069-58.228-70.95-40.105-36.939-40.682-49.309-41.601-41.299-32.06325.594-25.956-25.001-22.477-25.245-30.901-26.703-12.067-19.19-14.87-16.354-14.793-17.614-15.46211.102-17.636-16.57235.31-50.2077.136-18.405-158.5311.39329.946-10.563-8.28445.432
 us-gaap:ProfitLoss us-gaap:StatementBusinessSegments us-gaap:IntersegmentEliminationNANANA-31.899-31.898-31.899-31.899-31.899-31.898-31.898-31.899-31.897-31.898-31.898-31.925-31.898-31.899-31.898-31.9-31.898-31.898-31.899-31.898-31.898-31.899-32.876-26.702-26.395-26.395-26.395-26.395-26.395-26.395-26.395-27.035-27.645-27.645-27.645-27.645-27.646-29.193
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents etr:SubsidiariesPreferredStock▄▄4.584.58NA4.584.584.58NA4.2194.1094.1093.5773.4393.4393.4393.4033.4463.4463.4463.5295.0345.2765.2764.7939.7590.0-9.7774.8984.8794.3324.3335.5825.5825.5825.5834.9435.8875.0155.0165.015NANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁█-5.974334.565NA521.119360.533118.714NA365.24236.424254.537-65.899536.379245.421132.761-479.114398.198409.92382.605-1769.067388.169567.314229.966-723.027148.842298.05230.037189.383401.174239.85163.723161.4296.268337.087365.001-151.683154.139628.054315.583248.663228.291492.887
 us-gaap:RealizedInvestmentGainsLosses us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss1.196NANANA6.297NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▄▄▁▄▁▁▂▆▃▃▂▆▃▃▃▇▃▂▃▆▂▃▇▃▅█▅▆▇▃▃▁▅▂▁▂█▄▂▂▇2822.072844.8382370.1012903.5682412.7882427.1792462.3053140.5752666.2092609.5842512.4823104.3192668.772723.8812623.8453243.6282618.552588.4582648.5273124.7032462.5622609.8523371.4062713.2312920.093458.112996.653208.8433351.9592738.2082608.8742436.2592963.562518.62383.6592489.0323395.5532803.2792541.2082533.1043332.176
us-gaap:Revenues ▄▄▁▄▁▁▂▆▃▃▂▆▃▃▃▇▃▂▃▆▂▃▇▃▅█▅▆▇▃▃▁▅▂▁▂█▄▂▂▇2822.072844.8382370.1012903.5682412.7882427.1792462.3053140.5752666.2092609.5842512.4823104.3192668.772723.8812623.8453243.6282618.552588.4582648.5273124.7032462.5622609.8523371.4062713.2312920.093458.112996.653208.8433351.9592738.2082608.8742436.2592963.562518.62383.6592489.0323395.5532803.2792541.2082533.1043332.176
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
us-gaap:Assets ▇██▇▆▆▆▅▅▅▄▄▄▄▄▄▄▃▄▄▄▄▃▄▄▃▃▃▃▃▂▃▂▂▂▂▁▁▁▁55949.28358667.62858239.21256070.25153365.30252555.02951723.91250506.26850565.74549605.38148275.06648471.17247622.64947281.52546707.14946398.44246007.03745318.20645904.43447738.18145877.04245933.88245041.60546265.65146377.53344541.64944150.74743876.76943324.12643262.28542792.97343202.50242023.6840917.60540930.22440701.69939161.49839129.76138598.56638685.276NA
us-gaap:LiabilitiesAndStockholdersEquity ▇██▇▆▆▆▅▅▅▄▄▄▄▄▄▄▃▄▄▄▄▃▄▄▃▃▃▃▃▂▃▂▂▂▂▁▁▁▁55949.28358667.62858239.21256070.25153365.30252555.02951723.91250506.26850565.74549605.38148275.06648471.17247622.64947281.52546707.14946398.44246007.03745318.20645904.43447738.18145877.04245933.88245041.60546265.65146377.53344541.64944150.74743876.76943324.12643262.28542792.97343202.50242023.6840917.60540930.22440701.69939161.49839129.76138598.56638685.276NA
us-gaap:StockholdersEquity ███▇▇▆▆▆▅▃▃▂▁▁▁▃▂▁▁▆▅▄▄▆▆▆▆▆▄▄▄▄▄▃▃▃▃▂▂▂10887.94711017.17610926.14210771.83910425.98810223.96710223.67510035.0619797.5038970.3678844.3058412.7128022.4617974.9437992.5158690.2378370.8568057.1898081.80910069.0629757.7879360.9479157.12510158.19610133.97910149.03510062.4689948.4289408.4519274.5179213.0769197.0899190.5229029.9968914.268961.278965.3628597.5668535.1388496.4NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
us-gaap:AssetsCurrent ▄█▇▅▃▅▁▄▂▃▁▄▃▄▂▃▃▃▄▆▄▅▅▅▆▆▆▆▃▃▂▄▄▂▃▄▆▄▄▆3794.7064788.5544559.8994062.8053546.9963973.9513045.9923661.6723283.5083407.7762958.0643694.5463534.453655.7343285.3313471.2313599.3443397.4913684.2684340.0353851.9284001.1954117.3464085.054139.9854264.5394245.1334193.3163489.593591.7223322.8733683.1263807.753203.53476.3373622.7034154.4983863.1423777.5864339.083NA
us-gaap:Cash ▄▂▄▁▂█▁▂▂▃▂▂▂▂▂▂▂▂▄▃▃▂▂▂▂▃▄▃▃▂▂▃▃▃▂▂▄▃▃▂157.26567.574128.85143.85955.51283.49134.24270.39561.2118.38456.6964.78755.19757.92156.62987.29767.23860.868129.579101.905103.28281.62479.63760.00467.1290.91148.639108.053102.94986.32466.114112.99296.99690.27963.11781.468135.67394.968103.79776.29NA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▃▇▇▅▄▆▂▄▃▄▂▄▃▅▃▂▄▄▅▅▄▄▄▄▅▄▃▄▁▁▁▂▃▁▃▃▄▂▃▅█686.8811742.6561759.0991239.664935.4681463.833425.722955.831635.909983.496480.975987.981812.7871205.596781.273546.291934.4951083.0621187.8441307.434996.0991091.6511040.598910.371180.5461068.509650.068908.483365.332311.372262.931532.569749.719283.393685.002694.438987.14529.858726.2371294.4721930.919
us-gaap:AccountsReceivableNetCurrent █▇▆▇▅▄▅▇▆▄▄▇▆▄▅▇▄▃▅▇▅▃▇▅▄▇▆▄▆▆▃▃▅▃▁▃▆▅▂▃1440.0041338.4161285.7271347.421177.421076.0731208.5921338.3711234.6241074.7091114.4051366.6531258.4661081.8011212.951313.3431120.436973.1431170.1671380.4571169.97993.4241333.1391190.3631067.9071313.3831232.9491128.1921267.7591222.4331031.561001.7151147.281037.45829.0631001.8681248.3731203.102932.1371035.582NA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▂▁▂▅▅▇█▆▇▃▅▆195.922179.315196.424232.796243.021268.201283.645258.695267.303205.322234.326248.107NANA156.333NANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA191.0NANANA184.0NANANA177.0NANANA167.0NANANA169.0NANANANANANANANANANANANA230.4NANANA214.3NANANA207.6NA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment dei:LegalEntity etr:EntergyLouisianaNANA179.8NANANA168.5NANANA161.2NANANA152.3NANANA154.4NANANANANANANANANANANANA2.8NANANA2.7NANANANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment dei:LegalEntity etr:EntergyMississippiNANA0.5NANANA0.5NANANA0.5NANANA0.5NANANA0.5NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet ██▇▇▇▇▇▇▇▆▆▆▅▅▄▃▃▃▃▂▂▂▂▂▂▁▁▁▄▄▄▄▄▄▄▄▄▄▄▄353.423355.819343.328341.19337.849335.314332.864326.704324.366310.215304.382302.784294.548289.074260.98252.621247.363243.683233.641223.008225.996221.431217.756217.115218.235201.943198.727199.251260.076260.609260.068256.039259.525259.352259.867260.436258.967260.614260.133257.847NA
us-gaap:LongTermInvestments ▄▇▇▇▆▅▆▆▇▇▇██▇█▇▇▇▅▅▅▄▄▄▄▄▃▃▂▂▂▂▂▂▂▁▁▁▁▁5748.9167864.0017810.7657594.057287.0566574.1687233.3466903.4917837.2697627.9297661.8118183.8557946.117838.8267915.0337683.0967498.1777364.9226427.46368.7636256.2836168.0455919.7226050.9856113.6885830.195539.8695397.2525118.2274952.3294947.2254929.1194892.1334725.5424764.6164509.7664282.6984491.9024442.3154300.206NA
us-gaap:OperatingLeaseRightOfUseAsset NANA230.0NANANA234.0236.0234.0241.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingLeaseRightOfUseAsset dei:LegalEntity etr:EntergyArkansasNANA55.84NANANA52.31749.50348.56752916.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingLeaseRightOfUseAsset dei:LegalEntity etr:EntergyLouisianaNANA43.189NANANA36.03434.24833.05436066.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingLeaseRightOfUseAsset dei:LegalEntity etr:EntergyMississippiNANA16.538NANANA16.918.14918.79118926.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingLeaseRightOfUseAsset dei:LegalEntity etr:EntergyNewOrleansNANA5.222NANANA3.8783.8944.1724961.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingLeaseRightOfUseAsset dei:LegalEntity etr:EntergyTexasNANA14.738NANANA14.0213.07412.549991.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁██▃▃▄▅▅▅▅▅▅▅▅▅▅▅▆▅▅▅▅▅312.869332.606245.339296.103312.479339.133288.301296.62333.055330.745262.988133.555166.666195.29112.062129.213141.777167.2891606.0091642.943587.566620.534738.513949.325965.238903.206947.584961.216922.496964.364983.645936.648966.2061066.3511128.012955.691879.523927.658951.507909.773NA
us-gaap:EquitySecuritiesFvNi ▁▄▇▅▅▄▅▄▆▇█▇53.0807.01533.0959.0879.0745.0905.0836.01293.01357.01686.01569.0NANA526.0NANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
us-gaap:AccountsPayableCurrent ▃▄██▃▃▃▃▃▃▃▃▃▂▃▂▂▂▂▂▁▁▂▁▁▂▂▂▁▂▂▂▃▂▁▂▁▂▁▂1348.7341697.2062739.4372872.4471509.3551502.3921499.8611328.6311412.6071406.3271496.0581392.1141459.4321260.7181452.2161105.0381165.6991149.4981285.5771063.139967.08888.3491042.1731013.026941.5961104.1051159.7261145.591900.1311170.4051036.1221217.181362.7021035.834916.2481069.096882.6511044.217986.3071181.099NA
us-gaap:ContractWithCustomerLiabilityCurrent ▁▁▅████390.306391.032401.512408.764408.251408.803409.171NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent ▃▄██▇▆▆▅▄▅▆▆▇▅▅▄▄▃▂▃▄▃▃▄▃▄▄▃▃▄▃▄▃▂▂▅▄▁▁▂3804.544511.9067060.5066875.5266115.9016017.9395620.4635103.0464522.6084861.0835443.5445750.5636232.0735232.6725036.2074460.8714240.533879.0433200.0963451.7474021.8433839.3483453.8263998.3713765.4254453.5674128.0693917.4613439.0283983.9543896.424106.3213924.2683041.9432910.6544950.6994161.3432242.4042310.7442776.249NA
us-gaap:LongTermDebtCurrent ▂▃▅▄▅▅▃▂▁▁▃▃▄▅▃▄▃▂▂▃▃▃▂▃▄▄▃▂▁▂▃▃▃▂▂█▇▁▁▂285.324629.0191164.0151050.0151205.0151230.015795.012520.012150.01150.01650.009735.0091016.9081260.008760.007869.207702.909333.709364.9750.2671.732796.732278.714794.777896.8771114.046682.666422.666206.26525.622630.622718.516787.711420.389315.2752192.7332022.41128.062208.655299.548NA
 us-gaap:OperatingLeaseLiabilityCurrent dei:LegalEntity etr:EntergyArkansasNANA11.942NANANA11.44310.66210.37411321.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingLeaseLiabilityCurrent dei:LegalEntity etr:EntergyLouisianaNANA11.934NANANA10.3319.9699.72710958.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingLeaseLiabilityCurrent dei:LegalEntity etr:EntergyMississippiNANA5.738NANANA5.6336.1376.186461.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingLeaseLiabilityCurrent dei:LegalEntity etr:EntergyNewOrleansNANA1.406NANANA1.1341.1381.2181748.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OperatingLeaseLiabilityCurrent dei:LegalEntity etr:EntergyTexasNANA4.277NANANA3.6983.4273.2513071.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
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us-gaap:OtherLiabilitiesCurrent ▃▃▃▃▃▃▃▃▃▃▁▂▂▁▃▂▃▃▂▃▃▂▃▄▂▇██▄▄▂▄▄▅▆▅▄▃▃▅193.64207.984206.64221.342216.214201.514201.78194.117195.746203.655132.82184.255167.926131.949221.771172.735224.469192.056180.836200.929193.672176.065215.162244.534177.572351.64406.092394.882253.915239.571181.856261.986263.863290.379345.781283.531231.123191.497191.278277.598NA
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  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
us-gaap:LiabilitiesNoncurrent ▇█▇▆▅▅▅▅▅▅▄▄▄▄▄▄▄▄▅▄▃▄▄▃▄▃▃▃▃▃▃▃▂▂▂▁▁▂▂▂41002.38642884.13639998.15438168.47636569.00336058.73835625.36435113.7536026.20735554.50433767.81534110.12633170.34433876.11133480.62433044.14933192.46633178.78934419.34433984.18731779.22732415.40232219.89431804.32432173.36929634.28729655.4529706.1230196.13629723.30329402.96629618.58128628.3828565.15628824.826509.21925724.04527979.04627441.94227101.889NA
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us-gaap:MinorityInterest ▄▄▄▄▄▄▄▄35.035.035.035.035.035.035.035.0NANA0.0NANANANANANANANANANANA0.094.094.094.094.094.094.094.094.094.094.094.094.094.094.094.094.094.0NA
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  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
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 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedDefinedBenefitPlansAdjustment▆▅▄▇▆▅▃▆▅▅▄▂▂▁▄█▇▇▇-489.511-511.609-534.576-468.512-485.949-503.173-557.072-483.412-508.876-520.372-531.922-574.661-589.926-605.491-531.099-437.601-449.898-460.814-469.446NANANANANANANANANANANANA-590.712NANANANANANANANANA
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 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss▁▁▂▂▂▂▁▂▁▁▁▁▁▁██▇▇▇11.85511.96356.6557.5660.25541.6925.94632.00726.73612.466-2.116-10.587-8.842-6.201545.045512.652479.257467.561429.734NANANANANANANANANANANANA214.547NANANANANANANANANA
us-gaap:TreasuryStockValue ▁▁▁▁▁▁▂▂▃▃▃▄▅▅▅▅▆▆▆▆▆▆▆▆▆▅▅▆▆▆▆▇▇▇▇██▇▆▆5042.2425046.2215074.4565075.4175076.9615080.575154.155158.6255187.7915211.1825273.7195353.0175374.1255377.165397.6375462.4985470.2175476.5015498.5845498.6955515.5025528.1955552.5415478.1595478.9725441.0035447.9255477.5025538.6445543.4715553.875574.8195584.6115619.6515622.4735680.4685700.8085653.4745556.2855524.811NA
us-gaap:MinorityInterest ▄▄▄▄▄▄▄▄35.035.035.035.035.035.035.035.0NANA0.0NANANANANANANANANANANA0.094.094.094.094.094.094.094.094.094.094.094.094.094.094.094.094.094.0NA
us-gaap:StockIssuedDuringPeriodValueNewIssues 28.216NANANANANANA35.0607.65NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▁▂▅▄▄▄▅▃▃▃▄▃▃▅▅▂▃▄▅▄▃▅▄▄▇▄▄▆▃▃▄▅▄▄▅▆▄▂▄█796.112-49.565319.7921.859789.247659.06698.681064.857551.901501.189525.743779.581522.53557.393910.749893.068290.29529.393746.3041000.315719.259532.8211011.284727.403610.9581362.926761.406767.1571083.554571.916543.989720.4971031.869587.419600.5999.0611152.507654.148323.101760.9921697.255
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▃▃▅▄▅▃▅▅▅▅▅▅▅▅▅▅▆▆▆█▁▆▇▇▆▆▇▆▇▇▄▆▆▆▅▇▅▆▇▆-1312.953-1513.272-1516.424-1057.689-1152.706-1045.487-1485.316-999.925-1074.043-950.958-1105.506-1070.789-955.254-974.438-1013.327-1057.518-958.404-811.8-867.556-716.254-388.211-1878.027-816.283-670.212-699.879-777.781-735.061-655.599-752.602-643.414-661.76-1316.57-823.021-750.931-749.275-1051.35-567.78-930.898-896.825-579.479-821.843
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity etr:EntergyArkansas▆▆▆▄▅▅▆▅▆▆▇▅▄▆▆▄▅▅▆▅▅▁▅▆▆▆▇▆▇▆▆▁▆▇█▆▇▆▇▅█-164.095-162.611-160.97-233.875-210.313-190.551-169.617-185.646-160.069-160.961-114.39-182.103-230.89-161.344-161.471-249.52-211.224-207.097-173.785-196.784-182.32-395.106-218.59-138.65-138.537-153.852-78.118-169.864-122.746-152.609-159.889-398.592-169.422-102.088-53.146-144.413-107.478-141.51-110.123-181.982-75.341
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity etr:EntergyLouisiana▃▁▃▆▆▆▅▆▅▅▄▅▇▄▅▅▅▅▆▆█▂▇▇▇▅▆▇▆▇█▆▆▇▇▇▇▆▆█▄-738.257-1098.466-847.852-364.734-358.846-373.239-393.611-339.365-479.266-441.392-594.364-445.642-224.252-613.95-408.044-479.155-428.199-472.011-335.64-278.51912.855-872.761-101.452-112.526-124.76-391.673-272.442-158.927-229.609-164.767-55.482-331.05-308.489-113.378-97.949-111.68-121.276-320.747-257.5-55.25-630.562
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity etr:EntergyMississippi▆▆▆▆▆▆▁█▅▇▆▇▆▇▆▆▆▇▇▆▇▇▇▇▇▇█▇▇▇█▄█▇▇▇█▇█▇▇-160.658-162.802-155.784-113.381-157.982-103.615-457.377-4.616-217.315-54.376-151.288-85.816-106.081-76.268-116.26-115.279-105.996-79.691-44.63-116.573-67.063-61.178-47.41-45.214-42.34-52.582-26.443-49.87-37.296-49.85-22.123-266.962-36.107-44.569-43.489-42.684-32.476-41.088-35.582-62.19-40.966
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity etr:EntergyNewOrleans▆█▆▆▆▆▆▆▆▆▅▆▆▇█▆▇▆▇▇▇▁▅▇▇▇▇▇█▆▇▇▇▇▇▇▇▇▇▇▇-63.53514.875-51.28-57.013-43.861-68.691-67.493-58.101-41.933-36.783-74.383-62.148-39.512-31.5737.204-67.699-8.254-40.751-31.737-32.908-15.65-242.386-96.939-18.253-18.297-17.163-17.312-14.79421.78-71.381-31.945-33.502-20.139-17.271-7.128-3.01.153-28.119-16.053-12.423-8.912
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity etr:EntergyTexas▅▂▃▃▂▂▁▃▂▄▄▅▆▇▄▆▆▆▆▆▆▆▆▆▇▇▇█▇▆█▆█▇█▆▆▇█▇█-126.609-223.696-191.221-192.632-232.145-232.65-275.203-200.426-238.729-163.922-162.123-108.925-72.796-52.129-154.594-87.653-71.342-69.587-78.825-71.883-91.426-88.057-64.433-80.52-57.511-50.637-53.172-19.764-28.144-88.763-13.118-63.386-5.547-37.706-22.265-99.101-69.915-42.98-7.787-44.67-15.805
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity etr:SystemEnergy▅▅▅▆▄▄▃▇▄█▃▆▄▄█▂▆▅▅▅▆▂▆▆▅▆▄▃▅▇▅▆▃▃▁▃▇▄▃▅▅-63.24-23.437-27.176-21.554-78.181-79.532-135.44929.373-84.18670.709-116.588-10.617-73.0-85.95685.348-193.615-0.915-65.068-39.331-25.522-8.649-159.1-11.15-14.714-35.153-18.147-66.843-119.532-40.45329.802-49.23910.619-141.671-152.966-218.619-134.07542.052-103.904-115.47-49.473-35.632
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂██▄▃▇▄▄▄▆▃▅▃▆▄▃▅▄▃▃▂▆▃▂▃▃▂▃▂▄▃▄▄▃▄▃▃▃▃▁▂-538.9341546.3941716.159440.026-164.9061424.538256.527254.99174.555952.2972.757466.40239.915841.368337.56-223.754519.547177.6251.66227.274-426.61085.896-64.773-327.367-152.559-166.704-284.7657.799-276.288119.96-152.639379.015257.793-238.306139.649-240.475-127.9880.3835.787-818.048-279.505
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity etr:EntergyArkansas▄▄▁█▄▅▄▄▃▅▄▄▇▄▄▄▅▄▄▃▄▆▄▄▄▄▃▅▃▆▄▅▄▄▄▃▃▄▄▅▄92.3812.69-392.672604.285-1.963114.85-5.0877.714-145.316144.61643.48734.827416.33-23.839-20.78270.517177.20632.522-11.828-45.01459.563280.13744.859-27.032-29.39739.33-134.961182.835-61.903339.033-33.113219.3064.64-23.06525.184-65.132-70.13416.087-24.924121.869-17.65
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity etr:EntergyLouisiana▂▇█▂▃▅▃▃▃▅▃▄▁▆▃▃▄▃▄▃▂▆▃▃▃▃▃▃▃▃▃▄▄▃▃▂▃▄▄▂▄-230.691026.861364.297-233.623-55.803522.828-5.987-66.552-74.795523.608-27.761270.091-564.158812.289-21.941-74.026382.138-14.25294.444-138.796-341.873801.126-148.05-30.519-36.477-126.411103.1656.36650.26-5.514-34.525166.205254.855-31.03242.348-172.108-23.926170.926234.593-226.685230.442
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity etr:EntergyMississippi▅▇▅▄▆▅█▂█▄▄▄▄▅▅▅▅▅▁█▅▄▄▄▄▄▃▆▄▄▄█▄▄▄▄▄▄▆▄▄16.628185.18912.723-1.616148.98618.772273.529-153.366279.9018.315-12.161-25.363-9.86379.31625.03639.13143.712.036-257.12251.38714.883-0.757-4.46-33.252-0.749-25.782-95.93694.994-51.573-4.84-34.044245.889-0.707-0.737-2.77-14.727-12.726-9.87988.3669.667-22.138
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity etr:EntergyNewOrleans▃▄▄▃▃▇▄▃▄▃▃▄▄▃▂▃▃▃▃▃▃█▄▃▃▃▃▃▁▅▄▄▃▄▃▃▃▃▃▃▂6.64714.82533.3474.863-6.051118.67135.3139.7628.5951.378-10.31128.65411.288-6.857-46.902-12.438-17.416-11.868-15.472-7.376-0.515155.02536.733-0.248-7.566-3.588-0.253-0.26-70.77773.70624.78112.792-3.65611.05.372-14.506-15.883-7.765-5.906-16.343-46.868
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity etr:EntergyTexas▂▂█▃▂█▃▆▅▄▂▂▂▂▅▃▂▂▂▂▂▃▂▃▂▂▁▂▁▂▂▁▂▁▂▂▃▂▂▂▂-21.793.989358.71126.722-18.763342.3283.996222.853154.121143.4447.606-18.175-15.212-25.456160.16327.533-0.4983.914-26.24-7.234-15.4176.473-18.97134.192-23.743-19.019-66.08-23.481-42.427-11.372-21.947-39.89-29.346-55.636-22.358-9.73830.784.634-14.783-9.084-35.278
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity etr:SystemEnergy▂▂█▂▂▃▂▂▂▂▃▃▃▃▂▂▃▃▃▂▁▄▂▁▂▂▂▃▂▃▂▁▃▃▃▂▂▂▂▂▂-23.458-57.563562.476-41.186-38.45243.002-35.808-43.308-62.813-65.81-12.04-2.415-4.31112.097-34.921-107.043-7.577-6.163-13.148-19.577-172.395110.985-36.593-159.494-51.837-57.533-17.295-9.075-76.76331.485-111.456-142.19554.2827.91149.106-55.335-24.493-37.442-80.629-25.077-65.305
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▁█-1055.775-16.443NA304.196-528.3651038.111NA319.922-347.587502.521NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect dei:LegalEntity etr:EntergyArkansas█▁1.346-68.348NA595.331-134.919133.973NA45.126-158.298190.122NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect dei:LegalEntity etr:EntergyLouisiana▁█-394.942-126.204NA-211.572-1.659463.388NA83.306-260.424261.799NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect dei:LegalEntity etr:EntergyMississippi▁█-76.70576.698NA-27.14670.165-51.582NA-25.512123.563-36.069NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect dei:LegalEntity etr:EntergyNewOrleansNA15.586NA-30.713-42.5767.298NA-0.273-0.495-18.883NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect dei:LegalEntity etr:EntergyTexas█▁0.0-248.571NA-42.205-117.474146.784NA90.431-20.38222.173NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect dei:LegalEntity etr:SystemEnergy█▁-13.005-110.242NA11.824-92.33923.912NA80.364-74.3462.616NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
us-gaap:IncreaseDecreaseInAccountsPayable ▅▂▄█▆▃▆▂▅▄▅▄▇▄▇▃▆▄▆▆▆▄▅▅▂▃▅▅▁█▄▂▇▇▂▆▂▆▂▇▅44.237-175.651-36.626213.13788.673-127.727103.348-156.41444.781-63.61317.363-17.515166.321-68.857177.764-85.64957.369-47.68274.48854.521112.776-67.36414.28649.105-153.7-86.86413.82732.87-232.619192.854-40.861-150.375135.257153.938-145.599106.909-162.07677.595-154.398172.28721.254
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▁█43.19243.582NA50.54942.18521.758NA-32.559.76642.016NA-48.919106.97828.004-77.448-9.72684.1817.324-109.75-43.37626.63895.2918.99633.52790.619-111.510.545115.06-52.26-18.383151.95820.61522.93373.68834.753-73.194-81.06710.092102.294-1.95835.46
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▁▂▅▄▄▄▅▃▃▃▄▃▃▅▅▂▃▄▅▄▃▅▄▄▇▄▄▆▃▃▄▅▄▄▅▆▄▂▄█796.112-49.565319.7921.859789.247659.06698.681064.857551.901501.189525.743779.581522.53557.393910.749893.068290.29529.393746.3041000.315719.259532.8211011.284727.403610.9581362.926761.406767.1571083.554571.916543.989720.4971031.869587.419600.5999.0611152.507654.148323.101760.9921697.255
us-gaap:ProfitLoss ▆▇▇█▇▇▇▇▇▇▆█▇▇▅▇▇▆▁▇█▇▄▇▇▇▇▇▇▇▇▇▇▇▆▇█▇▇▇█-1.394339.145392.547525.699365.113123.294389.606369.459240.533258.646-62.323539.818248.86136.2-475.71401.644413.36886.051-1765.539393.204572.59235.242-718.233153.722302.929234.916194.281406.053244.182168.055166.982301.85342.67370.583-146.74160.027633.069320.598253.678233.307497.901
 us-gaap:ProfitLoss dei:LegalEntity etr:EntergyArkansas▄▅▁▇▄▃▂█▄▃▁▇▅▃▁▅▃▂▁▆▃▂▄▂▂▄▃▃▅▃▂▂▅▃▂▂▅▄▂▂▅56.59393.0374.624135.84360.1744.59523.828149.71650.29939.1215.006128.8982.55636.255-5.64892.63838.5514.3043.879110.14833.89119.29455.66221.52517.86562.9829.00528.3782.57740.48314.71910.18582.55145.75513.8748.0480.94550.29825.6088.67493.29
 us-gaap:ProfitLoss dei:LegalEntity etr:EntergyLouisiana▄▄█▅▄▄▄▅▄▄▄▅▄▃▁▄▄▃▃▄▅▃▃▃▃▄▃▃▃▃▃▂▃▄▂▂▆▃▃▃▃143.927166.626499.031223.466170.459189.396125.56255.26183.084127.633161.355218.308184.358111.593-88.794186.284124.47994.37867.61189.506253.325111.606119.075.01872.264123.82169.66758.378100.59761.37745.37636.86480.208130.71433.29520.8337.72275.10340.29839.02494.32
 us-gaap:ProfitLoss dei:LegalEntity etr:EntergyMississippi▇▄▄█▆▄▄█▅▃▃▇▆▄▄▇▅▄▃▇▅▄▆▅▄▁▅▄▅▄▃▁▅▃▃▅▅▄▄▂▅51.41625.97220.57558.58938.89322.52621.62356.23726.66715.39814.2650.73338.24222.84318.02646.54528.30317.15813.2646.61232.19417.11836.57626.27924.935-6.46426.56425.83933.81318.95413.934-4.90827.0815.9148.68234.41733.06923.87217.3145.90134.014
 us-gaap:ProfitLoss dei:LegalEntity etr:EntergyNewOrleans▃▂▅▇▃▄▃█▅▄▂▇▆▄▁▆▅▄▂█▅▄▆▄▄▅▃▄▄▂▂▁▄▃▁▁▆▄▄▁▅4.6311.77113.77319.454.92911.1865.69524.90813.0039.0232.59421.40718.26910.8820.16418.52914.88210.9782.13823.70111.84311.16719.16310.50211.05413.9326.3748.2948.0860.5981.307-0.71610.5557.1860.04-0.10119.028.218.927-1.39515.481
 us-gaap:ProfitLoss dei:LegalEntity etr:EntergyTexas▄▅▄█▅▃▃▇▄▃▅▆▃▂▁▄▃▂▂▅▃▂▄▂▂▄▂▂▄▂▁▁▂▂▁▁▄▃▂▁▃44.7950.05843.33492.16446.86832.70725.89573.22438.93621.34248.2565.84630.78917.354.6339.58821.10110.85412.78556.13324.05814.56243.31414.8916.59139.55918.58513.16535.80110.9530.9224.78819.23416.2041.7451.14740.87523.09715.7260.31731.132
 us-gaap:ProfitLoss dei:LegalEntity etr:SystemEnergy▇▅▂▇▆▆▆▅▅▅▅▅▅▅▄▄▄▄▅▅▅▆▅▄▅▆▆▅█▆▆▄▇█▆▁▂▄▄▄▅30.3323.86410.56331.06428.99128.51326.03925.03124.47223.57825.44222.97223.38722.30818.31620.58319.3520.34723.32622.3725.0925.95825.22321.8625.53326.7325.93124.61935.10527.73428.00619.34630.61635.36826.5368.61214.26321.98619.33619.2722.299
 us-gaap:ProfitLoss dei:LegalEntity,us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents etr:EntergyLouisiana,us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedDefinedBenefitPlansAdjustment▁▆█▇█▆████▆▆▆▆▅▅▅▅▅▅▅▅▄▄▄▅▅▅▁▁▁-0.5880.4070.9090.80.9450.5830.9690.9690.9690.9690.5010.50.5010.5010.370.370.310.370.2310.2320.230.2630.0260.0260.0420.2870.2870.302-0.684-0.683-0.678NANANANANANANANANANA
 us-gaap:ProfitLoss dei:LegalEntity,us-gaap:StatementEquityComponents etr:EntergyLouisiana,etr:MemberSEquity▁█143.927166.626NA223.466170.459189.396NA255.26183.084127.633161.354218.308184.358111.593-88.794186.284124.47994.37867.61189.506253.325111.606119.075.01872.264123.82169.66758.378100.59761.37745.37636.86480.208130.71433.29520.798337.72475.10340.298NANA
 us-gaap:ProfitLoss dei:LegalEntity,us-gaap:StatementEquityComponents etr:EntergyTexas,us-gaap:RetainedEarnings▁█44.7950.058NA92.16446.86832.707NA73.22438.93621.34248.2565.84630.78917.354.6339.58821.10110.85412.78556.13324.05814.56243.31414.8916.59139.55918.58513.16535.80110.9530.9224.78919.23416.2031.7451.14740.87523.09715.7260.31731.132
 us-gaap:ProfitLoss dei:LegalEntity,us-gaap:StatementEquityComponents etr:SystemEnergy,us-gaap:RetainedEarnings█▁30.3323.864NA31.06428.99128.513NA25.03124.47223.57825.44222.97223.38722.30818.31620.58319.3520.34723.32622.3725.0925.95825.22321.8625.53326.7325.93124.61935.10527.73428.00619.34630.61635.36826.5368.61214.26321.98619.33617.2724.299
 us-gaap:ProfitLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome▂▃▂▃▃▅▃▂▂▄▁▂▂▂▄▃▃▄▄▃▄▆▅▅▃▃▃█▃▂▂-21.1347.481-5.088-2.96717.05256.975-2.692-7.472-5.55529.024-43.984-29.09-18.346-6.74132.9594.60919.36626.54929.15720.81827.92194.21451.37351.4348.6546.33-2.388140.7285.742-6.489-10.386NANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedDefinedBenefitPlansAdjustment▃▂▅▅▅▄▄▁██▆▆▆▅-22.098-22.967-17.398-17.437-17.224-19.55-20.036-25.464-11.496-11.55-16.037-15.265-15.565-16.574NANANANANANANANANANANANA-3.45912.696NA-9.779-9.795NANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges▃▅▃▄▅█▄▄▃▆▁▂▃▁0.20831.06210.48511.59430.29674.55616.09314.9134.37740.738-23.86-8.3972.087-23.861NANANANANANANANANANANANA-0.501126.298NA2.433-1.586NANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:StatementEquityComponents us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome,us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss▂▂▂▂▃▂▂▃▂▂▁▁▁█▇▂▆▂▂▂▃▂▃▄▄▂▂▂▂▂▂0.756-0.6141.8252.8763.981.9691.2513.0791.564-0.164-4.087-5.428-4.86833.69429.3342.23522.1742.045-0.4081.6723.0611.9633.2068.7728.6551.0151.5721.734-0.6530.8570.995NANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:StatementBusinessSegments etr:Eliminations█▁-31.898-31.899NANA-31.898-31.899NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ProfitLoss us-gaap:StatementBusinessSegments etr:EntergyWholesaleCommodities▆▇▇▇▇▇█▇▇▇▆█▇▇▆▇█▇▁▇█▇▄▇█▇▇█▇▇▇▇█▇▇██▇███-274.64838.124-68.28630.77385.178-110.428217.674-140.501-25.38297.079-372.097105.571-56.337-17.779-424.7955.765223.886-27.197-1831.7758.221250.87479.557-1031.41-3.545123.432-32.67826.463242.47-92.82811.53182.1148.857118.76681.317-168.512172.19130.86265.556123.233150.602143.721
 us-gaap:ProfitLoss us-gaap:StatementBusinessSegments etr:Utility▅▅██▅▅▅█▅▄▆▇▆▄▁▆▄▃▃▆▆▄▆▄▄▅▄▄▅▄▃▅▅▅▂▃▇▄▃▃▅329.936360.6588.021555.583348.902323.849274.78581.964334.752234.147390.983507.745378.394217.94-44.59403.733246.382167.623123.382447.782380.317199.651364.265204.035227.75315.263212.134205.44352.303200.555127.835284.078300.506308.52567.212174.012528.459252.741168.653118.634337.941
 us-gaap:ProfitLoss us-gaap:StatementBusinessSegments us-gaap:AllOtherSegments▆▅▃▅▅▄▄▅▅▅▅▅▅▅▇▆▆▆▆▅▆▆▆▆▆▆▆▆▇▆▆█▅▇▆▁▆▇▆▆█-24.784-27.68-95.288-28.758-37.069-58.228-70.95-40.105-36.939-40.682-49.309-41.601-41.299-32.06325.594-25.956-25.001-22.477-25.245-30.901-26.703-12.067-19.19-14.87-16.354-14.793-17.614-15.46211.102-17.636-16.57235.31-50.2077.136-18.405-158.5311.39329.946-10.563-8.28445.432
 us-gaap:ProfitLoss us-gaap:StatementBusinessSegments us-gaap:IntersegmentEliminationNANANA-31.899-31.898-31.899-31.899-31.899-31.898-31.898-31.899-31.897-31.898-31.898-31.925-31.898-31.899-31.898-31.9-31.898-31.898-31.899-31.898-31.898-31.899-32.876-26.702-26.395-26.395-26.395-26.395-26.395-26.395-26.395-27.035-27.645-27.645-27.645-27.645-27.646-29.193
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents etr:SubsidiariesPreferredStock▄▄4.584.58NA4.584.584.58NA4.2194.1094.1093.5773.4393.4393.4393.4033.4463.4463.4463.5295.0345.2765.2764.7939.7590.0-9.7774.8984.8794.3324.3335.5825.5825.5825.5834.9435.8875.0155.0165.015NANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁█-5.974334.565NA521.119360.533118.714NA365.24236.424254.537-65.899536.379245.421132.761-479.114398.198409.92382.605-1769.067388.169567.314229.966-723.027148.842298.05230.037189.383401.174239.85163.723161.4296.268337.087365.001-151.683154.139628.054315.583248.663228.291492.887
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▃▃▅▄▅▃▅▅▅▅▅▅▅▅▅▅▆▆▆█▁▆▇▇▆▆▇▆▇▇▄▆▆▆▅▇▅▆▇▆-1312.953-1513.272-1516.424-1057.689-1152.706-1045.487-1485.316-999.925-1074.043-950.958-1105.506-1070.789-955.254-974.438-1013.327-1057.518-958.404-811.8-867.556-716.254-388.211-1878.027-816.283-670.212-699.879-777.781-735.061-655.599-752.602-643.414-661.76-1316.57-823.021-750.931-749.275-1051.35-567.78-930.898-896.825-579.479-821.843
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity etr:EntergyArkansas▆▆▆▄▅▅▆▅▆▆▇▅▄▆▆▄▅▅▆▅▅▁▅▆▆▆▇▆▇▆▆▁▆▇█▆▇▆▇▅█-164.095-162.611-160.97-233.875-210.313-190.551-169.617-185.646-160.069-160.961-114.39-182.103-230.89-161.344-161.471-249.52-211.224-207.097-173.785-196.784-182.32-395.106-218.59-138.65-138.537-153.852-78.118-169.864-122.746-152.609-159.889-398.592-169.422-102.088-53.146-144.413-107.478-141.51-110.123-181.982-75.341
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity etr:EntergyLouisiana▃▁▃▆▆▆▅▆▅▅▄▅▇▄▅▅▅▅▆▆█▂▇▇▇▅▆▇▆▇█▆▆▇▇▇▇▆▆█▄-738.257-1098.466-847.852-364.734-358.846-373.239-393.611-339.365-479.266-441.392-594.364-445.642-224.252-613.95-408.044-479.155-428.199-472.011-335.64-278.51912.855-872.761-101.452-112.526-124.76-391.673-272.442-158.927-229.609-164.767-55.482-331.05-308.489-113.378-97.949-111.68-121.276-320.747-257.5-55.25-630.562
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity etr:EntergyMississippi▆▆▆▆▆▆▁█▅▇▆▇▆▇▆▆▆▇▇▆▇▇▇▇▇▇█▇▇▇█▄█▇▇▇█▇█▇▇-160.658-162.802-155.784-113.381-157.982-103.615-457.377-4.616-217.315-54.376-151.288-85.816-106.081-76.268-116.26-115.279-105.996-79.691-44.63-116.573-67.063-61.178-47.41-45.214-42.34-52.582-26.443-49.87-37.296-49.85-22.123-266.962-36.107-44.569-43.489-42.684-32.476-41.088-35.582-62.19-40.966
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity etr:EntergyNewOrleans▆█▆▆▆▆▆▆▆▆▅▆▆▇█▆▇▆▇▇▇▁▅▇▇▇▇▇█▆▇▇▇▇▇▇▇▇▇▇▇-63.53514.875-51.28-57.013-43.861-68.691-67.493-58.101-41.933-36.783-74.383-62.148-39.512-31.5737.204-67.699-8.254-40.751-31.737-32.908-15.65-242.386-96.939-18.253-18.297-17.163-17.312-14.79421.78-71.381-31.945-33.502-20.139-17.271-7.128-3.01.153-28.119-16.053-12.423-8.912
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity etr:EntergyTexas▅▂▃▃▂▂▁▃▂▄▄▅▆▇▄▆▆▆▆▆▆▆▆▆▇▇▇█▇▆█▆█▇█▆▆▇█▇█-126.609-223.696-191.221-192.632-232.145-232.65-275.203-200.426-238.729-163.922-162.123-108.925-72.796-52.129-154.594-87.653-71.342-69.587-78.825-71.883-91.426-88.057-64.433-80.52-57.511-50.637-53.172-19.764-28.144-88.763-13.118-63.386-5.547-37.706-22.265-99.101-69.915-42.98-7.787-44.67-15.805
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity etr:SystemEnergy▅▅▅▆▄▄▃▇▄█▃▆▄▄█▂▆▅▅▅▆▂▆▆▅▆▄▃▅▇▅▆▃▃▁▃▇▄▃▅▅-63.24-23.437-27.176-21.554-78.181-79.532-135.44929.373-84.18670.709-116.588-10.617-73.0-85.95685.348-193.615-0.915-65.068-39.331-25.522-8.649-159.1-11.15-14.714-35.153-18.147-66.843-119.532-40.45329.802-49.23910.619-141.671-152.966-218.619-134.07542.052-103.904-115.47-49.473-35.632
 us-gaap:PaymentsToAcquirePropertyPlantAndEquipment dei:LegalEntity,us-gaap:PropertyPlantAndEquipmentByType etr:EntergyLouisiana,etr:WashingtonParishEnergyCenterNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PaymentsToAcquireProductiveAssets dei:LegalEntity,us-gaap:PropertyPlantAndEquipmentByType etr:EntergyLouisiana,etr:WashingtonParishEnergyCenterNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PaymentsToAcquireProductiveAssets dei:LegalEntity,us-gaap:PropertyPlantAndEquipmentByType etr:EntergyTexas,etr:HardinCountyPeakingFacility36.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂██▄▃▇▄▄▄▆▃▅▃▆▄▃▅▄▃▃▂▆▃▂▃▃▂▃▂▄▃▄▄▃▄▃▃▃▃▁▂-538.9341546.3941716.159440.026-164.9061424.538256.527254.99174.555952.2972.757466.40239.915841.368337.56-223.754519.547177.6251.66227.274-426.61085.896-64.773-327.367-152.559-166.704-284.7657.799-276.288119.96-152.639379.015257.793-238.306139.649-240.475-127.9880.3835.787-818.048-279.505
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity etr:EntergyArkansas▄▄▁█▄▅▄▄▃▅▄▄▇▄▄▄▅▄▄▃▄▆▄▄▄▄▃▅▃▆▄▅▄▄▄▃▃▄▄▅▄92.3812.69-392.672604.285-1.963114.85-5.0877.714-145.316144.61643.48734.827416.33-23.839-20.78270.517177.20632.522-11.828-45.01459.563280.13744.859-27.032-29.39739.33-134.961182.835-61.903339.033-33.113219.3064.64-23.06525.184-65.132-70.13416.087-24.924121.869-17.65
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity etr:EntergyLouisiana▂▇█▂▃▅▃▃▃▅▃▄▁▆▃▃▄▃▄▃▂▆▃▃▃▃▃▃▃▃▃▄▄▃▃▂▃▄▄▂▄-230.691026.861364.297-233.623-55.803522.828-5.987-66.552-74.795523.608-27.761270.091-564.158812.289-21.941-74.026382.138-14.25294.444-138.796-341.873801.126-148.05-30.519-36.477-126.411103.1656.36650.26-5.514-34.525166.205254.855-31.03242.348-172.108-23.926170.926234.593-226.685230.442
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity etr:EntergyMississippi▅▇▅▄▆▅█▂█▄▄▄▄▅▅▅▅▅▁█▅▄▄▄▄▄▃▆▄▄▄█▄▄▄▄▄▄▆▄▄16.628185.18912.723-1.616148.98618.772273.529-153.366279.9018.315-12.161-25.363-9.86379.31625.03639.13143.712.036-257.12251.38714.883-0.757-4.46-33.252-0.749-25.782-95.93694.994-51.573-4.84-34.044245.889-0.707-0.737-2.77-14.727-12.726-9.87988.3669.667-22.138
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity etr:EntergyNewOrleans▃▄▄▃▃▇▄▃▄▃▃▄▄▃▂▃▃▃▃▃▃█▄▃▃▃▃▃▁▅▄▄▃▄▃▃▃▃▃▃▂6.64714.82533.3474.863-6.051118.67135.3139.7628.5951.378-10.31128.65411.288-6.857-46.902-12.438-17.416-11.868-15.472-7.376-0.515155.02536.733-0.248-7.566-3.588-0.253-0.26-70.77773.70624.78112.792-3.65611.05.372-14.506-15.883-7.765-5.906-16.343-46.868
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity etr:EntergyTexas▂▂█▃▂█▃▆▅▄▂▂▂▂▅▃▂▂▂▂▂▃▂▃▂▂▁▂▁▂▂▁▂▁▂▂▃▂▂▂▂-21.793.989358.71126.722-18.763342.3283.996222.853154.121143.4447.606-18.175-15.212-25.456160.16327.533-0.4983.914-26.24-7.234-15.4176.473-18.97134.192-23.743-19.019-66.08-23.481-42.427-11.372-21.947-39.89-29.346-55.636-22.358-9.73830.784.634-14.783-9.084-35.278
 us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity etr:SystemEnergy▂▂█▂▂▃▂▂▂▂▃▃▃▃▂▂▃▃▃▂▁▄▂▁▂▂▂▃▂▃▂▁▃▃▃▂▂▂▂▂▂-23.458-57.563562.476-41.186-38.45243.002-35.808-43.308-62.813-65.81-12.04-2.415-4.31112.097-34.921-107.043-7.577-6.163-13.148-19.577-172.395110.985-36.593-159.494-51.837-57.533-17.295-9.075-76.76331.485-111.456-142.19554.2827.91149.106-55.335-24.493-37.442-80.629-25.077-65.305
us-gaap:ProceedsFromIssuanceOfLongTermDebt ▃▇█▆▄▆▄▄▄▆▅▄▂▅▂▁▂▁▃▃▂▅▃▁▁▁▁▂▂▃▂▃▂▁▂▃▁▂▁▃▄1332.0883676.2424448.5942969.5972005.6653195.3452170.8251742.0241947.3173444.232431.4052244.938853.4672505.726586.784186.077800.331236.1981292.0971651.693986.962869.8081340.25377.569488.065435.455478.917753.244952.1311409.149564.7171188.867964.332290.2171034.9451455.247460.454663.736411.4441598.471746.435
us-gaap:RepaymentsOfLongTermDebt ▅▄█▅▆▅▅▅▆▇█▅▆▃▂▂▁▃▄▃▅▆▃▃▃▂▂▃▄▄▃▄▃▂▃▅▂▂▂▆▄1554.3941346.1722766.1511793.3081978.3411614.5781759.6661645.2191915.642298.8552783.9181612.6891835.131734.0362.766356.57854.647811.691081.725809.4031516.5261903.67910.46699.4685.258310.962488.939735.7941096.1151160.251849.861101.217829.09340.278859.6481489.971391.461277.856278.0842064.21339.155
us-gaap:PaymentsOfDividendsCommonStock ███▇▇▇▇▆▅▅▄▃▃▃▃▃▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂190.629190.595190.221186.207186.151185.763185.165180.956172.861172.591164.839161.044160.934160.887160.489156.187156.136156.073155.842152.15152.004151.839149.009149.002149.257149.08148.953148.275147.977149.152147.902147.917147.551147.067146.674146.315146.935147.677148.678150.171154.887
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2.7032.72.72.72.72.72.72.72.72.6162.6162.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.5482.548
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockValue dei:LegalEntity

etr:SystemEnergy


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value951951951601601601601601601601601601601601658679679679679679679719719789789789789789789789789789789789789789789789789789789789
Percentage of CommonStockValue35214.635253.735253.722290.722290.722290.722290.722290.722290.723006.523006.523620.523620.523620.525837.926662.126662.126662.126662.126662.126662.128231.928231.930979.230979.230979.230979.230979.230979.230979.230979.230979.230979.230979.230979.230979.230979.230979.230979.230979.230979.230979.2
Percentage of Assets1.71.61.61.11.11.11.21.21.21.21.21.21.31.31.41.51.51.51.51.41.51.61.61.81.71.71.71.81.81.81.81.81.81.81.81.91.91.91.92.02.02.0
Percentage of Assets etr:SystemEnergy21.722.221.614.814.915.215.115.415.515.515.614.914.815.216.717.217.017.117.317.717.818.219.321.021.621.020.621.821.721.822.323.123.122.421.822.222.723.224.325.925.624.5

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value200201201200200200194192183182181180180179179179178179180180180180179178178178177177177177178180083187190191
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value200200200200199198193189181180180179179179179178178179179179179179178178178178177177176176177178834185188189202
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-0.031.671.952.61.80.591.961.841.221.34-0.372.961.360.73-2.672.222.280.46-9.892.173.171.290.56-4.040.831.660.671.281.062.240.821.350.920.911.671.92.06-0.860.883.551.771.391.272.651.671.131.662.351.161.22
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-0.031.661.932.591.790.591.941.821.221.32-0.362.921.340.73-2.662.212.270.46-9.862.163.161.280.56-4.040.831.650.661.271.052.240.821.340.920.91.671.892.06-0.860.883.531.761.381.262.621.651.121.642.321.141.2
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:AllocatedShareBasedCompensationExpense

etr:OtherEquityAwards


Allocated
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
Value9.7108.99.69.48.48.48.88.58.78.87.68.28.2
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.40.30.40.40.30.30.30.30.30.30.20.30.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:OtherEquityAwards0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EmployeeStockOption


Allocated
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value1.01.01.01.01.00.91.01.01.11.11.11.11.11.11.11.11.1
Percentage of AllocatedShareBasedCompensationExpense10.39.311.210.410.610.711.911.412.912.612.514.513.413.40.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EmployeeStockOption0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value152833295193701663573753572679.054517193211-614.323457451128-1842.174435528250226-794.0091612805721922542536127019315013927525550124564307219
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.610.013.917.915.46.914.512.013.410.20.416.77.27.8-23.414.117.35.00.013.921.59.60.0-23.66.09.60.06.37.513.30.08.17.15.80.09.310.22.10.016.611.08.6

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2028733352337517136238036127112521196215-610.92460455131-1838.645440533256231-789.2151662856222423043036527419715614528126155129569312224122601203379
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.710.114.118.015.67.114.712.113.610.40.516.87.47.9-23.314.217.45.10.014.121.79.80.0-23.46.19.80.06.57.713.40.08.27.26.00.09.510.42.30.016.811.28.80.018.10.00.0

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest dei:LegalEntity

etr:EntergyLouisiana


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value144166491222169198139254182126213217183111-85.70218512494761892531112031187472161236958791016246288013133-329.04433875413894
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest709.357.7147.142.545.1116.138.466.950.446.71687.541.893.551.614.040.427.371.2-4.243.047.443.587.8-15.145.025.326.255.130.113.521.836.831.429.419.528.750.361.3-253.359.324.118.331.215.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.15.820.77.77.08.25.78.16.84.98.57.06.94.1-3.35.74.73.60.06.110.34.30.03.52.82.50.03.62.31.80.03.02.31.80.02.75.21.40.010.02.71.60.02.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana11.415.048.719.916.821.414.120.616.513.221.618.117.110.8-8.214.411.510.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold dei:LegalEntity, us-gaap:ProductOrService

us-gaap:CostOfGoodsAndServicesSold

etr:EntergyArkansas, us-gaap:ElectricityPurchased


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value61704157424648614847575864713763
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.22.51.82.01.71.92.01.91.81.82.31.92.42.61.42.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas us-gaap:ElectricityPurchased0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyLouisiana, us-gaap:ElectricityPurchased


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value186209121160153160132197223257223218266251184273
Percentage of CostOfGoodsAndServicesSold303.7299.0291.0277.9364.7349.1274.4323.9461.9546.8390.2374.6411.2349.8490.7431.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.67.45.15.56.46.65.46.38.49.98.97.010.09.27.08.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana us-gaap:ElectricityPurchased0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyMississippi, us-gaap:ElectricityPurchased


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value636862685652617873717510497879290
Percentage of CostOfGoodsAndServicesSold104.097.7150.1118.6134.4114.3126.6128.2152.7151.8131.0180.0149.8121.5245.2142.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.32.42.72.42.32.22.52.52.82.73.03.43.63.23.52.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi us-gaap:ElectricityPurchased0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyNewOrleans, us-gaap:ElectricityPurchased


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value57686266575662686660555773836179
Percentage of CostOfGoodsAndServicesSold93.097.8148.6116.1137.5122.6129.8111.5138.7128.997.499.3113.8115.5164.0124.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.02.42.62.32.42.32.52.22.52.32.21.92.83.12.32.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans us-gaap:ElectricityPurchased0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyTexas, us-gaap:ElectricityPurchased


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value128141127139124119138151171140150153150159136163
Percentage of CostOfGoodsAndServicesSold209.4201.3303.9241.7294.9260.2287.4248.8354.4299.3261.6264.0232.2221.9362.3257.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.65.05.44.85.24.95.64.86.45.46.05.05.65.95.25.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas us-gaap:ElectricityPurchased0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService

us-gaap:ElectricityPurchased


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value252379210264211216191316345339406439417396245408
Percentage of CostOfGoodsAndServicesSold410.7540.8503.3459.9502.6470.5396.4518.0716.3721.5708.4754.8643.2550.2654.0643.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.913.38.99.18.88.97.810.113.013.016.214.215.614.59.412.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ElectricityPurchased0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2653233622172125197320272213262023272326274128332577238823702484
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax94.082.193.673.281.883.589.983.487.389.1109.191.396.687.790.376.6

us-gaap:CostsAndExpenses dei:LegalEntity

etr:EntergyArkansas


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value440463457426383414450505473503529533468484477499
Percentage of CostsAndExpenses16.619.820.620.119.420.420.419.320.321.619.318.818.220.320.120.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.616.319.314.715.917.118.316.117.719.321.117.217.517.818.215.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas80.079.50.066.278.085.90.073.587.192.20.093.994.687.90.00.0

etr:EntergyLouisiana


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1040867890795755763823894864805839970922888828991
Percentage of CostsAndExpenses39.237.140.137.438.337.737.234.137.234.630.634.235.837.235.039.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.930.537.627.431.331.533.428.532.430.933.431.234.632.631.630.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana82.178.388.471.074.782.183.472.778.284.085.080.486.086.379.276.9

etr:EntergyMississippi


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value265285266262230252298311257251274322417274256264
Percentage of CostsAndExpenses10.012.212.012.411.712.513.511.911.010.810.011.416.211.510.810.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.410.011.29.09.510.412.19.99.69.610.910.415.610.19.88.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi75.984.90.073.777.386.00.078.284.989.10.087.7118.086.90.00.0

etr:EntergyNewOrleans


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value165159142149139137146165158147143178150170159165
Percentage of CostsAndExpenses6.26.86.47.07.16.86.66.36.86.35.26.35.87.16.76.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.95.66.05.25.85.76.05.35.95.65.75.85.66.36.15.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans92.794.392.082.294.891.996.085.190.090.195.589.284.390.592.583.0

etr:EntergyTexas


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value363405334386315303317373327323369377344307335353
Percentage of CostsAndExpenses13.717.315.118.216.015.014.414.214.113.913.513.313.412.914.114.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.914.214.113.313.112.512.911.912.312.414.712.212.911.312.810.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas84.384.40.078.184.889.40.084.390.195.10.079.185.588.20.00.0

etr:SystemEnergy


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value103121889994951181161141081099689117115117
Percentage of CostsAndExpenses3.95.24.04.74.84.75.44.44.94.74.03.43.54.94.94.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.74.33.83.43.93.94.83.74.34.24.43.13.34.34.43.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:SystemEnergy0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-19.8140510367545452146398241301-579.211256-31.736179154643
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.714.24.423.318.82.15.912.79.111.6-23.18.3-1.26.65.919.8

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity

etr:EntergyArkansas


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value71112-8.65418479374.7881563816-108.466170.7645-6.436151
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-361.427.8-8.327.317.572.83.339.315.85.418.76.9-2.425.4-4.223.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.54.0-0.46.33.31.60.25.01.40.6-4.30.60.01.7-0.24.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas13.019.30.028.616.27.90.022.87.03.00.03.10.28.30.00.0

etr:EntergyLouisiana


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value17020481272206139137310221144137221129133202280
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-858.650.578.840.445.4267.293.877.891.547.8-23.786.2-407.274.1131.343.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.07.23.49.48.65.75.69.98.35.55.57.14.84.97.78.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana13.418.58.124.420.415.013.925.220.015.013.918.312.013.019.421.7

etr:EntergyMississippi


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value653316765024257233181234-76.261293474
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-332.18.216.211.311.146.917.318.313.96.3-2.113.5240.316.622.411.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.31.20.72.62.11.01.02.31.30.70.51.1-2.91.11.32.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi18.89.90.021.416.98.30.018.311.16.70.09.4-21.69.40.00.0

etr:EntergyNewOrleans


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value6.4362.687.92253.2118.4460.539251412-3.7851723138.12629
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-32.50.77.63.80.716.20.46.55.94.00.76.9-72.97.55.34.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.30.90.10.30.00.80.50.5-0.20.60.90.50.30.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans3.61.65.114.02.25.70.413.38.27.4-2.58.913.07.24.714.7

etr:EntergyTexas


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value48553610349281559273.261-8.5318239221561
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-246.913.635.415.310.954.710.515.011.21.11.532.2-124.412.49.99.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.71.91.53.62.01.20.61.91.00.1-0.32.71.50.80.61.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas11.411.50.020.913.38.40.013.57.51.00.017.39.86.40.00.0

etr:SystemEnergy


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value39139.381393633313022290.709-2.77218293636
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-198.43.39.05.98.065.121.77.69.49.9-0.1-1.1-58.416.723.65.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.40.50.41.41.51.41.31.00.91.10.0-0.10.71.11.41.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:SystemEnergy0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments dei:LegalEntity, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

etr:EntergyLouisiana, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-0.7960.5511.2331.0821.2790.7881.311.3111.3111.3110.6780.6770.6780.6770.6010.6020.6020.6020.3760.3770.3740.378-2.8180.0420.0430.0430.4670.4660.4670.466-0.825-1.226-1.225-1.225
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.00.10.00.10.00.10.00.00.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.0-0.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312014-06-302014-03-312013-06-302013-03-31
Value-28.329-29.281-21.985-22.134-21.937-23.599-25.505-32.224-14.573-14.799-20.37-19.391-19.79-21.142-5.281-5.065-15.664-15.664
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments3558.9-5314.2-1783.0-2045.7-1715.2-2994.8-1946.9-2458.0-1111.6-1128.8-3004.4-2864.3-2918.9-3122.9-1130.8-1086.91278.71278.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.0-1.0-0.9-0.8-0.9-1.0-1.0-1.0-0.5-0.6-0.8-0.6-0.7-0.8-0.2-0.2-0.6-0.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312014-06-302014-03-312013-06-302013-03-31
Value0.264391314259420185.54151-30.203-10.6292.642-30.204-0.7711943.91-2.522
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments-33.27135.91076.41356.41957.611976.51555.01439.9422.73933.4-4454.7-1570.0389.7-4461.4-165.141696.4-319.2205.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.01.40.60.51.03.90.80.60.22.0-1.2-0.30.1-1.1-0.06.10.1-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-18.41665-288.87214989-71.194-243.255291.45842-516.889-283.006-280.59643630241-337.1127.763-966.138257-248.973139-525.515-367.6659915082161128216112473116-79.285232-122.201-0.16290-119.13115016481184203147
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.72.3-12.25.13.7-2.9-9.90.90.11.6-20.6-9.1-10.51.624.07.5-12.90.30.08.3-10.15.40.0-10.93.75.20.04.74.36.80.00.72.74.50.07.8-4.9-0.00.0-3.55.46.50.05.50.00.0

us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity

etr:EntergyArkansas


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1419-13.2784819-6.683-19.047.126-12.157-22.698-113.472-111.266-81.7969.467-0.78859241110622212-17.99136146.694-4.461442221-9.2445631131.833562511106834182.1255838
Percentage of IncomeTaxExpenseBenefit-81.429.54.632.321.99.47.824.4-833.8-53.122.039.329.221.7-0.124.4-7.1147.2-1.024.2-9.19.13.4-10.015.04.4-5.427.617.39.8-78.5229.742.411.7-2.324.1-20.6-7261.111.9-57.722.811.52.631.518.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.7-0.61.70.8-0.3-0.80.2-0.5-0.9-4.5-3.6-3.10.3-0.01.80.90.40.02.00.90.50.01.10.60.20.01.30.70.70.01.71.10.50.01.91.00.50.02.01.20.70.01.70.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas2.73.30.07.54.0-1.40.01.0-2.2-4.20.0-19.6-16.51.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyLouisiana


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2637-417.3384935-50.18311543816-24.1812.944-55.122212919456422599-85.0949586234235.1114426209.816392012-0.94542-172.9692.364-15.69-391.518279.987-8.5593227
Percentage of IncomeTaxExpenseBenefit-142.157.3144.533.040.370.5-4.8188.22634.138.74.7-1.019.649.846.338.9-16.8552.9-2.638.634.235.5-11.2-17.034.615.36.227.420.69.483.3159.428.610.31.218.3141.5-1459.3-17.4328.617.96.1-10.617.613.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.91.3-17.61.71.5-2.10.51.81.40.6-1.00.1-2.10.811.12.92.21.70.03.2-3.51.90.01.91.30.80.01.30.90.60.01.20.80.50.01.4-6.90.10.0-11.51.00.40.01.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana2.13.4-41.44.43.5-5.41.24.53.51.7-2.40.2-5.12.127.97.35.24.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyMississippi


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value147.425-3.7717111.8863.752167.0233.441-2.058-16.156-114.5036.944162817117.8122915114.996231716182.19617176.07921138.3652118125.847-14.04819139.325111716
Percentage of IncomeTaxExpenseBenefit-78.111.31.311.812.8-2.6-1.557.0481.78.00.45.740.815.92.611.7-5.1153.8-0.811.4-6.37.9-1.0-6.417.310.722.91.413.77.851.689.318.37.2-27.28.0-10.4-3609.3-15.6-16.79.05.714.19.48.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.3-0.20.60.50.10.20.50.30.1-0.1-0.5-4.30.30.60.90.70.50.00.90.60.40.00.70.60.60.00.10.60.50.00.70.50.30.00.60.50.20.00.60.50.40.00.50.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi4.12.20.05.03.80.60.04.22.31.20.0-4.4-32.42.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyNewOrleans


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1.8050.909-5.8536.104-1.718-2.74-5.1560.921.3683.054-6.379-3.5614.8752.6297.962108.3176.282-0.996139.56.6031.915115.4665.821-2.4757.7013.2753.823-2.0274.248-0.326-0.2770.9646.168-0.0990.207-8.822144.6265.1891.1878.21.079
Percentage of IncomeTaxExpenseBenefit-9.81.42.04.1-1.93.82.13.293.87.11.21.3-1.76.01.34.4-2.580.90.15.3-3.84.7-0.4-3.25.53.9-3.04.82.51.8-17.217.3-0.4-0.2-1.22.70.1-127.8-9.8-12.53.13.21.54.40.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.0-0.20.2-0.1-0.1-0.20.00.10.1-0.3-0.10.20.10.30.30.30.20.00.40.40.30.00.30.20.20.00.20.10.10.00.1-0.0-0.00.00.2-0.00.00.00.40.20.20.00.20.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans1.00.5-3.83.4-1.2-1.8-3.40.50.81.9-4.2-1.82.71.44.65.44.73.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyTexas


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value4.1114.99-6.632112.576-4.208-10.515-13.504-11.796-18.081-56.781168.6864.94810227.4728.2416.42631158.903-3.977239.428.2955.92223118.503-1.915217.3462.9776.57112111.9882.13623149.597-0.2631913
Percentage of IncomeTaxExpenseBenefit-22.37.62.37.62.95.94.3-46.2-809.1-42.311.0-6.0-3.111.31.79.2-2.2106.2-0.712.3-6.46.40.8-6.49.45.57.214.49.33.9-16.388.410.02.6-8.35.6-9.5-1227.22.4-19.89.45.8-0.310.56.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.2-0.30.40.1-0.2-0.4-0.4-0.4-0.7-2.30.50.30.20.40.70.30.30.01.00.60.30.00.70.30.30.00.70.40.30.00.60.30.10.00.40.50.10.00.70.50.40.00.60.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas1.01.00.02.30.7-1.20.0-3.0-3.2-5.30.03.52.21.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:SystemEnergy


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value8.969-10.571-1.1828.87.4965.4295.7165.226-1.7276.134-24.733-25.744-4.8487.6518161717161817181.92418161523201918201018193220101327201313141213
Percentage of IncomeTaxExpenseBenefit-48.7-16.00.45.98.4-7.6-2.317.9-118.414.34.89.11.717.52.96.8-5.2231.7-1.77.2-7.013.3-0.4-5.216.910.229.012.815.58.7172.943.925.616.3-40.88.9-8.5-8448.130.6-17.09.08.317.76.96.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.3-0.4-0.00.30.30.20.20.2-0.10.2-1.0-0.8-0.20.30.70.50.70.70.00.60.70.70.00.60.60.50.00.60.70.60.00.30.70.70.00.70.40.60.00.60.50.50.00.40.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:SystemEnergy0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

etr:EntergyLouisiana, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value-0.2080.1440.3240.2820.3340.2050.3410.3420.3420.3420.1770.1770.1770.1760.2310.2320.2920.2320.1450.1450.1440.115-1.0930.0160.0170.0010.180.179-0.18-0.164-0.2420.5420.542
Percentage of IncomeTaxExpenseBenefit1.10.2-0.10.20.4-0.3-0.11.223.50.8-0.0-0.1-0.10.40.00.1-0.13.0-0.00.1-0.10.10.2-0.00.00.00.20.1-0.1-0.1-2.12.20.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.0-0.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeTaxExpenseBenefit us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-6.231-6.314-4.587-4.697-4.713-4.049-5.469-6.76-3.077-3.249-4.333-4.126-4.225-4.568
Percentage of IncomeTaxExpenseBenefit33.8-9.61.6-3.1-5.35.72.2-23.1-211.0-7.60.81.51.5-10.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.2-0.1-0.2-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0568.2572.7873.082-5.258194.2783.9641.16410-6.343-2.2320.555-6.343
Percentage of IncomeTaxExpenseBenefit-0.312.5-1.02.1-5.9-27.8-1.813.679.825.31.20.8-0.2-14.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.30.10.1-0.20.80.20.10.00.4-0.3-0.10.0-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.44-0.3581.0631.6742.3171.1470.731.7930.911-0.095-2.38-3.161-2.83419
Percentage of IncomeTaxExpenseBenefit-2.4-0.5-0.41.12.6-1.6-0.36.162.5-0.20.51.11.044.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.00.00.10.10.00.00.10.0-0.0-0.1-0.1-0.10.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeTaxExpenseBenefit us-gaap:StatementBusinessSegments

etr:EntergyWholesaleCommodities


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-71.69615981224-30.54-187.058-30.855-9.2965-102.143-135.659-30.144-1.07836125-454.944-78.337-1015.6376.115-235.05552-122.717-554.513-3.370362.30319118-12.503-107.337-14.56756713446-90.407126464848330
Percentage of IncomeTaxExpenseBenefit389.323.6-34.28.227.542.976.9-105.7-637.2154.119.847.910.7-2.557.310.6135.0-1009.1105.12.494.437.423.4150.8-3.346.644.11.415.254.8-106.1-437.2-19.948.9-90.014.7-37.855806.813.4-53.842.651.7102.516.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.50.54.20.41.0-1.3-7.6-1.0-0.32.5-4.1-4.4-1.1-0.013.80.8-17.4-3.00.00.2-9.52.00.0-16.4-0.12.40.00.10.73.70.0-3.2-0.52.20.01.21.8-3.80.01.92.33.30.00.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyWholesaleCommodities-48.26.30.05.712.3-9.20.0-10.3-3.215.20.0-35.7-9.8-0.30.06.0-143.4-14.20.01.3-68.310.00.0-106.3-0.810.90.00.43.413.00.0-17.2-2.79.30.05.48.1-16.10.010.011.313.90.04.6

etr:Utility


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value7159-446.69414373-52.949-61.6497121-11.564-407.414-137.035-240.324523342301309864255-3.785107-391.2321981179162172122115251709871-113.574187-124.46199-43.256-158.673139906.62216
Percentage of IncomeTaxExpenseBenefit-387.590.6154.696.182.774.425.3245.51450.6-27.078.848.485.6119.653.195.4-38.81268.7-6.799.11.577.174.4-54.1118.160.675.5106.495.453.0213.1695.7135.361.0143.280.7101.8-61547.5-48.0133.292.154.98.2117.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.52.1-18.84.93.1-2.2-2.52.30.8-0.4-16.2-4.4-9.01.912.87.15.03.80.08.2-0.24.10.05.94.33.10.05.04.13.60.05.13.62.70.06.3-4.94.20.0-4.75.03.50.06.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:Utility2.72.30.05.33.3-2.50.02.50.9-0.50.0-5.0-10.22.30.08.25.74.80.09.6-0.25.20.07.05.24.00.06.05.15.00.06.34.53.50.08.0-6.45.40.0-5.76.24.70.08.1

us-gaap:AllOtherSegments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-18.08-9.35259-6.499-9.062125.452-11.642-10.402-11.573-7.332-10.312-10.128-7.483-65.74-14.415-13.019-12.392-15.236-3.812-10.133-20.205-11.566-12.097-14.717-10.97-16.101-12.726-13.738-16.975-0.818-38.926-11.246-11.475-37.07610-43.958-9.462121-24.537-52.407-10.895-8.641-62.682
Percentage of IncomeTaxExpenseBenefit98.2-14.2-20.5-4.3-10.2-17.3-2.2-39.9-713.4-27.11.43.63.6-17.1-10.4-6.03.9-159.61.6-1.54.1-14.42.23.3-14.7-7.3-19.6-7.9-10.7-7.8-6.9-158.5-15.4-9.846.84.636.05840.7134.520.6-34.7-6.6-10.7-33.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.6-0.32.5-0.2-0.40.50.2-0.4-0.4-0.4-0.3-0.3-0.4-0.3-2.5-0.4-0.5-0.50.0-0.1-0.4-0.80.0-0.4-0.5-0.40.0-0.4-0.5-0.50.0-1.2-0.4-0.40.00.4-1.7-0.40.0-0.7-1.9-0.40.0-1.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AllOtherSegments-58322.6-40660.90.0-25996.0-50344.4111772.70.0-129355.6-520100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-4627.6-1892.3-2230.60.0-4946.1-1139.4-1147.50.01007.7-4360.9-986.70.0-2417.4-5048.8-989.60.0-6455.4

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value189.015-28.7447.52313-23.063-31.786-1.6826.877-13.8441.6254.05518-4.297-1.4922.793.371-18.04415-4.61958267.815.01224652928154.196201876126.7420.0226.45835-2.031-0.0884.457-4.38-0.826.9127-1.385
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.70.3-1.20.30.5-1.0-1.3-0.10.3-0.50.10.10.7-0.2-0.10.10.1-0.70.0-0.12.41.00.00.10.92.30.00.80.50.10.00.62.80.50.00.00.31.50.0-0.00.2-0.20.00.20.00.0

us-gaap:IncomeTaxesPaidNet dei:LegalEntity

etr:EntergyLouisiana


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value5.970.00.0-20.684150.00.00.0-102.1840.00.0-2.973-117.2620.00.0-116.937930.04022176-77.2990.0-9.593-240.9160.0-0.4950.0-29.748-3.177-0.6970.0-37.8220.00.0-3.601-39.4780.0-0.0770.0176.053
Percentage of IncomeTaxesPaidNet-20.80.00.089.7-48.0-0.00.0-0.0-6288.20.00.069.27859.40.00.0648.1612.8-0.068.786.02253.7-1542.30.0-14.6-804.70.0-3.20.0-147.4-16.8-0.90.0-561.00.00.0-10.01943.8-0.0-1.7-0.0-2156.887.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.00.0-0.90.60.00.00.0-4.10.00.0-0.1-4.50.00.0-4.50.00.01.60.90.0-2.30.0-0.30.00.0-0.00.00.0-0.1-0.00.00.00.00.0-0.20.00.0-0.00.00.00.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana0.60.00.0-2.21.50.00.00.0-10.30.00.0-0.3-11.20.00.0-13.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyMississippi


Income
Period End2021-06-302021-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.0-8.045-19.1180.00.00.0-9.9560.00.0-15.087-16.3657.4392.614-6.175582.00.00.597262.60.0-9.442.6583.007-1.9090.901-2.8140.010-8.407220.00.00.015-0.373
Percentage of IncomeTaxesPaidNet0.0-89.2-1176.50.00.0-0.0667.30.00.083.6-106.8-161.14.5-23.4752.139.90.00.988.59.20.0-225.013.215.9-2.57.3-41.70.0163.0-23.4-1087.8-0.00.0-0.0-1862.7-5.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.3-0.80.00.00.0-0.40.00.0-0.60.00.20.1-0.20.00.10.00.00.00.10.0-0.30.00.1-0.10.00.00.00.4-0.40.00.00.00.00.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi0.0-2.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyNewOrleans


Income
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302010-12-31
Value0.060.0-0.411-4.899-39.781-8.660.00.00.0-94.4626.00.02.58.070.00.00.043.9710.90.00.0-1.8730.0-12.9520.046
Percentage of IncomeTaxesPaidNet-0.20.01.3291.3-2448.1580.40.00.0-0.0-616.2-129.90.09.5103.30.00.00.113.33.20.00.0-9.30.0-192.10.0-5711.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.0-0.0-0.2-1.6-0.30.00.00.00.00.20.00.10.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans0.00.0-0.3-2.5-26.4-5.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyTexas


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value10-0.836-5.5394.36.389-2.358140.02.2920.0210.01.0-1.624-19.6610.02.0-3.446250.04.199-0.756570.04.095-0.933-5.4330.2083.5-0.92836-0.044-92.248-1.941-8.2070.06.00.0-13.5380.04.5-4.5433.379
Percentage of IncomeTaxesPaidNet57.1-9.319.357.248.910.2-46.3-0.033.3-0.01317.60.05.437.81317.80.059.319.1163.6-0.07.2-2.9732.40.016.5-1.4-18.10.722.9-22.1182.2-0.2-120.9-15.7-121.70.092.90.0666.6-0.0101.0102.7-5315.748.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.4-0.0-0.20.10.3-0.10.60.00.10.00.90.00.0-0.1-0.70.00.1-0.10.00.00.2-0.00.00.00.2-0.00.00.00.1-0.00.0-0.0-3.4-0.10.00.00.20.00.00.00.2-0.20.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas2.5-0.20.00.91.7-0.70.00.00.60.00.00.00.2-0.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:SystemEnergy


Income
Period End2021-06-302021-03-312020-12-312020-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value0.0393880.0-2.2270.00.00.0-26.9670.010.0-6.598-139.3960.00.025-15.6290.00.05.564-5.879121994.334-52.9350.0-2.853-1.02-100.8890.00.00.029
Percentage of IncomeTaxesPaidNet0.0433.6-1351.00.0149.30.00.0-0.0-175.9-0.017.2-25.0-1784.80.00.038.4-52.20.00.0132.6-29.168.1261.935.1-785.20.0-44.2-2.84967.5-0.00.0-0.0-3578.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.01.416.40.0-0.10.00.00.00.00.00.4-0.30.00.00.00.90.00.00.00.20.00.47.30.20.00.0-0.1-0.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:SystemEnergy0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value213199194196204190187186184183179180177169170166162162164167170164159164159160160155155155156151148147144147139137131127126127138127137171
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.67.08.26.88.57.87.65.96.97.07.25.86.76.26.55.16.26.30.05.46.96.30.04.95.95.50.04.55.24.80.04.55.45.70.05.05.55.80.03.84.55.00.03.80.00.0

us-gaap:InterestExpense dei:LegalEntity

etr:EntergyArkansas


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value343234353434333334313029282733292525242625302324242523222222212222212019192019192020232122
Percentage of InterestExpense16.016.317.717.916.718.117.818.118.717.416.716.616.216.419.517.415.915.614.715.615.018.315.014.715.415.814.414.414.514.313.614.915.114.714.113.514.214.815.115.616.016.117.316.916.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.21.11.51.21.41.41.41.11.31.21.21.01.11.01.30.91.01.00.00.81.01.20.00.70.90.90.00.60.80.70.00.70.80.80.00.70.80.90.00.60.70.80.00.60.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas6.25.60.05.57.07.10.04.96.45.90.05.35.85.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyLouisiana


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value8780777983727171676360626461616262626464686112540414137373536363533332930292827202624252325
Percentage of InterestExpense41.040.039.840.440.638.138.138.236.834.533.734.936.136.236.037.638.638.339.038.840.137.378.625.026.025.923.423.822.923.323.623.522.723.020.320.920.921.020.916.520.819.218.418.718.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.12.83.32.73.43.02.92.32.52.42.42.02.42.32.31.92.42.40.02.12.82.30.01.21.51.40.01.11.21.10.01.11.21.30.01.01.21.20.00.60.91.00.00.70.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana6.97.27.77.18.27.87.25.86.16.66.15.26.06.05.94.95.87.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyMississippi


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1816161616161515141313131313121111111213141414141413131314141314141414131313129.0831312121214
Percentage of InterestExpense8.58.58.68.68.18.48.18.17.87.57.27.27.47.77.17.07.27.47.57.98.58.68.98.68.88.68.58.99.19.19.09.59.710.09.79.39.710.19.87.110.99.68.99.710.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.60.70.60.70.70.60.50.50.50.50.40.50.50.50.40.40.50.00.40.60.50.00.40.50.50.00.40.50.40.00.40.50.60.00.50.50.60.00.30.50.50.00.40.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi5.25.00.04.75.65.50.03.84.74.90.03.53.74.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyNewOrleans


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value6.7956.9136.877.0916.655.4455.3024.9314.9465.0225.0314.7624.8194.9655.0025.0845.1635.1855.1765.2575.9354.2474.0564.3033.2453.3173.2853.1873.2023.1893.2093.5313.3133.1172.8342.652.7242.7622.6782.7012.7122.7412.732.7013.444
Percentage of InterestExpense3.23.53.53.63.22.92.82.62.72.72.82.62.72.92.93.03.23.23.13.13.52.62.52.62.02.12.02.02.12.12.12.32.22.12.01.82.02.02.02.12.12.12.02.12.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.30.20.30.20.20.20.20.20.20.20.20.20.20.20.20.20.00.20.20.20.00.10.10.10.00.10.10.10.00.10.10.10.00.10.10.10.00.10.10.10.00.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans3.84.14.43.94.53.63.52.52.83.13.32.42.72.62.92.62.93.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyTexas


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value202219171818181716191920202120202021202120202021202020202222212221222323222323232221232123
Percentage of InterestExpense9.811.010.19.18.99.69.89.69.210.810.711.411.712.412.112.312.513.012.712.812.012.212.812.813.012.612.813.414.514.214.114.814.615.316.315.716.416.817.518.817.716.917.016.716.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.70.80.80.60.80.80.70.60.60.80.80.70.80.80.80.60.80.80.00.70.80.80.00.60.80.70.00.60.80.70.00.70.80.90.00.80.91.00.00.70.80.80.00.60.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas4.84.60.03.64.95.40.04.04.65.80.04.35.26.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:SystemEnergy


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value9.359.3478.7428.1877.97.8298.087.9958.1149.0089.2559.2388.928.7939.1358.7448.8598.8528.9468.7468.9818.8569.0959.8091112141512149.589.5339.2489.02610126.8828.07212126.17310131311
Percentage of InterestExpense4.44.74.54.23.94.14.34.34.44.95.15.15.05.25.45.25.45.55.45.25.35.45.76.07.47.89.39.78.39.16.16.36.26.17.58.34.95.99.510.04.97.99.810.78.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.30.40.30.30.30.30.30.30.30.40.30.30.30.30.30.30.30.00.30.40.30.00.30.40.40.00.40.40.40.00.30.30.30.00.40.30.30.00.40.20.40.00.40.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:SystemEnergy0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense Debt

us-gaap:InterestExpenseDebt

us-gaap:InterestExpenseDebt


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value220205207207216205203201201200197195192182184178173171174174177173166171165166169164164162163157155153154155149146142137136136146136148
Percentage of InterestExpenseDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.87.28.87.29.08.58.36.47.57.77.96.37.26.77.05.56.66.60.05.67.26.70.05.16.15.70.04.85.55.10.04.75.75.90.05.35.96.20.04.04.95.40.04.10.0

us-gaap:InterestExpenseDebt dei:LegalEntity

etr:EntergyArkansas


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value353336363535353535333231302935312827262827322626262624232322222323222120202020202021242123
Percentage of InterestExpenseDebt16.216.417.517.816.617.317.417.617.816.616.316.216.116.319.117.416.415.915.316.115.618.915.815.415.915.914.214.214.414.013.514.815.114.713.713.213.714.114.615.115.415.516.616.115.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.21.51.31.51.51.41.11.31.31.31.01.21.11.31.01.11.10.00.91.11.30.00.81.00.90.00.70.80.70.00.70.90.90.00.70.80.90.00.60.70.80.00.70.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas6.55.80.05.77.37.40.05.26.66.10.05.66.35.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyLouisiana


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value9082828286797878777471737370696968676968706513042434343424040403936363535333232253028292830
Percentage of InterestExpenseDebt41.140.239.939.839.838.738.738.938.637.236.437.438.338.337.939.039.539.339.639.139.937.478.524.926.026.125.425.724.825.025.124.923.723.823.022.922.122.322.618.522.621.020.121.220.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.22.93.52.83.63.33.22.52.92.92.92.42.82.62.72.12.62.60.02.22.92.50.01.31.61.50.01.21.41.30.01.21.31.40.01.21.31.40.00.71.11.10.00.90.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana7.17.58.27.48.58.58.06.47.07.87.36.16.96.86.75.46.37.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyMississippi


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value181717171716151515141313141313121212131315141414141414141414141414151414141413101513131315
Percentage of InterestExpenseDebt8.68.68.48.57.98.17.87.97.67.27.17.17.37.67.27.17.27.47.67.98.68.58.88.58.78.68.38.68.88.98.89.39.510.09.49.19.49.99.67.411.19.89.19.810.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.70.60.70.60.70.70.60.50.60.60.60.40.50.50.50.40.50.50.00.40.60.60.00.40.50.50.00.40.50.40.00.40.50.60.00.50.60.60.00.30.50.50.00.40.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi5.45.20.05.05.85.60.04.05.15.20.03.84.04.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyNewOrleans


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value6.9627.0297.3017.5297.6356.646.4626.0466.0195.9365.8365.3885.2695.2795.2695.3135.3565.3435.3315.3735.9844.3734.2264.483.3553.4273.3823.2633.3033.3623.3633.6613.4483.2032.9782.7382.7952.8332.7932.7682.7642.7892.7922.7853.536
Percentage of InterestExpenseDebt3.23.43.53.63.53.23.23.03.03.03.02.82.72.92.93.03.13.13.13.13.42.52.52.62.02.12.02.02.02.12.12.32.22.11.91.81.91.92.02.02.02.01.92.02.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.30.30.30.30.30.20.20.20.20.20.20.20.20.20.20.20.00.20.20.20.00.10.10.10.00.10.10.10.00.10.10.10.00.10.10.10.00.10.10.10.00.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans3.94.24.74.15.24.44.23.13.43.63.92.73.02.83.12.73.03.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyTexas


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value212324222322222120222121212221212121212221212121212021212222222323232424232323242222242125
Percentage of InterestExpenseDebt9.911.211.710.910.711.111.010.610.011.210.911.111.412.111.812.212.412.712.512.812.412.412.912.813.012.612.413.014.013.914.014.614.915.115.915.615.716.216.817.916.916.216.516.117.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.81.00.81.00.90.90.70.80.90.90.70.80.80.80.70.80.80.00.70.90.80.00.70.80.70.00.60.80.70.00.70.80.90.00.80.91.00.00.70.80.90.00.70.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas5.14.80.04.66.26.70.04.85.56.60.04.65.46.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:SystemEnergy


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value9.5799.5358.9668.4278.5348.548.8618.5468.5249.3979.699.7539.6569.3259.6729.1699.1819.1199.419.1869.3829.5529.768101213151513149.7629.7569.4519.2041112101014147.73611141412
Percentage of InterestExpenseDebt4.34.64.34.13.94.24.34.24.24.74.95.05.05.15.25.15.35.35.45.35.35.55.96.17.47.89.09.48.18.86.06.26.16.07.28.17.17.410.210.65.78.410.010.68.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.30.40.30.40.40.40.30.30.40.40.30.40.30.40.30.40.40.00.30.40.40.00.30.50.40.00.40.40.40.00.30.30.40.00.40.40.50.00.40.30.40.00.40.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:SystemEnergy0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-5.974334387521360118385365236254-65.9536245132-479.11339840982
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.211.816.417.914.94.915.611.68.99.8-2.617.39.24.9-18.312.315.73.2

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic dei:LegalEntity

etr:EntergyLouisiana


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value143166499223170189125255183127161218184111-88.79418629122675643985943357812831193357338
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic-2409.249.8128.642.947.3159.532.669.977.450.1-244.840.775.184.118.546.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.15.921.17.77.17.85.18.16.94.96.47.06.94.1-3.45.70.03.52.31.80.02.92.21.70.02.65.11.30.09.92.61.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana11.415.049.520.016.820.412.720.716.513.316.318.117.210.8-8.514.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyTexas


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value44494291463225733821486530174.6339
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic-741.914.811.017.612.927.26.620.016.58.4-73.212.312.513.1-1.09.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.61.71.83.21.91.31.02.31.50.81.92.11.20.60.21.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas10.310.30.018.512.59.50.016.510.76.30.013.87.65.00.00.0

etr:SystemEnergy


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value30231031282826252423252223221820
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic-507.77.12.76.08.024.06.86.910.49.3-38.64.39.516.8-3.85.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.10.80.41.11.21.21.10.80.90.91.00.70.90.80.70.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:SystemEnergy0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-6.0334521360118365236254536245337365-151.7154628315248228492315213
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.211.817.914.94.911.68.99.817.39.211.414.5-6.40.018.511.39.80.014.80.00.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value259614593219-157.511856587201-170.302165541311380958131465141-6.9924335704759243893304337433244473940393459393560
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.93.46.13.29.1-6.53.52.13.37.7-6.85.32.00.54.32.53.73.10.01.52.11.60.01.31.32.40.01.70.81.20.00.91.61.40.01.11.82.00.01.21.41.40.01.20.00.0

us-gaap:NonoperatingIncomeExpense dei:LegalEntity

etr:EntergyArkansas


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-4.50325161.6295.9914.4195.6878.4792.8665.9214.338123.0686.951121119118.2889.9568.7457.7516.7387.4555.872130.276144.895.406133.798136.8365.6055.6232.8336.1295.1114.7586.0564.096266.2987.015
Percentage of NonoperatingIncomeExpense-17.825.911.41.72.7-2.86.613.03.32.9-2.57.75.650.210.813.720.513.826.021.516.918.9-96.417.316.318.60.624.520.114.014.012.329.918.312.917.56.413.013.111.715.211.843.816.119.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.20.90.70.10.20.20.20.30.10.20.20.40.10.30.50.30.70.40.00.30.40.30.00.20.20.50.00.40.20.20.00.10.50.30.00.20.10.30.00.10.20.20.00.20.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas-0.84.30.00.31.20.90.01.20.51.10.02.20.61.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyLouisiana


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value304341273344444447535047435353535046464142407128253035443129352927263232282828283127262924
Percentage of NonoperatingIncomeExpense119.345.428.729.515.1-28.551.868.554.726.6-29.428.779.6385.047.665.752.757.7145.288.782.799.5-1017.066.772.042.974.574.8129.877.338.195.162.971.276.099.863.259.974.271.280.278.744.876.467.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.11.51.81.01.41.81.81.41.82.12.01.51.62.02.11.61.91.80.01.31.71.60.00.91.01.00.01.31.10.90.00.91.01.00.01.11.11.20.00.91.11.10.00.90.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana2.44.04.22.53.34.84.53.64.35.65.13.94.05.25.14.14.65.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyMississippi


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-0.169-0.6030.039-0.691-0.866-0.7370.1760.8932.4191.8021.6022.3680.7111.4324.522.5121.7861.4440.9680.7210.5350.702-0.6520.02-0.493-0.0030.1450.125-0.674-0.066-0.603-0.157-0.0760.0140.097-0.027-0.0160.120.2461.3050.9581.5910.8191.9731.866
Percentage of NonoperatingIncomeExpense-0.7-0.60.0-0.7-0.40.50.21.42.80.9-0.91.41.310.34.03.11.91.83.01.61.01.79.30.0-1.4-0.00.30.2-2.8-0.2-0.6-0.5-0.20.00.2-0.1-0.00.30.63.22.44.61.45.15.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.00.0-0.0-0.0-0.00.00.00.10.10.10.10.00.10.20.10.10.10.00.00.00.00.00.0-0.0-0.00.00.0-0.0-0.00.0-0.0-0.00.00.0-0.0-0.00.00.00.00.00.10.00.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi-0.0-0.20.0-0.2-0.3-0.30.00.20.80.60.00.60.20.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyNewOrleans


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.177-0.0352.3930.3232.2591.8-0.3231.8831.8080.963-5.591.0640.020.6070.7950.9150.7560.683-2.490.2770.3650.1370.2090.3230.5630.6241.456-0.046-0.0110.025-0.195-0.03-0.042-0.1250.016-0.192-0.198-0.241-0.101-0.111-0.168-0.076-1.5780.1250.067
Percentage of NonoperatingIncomeExpense0.7-0.01.60.31.0-1.1-0.42.92.10.53.30.60.04.40.71.10.80.8-7.80.60.70.3-3.00.71.60.93.0-0.1-0.00.1-0.2-0.1-0.1-0.30.0-0.6-0.4-0.5-0.3-0.3-0.4-0.2-2.70.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.00.10.00.10.1-0.00.10.10.0-0.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.0-0.00.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans0.1-0.01.50.21.51.2-0.21.01.00.6-3.70.50.00.30.50.50.40.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyTexas


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2.3472.246101311109.5938.0558.0156.43.9963.2911.642.3291.9933.3911.2121.31.7211.4372.4842.2162.311.2330.9461.0750.3730.756-0.0930.6840.1830.4931.7640.2480.51-5.8051.5941.7541.3571.592.0341.2811.346-0.6065.774
Percentage of NonoperatingIncomeExpense9.32.37.014.05.1-6.811.212.39.23.2-2.32.03.016.81.84.21.31.65.43.14.85.4-33.02.92.61.50.81.3-0.41.80.21.64.00.71.2-18.13.63.73.53.95.13.72.3-1.616.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.40.50.50.40.40.30.30.20.20.10.10.10.10.10.00.10.00.00.10.10.00.00.00.00.00.0-0.00.00.00.00.10.00.0-0.20.10.10.00.00.10.10.0-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas0.50.50.02.73.03.20.01.82.21.90.00.70.40.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:SystemEnergy


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-8.9412616-0.845136.4629.6049.1666.5597.3522.752244.0537.814.5548.234.9385.643.8265.8826.5625.9114.4826.8555.0755.6433.6434.1282.2785.5285.3973.3924.0553.983.7994.53114126.928.7137.7396.5824.8596.5293.553
Percentage of NonoperatingIncomeExpense-35.327.411.5-0.96.0-4.111.214.07.53.6-1.614.77.556.44.010.25.27.012.012.712.714.4-64.115.914.18.07.66.99.414.35.811.09.310.68.814.132.527.117.721.519.519.08.216.79.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.30.90.7-0.00.50.30.40.30.20.30.10.80.20.30.20.30.20.20.00.20.30.20.00.20.20.20.00.10.10.20.00.10.10.20.00.20.60.50.00.30.30.30.00.20.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:SystemEnergy0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value168507152778439399248519338283-228.93127191335211729143174-2599.001772442498-254.3-965.016377542319492454739225388346394324690342-56.857342600558510393770626476503800474506
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.017.96.426.818.216.510.116.612.710.9-9.18.73.412.38.122.55.56.80.024.718.019.10.0-28.613.918.60.014.315.223.10.011.612.715.10.023.313.6-2.40.017.719.920.10.023.10.00.00.00.00.00.0

us-gaap:OperatingIncomeLoss dei:LegalEntity

etr:EntergyArkansas


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1101199.12621710767321826942-82.704342666141696839291887354-21.63510955361911568662315780432615287393316499608.731166108
Percentage of OperatingIncomeLoss65.523.66.028.024.617.013.135.020.615.036.112.828.919.96.823.348.122.8-1.124.416.610.98.5-11.314.66.86.023.415.29.010.340.523.411.08.322.125.6-70.09.827.417.711.92.221.617.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.94.20.47.54.52.81.35.82.61.6-3.31.11.02.40.65.22.61.50.06.03.02.10.03.22.01.30.03.32.32.10.04.73.01.70.05.23.51.70.04.93.52.40.05.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas20.020.50.033.822.014.10.026.512.97.80.06.15.412.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyLouisiana


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value22724011732425616616433624115314723615014121029019315211131219318147193125106381601008556145886432121-41.253363.606-61.70696472912090
Percentage of OperatingIncomeLoss135.247.377.041.758.441.766.264.871.354.3-64.587.3163.942.199.339.8135.087.3-4.340.543.836.5-18.5-20.133.219.612.132.622.011.524.937.525.616.410.017.6-12.0-63.61.1-10.317.39.37.515.714.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.18.54.911.210.66.96.710.79.15.95.97.65.65.28.08.97.45.90.010.07.97.00.05.74.63.60.04.63.32.70.04.43.22.50.04.1-1.61.50.0-1.83.41.90.03.60.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana17.921.711.629.025.317.916.627.321.816.015.019.614.013.720.122.517.917.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyMississippi


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value845033936741408745302345-63.80141428455393288614124745854619.4035957367046373059422832605037286163
Percentage of OperatingIncomeLoss50.010.022.012.115.410.316.216.713.510.9-10.316.7-69.712.319.911.538.522.7-1.211.414.08.3-9.7-7.715.410.119.11.913.07.716.018.013.59.49.48.612.3-49.89.610.19.07.37.38.010.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.01.81.43.22.81.71.62.81.71.20.91.5-2.41.51.62.62.11.50.02.82.51.60.02.22.11.90.00.32.01.80.02.11.71.40.02.01.71.20.01.81.81.50.01.90.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi24.115.10.026.322.714.00.021.815.110.90.012.3-18.013.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyNewOrleans


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value139.62812327.602126.1642817166.836212717123327218.8074226219.337341819-0.5392412153.07153.6274.2723.06619103.25-6.1183615164.1269.923
Percentage of OperatingIncomeLoss7.81.98.14.21.73.02.55.65.25.7-3.07.930.55.35.84.619.212.4-0.35.56.14.4-3.7-3.64.93.6-0.25.02.82.11.44.11.01.10.92.82.9-5.7-1.86.12.83.31.03.41.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.30.51.10.30.50.30.90.70.60.30.71.00.70.51.01.10.80.01.41.10.80.01.00.70.70.00.70.40.50.00.50.10.20.00.70.40.10.01.10.60.70.00.80.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans7.35.78.017.85.28.14.014.910.09.94.510.815.79.57.216.815.712.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyTexas


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value6774461085636246936166.741995841337847383810758418.94486444429825343307938263461482524865745227253
Percentage of OperatingIncomeLoss40.114.730.313.912.89.09.713.410.65.9-2.936.964.012.216.010.833.322.2-1.514.013.18.3-3.5-9.011.78.19.316.811.75.813.320.411.16.710.78.914.3-44.17.314.410.38.95.79.48.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.42.61.93.72.31.51.02.21.40.60.33.22.21.51.32.41.81.50.03.52.41.60.02.61.61.50.02.41.81.30.02.41.41.00.02.11.91.10.02.62.11.80.02.20.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas15.715.60.021.915.210.60.015.79.94.90.020.914.511.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:SystemEnergy


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value57-3.8891.303483135302924317.212-17.879233041374041444345474547454754585652475251525858383541383336424242
Percentage of OperatingIncomeLoss34.2-0.80.96.37.18.812.25.67.211.1-3.2-6.625.69.219.45.128.423.8-1.75.710.29.5-17.8-4.912.08.816.911.912.47.021.013.414.913.218.18.511.2-62.412.26.46.17.110.85.56.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.0-0.10.11.71.31.51.20.90.91.20.3-0.60.91.11.61.21.61.60.01.41.81.80.01.41.71.60.01.71.91.60.01.61.92.00.02.01.51.50.01.11.21.40.01.30.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:SystemEnergy0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value21-51.3-58.787-1.8161047-27.148101201274-18.484-52.14479-135.209584145-73.10747-38.94720126-70.98212-17.43-62.691-10.68436242143029-10.575-156.29-61.196-109.264202-30.115-63.181
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.8-1.8-2.5-0.10.42.0-1.10.34.50.53.0-0.6-2.02.9-5.21.81.61.80.01.5-1.60.80.0-2.10.5-0.60.0-0.31.20.80.00.91.1-0.40.0-2.1-4.38.50.0-1.9

us-gaap:OtherComprehensiveIncomeLossNetOfTax dei:LegalEntity

etr:EntergyLouisiana


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value0.588-0.407-7.957-0.8-0.9459.46713-0.969-0.969-0.96951-0.5-0.501-0.5013.092-0.37-0.31-0.378.695-0.232-0.23-0.26322-0.026-0.026-0.042-15.365-0.287-0.287-0.302340.6840.6830.678-8.5150.630.6070.653-16.0120.366
Percentage of OtherComprehensiveIncomeLossNetOfTax2.70.813.544.1-9.119.8-50.2-9.1-0.8-7.669.12.71.0-0.6-2.3-0.6-0.7-0.8-11.9-0.50.6-1.318.10.0-0.20.224.52.7-0.8-1.316.12.22.3-6.45.4-1.0-0.60.353.2-0.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.0-0.3-0.0-0.00.40.6-0.0-0.0-0.02.1-0.0-0.0-0.00.1-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana0.0-0.0-0.8-0.1-0.11.01.4-0.1-0.1-0.15.2-0.0-0.0-0.00.3-0.0-0.0-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax dei:LegalEntity, us-gaap:StatementEquityComponents

etr:EntergyLouisiana, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


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
Value0.588-0.407-7.957-0.8-0.9459.46713-0.969-0.969-0.96951-0.5-0.501-0.5013.092-0.37-0.31-0.37
Percentage of OtherComprehensiveIncomeLossNetOfTax2.70.813.544.1-9.119.8-50.2-9.1-0.8-7.669.12.71.0-0.6-2.3-0.6-0.7-0.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.0-0.3-0.0-0.00.40.6-0.0-0.0-0.02.1-0.0-0.0-0.00.1-0.0-0.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyLouisiana, us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value0.588-0.407-0.8-0.9459.467-0.969-0.969-0.96951-0.5-0.501-0.5013.092-0.37-0.31-0.378.695-0.232-0.23-0.26322-0.026-0.026-0.042-15.365-0.287-0.287-0.302340.6840.6830.678-8.5150.630.6070.653-16.012
Percentage of OtherComprehensiveIncomeLossNetOfTax2.70.844.1-9.119.8-9.1-0.8-7.669.12.71.0-0.6-2.3-0.6-0.7-0.8-11.9-0.50.6-1.318.10.0-0.20.224.52.7-0.8-1.316.12.22.3-6.45.4-1.0-0.60.353.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.0-0.0-0.00.4-0.0-0.0-0.02.1-0.0-0.0-0.00.1-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


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
Value2222-66.064171753-73.6625111142151516-93.49812108.632
Percentage of OtherComprehensiveIncomeLossNetOfTax101.5-44.8112.4-960.2165.9112.4271.3239.59.590.057.0-82.6-29.920.969.220.926.118.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.8-2.80.60.72.2-3.00.80.40.41.70.50.60.6-3.60.40.40.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


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-0.222-29.588.187-16.558-25.406-21.7152-20.10394-12.42623-32.004-65.06895-74.1041319-0.528
Percentage of OtherComprehensiveIncomeLossNetOfTax-1.057.7-13.9911.8-244.7-45.3-193.7-189.178.7-96.931.7173.1124.8120.654.822.447.7-1.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-1.00.3-0.6-1.1-0.92.1-0.63.6-0.50.9-1.0-2.43.5-2.80.40.8-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


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-0.108-44.687-0.91-2.6951815-6.0615.27114138.471-1.745-2.641-32.85632331137
Percentage of OtherComprehensiveIncomeLossNetOfTax-0.587.11.5148.4178.832.822.349.611.8106.811.39.45.1-41.5-24.056.728.082.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-1.6-0.0-0.10.80.6-0.20.20.50.50.3-0.1-0.1-1.21.21.00.41.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value21-51.3-1.8161047101201274-18.484-52.14479-135.209584145-73.10747-38.94720126-70.98212-17.43-62.691-10.68436242143029-10.575-156.29-61.196-109.264202-30.115
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.8-1.8-0.10.42.00.34.50.53.0-0.6-2.02.9-5.21.81.61.80.01.5-1.60.80.0-2.10.5-0.60.0-0.31.20.80.00.91.1-0.40.0-2.1-4.38.50.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-62.844-60.929-81.488-58.914-93.6223-91.925-50.086-45.87-64.658-6.315-43.591-48.491-31.356-9.529-1.801-6.8725.501-15.915-6.74-8.377-10.587-61.228-10.005-15.743-9.02-8.99-6.644-14.675-11.704-22.77-10.214-13.157-13.623-11.42-10.768-13.036-17.99-18.773-14.137-16.962-9.399-16.074-14.748-16.78-0.522
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.2-2.1-3.4-2.0-3.91.0-3.7-1.6-1.7-2.5-0.3-1.4-1.8-1.2-0.4-0.1-0.30.20.0-0.2-0.3-0.40.0-0.3-0.6-0.30.0-0.2-0.5-0.40.0-0.3-0.5-0.50.0-0.4-0.5-0.80.0-0.4-0.6-0.40.0-0.40.00.0

us-gaap:OtherNonoperatingIncomeExpense dei:LegalEntity

etr:EntergyArkansas


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-5.372-5.791-4.874-4.465-6.133-6.436-5.862-4.286-4.728-3.69-4.059-3.063-3.881-3.871-0.3180.183-0.057-0.107-0.4630.812-1.02-0.775-1.661-1.036-0.521-0.167-4.383-0.03-0.366-0.364-1.702-0.629-0.779-1.165-0.91-0.496-1.19-1.453-1.07-1.213-1.14-0.749-1.206-0.452-0.323
Percentage of OtherNonoperatingIncomeExpense8.59.56.07.66.6-27.56.48.610.35.764.37.08.012.33.3-10.20.8-1.92.9-12.012.27.32.710.43.31.948.80.52.53.17.56.25.98.68.04.69.18.15.78.66.78.07.53.11.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.2-0.2-0.2-0.2-0.3-0.3-0.2-0.1-0.2-0.1-0.2-0.1-0.1-0.1-0.00.0-0.0-0.00.00.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.10.0-0.0-0.0-0.00.0-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas-1.0-1.00.0-0.7-1.2-1.30.0-0.6-0.9-0.70.0-0.5-0.8-0.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyLouisiana


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-36.033-34.638-59.131-40.025-66.81149-35.71-15.067-22.306-42.34428-25.782-22.77-7.665-3.329-2.957-2.65-3.024-1.553-4.429-1.87-3.745-10.990.044-2.7810.5376.9960.321.311-0.169-1.719-0.618-0.793-0.86-0.9040.519-0.828-1.371-1.513-1.353-0.134-0.522-1.284-0.687-1.25
Percentage of OtherNonoperatingIncomeExpense57.356.872.667.971.4212.138.830.148.665.5-454.359.147.024.434.9164.238.6-55.09.865.722.335.417.9-0.417.7-6.0-77.8-4.8-8.91.47.56.16.06.37.9-4.86.47.68.19.60.85.68.04.77.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.3-1.2-2.5-1.4-2.82.0-1.5-0.5-0.8-1.61.1-0.8-0.9-0.3-0.1-0.1-0.1-0.10.0-0.1-0.1-0.10.00.0-0.10.00.00.00.0-0.00.0-0.0-0.0-0.00.00.0-0.0-0.10.0-0.0-0.0-0.00.0-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana-2.8-3.1-5.9-3.6-6.65.3-3.6-1.2-2.0-4.42.9-2.1-2.1-0.7-0.3-0.2-0.2-0.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyMississippi


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-2.205-2.313-1.871-2.497-2.589-2.296-2.24-1.648-0.327-0.263-0.8660.116-1.411-0.5711.542-0.054-0.553-0.425-0.927-0.849-1.05-0.705-1.743-0.743-1.13-0.802-0.924-0.728-1.414-0.839-1.22-0.767-0.976-0.858-1.035-0.806-1.055-1.055-1.325-0.742-1.283-0.554-0.9680.1090.025
Percentage of OtherNonoperatingIncomeExpense3.53.82.34.22.8-9.82.43.30.70.413.7-0.32.91.8-16.23.08.0-7.75.812.612.56.72.87.47.28.910.311.09.67.25.47.57.46.39.17.58.15.97.15.27.65.96.0-0.7-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.00.0-0.1-0.00.1-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi-0.6-0.70.0-0.7-0.9-0.80.0-0.4-0.1-0.10.00.0-0.4-0.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyNewOrleans


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-0.204-0.3021.486-0.60.168-0.738-2.571-1.019-0.942-1.506-8.043-0.66-1.404-0.337-0.1530.0390.040.098-3.0-0.0920.192-0.245-0.193-0.0810.3030.3521.227-0.213-0.237-0.347-0.48-0.277-0.328-0.316-0.306-0.385-0.357-0.405-0.386-0.317-0.293-0.236-1.798-0.209-0.287
Percentage of OtherNonoperatingIncomeExpense0.30.5-1.81.0-0.2-3.22.82.02.12.3127.41.52.91.11.6-2.2-0.61.818.91.4-2.32.30.30.8-1.9-3.9-13.63.21.63.02.12.72.52.32.73.62.72.32.12.21.72.511.21.41.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.00.1-0.00.0-0.0-0.1-0.0-0.0-0.1-0.3-0.0-0.1-0.0-0.00.00.00.00.0-0.00.0-0.00.0-0.00.00.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans-0.1-0.21.0-0.30.1-0.5-1.7-0.5-0.5-0.9-5.3-0.3-0.8-0.2-0.10.00.00.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyTexas


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-0.527-0.423-0.9522.061-0.791-0.346-0.4340.1151.228-0.363-0.5010.468-0.7350.113-0.2921.298-0.631-0.182-0.02-0.256-0.054-0.416-0.551-0.133-0.1780.064-0.728-0.277-0.876-0.464-1.36-0.625-0.485-0.858-1.1-1.52-0.849-0.795-1.347-0.73-0.795-0.175-0.697-3.672-0.305
Percentage of OtherNonoperatingIncomeExpense0.80.71.2-3.50.8-1.50.5-0.2-2.70.67.9-1.11.5-0.43.1-72.19.2-3.30.13.80.63.90.91.31.1-0.78.14.26.04.06.06.13.76.39.614.16.54.47.25.24.71.94.324.91.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.0-0.00.1-0.0-0.0-0.00.00.0-0.0-0.00.0-0.00.0-0.00.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.00.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.1-0.0-0.00.0-0.0-0.0-0.00.0-0.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas-0.1-0.10.00.4-0.2-0.10.00.00.3-0.10.00.1-0.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:SystemEnergy


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-7.886-2.024-2.041-3.354-2.157-2.46-1.498-1.3-1.49-1.228-1.384-1.421-1.794-1.176-0.16-0.13-0.103-0.128-0.191-0.109-0.164-0.092-0.309-0.129-0.217-0.221-0.24-0.088-0.096-0.105-0.311-0.134-0.191-0.168-0.171-0.146-0.143-0.157-0.197-0.253-0.145-0.104-0.185-0.104-0.097
Percentage of OtherNonoperatingIncomeExpense12.53.32.55.72.3-10.51.62.63.21.921.93.33.73.81.77.21.5-2.31.21.62.00.90.51.31.42.52.71.30.70.91.41.31.51.21.51.41.10.91.01.80.91.11.20.70.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.3-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.1-0.0-0.1-0.0-0.1-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:SystemEnergy0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherNonoperatingIncomeExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-0.048-0.048-0.048-0.048-0.048-0.048-0.048-0.048-0.063-0.093-0.122
Percentage of OtherNonoperatingIncomeExpense0.10.10.10.1-0.20.10.10.10.10.20.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-1.394339392525365123389369240258-62.323539248136-475.7140141386-1765.539393572235104-718.233153302125234194406151244168166301342370-146.74160633320253233497320218318460231240
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.011.916.618.115.15.115.811.89.09.9-2.517.49.35.0-18.112.415.83.30.012.623.39.00.0-21.35.710.40.06.86.512.70.07.36.16.40.011.614.7-6.20.018.611.410.00.014.90.00.00.00.00.00.0

us-gaap:ProfitLoss dei:LegalEntity

etr:EntergyArkansas


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value56934.62413560442314950395.0061288236-5.6489238143.8791103319-20.785521171.03762292824824014108245138.048050258.6749355
Percentage of ProfitLoss-4059.827.41.225.816.536.26.140.520.915.1-8.023.933.226.61.223.19.316.6-0.228.05.98.2-19.8-7.714.05.90.826.814.97.016.033.824.18.83.424.112.3-9.55.012.815.710.13.718.717.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.03.30.24.72.51.81.04.81.91.50.24.23.11.3-0.22.91.50.60.03.51.40.70.01.70.80.60.01.81.00.90.02.51.50.60.02.81.80.60.02.41.81.00.02.80.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas10.315.90.021.112.29.30.021.89.37.20.022.716.76.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyLouisiana


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value143166499223170189125255183127161218184111-88.7941861249467189253111241197572311236958451006145368013033203377540399461
Percentage of ProfitLoss-10324.749.1127.142.546.7153.632.269.176.149.3-258.940.474.181.918.746.430.1109.7-3.848.244.247.423.3-16.648.823.925.352.735.914.429.841.236.527.212.223.435.3-22.713.053.323.415.916.718.919.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.15.921.17.77.17.85.18.16.94.96.47.06.94.1-3.45.74.83.60.06.110.34.30.03.52.82.50.03.62.31.80.03.02.21.70.02.75.21.40.09.92.71.60.02.80.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana11.415.049.520.016.820.412.720.716.513.316.318.117.210.8-8.514.411.510.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyMississippi


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value512520583822215626151450382218462817134632174.91836262428-6.464262515331813-4.90827158.682343323175.9013434
Percentage of ProfitLoss-3688.47.75.211.110.718.35.515.211.16.0-22.99.415.416.8-3.811.66.819.9-0.811.95.67.34.7-5.117.18.223.1-2.813.76.410.213.811.38.3-1.67.94.3-5.921.55.27.46.82.56.810.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.80.90.92.01.60.90.91.81.00.60.61.61.40.80.71.41.10.70.01.51.30.70.01.11.00.90.0-0.20.90.80.01.00.70.50.00.90.60.40.01.00.90.70.01.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi14.77.70.016.413.17.70.014.18.85.50.013.810.87.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyNewOrleans


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value4.6311.77113194.929115.69524139.0232.5942118100.1641814102.1382311113.5751910110.107136.3748.2941.6928.0860.5981.307-0.716107.1860.04-0.101198.218.927-1.395155.467
Percentage of ProfitLoss-332.20.53.53.71.39.11.56.75.43.5-4.24.07.38.0-0.04.63.612.8-0.16.02.14.73.4-2.76.83.60.15.93.32.01.13.30.40.8-0.23.11.9-0.0-0.13.02.63.5-0.63.11.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.60.70.20.50.20.80.50.30.10.70.70.40.00.60.60.40.00.80.50.40.00.60.40.40.00.40.20.30.00.20.00.10.00.40.30.00.00.60.30.40.00.50.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans2.61.08.910.73.37.53.712.87.45.51.710.710.25.80.19.38.46.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyTexas


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value44504392463225733821486530174.6339211012562414-5.174314163.4953918131035100.9224.78819161.7451.1474023150.3173122
Percentage of ProfitLoss-3213.114.811.017.512.826.56.619.816.28.3-77.412.212.412.7-1.09.95.112.6-0.714.34.26.2-4.9-6.09.75.52.816.89.63.26.714.76.50.61.65.64.4-1.20.76.57.26.20.16.37.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.61.81.83.21.91.31.12.31.50.81.92.11.20.60.21.20.80.40.01.81.00.60.01.30.50.60.01.10.60.40.01.10.40.00.00.60.60.10.01.20.80.60.00.90.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas10.410.40.018.612.69.60.016.510.76.30.013.87.65.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:SystemEnergy


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value30231031282826252423252223221820192023222525382521251926252422352728193035268.612142119192220
Percentage of ProfitLoss-2175.87.02.75.97.923.16.76.810.29.1-40.84.39.416.4-3.95.14.723.6-1.35.74.411.036.9-3.514.28.415.211.413.36.115.114.416.516.86.48.99.5-18.15.42.36.97.68.34.56.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.10.80.41.11.21.21.10.80.90.91.00.70.90.80.70.60.70.80.00.71.01.00.00.70.80.90.00.80.90.80.01.01.01.10.01.01.41.10.00.40.80.80.00.70.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:SystemEnergy0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss dei:LegalEntity, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

etr:EntergyLouisiana, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-0.5880.4070.9090.80.9450.5830.9690.9690.9690.9690.5010.50.5010.5010.370.370.310.370.2310.2320.230.263-1.7250.0260.0260.0420.2870.2870.2870.302-0.583-0.684-0.683-0.678
Percentage of ProfitLoss42.20.10.20.20.30.50.20.30.40.4-0.80.10.20.4-0.10.10.10.4-0.00.10.00.1-1.6-0.00.00.00.20.10.10.1-0.4-0.3-0.4-0.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.0-0.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss dei:LegalEntity, us-gaap:StatementEquityComponents

etr:EntergyLouisiana, etr:MemberSEquity


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value143166223170189255183127161218184111-88.79418612494671892531111801197572311236958451006145368013033203377540
Percentage of ProfitLoss-10324.749.142.546.7153.669.176.149.3-258.940.474.181.918.746.430.1109.7-3.848.244.247.4172.0-16.648.823.925.352.735.914.429.841.236.527.212.223.435.3-22.713.053.323.415.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.15.97.77.17.88.16.94.96.47.06.94.1-3.45.74.83.60.06.110.34.30.03.52.82.50.03.62.31.80.03.02.21.70.02.75.21.40.09.92.71.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana etr:MemberSEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:EntergyTexas, us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4450924632733821486530174.6339211012562414-5.174314163.4953918131035100.9224.78919161.7451.1474023150.31731
Percentage of ProfitLoss-3213.114.817.512.826.519.816.28.3-77.412.212.412.7-1.09.95.112.6-0.714.34.26.2-4.9-6.09.75.52.816.89.63.26.714.76.50.61.65.64.4-1.20.76.57.26.20.16.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.61.83.21.91.32.31.50.81.92.11.20.60.21.20.80.40.01.81.00.60.01.30.50.60.01.10.60.40.01.10.40.00.00.60.60.10.01.20.80.60.00.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

etr:SystemEnergy, us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3023312828252423252223221820192023222525382521251926252422352728193035268.6121421191724
Percentage of ProfitLoss-2175.87.05.97.923.16.810.29.1-40.84.39.416.4-3.95.14.723.6-1.35.74.411.036.9-3.514.28.415.211.413.36.115.114.416.516.86.48.99.5-18.15.42.36.97.67.44.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.10.81.11.21.20.80.90.91.00.70.90.80.70.60.70.80.00.71.01.00.00.70.80.90.00.80.90.80.01.01.01.10.01.01.41.10.00.40.80.80.00.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:SystemEnergy us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-21.1347.481-5.088-2.9671756-2.692-7.472-5.55529-43.984-29.09-18.346-6.741324.609192629202794-278.23251518.654-5.296.33-2.388140185.742-6.489-10.386
Percentage of ProfitLoss1516.12.2-1.3-0.64.746.2-0.7-2.0-2.311.270.6-5.4-7.4-4.9-6.91.14.730.9-1.75.34.940.0-265.4-7.233.52.9-4.22.7-1.234.712.42.4-3.9-6.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.70.3-0.2-0.10.72.3-0.1-0.2-0.21.1-1.8-0.9-0.7-0.21.30.10.71.00.00.71.13.60.01.51.90.30.00.2-0.14.40.00.2-0.2-0.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312014-06-302014-03-312013-06-302013-03-31
Value-22.098-22.967-17.398-17.437-17.224-19.55-20.036-25.464-11.496-11.55-16.037-15.265-15.565-16.574-3.45912-9.779-9.795
Percentage of ProfitLoss1585.2-6.8-4.4-3.3-4.7-15.9-5.1-6.9-4.8-4.525.7-2.8-6.3-12.2-1.83.1-5.8-5.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.8-0.8-0.7-0.6-0.7-0.8-0.8-0.8-0.4-0.4-0.6-0.5-0.6-0.6-0.10.4-0.4-0.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312014-06-302014-03-312013-06-302013-03-31
Value0.208311011307416144.37740-23.86-8.3972.087-23.861-0.5011262.433-1.586
Percentage of ProfitLoss-14.99.22.72.28.360.54.14.01.815.838.3-1.60.8-17.5-0.331.11.4-0.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.01.10.40.41.33.10.70.50.21.6-0.9-0.30.1-0.9-0.03.90.1-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.756-0.6141.8252.8763.981.9691.2513.0791.564-0.164-4.087-5.428-4.86833292.235222.045-0.4081.6723.0611.9634.3193.2068.7728.6556.1391.0151.5721.73420-0.6530.8570.995
Percentage of ProfitLoss-54.2-0.20.50.51.11.60.30.80.7-0.16.6-1.0-2.024.7-6.20.65.42.40.00.40.50.84.1-0.45.72.94.90.40.80.413.2-0.30.50.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.00.10.10.20.10.10.10.1-0.0-0.2-0.2-0.21.21.10.10.80.10.00.10.10.10.00.10.30.30.00.00.10.10.0-0.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementBusinessSegments

etr:Eliminations


Profit
Period End2021-06-302021-03-312020-06-302020-03-31
Value-31.898-31.899-31.898-31.899
Percentage of ProfitLoss2288.2-9.4-8.7-25.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.1-1.1-1.3-1.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:Eliminations1594900.0159495.00.0318990.0

etr:EntergyWholesaleCommodities


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-274.64838-68.2863085-110.428217-140.501-25.38297-372.097105-56.337-17.779-424.7955223-27.197-1831.7758.22125079-154.133-1031.41-3.54512358-32.6782624242-92.82811828.85711881-168.51217213065123150143
Percentage of ProfitLoss19702.211.2-17.45.923.3-89.655.9-38.0-10.637.5597.019.6-22.6-13.189.313.954.2-31.6103.82.143.833.8-147.0143.6-2.340.746.6-13.913.659.727.9-38.06.949.22.934.721.9114.8107.620.720.448.664.628.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-9.71.3-2.91.13.5-4.58.8-4.5-1.03.7-14.83.4-2.1-0.7-16.21.78.5-1.10.00.310.23.00.0-30.6-0.14.20.0-0.90.97.60.0-2.80.43.10.04.03.2-7.10.03.92.34.80.04.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyWholesaleCommodities-184.815.40.014.442.7-33.20.0-46.8-8.822.40.027.8-18.3-4.20.013.270.6-4.90.01.772.915.20.0-197.7-0.819.20.0-5.44.626.60.0-14.92.213.40.018.914.3-30.10.020.411.520.20.021.4

etr:Utility


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value329360588555348323274581334234390507378217-44.5940324616712344738019931836420422711331521220516535220012728430030867174528252168118337
Percentage of ProfitLoss-23668.3106.3149.8105.795.6262.770.5157.5139.290.5-627.394.1152.1160.09.4100.559.6194.8-7.0113.966.484.9303.7-50.7132.775.290.9134.2109.250.6109.4144.3119.376.694.187.783.3-45.8108.783.578.866.550.867.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.712.724.819.114.513.311.218.512.69.015.616.414.28.0-1.712.49.46.50.014.315.47.60.010.87.57.80.09.17.16.40.010.57.34.90.010.112.22.80.015.69.06.60.010.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:Utility12.313.90.020.715.815.50.020.514.110.80.018.616.09.50.014.310.78.20.016.918.09.60.012.89.010.00.011.18.88.90.012.99.16.40.012.815.73.70.019.111.38.70.012.7

us-gaap:AllOtherSegments


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-24.784-27.68-95.288-28.758-37.069-58.228-70.95-40.105-36.939-40.682-49.309-41.601-41.299-32.06325-25.956-25.001-22.477-25.245-30.901-26.703-12.067-23.938-19.19-14.87-16.354-15.018-14.793-17.614-15.462-29.93211-17.636-16.57235-50.2077.136-18.405-158.5311.39329-10.563-8.28445
Percentage of ProfitLoss1777.9-8.2-24.3-5.5-10.2-47.2-18.2-10.9-15.4-15.779.1-7.7-16.6-23.5-5.4-6.5-6.0-26.11.4-7.9-4.7-5.1-22.82.7-9.7-5.4-12.0-6.3-9.1-3.8-19.84.5-10.5-9.911.7-14.71.912.5-99.10.29.3-4.2-3.69.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.9-1.0-4.0-1.0-1.5-2.4-2.9-1.3-1.4-1.6-2.0-1.3-1.5-1.21.0-0.8-1.0-0.90.0-1.0-1.1-0.50.0-0.6-0.5-0.60.0-0.4-0.6-0.50.00.3-0.6-0.60.0-1.70.3-0.80.00.01.1-0.40.01.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AllOtherSegments-79948.4-120347.80.0-115032.0-205938.9-529345.50.0-445611.1-1846950.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-5379.3-2426.2-2031.80.01410.7-1786.8-1657.20.0-4736.5707.9-1919.20.0137.22885.0-959.40.04678.9

us-gaap:IntersegmentElimination


Profit
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-31.899-31.898-31.899-31.899-31.899-31.898-31.898-31.899-31.897-31.898-31.898-31.925-31.898-31.899-31.898-31.9-31.898-31.898-31.899-35.545-31.898-31.898-31.899-31.899-32.876-26.702-26.395-26.395-26.395-26.395-26.395-26.395-26.395-26.395-27.035-27.645-27.645-27.645-27.645-27.646-29.193
Percentage of ProfitLoss-6.1-8.7-25.9-8.2-8.6-13.3-12.351.2-5.9-12.8-23.46.7-7.9-7.7-37.11.8-8.1-5.6-13.6-33.94.4-20.8-10.5-25.5-14.0-13.7-6.5-17.4-10.8-15.7-15.8-8.7-7.7-7.118.4-17.3-4.4-8.6-10.9-11.8-5.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.1-1.3-1.3-1.3-1.0-1.2-1.2-1.3-1.0-1.2-1.2-1.2-1.0-1.2-1.20.0-1.0-1.3-1.20.0-0.9-1.2-1.10.0-1.0-0.9-0.80.0-0.8-1.0-1.00.0-0.9-1.0-1.10.0-0.8-1.0-1.10.0-0.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination227850.00.0318990.00.0167889.5245369.2318980.00.079742.579745.096660.60.083942.186213.5151895.20.093817.6122684.6159495.00.0151895.2159490.0318990.00.0-469657.1-309.2301.90.0570.0305.6283.80.0285.8273.3294.10.0378.2378.2361.00.0391.9

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

etr:SubsidiariesPreferredStock


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value4.584.584.584.584.584.2194.1094.1093.5773.4393.4393.4393.4033.4463.4463.4463.5295.0345.2765.2765.2764.7939.7590.019-9.7774.8984.8794.4234.3324.3335.5825.5825.5825.5834.9435.8875.0155.0165.015
Percentage of ProfitLoss-328.61.40.91.33.71.11.71.6-5.70.61.42.5-0.70.90.84.0-0.21.30.92.25.0-0.76.30.015.6-4.22.51.22.91.82.63.31.81.61.5-3.43.70.81.62.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.20.20.20.10.20.20.10.10.10.10.10.10.10.10.00.20.20.20.00.10.40.00.0-0.30.20.20.00.10.20.20.00.20.20.20.00.10.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:SubsidiariesPreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-5.974334521360118365236254-65.899536245132-479.11439840982-1769.06738856722999-723.027148298120230189401146239163161296337365-151.683154628315248228492315213
Percentage of ProfitLoss428.698.699.198.796.398.998.398.4105.799.498.697.5100.799.199.296.0100.298.799.197.895.0100.796.898.496.197.997.598.897.198.297.496.798.298.498.5103.496.399.298.498.097.999.098.497.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.211.817.914.94.911.68.99.8-2.617.39.24.9-18.312.315.73.20.012.423.08.80.0-21.45.510.20.06.76.312.50.07.26.06.20.011.414.5-6.40.018.511.39.80.014.80.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Realized Investment Gains Losses

us-gaap:RealizedInvestmentGainsLosses us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:RealizedInvestmentGainsLosses

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Realized
Period End2021-06-302020-06-30
Value1196000.06297000.0
Percentage of RealizedInvestmentGainsLosses100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value28222844237029032412242724623140266626092512310426682723262332432618258826483124246226093371271329203458299632083351273826082436296325182383248933952803254125333332
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax dei:LegalEntity

etr:EntergyArkansas


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
Value550583466644491481483687542545446568494551
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.520.519.722.220.419.919.621.920.420.917.818.318.520.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.520.519.722.220.419.919.621.920.420.917.818.318.520.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyLouisiana


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1267110710071120101193098712311106959987120610721029104512901083880
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax44.938.942.538.641.938.340.139.241.536.839.338.940.237.839.939.841.434.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax44.938.942.538.641.938.340.139.241.536.839.338.940.237.839.939.841.434.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyMississippi


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
Value349336299356297293339398302282297367353315
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.411.812.612.312.312.113.812.711.410.811.911.813.311.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.411.812.612.312.312.113.812.711.410.811.911.813.311.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyNewOrleans


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value178169155182147149153194175163150200178188171199176168
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.36.06.56.36.16.26.26.26.66.36.06.46.76.96.56.16.76.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.36.06.56.36.16.26.26.26.66.36.06.46.76.96.56.16.76.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyTexas


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
Value430480380494372339342442363340376477403348
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.316.916.117.015.414.013.914.113.613.015.015.415.112.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.316.916.117.015.414.013.914.113.613.015.015.415.112.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax dei:LegalEntity, us-gaap:MajorCustomers, us-gaap:ProductOrService

etr:EntergyArkansas, etr:BilledRetail, us-gaap:Electricity


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value401451408555387436429578407460356500
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.215.917.219.116.118.017.518.415.317.714.216.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.215.917.219.116.118.017.518.415.317.714.216.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas etr:BilledRetail us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyArkansas, etr:Commercial, us-gaap:Electricity


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
Value1111061111371061111261621251249111993120
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.93.74.74.74.44.65.15.24.74.83.63.93.54.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.93.74.74.74.44.65.15.24.74.83.63.93.54.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas etr:Commercial us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyArkansas, etr:Customer, us-gaap:Electricity


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value580465637488478479684539542
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.419.622.020.219.719.521.820.220.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.419.622.020.219.719.521.820.220.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas etr:Customer us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyArkansas, etr:Governmental, us-gaap:Electricity


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
Value4.5364.2564.5035.1334.3444.035.0195.9074.9714.8993.6784.4453.7664.648
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.20.20.20.20.20.20.20.20.10.10.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.20.20.20.20.20.20.20.20.10.10.10.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas etr:Governmental us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyArkansas, etr:Industrial, us-gaap:Electricity


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
Value1141031161381061011241561181219812697111
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.03.64.94.84.44.25.15.04.54.73.94.13.74.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.03.64.94.84.44.25.15.04.54.73.94.13.74.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas etr:Industrial us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyArkansas, etr:NonCustomer, us-gaap:Electricity


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
Value6.2052.4521.076.7883.4013.1253.8063.3663.0663.0037.993.062.6982.614
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.00.20.10.10.20.10.10.10.30.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.10.00.20.10.10.20.10.10.10.30.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas etr:NonCustomer us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyArkansas, etr:OtherElectric, us-gaap:Electricity


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
Value73192617631.5965.01947582.304134.4468410
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.60.71.10.62.60.10.21.52.20.10.50.13.20.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.60.71.10.62.60.10.21.52.20.10.50.13.20.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas etr:OtherElectric us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyArkansas, etr:Residential, us-gaap:Electricity


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
Value171237175274171219174253157209162250159235
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.18.37.49.57.19.17.18.15.98.06.58.16.08.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.18.37.49.57.19.17.18.15.98.06.58.16.08.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas etr:Residential us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyArkansas, etr:RevenuesFromCustomers, us-gaap:Electricity


Revenue
Period End2021-06-302020-06-30
Value544488
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.320.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.320.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas etr:RevenuesFromCustomers us-gaap:Electricity100.0100.0

etr:EntergyArkansas, etr:SalesforResale, us-gaap:Electricity


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
Value69110306436414458747969605366
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.53.91.32.21.51.71.81.92.83.02.81.92.02.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.53.91.32.21.51.71.81.92.83.02.81.92.02.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas etr:SalesforResale us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyLouisiana, etr:BilledRetail, us-gaap:Electricity


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value109992688099686280188110989258348581093
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.032.637.134.335.733.035.835.034.732.034.235.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.032.637.134.335.733.035.835.034.732.034.235.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana etr:BilledRetail us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyLouisiana, etr:Commercial, us-gaap:Electricity


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
Value262224226248209202231277232206221272221224
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.37.99.68.68.78.39.48.88.77.98.88.88.38.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.37.99.68.68.78.39.48.88.77.98.88.88.38.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana etr:Commercial us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyLouisiana, etr:Customer, us-gaap:Electricity


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1050991111299891197112171088930
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.941.838.341.437.639.538.840.835.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.941.838.341.437.639.538.840.835.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana etr:Customer us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyLouisiana, etr:Governmental, us-gaap:Electricity


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
Value2118171716161718171617171617
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.70.80.60.70.70.70.60.70.60.70.60.60.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.70.80.60.70.70.70.60.70.60.70.60.60.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana etr:Governmental us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyLouisiana, etr:Industrial, us-gaap:Electricity


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
Value475347339316335322342376384346347393368352
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.812.214.310.913.913.313.912.014.413.313.812.713.812.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.812.214.310.913.913.313.912.014.413.313.812.713.812.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana etr:Industrial us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyLouisiana, etr:NonCustomer, us-gaap:Electricity


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
Value24292.967-2.7663.5930.801-1.6174.285.45.8846.787-2.6914.8235.257
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.91.00.1-0.10.10.0-0.10.10.20.20.3-0.10.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.91.00.1-0.10.10.0-0.10.10.20.20.3-0.10.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana etr:NonCustomer us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyLouisiana, etr:OtherElectric, us-gaap:Electricity


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
Value5543203553325.51437801220347020
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.01.50.91.22.21.30.21.23.00.50.81.12.60.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.01.50.91.22.21.30.21.23.00.50.81.12.60.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana etr:OtherElectric us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyLouisiana, etr:Residential, us-gaap:Electricity


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
Value340335295413301259290426290264272408267295
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.111.812.514.212.510.711.813.610.910.110.813.210.010.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.111.812.514.212.510.711.813.610.910.110.813.210.010.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana etr:Residential us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyLouisiana, etr:RevenuesFromCustomers, us-gaap:Electricity


Revenue
Period End2021-06-302020-06-30
Value1229998
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax43.641.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax43.641.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana etr:RevenuesFromCustomers us-gaap:Electricity100.0100.0

etr:EntergyLouisiana, etr:SalesforResale, us-gaap:Electricity


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
Value74809081827884818383837111189
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.62.83.82.83.43.23.42.63.13.23.32.34.23.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.62.83.82.83.43.23.42.63.13.23.32.34.23.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana etr:SalesforResale us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyMississippi, etr:BilledRetail, us-gaap:Electricity


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value266290272315247270306365268274286353
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.410.211.510.910.311.112.411.710.110.511.411.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.410.211.510.910.311.112.411.710.110.511.411.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi etr:BilledRetail us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyMississippi, etr:Commercial, us-gaap:Electricity


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
Value10197100109899611213110297107126117110
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.63.44.23.83.74.04.64.23.83.84.34.14.44.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.63.44.23.83.74.04.64.23.83.84.34.14.44.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi etr:Commercial us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyMississippi, etr:Customer, us-gaap:Electricity


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value334296354295291336396300279
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.812.512.212.212.013.712.611.310.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.812.512.212.212.013.712.611.310.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi etr:Customer us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyMississippi, etr:Governmental, us-gaap:Electricity


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
Value101010109.79810111210109.959111110
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.40.50.40.40.40.50.40.40.40.40.40.40.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.40.50.40.40.40.50.40.40.40.40.40.40.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi etr:Governmental us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyMississippi, etr:Industrial, us-gaap:Electricity


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
Value3633383435364444383742444642
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.21.61.21.51.51.81.41.51.41.71.41.71.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.21.61.21.51.51.81.41.51.41.71.41.71.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi etr:Industrial us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyMississippi, etr:NonCustomer, us-gaap:Electricity


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
Value2.0772.2632.5721.9072.5082.442.6252.6782.4252.5692.6642.6632.5552.318
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi etr:NonCustomer us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyMississippi, etr:OtherElectric, us-gaap:Electricity


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
Value363.959.1429.612296.4431020260.4054.8424.07931-0.719
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.30.10.40.31.20.30.40.71.00.00.20.11.2-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.30.10.40.31.20.30.40.71.00.00.20.11.2-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi etr:OtherElectric us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyMississippi, etr:Residential, us-gaap:Electricity


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
Value117147122161112127138177116128127170132148
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.25.25.25.54.75.25.65.74.44.95.15.55.05.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.25.25.25.54.75.25.65.74.44.95.15.55.05.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi etr:Residential us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyMississippi, etr:RevenuesFromCustomers, us-gaap:Electricity


Revenue
Period End2021-06-302020-06-30
Value346295
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.312.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.312.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi etr:RevenuesFromCustomers us-gaap:Electricity100.0100.0

etr:EntergyMississippi, etr:SalesforResale, us-gaap:Electricity


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
Value444015291814199.5694.9944.8144.1677.876111.993
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.61.40.61.00.80.60.80.30.20.20.20.30.40.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.61.40.61.00.80.60.80.30.20.20.20.30.40.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi etr:SalesforResale us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyNewOrleans, etr:BilledRetail, us-gaap:Electricity


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value137137125158103119123165140120121178
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.94.85.35.44.34.95.05.35.34.64.85.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.94.85.35.44.34.95.05.35.34.64.85.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans etr:BilledRetail us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyNewOrleans, etr:Commercial, us-gaap:Electricity


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
Value5147465036454556534545625454
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.81.72.01.71.51.91.91.82.01.81.82.02.02.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.81.72.01.71.51.91.91.82.01.81.82.02.02.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans etr:Commercial us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyNewOrleans, etr:Customer, us-gaap:Electricity


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value138132169115130138174155129
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.95.65.84.85.45.65.65.85.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.95.65.84.85.45.65.65.85.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans etr:Customer us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyNewOrleans, etr:Governmental, us-gaap:Electricity


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
Value1816161710151619181515201817
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.60.70.60.40.70.70.60.70.60.60.70.70.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.60.70.60.40.70.70.60.70.60.60.70.70.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans etr:Governmental us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyNewOrleans, etr:Industrial, us-gaap:Electricity


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
Value8.0286.7896.6167.2193.0667.3477.4718.6138.497.256.8789.6559.2677.57
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.20.30.20.10.30.30.30.30.30.30.30.30.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.20.30.20.10.30.30.30.30.30.30.30.30.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans etr:Industrial us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyNewOrleans, etr:NonCustomer, us-gaap:Electricity


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-0.1770.416-0.106-0.16119-7.104-8.3731.7841.2341.3971.5641.9471.3181.484
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.0-0.0-0.00.8-0.3-0.30.10.00.10.10.10.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.0-0.0-0.00.8-0.3-0.30.10.00.10.10.10.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans etr:NonCustomer us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyNewOrleans, etr:OtherElectric, us-gaap:Electricity


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
Value9.51-3.3591.1282.4033.9990.7631.7492.5377.263-1.706-2.686-1.10711-3.111
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.3-0.10.00.10.20.00.10.10.3-0.1-0.1-0.00.4-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.3-0.10.00.10.20.00.10.10.3-0.1-0.1-0.00.4-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans etr:OtherElectric us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyNewOrleans, etr:Residential, us-gaap:Electricity


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
Value6066558353505281585252865864
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.12.32.42.92.22.12.12.62.22.02.12.82.22.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.12.32.42.92.22.12.12.62.22.02.12.82.22.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans etr:Residential us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyNewOrleans, etr:RevenuesFromCustomers, us-gaap:Electricity


Revenue
Period End2021-06-302020-06-30
Value159115
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.74.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.74.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans etr:RevenuesFromCustomers us-gaap:Electricity100.0100.0

etr:EntergyNewOrleans, etr:SalesforResale, us-gaap:Electricity


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
Value124.6965.9689.0578.01810126.8768.579105.1164.8636.1913
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.20.30.30.30.40.50.20.30.40.20.20.20.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.20.30.30.30.40.50.20.30.40.20.20.20.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans etr:SalesforResale us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyTexas, etr:BilledRetail, us-gaap:Electricity


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value397389365421339319335416323319345450
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.113.715.414.514.113.213.613.312.112.313.714.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.113.715.414.514.113.213.613.312.112.313.714.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas etr:BilledRetail us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyTexas, etr:Commercial, us-gaap:Electricity


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
Value1029595101848388948179891119485
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.63.44.03.53.53.43.63.03.03.03.63.63.53.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.63.44.03.53.53.43.63.03.03.03.63.63.53.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas etr:Commercial us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyTexas, etr:Customer, us-gaap:Electricity


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value480379494372338341442363340
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.916.017.015.414.013.914.113.613.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.916.017.015.414.013.914.113.613.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas etr:Customer us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyTexas, etr:Governmental, us-gaap:Electricity


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
Value6.3447.0036.2416.0245.565.625.5315.4785.2225.2335.7356.7856.4525.981
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.30.20.20.20.20.20.20.20.20.20.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.20.30.20.20.20.20.20.20.20.20.20.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas etr:Governmental us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyTexas, etr:Industrial, us-gaap:Electricity


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
Value1221061069395909310090879910810283
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.43.74.53.24.03.73.83.23.43.43.93.53.93.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.43.74.53.24.03.73.83.23.43.43.93.53.93.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas etr:Industrial us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyTexas, etr:NonCustomer, us-gaap:Electricity


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-0.568-0.5730.7010.025-0.1160.4110.3220.4460.3070.4042.3020.4780.3710.479
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.00.00.0-0.00.00.00.00.00.00.10.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.00.00.0-0.00.00.00.00.00.00.10.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas etr:NonCustomer us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyTexas, etr:OtherElectric, us-gaap:Electricity


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
Value13173.5555.6852010-4.9059.177243.4962.9452.735232.264
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.60.10.20.80.4-0.20.30.90.10.10.10.90.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.60.10.20.80.4-0.20.30.90.10.10.10.90.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas etr:OtherElectric us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyTexas, etr:Residential, us-gaap:Electricity


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
Value166179157221152140148215146147151223150148
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.96.36.77.66.35.86.06.95.55.76.07.25.65.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.96.36.77.66.35.86.06.95.55.76.07.25.65.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas etr:Residential us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyTexas, etr:RevenuesFromCustomers, us-gaap:Electricity


Revenue
Period End2021-06-302020-06-30
Value431372
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.315.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.315.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas etr:RevenuesFromCustomers us-gaap:Electricity100.0100.0

etr:EntergyTexas, etr:SalesforResale, us-gaap:Electricity


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
Value19741067138.6291016141625232523
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.72.60.52.30.50.40.40.50.60.61.00.80.90.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.72.60.52.30.50.40.40.50.60.61.00.80.90.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas etr:SalesforResale us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax dei:LegalEntity, us-gaap:ProductOrService

etr:EntergyArkansas, us-gaap:Electricity


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value550583466644491481483687542545446568494551495673496474
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.520.519.722.220.419.919.621.920.420.917.818.318.520.218.920.819.018.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.520.519.722.220.419.919.621.920.420.917.818.318.520.218.920.819.018.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyArkansas us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyLouisiana, us-gaap:Electricity


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value12541079994111010019129701221109493696911961061100510291280
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax44.538.042.038.241.537.639.438.941.035.938.638.539.836.939.239.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax44.538.042.038.241.537.639.438.941.035.938.638.539.836.939.239.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyLouisiana, us-gaap:NaturalGasUsRegulated


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1327129.8051018179.8031222181011241610
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.51.00.50.30.40.70.70.30.50.90.70.30.40.90.60.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.51.00.50.30.40.70.70.30.50.90.70.30.40.90.60.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyLouisiana us-gaap:NaturalGasUsRegulated100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyMississippi, us-gaap:Electricity


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value349336299356297293339398302282297367353315299349291258
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.411.812.612.312.312.113.812.711.410.811.911.813.311.611.410.811.110.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.411.812.612.312.312.113.812.711.410.811.911.813.311.611.410.811.110.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyMississippi us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyNewOrleans, us-gaap:Electricity


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value159139132169134123129176157130125184159155149182
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.74.95.65.85.65.15.35.65.95.05.05.96.05.75.75.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.74.95.65.85.65.15.35.65.95.05.05.96.05.75.75.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyNewOrleans, us-gaap:NaturalGasUsRegulated


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value18302212122523171832251618322216
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.71.10.90.40.51.10.90.60.71.21.00.50.71.20.90.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.71.10.90.40.51.10.90.60.71.21.00.50.71.20.90.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyNewOrleans us-gaap:NaturalGasUsRegulated100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyTexas, us-gaap:Electricity


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value430480380494372339342442363340376477403348369432378363
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.316.916.117.015.414.013.914.113.613.015.015.415.112.814.113.314.514.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.316.916.117.015.414.013.914.113.613.015.015.415.112.814.113.314.514.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyTexas us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:SystemEnergy, us-gaap:Electricity


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1611179014812613014814513914011678112148157156164154
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.74.13.85.15.25.46.04.65.25.44.72.54.25.46.04.86.36.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.74.13.85.15.25.46.04.65.25.44.72.54.25.46.04.86.36.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:SystemEnergy us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:MajorCustomers, us-gaap:ProductOrService

etr:BilledRetail, us-gaap:Electricity


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value230221932052244619401947207626242064201019672575
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax81.677.186.684.380.480.284.383.677.477.078.383.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax81.677.186.684.380.480.284.383.677.477.078.383.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:BilledRetail us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:Commercial, us-gaap:Electricity


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
Value628572580647526538604722595554555693581595
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.320.124.522.321.822.224.523.022.321.222.122.321.821.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.320.124.522.321.822.224.523.022.321.222.122.321.821.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:Commercial us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:CompetitiveBusinessSales, etr:CompetitiveBusinesses


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
Value146232184195175216241282280360399407331409
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.28.27.86.77.38.99.89.010.513.815.913.112.415.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.28.27.86.77.38.99.89.010.513.815.913.112.415.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:CompetitiveBusinessSales etr:CompetitiveBusinesses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:Customer, us-gaap:Electricity


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value247921562661216120502156280323362110
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax87.291.091.689.684.587.689.387.680.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax87.291.091.689.684.587.689.387.680.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:Customer us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:Governmental, us-gaap:Electricity


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
Value6156555646525661575251605656
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.22.02.42.01.92.22.32.02.22.02.12.02.12.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.22.02.42.01.92.22.32.02.22.02.12.02.12.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:Governmental us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:Industrial, us-gaap:Electricity


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
Value756597607589576557612686641601594682624597
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.821.025.620.323.923.024.921.824.123.023.722.023.421.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.821.025.620.323.923.024.921.824.123.023.722.023.421.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:Industrial us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:NonCustomer, etr:CompetitiveBusinesses


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
Value2.0171611192411629179.38573-38.235-27.683-22.969.789
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.60.50.71.04.81.20.60.42.8-1.5-0.9-0.90.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.60.50.71.04.81.20.60.42.8-1.5-0.9-0.90.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:NonCustomer etr:CompetitiveBusinesses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:NonCustomer, us-gaap:Electricity


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
Value3259-18.0285.79928-0.318-5.8889.8929.70310182.8199.3729.834
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.12.1-0.80.21.2-0.0-0.20.30.40.40.70.10.40.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.12.1-0.80.21.2-0.0-0.20.30.40.40.70.10.40.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:NonCustomer us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:OtherElectric, us-gaap:Electricity


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
Value187806069168501611519515374221927
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.62.82.52.47.02.10.73.77.30.61.51.48.21.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.62.82.52.47.02.10.73.77.30.61.51.48.21.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:OtherElectric us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:Residential, us-gaap:Electricity


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
Value855966808115379079880411547708027651138768892
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.334.034.139.732.832.932.736.828.930.830.536.728.832.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.334.034.139.732.832.932.736.828.930.830.536.728.832.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:Residential us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:RevenuesFromCustomers, us-gaap:Electricity


Revenue
Period End2021-06-302020-06-30
Value26092161
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax92.589.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax92.589.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:RevenuesFromCustomers us-gaap:Electricity100.0100.0

etr:SalesforResale, us-gaap:Electricity


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
Value1192054414552536263758484766969
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.27.21.95.02.22.22.62.02.83.23.42.52.62.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.27.21.95.02.22.22.62.02.83.23.42.52.62.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:SalesforResale us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

etr:CompetitiveBusinesses


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value148248196214199332270300289433361380308418362423
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.38.78.37.48.313.711.09.610.916.614.412.211.615.413.813.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.38.78.37.48.313.711.09.610.916.614.412.211.615.413.813.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:CompetitiveBusinesses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Electricity


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2641253821382666219020502150281223452121210726972330224822222793
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax93.689.290.291.890.884.587.389.688.081.383.986.987.382.584.786.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax93.689.290.291.890.884.587.389.688.081.383.986.987.382.584.786.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Electricity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NaturalGasUsRegulated


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value31583522224341273054432629563826
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.12.01.50.80.91.81.70.91.22.11.70.81.12.11.50.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.12.01.50.80.91.81.70.91.22.11.70.81.12.11.50.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NaturalGasUsRegulated100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

etr:CompetitiveBusinesses, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.31239142594185.58951-10.5662.735-30.082
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.01.40.51.03.90.60.22.0-0.30.1-1.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.01.40.51.03.90.60.22.0-0.30.1-1.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:CompetitiveBusinesses us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

etr:Eliminations


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value-0.002-0.020.0-0.01
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.00.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.00.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:Eliminations100.0100.00.0100.0

etr:EntergyWholesaleCommodities


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value148248196214199332270300289433361380308418362423317553508475344522458521439642623605577912542623533613571626567560594641568610611671
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.38.78.37.48.313.711.09.610.916.614.412.211.615.413.813.012.121.419.215.214.020.00.015.516.222.00.017.519.328.40.018.619.523.523.521.222.523.523.918.920.324.024.220.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.38.78.37.48.313.711.09.610.916.614.412.211.615.413.813.012.121.419.215.214.020.00.015.516.222.00.017.519.328.40.018.619.523.523.521.222.523.523.918.920.324.024.220.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:EntergyWholesaleCommodities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:Utility


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value26732596217326892213209421912840237621752151272423602304226128202301203521402649211820872050284922732277220728522409230421532732221220031868234419591831190227602241193719242666
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax94.791.391.792.691.786.389.090.489.183.485.687.888.484.686.287.087.978.680.884.886.080.00.084.583.878.00.082.580.471.80.081.580.876.876.779.177.876.876.481.380.076.276.080.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax94.791.391.792.691.786.389.090.489.183.485.687.888.484.686.287.087.978.680.884.886.080.00.084.583.878.00.082.580.471.80.081.580.876.876.779.177.876.876.481.380.076.276.080.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax etr:Utility100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllOtherSegments


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.0310.0230.0240.0250.0180.0110.010.0090.0020.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0560.2750.7260.7610.7830.7870.9871.01.0211.061.0080.9591.0041.0151.0381.1012.4450.971
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AllOtherSegments100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination


Revenue
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-0.0140.0-0.01-0.01-0.019-0.013-0.01-0.01-0.04-0.04-0.033-0.019-0.038-0.037-0.021-0.019-0.034-0.026-0.02-0.011-0.021-0.02-0.01-0.0250.0078.637-8.744-4.586-4.631-8.638-9.3-5.287-9.234-9.658-9.191-8.409-7.31-7.31-7.657-5.772-7.449
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.00.00.00.3-0.30.0-0.1-0.3-0.4-0.2-0.3-0.4-0.4-0.3-0.2-0.3-0.3-0.2-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.00.00.00.3-0.30.0-0.1-0.3-0.4-0.2-0.3-0.4-0.4-0.3-0.2-0.3-0.3-0.2-0.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:IntersegmentElimination100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value28222844237029032412242724623140266626092512310426682723262332432618258826483124246226093371271329203458299632083351273826082436296325182383248933952803254125333332
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value5594958667582395607053365525555172350506505654960548275484714762247281467074639846007453184590447738458774593344647450414626546377465274454144150438764340643324432624279243202420234091740930407013916139129385983868537561
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets dei:LegalEntity

etr:EntergyArkansas


Assetsdei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1235012113121001226011416112551120511036108581086210401106181053510107101341007198999607960694439295909887478840875487838807820881878274803480308017781078197310719571027212685968416751
Percentage of Assets22.120.620.821.921.421.421.721.921.521.921.521.922.121.421.721.721.521.220.919.820.319.819.619.618.918.918.918.418.518.918.518.518.518.318.117.417.617.417.717.517.517.5
Percentage of Assets22.120.620.821.921.421.421.721.921.521.921.521.922.121.421.721.721.521.220.919.820.319.819.619.618.918.918.918.418.518.918.518.518.518.318.117.417.617.417.717.517.517.5
Percentage of Assets etr:EntergyArkansas100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyLouisiana


Assetsdei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value250902518124705236152228121863214642121520895204561965119569190931938918448185981837817799177011731217095171761638710248102071014310129993197709520945093008894879590748850825380958063792879867488
Percentage of Assets44.842.942.442.141.841.641.542.041.341.240.740.440.141.039.540.139.939.338.636.337.337.436.722.822.121.921.822.322.121.721.821.520.620.621.021.120.219.819.820.220.419.4
Percentage of Assets44.842.942.442.141.841.641.542.041.341.240.740.440.141.039.540.139.939.338.636.337.337.436.722.822.121.921.822.322.121.721.821.520.620.621.021.120.219.819.820.220.419.4
Percentage of Assets etr:EntergyLouisiana100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyMississippi


Assetsdei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value523551775007492948644658467442324273393739463886388738903879380836893562360237963532347834773506341733783373326533143383325033253349329133543003294529292943289228812761
Percentage of Assets9.48.88.68.89.18.99.08.48.57.98.28.08.28.28.38.28.07.97.88.07.77.67.87.87.47.37.37.37.57.77.57.77.77.77.87.17.27.27.27.47.47.1
Percentage of Assets9.48.88.68.89.18.99.08.48.57.98.28.08.28.28.38.28.07.97.88.07.77.67.87.87.47.37.37.37.57.77.57.77.77.77.87.17.27.27.27.47.47.1
Percentage of Assets etr:EntergyMississippi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyNewOrleans


Assetsdei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value190919001938186318431855173516781638159715761615154815041497150714881480149415041397137412151169943920934898887895888915972903881867801792806845842853
Percentage of Assets3.43.23.33.33.53.53.43.33.23.23.33.33.33.23.23.23.23.33.33.23.03.02.72.62.02.02.02.02.02.02.02.12.22.12.02.12.01.92.02.22.22.2
Percentage of Assets3.43.23.33.33.53.53.43.33.23.23.33.33.33.23.23.23.23.33.33.23.03.02.72.62.02.02.02.02.02.02.02.12.22.12.02.12.01.92.02.22.22.2
Percentage of Assets etr:EntergyNewOrleans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyTexas


Assetsdei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value605659696227577054345383507049534674449344004292422541714279416840944041403340294044398038983955393638493908387038693852392139433949388040253979396839964059391337613783
Percentage of Assets10.810.210.710.310.210.29.89.89.29.19.18.98.98.89.29.08.98.98.88.48.88.78.78.88.58.38.48.78.88.89.09.19.19.19.39.59.79.810.010.09.69.8
Percentage of Assets10.810.210.710.310.210.29.89.89.29.19.18.98.98.89.29.08.98.98.88.48.88.78.78.88.58.38.48.78.88.89.09.19.19.19.39.59.79.810.010.09.69.8
Percentage of Assets etr:EntergyTexas100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:SystemEnergy


Assetsdei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value438642814413407240273955398238993873388238484034407939523938394640033981392738293815394837283753365337673830362436303614354334243423353036233551348334053245304630783224
Percentage of Assets7.87.37.67.37.57.57.77.77.77.88.08.38.68.48.48.58.78.88.68.08.38.68.48.37.98.18.28.18.28.28.27.97.98.28.48.58.58.38.07.87.98.3
Percentage of Assets7.87.37.67.37.57.57.77.77.77.88.08.38.68.48.48.58.78.88.68.08.38.68.48.37.98.18.28.18.28.28.27.97.98.28.48.58.58.38.07.87.98.3
Percentage of Assets etr:SystemEnergy100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value-2053.951-2502.733-2694.742
Percentage of Assets-3.5-4.8-5.6
Percentage of Assets-3.5-4.8-5.6
Percentage of Assets us-gaap:IntersegmentElimination100.0100.0100.0

us-gaap:Assets us-gaap:StatementBusinessSegments

etr:Eliminations


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-31
Value-1996.339-2079.612-2053.951
Percentage of Assets-3.6-3.5-3.5
Percentage of Assets-3.6-3.5-3.5
Percentage of Assets etr:Eliminations100.0100.0100.0

etr:EntergyCorporationConsolidated


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value582395172348275
Percentage of Assets100.0100.0100.0
Percentage of Assets100.0100.0100.0
Percentage of Assets etr:EntergyCorporationConsolidated100.0100.0100.0

etr:EntergyWholesaleCommodities


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value120937933800374336583921415441225211506554595507543355045638563056276018669691007913821083091027996969623105331010211134
Percentage of Assets2.26.56.56.76.97.58.08.210.310.211.311.411.411.612.112.112.213.314.619.117.218.418.422.122.322.325.926.129.6
Percentage of Assets2.26.56.56.76.97.58.08.210.310.211.311.411.411.612.112.112.213.314.619.117.218.418.422.122.322.325.926.129.6
Percentage of Assets etr:EntergyWholesaleCommodities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:Utility


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value5624056086559405382551205504214955748348472974650244777448894411743690429784266942263411944109840542398413835638739382953553935438327343108029892
Percentage of Assets100.595.696.196.096.095.995.895.793.593.792.892.692.692.492.092.091.990.989.584.986.885.986.082.381.982.080.480.379.6
Percentage of Assets100.595.696.196.096.095.995.895.793.593.792.892.692.692.492.092.091.990.989.584.986.885.986.082.381.982.080.480.379.6
Percentage of Assets etr:Utility100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllOtherSegments


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value49686755251949369751450149371973312741240834101198511651242128313391211-461.505843-654.831-486.438-509.985-507.86-714.968-646.756
Percentage of Assets0.91.50.90.90.91.31.01.01.01.51.52.62.61.82.22.12.52.72.82.82.6-1.01.9-1.4-1.1-1.2-1.2-1.8-1.7
Percentage of Assets0.91.50.90.90.91.31.01.01.01.51.52.62.61.82.22.12.52.72.82.82.6-1.01.9-1.4-1.1-1.2-1.2-1.8-1.7
Percentage of Assets us-gaap:AllOtherSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntersegmentElimination


Assetsus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value-2017.653-1992.057-2485.955-2502.733-2466.093-2437.82-2682.69-2694.742-3200.248-3168.859-2747.732-2921.141-2886.837-3049.236-3136.613-3174.171-3245.07-3089.215-1457.903-2851.355-1392.124-1343.406-1348.988-2058.07-1782.813-2818.17
Percentage of Assets-3.6-3.7-4.7-4.8-4.9-4.8-5.4-5.6-6.6-6.7-5.8-6.3-6.2-6.6-6.9-6.9-6.8-6.7-3.3-6.3-3.0-3.1-3.1-5.1-4.6-7.5
Percentage of Assets-3.6-3.7-4.7-4.8-4.9-4.8-5.4-5.6-6.6-6.7-5.8-6.3-6.2-6.6-6.9-6.9-6.8-6.7-3.3-6.3-3.0-3.1-3.1-5.1-4.6-7.5
Percentage of Assets us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value5594958667582395607053365525555172350506505654960548275484714762247281467074639846007453184590447738458774593344647450414626546377465274454144150438764340643324432624279243202420234091740930407013916139129385983868537561
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity dei:LegalEntity

etr:EntergyArkansas


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1235012113121001226011416112551120511036108581086210401106181053510107101341007198999607960694439295909887478840875487838807820881878274803480308017781078197310719571027212685968416751
Percentage of LiabilitiesAndStockholdersEquity22.120.620.821.921.421.421.721.921.521.921.521.922.121.421.721.721.521.220.919.820.319.819.619.618.918.918.918.418.518.918.518.518.518.318.117.417.617.417.717.517.517.5
Percentage of Assets22.120.620.821.921.421.421.721.921.521.921.521.922.121.421.721.721.521.220.919.820.319.819.619.618.918.918.918.418.518.918.518.518.518.318.117.417.617.417.717.517.517.5
Percentage of Assets etr:EntergyArkansas100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

etr:EntergyLouisiana


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value250902518124705236152228121863214642121520895204561965119569190931938918448185981837817799177011731217095171761638710248102071014310129993197709520945093008894879590748850825380958063792879867488
Percentage of LiabilitiesAndStockholdersEquity44.842.942.442.141.841.6