NEE


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

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesOutstanding
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:GainLossOnInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
dei:LegalEntity

us-gaap:IncomeTaxExpenseBenefit
dei:LegalEntity
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome
us-gaap:InterestExpense

us-gaap:NetIncomeLoss
dei:LegalEntity
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NonoperatingIncomeExpense
dei:LegalEntity

us-gaap:OperatingExpenses
dei:LegalEntity
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingIncomeLoss
dei:LegalEntity

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense
dei:LegalEntity

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

us-gaap:RegulatedAndUnregulatedOperatingRevenue
dei:LegalEntity
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
dei:LegalEntity

us-gaap:Assets
dei:LegalEntity
dei:LegalEntity, us-gaap:ConsolidatedEntities
dei:LegalEntity, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:BusinessAcquisition
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:SubsequentEventType

us-gaap:Liabilities
dei:LegalEntity
dei:LegalEntity, us-gaap:ConsolidatedEntities
dei:LegalEntity, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
dei:LegalEntity

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

us-gaap:AssetsCurrent
dei:LegalEntity

us-gaap:CashAndCashEquivalentsAtCarryingValue
dei:LegalEntity

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
dei:LegalEntity

us-gaap:AccountsReceivableNetCurrent
dei:LegalEntity

us-gaap:InventoryNet
dei:LegalEntity

us-gaap:OtherAssetsCurrent
dei:LegalEntity

us-gaap:AssetsNoncurrent
dei:LegalEntity

us-gaap:PropertyPlantAndEquipmentGross
dei:LegalEntity

us-gaap:ConstructionInProgressGross

us-gaap:PropertyPlantAndEquipmentNet
dei:LegalEntity
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:Goodwill
dei:LegalEntity
dei:LegalEntity, us-gaap:BusinessAcquisition
dei:LegalEntity, us-gaap:StatementBusinessSegments
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:StatementBusinessSegments

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent
dei:LegalEntity

us-gaap:OtherAssets
dei:LegalEntity

us-gaap:ContractWithCustomerLiabilityCurrent
dei:LegalEntity

us-gaap:LiabilitiesCurrent
dei:LegalEntity

us-gaap:LongTermDebtCurrent
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:OtherLiabilitiesCurrent
dei:LegalEntity

us-gaap:LiabilitiesNoncurrent
dei:LegalEntity
dei:LegalEntity
us-gaap:LongTermDebt

us-gaap:LongTermDebtNoncurrent
dei:LegalEntity
us-gaap:ConsolidatedEntities

us-gaap:DeferredIncomeTaxLiabilitiesNet
dei:LegalEntity

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent
dei:LegalEntity

us-gaap:OperatingLeaseLiability

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

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

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock
dei:LegalEntity

us-gaap:RetainedEarningsAccumulatedDeficit
dei:LegalEntity

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:MinorityInterest
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
dei:LegalEntity

us-gaap:DeferredIncomeTaxExpenseBenefit
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInOperatingActivities
dei:LegalEntity

us-gaap:NetIncomeLoss
dei:LegalEntity
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

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

us-gaap:NetCashProvidedByUsedInInvestingActivities
dei:LegalEntity

us-gaap:NetCashProvidedByUsedInFinancingActivities
dei:LegalEntity

us-gaap:ProceedsFromIssuanceOfLongTermDebt
dei:LegalEntity

us-gaap:RepaymentsOfLongTermDebt
dei:LegalEntity

us-gaap:PaymentsOfDividends
dei:LegalEntity
dei:LegalEntity, us-gaap:StatementEquityComponents
dei:LegalEntity, us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateStatedPercentage
nee:EquityUnits

us-gaap:EffectiveIncomeTaxRateContinuingOperations
dei:LegalEntity
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities
dei:LegalEntity

us-gaap:DeferredTaxAssetsNet
dei:LegalEntity

us-gaap:DeferredTaxAssetsValuationAllowance

nee:BadDebtExpense
dei:LegalEntity, us-gaap:StatementScenario
nee:BasisPointIncentive

nee:CapitalExpendituresOfFPLSegment

nee:CapitalExpendituresOfGulfPowerSegment
dei:LegalEntity
nee:CapitalExpendituresOfPublicUtilitiesFPLConsolidated

nee:CapitalExpendituresOfPublicUtility
dei:LegalEntity

nee:ComprehensiveIncomeLossNetofTaxandDeconsolidationIncludingPortionAttributabletoNoncontrollingInterest

nee:CostRecoveryClausesAndFranchiseFees
dei:LegalEntity

nee:DecreaseInJointVentureInvestmentsAcquisition

nee:DepreciationAndAmortizationExcludingNuclearFuel
dei:LegalEntity

nee:DisposalGroupNotDiscontinuedOperationImpactonDisposal

nee:DisposalGroupNotDiscontinuedOperationImpactonDisposaltax

nee:EffectiveIncomeTaxRateReconciliationProductionAndInvestmentTaxCredits
us-gaap:ConsolidatedEntities
nee:ElectricityTransmissionLine
dei:LegalEntity
nee:EligibleStormRecoveryCosts
dei:LegalEntity, us-gaap:PublicUtility
us-gaap:PublicUtility, us-gaap:StatementBusinessSegments
nee:FairValueInputsTransactionType, nee:SignificantUnobservableInputs, us-gaap:Range, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:ValuationTechnique
nee:FairValueInputsExpectedRates
nee:FairValueInputsTransactionType, nee:SignificantUnobservableInputs, us-gaap:Range, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:ValuationTechnique
nee:FairValueInputsOfferedQuotesPricePerEnergyUnit
dei:LegalEntity, nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType
nee:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInRegulatoryAssetsAndLiabilities
nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType
nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType
nee:FairValueNetAssetsLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInEarnings
nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType
nee:FairValueNetAssetsLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInOperatingRevenues
nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType
nee:FairValueNetAssetsLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInOperatingRevenues

nee:FuelPurchasedPowerAndInterchangeExpense
dei:LegalEntity
dei:LegalEntity
nee:GainLossesOnCommodityContractsNotDesignatedAsHedgesRecordedAsRegulatoryAssetsLiabilities

nee:HighCommonStockSalesPrice
dei:LegalEntity, us-gaap:StatementScenario
nee:IncreaseInBaseRateRevenues

nee:IncreaseInPropertyPlantAndEquipmentAcquisition

nee:IndependentPowerInvestments

nee:InterestExpenseAggregateExpenses
dei:LegalEntity

nee:InterestIncome

nee:LowCommonStockSalesPrice
dei:LegalEntity, us-gaap:InvestmentType
nee:Marketablesecuritiesunrealizedgainlossrecognizedduringtheperiodonsecuritiesstillheld
us-gaap:InvestmentType
dei:LegalEntity, us-gaap:ConsolidatedEntities
nee:NaturalGasAndOrOilElectricGeneratingFacilityCapacity
dei:LegalEntity, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

nee:NuclearFuelAndOtherAmortization
dei:LegalEntity

nee:OtherCapitalExpenditures

nee:OtherComprehensiveIncomeLossRelatedToEquityMethodInvesteeTax

nee:OtherThanTemporaryImpairmentLossesOnSecuritiesHeldInNuclearDecommissioningFunds

nee:PaymentsToAcquireBusinessesGrossAndRelatedCapitalExpenditures
dei:LegalEntity, nee:PlannedCapitalExpendituresByCommitment
nee:PlannedNewGenerationToBeAddedover5Years
nee:PlannedCapitalExpendituresByCommitment, us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents
nee:PremiumOnPubliclyTradedEquityUnitsKnownAsCorporateUnits

nee:ProceedsfromSaleofIndependentPowerInvestments
dei:LegalEntity, us-gaap:StatementScenario
nee:RegulatoryReturnOnCommonEquity

nee:SaleOfDifferentialMembershipInterests
dei:LegalEntity, us-gaap:ConsolidatedEntities
nee:SolarGeneratingFacilityCapability
dei:LegalEntity, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:StatementBusinessSegments
nee:UnrecognizedRevenue
us-gaap:ConsolidatedEntities
nee:VariableInterestEntityConsolidatedIncomeAllocationPercentage
dei:LegalEntity, us-gaap:ConsolidatedEntities
nee:WindElectricGeneratingFacilityCapability

us-gaap:AmountRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLossBeforeTax
dei:LegalEntity, us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1

us-gaap:CapitalExpendituresIncurredButNotYetPaid
dei:LegalEntity

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:CommonStockDividendsPerShareCashPaid
dei:LegalEntity, us-gaap:ConcentrationRiskByBenchmark
us-gaap:ConcentrationRiskPercentage1
dei:LegalEntity, us-gaap:StatementClassOfStock
us-gaap:ConversionOfStockAmountConverted1
dei:LegalEntity, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:FinancialInstrument
us-gaap:DebtSecuritiesAvailableForSaleRealizedGain
us-gaap:FinancialInstrument
dei:LegalEntity, us-gaap:FinancialInstrument
us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss
us-gaap:FinancialInstrument
us-gaap:IncomeTaxAuthority
us-gaap:DeferredIncomeTaxesAndTaxCredits
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
dei:LegalEntity, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanSpecialTerminationBenefits

us-gaap:DepreciationAndAmortization
dei:LegalEntity
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
us-gaap:HedgingDesignation
dei:LegalEntity, us-gaap:DerivativeInstrumentRisk, us-gaap:Position
us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure
us-gaap:DerivativeInstrumentRisk, us-gaap:Position
us-gaap:DerivativeInstrumentRisk, us-gaap:Position
us-gaap:DerivativeNonmonetaryNotionalAmountVolume

us-gaap:DilutiveSecurities
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:DividendsCommonStock
us-gaap:StatementEquityComponents

us-gaap:EarningsPerShareDilutedProFormaAdjustment

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential

us-gaap:EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense

us-gaap:EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAmortization
dei:LegalEntity

us-gaap:EffectiveIncomeTaxRateReconciliationOtherAdjustments
dei:LegalEntity

us-gaap:EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
dei:LegalEntity

us-gaap:EquityMethodInvestmentDividendsOrDistributions
nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
dei:LegalEntity, nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType
nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales
nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType
us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings
nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType
us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss
nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType
us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersIntoLevel3

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncreaseDecreaseInOtherCurrentAssets
dei:LegalEntity

us-gaap:IncreaseDecreaseInOtherCurrentLiabilities
dei:LegalEntity

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets
dei:LegalEntity

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities
dei:LegalEntity
us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:InterestAndFeeIncomeOtherLoans

us-gaap:NetIncomeLossAttributableToParentDiluted
us-gaap:StatementEquityComponents
us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherOperatingActivitiesCashFlowStatement
dei:LegalEntity

us-gaap:PaymentsForProceedsFromNuclearFuel
dei:LegalEntity

us-gaap:PaymentsForProceedsFromOtherInvestingActivities
dei:LegalEntity

us-gaap:PaymentsOfStockIssuanceCosts
dei:LegalEntity, us-gaap:BusinessAcquisition
us-gaap:PaymentsToAcquireBusinessesGross

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

us-gaap:ProceedsFromDecommissioningFund
dei:LegalEntity

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromOtherShortTermDebt

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
dei:LegalEntity

us-gaap:ProceedsFromRepaymentsOfCommercialPaper
dei:LegalEntity

us-gaap:ProceedsFromRepaymentsOfRelatedPartyDebt
dei:LegalEntity, us-gaap:FinancialInstrument
us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
us-gaap:FinancialInstrument
dei:LegalEntity, us-gaap:SubsequentEventType
us-gaap:ProceedsFromSaleOfInterestInPartnershipUnit

us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
dei:LegalEntity

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
dei:LegalEntity
us-gaap:RelatedPartyTransactionAmountsOfTransaction
dei:LegalEntity, us-gaap:ConsolidationItems

us-gaap:RepaymentsOfOtherShortTermDebt
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
dei:LegalEntity, us-gaap:StatementEquityComponents
us-gaap:StockholdersEquityOther
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockholdersEquityOtherShares

us-gaap:TaxesExcludingIncomeAndExciseTaxes
dei:LegalEntity

us-gaap:TemporaryEquityInterestInSubsidiaryEarnings

us-gaap:TemporaryEquityNetIncome

us-gaap:UnrealizedGainLossOnDerivativesAndCommodityContracts

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

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

nee:AOCIIncludingPortionAttributabletoNoncontrollingInterestNetOfTax
us-gaap:StatementEquityComponents

nee:AccruedInterestAndTaxes
dei:LegalEntity

nee:AccumulatedDepreciationAndAmortization

nee:AccumulatedOtherComprehensiveIncomeLossNoncontrollingInterestAndParentNetofTax
us-gaap:StatementEquityComponents

nee:AdditionalCollateralAggregateFairValueDueToCreditRatingDowngradeToBbbOrBaa2

nee:AdditionalCollateralAggregateFairValueDueToCreditRatingDowngradeToBelowInvestmentGrade
dei:LegalEntity

nee:AdditionalCollateralAggregateFairValueDueToOtherFinancialMeasures
dei:LegalEntity
nee:EquityUnits, us-gaap:Range
nee:AdjustedThresholdAppreciationPrice
nee:EquityUnits
nee:AmountOfEquityUnitsSold
dei:LegalEntity
nee:AmountOfLimitedInsuranceCoveragePerOccurrencePerSiteUnderNuclearInsuranceMutualCompaniesForPropertyDamageDecontaminationAndPrematureDecommissioningRisks
dei:LegalEntity
nee:AmountOfPrivateLiabilityInsurancePerNuclearPowerPlantSite

nee:AmountOfSecondaryFinancialProtectionPerIncidentAtNuclearReactor
dei:LegalEntity
nee:AmountOfSublimitForNonNuclearPerilsPerOccurrencePerSiteUnderNuclearInsuranceMutualCompaniesForPropertyDamageDecontaminationAndPrematureDecommissioningRisks

nee:ApproximateNumberOfCustomerAccounts
dei:LegalEntity, us-gaap:SubsequentEventType
nee:AssumptionOfNoncontrollingInterestAndDebt
dei:LegalEntity
nee:BatteryStorageFacilityCapacity
us-gaap:BusinessAcquisition
nee:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRegulatoryAssets
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisition
nee:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRegulatoryLiabilities
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:StatementBusinessSegments
nee:CommitmentToInvest
dei:LegalEntity, us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
nee:CommitmentsIncludedInPlannedCapitalExpenditures
us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased, us-gaap:StatementBusinessSegments

nee:ConvertibleInvestmentTaxCreditsIncludedInOtherReceivables

nee:CurrentRegulatoryAssetsOther
dei:LegalEntity
us-gaap:Ownership, us-gaap:DebtInstrument, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType
nee:DebtCovenantSecuredInterestInOwnershipPercentage
dei:LegalEntity, us-gaap:DebtInstrument
nee:DebtInstrumentFaceAmountNotRequiredToBeHeldToFinalMaturity
dei:LegalEntity
nee:DebtInstrumentUnamortizedDebtIssuanceCostsAndPremiumAndDiscount
dei:LegalEntity
nee:DebtInstrumentUnamortizedDebtIssuanceCostsandPremium
dei:LegalEntity, us-gaap:FinancialInstrument
nee:DebtSecuritiesContinuousUnrealizedLossPositionFairValue
us-gaap:FinancialInstrument

nee:DeemedCapitalStructure
dei:LegalEntity
us-gaap:StatementBusinessSegments

nee:DeferredTaxAssetsTaxDeferredExpenseDecommissioningReserves
dei:LegalEntity

nee:Deferredtaxliabilitiesequitymethodinvestmentofwhollyownedindirectsubsidiary
dei:LegalEntity
us-gaap:RetirementPlanType
nee:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesNetOfTax
us-gaap:RetirementPlanType
nee:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesTax
us-gaap:RetirementPlanType
nee:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditNetOfTax
us-gaap:RetirementPlanType
nee:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditTax
us-gaap:RetirementPlanType
nee:DefinedBenefitPlanRegulatoryAssetsLiabilitiesTotal
us-gaap:RetirementPlanType
nee:DefinedBenefitPlanRegulatoryAssetsLiabilitiesUnrecognizedGainsLosses
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nee:EquityMethodInvestmentsOfWhollyOwnedIndirectSubsidiary

nee:FinanceLeaseWeightedAverageBorrowingRatePercent
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nee:FloatingRateNotesThatPermitIndividualNoteholderstoRequireRepaymentPriortoMaturity
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nee:PotentialRetrospectiveAssessmentsApproximateRecoveryOfProportionateShareFromMinorityInterestsUnderNuclearInsuranceMutualCompanies
nee:InsuranceByNuclearPowerPlant
nee:PotentialRetrospectiveAssessmentsApproximateRecoveryOfProportionateShareFromMinorityInterestsUnderSecondaryFinancialProtectionSystem

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dei:LegalEntity

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nee:EquityUnits, us-gaap:Range
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nee:EquityUnits
nee:PrincipalAmountOfEachDebenture
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nee:ProjectDevelopmentCosts
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nee:PublicUtilitiesNumberOfCustomersImpactedByHurricane
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nee:PublicUtilitiesPropertyPlantAndEquipmentPlantInServiceGross
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nee:PublicUtilitiesStormRestorationCosts

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nee:RateOfPaymentsOnStockPurchaseContracts
nee:EquityUnits
nee:RateOfTotalAnnualDistributionsOnEquityUnits
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nee:ReductionToAdditionalPaidInCapitalGross
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nee:RenewableEnergyAssetsPowerGenerationCapacity
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nee:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAggregateIntrinsicValue

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nee:SpecialUseFundsUsGovernmentAndMunicipalBondsFairValueDisclosure
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nee:EquityUnits
nee:StatedAmountOfEachEquityUnit
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nee:TaxCreditCarryfowardDeferredTaxAssetwithIndefiniteExpirationPeriod
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nee:TheAdjustedReferencePrice
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nee:TotalPlannedCapitalExpenditures
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nee:UltimateCostsOfNuclearDecommissioningForWhollyOwnedIndirectSubsidiary
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nee:UltimateCostsOfNuclearDecommissioningInCurrentYearDollarsForWhollyOwnedIndirectSubsidiary
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nee:UltimateCostsOfNuclearDecommissioningInCurrentYearDollarsForWhollyOwnedSubsidiary
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nee:UltimateCostsOfPlantDismantlement
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nee:UltimateCostsOfPlantDismantlementInCurrentYearDollars
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nee:UnamortizedDebtIssuanceCostsandDiscount
nee:EquityUnits
nee:UndividedBeneficialOwnershipInterestPerDebenture
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nee:VariableRateTaxExemptBonds

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dei:LegalEntity, us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
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us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
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us-gaap:CashAndCashEquivalentsFairValueDisclosure
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us-gaap:FairValueByMeasurementFrequency

us-gaap:CollateralAlreadyPostedAggregateFairValue

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dei:LegalEntity

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dei:LegalEntity
us-gaap:ConvertibleDebt
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us-gaap:DebtInstrumentCarryingAmount
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us-gaap:IncomeTaxAuthority

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us-gaap:RetirementPlanType
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us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
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us-gaap:DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement
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us-gaap:DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset
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us-gaap:DerivativeAssets
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us-gaap:HedgingDesignation

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us-gaap:DerivativeAssetsNoncurrent

us-gaap:DerivativeCollateralObligationToReturnCash

us-gaap:DerivativeCollateralRightToReclaimCash
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us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation
us-gaap:DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
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us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation

us-gaap:DerivativeLiabilities
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dei:LegalEntity, us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:HedgingDesignation

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us-gaap:DerivativeLiabilitiesNoncurrent
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us-gaap:BalanceSheetLocation
us-gaap:DerivativeLiabilityCollateralRightToReclaimCashOffset
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us-gaap:DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency
dei:LegalEntity, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeNetLiabilityPositionAggregateFairValue
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us-gaap:DerivativeInstrumentRisk, us-gaap:Position
us-gaap:DerivativeNonmonetaryNotionalAmount
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount
dei:LegalEntity, us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration

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us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:DueFromRelatedPartiesNoncurrent
us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty
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us-gaap:DueToRelatedPartiesCurrentAndNoncurrent
us-gaap:CounterpartyName

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
dei:LegalEntity
us-gaap:EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity
dei:LegalEntity, us-gaap:CounterpartyName
us-gaap:EquityMethodInvestmentOwnershipPercentage
dei:LegalEntity, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
dei:LegalEntity
us-gaap:EquityMethodInvestmentUnderlyingEquityInNetAssets

us-gaap:EquityMethodInvestments
dei:LegalEntity
dei:LegalEntity, us-gaap:BalanceSheetLocation
us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs
dei:LegalEntity
dei:LegalEntity, nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType
nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:GuaranteeObligationsCurrentCarryingValue
us-gaap:CounterpartyName

us-gaap:GuaranteesFairValueDisclosure
us-gaap:CounterpartyName
dei:LegalEntity, us-gaap:JointlyOwnedUtilityPlant
us-gaap:JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService
dei:LegalEntity, us-gaap:JointlyOwnedUtilityPlant
us-gaap:JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress
dei:LegalEntity, us-gaap:JointlyOwnedUtilityPlant
us-gaap:JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation
dei:LegalEntity, us-gaap:JointlyOwnedUtilityPlant
us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare
nee:FairValueInputsTransactionType, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass
us-gaap:LiabilitiesFairValueDisclosure
nee:FairValueInputsTransactionType, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:ValuationTechnique
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass
dei:LegalEntity, us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
dei:LegalEntity, us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
dei:LegalEntity

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
dei:LegalEntity

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
dei:LegalEntity

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
dei:LegalEntity

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
dei:LegalEntity
dei:LegalEntity, us-gaap:DebtInstrument
us-gaap:LongtermDebtWeightedAverageInterestRate
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:Subsegments
us-gaap:EquityMethodInvestmentNonconsolidatedInvestee
us-gaap:MembersEquity
dei:LegalEntity, us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners
dei:LegalEntity, us-gaap:Ownership, us-gaap:StatementGeographical, us-gaap:SubsequentEventType
us-gaap:ConsolidatedEntities
us-gaap:NoncontrollingInterestInVariableInterestEntity
dei:LegalEntity
us-gaap:OtherMinorityInterests

us-gaap:OtherReceivablesNetCurrent
dei:LegalEntity

us-gaap:OtherShortTermBorrowings
dei:LegalEntity
us-gaap:PropertyPlantAndEquipmentFairValueDisclosure
dei:LegalEntity
us-gaap:PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation
dei:LegalEntity
us-gaap:PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress
dei:LegalEntity
us-gaap:PublicUtilitiesPropertyPlantAndEquipmentFuel

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

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount

us-gaap:RegulatoryAssetsCurrent
dei:LegalEntity

us-gaap:RegulatoryAssetsNoncurrent
dei:LegalEntity

us-gaap:RegulatoryLiabilityCurrent
dei:LegalEntity

us-gaap:RegulatoryLiabilityNoncurrent
dei:LegalEntity

us-gaap:RestrictedCashAndCashEquivalents
dei:LegalEntity
dei:LegalEntity, us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
dei:LegalEntity, us-gaap:BalanceSheetLocation
us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue
us-gaap:BalanceSheetLocation
dei:LegalEntity
us-gaap:RevenueRemainingPerformanceObligation
us-gaap:StatementBusinessSegments

us-gaap:SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived

us-gaap:SalesTypeLeaseNetInvestmentInLease
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShortTermDebtWeightedAverageInterestRate
dei:LegalEntity

us-gaap:TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests

us-gaap:UnbilledContractsReceivable
dei:LegalEntity

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

Plots across concepts


IncomeStatement
Income Loss From Continuing Operations 
Before Income Taxes Extraordinary Items Noncontrolling Interest
Expenses
Income Tax Expense Benefit
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Operating Lease Right Of Use Asset
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Current Liabilities
Contract With Customer Liability Current
Noncurrent Liabilities
Other Liabilities Noncurrent
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
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Proceeds From Payments For Other Financing Activities
Shares
Common Stock Shares Outstanding
NonoperatingIncomeExpense
Nonoperating Income Expense
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:CommonStockValue ███▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁20.020.020.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.0NANANA4.0NANANA
us-gaap:CommonStockSharesOutstanding ███▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1962.01961.01960.0490.0490.0489.0489.0489.0479.0479.0478.0478.0472.0471.0471.0470.0469.0468.0468.0467.0462.0461.0461.0461.0452.0444.0443.0436.0436.0436.0435.0431.0425.0425.0424.0423.0423.0417.0416.0NANANA421.0NANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█1970.31973.0NA492.2491.8491.7NA486.0482.8481.8NA477.4475.2474.3NA473.5471.7470.2NA466.0464.6462.9NA456.0449.2448.8NA440.5440.1438.2NA426.8424.8423.7NA421.7417.2414.7NA419.8419.3418.4NA413.7411.4410.1NANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁1962.41961.6NA489.9489.7489.3NA481.9478.9478.3NA473.1471.1470.7NA469.4467.9467.5NA463.3461.3460.5NA454.1445.5442.3NA434.5434.1433.5NA423.8421.8421.0NA419.3415.0412.3NA417.4416.9415.8NA410.9408.9407.5NANANANA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount █▁61.558.4NA11.59.56.2NA2.20.50.5NANA0.30.2NA1.00.411.9NA11.20.30.2NA8.15.50.1NA5.40.20.1NA6.00.30.4NA3.210.30.6NA14.61.114.3NA9.47.88.3NANANANA
us-gaap:EarningsPerShareBasic ▃▄▁▅▅▄▄▄▅▄▄▄▄█▆▄▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄0.130.85-4.47999999999999952.512.60.862.01.822.581.420.882.131.699.414.581.81.693.392.071.631.171.381.11.941.611.472.031.521.130.990.761.651.450.651.020.991.461.121.60.981.390.640.641.751.021.360.861.320.920.9
us-gaap:EarningsPerShareDiluted ▃▄▁▅▅▄▄▄▅▄▄▄▄█▆▄▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄0.130.84-4.4600000000000012.52.590.861.991.812.561.410.882.11.649.324.551.791.683.372.061.621.161.371.11.931.591.452.01.51.120.980.751.641.440.641.020.981.451.111.590.971.380.640.631.741.011.360.851.310.910.9
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
 EBT Margin dei:LegalEntity nee:FloridaPowerLightCompany█▄▃▇▃▁▄▇▅▂3600.03000.02800.03400.02800.02500.02900.03500.03100.02600.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin dei:LegalEntity nee:FloridaPowerLightCompany█▄▃▇▃▁▄▇▅▂3600.03000.02800.03400.02800.02500.02900.03500.03100.02600.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,nee:FPLSegment█▁3219.02623.0NANA2825.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,nee:FloridaPowerLightCompanyNANA2842.03455.02825.02540.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,nee:GulfPowerSegment▂▂▁▆▁▁▃█▃▁350.0347.0333.0404.0333.0328.0353.0440.0366.0328.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin dei:LegalEntity nee:FloridaPowerLightCompany█▄▃▇▃▁▄▇▅▂3600.03000.02800.03400.02800.02500.02900.03500.03100.02600.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Operating Margin dei:LegalEntity nee:NextEraEnergyPartnersNA246.0NANA253.0212.0NANA220.0177.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
 TTM Greenblatt ROC _ _▂▂▃▃▄▇▃▅▆▄▄▃▄▄▁▅▄█▃▄▄▄▃▅▄▄▅▄▃▃▂▄▃▂▃▃▄▃▄▃▃▂▂▄▃▃▂510.0669.0940.01008.01186.01981.0878.01593.01747.01135.01107.0970.01162.01047.0236.01399.01285.02405.0926.01279.01169.01234.0876.01481.01146.01129.01532.01163.0951.0738.0641.01185.0981.0434.0732.0749.01022.0843.01132.0911.0907.0428.0469.01125.0709.0939.0557.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:ComprehensiveIncomeNetOfTax ▁▄▁▃▃▂▂▂▃▂▂▃▂█▄▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▂▁▂▂▁▂269.01662.055.01240.01304.0398.0987.0889.01256.0656.0379.01022.0800.04467.02218.0892.0836.01613.0931.0799.0571.0690.0508.0714.0785.0617.0797.0648.0530.0395.0465.0718.0644.0391.0393.0386.0511.0521.0627.0178.0493.0304.0382.0718.0310.0544.0NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest ▅▆▅▆▆▆▆▆▆▆▆▇▆▁▆▇▇▇██▇▇▇▇▇▇▇▇▇▇▇▇-181.0-166.0-177.0-104.0-143.0-119.0-130.0-81.0-95.0-74.0-108.0-64.0-94.0-597.0-86.09.012.019.071.030.05.0-13.0-2.0-1.05.0-3.0-2.04.00.00.00.00.0NANANANANANANANANANANANANANANANANANA
us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal ▁▁▂▁▁▃▁▁▃▁▁▁▁▁▁▁▁█▃▁▃▁-7.0-14.074.0-11.017.0273.028.0-2.0354.026.016.09.039.016.05.05.01.01096.0233.04.0254.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:DerivativeInstrumentRisk,us-gaap:HedgingDesignation,us-gaap:IncomeStatementLocation,us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:InterestRateContract,us-gaap:Nondesignated,nee:GainLossIncludedInInterestExpense,us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeNANANA0.00.023.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:DisposalGroupClassification,us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations,nee:TwosolargenerationfacilitieslocatedinSpainNANA0.00.010.0260.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GainLossOnInvestments ▄▅▂▃▁▄▃▂▂▄▅▅▁██▃▁▇▁▂▂▃22.029.08.016.02.024.018.06.08.023.028.031.03.050.048.015.03.045.04.09.012.015.0NA15.05.0NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▁▄▁▃▃▁▃▂▃▂▂▃▃█▁▃▃▄▃▃▂▂▂▃▃▃▃▃▂▂▂▃▂▂▂▂▂▂▃▂▂▂▂▃▂-68.01748.0-225.01252.01314.073.01036.0856.01263.0680.0272.01069.0931.05080.086.01220.01093.02266.01521.01207.0763.0896.0757.01302.0994.0936.01337.0943.0784.0583.0451.0995.0821.0252.0568.0569.0850.0618.0923.0565.0727.0236.0263.0960.0494.0NANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity nee:FloridaPowerLightCompany█▇▃▆▆▄▁▅▄▄▁▅▅▂▁▆▅▄▂▅▄1110.0986.0626.0926.0929.0779.0483.0834.0714.0744.0506.0806.0802.0596.0516.0922.0839.0708.0599.0824.0728.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▅▆▅▆▆▅▆▅▆▅▅▆▆█▁▆▆▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▅▆▅▆-140.0250.0-35.0129.0185.0-235.0192.058.0124.074.0-29.0126.0230.01249.0-1982.0364.0289.0675.0504.0418.0219.0259.0247.0421.0274.0286.0453.0279.0292.0153.0124.0297.0211.0168.0139.0154.0243.0157.0256.0158.0147.0-32.00.0240.077.0214.0NANANANA
 us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity nee:FloridaPowerLightCompany▅▅▃▄▄▃▂▃▁▃▂▃▄▂▄█▇▆▅▇▆228.0209.0124.0169.0180.0137.083.0151.051.0156.099.0152.0176.0112.0173.0356.0313.0263.0228.0309.0280.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▁▄▁▃▃▂▃▂▃▂▂▃▂█▄▂▂▄▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▂▂▂▂▂▂▂▁▁▂▂▂▂▂▂▂256.01666.0-5.01229.01275.0421.0975.0879.01234.0680.0422.01007.0795.04428.02155.0847.0793.01583.0966.0753.0540.0636.0507.0879.0716.0650.0884.0660.0492.0430.0327.0698.0610.0272.0429.0415.0607.0461.0667.0407.0580.0268.0263.0720.0417.0556.0349.0533.0370.0364.0
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▅▆▅▆▆▆▆▇▆▇▆▇▆▁▇█████▇▇▇▇▇▇▇▇▇▇▇▇-184.0-168.0-185.0-106.0-146.0-113.0-131.0-81.0-95.0-74.0-108.0-64.0-94.0-597.0-87.09.011.08.051.036.04.01.03.02.04.00.00.04.00.00.00.00.0NANANANANANANANANANANANANANANANANANA
us-gaap:NonoperatingIncomeExpense ▃▅▂▄▃▁▃▂▃▃▂▃▃█▃▃▃▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃-578.01079.0-1165.0244.0128.0-1908.0159.0-737.0-484.0-455.0-829.099.0-231.04033.0-150.0-179.0-192.0-139.0595.0-72.0-406.0-338.0-118.0-179.0-152.0-193.0-194.0-220.0-167.0-155.0-189.0-190.0-160.0-182.0-93.0-180.0-172.0-225.0-209.0-346.0-180.0-192.0-207.0-165.0-215.0NANANANANA
 us-gaap:NonoperatingIncomeExpense dei:LegalEntity nee:FloridaPowerLightCompany▄▃▂▂▂▂▂▁▁▅▇▆▄▅▇▇▇▇██▇-120.0-128.0-133.0-134.0-136.0-136.0-134.0-139.0-140.0-113.0-102.0-111.0-120.0-112.0-102.0-100.0-102.0-103.0-96.0-97.0-100.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingExpenses ▆▅█▇▅▄▇█▆▅▆▆▅▅▇▆▆▁▄▇▄▄▆▇▆▅▆▇▅▅▅▆▅▅▄▅▄▄▄▇▅▄▅▇▅▄3410.03071.03808.03777.03018.02632.03711.03979.03223.02940.03275.03448.02907.02816.03774.03409.03119.01567.02772.03526.02648.02601.03194.03473.03212.02975.03133.03491.03078.02936.02990.03209.02852.02845.02714.03094.02645.02528.02733.03471.03054.02706.02943.03566.02882.02683.0NANANANA
us-gaap:OperatingIncomeLoss ▂▂▃▃▄▇▃▅▆▄▄▃▄▄▁▅▄█▃▄▄▄▃▅▄▄▅▄▃▃▂▄▃▂▃▃▄▃▄▃▃▂▂▄▃▃▂▃▂▂510.0669.0940.01008.01186.01981.0878.01593.01747.01135.01107.0970.01162.01047.0236.01399.01285.02405.0926.01279.01169.01234.0876.01481.01146.01129.01532.01163.0951.0738.0641.01185.0981.0434.0732.0749.01022.0843.01132.0911.0907.0428.0469.01125.0709.0939.0557.0849.0605.0583.0
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▇▆█▆▇▁▆▅▆▆▃▆▅▃▄▆▆▇▂▄▆█▃▁▇▇▃▄▇▃▃▆▂▄▅▆▅▆▅▃▅11.06.023.08.017.0-35.03.01.08.010.0-21.010.00.0-20.0-6.010.05.016.0-24.0-9.08.020.0-22.0-33.015.014.0-19.0-6.017.0-17.0-19.06.0-23.0-9.01.03.0-3.06.02.0-19.02.0NANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▆▅▇▆▆▅▆▆▆▅▅▆▅▅▇▆▆▆▅▆▆▆▅▂▇▅▄▅▆▅█▆▆█▅▅▄▇▅▁▄16.0-2.068.013.032.0-39.013.010.022.0-24.0-30.015.05.0-19.064.045.044.041.0-15.040.032.040.0-4.0-168.070.0-36.0-89.0-12.038.0-35.0138.020.034.0119.0-36.0-29.0-96.060.0-40.0-229.0-87.0NANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense █▇█▇▄▆▇▆▆▆▆▆▆▅▆▇▅▂▅▆▇▄▆▅▅▅▅▄▄▄▄▅▇▅▅▁▄▄▇▅▅▅▇▅▁▄31.019.029.021.0-4.010.024.012.016.014.018.011.010.06.014.023.06.0-21.02.017.026.0-3.013.08.04.08.09.0-2.00.0-3.00.09.024.05.02.0-27.0-3.0-1.020.04.07.02.022.05.0-29.0-2.0NANANANA
us-gaap:ProfitLoss ▁▄▁▃▃▂▃▃▃▂▂▃▃█▅▃▃▄▃▃▂▂▂▃▃▂▃▂▂▁▂▃▂▁72.01498.0-190.01123.01129.0308.0844.0798.01139.0606.0314.0943.0701.03831.02068.0856.0804.01591.01017.0789.0544.0637.0510.0881.0720.0650.0884.0664.0492.0-14.0327.0698.0610.0-34.0NANANANANANANANANANANANANANANANA
us-gaap:RegulatedAndUnregulatedOperatingRevenue ▃▃▅▆▄▅▅█▆▄▅▅▄▃▄▆▅▃▃▆▃▃▄▆▅▄▅▅▄▃▂▅▃▁▂▃▃▂▃▅▃▁▂▅▂▂▂▅▃▃3927.03726.04395.04785.04204.04613.04588.05572.04970.04075.04390.04418.04069.03863.04010.04808.04404.03972.03699.04805.03817.03835.04069.04954.04358.04104.04664.04654.04029.03674.03630.04394.03833.03279.03375.03843.03667.03371.03864.04382.03961.03134.03413.04691.03591.03622.03655.04473.03811.03705.0
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax ▇▄▄█▄▄▅█▆▃▆▄▂▁4700.04000.04100.04900.04100.03900.04300.04900.04500.03800.04500.04100.03500.03300.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:Assets ██▇▇▇▇▇▆▆▆▅▅▅▅▅▅▄▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁135013.0132441.0127684.0126382.0121961.0120637.0117691.0114222.0110552.0109029.0103702.098603.095490.094284.097827.096781.092890.091205.089993.087864.085420.084637.082479.079963.077201.074929.074929.072193.071590.070331.069306.067166.065217.063843.064439.062049.060390.059207.057188.056585.054557.053257.052994.052994.0NANA48458.0NANANA
us-gaap:Liabilities █▅▁89899.086711.082755.0NANANA75844.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesAndStockholdersEquity ██▇▇▇▇▇▆▆▆▅▅▅▅▅▅▄▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁135013.0132441.0127684.0126382.0121961.0120637.0117691.0114222.0110552.0109029.0103702.098603.095490.094284.097827.096781.092890.091205.089993.087864.085420.084637.082479.079963.077201.074929.074929.072193.071590.070331.069306.067166.065217.063843.064439.062049.060390.059207.057188.056585.054557.053257.052994.0NANANA48458.0NANANA
us-gaap:StockholdersEquity ████████▇▇▇▇▆▆▅▄▄▄▃▃▃▃▃▃▂▂▂▁▁▁▁36932.037378.036513.037287.037073.036403.037005.036592.034910.034226.034144.034252.033021.032706.028208.026398.025926.025497.024341.023907.023174.022912.022574.022318.021338.020235.019916.018810.018429.018160.018040.0NANANA16068.0NANANA14943.0NANANA14461.0NANANA12967.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:AssetsCurrent ▆▆▅▇▅█▅▅▅▆▄▆▃▃▅▅▃▃▅▄▄▅▄▄▄▄▅▃▄▄▃▃▂▁▂▁▂▂▂▄▂▂▂8061.08237.07382.09026.07581.09725.07408.07679.07471.08222.06393.08349.05885.05612.07157.07027.05947.05827.07409.06747.06512.07096.06795.06657.06346.06297.06944.05633.06099.06141.05842.05472.04735.04045.05237.04437.04854.05094.04872.06252.04813.04519.05258.0NANANA4337.0NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▃▄▃▅▃█▂▃▃▃▂▂▂▂▄▄▂▂▃▂▂▂▂▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▂▁▁▁▂▂▃▁884.01462.01105.01961.01009.03335.0600.01131.01019.0972.0638.0497.0478.0550.01714.01381.0642.0600.01292.0681.0730.0628.0571.01181.0551.0469.0577.0485.0622.0488.0438.0558.0411.0215.0329.0246.0295.0275.0377.0640.0287.0425.0302.0791.0829.01215.0238.0NANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▂▃▂▄▂▆▂▂▃▂█▁▁▁▃▃▁▁▂1433.02165.01546.02437.01436.03834.01108.01558.01703.01341.05253.0721.0736.0908.01983.01769.0943.0800.01529.0NANANA772.0NANANA765.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent ██▆▇▆▅▆█▇▅▆▇▆▄▆▅▄▃▃▄▄▂▃▄▄▃▄▅▄▄▃▄▄▁▂▃▂▁▂▃▃▁▂2727.02648.02263.02572.02391.02068.02282.02717.02553.02191.02302.02454.02230.01881.02220.02147.01950.01635.01784.01921.01816.01574.01784.01961.01883.01718.01805.02022.01978.01904.01777.01888.01809.01366.01487.01633.01466.01262.01372.01689.01633.01285.01509.0NANANA1431.0NANANA
us-gaap:InventoryNet ██▇▆▅▅▅▆▆▆▃▁▂▃▄▅▄▄▄▄▄▄▄▅▄▄▄▄▃▂▂▂▂▂▁▁▁▂▁▁▁1596.01604.01552.01414.01367.01371.01328.01451.01427.01410.01223.01083.01159.01205.01273.01352.01313.01303.01289.01309.01254.01287.01259.01344.01278.01249.01292.01269.01178.01148.01153.01142.01120.01098.01073.01055.01082.01092.01074.01045.01072.0NA857.0NANANANANANANA
us-gaap:OtherAssetsCurrent ▅▅▄█▆▅█▃▃▃▃▂▃▃▂▃▂▃▂▂▂▂▂▃▃▂▂▂▃▂▂▄▁▁▁▁▁▁▁▁▂▁▁947.0990.0804.01539.01217.01055.01576.0664.0603.0608.0551.0518.0554.0577.0468.0551.0524.0558.0528.0459.0469.0518.0476.0602.0666.0485.0439.0485.0697.0385.0403.0788.0349.0267.0342.0332.0344.0264.0310.0295.0404.0293.0325.0NANANA409.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:AssetsNoncurrent NANA120302.0NANANA28273.027548.026945.026013.026975.021682.020946.021476.018254.018666.017287.016978.015672.015500.014751.014647.014298.013471.012545.012399.012280.011493.011460.010884.010744.010295.010022.09974.09789.09919.010041.010145.09826.09216.08890.08801.08661.0NANANA8043.0NANANA
 us-gaap:AssetsNoncurrent dei:LegalEntity nee:FloridaPowerLightCompanyNANA59096.0NANANA9595.09386.09430.09467.09207.08789.08464.08496.08380.08568.07408.0NA6746.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentGross █▄▁124435.0121244.0118103.0NANANA107178.0103743.0100051.098158.092083.090325.089751.088115.093783.092548.090704.089168.087013.085863.083740.082320.080330.079205.077264.074678.073639.072911.071433.070367.069448.067855.066411.065490.064917.063430.060948.059261.057552.056223.056141.055305.054221.0NANANA50169.0NANANA
us-gaap:ConstructionInProgressGross █▇▆▇▆▆▅▅▄▄▄▅▄▃▃▃▂▂▂▄▃▃▂▃▂▁▁▂▂▂▂▂▁▃▃▄▃▃▂▂▁▂▁13368.012192.010639.012279.010553.010201.09330.08891.07236.07198.08357.08708.07347.06670.06679.06492.05349.05388.04732.07150.06585.06519.05657.06218.05550.03939.03591.04538.04366.04773.04690.04562.04181.05905.05968.07174.06517.05887.04989.04587.03678.04511.03841.0NANANA2425.0NANANA
us-gaap:PropertyPlantAndEquipmentNet ██▇▇▇▆▆▆▅▅▅▅▅▄▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁96811.094304.091803.088855.086326.083873.082010.078995.076136.074794.070334.068572.068659.067196.072416.071088.069656.068400.066912.065617.064157.062894.061386.059835.058310.056233.055705.055067.054031.053306.052720.051399.050460.049824.049413.047693.045495.043968.042490.041117.040854.039937.039075.0NANANA36078.0NANANA
us-gaap:Goodwill ██▇▇▇▇▇▇▆▆▁4846.04853.04254.04214.04213.04201.04204.04129.03496.03488.0891.0NANANA764.0NANANA779.0NANANA778.0NANANA147.0NANANA149.0NANANA151.0NANANA147.0NANANA117.0NANANA113.0NANANA
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill NANA135.0NANANA135.0NANANA135.0NANANA138.0NANANA143.0NANANA143.0NANANA143.0NANANA143.0NANANA143.0NANANA143.0NANANANANANANANANANANA
us-gaap:FiniteLivedIntangibleAssetsNet NANA558.0NANANA417.0NANANA573.0NANANA1149.0NANANA1110.0NANANA1064.0NANANA362.0NANANA91.0NANANA96.0NANANA258.0NANANA277.0NANANA253.0NANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA191.0NANANA210.0NANANANANANANANANANANANANANANANANANANA-8270.0NANANA-7258.0NANANA-6206.0NANANA-5565.0NANANA5160.0NANANA4746.0NANANA
us-gaap:OperatingLeaseRightOfUseAsset NANA535.0NANANA499.0NANANA133.0NANANA141.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▄▃▃▃▃▃▃▃▃▃█▃▃▃▄▃▃▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▂▂▂▁▁▁4056.03842.03672.03523.03569.03210.03314.03220.03187.03036.08412.03548.03142.03170.04081.03736.03740.03632.03335.03279.03069.03285.03239.02333.02239.02224.02511.01938.01919.01612.01426.01502.01514.01554.01629.01702.01790.01867.01920.01863.01324.01731.01779.0NANANA1625.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:ContractWithCustomerLiabilityCurrent ▄▃▁▆▇█▇486.0481.0474.0494.0497.0502.0499.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent ▇▇▇▇▅▅▆▅▆██▅▃▃▄▄▃▃▄▃▄▄▃▃▃▃▃▃▃▃▃▃▃▂▃▂▂▂▁▂▁▁▁16818.015783.015558.015712.012365.013722.013853.013314.014412.017926.017563.012807.010184.09579.011232.011604.08950.09761.010919.010456.011336.010587.010107.010371.09421.09386.09663.09572.09690.010292.09189.09213.08867.08776.08879.07875.07643.08005.06719.07419.06389.06739.06904.0NANANA6449.0NANANA
us-gaap:LongTermDebtCurrent ▇▆▇█▅▄▃▅▄▄▄▄▃▂▃▄▃▄▄▄▅▃▄▄▄▆▆▅▅▆▆▆▆▄▄▃▃▂▁▁▂▃▃4504.03837.04138.05044.03068.02489.02124.02888.02673.02614.02716.02649.01613.01168.01676.02285.01762.02766.02604.02364.03125.02145.02220.02497.02768.03457.03515.03385.03285.03822.03766.03933.03677.02682.02771.02062.01755.01458.0808.0597.01168.01588.01920.0NANANA569.0NANANA
us-gaap:OtherLiabilitiesCurrent ▅▆█▇▄▅█▅▃▄▃▃▃▃▅▇▂▂▄▄▄▃▂▂▁▁▂▂▂▂▃▂▂▂▂▂▂▂▂▂▂▂▃1596.01852.02256.02073.01390.01422.02309.01594.01149.01195.01130.01105.0927.0955.01548.02077.0855.0904.01226.01230.01190.0943.0855.0827.0606.0523.0751.0705.0767.0871.0930.0771.0743.0849.0904.0831.0718.0684.0752.0740.0823.0810.0917.0NANANA713.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:LiabilitiesNoncurrent ██▇▂▂▂▂▂▂▂▂▂▂▂▂▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁73081.070928.067197.025649.025064.024686.024448.024524.023699.023309.021476.021410.020778.020650.025634.027511.026672.026436.025925.024344.023201.022629.022579.021162.020944.020815.020731.018624.018422.018055.018108.016682.016235.015999.016315.015574.015379.015397.014716.014240.014027.013631.013616.0NANANA12742.0NANANA
 us-gaap:LongTermDebt dei:LegalEntity nee:CapitalHoldingsNANA24199.0NANANA19199.0NANANA13013.0NANANA11256.0NANANA11206.0NANANA10567.0NANANA10542.0NANANA11239.0NANANA10817.0NANANA8237.0NANANA7951.0NANANA6711.0NANANA
 us-gaap:LongTermDebt dei:LegalEntity nee:FloridaPowerLightCompanyNANA15676.0NANANA14161.0NANANA11783.0NANANA11702.0NANANA10072.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt dei:LegalEntity nee:GulfPowerNANA1560.0NANANA1685.0NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt dei:LegalEntity nee:NexteraEnergyResourcesNANA4647.0NANANA4622.0NANANA4702.0NANANA10181.0NANANA9144.0NANANA8314.0NANANA7867.0NANANA7667.0NANANA6349.0NANANA5848.0NANANA5255.0NANANA4322.0NANANA
us-gaap:LongTermDebtNoncurrent ██▇▇▇▆▆▅▅▄▃▃▃▃▄▄▄▃▃▃▃▃▃▃▃▂▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁47559.046065.041944.042794.042667.041116.037543.036144.033947.029883.026782.027048.028356.028062.031463.030345.030392.028539.027818.028195.027001.027791.026681.025604.025235.024264.024367.024853.025049.023824.023969.023862.023514.022866.023177.022714.021580.020582.020810.020039.019235.018288.018013.0NANANA16300.0NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▃▆▁▅▂▂█8119.08256.08020.08237.08070.08082.08361.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest ███▅▅▅▅▄▄▄▄▄▄▄▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁8182.08352.08416.04775.04501.04472.04355.03582.03516.03614.03269.03086.03151.03287.01290.0923.0950.0972.0990.0962.0708.0718.0538.0508.0263.0229.0252.0334.00.0NA0.0NANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ██▆▆▅▅▄▅▃▃▂▁▁▁▆▆▆▆▅▆▄▅▅▄▃▃▃▃▂▁▁▂▂▂▂▃▂▂▂▂▃▂▂2508.02541.02242.02236.02011.01987.01831.01881.01571.01559.01449.01214.01231.01260.02146.02115.02110.02141.02049.02115.01847.01920.02005.01710.01679.01649.01677.01686.01434.01242.01257.01323.01331.01371.01454.01503.01440.01441.01424.01442.01520.01420.01417.0NANANA1412.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:StockholdersEquity ████████▇▇▇▇▆▆▅▄▄▄▃▃▃▃▃▃▂▂▂▁▁▁▁36932.037378.036513.037287.037073.036403.037005.036592.034910.034226.034144.034252.033021.032706.028208.026398.025926.025497.024341.023907.023174.022912.022574.022318.021338.020235.019916.018810.018429.018160.018040.0NANANA16068.0NANANA14943.0NANANA14461.0NANANA12967.0NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ███▇▇▇▇▇▆▆▆▆▆▆▄▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁45114.045730.044929.042062.041574.040875.041360.040174.038426.037840.037413.037338.036172.035993.029498.027321.026876.026469.025331.024869.023882.023630.023112.022826.021601.020464.020168.019144.018429.018160.018040.0NANANA16068.0NANANA14943.0NANANANANANANA0.0NANANA
us-gaap:CommonStockValue ███▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁20.020.020.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.0NANANA4.0NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ▇▇▇▇████▇▆▆▆▆▆▅▅▅▅▅▅▅▅▅▄▄▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁11224.011183.011222.011380.011720.011668.011970.011933.010542.010515.010490.010470.09736.09698.09100.09046.09004.08951.08948.09039.08703.08645.08596.08494.07881.07222.07179.06555.06506.06451.06411.05959.05590.05557.05536.05494.05530.05224.05217.05558.05525.05481.05418.0NANANA5055.0NANANA
us-gaap:RetainedEarningsAccumulatedDeficit █████▇█▇▇▇▇▇▇▇▅▄▄▄▄▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁25773.026273.025363.026054.025511.024922.025199.024835.024554.023919.023837.023935.023453.023181.018992.017299.016914.016581.015458.014899.014548.014375.014140.013987.013456.013082.012773.012204.011860.011684.011569.011528.011109.010777.010783.010607.010444.010089.09876.09439.09262.08912.08873.0NANANA7739.0NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax -85.0NA-92.0-153.0NA-192.0-169.0-181.0-191.0-213.0-188.0-158.0-173.0-178.0111.048.03.0-40.0-70.0-36.0-82.0-113.0-167.0-168.0-4.0-73.0-40.047.059.021.056.0-82.0-102.0-136.0-255.0-219.0-190.0-94.0-154.0-114.0115.0202.0166.0NANANA169.0NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents nee:AccumulatedIncomeLossRelatedToEquityMethodInvesteeNANA4.03.03.03.03.03.02.01.02.03.02.00.0-20.0-21.0-22.0-21.0-22.0-25.0-28.0-27.0-24.0-26.0-23.0-26.0-24.0-21.0-21.0-18.0-16.0-17.0-17.0-22.0-23.0NANANANANANANANANANANANANANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNANA-75.0-112.0-113.0-111.0-114.0-120.0-119.0-118.0-65.0-52.0-51.0-50.0-39.0-77.0-76.0-86.0-83.0-69.0-69.0-69.0-62.0-36.0-36.0-36.0-20.028.028.028.023.0-67.0-67.0-67.0-74.0NANANA-46.0NANANA-1.0NANANANANANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesNANA8.03.01.0-2.0-27.0-32.0-38.0-46.0-55.0-60.0-67.0-74.0-77.0-85.0-96.0-101.0-100.0-117.0-134.0-146.0-170.0-212.0-128.0-189.0-156.0-123.0-135.0-124.0-115.0-135.0-126.0-180.0-266.0NANANA-204.0NANANA24.0NANANANANANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedNetUnrealizedInvestmentGainLossNANA20.018.016.02.011.012.09.03.0-7.0-7.0-5.0-2.0316.0293.0268.0243.0225.0222.0193.0181.0174.0164.0210.0220.0218.0202.0220.0185.0197.0151.0128.0130.096.0NANANA103.0NANANA133.0NANANANANANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncomeNANA-92.0-96.0-166.0-198.0-169.0-198.0-191.0-213.0-188.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedTranslationAdjustmentNANA-49.0-65.0-73.0-84.0-42.0-44.0-45.0-53.0-63.0-42.0-52.0-52.0-69.0-62.0-71.0-75.0-90.0-47.0-44.0-52.0-85.0-58.0-27.0-42.0-58.0-39.0-33.0-50.0-33.0-14.0-20.03.012.0NANANA5.0NANANA10.0NANANANANANANA
us-gaap:MinorityInterest ███▅▅▅▅▄▄▄▄▄▄▄▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁8182.08352.08416.04775.04501.04472.04355.03582.03516.03614.03269.03086.03151.03287.01290.0923.0950.0972.0990.0962.0708.0718.0538.0508.0263.0229.0252.0334.00.0NA0.0NANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapitalNANANA-41.00.0-51.0NA1470.0NANA0.0700.0NANA9.09.09.06.04.0507.08.08.013.0663.0613.013.0565.013.013.013.0NANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:ParentNANANA-41.00.0-51.0NA1470.0NANA0.0700.0NANA9.09.09.06.04.0507.08.08.014.0664.0615.014.0565.014.014.014.0NANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▃▃█▄▄▅█▄▄▃▆▄▂▂▅▄▃▂▅▄▃▄▃▄▂▃▃▃▂▄▂▂▂▁▂▂▁▁▂▂▁▂▂▁▁2203.01292.01352.02839.01898.01894.01912.02962.01684.01597.01368.02292.01643.01290.01253.01995.01801.01364.01042.02024.01725.01545.01603.01579.01753.01181.01532.01520.01431.01017.01712.01140.01168.01082.0835.01229.01093.0835.0957.01126.01008.0983.01065.01021.0852.0896.0NANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▄▄▆▅▅▅▅▇▁▆▅▇▅▇▇▇▅█▇▇▅▆▇▆▇▆██▇▇▇█▇▆▆▇▇█▇██▇██▇-3741.0-4420.0-4493.0-3021.0-3050.0-3135.0-3714.0-3572.0-1946.0-6945.0-2389.0-3206.0-1688.0-3667.0-2083.0-1326.0-1775.0-3734.0-1127.0-1546.0-1756.0-3681.0-2528.0-1723.0-2190.0-1564.0-2283.0-973.0-1263.0-1842.0-1857.0-1481.0-1207.0-1578.0-2427.0-2480.0-2026.0-1995.0-857.0-2063.0-1282.0-1077.0-1728.0-1273.0-922.0-1361.0NANANANA
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity nee:FloridaPowerLightCompany▂▄▁▅▃▄▁▅▅▆▄▇▅▅▄▇▇▃█▇-1842.0-1575.0-2111.0-1313.0-1815.0-1458.0-2061.0-1362.0-1274.0-1173.0-1511.0-946.0-1321.0-1288.0-1539.0-1067.0-1036.0-1727.0-791.0-914.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▆▅▄▁▆▄▃▃▄█▃▂▄▃▂▂▄▃▂▂▅▃▃▃▃▃▂▂▃▂▃▃▃▄▄▃▃▂▄▂▂▂▂▂▄806.03743.02260.01191.0-1238.03961.01350.0471.0625.01427.05559.0885.0-121.01311.01169.070.016.01678.0696.0-527.0133.02193.0315.0774.0519.0275.0843.0-684.0-34.0875.025.0488.0235.0382.01675.01202.0953.01058.0-363.01290.0136.0217.0174.0214.0-316.01442.0NANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▅▄▅▂▇▄▄▅▁█▄▄▃▄▅▄▄-732.0619.0-891.01001.0-2398.02726.0-450.0-145.0362.0-3912.04532.0-15.0-172.0-1075.0214.0826.0143.0-729.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect dei:LegalEntity nee:FloridaPowerLightCompany▄▄▄▅▁█▄▅▅▄▅▅▄▄▅▄▅▄-17.0-22.0-133.061.0-965.0938.0-93.028.061.0-55.049.093.0-30.0-32.054.0-18.011.0-26.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▅▆▅▆▆▅▆▅▅▆▅▆▆█▁▆▆▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▆▆▅▆-103.0297.0-34.089.047.0-180.0133.023.0-118.0220.0-92.0160.0124.01271.0-2191.0430.0321.0565.0464.0360.0192.0214.0314.0331.0255.0262.0489.0255.0271.0190.054.0288.0172.0363.0165.0144.0239.0134.0279.0118.0147.09.0175.056.010.0270.0NANANANA
 us-gaap:DeferredIncomeTaxExpenseBenefit dei:LegalEntity nee:FloridaPowerLightCompany▃▄▅▂▃▄▂▂▁▄▂▂▂▅▁█▃▅▆▃110.0175.0249.0-47.099.0212.0-4.0-22.0-133.0203.0-15.0-73.03.0265.0-82.0588.0124.0275.0363.076.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▃▃█▄▄▅█▄▄▃▆▄▂▂▅▄▃▂▅▄▃▄▃▄▂▃▃▃▂▄▂▂▂▁▂▂▁▁▂▂▁▂▂▁▁2203.01292.01352.02839.01898.01894.01912.02962.01684.01597.01368.02292.01643.01290.01253.01995.01801.01364.01042.02024.01725.01545.01603.01579.01753.01181.01532.01520.01431.01017.01712.01140.01168.01082.0835.01229.01093.0835.0957.01126.01008.0983.01065.01021.0852.0896.0NANANANA
us-gaap:NetIncomeLoss ▁▄▁▃▃▂▃▂▃▂▂▃▂█▄▂▂▄▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▂▂▂▂▂▂▂▁▁▂▂▂▂▂▂▂256.01666.0-5.01229.01275.0421.0975.0879.01234.0680.0422.01007.0795.04428.02155.0847.0793.01583.0966.0753.0540.0636.0507.0879.0716.0650.0884.0660.0492.0430.0327.0698.0610.0272.0429.0415.0607.0461.0667.0407.0580.0268.0263.0720.0417.0556.0349.0533.0370.0364.0
us-gaap:ProfitLoss ▁▄▁▃▃▂▃▃▃▂▂▃▃█▅▃▃▄▃▃▂▂▂▃▃▂▃▂▂▁▂▃▂▁72.01498.0-190.01123.01129.0308.0844.0798.01139.0606.0314.0943.0701.03831.02068.0856.0804.01591.01017.0789.0544.0637.0510.0881.0720.0650.0884.0664.0492.0-14.0327.0698.0610.0-34.0NANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▄▄▆▅▅▅▅▇▁▆▅▇▅▇▇▇▅█▇▇▅▆▇▆▇▆██▇▇▇█▇▆▆▇▇█▇██▇██▇-3741.0-4420.0-4493.0-3021.0-3050.0-3135.0-3714.0-3572.0-1946.0-6945.0-2389.0-3206.0-1688.0-3667.0-2083.0-1326.0-1775.0-3734.0-1127.0-1546.0-1756.0-3681.0-2528.0-1723.0-2190.0-1564.0-2283.0-973.0-1263.0-1842.0-1857.0-1481.0-1207.0-1578.0-2427.0-2480.0-2026.0-1995.0-857.0-2063.0-1282.0-1077.0-1728.0-1273.0-922.0-1361.0NANANANA
 us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity nee:FloridaPowerLightCompany▂▄▁▅▃▄▁▅▅▆▄▇▅▅▄▇▇▃█▇-1842.0-1575.0-2111.0-1313.0-1815.0-1458.0-2061.0-1362.0-1274.0-1173.0-1511.0-946.0-1321.0-1288.0-1539.0-1067.0-1036.0-1727.0-791.0-914.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▆▅▄▁▆▄▃▃▄█▃▂▄▃▂▂▄▃▂▂▅▃▃▃▃▃▂▂▃▂▃▃▃▄▄▃▃▂▄▂▂▂▂▂▄806.03743.02260.01191.0-1238.03961.01350.0471.0625.01427.05559.0885.0-121.01311.01169.070.016.01678.0696.0-527.0133.02193.0315.0774.0519.0275.0843.0-684.0-34.0875.025.0488.0235.0382.01675.01202.0953.01058.0-363.01290.0136.0217.0174.0214.0-316.01442.0NANANANA
us-gaap:ProceedsFromIssuanceOfLongTermDebt ▅█▁▆▇▇▅▆█▅▁▂▂▃▆▄▄▂▂▄▃▃▄▃▃▁▂▃▄▂▂▂▄▂▄▄▃▂▂▃▃▁▂▃▂▂2743.04616.0506.03428.04116.04354.02996.03369.04786.02768.0371.01153.01071.01804.03158.02425.02082.0689.01013.02135.01259.01250.02310.01756.01512.0194.0810.01515.02074.0655.0718.0791.02239.0623.02404.01896.01764.0566.01023.01464.01252.0201.0706.01433.0785.0800.0NANANANA
us-gaap:RepaymentsOfLongTermDebt ▂▂▇▄▆▂▆▅▅▁▂▄▁▃█▆▄▂▂▅▂▂▃▅▄▁▃▄▅▃▃▁▂▃▁▂▂▁▂▂▃▁▁▂▁▁591.0432.02413.01358.02020.0312.01931.01685.01710.0166.0509.01379.0272.0942.02888.02007.01337.0548.0656.01658.0629.0367.0875.01694.01233.0170.01062.01413.01558.0717.0727.0244.0502.0923.0291.0675.0512.0134.0433.0697.0739.0252.0198.0302.0167.0102.0NANANANA
us-gaap:PaymentsOfDividends ██▇▇▇▇▆▆▆▆▅▅▅▅▄▄▄▄▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁756.0755.0686.0686.0686.0685.0611.0600.0599.0598.0531.0523.0524.0523.0463.0462.0460.0460.0407.0402.0402.0401.0354.0348.0342.0341.0316.0315.0315.0315.0286.0279.0278.0279.0252.0252.0252.0248.0231.0230.0230.0229.0207.0206.0206.0204.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage dei:LegalEntity,us-gaap:DebtInstrument nee:NextEraEnergyCapitalHoldingsInc.,nee:DebenturesNA6.5e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage nee:EquityUnits nee:NEEEquityUnitsSeptember2019NANA2.1000000000000002e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

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
Value2020205.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.0
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

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value196219611960490490489489489479479478478472471471470469468468467462461461461452444443436436436435431425425424423423417416421
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value196219611960490490489489489479479478478472471471470469468468467462461461461452444443436436436435424416421414409407
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value19701973492491491486482481477475474473471470466464462456449448440440438426424423421417414419419418413411410
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
Value19621961489489489481478478473471470469467467463461460454445442434434433423421421419415412417416415410408407
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

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value6158119.56.22.20.50.50.30.21.00.411110.30.28.15.50.15.40.20.16.00.30.43.2100.6141.1149.47.88.3
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value0.130.85-4.482.512.60.862.01.822.581.420.882.131.699.414.581.81.693.392.071.631.171.381.11.941.611.472.031.521.130.990.761.651.450.651.020.991.461.121.60.981.390.640.641.751.021.360.861.320.920.9
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
Value0.130.84-4.462.52.590.861.991.812.561.410.882.11.649.324.551.791.683.372.061.621.161.371.11.931.591.452.01.51.120.980.751.641.440.641.020.981.451.111.590.971.380.640.631.741.011.360.851.310.910.9
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

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2691662551240130439898788912566563791022800446722188928361613931799571690508714785617797648530395465718644391393386511521627178493304382718310544
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue6.944.60.025.931.08.621.516.025.316.18.623.119.7115.655.318.619.040.625.216.615.018.012.514.418.015.017.113.913.210.812.816.316.811.911.610.013.915.516.24.112.49.711.215.38.615.0

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-181.0-166.0-177.0-104.0-143.0-119.0-130.0-81.0-95.0-74.0-108.0-64.0-94.0-597.0-86.09.0121971305.0-13.0-2.0-1.05.0-3.0-2.04.00.00.00.00.0
Percentage of ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of RegulatedAndUnregulatedOperatingRevenue-4.6-4.50.0-2.2-3.4-2.6-2.8-1.5-1.9-1.8-2.5-1.4-2.3-15.5-2.10.20.30.51.90.60.1-0.3-0.0-0.00.1-0.1-0.00.10.00.00.00.0

Disposal Group Not Discontinued Operation Gain Loss On Disposal

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal


Disposal
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-7.0-14.074-11.01727328-2.035426169.039165.05.01.010962334.02540.0
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of RegulatedAndUnregulatedOperatingRevenue-0.2-0.40.0-0.20.45.90.6-0.07.10.60.40.21.00.40.10.10.027.66.30.16.70.0

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:InterestRateContract, us-gaap:Nondesignated, nee:GainLossIncludedInInterestExpense, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Disposal
Period End2020-09-302020-06-302020-03-31
Value0.00.023
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal-0.00.08.4
Percentage of RegulatedAndUnregulatedOperatingRevenue0.00.00.5
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:InterestRateContract us-gaap:Nondesignated nee:GainLossIncludedInInterestExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.0

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

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, nee:TwosolargenerationfacilitieslocatedinSpain


Disposal
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.010.0260
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal0.0-0.058.895.2
Percentage of RegulatedAndUnregulatedOperatingRevenue0.00.00.25.6
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations nee:TwosolargenerationfacilitieslocatedinSpain0.00.00.00.0

Gain Loss On Investments

us-gaap:GainLossOnInvestments

us-gaap:GainLossOnInvestments


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value22298.0162.024186.08.02328313.05048153.0454.09.01215155.0
Percentage of GainLossOnInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue0.60.80.00.30.00.50.40.10.20.60.60.70.11.31.20.30.11.10.10.20.30.40.30.1

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-68.01748-225.012521314731036856126368027210699315080861220109322661521120776389675713029949361337943784583451995821252568569850618923565727236263960494
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue-1.746.90.026.231.31.622.615.425.416.76.224.222.9131.52.125.424.857.041.125.120.023.418.626.322.822.828.720.319.515.912.422.621.47.716.814.823.218.323.912.918.47.57.720.513.8

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest dei:LegalEntity

nee:FloridaPowerLightCompany


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1110986626926929779483834714744506806802596516922839708599824728
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-1632.456.4-278.274.070.71067.146.697.456.5109.4186.075.486.111.7600.075.676.831.239.468.395.4
Percentage of RegulatedAndUnregulatedOperatingRevenue28.326.50.019.422.116.910.515.014.418.311.518.219.715.412.919.219.117.816.217.119.1
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:FloridaPowerLightCompany31.133.20.026.832.930.716.523.922.628.417.223.727.622.717.926.527.128.023.425.126.5

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-140.0250-35.0129185-235.01925812474-29.01262301249-1982.0364289675504418219259247421274286453279292153124297211168139154243157256158147-32.00.024077214
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue-3.66.70.02.74.4-5.14.21.02.51.8-0.72.95.732.3-49.47.66.617.013.68.75.76.86.18.56.37.09.76.07.24.23.46.85.55.14.14.06.64.76.63.63.7-1.00.05.12.15.9

us-gaap:IncomeTaxExpenseBenefit dei:LegalEntity

nee:FloridaPowerLightCompany


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value228209124169180137831515115699152176112173356313263228309280
Percentage of IncomeTaxExpenseBenefit-162.983.6-354.3131.097.3-58.343.2260.341.1210.8-341.4120.676.59.0-8.797.8108.339.045.273.9127.9
Percentage of RegulatedAndUnregulatedOperatingRevenue5.85.60.03.54.33.01.82.71.03.82.33.44.32.94.37.47.16.66.26.47.3
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:FloridaPowerLightCompany6.47.00.04.96.45.42.84.31.66.03.44.56.14.36.010.210.110.48.99.410.2

Interest Expense

us-gaap:InterestExpense us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:InterestExpense

us-gaap:ForeignExchangeContract, us-gaap:Nondesignated, nee:GainLossIncludedInInterestExpense, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-1000000.0-1000000.00-1000000.0-1000000.0-1000000.0-1000000.0-1000000.0-1000000.0-1000000.0-1000000.0-1000000.0-1000000.0-1000000.0-1000000.0-1000000.0-77000000.0-3000000.0-2000000.0-3000000.0-3000000.0-3000000.0000
Percentage of InterestExpense100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0
Percentage of RegulatedAndUnregulatedOperatingRevenue-0.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-1.7-0.1-0.1-0.1-0.1-0.10.00.00.0
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:ForeignExchangeContract us-gaap:Nondesignated nee:GainLossIncludedInInterestExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestRateContract, us-gaap:Nondesignated, nee:GainLossIncludedInInterestExpense, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-1000000.0-1000000.0-5000000.0-3000000.0-1000000.0-25000000.0-8000000.0-6000000.0-6000000.0-12000000.0-5000000.0-8000000.0-8000000.0-9000000.0-12000000.0-13000000.0-13000000.0-10000000.0-19000000.0-18000000.0-25000000.0-28000000.0000
Percentage of InterestExpense100.0100.00.0300.0100.02500.0800.0600.0600.01200.0500.0800.0800.0900.01200.01300.016.9333.3950.0600.0833.3933.30.00.00.0
Percentage of RegulatedAndUnregulatedOperatingRevenue-0.0-0.00.0-0.1-0.0-0.5-0.2-0.1-0.1-0.3-0.1-0.2-0.2-0.2-0.3-0.3-0.3-0.3-0.5-0.4-0.7-0.70.00.00.0
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:InterestRateContract us-gaap:Nondesignated nee:GainLossIncludedInInterestExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value2561666-5.01229127542197587912346804221007795442821558477931583966753540636507879716650884660492430327698610272429415607461667407580268263720417556349533370364
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue6.544.70.025.730.39.121.315.824.816.79.622.819.5114.653.717.618.039.926.115.714.116.612.517.716.415.819.014.212.211.79.015.915.98.312.710.816.613.717.39.314.68.67.715.311.615.49.511.99.79.8

us-gaap:NetIncomeLoss dei:LegalEntity

nee:NextEraEnergyPartners


Net
Period End2021-03-312020-06-302020-03-312019-06-302019-03-31
Value20246-222.0-27.0-22.0
Percentage of NetIncomeLoss12.13.6-52.7-2.2-3.2
Percentage of RegulatedAndUnregulatedOperatingRevenue5.41.1-4.8-0.5-0.5
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:NextEraEnergyPartners82.10.0-104.70.0-12.4

us-gaap:NetIncomeLoss us-gaap:ConsolidationItems

nee:CorporateAndEliminations


Net
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-311.03985.0-10.0-579.0-247.0-135.0-246.0139-105.018
Percentage of NetIncomeLoss-121.523.90.4-0.8-137.5-28.1-10.9-36.213.8-13.20.4
Percentage of RegulatedAndUnregulatedOperatingRevenue-7.910.70.1-0.2-12.6-4.4-2.7-6.03.1-2.60.5
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:CorporateAndEliminations1413.6-1592.0-18.532.32067.9-1122.7-1500.04100.0-13900.010500.0-450.0

us-gaap:NetIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, nee:FPLSegment


Net
Period End2021-06-302020-06-302020-03-31
Value819749642
Percentage of NetIncomeLoss319.958.7152.5
Percentage of RegulatedAndUnregulatedOperatingRevenue20.917.813.9
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:FPLSegment25.426.525.3

us-gaap:OperatingSegments, nee:FloridaPowerLightCompany


Net
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value757749400683663588407654626484343566526445371515448
Percentage of NetIncomeLoss61.658.741.077.753.786.596.464.978.710.915.966.866.328.138.468.483.0
Percentage of RegulatedAndUnregulatedOperatingRevenue15.817.88.712.313.314.49.314.815.412.58.611.811.911.210.010.711.7
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:FloridaPowerLightCompany21.926.50.019.621.022.50.019.221.518.50.016.317.017.60.015.716.3

us-gaap:OperatingSegments, nee:GulfPowerSegment


Net
Period End2021-06-302020-09-302020-06-302019-12-312019-09-302019-06-302019-03-31
Value63915522764537
Percentage of NetIncomeLoss24.67.44.32.38.63.65.4
Percentage of RegulatedAndUnregulatedOperatingRevenue1.61.91.30.51.40.90.9
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:GulfPowerSegment18.022.516.50.017.312.311.3

us-gaap:OperatingSegments, nee:NEERSegment


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value-315.0491481318
Percentage of NetIncomeLoss-123.029.537.775.5
Percentage of RegulatedAndUnregulatedOperatingRevenue-8.013.211.46.9
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:NEERSegment-82.962.944.717.9

us-gaap:OperatingSegments, nee:NexteraEnergyResources


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-644.037648131847736766130125021427439261894292301476360307234
Percentage of NetIncomeLoss12880.030.637.775.548.941.853.644.359.221.334.588.787.934.538.030.137.340.843.3
Percentage of RegulatedAndUnregulatedOperatingRevenue0.07.911.46.910.46.613.37.45.74.86.7101.647.26.16.812.09.76.46.1
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:NexteraEnergyResources0.039.544.717.90.022.746.026.50.021.023.7316.40.00.00.00.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-184.0-168.0-185.0-106.0-146.0-113.0-131.0-81.0-95.0-74.0-108.0-64.0-94.0-597.0-87.09.0118.051364.01.03.02.04.00.00.04.00.00.00.00.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.00.0
Percentage of RegulatedAndUnregulatedOperatingRevenue-4.7-4.50.0-2.2-3.5-2.4-2.9-1.5-1.9-1.8-2.5-1.4-2.3-15.5-2.20.20.20.21.40.70.10.00.10.00.10.00.00.10.00.00.00.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-578.01079-1165.0244128-1908.0159-737.0-484.0-455.0-829.099-231.04033-150.0-179.0-192.0-139.0595-72.0-406.0-338.0-118.0-179.0-152.0-193.0-194.0-220.0-167.0-155.0-189.0-190.0-160.0-182.0-93.0-180.0-172.0-225.0-209.0-346.0-180.0-192.0-207.0-165.0-215.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue-14.729.00.05.13.0-41.43.5-13.2-9.7-11.2-18.92.2-5.7104.4-3.7-3.7-4.4-3.516.1-1.5-10.6-8.8-2.9-3.6-3.5-4.7-4.2-4.7-4.1-4.2-5.2-4.3-4.2-5.6-2.8-4.7-4.7-6.7-5.4-7.9-4.5-6.1-6.1-3.5-6.0

us-gaap:NonoperatingIncomeExpense dei:LegalEntity

nee:FloridaPowerLightCompany


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-120.0-128.0-133.0-134.0-136.0-136.0-134.0-139.0-140.0-113.0-102.0-111.0-120.0-112.0-102.0-100.0-102.0-103.0-96.0-97.0-100.0
Percentage of NonoperatingIncomeExpense20.8-11.911.4-54.9-106.27.1-84.318.928.924.812.3-112.151.9-2.868.055.953.174.1-16.1134.724.6
Percentage of RegulatedAndUnregulatedOperatingRevenue-3.1-3.40.0-2.8-3.2-2.9-2.9-2.5-2.8-2.8-2.3-2.5-2.9-2.9-2.5-2.1-2.3-2.6-2.6-2.0-2.6
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:FloridaPowerLightCompany-3.4-4.30.0-3.9-4.8-5.4-4.6-4.0-4.4-4.3-3.5-3.3-4.1-4.3-3.5-2.9-3.3-4.1-3.8-3.0-3.6

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3410307138083777301826323711397932232940327534482907281637743409311915672772352626482601319434733212297531333491307829362990320928522845271430942645252827333471305427062943356628822683
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue86.882.40.078.971.857.180.971.464.872.174.678.071.472.994.170.970.839.574.973.469.467.878.570.173.772.567.275.076.479.982.473.074.486.880.480.572.175.070.779.277.186.386.276.080.374.1

us-gaap:OperatingExpenses dei:LegalEntity

nee:FloridaPowerLightCompany


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value233918562083239517601625230825182304176123272482198619122259245521501716186323621922
Percentage of OperatingExpenses68.660.454.763.458.361.762.263.371.559.971.172.068.367.959.972.068.9109.567.267.072.6
Percentage of RegulatedAndUnregulatedOperatingRevenue59.649.80.050.141.935.250.345.246.443.253.056.248.849.556.351.148.843.250.449.250.4
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:FloridaPowerLightCompany65.562.50.069.362.364.078.972.173.067.379.373.068.373.078.570.669.667.972.871.969.9

us-gaap:OperatingExpenses us-gaap:ConsolidationItems

nee:CorporateAndEliminations


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value4843672431453744424442
Percentage of OperatingExpenses1.41.41.80.81.21.11.11.51.21.51.5
Percentage of RegulatedAndUnregulatedOperatingRevenue1.21.21.40.60.70.80.71.11.01.11.1
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:CorporateAndEliminations-218.2-172.0-248.1-77.4-110.7204.5411.1-733.3-4200.0-4400.0-1050.0

us-gaap:OperatingExpenses us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, nee:FPLSegment


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value2066158017601625
Percentage of OperatingExpenses60.651.458.361.7
Percentage of RegulatedAndUnregulatedOperatingRevenue52.642.441.935.2
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:FPLSegment64.260.262.364.0

us-gaap:OperatingSegments, nee:FloridaPowerLightCompany


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value2083239517601625230825182304176123272482198619122259245521501716186323621922
Percentage of OperatingExpenses54.763.458.361.762.263.371.559.971.172.068.367.959.972.068.9109.567.267.072.6
Percentage of RegulatedAndUnregulatedOperatingRevenue0.050.141.935.250.345.246.443.253.056.248.849.556.351.148.843.250.449.250.4
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:FloridaPowerLightCompany0.069.362.364.00.072.173.067.30.073.068.373.00.070.669.667.90.071.969.9

us-gaap:OperatingSegments, nee:GulfPowerSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value273276264289259270315332298271
Percentage of OperatingExpenses8.09.06.97.78.610.38.58.39.29.2
Percentage of RegulatedAndUnregulatedOperatingRevenue7.07.40.06.06.25.96.96.06.06.7
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:GulfPowerSegment78.079.50.071.577.882.30.075.581.482.6

us-gaap:OperatingSegments, nee:NEERSegment


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value10231172993980
Percentage of OperatingExpenses30.038.232.937.2
Percentage of RegulatedAndUnregulatedOperatingRevenue26.131.523.621.2
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:NEERSegment269.2150.192.255.3

us-gaap:OperatingSegments, nee:NexteraEnergyResources


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value14191026975706110110845848649059248778611466964957931844974654
Percentage of OperatingExpenses37.327.232.326.829.727.218.129.427.626.830.230.638.828.330.759.430.427.624.7
Percentage of RegulatedAndUnregulatedOperatingRevenue0.021.423.215.324.019.511.821.220.620.921.622.336.620.021.723.422.820.317.1
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:NexteraEnergyResources0.0107.790.539.80.067.040.676.10.090.875.969.40.00.00.00.00.00.00.0

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
Value510669940100811861981878159317471135110797011621047236139912852405926127911691234876148111461129153211639517386411185981434732749102284311329119074284691125709939557849605583
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 RegulatedAndUnregulatedOperatingRevenue13.018.00.021.128.242.919.128.635.227.925.222.028.627.15.929.129.260.525.026.630.632.221.529.926.327.532.825.023.620.117.727.025.613.221.719.527.925.029.320.822.913.713.724.019.725.915.219.015.915.7

us-gaap:OperatingIncomeLoss dei:LegalEntity

nee:FloridaPowerLightCompany


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value12301114759106010659156179738548576099179227086181022941811694921828714
Percentage of OperatingIncomeLoss241.2166.580.7105.289.846.270.361.148.975.555.094.579.367.6261.973.173.233.774.972.070.857.9
Percentage of RegulatedAndUnregulatedOperatingRevenue31.329.90.022.225.319.813.417.517.221.013.920.822.718.315.421.321.420.418.819.221.718.6
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:FloridaPowerLightCompany34.537.50.030.737.736.021.127.927.032.720.727.031.727.021.529.430.432.127.128.130.131.0

nee:NextEraEnergyPartners


Operating
Period End2021-03-312020-06-302020-03-312019-06-302019-03-31
Value7889496934
Percentage of OperatingIncomeLoss11.77.52.53.93.0
Percentage of RegulatedAndUnregulatedOperatingRevenue2.12.11.11.40.8
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:NextEraEnergyPartners31.70.023.10.019.2

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value116.0238.017-35.03.01.08.010.0-21.010.00.0-20.0-6.010.05.016-24.0-9.08.020-22.0-33.01514-19.0-6.017-17.0-19.06.0-23.0-9.01.03.0-3.06.02.0-19.02.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue0.30.20.00.20.4-0.80.10.00.20.2-0.50.20.0-0.5-0.10.20.10.4-0.6-0.20.20.5-0.5-0.70.30.3-0.4-0.10.4-0.5-0.50.1-0.6-0.30.00.1-0.10.20.1-0.40.1

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value16-2.0681332-39.01310.022-24.0-30.0155.0-19.064454441-15.0403240-4.0-168.070-36.0-89.0-12.038-35.01382034119-36.0-29.0-96.060-40.0-229.0-87.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue0.4-0.10.00.30.8-0.80.30.20.4-0.6-0.70.30.1-0.51.60.91.01.0-0.40.80.81.0-0.1-3.41.6-0.9-1.9-0.30.9-1.03.80.50.93.6-1.1-0.8-2.61.8-1.0-5.2-2.2

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1.0-2.03.0-1.0-1.0-53.0-13.0-1.0-1.0-2.038-1.010.0-3.0-14.00.00.0-7.0-26.00.00.0-16.0-48.00.00.05.0900.00.07.0
Percentage of OtherComprehensiveIncomeLossNetOfTax7.7-6.2-7.7-10.0-4.5220.843.3-6.7-20.010.559.4-2.222.7-7.393.30.00.0-17.5650.0-0.00.044.453.9-0.00.0-14.365.20.00.05.9
Percentage of RegulatedAndUnregulatedOperatingRevenue0.0-0.00.1-0.0-0.0-1.3-0.3-0.0-0.0-0.10.9-0.00.2-0.1-0.40.00.0-0.2-0.60.00.0-0.4-1.00.00.00.12.50.00.00.2
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302020-06-30
Value1.0-2.0
Percentage of OtherComprehensiveIncomeLossNetOfTax6.2-6.2
Percentage of RegulatedAndUnregulatedOperatingRevenue0.0-0.0
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest0.00.0

us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302020-06-30
Value1117
Percentage of OtherComprehensiveIncomeLossNetOfTax68.853.1
Percentage of RegulatedAndUnregulatedOperatingRevenue0.30.4
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest0.00.0

us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Other
Period End2021-06-302020-06-30
Value2.03.0
Percentage of OtherComprehensiveIncomeLossNetOfTax12.59.4
Percentage of RegulatedAndUnregulatedOperatingRevenue0.10.1
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest0.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2.03.02.06.08.010.05.07.07.07.08.010.05.09.01717132332-86.062-34.0-35.012-11.0-9.020-9.05486
Percentage of OtherComprehensiveIncomeLossNetOfTax15.49.4-5.160.036.4-41.7-16.746.7140.0-36.812.522.211.422.0-113.342.540.657.5-800.051.288.694.439.3-100.0-28.925.714.5-45.0158.872.3
Percentage of RegulatedAndUnregulatedOperatingRevenue0.00.10.00.10.20.20.10.20.20.20.20.20.10.20.50.40.30.60.8-1.71.4-0.8-0.80.3-0.3-0.20.6-0.21.42.6
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302020-06-30
Value2.014
Percentage of OtherComprehensiveIncomeLossNetOfTax12.543.8
Percentage of RegulatedAndUnregulatedOperatingRevenue0.10.3
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest0.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2.014-9.03.06.010.00.0-2.0-3.0-6.0232525183.029127.010.0-46.0-10.02.016-18.035-12.04623-2.034
Percentage of OtherComprehensiveIncomeLossNetOfTax15.443.823.130.027.3-41.7-0.0-13.3-60.031.635.955.656.843.9-20.072.537.517.5-250.027.4-14.3-5.6-18.0150.092.134.333.3115.0-5.928.6
Percentage of RegulatedAndUnregulatedOperatingRevenue0.00.3-0.20.10.10.20.0-0.0-0.1-0.20.60.50.60.50.10.60.30.20.2-0.9-0.20.00.3-0.40.9-0.31.30.5-0.11.0
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value13-5.01129-33.010.022-24.0-30.0165.0-19.063454330-34.04631541.0-164.069-33.0-87.0-12.038-35.0
Percentage of OtherComprehensiveIncomeLossNetOfTax81.2250.084.690.684.6100.0100.0100.0100.0106.7100.0100.098.4100.097.773.2226.7115.096.9135.0-25.097.698.691.797.8100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue0.3-0.10.20.7-0.70.20.4-0.6-0.70.40.1-0.51.60.91.00.8-0.91.00.81.40.0-3.31.6-0.8-1.9-0.30.9-1.0
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value8.017-35.01.08.010.0-21.010.00.0-20.0-6.010.05.016-24.0-9.08.020-22.0-33.01514-19.0-6.017-17.0-19.06.0-23.0-9.0
Percentage of OtherComprehensiveIncomeLossNetOfTax61.553.189.710.036.4-41.770.066.70.0105.3-9.422.211.439.0160.0-22.525.050.0550.019.621.4-38.921.350.044.748.6-13.830.0-67.6-7.6
Percentage of RegulatedAndUnregulatedOperatingRevenue0.20.4-0.80.00.20.2-0.50.20.0-0.5-0.10.20.10.4-0.6-0.20.20.5-0.5-0.70.30.3-0.4-0.10.4-0.5-0.50.1-0.6-0.3
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302020-06-30
Value1632
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue0.40.8
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest0.00.0

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value3.02.02.03.0-6.00.00.01.0-1.01.01119-6.01.0-14.0-5.0-4.01.0-3.0
Percentage of OtherComprehensiveIncomeLossNetOfTax18.8-100.015.49.415.40.0-0.01.6-2.22.326.8-126.7-15.03.1-35.0125.02.41.48.3
Percentage of RegulatedAndUnregulatedOperatingRevenue0.10.10.00.1-0.10.00.00.0-0.00.00.30.5-0.10.0-0.4-0.1-0.10.0-0.1
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value13-5.01129-33.010.022-24.0-30.0165.0-19.063454330-34.04631541.0-164.069-33.0-87.0-12.038-35.0
Percentage of OtherComprehensiveIncomeLossNetOfTax81.2250.084.690.684.6100.0100.0100.0100.0106.7100.0100.098.4100.097.773.2226.7115.096.9135.0-25.097.698.691.797.8100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue0.3-0.10.20.7-0.70.20.4-0.6-0.70.40.1-0.51.60.91.00.8-0.91.00.81.40.0-3.31.6-0.8-1.9-0.30.9-1.0
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value31192921-4.010.024121614181110.06.014236.0-21.02.01726-3.0138.04.08.09.0-2.00.0-3.00.09.0245.02.0-27.0-3.0-1.0204.07.02.0225.0-29.0-2.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue0.80.50.00.4-0.10.20.50.20.30.30.40.20.20.20.30.50.1-0.50.10.40.7-0.10.30.20.10.20.2-0.00.0-0.10.00.20.60.20.1-0.7-0.1-0.00.50.10.20.10.60.1-0.8-0.1

us-gaap:OtherNonoperatingIncomeExpense dei:LegalEntity

nee:FloridaPowerLightCompany


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value3.00.0-1.01.00.02.02.02.02.02.02.01.01.0-4.01.00.00.0-1.00.03.0
Percentage of OtherNonoperatingIncomeExpense9.70.0-4.8-25.00.08.316.712.514.311.118.210.016.7-28.64.30.0-0.0-50.00.011.5
Percentage of RegulatedAndUnregulatedOperatingRevenue0.10.0-0.00.00.00.00.00.00.00.00.00.00.0-0.10.00.00.0-0.00.00.1
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:FloridaPowerLightCompany0.10.0-0.00.00.00.10.10.10.10.10.10.00.0-0.10.00.00.0-0.00.00.1

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value721498-190.01123112930884479811396063149437013831206885680415911017789544637510881720650884664492-14.0327698610-34.0
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue1.840.20.023.526.96.718.414.322.914.97.221.317.299.251.617.818.340.127.516.414.316.612.517.816.515.819.014.312.2-0.49.015.915.9-1.0

us-gaap:ProfitLoss dei:LegalEntity

nee:FloridaPowerLightCompany


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value882777502757749642400683663588407654626484343
Percentage of ProfitLoss1225.051.9-264.267.466.3208.447.485.658.297.0129.669.489.312.616.6
Percentage of RegulatedAndUnregulatedOperatingRevenue22.520.90.015.817.813.98.712.313.314.49.314.815.412.58.6
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:FloridaPowerLightCompany24.726.20.021.926.525.313.719.621.022.513.919.221.518.511.9

nee:NextEraEnergyPartners


Profit
Period End2021-03-312020-06-302020-03-312019-06-302019-03-31
Value571127-720.0-123.0-121.0
Percentage of ProfitLoss38.111.2-233.8-10.8-20.0
Percentage of RegulatedAndUnregulatedOperatingRevenue15.33.0-15.6-2.5-3.0
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:NextEraEnergyPartners232.10.0-339.60.0-68.4

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

nee:FloridaPowerLightCompany, us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value882777757749642683663588
Percentage of ProfitLoss1225.051.967.466.3208.485.658.297.0
Percentage of RegulatedAndUnregulatedOperatingRevenue22.520.915.817.813.912.313.314.4
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:FloridaPowerLightCompany us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, nee:FPLSegment


Profit
Period End2021-06-302021-03-312020-06-30
Value819720749
Percentage of ProfitLoss1137.548.166.3
Percentage of RegulatedAndUnregulatedOperatingRevenue20.919.317.8
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:FPLSegment25.427.426.5

us-gaap:OperatingSegments, nee:FloridaPowerLightCompany


Profit
Period End2020-12-312020-09-302020-06-302020-03-31
Value502757749642
Percentage of ProfitLoss-264.267.466.3208.4
Percentage of RegulatedAndUnregulatedOperatingRevenue0.015.817.813.9
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:FloridaPowerLightCompany0.021.926.525.3

us-gaap:OperatingSegments, nee:GulfPowerSegment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value63575391554022774437
Percentage of ProfitLoss87.53.8-27.98.14.913.02.69.63.96.1
Percentage of RegulatedAndUnregulatedOperatingRevenue1.61.50.01.91.30.90.51.40.90.9
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:GulfPowerSegment18.016.40.022.516.512.20.017.512.011.3

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value-184.0-168.0-105.0-144.0-112.0-81.0-95.0-74.0-108.0-64.0-94.0-597.0-87.010.0118.051374.01.03.02.00.0
Percentage of ProfitLoss-255.6-11.2-9.3-12.8-36.4-10.2-8.3-12.2-34.4-6.8-13.4-15.6-4.21.21.40.55.04.70.70.20.60.20.0
Percentage of RegulatedAndUnregulatedOperatingRevenue-4.7-4.5-2.2-3.4-2.4-1.5-1.9-1.8-2.5-1.4-2.3-15.5-2.20.20.20.21.40.80.10.00.10.00.0
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value25616661229127542187912346804091005781442821558477931583966753557636507879716650884660491430
Percentage of ProfitLoss355.6111.2109.4112.9136.7110.2108.3112.2130.3106.6111.4115.6104.298.998.699.595.095.4102.499.899.499.899.4100.0100.099.499.8-3071.4
Percentage of RegulatedAndUnregulatedOperatingRevenue6.544.725.730.39.115.824.816.79.322.719.2114.653.717.618.039.926.115.714.616.612.517.716.415.819.014.212.211.7
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value25616661229127542187912346804091005781442821558477931583966753557636507879716650884660491430
Percentage of ProfitLoss355.6111.2109.4112.9136.7110.2108.3112.2130.3106.6111.4115.6104.298.998.699.595.095.4102.499.899.499.899.4100.0100.099.499.8-3071.4
Percentage of RegulatedAndUnregulatedOperatingRevenue6.544.725.730.39.115.824.816.79.322.719.2114.653.717.618.039.926.115.714.616.612.517.716.415.819.014.212.211.7
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Regulated And Unregulated Operating Revenue

us-gaap:RegulatedAndUnregulatedOperatingRevenue

us-gaap:RegulatedAndUnregulatedOperatingRevenue


Regulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value39273726439547854204461345885572497040754390441840693863401048084404397236994805381738354069495443584104466446544029367436304394383332793375384336673371386443823961313434134691359136223655447338113705
Percentage of RegulatedAndUnregulatedOperatingRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RegulatedAndUnregulatedOperatingRevenue dei:LegalEntity

nee:FloridaPowerLightCompany


Regulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3569297028423455282525402925349131582618293533992908262028773477309125272558328327502303
Percentage of RegulatedAndUnregulatedOperatingRevenue90.979.764.772.267.255.163.862.763.564.266.976.971.567.871.772.370.263.669.268.372.060.1
Percentage of RegulatedAndUnregulatedOperatingRevenue90.979.764.772.267.255.163.862.763.564.266.976.971.567.871.772.370.263.669.268.372.060.1
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:FloridaPowerLightCompany100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:NextEraEnergyPartners


Regulated
Period End2021-03-312020-06-302020-03-312019-06-302019-03-31
Value246253212220177
Percentage of RegulatedAndUnregulatedOperatingRevenue6.66.04.64.44.3
Percentage of RegulatedAndUnregulatedOperatingRevenue6.66.04.64.44.3
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:NextEraEnergyPartners100.0100.0100.0100.0100.0

us-gaap:RegulatedAndUnregulatedOperatingRevenue us-gaap:ConsolidationItems

nee:CorporateAndEliminations


Regulated
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-22.0-25.0-27.0-31.0-28.0229.0-6.0-1.0-1.0-4.0
Percentage of RegulatedAndUnregulatedOperatingRevenue-0.6-0.7-0.6-0.7-0.60.40.2-0.1-0.0-0.0-0.1
Percentage of RegulatedAndUnregulatedOperatingRevenue-0.6-0.7-0.6-0.7-0.60.40.2-0.1-0.0-0.0-0.1
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:CorporateAndEliminations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RegulatedAndUnregulatedOperatingRevenue us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, nee:FPLSegment


Regulated
Period End2021-06-302021-03-312020-06-302020-03-31
Value3219262328252540
Percentage of RegulatedAndUnregulatedOperatingRevenue82.070.467.255.1
Percentage of RegulatedAndUnregulatedOperatingRevenue82.070.467.255.1
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:FPLSegment100.0100.0100.0100.0

us-gaap:OperatingSegments, nee:FloridaPowerLightCompany


Regulated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value2842345528252540292534913158261829353399290826202877347730912527255832832750
Percentage of RegulatedAndUnregulatedOperatingRevenue64.772.267.255.163.862.763.564.266.976.971.567.871.772.370.263.669.268.372.0
Percentage of RegulatedAndUnregulatedOperatingRevenue64.772.267.255.163.862.763.564.266.976.971.567.871.772.370.263.669.268.372.0
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:FloridaPowerLightCompany100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, nee:GulfPowerSegment


Regulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value350347333404333328353440366328
Percentage of RegulatedAndUnregulatedOperatingRevenue8.99.37.68.47.97.17.77.97.48.0
Percentage of RegulatedAndUnregulatedOperatingRevenue8.99.37.68.47.97.17.77.97.48.0
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:GulfPowerSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, nee:NEERSegment


Regulated
Period End2021-06-302021-03-312020-06-302020-03-31
Value38078110771773
Percentage of RegulatedAndUnregulatedOperatingRevenue9.721.025.638.4
Percentage of RegulatedAndUnregulatedOperatingRevenue9.721.025.638.4
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:NEERSegment100.0100.0100.0100.0

us-gaap:OperatingSegments, nee:NexteraEnergyResources


Regulated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value12449531077177314471619143711351570101811561241
Percentage of RegulatedAndUnregulatedOperatingRevenue28.319.925.638.431.529.128.927.935.823.028.432.1
Percentage of RegulatedAndUnregulatedOperatingRevenue28.319.925.638.431.529.128.927.935.823.028.432.1
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:NexteraEnergyResources100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax


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
Value47004000410049004100390043004900450038004500410035003300
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue119.7107.493.3102.497.584.593.787.990.593.3102.592.886.085.4

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax dei:LegalEntity

nee:FloridaPowerLightCompany


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3600300028003400280025002900350031002600
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax76.675.068.369.468.364.167.471.468.968.4
Percentage of RegulatedAndUnregulatedOperatingRevenue91.780.563.771.166.654.263.262.862.463.8
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:FloridaPowerLightCompany100.9101.098.598.499.198.499.1100.398.299.3

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302009-12-312008-12-31
Value1350131324411276841263821219611206371176911142221105521090291037029860395490942849782796781928909120589993878648542084637824797996377201749297492972193715907033169306671666521763843644396204960390592075718856585545575325752994529944845844821
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets dei:LegalEntity

nee:FloridaPowerLightCompany


Assetsdei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value737417209761610605035933058317571885616555263543245348452978516115089550244499154780045501
Percentage of Assets54.654.448.347.948.648.348.649.250.049.851.653.754.054.051.451.651.550.6
Percentage of Assets54.654.448.347.948.648.348.649.250.049.851.653.754.054.051.451.651.550.6
Percentage of Assets nee:FloridaPowerLightCompany100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets dei:LegalEntity, us-gaap:ConsolidatedEntities

nee:IndirectSubsidiaryofNextEraEnergyResources, nee:PhotovoltaicSolarFacility


Assetsdei:
Period End2021-06-302021-03-312020-12-312019-12-31
Value1021756751776
Percentage of Assets0.80.60.60.7
Percentage of Assets0.80.60.60.7
Percentage of Assets nee:IndirectSubsidiaryofNextEraEnergyResources nee:PhotovoltaicSolarFacility100.0100.0100.0100.0

nee:NextEraEnergyResourcesConsolidatedVIE, nee:PhotovoltaicSolarFacility


Assetsdei:
Period End2020-12-31
Value1600
Percentage of Assets1.3
Percentage of Assets1.3
Percentage of Assets nee:NextEraEnergyResourcesConsolidatedVIE nee:PhotovoltaicSolarFacility100.0

nee:NexteraEnergyResources, nee:VariableInterestEntitiesGasAndOilPrimaryBeneficiary


Assetsdei:
Period End2021-06-302021-03-312020-12-312019-12-31
Value177184188216
Percentage of Assets0.10.10.10.2
Percentage of Assets0.10.10.10.2
Percentage of Assets nee:NexteraEnergyResources nee:VariableInterestEntitiesGasAndOilPrimaryBeneficiary100.0100.0100.0100.0

nee:NexteraEnergyResources, nee:VariableInterestEntitiesWindAndSolarPVFacilities


Assetsdei:
Period End2021-06-302021-03-312020-12-31
Value154116001600
Percentage of Assets1.11.21.3
Percentage of Assets1.11.21.3
Percentage of Assets nee:NexteraEnergyResources nee:VariableInterestEntitiesWindAndSolarPVFacilities100.0100.0100.0

nee:NexteraEnergyResources, nee:VariableInterestEntitiesWindandSolarPrimaryBeneficiaryMember


Assetsdei:
Period End2021-06-302021-03-312020-12-312019-12-31
Value16330162001620011300
Percentage of Assets12.112.212.79.6
Percentage of Assets12.112.212.79.6
Percentage of Assets nee:NexteraEnergyResources nee:VariableInterestEntitiesWindandSolarPrimaryBeneficiaryMember100.0100.0100.0100.0

us-gaap:Assets dei:LegalEntity, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

nee:IndirectSubsidiaryofNextEraEnergyResources, nee:PhotovoltaicSolarFacility


Assetsdei:
Period End2020-09-302020-06-302019-12-31
Value784784776
Percentage of Assets0.60.60.7
Percentage of Assets0.60.60.7
Percentage of Assets nee:IndirectSubsidiaryofNextEraEnergyResources nee:PhotovoltaicSolarFacility100.0100.0100.0

nee:NexteraEnergyResources, nee:VariableInterestEntitiesGasAndOilPrimaryBeneficiary


Assetsdei:
Period End2020-09-302020-06-302019-12-31
Value198202216
Percentage of Assets0.20.20.2
Percentage of Assets0.20.20.2
Percentage of Assets nee:NexteraEnergyResources nee:VariableInterestEntitiesGasAndOilPrimaryBeneficiary100.0100.0100.0

nee:NexteraEnergyResources, nee:VariableInterestEntitiesWindandSolarPrimaryBeneficiaryMember


Assetsdei:
Period End2020-09-302020-06-302019-12-31
Value118001190011300
Percentage of Assets9.39.89.6
Percentage of Assets9.39.89.6
Percentage of Assets nee:NexteraEnergyResources nee:VariableInterestEntitiesWindandSolarPrimaryBeneficiaryMember100.0100.0100.0

us-gaap:Assets us-gaap:BusinessAcquisition

nee:Fpl


Assetsus-gaap:
Period End2021-01-01
Value6700
Percentage of Assets0.0
Percentage of Assets0.0
Percentage of Assets nee:Fpl100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312019-12-31
Value497501423173
Percentage of Assets0.40.40.30.1
Percentage of Assets0.40.40.30.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities, us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:CorporateAndOther, us-gaap:CorporateNonSegment, us-gaap:CorporateAndOther


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value37163132668819441827121820341875114627492309
Percentage of Assets2.92.76.42.01.91.32.11.91.23.12.8
Percentage of Assets2.92.76.42.01.91.32.11.91.23.12.8
Percentage of Assets us-gaap:CorporateAndOther us-gaap:CorporateNonSegment us-gaap:CorporateAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

nee:CorporateAndEliminations


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value32243683371642393289462531326299465448016688
Percentage of Assets2.42.82.93.42.73.82.75.54.24.46.4
Percentage of Assets2.42.82.93.42.73.82.75.54.24.46.4
Percentage of Assets nee:CorporateAndEliminations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

nee:CorporateAndEliminations, nee:FloridaPowerLightCompany


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-31
Value264526572666
Percentage of Assets2.02.02.1
Percentage of Assets2.02.02.1
Percentage of Assets nee:CorporateAndEliminations nee:FloridaPowerLightCompany100.0100.0100.0

us-gaap:OperatingSegments, nee:FPLSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-31
Value642786270861610
Percentage of Assets47.647.348.3
Percentage of Assets47.647.348.3
Percentage of Assets us-gaap:OperatingSegments nee:FPLSegment100.0100.0100.0

us-gaap:OperatingSegments, nee:FloridaPowerLightCompany


Assetsus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value6161060503593305831757188561655526354324534845297851611508955024449915478004550142523
Percentage of Assets48.347.948.648.348.649.250.049.851.653.754.054.051.451.651.550.651.6
Percentage of Assets48.347.948.648.348.649.250.049.851.653.754.054.051.451.651.550.651.6
Percentage of Assets us-gaap:OperatingSegments nee:FloridaPowerLightCompany100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, nee:GulfPowerSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6818673267256679614562405855545954055378
Percentage of Assets5.05.15.35.35.05.25.04.84.94.9
Percentage of Assets5.05.15.35.35.05.25.04.84.94.9
Percentage of Assets us-gaap:OperatingSegments nee:GulfPowerSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, nee:NEERSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-31
Value606935931855633
Percentage of Assets45.044.843.6
Percentage of Assets45.044.843.6
Percentage of Assets us-gaap:OperatingSegments nee:NEERSegment100.0100.0100.0

us-gaap:OperatingSegments, nee:NexteraEnergyResources


Assetsus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value5563354961531975145551516462994523044526435304368142052421714554944991439444174337647
Percentage of Assets43.643.543.642.743.840.540.940.842.044.344.044.746.646.547.346.445.6
Percentage of Assets43.643.543.642.743.840.540.940.842.044.344.044.746.646.547.346.445.6
Percentage of Assets us-gaap:OperatingSegments nee:NexteraEnergyResources100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOther


Assetsus-gaap:
Period End2020-12-312019-12-31
Value2271720659
Percentage of Assets17.817.6
Percentage of Assets17.817.6
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOther100.0100.0

us-gaap:Assets us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsus-gaap:
Period End2020-09-302020-06-302019-12-31
Value345254173
Percentage of Assets0.30.20.1
Percentage of Assets0.30.20.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0

us-gaap:Assets us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Assetsus-gaap:
Period End2021-01-01
Value6700
Percentage of Assets0.0
Percentage of Assets0.0
Percentage of Assets us-gaap:SubsequentEvent100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312019-12-31
Value89899867118275575844
Percentage of Liabilities100.0100.0100.0100.0
Percentage of Assets66.665.564.864.4

us-gaap:Liabilities dei:LegalEntity

nee:FloridaPowerLightCompany


Liabilitiesdei:
Period End2021-06-302021-03-312020-12-312019-12-31
Value42253410573787035790
Percentage of Liabilities47.047.345.847.2
Percentage of Assets31.331.029.730.4
Percentage of Assets nee:FloridaPowerLightCompany57.356.961.562.6

us-gaap:Liabilities dei:LegalEntity, us-gaap:ConsolidatedEntities

nee:IndirectSubsidiaryofNextEraEnergyResources, nee:PhotovoltaicSolarFacility


Liabilitiesdei:
Period End2021-06-302021-03-312020-12-312019-12-31
Value586573607598
Percentage of Liabilities0.70.70.70.8
Percentage of Assets0.40.40.50.5
Percentage of Assets nee:IndirectSubsidiaryofNextEraEnergyResources nee:PhotovoltaicSolarFacility57.475.880.877.1

nee:NextEraEnergyResourcesConsolidatedVIE, nee:PhotovoltaicSolarFacility


Liabilitiesdei:
Period End2020-12-31
Value400
Percentage of Liabilities0.5
Percentage of Assets0.3
Percentage of Assets nee:NextEraEnergyResourcesConsolidatedVIE nee:PhotovoltaicSolarFacility25.0

nee:NexteraEnergyResources, nee:VariableInterestEntitiesGasAndOilPrimaryBeneficiary


Liabilitiesdei:
Period End2021-06-302021-03-312020-12-312019-12-31
Value25242225
Percentage of Liabilities0.00.00.00.0
Percentage of Assets0.00.00.00.0
Percentage of Assets nee:NexteraEnergyResources nee:VariableInterestEntitiesGasAndOilPrimaryBeneficiary14.113.011.711.6

nee:NexteraEnergyResources, nee:VariableInterestEntitiesWindAndSolarPVFacilities


Liabilitiesdei:
Period End2021-06-302021-03-312020-12-31
Value82100400
Percentage of Liabilities0.10.10.5
Percentage of Assets0.10.10.3
Percentage of Assets nee:NexteraEnergyResources nee:VariableInterestEntitiesWindAndSolarPVFacilities5.36.225.0

nee:NexteraEnergyResources, nee:VariableInterestEntitiesWindandSolarPrimaryBeneficiaryMember


Liabilitiesdei:
Period End2021-06-302021-03-312020-12-312019-12-31
Value109014001700800
Percentage of Liabilities1.21.62.11.1
Percentage of Assets0.81.11.30.7
Percentage of Assets nee:NexteraEnergyResources nee:VariableInterestEntitiesWindandSolarPrimaryBeneficiaryMember6.78.610.57.1

us-gaap:Liabilities dei:LegalEntity, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

nee:IndirectSubsidiaryofNextEraEnergyResources, nee:PhotovoltaicSolarFacility


Liabilitiesdei:
Period End2020-09-302020-06-302019-12-31
Value624636598
Percentage of Liabilities0.00.00.8
Percentage of Assets0.50.50.5
Percentage of Assets nee:IndirectSubsidiaryofNextEraEnergyResources nee:PhotovoltaicSolarFacility79.681.177.1

nee:NexteraEnergyResources, nee:VariableInterestEntitiesGasAndOilPrimaryBeneficiary


Liabilitiesdei:
Period End2020-09-302020-06-302019-12-31
Value242725
Percentage of Liabilities0.00.00.0
Percentage of Assets0.00.00.0
Percentage of Assets nee:NexteraEnergyResources nee:VariableInterestEntitiesGasAndOilPrimaryBeneficiary12.113.411.6

nee:NexteraEnergyResources, nee:VariableInterestEntitiesWindandSolarPrimaryBeneficiaryMember


Liabilitiesdei:
Period End2020-09-302020-06-302019-12-31
Value700800800
Percentage of Liabilities0.00.01.1
Percentage of Assets0.60.70.7
Percentage of Assets nee:NexteraEnergyResources nee:VariableInterestEntitiesWindandSolarPrimaryBeneficiaryMember5.96.77.1

us-gaap:Liabilities us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312019-12-31
Value67916829
Percentage of Liabilities0.10.10.10.0
Percentage of Assets0.00.10.10.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary13.518.216.116.8

us-gaap:Liabilities us-gaap:EquityMethodInvestmentNonconsolidatedInvestee

us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOther


Liabilitiesus-gaap:
Period End2020-12-312019-12-31
Value66126956
Percentage of Liabilities8.09.2
Percentage of Assets5.25.9
Percentage of Assets us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOther29.133.7

us-gaap:Liabilities us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesus-gaap:
Period End2020-09-302020-06-302019-12-31
Value694029
Percentage of Liabilities0.00.00.0
Percentage of Assets0.10.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary20.015.716.8

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
Value135013132441127684126382121961120637117691114222110552109029103702986039549094284978279678192890912058999387864854208463782479799637720174929749297219371590703316930667166652176384364439620496039059207571885658554557532575299448458
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

nee:FloridaPowerLightCompany


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value737417209761610605035933058317571885616555263543245348452978516115089550244499154780045501
Percentage of LiabilitiesAndStockholdersEquity54.654.448.347.948.648.348.649.250.049.851.653.754.054.051.451.651.550.6
Percentage of Assets54.654.448.347.948.648.348.649.250.049.851.653.754.054.051.451.651.550.6
Percentage of Assets nee:FloridaPowerLightCompany100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value36932373783651337287370733640337005365923491034226341443425233021327062820826398259262549724341239072317422912225742231821338202351991618810184291816018040160681494314461129671168110735
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets27.428.228.629.530.430.231.432.031.631.432.934.734.634.728.827.327.928.027.027.227.127.127.427.927.627.026.626.125.725.826.024.926.127.326.826.10.0

us-gaap:StockholdersEquity dei:LegalEntity

nee:FloridaPowerLightCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value23740213982101417040165801555313151
Percentage of StockholdersEquity65.057.861.560.468.168.966.0
Percentage of Assets18.618.220.317.418.418.917.6
Percentage of Assets nee:FloridaPowerLightCompany38.537.439.333.936.40.00.0

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

nee:FloridaPowerLightCompany, us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1275310851106018291833277336279
Percentage of StockholdersEquity34.929.331.029.434.234.331.5
Percentage of Assets10.09.210.28.59.39.48.4
Percentage of Assets nee:FloridaPowerLightCompany us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.0

nee:FloridaPowerLightCompany, us-gaap:RetainedEarnings


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value9614917490407376687564475499
Percentage of StockholdersEquity26.324.826.526.128.228.627.6
Percentage of Assets7.57.88.77.57.67.87.3
Percentage of Assets nee:FloridaPowerLightCompany us-gaap:RetainedEarnings0.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value80618237738290267581972574087679747182226393834958855612715770275947582774096747651270966795665763466297694456336099614158425472473540455237443748545094487262524813451952584337
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.06.25.87.16.28.16.36.76.87.56.28.56.26.07.37.36.46.48.27.77.68.48.28.38.28.49.37.88.58.78.48.17.36.38.17.28.08.68.511.08.88.59.99.0

us-gaap:AssetsCurrent dei:LegalEntity

nee:FloridaPowerLightCompany


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value330829232514306827973494251931043002265127783037272726322684308226602746
Percentage of AssetsCurrent41.035.534.134.036.935.934.040.440.232.243.536.446.346.937.543.944.737.1
Percentage of Assets2.52.22.02.42.32.92.12.72.72.42.73.12.92.82.73.22.93.1
Percentage of Assets nee:FloridaPowerLightCompany4.54.14.15.14.76.04.45.55.44.95.25.75.35.25.36.25.66.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value884146211051961100933356001131101997263849747855017141381642600129268173062857111815514695774856224884385584112153292462952753776402874253027918291215238535290
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.71.10.91.60.82.80.51.00.90.90.60.50.50.61.81.40.70.71.40.80.90.70.71.50.70.60.80.70.90.70.60.80.60.30.50.40.50.50.71.10.50.80.61.50.00.00.51.20.0

us-gaap:CashAndCashEquivalentsAtCarryingValue dei:LegalEntity

nee:FloridaPowerLightCompany


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-31
Value4244201146710017713793771121033826338.03333461423
Percentage of CashAndCashEquivalentsAtCarryingValue4.83.01.85.86.630.012.812.19.17.917.620.77.94.71.90.65.12.66.81.94.0
Percentage of Assets0.00.00.00.10.10.80.10.10.10.10.10.10.00.00.00.00.00.00.10.00.0
Percentage of Assets nee:FloridaPowerLightCompany0.10.10.00.20.11.70.10.20.20.10.20.20.10.10.10.00.10.10.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value14332165154624371436383411081558170313415253721736908198317699438001529772765
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.61.21.91.23.20.91.41.51.25.10.70.81.02.01.81.00.91.70.91.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents dei:LegalEntity

nee:FloridaPowerLightCompany


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value1211389622916811331952882601992542051121421741201381271539852
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents8.46.46.29.411.729.617.618.515.314.84.828.415.215.68.86.814.615.910.012.76.8
Percentage of Assets0.10.10.10.20.10.90.20.30.20.20.20.20.10.20.20.10.10.10.20.10.1
Percentage of Assets nee:FloridaPowerLightCompany0.20.20.20.40.31.90.30.50.50.40.50.40.20.30.30.20.30.00.30.00.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value27272648226325722391206822822717255321912302245422301881222021471950163517841921181615741784196118831718180520221978190417771888180913661487163314661262137216891633128515091431
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.02.01.82.02.01.71.92.42.32.02.22.52.32.02.32.22.11.82.02.22.11.92.22.52.42.32.42.82.82.72.62.82.82.12.32.62.42.12.43.03.02.42.83.0

us-gaap:AccountsReceivableNetCurrent dei:LegalEntity

nee:FloridaPowerLightCompany


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value138310429911396118396310241354129399310261372114892210731212974768
Percentage of AccountsReceivableNetCurrent50.739.443.854.349.546.644.949.850.645.344.655.951.549.048.356.549.943.0
Percentage of Assets1.00.80.81.11.00.80.91.21.20.91.01.41.21.01.11.31.00.9
Percentage of Assets nee:FloridaPowerLightCompany1.91.41.62.32.01.71.82.42.31.81.92.62.21.82.12.42.01.7

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value15961604155214141367137113281451142714101223108311591205127313521313130312891309125412871259134412781249129212691178114811531142112010981073105510821092107410451072857
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.21.21.11.11.11.11.31.31.31.21.11.21.31.31.41.41.41.41.51.51.51.51.71.71.71.71.81.61.61.71.71.71.71.71.71.81.81.91.82.01.6

us-gaap:InventoryNet dei:LegalEntity

nee:FloridaPowerLightCompany


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value906914777781763754722741729690670698783811840903875851
Percentage of InventoryNet56.857.050.155.255.855.054.451.151.148.954.864.567.667.366.066.866.666.0
Percentage of Assets0.70.70.60.60.60.60.60.60.70.60.60.70.80.90.90.90.90.9
Percentage of Assets nee:FloridaPowerLightCompany1.21.31.31.31.31.31.31.31.31.31.31.31.51.61.71.81.81.9

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value9479908041539121710551576664603608551518554577468551524558528459469518476602666485439485697385403788349267342332344264310295404293325409
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.61.21.00.91.30.60.50.60.50.50.60.60.50.60.60.60.60.50.50.60.60.80.90.60.60.71.00.50.61.20.50.40.50.50.60.40.50.50.70.60.60.8

us-gaap:OtherAssetsCurrent dei:LegalEntity

nee:FloridaPowerLightCompany


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value174198129162159180136156162166239232175226241176168213
Percentage of OtherAssetsCurrent18.420.016.010.513.117.18.623.526.927.343.444.831.639.251.531.932.140.3
Percentage of Assets0.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.2
Percentage of Assets nee:FloridaPowerLightCompany0.20.30.20.30.30.30.20.30.30.30.40.40.30.40.50.40.40.5

Assets Noncurrent

us-gaap:AssetsNoncurrent

us-gaap:AssetsNoncurrent


Assets
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1203022827327548269452601326975216822094621476182541866617287169781567215500147511464714298134711254512399122801149311460108841074410295100229974978999191004110145982692168890880186618043
Percentage of AssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets94.224.024.124.423.926.022.021.922.818.719.318.618.617.417.617.317.317.316.816.216.516.415.916.015.515.515.315.415.615.216.016.617.117.216.316.316.516.316.6

us-gaap:AssetsNoncurrent dei:LegalEntity

nee:FloridaPowerLightCompany


Assets
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value59096959593869430946792078789846484968380856874086746
Percentage of AssetsNoncurrent49.133.934.135.036.434.140.540.439.645.945.942.943.0
Percentage of Assets46.38.28.28.58.78.98.98.99.08.68.98.07.5
Percentage of Assets nee:FloridaPowerLightCompany95.916.816.717.117.417.216.616.416.716.717.215.514.8

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1244351212441181031071781037431000519815892083903258975188115937839254890704891688701385863837408232080330792057726474678736397291171433703676944867855664116549064917634306094859261575525622356141553055422150169
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets92.291.592.591.190.890.590.088.891.694.093.595.995.697.697.896.797.798.097.397.499.1100.199.798.3101.099.8100.1100.2101.0101.8102.6100.7102.2100.9100.1100.699.4102.9103.8102.3103.5

us-gaap:PropertyPlantAndEquipmentGross dei:LegalEntity

nee:FloridaPowerLightCompany


Property
Period End2021-06-302021-03-312020-12-312019-12-31
Value72017707576323059027
Percentage of PropertyPlantAndEquipmentGross57.958.453.555.1
Percentage of Assets53.353.449.550.2
Percentage of Assets nee:FloridaPowerLightCompany97.798.1102.6103.2

Construction In Progress Gross

us-gaap:ConstructionInProgressGross

us-gaap:ConstructionInProgressGross


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value13368121921063912279105531020193308891723671988357870873476670667964925349538847327150658565195657621855503939359145384366477346904562418159055968717465175887498945873678451138412425
Percentage of ConstructionInProgressGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.99.28.39.78.78.57.97.86.56.68.18.87.77.16.86.75.85.95.38.17.77.76.97.87.25.34.86.36.16.86.86.86.49.29.311.610.89.98.78.16.78.57.25.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value9681194304918038885586326838738201078995761367479470334685726865967196724167108869656684006691265617641576289461386598355831056233557055506754031533065272051399504604982449413476934549543968424904111740854399373907536078
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets71.771.271.970.370.869.569.769.268.968.667.869.571.971.374.073.575.075.074.474.775.174.374.474.875.575.074.376.375.575.876.176.577.478.076.776.975.374.374.372.774.975.073.774.5

us-gaap:PropertyPlantAndEquipmentNet dei:LegalEntity

nee:NexteraEnergyResources


Property
Period End2020-12-312017-12-31
Value1900502
Percentage of PropertyPlantAndEquipmentNet2.10.7
Percentage of Assets1.50.5
Percentage of Assets nee:NexteraEnergyResources0.00.0

us-gaap:PropertyPlantAndEquipmentNet us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value186681822418084125201258011893
Percentage of PropertyPlantAndEquipmentNet19.319.319.714.114.614.5
Percentage of Assets13.813.814.29.910.310.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary3756.13637.54275.20.00.06874.6

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

us-gaap:CorporateAndOther, us-gaap:CorporateNonSegment, us-gaap:CorporateAndOther


Property
Period End2020-12-312019-12-312018-12-31
Value82131233
Percentage of PropertyPlantAndEquipmentNet0.10.20.3
Percentage of Assets0.10.10.2
Percentage of Assets us-gaap:CorporateAndOther us-gaap:CorporateNonSegment us-gaap:CorporateAndOther2.24.23.5

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

us-gaap:OperatingSegments, nee:NexteraEnergyResources


Property
Period End2020-12-312019-12-312018-12-31
Value378423204228602
Percentage of PropertyPlantAndEquipmentNet41.239.140.7
Percentage of Assets29.627.227.6
Percentage of Assets us-gaap:OperatingSegments nee:NexteraEnergyResources68.062.265.7

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value4846485342544214421342014204412934963488891764779778147149151147117113
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.63.73.33.33.53.53.63.63.23.20.90.80.90.90.20.20.20.30.20.2

us-gaap:Goodwill dei:LegalEntity

nee:FloridaPowerLightCompany


Goodwilldei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value29892989301300300300300298302302302
Percentage of Goodwill61.761.67.17.17.17.17.17.28.68.733.9
Percentage of Assets2.22.30.20.20.20.20.30.30.30.30.3
Percentage of Assets nee:FloridaPowerLightCompany4.14.10.50.50.50.50.50.50.50.60.6

us-gaap:Goodwill dei:LegalEntity, us-gaap:BusinessAcquisition

nee:NextEraEnergyTransmissionLLCSubsidiary, nee:GridLiance


Goodwilldei:
Period End2021-06-302021-03-31
Value592599
Percentage of Goodwill12.212.3
Percentage of Assets0.40.5
Percentage of Assets nee:NextEraEnergyTransmissionLLCSubsidiary nee:GridLiance0.00.0

us-gaap:Goodwill dei:LegalEntity, us-gaap:StatementBusinessSegments

nee:FloridaPowerLightCompany, nee:FloridaCityGas


Goodwilldei:
Period End2020-12-312019-12-312018-12-31
Value292291293
Percentage of Goodwill6.96.932.9
Percentage of Assets0.20.20.3
Percentage of Assets nee:FloridaPowerLightCompany nee:FloridaCityGas0.00.00.0

nee:FloridaPowerLightCompany, nee:OtherGoodwillAssets


Goodwilldei:
Period End2020-12-312019-12-312018-12-31
Value9.09.011
Percentage of Goodwill0.20.21.2
Percentage of Assets0.00.00.0
Percentage of Assets nee:FloridaPowerLightCompany nee:OtherGoodwillAssets0.00.00.0

nee:GulfPower, nee:OtherGoodwillAssets


Goodwilldei:
Period End2020-12-312019-12-31
Value26882686
Percentage of Goodwill63.263.9
Percentage of Assets2.12.3
Percentage of Assets nee:GulfPower nee:OtherGoodwillAssets0.00.0

us-gaap:Goodwill us-gaap:BusinessAcquisition

nee:Fpl


Goodwillus-gaap:
Period End2021-01-01
Value2700
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets nee:Fpl40.3

nee:GulfPower


Goodwillus-gaap:
Period End2020-12-312019-12-312019-01-01
Value270027002600
Percentage of Goodwill63.564.20.0
Percentage of Assets2.12.30.0
Percentage of Assets nee:GulfPower0.00.00.0

nee:TransBayCableLLC


Goodwillus-gaap:
Period End2020-12-312019-12-312019-07-16
Value610610613
Percentage of Goodwill14.314.50.0
Percentage of Assets0.50.50.0
Percentage of Assets nee:TransBayCableLLC0.00.00.0

us-gaap:Goodwill us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

nee:Fpl, us-gaap:SubsequentEvent


Goodwillus-gaap:
Period End2021-01-01
Value2700
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets nee:Fpl us-gaap:SubsequentEvent0.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments

nee:CustomerSupply


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value93937272727272
Percentage of Goodwill2.22.28.19.49.29.349.0
Percentage of Assets0.10.10.10.10.10.10.1
Percentage of Assets nee:CustomerSupply0.00.00.00.00.00.00.0

nee:GasInfrastructure


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value4874874876416416350.0
Percentage of Goodwill11.411.654.783.982.381.60.0
Percentage of Assets0.40.40.50.70.70.80.0
Percentage of Assets nee:GasInfrastructure0.00.00.00.00.00.00.0

nee:GenerationAssetsUnitMember


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value60282840384347
Percentage of Goodwill1.40.73.15.24.95.532.0
Percentage of Assets0.00.00.00.00.00.10.1
Percentage of Assets nee:GenerationAssetsUnitMember0.00.00.00.00.00.00.0

nee:OtherGoodwillAssets


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1126860.011282828
Percentage of Goodwill0.363.90.01.43.63.619.0
Percentage of Assets0.02.30.00.00.00.00.0
Percentage of Assets nee:OtherGoodwillAssets0.00.00.00.00.00.00.0

nee:RateRegulatedTransmission


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-31
Value6146100.0
Percentage of Goodwill14.414.50.0
Percentage of Assets0.50.50.0
Percentage of Assets nee:RateRegulatedTransmission0.00.00.0

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill


Indefinite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value135135135138143143143143143143
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.20.20.20.20.20.3

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value5584175731149111010643629196258277253
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.61.21.21.30.50.10.10.50.50.5

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value191210-8270.0-7258.0-6206.0-5565.051604746
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.2-11.0-10.5-9.6-9.79.79.8

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2020-12-312019-12-312018-12-312017-12-31
Value535499133141
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0
Percentage of Assets0.40.40.10.1

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value40563842367235233569321033143220318730368412354831423170408137363740363233353279306932853239233322392224251119381919161214261502151415541629170217901867192018631324173117791625
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.02.92.92.82.92.72.82.82.92.88.13.63.33.44.23.94.04.03.73.73.63.93.92.92.93.03.42.72.72.32.12.22.32.42.52.73.03.23.43.32.43.33.43.4

us-gaap:OtherAssetsNoncurrent dei:LegalEntity

nee:FloridaPowerLightCompany


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value821779565546644489498466457546901855599614690302324207
Percentage of OtherAssetsNoncurrent20.220.315.415.518.015.215.014.514.318.010.724.119.119.416.98.18.76.2
Percentage of Assets0.60.60.40.40.50.40.40.40.40.50.90.90.60.70.70.30.30.2
Percentage of Assets nee:FloridaPowerLightCompany1.11.10.90.91.10.80.90.80.81.01.71.61.21.21.40.60.70.5

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1269521242041203022850128054270391661616239162471579020227151891472914702182541866617287169781567215500147511464714298134711254512399122801149311460108841074410295100229974978999191004110145982692168890880186618043
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets94.093.894.222.623.022.414.114.214.714.519.515.415.415.618.719.318.618.617.417.617.317.317.316.816.216.516.415.916.015.515.515.315.415.615.216.016.617.117.216.316.316.516.316.6

us-gaap:OtherAssets dei:LegalEntity

nee:FloridaPowerLightCompany


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value7043369174679899676963790279595
Percentage of OtherAssets55.555.756.533.934.433.457.7
Percentage of Assets52.252.253.27.77.97.58.2
Percentage of Assets nee:FloridaPowerLightCompany95.595.9110.416.016.215.516.8

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value486481474494497502499
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.40.40.40.40.4

us-gaap:ContractWithCustomerLiabilityCurrent dei:LegalEntity

nee:FloridaPowerLightCompany


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value473468430451455461459
Percentage of ContractWithCustomerLiabilityCurrent97.397.390.791.391.591.892.0
Percentage of Assets0.40.40.30.40.40.40.4
Percentage of Assets nee:FloridaPowerLightCompany0.60.60.70.70.80.80.8

nee:SubsidiaryOfNextEraEnergyResources


Contract
Period End2020-12-31
Value155
Percentage of ContractWithCustomerLiabilityCurrent32.7
Percentage of Assets0.1
Percentage of Assets nee:SubsidiaryOfNextEraEnergyResources0.0

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value168181578315558157121236513722138531331414412179261756312807101849579112321160489509761109191045611336105871010710371942193869663957296901029291899213886787768879787576438005671974196389673969046449
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.511.912.212.410.111.411.811.713.016.416.913.010.710.211.512.09.610.712.111.913.312.512.313.012.212.512.913.313.514.613.313.713.613.713.812.712.713.511.713.111.712.713.013.3

us-gaap:LiabilitiesCurrent dei:LegalEntity

nee:FloridaPowerLightCompany


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value428844764224339129382822422537443678312440763503384243305797557843643381
Percentage of LiabilitiesCurrent25.528.427.221.623.820.630.528.125.517.423.227.437.745.251.648.148.831.0
Percentage of Assets3.23.43.32.72.42.33.63.33.32.93.93.64.04.65.95.84.73.8
Percentage of Assets nee:FloridaPowerLightCompany5.86.26.95.65.04.87.46.76.75.87.66.67.48.511.511.29.17.4

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value45043837413850443068248921242888267326142716264916131168167622851762276626042364312521452220249727683457351533853285382237663933367726822771206217551458808597116815881920569
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.32.93.24.02.52.11.82.52.42.42.62.71.71.21.72.41.93.02.92.73.72.52.73.13.64.64.74.74.65.45.45.95.64.24.33.32.92.51.41.12.13.03.61.2

us-gaap:LongTermDebtCurrent dei:LegalEntity

nee:CapitalHoldings


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value35451704201964517246671787146915753501485200
Percentage of LongTermDebtCurrent85.780.274.338.566.230.050.839.056.843.377.335.1
Percentage of Assets2.81.41.90.71.90.82.42.12.40.62.80.4
Percentage of Assets nee:CapitalHoldings0.00.00.00.00.00.00.00.00.00.00.00.0

nee:FloridaPowerLightCompany


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value400354547979213027625695969293466463461367
Percentage of LongTermDebtCurrent8.99.21.31.62.60.81.40.92.32.13.53.65.78.027.820.326.214.1
Percentage of Assets0.30.30.00.10.10.00.00.00.10.10.10.10.10.10.50.50.50.4
Percentage of Assets nee:FloridaPowerLightCompany0.50.50.10.10.10.00.10.00.10.10.20.20.20.20.90.91.00.8

nee:GulfPower


Long
Period End2020-12-312019-12-312018-12-31
Value3001750.0
Percentage of LongTermDebtCurrent7.28.20.0
Percentage of Assets0.20.10.0
Percentage of Assets nee:GulfPower0.00.00.0

nee:NexteraEnergyResources


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value239215602565513148916681941743408390327
Percentage of LongTermDebtCurrent5.810.122.233.719.767.147.551.526.850.520.357.5
Percentage of Assets0.20.20.60.60.61.82.22.81.20.70.70.7
Percentage of Assets nee:NexteraEnergyResources0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebtCurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value282827272727
Percentage of LongTermDebtCurrent0.60.70.70.50.91.3
Percentage of Assets0.00.00.00.00.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary5.65.66.40.00.015.6

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value15961852225620731390142223091594114911951130110592795515482077855904122612301190943855827606523751705767871930771743849904831718684752740823810917713
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.41.81.61.11.22.01.41.01.11.11.11.01.01.62.10.91.01.41.41.41.11.01.00.80.71.01.01.11.21.31.11.11.31.41.31.21.21.31.31.51.51.71.5

us-gaap:OtherLiabilitiesCurrent dei:LegalEntity

nee:FloridaPowerLightCompany


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value5616786144853594225106363884305435024444909841576407497
Percentage of OtherLiabilitiesCurrent35.236.627.223.425.829.722.139.933.836.048.145.447.951.363.675.947.640.5
Percentage of Assets0.40.50.50.40.30.30.40.60.40.40.50.50.50.51.01.60.40.6
Percentage of Assets nee:FloridaPowerLightCompany0.80.91.00.80.60.70.91.10.70.81.00.90.91.02.03.20.91.1

Liabilities Noncurrent

us-gaap:LiabilitiesNoncurrent

us-gaap:LiabilitiesNoncurrent


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
Value7308170928671972564925064246862444824524236992330921476214102077820650256342751126672264362592524344232012262922579211622094420815207311862418422180551810816682162351599916315155741537915397147161424014027136311361612742
Percentage of LiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets54.153.652.620.320.620.520.821.521.421.420.721.721.821.926.228.428.729.028.827.727.226.727.426.527.127.827.725.825.725.726.124.824.925.125.325.125.526.025.725.225.725.625.726.3

us-gaap:LiabilitiesNoncurrent dei:LegalEntity

nee:FloridaPowerLightCompany


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value379653658133646176951736316854174341727917112170241670616771163971639516171169361616815835
Percentage of LiabilitiesNoncurrent51.951.650.169.069.368.371.370.572.273.077.878.378.979.463.161.660.661.1
Percentage of Assets28.127.626.414.014.214.014.815.115.515.616.117.017.217.416.517.517.417.6
Percentage of Assets nee:FloridaPowerLightCompany51.550.754.629.229.328.930.530.831.031.331.231.731.832.232.233.933.834.8

Long Term Debt

us-gaap:LongTermDebt dei:LegalEntity

us-gaap:LongTermDebt

nee:CapitalHoldings


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value241991919913013112561120610567105421123910817823779516711
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.016.312.511.512.512.814.116.216.814.415.013.8
Percentage of Assets nee:CapitalHoldings0.00.00.00.00.00.00.00.00.00.00.00.0

nee:FloridaPowerLightCompany


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1567614161117831170210072
Percentage of LongTermDebt64.873.890.5104.089.9
Percentage of Assets12.312.011.412.011.2
Percentage of Assets nee:FloridaPowerLightCompany25.424.822.023.322.1

nee:GulfPower


Long
Period End2020-12-312019-12-312018-12-31
Value156016850.0
Percentage of LongTermDebt6.48.80.0
Percentage of Assets1.21.40.0
Percentage of Assets nee:GulfPower0.00.00.0

nee:NexteraEnergyResources


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value4647462247021018191448314786776676349584852554322
Percentage of LongTermDebt19.224.136.190.481.678.774.668.258.771.066.164.4
Percentage of Assets3.63.94.510.410.210.110.511.19.910.29.98.9
Percentage of Assets nee:NexteraEnergyResources0.00.00.00.00.00.00.00.00.00.00.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4755946065419444279442667411163754336144339472988326782270482835628062314633034530392285392781828195270012779126681256042523524264243672485325049238242396923862235142286623177227142158020582208102003919235182881801316300
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets35.234.832.833.935.034.131.931.630.727.425.827.429.729.832.231.432.731.330.932.131.632.832.332.032.732.432.534.435.033.934.635.536.135.836.036.635.734.836.435.435.334.334.033.6

us-gaap:LongTermDebtNoncurrent dei:LegalEntity

nee:CapitalHoldings


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value2065417495109941061194829900875597709242788764666511
Percentage of LongTermDebtNoncurrent49.246.641.033.734.137.135.940.839.937.935.939.9
Percentage of Assets16.214.910.610.810.512.011.714.114.313.812.213.4
Percentage of Assets nee:CapitalHoldings0.00.00.00.00.00.00.00.00.00.00.00.0

nee:FloridaPowerLightCompany


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value18168170671562215730143401540114131141441335812323116881159512379118031123610055100889705
Percentage of LongTermDebtNoncurrent38.237.037.236.833.637.537.639.139.341.243.642.943.742.135.733.133.234.9
Percentage of Assets13.512.912.212.411.812.812.012.412.111.311.311.813.012.511.510.410.910.8
Percentage of Assets nee:FloridaPowerLightCompany24.623.725.426.024.226.424.725.224.222.721.921.924.023.222.420.121.121.3

nee:GulfPower


Long
Period End2020-12-312019-12-312018-12-31
Value126015100.0
Percentage of LongTermDebtNoncurrent3.04.00.0
Percentage of Assets1.01.30.0
Percentage of Assets nee:GulfPower0.00.00.0

nee:NexteraEnergyResources


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value440844074100961686316825619957265606544048653995
Percentage of LongTermDebtNoncurrent10.511.715.330.631.025.625.423.924.226.127.024.5
Percentage of Assets3.53.74.09.89.68.38.38.38.79.59.28.2
Percentage of Assets nee:NexteraEnergyResources0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebtNoncurrent us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value554544493478495498
Percentage of LongTermDebtNoncurrent1.21.21.21.11.21.3
Percentage of Assets0.40.40.40.40.40.4
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary111.5108.6116.50.00.0287.9

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value8119825680208237807080828361
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.06.26.36.56.66.77.1

us-gaap:DeferredIncomeTaxLiabilitiesNet dei:LegalEntity

nee:FloridaPowerLightCompany


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value6704665157905615558355345415
Percentage of DeferredIncomeTaxLiabilitiesNet82.680.672.268.269.268.564.8
Percentage of Assets5.05.04.54.44.64.64.6
Percentage of Assets nee:FloridaPowerLightCompany9.19.29.49.39.49.59.5

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value8182835284164775450144724355358235163614326930863151328712909239509729909627087185385082632292523340.00.0
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Assets6.16.36.63.83.73.73.73.13.23.33.23.13.33.51.31.01.01.11.11.10.80.80.70.60.30.30.30.50.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value25082541224222362011198718311881157115591449121412311260214621152110214120492115184719202005171016791649167716861434124212571323133113711454150314401441142414421520142014171412
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.91.91.81.81.61.61.61.61.41.41.41.21.31.32.22.22.32.32.32.42.22.32.42.12.22.22.22.32.01.81.82.02.02.12.32.42.42.42.52.52.82.72.72.9

us-gaap:OtherLiabilitiesNoncurrent dei:LegalEntity

nee:FloridaPowerLightCompany


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value538538399405400405455461465477508444450451477526524482
Percentage of OtherLiabilitiesNoncurrent21.521.217.818.119.920.424.824.529.630.635.136.636.635.822.224.924.823.5
Percentage of Assets0.40.40.30.30.30.30.40.40.40.40.50.50.50.50.50.50.60.5
Percentage of Assets nee:FloridaPowerLightCompany0.70.70.60.70.70.70.80.80.80.90.90.80.90.90.91.11.11.1

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312018-12-312017-12-31
Value541498141150
Percentage of OperatingLeaseLiability100.0100.0100.0100.0
Percentage of Assets0.40.40.10.2

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value36932373783651337287370733640337005365923491034226341443425233021327062820826398259262549724341239072317422912225742231821338202351991618810184291816018040160681494314461129671168110735
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets27.428.228.629.530.430.231.432.031.631.432.934.734.634.728.827.327.928.027.027.227.127.127.427.927.627.026.626.125.725.826.024.926.127.326.826.10.0

us-gaap:StockholdersEquity dei:LegalEntity

nee:FloridaPowerLightCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value23740213982101417040165801555313151
Percentage of StockholdersEquity65.057.861.560.468.168.966.0
Percentage of Assets18.618.220.317.418.418.917.6
Percentage of Assets nee:FloridaPowerLightCompany38.537.439.333.936.40.00.0

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

nee:FloridaPowerLightCompany, us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1275310851106018291833277336279
Percentage of StockholdersEquity34.929.331.029.434.234.331.5
Percentage of Assets10.09.210.28.59.39.48.4
Percentage of Assets nee:FloridaPowerLightCompany us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.0

nee:FloridaPowerLightCompany, us-gaap:RetainedEarnings


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value9614917490407376687564475499
Percentage of StockholdersEquity26.324.826.526.128.228.627.6
Percentage of Assets7.57.88.77.57.67.87.3
Percentage of Assets nee:FloridaPowerLightCompany us-gaap:RetainedEarnings0.00.00.00.00.00.00.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312009-12-31
Value4511445730449294206241574408754136040174384263784037413373383617235993294982732126876264692533124869238822363023112228262160120464201681914418429181601804016068149430.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets33.434.535.233.334.133.935.135.234.834.736.137.937.938.230.228.228.929.028.128.328.027.928.028.528.027.326.926.525.725.826.024.926.10.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest dei:LegalEntity

nee:FloridaPowerLightCompany


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value314883104023740236872468923240213982099821115218532101421109189931836717040173461718016580
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest69.867.952.856.359.456.951.752.354.957.856.256.552.551.057.863.563.965.5
Percentage of Assets23.323.418.618.720.219.318.218.419.120.020.321.419.919.517.417.918.518.4
Percentage of Assets nee:FloridaPowerLightCompany42.743.138.539.241.639.937.437.438.240.239.339.836.836.133.934.835.936.4

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

nee:FloridaPowerLightCompany, us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1927219271182361275212752120511085110852108511085210601
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest42.742.140.630.330.729.526.227.028.228.728.3
Percentage of Assets14.314.614.310.110.510.09.29.59.810.010.2
Percentage of Assets nee:FloridaPowerLightCompany us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.0

nee:FloridaPowerLightCompany, us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value10843103969619956210564981691748773889196289040
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest24.022.721.422.725.424.022.221.823.125.424.2
Percentage of Assets8.07.87.57.68.78.17.87.78.08.88.7
Percentage of Assets nee:FloridaPowerLightCompany us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value-73.0-74.0-75.0-113.0-111.0-114.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.2-0.2-0.2-0.3-0.3-0.3
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.1
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.0

us-gaap:AccumulatedForeignCurrencyAdjustmentAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302020-06-30
Value-13.0-3.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.0-0.0
Percentage of Assets-0.0-0.0
Percentage of Assets us-gaap:AccumulatedForeignCurrencyAdjustmentAttributableToNoncontrollingInterest0.00.0

us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value-39.0-47.0-49.0-73.0-90.0-42.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.1-0.1-0.1-0.2-0.2-0.1
Percentage of Assets-0.0-0.0-0.0-0.1-0.1-0.0
Percentage of Assets us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.0

us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value1210.08.01.0-2.0-27.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.0-0.0-0.1
Percentage of Assets0.00.00.00.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterest0.00.00.00.00.00.0

us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value119.020162.011
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-312009-12-31
Value-85.0-98.0-92.0-152.0-163.0-192.0-169.0-181.0-191.0-213.0-188.0-158.0-173.0-178.0111483.0-40.0-70.0-36.0-82.0-113.0-167.0-168.0-4.0-73.0-40.047592156-255.0-154.0-5.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.2-0.2-0.2-0.4-0.4-0.5-0.4-0.5-0.5-0.6-0.5-0.4-0.5-0.50.40.20.0-0.2-0.3-0.1-0.3-0.5-0.7-0.7-0.0-0.4-0.20.20.30.10.3-1.6-1.00.0
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.2-0.1-0.2-0.2-0.2-0.2-0.2-0.2-0.20.10.00.0-0.0-0.1-0.0-0.1-0.1-0.2-0.2-0.0-0.1-0.10.10.10.00.1-0.4-0.3-0.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherthanTemporaryImpairmentIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value4.04.04.03.03.03.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherthanTemporaryImpairmentIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-31
Value112241118311222113801172011668119701193310542105151049010470973696989100904690048951894890398703864585978500789072347193657365266474643755755270
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest24.924.525.027.128.228.528.929.727.427.828.028.026.926.930.833.133.533.835.336.336.436.637.237.236.535.335.734.335.435.635.734.735.3
Percentage of Assets8.38.48.89.09.69.710.210.49.59.610.110.610.210.39.39.39.79.89.910.310.210.210.410.610.29.79.69.19.19.29.38.79.2
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AociAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302020-06-30
Value-13.0-3.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.0-0.0
Percentage of Assets-0.0-0.0
Percentage of Assets us-gaap:AociAttributableToNoncontrollingInterest0.00.0

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value-85.0-98.0-92.0-166.0-198.0-169.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.2-0.2-0.2-0.4-0.5-0.4
Percentage of Assets-0.1-0.1-0.1-0.1-0.2-0.1
Percentage of Assets us-gaap:AociIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-31
Value2020205.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.04.04.04.04.04.04.04.04.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-31
Value8182835284164775450144724355358235163614326930863151328712909239509729909627087185385082632292523340.00.00.00.00.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest18.118.318.711.410.810.910.58.99.29.68.78.38.79.14.43.43.53.73.93.93.03.02.32.21.21.11.21.70.00.00.00.00.0
Percentage of Assets6.16.36.63.83.73.73.73.13.23.33.23.13.33.51.31.01.01.11.11.10.80.80.70.60.30.30.30.50.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-31
Value369323737836513372873707336403370053659234910342263414434252330213270628208263982592625497243412390723174229122257422318213382023519916188101842918160180401606814943
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest81.981.781.388.689.289.189.591.190.890.491.391.791.390.995.696.696.596.396.196.197.097.097.797.898.898.998.898.3100.0100.0100.0100.0100.0
Percentage of Assets27.428.228.629.530.430.231.432.031.631.432.934.734.634.728.827.327.928.027.027.227.127.127.427.927.627.026.626.125.725.826.024.926.1
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-12-31
Value25773262732536326054255112492225199248352455423919238372393523453231811899217299169141658115458148991454814375141401398713456130821277312204118601168411569107839876
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest57.157.556.561.961.461.060.961.863.963.263.764.164.864.464.463.362.962.661.059.960.960.861.261.362.363.963.363.764.464.364.167.166.1
Percentage of Assets19.119.819.920.620.920.721.421.722.221.923.024.324.624.619.417.918.218.217.217.017.017.017.117.517.417.517.016.916.616.616.716.717.3
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2020205.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.04.0
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

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value11224111831122211380117201166811970119331054210515104901047097369698910090469004895189489039870386458596849478817222717965556506645164115959559055575536549455305224521755585525548154185055
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.38.48.89.09.69.710.210.49.59.610.110.610.210.39.39.39.79.89.910.310.210.210.410.610.29.69.69.19.19.29.38.98.68.78.68.99.28.89.19.810.110.310.210.4

us-gaap:AdditionalPaidInCapitalCommonStock dei:LegalEntity

nee:FloridaPowerLightCompany


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value192721927112753127521275212051108511085210851108521060110603914191418291829182918332
Percentage of AdditionalPaidInCapitalCommonStock171.7172.3113.6112.1108.8103.390.790.9102.9103.2101.1101.393.994.391.191.792.193.1
Percentage of Assets14.314.610.010.110.510.09.29.59.810.010.210.89.69.78.58.68.99.3
Percentage of Assets nee:FloridaPowerLightCompany26.126.720.721.121.520.719.019.319.620.019.820.017.718.016.516.617.318.3

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2577326273253632605425511249222519924835245542391923837239352345323181189921729916914165811545814899145481437514140139871345613082127731220411860116841156911528111091077710783106071044410089987694399262891288737739
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.119.819.920.620.920.721.421.722.221.923.024.324.624.619.417.918.218.217.217.017.017.017.117.517.417.517.016.916.616.616.717.217.016.916.717.117.317.017.316.717.016.716.716.0

us-gaap:RetainedEarningsAccumulatedDeficit dei:LegalEntity

nee:FloridaPowerLightCompany


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value108431039696149562105649816917487738891962890409133847978537376768275166875
Percentage of RetainedEarningsAccumulatedDeficit42.139.637.936.741.439.436.435.336.240.337.938.236.233.938.844.444.444.5
Percentage of Assets8.07.87.57.68.78.17.87.78.08.88.79.38.98.37.57.98.17.6
Percentage of Assets nee:FloridaPowerLightCompany14.714.415.615.817.816.816.015.616.117.716.917.216.415.414.715.415.715.1

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-85.0-92.0-153.0-192.0-169.0-181.0-191.0-213.0-188.0-158.0-173.0-178.0111483.0-40.0-70.0-36.0-82.0-113.0-167.0-168.0-4.0-73.0-40.047592156-82.0-102.0-136.0-255.0-219.0-190.0-94.0-154.0-114.0115202166169
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.1-0.1-0.1-0.2-0.1-0.2-0.2-0.2-0.2-0.2-0.2-0.20.10.00.0-0.0-0.1-0.0-0.1-0.1-0.2-0.2-0.0-0.1-0.10.10.10.00.1-0.1-0.2-0.2-0.4-0.4-0.3-0.2-0.3-0.20.20.40.30.3

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

nee:AccumulatedIncomeLossRelatedToEquityMethodInvestee


Accumulated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value4.03.03.03.03.03.02.01.02.03.02.00.0-20.0-21.0-22.0-21.0-22.0-25.0-28.0-27.0-24.0-26.0-23.0-26.0-24.0-21.0-21.0-18.0-16.0-17.0-17.0-22.0-23.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-4.3-2.00.0-1.6-1.8-1.7-1.0-0.5-1.1-1.9-1.2-0.0-18.0-43.8-733.352.531.469.434.123.914.415.5575.035.660.0-44.7-35.6-85.7-28.620.716.716.29.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets nee:AccumulatedIncomeLossRelatedToEquityMethodInvestee0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Accumulated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value-75.0-112.0-113.0-111.0-114.0-120.0-119.0-118.0-65.0-52.0-51.0-50.0-39.0-77.0-76.0-86.0-83.0-69.0-69.0-69.0-62.0-36.0-36.0-36.0-20.028282823-67.0-67.0-67.0-74.0-46.0-1.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax81.573.20.057.867.566.362.355.434.632.929.528.1-35.1-160.4-2533.3215.0118.6191.784.161.137.121.4900.049.350.059.647.5133.341.181.765.749.329.029.9-0.6
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.00.00.00.00.0-0.1-0.1-0.1-0.1-0.1-0.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Accumulated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value8.03.01.0-2.0-27.0-32.0-38.0-46.0-55.0-60.0-67.0-74.0-77.0-85.0-96.0-101.0-100.0-117.0-134.0-146.0-170.0-212.0-128.0-189.0-156.0-123.0-135.0-124.0-115.0-135.0-126.0-180.0-266.0-204.024
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-8.7-2.00.01.016.017.719.921.629.338.038.741.6-69.4-177.1-3200.0252.5142.9325.0163.4129.2101.8126.23200.0258.9390.0-261.7-228.8-590.5-205.4164.6123.5132.4104.3132.514.5
Percentage of Assets0.00.00.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.2-0.2-0.2-0.3-0.2-0.3-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.3-0.4-0.40.0
Percentage of Assets us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Accumulated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value2018162.011129.03.0-7.0-7.0-5.0-2.031629326824322522219318117416421022021820222018519715112813096103133
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-21.7-11.80.0-1.0-6.5-6.6-4.7-1.43.74.42.91.1284.7610.48933.3-607.5-321.4-616.7-235.4-160.2-104.2-97.6-5250.0-301.4-545.0429.8372.9881.0351.8-184.1-125.5-95.6-37.6-66.980.1
Percentage of Assets0.00.00.00.00.00.00.00.0-0.0-0.0-0.0-0.00.30.30.30.30.30.30.20.20.20.20.30.30.30.30.30.30.30.20.20.20.10.20.3
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Accumulated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-92.0-96.0-166.0-198.0-169.0-198.0-191.0-213.0-188.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.062.70.0103.1100.0109.4100.0100.0100.0
Percentage of Assets-0.1-0.1-0.1-0.2-0.1-0.2-0.2-0.2-0.2
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Accumulated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value-49.0-65.0-73.0-84.0-42.0-44.0-45.0-53.0-63.0-42.0-52.0-52.0-69.0-62.0-71.0-75.0-90.0-47.0-44.0-52.0-85.0-58.0-27.0-42.0-58.0-39.0-33.0-50.0-33.0-14.0-20.03.0125.010.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax53.342.50.043.824.924.323.624.933.526.630.129.2-62.2-129.2-2366.7187.5128.6130.653.746.050.934.5675.057.5145.0-83.0-55.9-238.1-58.917.119.6-2.2-4.7-3.26.0
Percentage of Assets-0.0-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.1-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.1-0.1-0.1-0.0-0.1-0.0-0.0-0.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value8182835284164775450144724355358235163614326930863151328712909239509729909627087185385082632292523340.00.0
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Assets6.16.36.63.83.73.73.73.13.23.33.23.13.33.51.31.01.01.11.11.10.80.80.70.60.30.30.30.50.00.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-09-302020-06-302020-03-312019-09-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-41.00.0-51.014700.07009.09.09.06.04.05078.08.01366361313565131313
Percentage of StockIssuedDuringPeriodValueNewIssues100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stock
Period End2020-09-302020-06-302020-03-312019-09-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-41.00.0-51.014700.07009.09.09.06.04.05078.08.01466461514565141414
Percentage of StockIssuedDuringPeriodValueNewIssues100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0107.7100.2100.3107.7100.0107.7107.7107.7
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2203129213522839189818941912296216841597136822921643129012531995180113641042202417251545160315791753118115321520143110171712114011681082835122910938359571126100898310651021852896
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue56.134.730.859.345.141.141.753.233.939.231.251.940.433.431.241.540.934.328.242.145.240.339.431.940.228.832.832.735.527.747.225.930.533.024.732.029.824.824.825.725.431.431.221.823.724.7

us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity

nee:FloridaPowerLightCompany


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value14531274104318411286121194717781320113687616671291588441141512847695751467
Percentage of NetCashProvidedByUsedInOperatingActivities66.098.677.164.867.863.949.560.078.471.164.072.778.645.635.270.971.356.455.272.5
Percentage of RegulatedAndUnregulatedOperatingRevenue37.034.223.738.530.626.320.631.926.627.920.037.731.715.211.029.429.219.415.530.5
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:FloridaPowerLightCompany40.742.936.753.345.547.732.450.941.843.429.849.044.422.415.340.741.530.422.544.7

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-3741000000.0-4420000000.0-4493000000.0-3021000000.0-3050000000.0-3135000000.0-3714000000.0-3572000000.0-1946000000.0-6945000000.0-2389000000.0-3206000000.0-1688000000.0-3667000000.0-2083000000.0-1326000000.0-1775000000.0-3734000000.0-1127000000.0-1546000000.0-1756000000.0-3681000000.0-2528000000.0-1723000000.0-2190000000.0-1564000000.0-2283000000.0-973000000.0-1263000000.0-1842000000.0-1857000000.0-1481000000.0-1207000000.0-1578000000.0-2427000000.0-2480000000.0-2026000000.0-1995000000.0-857000000.0-2063000000.0-1282000000.0-1077000000.0-1728000000.0-1273000000.0-922000000.0-1361000000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue-95.3-118.6-102.2-63.1-72.5-68.0-81.0-64.1-39.2-170.4-54.4-72.6-41.5-94.9-51.9-27.6-40.3-94.0-30.5-32.2-46.0-96.0-62.1-34.8-50.3-38.1-48.9-20.9-31.3-50.1-51.2-33.7-31.5-48.1-71.9-64.5-55.2-59.2-22.2-47.1-32.4-34.4-50.6-27.1-25.7-37.6

us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity

nee:FloridaPowerLightCompany


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-1842000000.0-1575000000.0-2111000000.0-1313000000.0-1815000000.0-1458000000.0-2061000000.0-1362000000.0-1274000000.0-1173000000.0-1511000000.0-946000000.0-1321000000.0-1288000000.0-1539000000.0-1067000000.0-1036000000.0-1727000000.0-791000000.0-914000000.0
Percentage of NetCashProvidedByUsedInInvestingActivities49.235.647.043.559.546.555.538.165.516.963.229.578.335.173.980.558.446.370.259.1
Percentage of RegulatedAndUnregulatedOperatingRevenue-46.9-42.3-48.0-27.4-43.2-31.6-44.9-24.4-25.6-28.8-34.4-21.4-32.5-33.3-38.4-22.2-23.5-43.5-21.4-19.0
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:FloridaPowerLightCompany-51.6-53.0-74.3-38.0-64.2-57.4-70.5-39.0-40.3-44.8-51.5-27.8-45.4-49.2-53.5-30.7-33.5-68.3-30.9-27.8

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value806374322601191-1238.03961135047162514275559885-121.01311116970161678696-527.01332193315774519275843-684.0-34.087525488235382167512029531058-363.01290136217174214-316.01442
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue20.5100.551.424.9-29.485.929.48.512.635.0126.620.0-3.033.929.21.50.442.218.8-11.03.557.27.715.611.96.718.1-14.7-0.823.80.711.16.111.649.631.326.031.4-9.429.43.46.95.14.6-8.839.8

us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity

nee:FloridaPowerLightCompany


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value372279935-467.0-436.011851021-388.015-18.0684-628.00.06681144-373.0-222.0932248-521.0
Percentage of NetCashProvidedByUsedInFinancingActivities46.27.541.4-39.235.229.975.6-82.42.4-1.312.3-71.0-0.051.097.9-532.9-1387.555.535.698.9
Percentage of RegulatedAndUnregulatedOperatingRevenue9.57.521.3-9.8-10.425.722.3-7.00.3-0.415.6-14.20.017.328.5-7.8-5.023.56.7-10.8
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:FloridaPowerLightCompany10.49.432.9-13.5-15.446.734.9-11.10.5-0.723.3-18.50.025.539.8-10.7-7.236.99.7-15.9

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-732.0619-891.01001-2398.02726-450.0-145.0362-3912.04532-15.0-172.0-1075.0214826143-729.0
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue-18.616.6-20.320.9-57.059.1-9.8-2.67.3-96.0103.2-0.3-4.2-27.85.317.23.2-18.4

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect dei:LegalEntity

nee:FloridaPowerLightCompany


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-17.0-22.0-133.061-965.0938-93.02861-55.04993-30.0-32.054-18.011-26.0
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect2.3-3.614.96.140.234.420.7-19.316.91.41.1-620.017.43.025.2-2.27.73.6
Percentage of RegulatedAndUnregulatedOperatingRevenue-0.4-0.6-3.01.3-23.020.3-2.00.51.2-1.31.12.1-0.7-0.81.3-0.40.2-0.7
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:FloridaPowerLightCompany-0.5-0.7-4.71.8-34.236.9-3.20.81.9-2.11.72.7-1.0-1.21.9-0.50.4-1.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-103.0297-34.08947-180.013323-118.0220-92.01601241271-2191.0430321565464360192214314331255262489255271190542881723631651442391342791181479.01755610.0270
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxExpenseBenefit dei:LegalEntity

nee:FloridaPowerLightCompany


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value110175249-47.099212-4.0-22.0-133.0203-15.0-73.03.0265-82.058812427536376
Percentage of DeferredIncomeTaxExpenseBenefit-106.858.9-732.4-52.8210.6-117.8-3.0-95.7112.792.316.3-45.62.420.83.7136.738.648.778.221.1

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2203129213522839189818941912296216841597136822921643129012531995180113641042202417251545160315791753118115321520143110171712114011681082835122910938359571126100898310651021852896
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue56.134.730.859.345.141.141.753.233.939.231.251.940.433.431.241.540.934.328.242.145.240.339.431.940.228.832.832.735.527.747.225.930.533.024.732.029.824.824.825.725.431.431.221.823.724.7

us-gaap:NetCashProvidedByUsedInOperatingActivities dei:LegalEntity

nee:FloridaPowerLightCompany


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value14531274104318411286121194717781320113687616671291588441141512847695751467
Percentage of NetCashProvidedByUsedInOperatingActivities66.098.677.164.867.863.949.560.078.471.164.072.778.645.635.270.971.356.455.272.5
Percentage of RegulatedAndUnregulatedOperatingRevenue37.034.223.738.530.626.320.631.926.627.920.037.731.715.211.029.429.219.415.530.5
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:FloridaPowerLightCompany40.742.936.753.345.547.732.450.941.843.429.849.044.422.415.340.741.530.422.544.7

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value2561666-5.01229127542197587912346804221007795442821558477931583966753540636507879716650884660492430327698610272429415607461667407580268263720417556349533370364
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue6.544.7-0.125.730.39.121.315.824.816.79.622.819.5114.653.717.618.039.926.115.714.116.612.517.716.415.819.014.212.211.79.015.915.98.312.710.816.613.717.39.314.68.67.715.311.615.49.511.99.79.8

us-gaap:NetIncomeLoss dei:LegalEntity

nee:NextEraEnergyPartners


Net
Period End2021-03-312020-06-302020-03-312019-06-302019-03-31
Value20246-222.0-27.0-22.0
Percentage of NetIncomeLoss12.13.6-52.7-2.2-3.2
Percentage of RegulatedAndUnregulatedOperatingRevenue5.41.1-4.8-0.5-0.5
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:NextEraEnergyPartners82.118.2-104.7-12.3-12.4

us-gaap:NetIncomeLoss us-gaap:ConsolidationItems

nee:CorporateAndEliminations


Net
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-311.03985.0-10.0-579.0-247.0-135.0-246.0139-105.018
Percentage of NetIncomeLoss-121.523.90.4-0.8-137.5-28.1-10.9-36.213.8-13.20.4
Percentage of RegulatedAndUnregulatedOperatingRevenue-7.910.70.1-0.2-12.6-4.4-2.7-6.03.1-2.60.5
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:CorporateAndEliminations1413.6-1592.0-18.532.32067.9-1122.7-1500.04100.0-13900.010500.0-450.0

us-gaap:NetIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, nee:FPLSegment


Net
Period End2021-06-302020-06-302020-03-31
Value819749642
Percentage of NetIncomeLoss319.958.7152.5
Percentage of RegulatedAndUnregulatedOperatingRevenue20.917.813.9
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:FPLSegment25.426.525.3

us-gaap:OperatingSegments, nee:FloridaPowerLightCompany


Net
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value757749400683663588407654626484343566526445371515448
Percentage of NetIncomeLoss61.658.741.077.753.786.596.464.978.710.915.966.866.328.138.468.483.0
Percentage of RegulatedAndUnregulatedOperatingRevenue15.817.88.712.313.314.49.314.815.412.58.611.811.911.210.010.711.7
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:FloridaPowerLightCompany21.926.513.719.621.022.513.919.221.518.511.916.317.017.614.515.716.3

us-gaap:OperatingSegments, nee:GulfPowerSegment


Net
Period End2021-06-302020-09-302020-06-302019-12-312019-09-302019-06-302019-03-31
Value63915522764537
Percentage of NetIncomeLoss24.67.44.32.38.63.65.4
Percentage of RegulatedAndUnregulatedOperatingRevenue1.61.91.30.51.40.90.9
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:GulfPowerSegment18.022.516.56.217.312.311.3

us-gaap:OperatingSegments, nee:NEERSegment


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value-315.0491481318
Percentage of NetIncomeLoss-123.029.537.775.5
Percentage of RegulatedAndUnregulatedOperatingRevenue-8.013.211.46.9
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:NEERSegment-82.962.944.717.9

us-gaap:OperatingSegments, nee:NexteraEnergyResources


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-644.037648131847736766130125021427439261894292301476360307234
Percentage of NetIncomeLoss12880.030.637.775.548.941.853.644.359.221.334.588.787.934.538.030.137.340.843.3
Percentage of RegulatedAndUnregulatedOperatingRevenue-14.77.911.46.910.46.613.37.45.74.86.7101.647.26.16.812.09.76.46.1
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:NexteraEnergyResources-51.839.544.717.933.022.746.026.515.921.023.7316.40.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value721498-190.01123112930884479811396063149437013831206885680415911017789544637510881720650884664492-14.0327698610-34.0
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue1.840.2-4.323.526.96.718.414.322.914.97.221.317.299.251.617.818.340.127.516.414.316.612.517.816.515.819.014.312.2-0.49.015.915.9-1.0

us-gaap:ProfitLoss dei:LegalEntity

nee:FloridaPowerLightCompany


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value882777502757749642400683663588407654626484343
Percentage of ProfitLoss1225.051.9-264.267.466.3208.447.485.658.297.0129.669.489.312.616.6
Percentage of RegulatedAndUnregulatedOperatingRevenue22.520.911.415.817.813.98.712.313.314.49.314.815.412.58.6
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:FloridaPowerLightCompany24.726.217.721.926.525.313.719.621.022.513.919.221.518.511.9

nee:NextEraEnergyPartners


Profit
Period End2021-03-312020-06-302020-03-312019-06-302019-03-31
Value571127-720.0-123.0-121.0
Percentage of ProfitLoss38.111.2-233.8-10.8-20.0
Percentage of RegulatedAndUnregulatedOperatingRevenue15.33.0-15.6-2.5-3.0
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:NextEraEnergyPartners232.150.2-339.6-55.9-68.4

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

nee:FloridaPowerLightCompany, us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value882777757749642683663588
Percentage of ProfitLoss1225.051.967.466.3208.485.658.297.0
Percentage of RegulatedAndUnregulatedOperatingRevenue22.520.915.817.813.912.313.314.4
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:FloridaPowerLightCompany us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.0

us-gaap:ProfitLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, nee:FPLSegment


Profit
Period End2021-06-302021-03-312020-06-30
Value819720749
Percentage of ProfitLoss1137.548.166.3
Percentage of RegulatedAndUnregulatedOperatingRevenue20.919.317.8
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:FPLSegment25.427.426.5

us-gaap:OperatingSegments, nee:FloridaPowerLightCompany


Profit
Period End2020-12-312020-09-302020-06-302020-03-31
Value502757749642
Percentage of ProfitLoss-264.267.466.3208.4
Percentage of RegulatedAndUnregulatedOperatingRevenue11.415.817.813.9
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:FloridaPowerLightCompany17.721.926.525.3

us-gaap:OperatingSegments, nee:GulfPowerSegment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value63575391554022774437
Percentage of ProfitLoss87.53.8-27.98.14.913.02.69.63.96.1
Percentage of RegulatedAndUnregulatedOperatingRevenue1.61.51.21.91.30.90.51.40.90.9
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:OperatingSegments nee:GulfPowerSegment18.016.415.922.516.512.26.217.512.011.3

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value-184.0-168.0-105.0-144.0-112.0-81.0-95.0-74.0-108.0-64.0-94.0-597.0-87.010.0118.051374.01.03.02.00.0
Percentage of ProfitLoss-255.6-11.2-9.3-12.8-36.4-10.2-8.3-12.2-34.4-6.8-13.4-15.6-4.21.21.40.55.04.70.70.20.60.20.0
Percentage of RegulatedAndUnregulatedOperatingRevenue-4.7-4.5-2.2-3.4-2.4-1.5-1.9-1.8-2.5-1.4-2.3-15.5-2.20.20.20.21.40.80.10.00.10.00.0
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value25616661229127542187912346804091005781442821558477931583966753557636507879716650884660491430
Percentage of ProfitLoss355.6111.2109.4112.9136.7110.2108.3112.2130.3106.6111.4115.6104.298.998.699.595.095.4102.499.899.499.899.4100.0100.099.499.8-3071.4
Percentage of RegulatedAndUnregulatedOperatingRevenue6.544.725.730.39.115.824.816.79.322.719.2114.653.717.618.039.926.115.714.616.612.517.716.415.819.014.212.211.7
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value25616661229127542187912346804091005781442821558477931583966753557636507879716650884660491430
Percentage of ProfitLoss355.6111.2109.4112.9136.7110.2108.3112.2130.3106.6111.4115.6104.298.998.699.595.095.4102.499.899.499.899.4100.0100.099.499.8-3071.4
Percentage of RegulatedAndUnregulatedOperatingRevenue6.544.725.730.39.115.824.816.79.322.719.2114.653.717.618.039.926.115.714.616.612.517.716.415.819.014.212.211.7
Percentage of RegulatedAndUnregulatedOperatingRevenue us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-3741.0-4420.0-4493.0-3021.0-3050.0-3135.0-3714.0-3572.0-1946.0-6945.0-2389.0-3206.0-1688.0-3667.0-2083.0-1326.0-1775.0-3734.0-1127.0-1546.0-1756.0-3681.0-2528.0-1723.0-2190.0-1564.0-2283.0-973.0-1263.0-1842.0-1857.0-1481.0-1207.0-1578.0-2427.0-2480.0-2026.0-1995.0-857.0-2063.0-1282.0-1077.0-1728.0-1273.0-922.0-1361.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue-95.3-118.6-102.2-63.1-72.5-68.0-81.0-64.1-39.2-170.4-54.4-72.6-41.5-94.9-51.9-27.6-40.3-94.0-30.5-32.2-46.0-96.0-62.1-34.8-50.3-38.1-48.9-20.9-31.3-50.1-51.2-33.7-31.5-48.1-71.9-64.5-55.2-59.2-22.2-47.1-32.4-34.4-50.6-27.1-25.7-37.6

us-gaap:NetCashProvidedByUsedInInvestingActivities dei:LegalEntity

nee:FloridaPowerLightCompany


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-1842.0-1575.0-2111.0-1313.0-1815.0-1458.0-2061.0-1362.0-1274.0-1173.0-1511.0-946.0-1321.0-1288.0-1539.0-1067.0-1036.0-1727.0-791.0-914.0
Percentage of NetCashProvidedByUsedInInvestingActivities49.235.647.043.559.546.555.538.165.516.963.229.578.335.173.980.558.446.370.259.1
Percentage of RegulatedAndUnregulatedOperatingRevenue-46.9-42.3-48.0-27.4-43.2-31.6-44.9-24.4-25.6-28.8-34.4-21.4-32.5-33.3-38.4-22.2-23.5-43.5-21.4-19.0
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:FloridaPowerLightCompany-51.6-53.0-74.3-38.0-64.2-57.4-70.5-39.0-40.3-44.8-51.5-27.8-45.4-49.2-53.5-30.7-33.5-68.3-30.9-27.8

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value806374322601191-1238.03961135047162514275559885-121.01311116970161678696-527.01332193315774519275843-684.0-34.087525488235382167512029531058-363.01290136217174214-316.01442
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RegulatedAndUnregulatedOperatingRevenue20.5100.551.424.9-29.485.929.48.512.635.0126.620.0-3.033.929.21.50.442.218.8-11.03.557.27.715.611.96.718.1-14.7-0.823.80.711.16.111.649.631.326.031.4-9.429.43.46.95.14.6-8.839.8

us-gaap:NetCashProvidedByUsedInFinancingActivities dei:LegalEntity

nee:FloridaPowerLightCompany


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value372279935-467.0-436.011851021-388.015-18.0684-628.00.06681144-373.0-222.0932248-521.0
Percentage of NetCashProvidedByUsedInFinancingActivities46.27.541.4-39.235.229.975.6-82.42.4-1.312.3-71.0-0.051.097.9-532.9-1387.555.535.698.9
Percentage of RegulatedAndUnregulatedOperatingRevenue9.57.521.3-9.8-10.425.722.3-7.00.3-0.415.6-14.20.017.328.5-7.8-5.023.56.7-10.8
Percentage of RegulatedAndUnregulatedOperatingRevenue nee:FloridaPowerLightCompany10.49.432.9-13.5-15.446.734.9-11.10.5-0.723.3-18.50.025.539.8-10.7-7.236.99.7-15.9

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:ProceedsFromIssuanceOfLongTermDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value27434616506342841164354299633694786276837111531071180431582425208268910132135125912502310175615121948101515207465571879122396232404189617645661023146412522017061433785800
Percentage of ProceedsFromIssuanceOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfLongTermDebt dei:LegalEntity

nee:FloridaPowerLightCompany


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value12041840.01395-1.015580.080010556431540.0594100017610.00.0200159150
Percentage of ProceedsFromIssuanceOfLongTermDebt43.94.00.040.7-0.035.80.023.722.023.241.50.055.555.455.80.00.029.015.77.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5914322413135820203121931168517101665091379272942288820071337548656165862936787516941233170106214131558717727244502923291675512134433697739252198302167102
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfLongTermDebt dei:LegalEntity

nee:FloridaPowerLightCompany


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1360.0100728410.03610.0391178211787809380.0350.0229
Percentage of RepaymentsOfLongTermDebt5.60.049.991.00.52.10.623.52.256.74.083.528.01.90.06.40.013.8

Payments Of Dividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value756755686686686685611600599598531523524523463462460460407402402401354348342341316315315315286279278279252252252248231230230229207206206204
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividends dei:LegalEntity

nee:FloridaPowerLightCompany


Payments
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value45017600.08005000.00.00.06504000.04000.0400
Percentage of PaymentsOfDividends65.6256.60.0133.394.20.00.00.0140.486.60.087.00.099.5

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

nee:FloridaPowerLightCompany, us-gaap:RetainedEarnings


Payments
Period End2021-06-30
Value-435.0
Percentage of PaymentsOfDividends-57.5

Debt Instrument Interest Rate Stated Percentage

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

us-gaap:DebtInstrumentInterestRateStatedPercentage

nee:NextEraEnergyCapitalHoldingsInc., nee:Debentures


Debt
Period End2021-03-31
Value0.65
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations nee:NextEraEnergyCapitalHoldingsInc. nee:Debentures0.0

us-gaap:DebtInstrumentInterestRateStatedPercentage nee:EquityUnits

nee:NEEEquityUnitsSeptember2019


Debt
Period End2020-12-31
Value2.1
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations nee:NEEEquityUnitsSeptember20190.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value205.914.3-1.210.30.141-3.2190.0260.0680.0980.11-0.0160.120.250.25-0.430.30.260.30.0050.350.290.290.0080.320.280.310.0130.30.370.26-0.0120.30.260.67-0.0040.270.290.250.0360.280.2-0.14-0.0260.250.160.28
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectiveIncomeTaxRateContinuingOperations dei:LegalEntity

nee:FloridaPowerLightCompany


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value20.521.20.218.20.1940.176-15.44118.10.0710.209
Percentage of EffectiveIncomeTaxRateContinuingOperations10.0148.3-16.7176.7137.6-5.5-59388.526617.672.4190.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value38.32123.0996.3383.4571.0863.3959.04
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value78298151713253371064095341389713128117441029596498392
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilities dei:LegalEntity

nee:FloridaPowerLightCompany


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value57905415516550058541
Percentage of DeferredTaxLiabilities74.066.472.493.880.3

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value664160365987585956175471562758705538473044893646
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsNet dei:LegalEntity

nee:FloridaPowerLightCompany


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value20702038209619661639
Percentage of DeferredTaxAssetsNet31.233.835.033.629.2

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value289285273252269223323325192228246129
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:BadDebtExpense

nee:BadDebtExpense


Bad
Period End2021-03-312020-03-31
Value15211
Percentage of BadDebtExpense100.0100.0

nee:BasisPointIncentive dei:LegalEntity, us-gaap:StatementScenario

nee:BasisPointIncentive

nee:FloridaPowerLightCompany, srt:ScenarioForecast


Basis
Period End2022-01-31
Value50.0
Percentage of BasisPointIncentive100.0

nee:CapitalExpendituresOfFPLSegment

nee:CapitalExpendituresOfFPLSegment


Capital
Period End2021-06-302021-03-312020-06-302020-03-31
Value4296-1350.04492-1394.0
Percentage of CapitalExpendituresOfFPLSegment100.0100.0100.0100.0

nee:CapitalExpendituresOfGulfPowerSegment

nee:CapitalExpendituresOfGulfPowerSegment


Capital
Period End2021-06-302021-03-312020-06-302020-03-31
Value493-170.0848-340.0
Percentage of CapitalExpendituresOfGulfPowerSegment100.0100.0100.0100.0

nee:CapitalExpendituresOfPublicUtilitiesFPLConsolidated dei:LegalEntity

nee:CapitalExpendituresOfPublicUtilitiesFPLConsolidated

nee:FloridaPowerLightCompany


Capital
Period End2021-06-302021-03-312020-06-302020-03-31
Value1749152018621728
Percentage of CapitalExpendituresOfPublicUtilitiesFPLConsolidated100.0100.0100.0100.0

nee:CapitalExpendituresOfPublicUtility

nee:CapitalExpendituresOfPublicUtility


Capital
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value20981281170413941957130111981104151910791248116614981028961168780084799611339888918287218326675699995986286558101009915106210841009657813658561582668794
Percentage of CapitalExpendituresOfPublicUtility100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:CapitalExpendituresOfPublicUtility dei:LegalEntity

nee:FloridaPowerLightCompany


Capital
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value209812811704139419571301119811041519107912481166149810289611687800847
Percentage of CapitalExpendituresOfPublicUtility100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:ComprehensiveIncomeLossNetofTaxandDeconsolidationIncludingPortionAttributabletoNoncontrollingInterest

nee:ComprehensiveIncomeLossNetofTaxandDeconsolidationIncludingPortionAttributabletoNoncontrollingInterest


Comprehensive
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
Value88149611361161279808116158295870638709018481632
Percentage of ComprehensiveIncomeLossNetofTaxandDeconsolidationIncludingPortionAttributabletoNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:CostRecoveryClausesAndFranchiseFees

nee:CostRecoveryClausesAndFranchiseFees


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.08687-137.016110.0-62.0-196.06241146302.047-21.0-51.06.0-16.01726-13.0-124.0-62.0-56.08.0-66.0-26.0-47.0144-4.0-40.031-138.0-19.014422548110103-93.06150-79.0-208.0-392.0
Percentage of CostRecoveryClausesAndFranchiseFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:CostRecoveryClausesAndFranchiseFees dei:LegalEntity

nee:FloridaPowerLightCompany


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value2.08682-105.01350.0-73.0-176.04527146302.047-21.0-51.06.0-16.01726
Percentage of CostRecoveryClausesAndFranchiseFees100.0100.094.376.683.90.0117.789.872.665.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:DecreaseInJointVentureInvestmentsAcquisition

nee:DecreaseInJointVentureInvestmentsAcquisition


Decrease
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.00.01450.00.0
Percentage of DecreaseInJointVentureInvestmentsAcquisition0.00.00.0100.00.00.0

nee:DepreciationAndAmortizationExcludingNuclearFuel

nee:DepreciationAndAmortizationExcludingNuclearFuel


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value98174994412799818489691295118177210921131831857-219.01070886619815983742537749798737547692782614463640605500419397467335320331496408331477531386414
Percentage of DepreciationAndAmortizationExcludingNuclearFuel100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:DepreciationAndAmortizationExcludingNuclearFuel dei:LegalEntity

nee:FloridaPowerLightCompany


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value571339471823550402519853776375773804511545-581.0704537273444587400
Percentage of DepreciationAndAmortizationExcludingNuclearFuel58.245.349.964.356.147.453.665.965.748.670.871.161.563.6265.365.860.644.154.559.753.9

nee:DisposalGroupNotDiscontinuedOperationImpactonDisposal

nee:DisposalGroupNotDiscontinuedOperationImpactonDisposal


Disposal
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value00010000000.000
Percentage of DisposalGroupNotDiscontinuedOperationImpactonDisposal0.00.00.0100.00.00.0

nee:DisposalGroupNotDiscontinuedOperationImpactonDisposaltax

nee:DisposalGroupNotDiscontinuedOperationImpactonDisposaltax


Disposal
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.00.0190.00.00.0
Percentage of DisposalGroupNotDiscontinuedOperationImpactonDisposaltax0.00.0100.00.00.00.0

nee:EffectiveIncomeTaxRateReconciliationProductionAndInvestmentTaxCredits

nee:EffectiveIncomeTaxRateReconciliationProductionAndInvestmentTaxCredits


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-169.45.03.17.40.0570.865-0.0070.1150.0520.0830.0060.0520.059
Percentage of EffectiveIncomeTaxRateReconciliationProductionAndInvestmentTaxCredits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:ElectricityTransmissionLine us-gaap:ConsolidatedEntities

nee:ElectricityTransmissionLine

us-gaap:VariableInterestEntityPrimaryBeneficiary


Electricity
Period End2021-06-302021-03-31
Value0280.0
Percentage of ElectricityTransmissionLine0.0100.0

nee:EligibleStormRecoveryCosts dei:LegalEntity

nee:EligibleStormRecoveryCosts

nee:GulfPower


Eligible
Period End2020-09-30
Value200
Percentage of EligibleStormRecoveryCosts100.0

nee:EligibleStormRecoveryCosts dei:LegalEntity, us-gaap:PublicUtility

nee:GulfPower, nee:HurricaneSally


Eligible
Period End2020-09-30
Value206
Percentage of EligibleStormRecoveryCosts103.0

nee:EligibleStormRecoveryCosts us-gaap:PublicUtility, us-gaap:StatementBusinessSegments

nee:HurricaneSally, nee:GulfPowerSegment


Eligible
Period End2021-06-302021-03-31
Value185187
Percentage of EligibleStormRecoveryCosts0.00.0

nee:FairValueInputsExpectedRates nee:FairValueInputsTransactionType, nee:SignificantUnobservableInputs, us-gaap:Range, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:ValuationTechnique

nee:FairValueInputsExpectedRates

nee:FullRequirementsAndUnitContingentContracts, nee:CustomerMigrationRate, srt:Maximum, nee:FullRequirementsAndUnitContingentContracts, us-gaap:FairValueInputsLevel3, nee:DiscountedCashFlowValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-35.049.00120.781.090.13-0.06000.20
Percentage of FairValueInputsExpectedRates100.0100.00.0100.0100.0100.0100.00.00.0100.00.0

nee:FullRequirementsAndUnitContingentContracts, nee:CustomerMigrationRate, srt:WeightedAverage, nee:FullRequirementsAndUnitContingentContracts, us-gaap:FairValueInputsLevel3, nee:DiscountedCashFlowValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value01.001.980.020
Percentage of FairValueInputsExpectedRates-0.02.00.01.61.80.0

nee:OptionContractsGas, nee:ImpliedCorrelations, srt:Maximum, nee:OptionContractsPrimarilyGas, us-gaap:FairValueInputsLevel3, nee:OptionsModelsValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-1.085.0-4.099.001.0-0.12001.00
Percentage of FairValueInputsExpectedRates2.9173.50.082.00.0769.2200.00.00.0500.00.0

nee:OptionContractsGas, nee:ImpliedCorrelations, srt:Minimum, nee:OptionContractsPrimarilyGas, us-gaap:FairValueInputsLevel3, nee:OptionsModelsValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value039.0039.60.090.310000.010
Percentage of FairValueInputsExpectedRates-0.079.60.032.88.3238.5-0.00.00.05.00.0

nee:OptionContractsGas, nee:ImpliedCorrelations, srt:WeightedAverage, nee:OptionContractsPrimarilyGas, us-gaap:FairValueInputsLevel3, nee:OptionsModelsValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-1.054.0-2.056.410.060.53
Percentage of FairValueInputsExpectedRates2.9110.20.046.75.5407.7

nee:OptionContractsGas, nee:ImpliedVolatilities, srt:Maximum, nee:OptionContractsPrimarilyGas, us-gaap:FairValueInputsLevel3, nee:OptionsModelsValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value67.0115.040.0268.65-1.432.780.66-0.460.631.351.73
Percentage of FairValueInputsExpectedRates-191.4234.70.0222.4-131.22138.5-1100.00.00.0675.00.0

nee:OptionContractsGas, nee:ImpliedVolatilities, srt:Minimum, nee:OptionContractsPrimarilyGas, us-gaap:FairValueInputsLevel3, nee:OptionsModelsValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value016.0015.840.020.140000.010
Percentage of FairValueInputsExpectedRates-0.032.70.013.11.8107.7-0.00.00.05.00.0

nee:OptionContractsGas, nee:ImpliedVolatilities, srt:WeightedAverage, nee:OptionContractsPrimarilyGas, us-gaap:FairValueInputsLevel3, nee:OptionsModelsValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value3.029.0-6.041.620.020.36
Percentage of FairValueInputsExpectedRates-8.659.20.034.51.8276.9

nee:OptionContractsPower, nee:ImpliedCorrelations, srt:Maximum, nee:OptionContractsPower, us-gaap:FairValueInputsLevel3, nee:OptionsModelsValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-1.085.0-1.084.150.010.84-0.12001.00
Percentage of FairValueInputsExpectedRates2.9173.50.069.70.9646.2200.00.00.0500.00.0

nee:OptionContractsPower, nee:ImpliedCorrelations, srt:Minimum, nee:OptionContractsPower, us-gaap:FairValueInputsLevel3, nee:OptionsModelsValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value039.0039.60.090.310000.010
Percentage of FairValueInputsExpectedRates-0.079.60.032.88.3238.5-0.00.00.05.00.0

nee:OptionContractsPower, nee:ImpliedCorrelations, srt:WeightedAverage, nee:OptionContractsPower, us-gaap:FairValueInputsLevel3, nee:OptionsModelsValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-1.054.0054.450.050.5
Percentage of FairValueInputsExpectedRates2.9110.20.045.14.6384.6

nee:OptionContractsPower, nee:ImpliedVolatilities, srt:Maximum, nee:OptionContractsPower, us-gaap:FairValueInputsLevel3, nee:OptionsModelsValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value260.0236.0205.0146.92.152.952.89-2.853.291.692.33
Percentage of FairValueInputsExpectedRates-742.9481.60.0121.6197.22269.2-4816.70.00.0845.00.0

nee:OptionContractsPower, nee:ImpliedVolatilities, srt:Minimum, nee:OptionContractsPower, us-gaap:FairValueInputsLevel3, nee:OptionsModelsValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-1.07.004.830.040.130.01-0.01-0.020.080.01
Percentage of FairValueInputsExpectedRates2.914.30.04.03.7100.0-16.70.00.040.00.0

nee:OptionContractsPower, nee:ImpliedVolatilities, srt:WeightedAverage, nee:OptionContractsPower, us-gaap:FairValueInputsLevel3, nee:OptionsModelsValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value37.059.036.047.380.170.45
Percentage of FairValueInputsExpectedRates-105.7120.40.039.215.6346.2

nee:FairValueInputsOfferedQuotesPricePerEnergyUnit nee:FairValueInputsTransactionType, nee:SignificantUnobservableInputs, us-gaap:Range, us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:ValuationTechnique

nee:FairValueInputsOfferedQuotesPricePerEnergyUnit

nee:ForwardContractsPower, nee:ForwardPrice, srt:Maximum, nee:ForwardContractsPower, us-gaap:FairValueInputsLevel3, nee:DiscountedCashFlowValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value40.0133.0-20.0-58.021.0194.077.0-60.074.0167.019.0
Percentage of FairValueInputsOfferedQuotesPricePerEnergyUnit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:ForwardContractsPower, nee:ForwardPrice, srt:Minimum, nee:ForwardContractsPower, us-gaap:FairValueInputsLevel3, nee:DiscountedCashFlowValuationTechnique


Fair
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2.01.0002.01.06.0-4.0-17.0-3.0
Percentage of FairValueInputsOfferedQuotesPricePerEnergyUnit5.00.8-0.00.01.01.3-10.0-5.4-10.2-15.8

nee:ForwardContractsPower, nee:ForwardPrice, srt:WeightedAverage, nee:ForwardContractsPower, us-gaap:FairValueInputsLevel3, nee:DiscountedCashFlowValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value3.030.01.002.026.0
Percentage of FairValueInputsOfferedQuotesPricePerEnergyUnit7.522.6-5.0-0.09.513.4

nee:ForwardcontractsCongestion, nee:ForwardPrice, srt:Maximum, nee:ForwardcontractsCongestion, us-gaap:FairValueInputsLevel3, nee:DiscountedCashFlowValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-1.075.0-3.03.0-2.032.0
Percentage of FairValueInputsOfferedQuotesPricePerEnergyUnit-2.556.415.0-5.2-9.516.5

nee:ForwardcontractsCongestion, nee:ForwardPrice, srt:Minimum, nee:ForwardcontractsCongestion, us-gaap:FairValueInputsLevel3, nee:DiscountedCashFlowValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-4.0-8.0-1.01.07.0-13.0
Percentage of FairValueInputsOfferedQuotesPricePerEnergyUnit-10.0-6.05.0-1.733.3-6.7

nee:ForwardcontractsGas, nee:ForwardPrice, srt:Maximum, nee:ForwardcontractsGas, us-gaap:FairValueInputsLevel3, nee:DiscountedCashFlowValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3.08.002.006.0-1.0007.01.0
Percentage of FairValueInputsOfferedQuotesPricePerEnergyUnit7.56.0-0.0-3.40.03.1-1.3-0.00.04.25.3

nee:ForwardcontractsGas, nee:ForwardPrice, srt:Minimum, nee:ForwardcontractsGas, us-gaap:FairValueInputsLevel3, nee:DiscountedCashFlowValuationTechnique


Fair
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value01.001.01.0001.0-1.0
Percentage of FairValueInputsOfferedQuotesPricePerEnergyUnit0.00.80.00.51.3-0.00.00.6-5.3

nee:ForwardcontractsGas, nee:ForwardPrice, srt:WeightedAverage, nee:ForwardcontractsGas, us-gaap:FairValueInputsLevel3, nee:DiscountedCashFlowValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value03.001.002.0
Percentage of FairValueInputsOfferedQuotesPricePerEnergyUnit0.02.3-0.0-1.70.01.0

nee:FullRequirementsAndUnitContingentContracts, nee:ForwardPrice, srt:Maximum, nee:FullRequirementsAndUnitContingentContracts, us-gaap:FairValueInputsLevel3, nee:DiscountedCashFlowValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value90.0318.0-52.0-408.042.0748.0302.0238.0-453.0862.0240.0
Percentage of FairValueInputsOfferedQuotesPricePerEnergyUnit225.0239.1260.0703.4200.0385.6392.2-396.7-612.2516.21263.2

nee:FullRequirementsAndUnitContingentContracts, nee:ForwardPrice, srt:Minimum, nee:FullRequirementsAndUnitContingentContracts, us-gaap:FairValueInputsLevel3, nee:DiscountedCashFlowValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-3.05.0-1.0006.0-2.032.00-50.0-70.0
Percentage of FairValueInputsOfferedQuotesPricePerEnergyUnit-7.53.85.0-0.00.03.1-2.6-53.30.0-29.9-368.4

nee:FullRequirementsAndUnitContingentContracts, nee:ForwardPrice, srt:WeightedAverage, nee:FullRequirementsAndUnitContingentContracts, us-gaap:FairValueInputsLevel3, nee:DiscountedCashFlowValuationTechnique


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value8.050.0-2.01.01.046.0
Percentage of FairValueInputsOfferedQuotesPricePerEnergyUnit20.037.610.0-1.74.823.7

nee:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInRegulatoryAssetsAndLiabilities dei:LegalEntity, nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType

nee:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInRegulatoryAssetsAndLiabilities

nee:FloridaPowerLightCompany, nee:DerivativeFinancialInstrumentsNet


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3000000.0-2000000.05000000.0-1000000.00-2000000.002000000.01000000.0-2000000.0-17000000.0-1000000.02000000.0-2000000.02000000.00
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInRegulatoryAssetsAndLiabilities100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0

nee:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInRegulatoryAssetsAndLiabilities nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType

nee:DerivativeFinancialInstrumentsNet


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value3000000.0-2000000.05000000.0-1000000.00-2000000.002000000.01000000.0-2000000.0-17000000.0-1000000.02000000.0-1000000.02000000.001000000.04000000.002000000.0-3000000.01000000.0-2000000.01000000.02000000.04000000.01000000.002000000.00-1000000.03000000.0-1000000.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInRegulatoryAssetsAndLiabilities100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.050.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

nee:FairValueNetAssetsLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInEarnings nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType

nee:FairValueNetAssetsLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInEarnings

nee:DerivativeFinancialInstrumentsNet


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-511.0-125.0238-46.0-31.030813553487116168-115.05719-184.0213
Percentage of FairValueNetAssetsLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:FairValueNetAssetsLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInOperatingRevenues nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType

nee:FairValueNetAssetsLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInOperatingRevenues

nee:DerivativeFinancialInstrumentsNet


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-511.0-125.0227-46.0-30.031914561482130165-118.06429-181.0219
Percentage of FairValueNetAssetsLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInOperatingRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:FairValueNetAssetsLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInOperatingRevenues nee:FairValueNetAssetsAndLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByNetAssetLiabilityType

nee:FairValueNetAssetsLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInOperatingRevenues

nee:DerivativeFinancialInstrumentsNet


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-527.0-130.0255-55.0-36.0405276-23.0509194111-134.04426-140.0164
Percentage of FairValueNetAssetsLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInOperatingRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:FuelPurchasedPowerAndInterchangeExpense

nee:FuelPurchasedPowerAndInterchangeExpense


Fuel
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value110390687611117318211055126610749679361083894819978117610188999371217960928117614721316136312651566137313971192143812621065117815261236118213841911155714041447199114551349
Percentage of FuelPurchasedPowerAndInterchangeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:FuelPurchasedPowerAndInterchangeExpense dei:LegalEntity

nee:FloridaPowerLightCompany


Fuel
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value96377268083951158677894380672983294176571284610368937687411045811
Percentage of FuelPurchasedPowerAndInterchangeExpense87.385.277.675.569.971.473.774.575.075.488.986.985.686.986.588.187.785.479.185.984.5

nee:GainLossesOnCommodityContractsNotDesignatedAsHedgesRecordedAsRegulatoryAssetsLiabilities dei:LegalEntity

nee:GainLossesOnCommodityContractsNotDesignatedAsHedgesRecordedAsRegulatoryAssetsLiabilities

nee:FloridaPowerLightCompany


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value11-7.09.0-1.01.0-3.01.04.01.02.0-35.0-1.0-1.04.0-5.0-12.0-47.0-104.0168-35.0178
Percentage of GainLossesOnCommodityContractsNotDesignatedAsHedgesRecordedAsRegulatoryAssetsLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:HighCommonStockSalesPrice

nee:HighCommonStockSalesPrice


High
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value83.3474.8265.5670.84245.01233.45208.91195.55184.2175.65169.53164.41159.4151.6144.87133.28128.46131.98130.43119.37105.85109.98106.63112.64110.84102.46102.5196.1389.7588.3982.6577.7972.2172.2268.9661.2161.258.2558.9855.8656.2655.9853.553.7556.5760.6159.053.99
Percentage of HighCommonStockSalesPrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:IncreaseInBaseRateRevenues dei:LegalEntity, us-gaap:StatementScenario

nee:IncreaseInBaseRateRevenues

nee:FloridaPowerLightCompany, srt:ScenarioForecast


Increase
Period End2023-01-012022-01-31
Value6151100
Percentage of IncreaseInBaseRateRevenues100.0100.0

nee:IncreaseInPropertyPlantAndEquipmentAcquisition

nee:IncreaseInPropertyPlantAndEquipmentAcquisition


Increase
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value-285.00.00.03530.00.0
Percentage of IncreaseInPropertyPlantAndEquipmentAcquisition100.00.00.0100.00.00.0

nee:IndependentPowerInvestments

nee:IndependentPowerInvestments


Independent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value18742999294313761040149225051371136611432169160592023006175727693337786891110526141812748129664910431035684752121073453897215661569716740947580441633-4736.0669601567
Percentage of IndependentPowerInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:InterestExpenseAggregateExpenses

nee:InterestExpenseAggregateExpenses


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
Value757-421.01112083201311188746601714711167394226387381430360-387.0369602509299311280321321316305319296288266272243259270265260265256254247247247238
Percentage of InterestExpenseAggregateExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:InterestExpenseAggregateExpenses dei:LegalEntity

nee:FloridaPowerLightCompany


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value154155150147151152152152152139130136141134122121121119114114117
Percentage of InterestExpenseAggregateExpenses20.3-36.8135.170.747.211.680.920.425.319.518.381.435.859.331.531.828.133.1-29.530.919.4

nee:InterestIncome

nee:InterestIncome


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
Value7.0197.07.0111313161312121110.0182220191921232018212222212018212220201919242022202121162122222818
Percentage of InterestIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:LowCommonStockSalesPrice

nee:LowCommonStockSalesPrice


Low
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value69.6359.5853.2643.7220.66201.06187.3168.66164.78163.52155.06145.1145.62138.0127.09117.33110.49120.22112.44102.295.8493.7497.2397.4890.3391.7993.2883.9778.9778.8174.7869.8166.0565.9561.258.5751.3349.054.1651.5450.048.4447.9645.2948.5553.1349.741.48
Percentage of LowCommonStockSalesPrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:Marketablesecuritiesunrealizedgainlossrecognizedduringtheperiodonsecuritiesstillheld dei:LegalEntity, us-gaap:InvestmentType

nee:Marketablesecuritiesunrealizedgainlossrecognizedduringtheperiodonsecuritiesstillheld

nee:FloridaPowerLightCompany, us-gaap:EquitySecurities


Marketablesecuritiesunrealizedgainlossrecognizedduringtheperiodonsecuritiesstillhelddei:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value233161394129395-502.01831877234-298.013060
Percentage of Marketablesecuritiesunrealizedgainlossrecognizedduringtheperiodonsecuritiesstillheld100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:Marketablesecuritiesunrealizedgainlossrecognizedduringtheperiodonsecuritiesstillheld us-gaap:InvestmentType

us-gaap:EquitySecurities


Marketablesecuritiesunrealizedgainlossrecognizedduringtheperiodonsecuritiesstillheldus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value354247562223602-808.028021116367-485.019278-20.0
Percentage of Marketablesecuritiesunrealizedgainlossrecognizedduringtheperiodonsecuritiesstillheld151.9153.4142.6172.9152.4161.0153.0116.7150.6156.8162.8147.7130.00.0

nee:NaturalGasAndOrOilElectricGeneratingFacilityCapacity dei:LegalEntity, us-gaap:ConsolidatedEntities

nee:NaturalGasAndOrOilElectricGeneratingFacilityCapacity

nee:NexteraEnergyResources, nee:VariableInterestEntitiesGasAndOilPrimaryBeneficiary


Natural
Period End2021-06-302021-03-31
Value01450.0
Percentage of NaturalGasAndOrOilElectricGeneratingFacilityCapacity0.0100.0

nee:NaturalGasAndOrOilElectricGeneratingFacilityCapacity dei:LegalEntity, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

nee:NexteraEnergyResources, nee:VariableInterestEntitiesGasAndOilPrimaryBeneficiary


Natural
Period End2020-09-30
Value0
Percentage of NaturalGasAndOrOilElectricGeneratingFacilityCapacity0.0

nee:NuclearFuelAndOtherAmortization

nee:NuclearFuelAndOtherAmortization


Nuclear
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value607479595174721882906049606762677172258774114921028890868982889685968155557376
Percentage of NuclearFuelAndOtherAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:NuclearFuelAndOtherAmortization dei:LegalEntity

nee:FloridaPowerLightCompany


Nuclear
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value41434143384245454045343436404.05252495155
Percentage of NuclearFuelAndOtherAmortization68.358.151.972.974.556.862.5250.048.850.056.769.460.059.76.577.673.268.1204.063.2

nee:OtherCapitalExpenditures

nee:OtherCapitalExpenditures


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1.017-1.08.01.0-920.0741821349.0621891216248.02632466043-150.0103251053451402444293261941301251461484850106-119.0221415
Percentage of OtherCapitalExpenditures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:OtherComprehensiveIncomeLossRelatedToEquityMethodInvesteeTax

nee:OtherComprehensiveIncomeLossRelatedToEquityMethodInvesteeTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-03-31
Value1000000.0000-1000000.01000000.01000000.0-1000000.001000000.0-1000000.01000000.001000000.0-1000000.005000000.00-1000000.0-2000000.01000000.0-2000000.01000000.0-1000000.0-2000000.00-2000000.0-1000000.01000000.003000000.000-3000000.01000000.0-4000000.00
Percentage of OtherComprehensiveIncomeLossRelatedToEquityMethodInvesteeTax100.00.00.00.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.00.00.0100.0100.0100.00.0

nee:OtherThanTemporaryImpairmentLossesOnSecuritiesHeldInNuclearDecommissioningFunds

nee:OtherThanTemporaryImpairmentLossesOnSecuritiesHeldInNuclearDecommissioningFunds


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302015-12-312015-09-302014-12-312014-09-302012-12-312012-09-302011-12-312011-09-302010-12-312010-09-30
Value1055818687218-328.0811.039117-211.03013-20.0-10.00.00.0-4.0-2.0-8.0-24.0-5.0-4.0-5.0-4.0-2.0-30.00.0-1.0
Percentage of OtherThanTemporaryImpairmentLossesOnSecuritiesHeldInNuclearDecommissioningFunds100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

nee:PaymentsToAcquireBusinessesGrossAndRelatedCapitalExpenditures

nee:PaymentsToAcquireBusinessesGrossAndRelatedCapitalExpenditures


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value15335116834023722415345510.00.00.00.0
Percentage of PaymentsToAcquireBusinessesGrossAndRelatedCapitalExpenditures100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

nee:PlannedNewGenerationToBeAddedover5Years dei:LegalEntity, nee:PlannedCapitalExpendituresByCommitment

nee:PlannedNewGenerationToBeAddedover5Years

nee:NexteraEnergyResources, nee:SolarExpenditures


Planned
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-623.0746.0651.01580.0-345.0420.0175.0930.0-5.0275.0205.0100.0-35.030.05.0140.0-245.0-250.0-140.0860.0-110.0325.0160.0670.0
Percentage of PlannedNewGenerationToBeAddedover5Years100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:NexteraEnergyResources, nee:WindExpenditures


Planned
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-2390.0490.079.04215.0-415.0-970.045.05740.0-1705.01015.01035.04050.0-475.0675.0520.02880.0-615.01910.0-100.01565.0-425.0135.0400.01255.0
Percentage of PlannedNewGenerationToBeAddedover5Years383.665.712.1266.8120.3-231.025.7617.234100.0369.1504.94050.01357.12250.010400.02057.1251.0-764.071.4182.0386.441.5250.0187.3

nee:PlannedNewGenerationToBeAddedover5Years nee:PlannedCapitalExpendituresByCommitment, us-gaap:StatementBusinessSegments

nee:SolarExpenditures, nee:NEERSegment


Planned
Period End2021-06-302021-03-31
Value1916.02866.0
Percentage of PlannedNewGenerationToBeAddedover5Years0.00.0

nee:WindExpenditures, nee:NEERSegment


Planned
Period End2021-06-302021-03-31
Value1534.02509.0
Percentage of PlannedNewGenerationToBeAddedover5Years0.00.0

nee:PremiumOnPubliclyTradedEquityUnitsKnownAsCorporateUnits us-gaap:StatementEquityComponents

nee:PremiumOnPubliclyTradedEquityUnitsKnownAsCorporateUnits

us-gaap:AdditionalPaidInCapital


Premium
Period End2020-09-302020-06-302020-03-312019-09-302016-12-312015-12-31
Value3340.02531200.00.0
Percentage of PremiumOnPubliclyTradedEquityUnitsKnownAsCorporateUnits100.00.0100.0100.00.00.0

us-gaap:Parent


Premium
Period End2020-09-302020-06-302020-03-312019-09-302016-12-312015-12-31
Value3340.02531200.00.0
Percentage of PremiumOnPubliclyTradedEquityUnitsKnownAsCorporateUnits100.00.0100.0100.00.00.0

nee:ProceedsfromSaleofIndependentPowerInvestments

nee:ProceedsfromSaleofIndependentPowerInvestments


Proceedsfrom
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302016-12-312016-09-30
Value834271608.012901619117263-1.0
Percentage of ProceedsfromSaleofIndependentPowerInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:RegulatoryReturnOnCommonEquity dei:LegalEntity, us-gaap:StatementScenario

nee:RegulatoryReturnOnCommonEquity

nee:FloridaPowerLightCompany, srt:ScenarioForecast


Regulatory
Period End2022-01-31
Value11.5
Percentage of RegulatoryReturnOnCommonEquity100.0

nee:SaleOfDifferentialMembershipInterests

nee:SaleOfDifferentialMembershipInterests


Sale
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-302015-12-312015-09-302014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value295014141738107415311097155.09390.02470.02010.039477343032560.02100.00.071
Percentage of SaleOfDifferentialMembershipInterests100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.00.0100.00.00.0100.0

nee:SolarGeneratingFacilityCapability dei:LegalEntity, us-gaap:ConsolidatedEntities

nee:SolarGeneratingFacilityCapability

nee:IndirectSubsidiaryofNextEraEnergyResources, nee:PhotovoltaicSolarFacility


Solar
Period End2021-06-302021-03-31
Value0409.0
Percentage of SolarGeneratingFacilityCapability0.0100.0

nee:NextEraEnergyResourcesConsolidatedVIE, nee:PhotovoltaicSolarFacility


Solar
Period End2020-12-31
Value599.0
Percentage of SolarGeneratingFacilityCapability0.0

nee:NexteraEnergyResources, nee:VariableInterestEntitiesWindAndSolarPVFacilities


Solar
Period End2021-06-302021-03-31
Value0599.0
Percentage of SolarGeneratingFacilityCapability0.0146.5

nee:NexteraEnergyResources, nee:VariableInterestEntitiesWindandSolarPrimaryBeneficiaryMember


Solar
Period End2021-06-302021-03-31
Value0778.0
Percentage of SolarGeneratingFacilityCapability0.0190.2

nee:SolarGeneratingFacilityCapability dei:LegalEntity, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

nee:IndirectSubsidiaryofNextEraEnergyResources, nee:PhotovoltaicSolarFacility


Solar
Period End2020-09-30
Value0
Percentage of SolarGeneratingFacilityCapability0.0

nee:NexteraEnergyResources, nee:VariableInterestEntitiesWindandSolarPrimaryBeneficiaryMember


Solar
Period End2020-09-30
Value65.0
Percentage of SolarGeneratingFacilityCapability0.0

nee:UnrecognizedRevenue us-gaap:StatementBusinessSegments

nee:UnrecognizedRevenue

nee:NEERSegment


Unrecognized
Period End2021-06-302021-03-31
Value0.0180
Percentage of UnrecognizedRevenue0.0100.0

nee:VariableInterestEntityConsolidatedIncomeAllocationPercentage us-gaap:ConsolidatedEntities

nee:VariableInterestEntityConsolidatedIncomeAllocationPercentage

us-gaap:VariableInterestEntityPrimaryBeneficiary


Variable
Period End2021-06-302021-03-31
Value050.0
Percentage of VariableInterestEntityConsolidatedIncomeAllocationPercentage0.0100.0

nee:WindElectricGeneratingFacilityCapability dei:LegalEntity, us-gaap:ConsolidatedEntities

nee:WindElectricGeneratingFacilityCapability

nee:NextEraEnergyResourcesConsolidatedVIE, nee:PhotovoltaicSolarFacility


Wind
Period End2020-12-31
Value400.0
Percentage of WindElectricGeneratingFacilityCapability100.0

nee:NexteraEnergyResources, nee:VariableInterestEntitiesWindAndSolarPVFacilities


Wind
Period End2021-06-302021-03-31
Value0400.0
Percentage of WindElectricGeneratingFacilityCapability0.00.0

nee:NexteraEnergyResources, nee:VariableInterestEntitiesWindandSolarPrimaryBeneficiaryMember


Wind
Period End2021-06-302021-03-31
Value66.010513.0
Percentage of WindElectricGeneratingFacilityCapability0.00.0

us-gaap:AmountRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLossBeforeTax

us-gaap:AmountRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLossBeforeTax


Amount
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-64000000.0-64000000.0-51000000.0-50000000.0-47000000.0-52000000.0-49000000.0-50000000.0-35000000.0-51000000.0-29000000.0-37000000.0-51000000.0-51000000.0-50000000.0-48000000.0-10000000.0-43000000.0
Percentage of AmountRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1 dei:LegalEntity, us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

nee:NextEraEnergyTransmissionLLCSubsidiary, nee:GridLiance


Business
Period End2020-09-29
Value660
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2123825-167.073168731941502557-360.0187417519113316399937483169729717256781252776645563632-207.014221980230666526742763-4.08845828171499-65.055
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid dei:LegalEntity

nee:FloridaPowerLightCompany


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-71.0826-73.0704355212396-124.058589-28.0-153.0641268-77.04243518940
Percentage of CapitalExpendituresIncurredButNotYetPaid-33.521.643.79.66.317.38.217.234.431.250.9-14.7-115.039.127.0-10.313.344.819.55.5

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths


Cash
Period End2021-06-302021-03-312020-12-31
Value0-7000000.01000000.0
Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths0.0100.0100.0

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:CommonStockDividendsPerShareCashPaid


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value0.3850.3850.3851.41.41.41.251.251.251.251.111.111.111.110.98250.98250.98250.98250.870.870.870.870.770.770.770.770.7250.7250.7250.7250.660.660.660.660.60.60.60.60.550.550.550.550.50.50.50.50.47250.47250.47250.4725
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskPercentage1 dei:LegalEntity, us-gaap:ConcentrationRiskByBenchmark

us-gaap:ConcentrationRiskPercentage1

nee:FloridaPowerLightCompany, us-gaap:SalesRevenueNet


Concentration
Period End2021-03-31
Value90.0
Percentage of ConcentrationRiskPercentage1100.0

us-gaap:ConversionOfStockAmountConverted1 dei:LegalEntity, us-gaap:StatementClassOfStock

us-gaap:ConversionOfStockAmountConverted1

nee:NextEraEnergyPartners, nee:SeriesAConvertiblePreferredUnits


Conversion
Period End2020-09-302019-09-30
Value71183
Percentage of ConversionOfStockAmountConverted1100.0100.0

us-gaap:ConversionOfStockAmountConverted1 dei:LegalEntity, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

nee:NextEraEnergyPartners, nee:SeriesAConvertiblePreferredUnits, us-gaap:SubsequentEvent


Conversion
Period End2020-10-23
Value46
Percentage of ConversionOfStockAmountConverted10.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain dei:LegalEntity, us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

nee:FloridaPowerLightCompany, us-gaap:DebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value2012172120251415
Percentage of DebtSecuritiesAvailableForSaleRealizedGain100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain us-gaap:FinancialInstrument

us-gaap:DebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value2618243026302121
Percentage of DebtSecuritiesAvailableForSaleRealizedGain130.0150.0141.2142.9130.0120.0150.0140.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss dei:LegalEntity, us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss

nee:FloridaPowerLightCompany, us-gaap:DebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value23131810.013159.011
Percentage of DebtSecuritiesAvailableForSaleRealizedLoss100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss us-gaap:FinancialInstrument

us-gaap:DebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value3014201716171414
Percentage of DebtSecuritiesAvailableForSaleRealizedLoss130.4107.7111.1170.0123.1113.3155.6127.3

us-gaap:DeferredIncomeTaxesAndTaxCredits us-gaap:IncomeTaxAuthority

us-gaap:DeferredIncomeTaxesAndTaxCredits

us-gaap:StateAndLocalJurisdiction


Deferred
Period End2020-09-302019-12-312019-09-30
Value480.048
Percentage of DeferredIncomeTaxesAndTaxCredits100.00.0100.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value-2.0-1.00.0-1.0-1.00.00.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.00.0100.0100.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value-6.0-6.0-4.0-4.0-4.00.00.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses300.0600.00.0400.0400.00.00.0

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-4000000.0-4000000.0-4000000.0-4000000.0-4000000.0-4000000.0-3000000.0-4000000.0-4000000.0-4000000.0-3000000.0-4000000.0-4000000.0-4000000.0-4000000.0-4000000.0-2000000.0000-1000000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0-1000000.0000000000000-1000000.00001000000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit-0.025.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.050.00.00.00.0-100.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value858580808080777878796969696968676867656565
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1.01.02.03.02.02.02.03.03.03.02.02.02.02.02.02.02.02.03.03.04.0
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value161623232323282828292020202020212121272626
Percentage of DefinedBenefitPlanInterestCost1600.01600.01150.0766.71150.01150.01400.0933.3933.3966.71000.01000.01000.01000.01000.01050.01050.01050.0900.0866.7650.0

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

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

nee:FloridaPowerLightCompany, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-1.0-1.0-1.0-1.0-1.0-1.0-1.0-1.0-1.0-1.0-2.0-2.0-2.0-2.0-1.0-2.01.02.02.02.03.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

nee:FloridaPowerLightCompany, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-27.0-27.0-19.0-19.0-19.0-19.0-18.0-18.0-18.0-18.0-6.0-11.0-20.0-20.0-19.0-20.06.0-18.0-14.0-15.0-14.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost2700.02700.01900.01900.01900.01900.01800.01800.01800.01800.0300.0550.01000.01000.01900.01000.0600.0-900.0-700.0-750.0-466.7

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-1.0-1.0-1.0-1.0-1.0-1.0-1.0-1.0-1.0-1.0-1.0-2.0-2.0-2.0-2.0-2.02.02.03.03.03.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.050.0100.0100.0100.0200.0100.0200.0100.0150.0150.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-41.0-41.0-28.0-28.0-25.0-30.0-27.0-29.0-14.0-30.0-10.0-17.0-31.0-31.0-31.0-30.06.0-29.0-23.0-23.0-23.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost4100.04100.02800.02800.02500.03000.02700.02900.01400.03000.0500.0850.01550.01550.03100.01500.0600.0-1450.0-1150.0-1150.0-766.7

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value0.01.00.00.00.00.00.00.00.00.00.00.00.00.00.00.01.00.01.00.00.0
Percentage of DefinedBenefitPlanServiceCost0.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.00.0100.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value222221222121202020201818181817161716151615
Percentage of DefinedBenefitPlanServiceCost0.02200.00.00.00.00.00.00.00.00.00.00.00.00.00.00.01700.00.01500.00.00.0

us-gaap:DefinedBenefitPlanSpecialTerminationBenefits us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanSpecialTerminationBenefits

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value29-4.0-7.0-2.0-2.0-1.0-16.00.0-21.0-14.00.00.0760.0-37.0-1.00.00.00.0
Percentage of DefinedBenefitPlanSpecialTerminationBenefits100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.0100.00.0100.0100.00.00.00.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value98174994412799818489691295118077210921131831857-219.01071886619815983742537749798737547692783613463640605499419397466335320331496409331477530386414
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAndAmortization dei:LegalEntity

nee:FloridaPowerLightCompany


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value571339471823550402519853777375773804511545-581.0704537273444587
Percentage of DepreciationAndAmortization58.245.349.964.356.147.453.665.965.848.670.871.161.563.6265.365.760.644.154.559.7

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

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet

us-gaap:CommodityContract, us-gaap:Nondesignated, nee:GainsLossesIncludedInOperatingRevenues


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-929.0-488.0107-327.0-53.0625121366276-4.0384-187.042137-84.0114132291-43.0264-92.0330120397178
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignExchangeContract, us-gaap:Nondesignated, nee:GainLossIncludedInInterestExpense


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-15.0-40.0383416-79.014-13.011-19.016-17.0-25.0452.0-4.03621-82.01552300.00.00.0
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet1.6