FNMA


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

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:CommonStockSharesIssued

us-gaap:PreferredStockSharesIssued

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:RevenuesNetOfInterestExpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:InterestAndFeeIncomeLoansAndLeases
fnm:UpdatedAccountingPolicy

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

us-gaap:InterestExpense

us-gaap:InterestExpenseLongTermDebt

us-gaap:InterestIncomeExpenseNet
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:DerivativeInstrumentRisk

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxesPaid

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

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:Assets
us-gaap:InvestmentType, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:OtherAssets
us-gaap:InvestmentType, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:InvestmentType, us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:LongTermDebt
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:ConsolidatedEntities
us-gaap:DebtAndCapitalLeaseObligations

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

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

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

fnm:ChangeInExpectedCreditEnhancementRecoveries
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

fnm:CreditEnhancementExpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

fnm:Creditrelatedincomeexpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:RelatedPartyTransactionsByRelatedParty
fnm:FHFAassessmentfeesexpense

fnm:FairValueGainsLossesNet
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

fnm:FinancingReceivableModificationsAverageInterestRateReductionPercentagePoint

fnm:ForeclosedRealEstateExpenseIncome
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:RelatedPartyTransactionsByRelatedParty
fnm:HomeAffordableModificationProgramAdministrativeExpenseReimbursement

fnm:InvestmentGainsLossNet1
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

fnm:PaymentOfCashDividendsOnSeniorPreferredStockToTreasury
us-gaap:StatementEquityComponents

fnm:PaymentsForAdvancesToLenders

fnm:SingleFamilyGuarantyFeeTemporaryPayrollTaxCutContinuationActOf2011
us-gaap:ConsolidationItems, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementBusinessSegments
us-gaap:RelatedPartyTransactionsByRelatedParty

fnm:UnpaidPrincipalBalanceOfPortfolioSecuritizations
us-gaap:IncomeStatementLocation, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AffordableHousingProgramAssessments

us-gaap:AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:AllowanceForLoanAndLeaseLossesAdjustmentsNet
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ValuationAllowancesAndReservesType
us-gaap:AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease

us-gaap:AllowanceForLoanAndLeaseLossesWriteOffs
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ValuationAllowancesAndReservesType

us-gaap:AvailableForSaleSecuritiesGrossRealizedGains

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers
us-gaap:QualitativeAndQuantitativeInformationTransferorsContinuingInvolvementTransferredFinancialAssetsByTransferOrTransferee
us-gaap:CashFlowsBetweenTransferorAndTransfereeBeneficialInterest
fnm:ServiceProviders, us-gaap:CounterpartyName, us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ConcentrationRiskPercentage1
us-gaap:CounterpartyName, us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:DerivativeInstrumentRisk
us-gaap:BalanceSheetLocation
us-gaap:FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass
us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass, us-gaap:IncomeStatementLocation
us-gaap:BalanceSheetLocation, us-gaap:IncomeStatementLocation
us-gaap:BalanceSheetLocation
us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation, us-gaap:LongtermDebtType
us-gaap:BalanceSheetLocation
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass
us-gaap:BalanceSheetLocation
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass
us-gaap:BalanceSheetLocation
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues
us-gaap:BalanceSheetLocation
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass
us-gaap:BalanceSheetLocation
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass
us-gaap:BalanceSheetLocation
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass
us-gaap:BalanceSheetLocation
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass
us-gaap:BalanceSheetLocation
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass
us-gaap:BalanceSheetLocation
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation, us-gaap:LongtermDebtType
us-gaap:BalanceSheetLocation
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation, us-gaap:LongtermDebtType
us-gaap:FinancialInstrument
us-gaap:FairValueOptionChangesInFairValueGainLoss1
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:FinancingReceivableAccruedInterestWriteoff

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableModificationsNumberOfContracts2
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableNonaccrualInterestIncome
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:FinancingReceivableReclassificationToHeldForSale
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:FinancingReceivableSignificantSales

us-gaap:ForeclosedRealEstateExpense
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:GainLossOnSaleOfMortgageLoans

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestAndDividendIncomeSecuritiesAvailableForSale

us-gaap:InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue

us-gaap:InterestExpenseShortTermBorrowings

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell

us-gaap:InterestPaid

us-gaap:LaborAndRelatedExpense
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans

us-gaap:NetRealizedOrUnrealizedGainLossOnTradingSecurities

us-gaap:NoninterestExpense

us-gaap:NoninterestIncome

us-gaap:NoninterestIncomeOther
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:NoninterestIncomeOtherOperatingIncome

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansPlanAmendmentsTaxEffect

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax

us-gaap:OtherComprehensiveIncomeOtherNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherGeneralAndAdministrativeExpense

us-gaap:OtherInterestAndDividendIncome

us-gaap:OtherNoninterestExpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:PaymentsForProceedsFromOtherInvestingActivities
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:PaymentsToAcquireEquityMethodInvestments

us-gaap:PaymentsToAcquireLoansHeldForInvestment

us-gaap:PreferredStockDividendsAndOtherAdjustments
us-gaap:ConsolidatedEntities
us-gaap:ProceedsFromIssuanceOfDebt

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment

us-gaap:ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
us-gaap:ConsolidatedEntities
us-gaap:ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment

us-gaap:ProceedsFromSaleOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfForeclosedAssets
us-gaap:ConsolidatedEntities
us-gaap:ProceedsFromSaleOfLoansAndLeasesHeldForInvestment

us-gaap:ProceedsFromSaleOfTradingSecuritiesHeldforinvestment

us-gaap:ProfessionalAndContractServicesExpense

us-gaap:ProvisionForLoanLeaseAndOtherLosses
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:ProvisionForLoanLossesExpensed
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:ConsolidatedEntities
us-gaap:RepaymentsOfDebt

us-gaap:TradingSecuritiesUnrealizedHoldingGainLoss

us-gaap:WeightedAverageNumberOfSharesContingentlyIssuable

fnm:AdvanceToLender
us-gaap:FairValueByFairValueHierarchyLevel
fnm:AdvancesToLendersFairValueDisclosure
us-gaap:FairValueByMeasurementBasis
us-gaap:RelatedPartyTransactionsByRelatedParty
fnm:AggregateFundingReceivedFromUsTreasuryPursuantToSeniorPreferredStockPurchaseAgreement

fnm:AggregateLiquidationPreferenceOfSeniorPreferredStock
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:StatementScenario, us-gaap:RelatedPartyTransactionsByRelatedParty

fnm:AllowanceForMortgageInsuranceReceivable
us-gaap:RelatedPartyTransactionsByRelatedParty
fnm:CapitalReserveAmountcurrentYearSeniorPreferredStockPurchaseAgreementAmendment
us-gaap:FairValueByFairValueHierarchyLevel
fnm:CashCashEquivalentsAndRestrictedCashFairValueDisclosure
us-gaap:FairValueByMeasurementBasis

fnm:DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss

fnm:DeficitOfCoreCapitalOverStatutoryMinimumCapitalRequirement

fnm:DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedSubjectToMasterNettingArrangement

fnm:DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSubjectToMasterNettingArrangementNotOffsetFinancialInstruments
us-gaap:DerivativeInstrumentRisk
fnm:DerivativeAssetsInterestReceivable

fnm:DerivativeFairValueGrossAssetAllDerivatives
us-gaap:DerivativeInstrumentRisk

fnm:DerivativeLiabilityFairValueGrossLiabilityAllDerivatives
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk
fnm:DerivativeLiabilityInterestPayable

fnm:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedSubjectToMasterNettingArrangements

fnm:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSubjectToMasterNettingArrangementNotOffsetFinancialInstruments
us-gaap:QualitativeAndQuantitativeInformationTransferorsContinuingInvolvementTransferredFinancialAssetsByTransferOrTransferee, us-gaap:UnderlyingAssetClass
fnm:FairValueSecuritiesRetainedUnconsolidatedPortfolioSecuritizationTrusts
us-gaap:FinancialInstrument, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
fnm:FreddieMaccollateralincludedinFannieMaecommingledsecurity
us-gaap:FinancialInstrument, us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
fnm:FreeStandingCreditEnhancements
us-gaap:FairValueByFairValueHierarchyLevel
fnm:GuarantyAssetsAndBuyUpsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis

fnm:InsuranceLossReservesContractualMortgageInsuranceBenefitNet
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementBusinessSegments
fnm:LiabilityToTreasuryRelatedToIncreaseInSingleFamilyGuarantyFeeResultingFromTemporaryPayrollTaxCutContinuationActOf2011
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByBenchmark
fnm:Loans30To59DaysPastDuePercentageOfUnpaidPrincipalBalance
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:MortgageLoansOnRealEstateLoanType, us-gaap:ConcentrationRiskByBenchmark
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:MortgageLoansOnRealEstateLoanType, us-gaap:ConcentrationRiskByBenchmark
fnm:Loans60To89DaysPastDuePercentageOfUnpaidPrincipalBalance
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByBenchmark
fnm:LoansSeriouslyDelinquentPercentageOfUnpaidPrincipalBalance
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:MortgageLoansOnRealEstateLoanType, us-gaap:ConcentrationRiskByBenchmark
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ProductOrService, us-gaap:ConcentrationRiskByBenchmark
fnm:LoansSeriouslyDelinquentUnpaidPrincipalBalancePercentageByCategory

fnm:MaximumRecovery
us-gaap:GuaranteeObligationsByNature, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:GuaranteeObligationsByNature, us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByBenchmark
fnm:MortgageInsuranceCoverageRiskInForce
us-gaap:CounterpartyName
fnm:MortgageInsuranceCoverageRiskInForceInsuranceClaimPercentageToBePaidInCashByMortgageInsurer
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
fnm:MortgageInsuranceCoverageRiskInForceInsurersWithPubliclyDisclosedFinancialWeakness
us-gaap:CounterpartyName
fnm:MortgageInsuranceCoverageRiskinForceInsuranceClaimPercentageTobeDeferredbyMortgageInsurer

fnm:MortgageLoansCostBasisAndFairValueAdjustmentsNet

fnm:MortgageLoansOnRealEstateUnpaidPrincipalBalance
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:VariableInterestEntitiesByClassificationOfEntity

fnm:Nonaccrualloanswithnotallowance
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:ValuationTechnique
fnm:NumberOfAcquiredPropertiesValuatedPercentage
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:MortgageLoansOnRealEstateLoanType, us-gaap:ConcentrationRiskByBenchmark
fnm:NumberOfLoans30To59DaysPastDuePercentage
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:MortgageLoansOnRealEstateLoanType, us-gaap:ConcentrationRiskByBenchmark
fnm:NumberOfLoans60To89DaysPastDuePercentage
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:MortgageLoansOnRealEstateLoanType, us-gaap:ConcentrationRiskByBenchmark
fnm:NumberOfLoansSeriouslyDelinquentPercentageByCategory
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:MortgageLoansOnRealEstateLoanType, us-gaap:ProductOrService, us-gaap:ConcentrationRiskByBenchmark
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:MortgageLoansOnRealEstateLoanType, us-gaap:StatementGeographical, us-gaap:ConcentrationRiskByBenchmark
us-gaap:RelatedPartyTransactionsByRelatedParty
fnm:PercentageOfCommonSharesAttributableToWarrantsIssuedToTreasuryAsPercentageToTotalDilutedCommonShares
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
fnm:PercentageOfConcentrationRisk
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByBenchmark
fnm:PoolMortgageInsuranceCoverageRiskInForce
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByBenchmark
fnm:PrimaryMortgageInsuranceCoverageRiskInForce
us-gaap:FinancialInstrument
fnm:PrincipalAmountOutstandingOfLoansHeldForInvestment
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:StatementBusinessSegments
fnm:RealEstateAcquiredThroughForeclosureFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:StatementBusinessSegments, us-gaap:ValuationTechnique

fnm:ReceivableFromClaimsOnDefaultedLoansFromMortgageInsurersSellersAndServicers

fnm:RecordedInvestmentMortgageLoansHeldForInvestment

fnm:SeniorPreferredStockSharesOutstanding

fnm:SeniorPreferredStockValue
us-gaap:RelatedPartyTransactionsByRelatedParty
fnm:TotalAvailableFundingfromTreasuryPursuanttotheSeniorPreferredStockAgreement
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByBenchmark
fnm:TotalMortgageInsuranceCoverageRiskInForceAsPercentageOfUnpaidPrincipalBalanceInGuarantyBookOfBusiness
us-gaap:QualitativeAndQuantitativeInformationTransferorsContinuingInvolvementTransferredFinancialAssetsByTransferOrTransferee, us-gaap:UnderlyingAssetClass
fnm:UnpaidPrincipalBalanceSecuritiesRetainedUnconsolidatedPortfolioSecuritizationTrusts

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:AffordableHousingProgramObligation

us-gaap:AllowanceForLoanAndLeaseLossesRealEstate
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:AociDebtSecuritiesAvailableForSaleWithoutAllowanceForCreditLossCumulativeGainLossAfterTax
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency
us-gaap:InvestmentType, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:AssetsNet

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:FairValueByAssetClass, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:FairValueByAssetClass, us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:InvestmentType, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:InvestmentType, us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:ConvertiblePreferredStockSharesIssuedUponConversion
us-gaap:ConsolidatedEntities, us-gaap:FinancialInstrument
us-gaap:DebtInstrumentCarryingAmount
us-gaap:ConsolidatedEntities
us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet

us-gaap:DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
us-gaap:FinancialInstrument
us-gaap:Range, us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
us-gaap:DebtSecuritiesAvailableForSaleMeasurementInput
us-gaap:ShortTermDebtType
us-gaap:DebtWeightedAverageInterestRate

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DerivativeAssetCollateralObligationToReturnCashOffset

us-gaap:DerivativeAssetFairValueGrossLiability
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:TransactionType
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeAssetNotOffsetPolicyElectionDeduction
us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeAssetNotSubjectToMasterNettingArrangement

us-gaap:DerivativeAssetNotionalAmount
us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedAmountOffsetAgainstCollateral

us-gaap:DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedCollateralObligationToReturnSecurities

us-gaap:DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedGross

us-gaap:DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiability
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeAssets
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeCollateralObligationToReturnSecurities
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:TransactionType

us-gaap:DerivativeCollateralRightToReclaimSecurities
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:TransactionType

us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:TransactionType

us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:TransactionType
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:ValuationTechnique

us-gaap:DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:TransactionType

us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:TransactionType

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:TransactionType

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:TransactionType
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeLiabilities
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeLiabilityCollateralRightToReclaimCashOffset

us-gaap:DerivativeLiabilityFairValueGrossAsset
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:TransactionType
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeLiabilityNotOffsetPolicyElectionDeduction
us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeLiabilityNotSubjectToMasterNettingArrangement

us-gaap:DerivativeLiabilityNotionalAmount
us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAmountOffsetAgainstCollateral

us-gaap:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedAsset

us-gaap:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedCollateralRightToReclaimSecurities

us-gaap:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedGross
us-gaap:BalanceSheetLocation
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass
us-gaap:BalanceSheetLocation
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation
us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation, us-gaap:LongtermDebtType

us-gaap:FairValueOfSecuritiesReceivedAsCollateralThatCanBeResoldOrRepledged

us-gaap:FairValueOfSecuritiesReceivedAsCollateralThatHaveBeenResoldOrRepledged

us-gaap:FairValueOptionLoansHeldAsAssets90DaysOrMorePastDue

us-gaap:FairValueOptionLoansHeldAsAssets90DaysOrMorePastDueAggregateDifference

us-gaap:FairValueOptionLoansHeldAsAssetsAggregateAmountInNonaccrualStatus

us-gaap:FairValueOptionLoansHeldAsAssetsAggregateAmountInNonaccrualStatusAggregatedDifference

us-gaap:FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FederalFundsSoldAndSecuritiesBorrowedOrPurchasedUnderAgreementsToResellFairValueDisclosure
us-gaap:FairValueByMeasurementBasis

us-gaap:FederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell

us-gaap:FinancialInstrumentsOwnedAndPledgedAsCollateralAmountEligibleToBeRepledgedByCounterparty

us-gaap:FinancingReceivableAllowanceForCreditLosses
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableNonaccrualNoAllowance
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:InternalCreditAssessment

us-gaap:FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableRecordedInvestmentCurrent
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableRecordedInvestmentPastDue
us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivablesPeriodPastDue

us-gaap:GuaranteeObligationsCurrentCarryingValue
us-gaap:GuaranteeObligationsByNature, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:GuaranteeObligationsByNature, us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:GuaranteeObligationsMaximumExposure
us-gaap:GuaranteeObligationsByNature, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:GuaranteeObligationsByNature, us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:GuaranteesFairValueDisclosure
us-gaap:FairValueByMeasurementBasis

us-gaap:InterestPayableCurrentAndNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:InterestReceivable
us-gaap:ConsolidatedEntities
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:ValuationAllowancesAndReservesType
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency
us-gaap:ShortTermDebtType
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:LoansAndLeasesReceivableNetReportedAmount

us-gaap:LoansReceivableFairValueDisclosure

us-gaap:LoansReceivableHeldForSaleAmount

us-gaap:LongtermDebtWeightedAverageInterestRate
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:MarketableSecurities
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansInProcessOfForeclosureAmount

us-gaap:MortgageLoansOnRealEstateCommercialAndConsumerNet
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:MortgagesHeldForSaleFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:ValuationTechnique
us-gaap:FairValueByMeasurementBasis

us-gaap:NotesReceivableGross
us-gaap:ConsolidatedEntities
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:InternalCreditAssessment

us-gaap:OtherLiabilities
us-gaap:ConsolidatedEntities
us-gaap:InvestmentType, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:InvestmentType, us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:PreferredStockSharesOutstanding

us-gaap:PreferredStockValue

us-gaap:RealEstateAcquiredThroughForeclosure

us-gaap:RestrictedCashAndCashEquivalents
us-gaap:ConsolidatedEntities
us-gaap:BalanceSheetLocation
us-gaap:SecuritiesPurchasedUnderAgreementsToResell

us-gaap:SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnSecurities

us-gaap:SecuritiesPurchasedUnderAgreementsToResellGross

us-gaap:SecuritiesPurchasedUnderAgreementsToResellNotSubjectToMasterNettingArrangement

us-gaap:SecuritiesReceivedAsCollateral

us-gaap:SecurityOwnedAndPledgedAsCollateralFairValue
us-gaap:ConsolidatedEntities
us-gaap:ShortTermBorrowings
us-gaap:ConsolidatedEntities
us-gaap:ShortTermDebtWeightedAverageInterestRate
us-gaap:ConsolidatedEntities, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:ShorttermDebtFairValue
us-gaap:ConsolidatedEntities, us-gaap:FairValueByMeasurementBasis

us-gaap:TradingSecuritiesDebt
us-gaap:ConsolidatedEntities
us-gaap:FairValueByAssetClass, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:FairValueByAssetClass, us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:FinancialInstrument
us-gaap:InvestmentType, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:InvestmentType, us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:TreasuryStockShares
us-gaap:InvestmentType, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:VariableInterestEntityEntityMaximumLossExposureAmount
us-gaap:InvestmentType, us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:InvestmentType, us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssets
us-gaap:InvestmentType, us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssetsAndLiabilitiesNet

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
General And Administrative Expense
Balance Sheet
Stockholders Equity
Assets
Other Assets
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Deferred Income Tax Assets Net
Liabilities
Other Liabilities
Noncurrent Liabilities
Long Term Debt
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInInvestingActivities
Payments For Proceeds From Other Investing Activities
NetCashProvidedByUsedInFinancingActivities
Proceeds From Payments For Other Financing Activities
Shares
Treasury Stock Shares
BanksAndOrInsurance
Derivative Asset Collateral Obligation To Return Cash Offset

Tables

  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:CommonStockValue ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock▄▄▄▄▄▄▄▄▄▄▄▄1158.01158.01158.01158.01158.01158.01158.01158.01158.01158.01158.01158.0NANANA1158.0NANANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:PreferredStock▄▄▄▄▄▄▄▄▄▄▄▄556.0556.0556.0556.0556.0556.0556.0556.0556.0556.0556.0556.0NANANA556.0NANANA
us-gaap:CommonStockSharesIssued NA1308.7627031308.7627031308.7627031308.7627031308.7627031308.7627031308.7627031308.7627031308.7627031308.7627031308.7627031308.7627031308.7627031308.7627031308.7627031308.7627031308.7627031308.762703
us-gaap:PreferredStockSharesIssued NA555.374922555.374922555.374922555.374922555.374922555.374922555.374922555.374922555.374922555.374922555.374922555.374922555.374922555.374922555.374922555.374922555.374922555.374922
us-gaap:CommonStockSharesOutstanding NA1158.0875671158.0875671200.01158.0875671158.0875671158.0875671200.01158.0875671158.0875671158.0875671158.0875671158.0875671158.0875671158.0875671158.082751158.082751158.082751158.08275
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ██▇█▁██▁█▁█▁▁█▁▁███5893.05893.05867.05893.05762.05893.05893.05762.05893.05762.05893.05762.05762.05893.05762.05762.05893.05893.05893.0
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ███▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁5867.05867.05867.05762.05762.05762.05762.05762.05762.05762.05762.05762.05762.05762.05762.05762.05762.05762.05762.0
us-gaap:EarningsPerShareBasic ▆▆▆▆▆▆▆▆▆▆█▁▆▆▆▅▆▆▆0.00.0-0.00.020.00.010.010.00.010.00.58-1.130.00.010.0-0.080.040.010.04
us-gaap:EarningsPerShareDiluted ▆▆▆▆▆▆▆▆▆▆█▁▆▆▆▅▆▆▆0.00.0-0.00.020.00.010.010.00.010.00.56-1.130.00.010.0-0.080.040.010.04
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,srt:Multifamily▂▄▇██▅▂▁▅▃▃▅▃806.0857.0962.0977.0991.0889.0815.0770.0891.0824.0833.0893.0836.0NANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,srt:SingleFamily█▄▃▅▃▂▁▂▃▄▃▃▇5943.05010.04693.05174.04640.04507.04145.04352.04749.04792.04719.04649.05632.0NANANANANANA
 Net profit Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,srt:Multifamily▂▄▇██▅▂▁▅▃▃▅▃806.0857.0962.0977.0991.0889.0815.0770.0891.0824.0833.0893.0836.0NANANANANANA
 Net profit Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,srt:SingleFamily█▄▃▅▃▂▁▂▃▄▃▃▇5943.05010.04693.05174.04640.04507.04145.04352.04749.04792.04719.04649.05632.0NANANANANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:RevenuesNetOfInterestExpense █▅▄▆▄▃▁▂▄▄▃▃▇▃▃▆▄▃▁6749.05867.05655.06151.05631.05396.04960.05122.05640.05616.05552.05542.06468.05355.05595.06219.05610.05460.04972.0
us-gaap:InterestAndFeeIncomeLoansAndLeases ▁▃▇▆▆▇██▆▆▅▄▃▃▃▁▁▂▃25810.027007.028938.028759.028858.029379.029768.029541.028723.028307.028034.027214.027047.027011.027047.025814.025611.026256.026961.0
us-gaap:GeneralAndAdministrativeExpense ▆▅▅▇▅▅▅█▅▅▅▃▁▂▂▃▁▂▂762.0754.0749.0786.0749.0744.0744.0814.0740.0755.0750.0703.0664.0686.0684.0714.0661.0678.0688.0
us-gaap:InterestExpense ▁▃▆▅▆▇██▆▅▅▄▄▄▄▂▂▃▄19397.021514.024079.023484.024312.025004.025810.025361.023975.023480.023282.022507.022187.022391.022038.020333.020516.021314.022563.0
us-gaap:InterestExpenseLongTermDebt ▁▃▆▅▆▇█▇▆▅▅▄▄▄▄▂▂▃▄19378.021460.023977.023352.024187.024885.025685.025224.023861.023370.023175.022430.022115.022334.021994.020291.020460.021257.022512.0
us-gaap:InterestIncomeExpenseNet █▅▃▅▃▃▁▂▃▃▃▂▃▂▃▅▄▃▁6656.05777.05347.05850.05229.05150.04733.04973.05369.05377.05232.05111.05274.05002.05346.05805.05435.05286.04769.0
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▆▄▁▆▅▅▃▄▅▆▆▅▅▅▅█▅▅▂5378.03214.0578.05230.04999.04321.03027.04058.05056.05593.05392.04956.04548.04787.04156.07580.04723.04344.01686.0
us-gaap:IncomeTaxExpenseBenefit ▂▁▁▁▂▁▁▁▂▂▂█▂▂▂▂▂▂▁1149.0669.0117.0865.01036.0889.0627.0828.01045.01136.01131.011489.01525.01587.01383.02545.01527.01398.0550.0
us-gaap:IncomeTaxesPaid █▁▁▃▁▁▁▁▁▂▁▅▃▄▁▂▂▂▂2750.00.00.0650.00.00.00.00.00.0460.00.01420.0600.01100.00.0570.0531.0250.0360.0
us-gaap:ProfitLoss █▆▅█▇▇▆▇▇██▁▇▇▇█▇▇▆4229.02545.0461.04365.03963.03432.02400.03230.04011.04457.04261.0-6533.03023.03200.02773.05035.03196.02946.01136.0
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▅▅▅▄▅▄▄▅▄▅▁█▅▄▅▃▂▄▂-13.0-13.015.0-99.014.0-67.0-39.09.0-36.02.0-323.0258.025.0-83.06.0-164.0-207.0-77.0-200.0
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest █▇▅█▇▇▆▇▇█▇▁▇▇▇█▇▇▆4216.02532.0476.04266.03977.03365.02361.03239.03975.04459.03938.0-6687.03048.03117.02779.04871.02989.02869.0936.0
us-gaap:NetIncomeLoss █▆▅█▇▇▆▇▇██▁▇▇▇█▇▇▆4229.02545.0461.04365.03963.03432.02400.03230.04011.04457.04261.0-6533.03023.03200.02773.05035.03196.02946.01136.0
us-gaap:ComprehensiveIncomeNetOfTax █▇▅█▇▇▆▇▇█▇▁▇▇▇█▇▇▆4216.02532.0476.04266.03977.03365.02361.03239.03975.04459.03938.0-6687.03048.03117.02779.04871.02989.02869.0936.0
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▆▆▆▆▆▆▆▆▆▆█▁▆▆▆▅▆▆▆13.013.0-15.099.0-14.067.039.0-11.036.0-2.03323.0-6533.0-25.083.0-6.0-436.0219.077.0217.0
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:Assets █▇▅▄▄▃▃▃▃▃▃▂▂▂▂▂▁▁▁3864603.03760676.03601356.03503319.03494436.03443287.03421034.03418318.03401105.03363364.03364402.03345529.03330759.03309230.03303754.03287968.03255942.03234893.03221701.0
us-gaap:Liabilities █▇▅▄▄▃▃▃▃▃▃▂▂▂▂▂▁▁▁3843910.03744199.03587411.03488711.03484094.03436922.03415673.03412078.03394130.03355905.03360464.03349215.03327111.03305513.03300375.03281897.03251766.03230824.03219582.0
us-gaap:LiabilitiesAndStockholdersEquity █▇▅▄▄▃▃▃▃▃▃▂▂▂▂▂▁▁▁3864603.03760676.03601356.03503319.03494436.03443287.03421034.03418318.03401105.03363364.03364402.03345529.03330759.03309230.03303754.03287968.03255942.03234893.03221701.0
us-gaap:StockholdersEquity █▇▆▆▅▄▄▄▄▄▃▁▃▃▃▄▃▃▃20693.016477.013945.014608.010342.06365.05361.06240.06975.07459.03938.0-3686.03648.03717.03379.06071.04176.04057.02107.0
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:CashAndCashEquivalentsAtCarryingValue ▄▅█▂▂▃▃▃▃▂▁▃▂▂▂▂▃▂▂37472.054510.080463.021184.022592.030791.027496.025557.027789.020853.010248.032110.023914.016904.024988.025224.026559.023619.018916.0
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▇▇█▃▃▃▂▂▂▂▁▃▂▂▂▃110988.0120224.0128708.061407.064498.060970.052241.049423.051031.048729.037360.060260.052051.047903.052309.062177.0NANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:LongTermDebt █▇▅▄▄▄▃▃▃▃▃▃▂▂▂▂▁▁▁3796278.03677725.03504219.03440724.03426046.03393678.03371939.03367024.03345848.03311424.03305588.03296298.03274792.03256655.03243645.03226737.03181059.03150667.03138531.0
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:ConsolidatedEntities srt:ParentCompany█▇▄▁▃▃▄▄▅289423.0275637.0228458.0182247.0213522.0216814.0221238.0232074.0246682.0NANA276752.0NANANANANANANA
 us-gaap:DebtAndCapitalLeaseObligations us-gaap:ConsolidatedEntities us-gaap:VariableInterestEntityPrimaryBeneficiary█▆▂▁3530381.03444338.03334098.03285139.0NANANANANANANANANANANANANANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:StockholdersEquity █▇▆▆▅▄▄▄▄▄▃▁▃▃▃▄▃▃▃20693.016477.013945.014608.010342.06365.05361.06240.06975.07459.03938.0-3686.03648.03717.03379.06071.04176.04057.02107.0
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest █▇▆▆▅▄▄▄▄▄▁▁▃20693.016477.013945.014608.010342.06365.05361.06240.06975.07459.0-3938.0-3700.03600.0NA3400.06071.04200.04100.02100.0
us-gaap:CommonStockValue ▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0687.0
us-gaap:RetainedEarningsAccumulatedDeficit █▇▆▆▅▃▃▃▃▄▂▁▃▃▃▄▃▃▃-112680.0-116909.0-119454.0-118776.0-123141.0-127104.0-128175.0-127335.0-126591.0-126143.0-129662.0-133805.0-126625.0-126531.0-126952.0-124253.0-126312.0-126638.0-128665.0
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▁▁▁▂▂▂▂▂▂▂▄▅▅▅▅▆██120.0133.0146.0131.0230.0216.0283.0322.0313.0349.0347.0553.0707.0682.0765.0759.0923.01130.01207.0
us-gaap:TreasuryStockValue ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁████7400.07400.07400.07400.07400.07400.07400.07400.07400.07400.07400.07400.07400.07400.07400.07401.07401.07401.07401.0
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▁█▆█▇██▇▇▇██▇██▇▇▇-37672.0-41496.02174.0-7930.0996.0364.01816.04044.0-121.0-266.0-1409.04133.03861.0-2411.02673.04016.0-767.0-871.0-3111.0
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▁▆█▆▆▆▆▅▇▄▆▆▆▆▆▇▇▇19855.0-20936.047664.072305.039241.048060.047446.040289.030058.064690.015816.048959.051181.049546.043525.048673.061443.053047.061816.0
us-gaap:NetCashProvidedByUsedInFinancingActivities ▅█▆▁▃▃▂▂▃▂▃▂▂▂▂▂▂▂▂8581.053948.017463.0-67466.0-36709.0-39695.0-46444.0-45941.0-27635.0-53055.0-37307.0-44896.0-48032.0-55219.0-46434.0-54024.0-57736.0-47473.0-54463.0
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▁█▆█▇██▇▇▇██▇██▇▇▇-37672.0-41496.02174.0-7930.0996.0364.01816.04044.0-121.0-266.0-1409.04133.03861.0-2411.02673.04016.0-767.0-871.0-3111.0
us-gaap:NetIncomeLoss █▆▅█▇▇▆▇▇██▁▇▇▇█▇▇▆4229.02545.0461.04365.03963.03432.02400.03230.04011.04457.04261.0-6533.03023.03200.02773.05035.03196.02946.01136.0
us-gaap:ProfitLoss █▆▅█▇▇▆▇▇██▁▇▇▇█▇▇▆4229.02545.0461.04365.03963.03432.02400.03230.04011.04457.04261.0-6533.03023.03200.02773.05035.03196.02946.01136.0
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▁▆█▆▆▆▆▅▇▄▆▆▆▆▆▇▇▇19855.0-20936.047664.072305.039241.048060.047446.040289.030058.064690.015816.048959.051181.049546.043525.048673.061443.053047.061816.0
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▅█▆▁▃▃▂▂▃▂▃▂▂▂▂▂▂▂▂8581.053948.017463.0-67466.0-36709.0-39695.0-46444.0-45941.0-27635.0-53055.0-37307.0-44896.0-48032.0-55219.0-46434.0-54024.0-57736.0-47473.0-54463.0
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value687687687687687687687687687687687687687687687687687687687687687687687687687687687687687687687687687687687687687687667667664
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.1

Shares Outstanding

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


Shares
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1158115811581158115811581158115811581158115811581158115811581158115811581119
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PreferredStock


Shares
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value556556556556556556556556556556556556556556556556556556577
Percentage of SharesOutstanding48.048.048.048.048.048.048.048.048.048.048.048.048.048.048.048.048.048.051.6

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1308130813081308130813081308130813081308130813081308130813081308130813081308130813081308130813081308130813081308130813081308130813081308130813081308127012701265
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Preferred Stock Shares Issued

us-gaap:PreferredStockSharesIssued

us-gaap:PreferredStockSharesIssued


Preferred
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-06-04
Value5555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555555765765791e-06
Percentage of PreferredStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1158115812001158115811581200115811581158115811581158115811581158115811581158115811581158115811581158115811581158115811581158115811581158115711571157111911181113
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

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value5893589358675893576258935893576258935762589357625762589357625762589358935893576257625893589357625762576257625893576257625893576258935761576057305698569556945692
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value5867586758675762576257625762576257625762576257625762576257625762576257625762576257625762576257625762576257625762576257625762576257625761576057305698569556945692
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0000.0200.010.0100.0100.58-1.1300.010-0.080.040.010.04-0.07-0.040.050.02-0.1-0.02-0.01-0.06-0.130.02-0.03-0.120.07-0.190.38-0.02-0.87-1.32-0.9-1.52-0.36-0.61-0.55-2.29
Percentage of EarningsPerShareBasic0.00.00.0100.00.0100.0100.00.0100.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0000.0200.010.0100.0100.56-1.1300.010-0.080.040.010.04-0.07-0.040.050.02-0.1-0.02-0.01-0.06-0.130.02-0.03-0.120.07-0.190.37-0.02-0.87-1.32-0.9-1.52-0.36-0.61-0.55-2.29
Percentage of EarningsPerShareDiluted0.00.00.0100.00.0100.0100.00.0100.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues Net Of Interest Expense

us-gaap:RevenuesNetOfInterestExpense

us-gaap:RevenuesNetOfInterestExpense


Revenues
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value6749586756556151563153964960512256405616555255426468535555956219561054604972
Percentage of RevenuesNetOfInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenuesNetOfInterestExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, srt:Multifamily


Revenues
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value806857962977991889815770891824833893836
Percentage of RevenuesNetOfInterestExpense11.914.617.015.917.616.516.415.015.814.715.016.112.9
Percentage of RevenuesNetOfInterestExpense11.914.617.015.917.616.516.415.015.814.715.016.112.9
Percentage of RevenuesNetOfInterestExpense us-gaap:OperatingSegments srt:Multifamily100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, srt:SingleFamily


Revenues
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value5943501046935174464045074145435247494792471946495632
Percentage of RevenuesNetOfInterestExpense88.185.483.084.182.483.583.685.084.285.385.083.987.1
Percentage of RevenuesNetOfInterestExpense88.185.483.084.182.483.583.685.084.285.385.083.987.1
Percentage of RevenuesNetOfInterestExpense us-gaap:OperatingSegments srt:SingleFamily100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Interest And Fee Income Loans And Leases

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestAndFeeIncomeLoansAndLeases


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value25810270072893828759288582937929768295412872328307280342721427047270112704725814256112625626961269932698026682270442758827779281652858828659282992805629224
Percentage of InterestAndFeeIncomeLoansAndLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense382.4460.3511.7467.5512.5544.5600.2576.7509.3504.0504.9491.1418.2504.4483.4415.1456.5480.9542.30.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestAndFeeIncomeLoansAndLeases fnm:UpdatedAccountingPolicy

fnm:NonAccrualLoans


Interest
Period End2020-09-30
Value763
Percentage of InterestAndFeeIncomeLoansAndLeases3.0
Percentage of RevenuesNetOfInterestExpense11.3
Percentage of RevenuesNetOfInterestExpense fnm:NonAccrualLoans0.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value762754749786749744744814740755750703664686684714661678688686952689723702706697672632646626641648588567564605591569605
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense11.312.913.212.813.313.815.015.913.113.413.512.710.312.812.211.511.812.413.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OperatingSegments, srt:Multifamily


General
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1281291201201151101131111041061079384
Percentage of GeneralAndAdministrativeExpense16.817.116.015.315.414.815.213.614.114.014.313.212.7
Percentage of RevenuesNetOfInterestExpense1.92.22.12.02.02.02.32.21.81.91.91.71.3
Percentage of RevenuesNetOfInterestExpense us-gaap:OperatingSegments srt:Multifamily15.915.112.512.311.612.413.914.411.712.912.810.410.0

us-gaap:OperatingSegments, srt:SingleFamily


General
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value634625629666634634631703636649643610580
Percentage of GeneralAndAdministrativeExpense83.282.984.084.784.685.284.886.485.986.085.786.887.3
Percentage of RevenuesNetOfInterestExpense9.410.711.110.811.311.712.713.711.311.611.611.09.0
Percentage of RevenuesNetOfInterestExpense us-gaap:OperatingSegments srt:SingleFamily10.712.513.412.913.714.115.216.213.413.513.613.110.3

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value19397215142407923484243122500425810253612397523480232822250722187223912203820333205162131422563222942178921449225012298423170238422444124473234852331123876250072635227743285872909730608318023215532475335443518536657
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense287.4366.7425.8381.8431.8463.4520.4495.1425.1418.1419.3406.1343.0418.1393.9326.9365.7390.4453.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense Long Term Debt

us-gaap:InterestExpenseLongTermDebt

us-gaap:InterestExpenseLongTermDebt


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value19378214602397723352241872488525685252242386123370231752243022115223342199420291204602125722512222472175221416224722295723144238212442124451234562327423833249672631427711285452904130542317213204832323333503501836539
Percentage of InterestExpenseLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense287.1365.8424.0379.6429.5461.2517.8492.5423.1416.1417.4404.7341.9417.1393.1326.3364.7389.3452.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Income Expense Net

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNet


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6656577753475850522951504733497353695377523251115274500253465805543552864769507755885677506751425184490447384851558256676304555953175428519741635186497249604637477642072789
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense98.698.594.695.192.995.495.497.195.295.794.292.281.593.495.593.396.996.895.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestIncomeExpenseNet us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, srt:Multifamily


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value786838806779745731694765699654671648647
Percentage of InterestIncomeExpenseNet11.814.515.113.314.214.214.715.413.012.212.812.712.3
Percentage of RevenuesNetOfInterestExpense11.614.314.312.713.213.514.014.912.411.612.111.710.0
Percentage of RevenuesNetOfInterestExpense us-gaap:OperatingSegments srt:Multifamily97.597.883.879.775.282.285.299.478.579.480.672.677.4

us-gaap:OperatingSegments, srt:SingleFamily


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value5870493945415071448444194039420846704723456144634627
Percentage of InterestIncomeExpenseNet88.285.584.986.785.885.885.384.687.087.887.287.387.7
Percentage of RevenuesNetOfInterestExpense87.084.280.382.479.681.981.482.282.884.182.280.571.5
Percentage of RevenuesNetOfInterestExpense us-gaap:OperatingSegments srt:SingleFamily98.898.696.898.096.698.097.496.798.398.696.796.082.2

us-gaap:InterestIncomeExpenseNet us-gaap:DerivativeInstrumentRisk

us-gaap:InterestRateContract


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-46.0-64.0-106.0-135.0-190.0-242.0-266.0-275.0-285.0-286.0-215.0-187.0-223.0-224.0-255.0-270.0-295.0-291.0-269.0-266.0-266.0
Percentage of InterestIncomeExpenseNet-0.7-1.1-2.0-2.3-3.6-4.7-5.6-5.5-5.3-5.3-4.1-3.7-4.2-4.5-4.8-4.7-5.4-5.5-5.6-5.2-4.8
Percentage of RevenuesNetOfInterestExpense-0.7-1.1-1.9-2.2-3.4-4.5-5.4-5.4-5.1-5.1-3.9-3.4-3.4-4.2-4.6-4.3-5.3-5.3-5.40.00.0
Percentage of RevenuesNetOfInterestExpense us-gaap:InterestRateContract0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value537832145785230499943213027405850565593539249564548478741567580472343441686357030306850275821305692541979098274100991208081147570181351192718-2406.0-5085.0-2985.0-6469.050-1340.0-1214.0-11596.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense79.754.810.285.088.880.161.079.289.699.697.189.470.389.474.3121.984.279.633.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, srt:Multifamily


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value560558492678804681718698656596695693655
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments10.417.485.113.016.115.823.717.213.010.712.914.014.4
Percentage of RevenuesNetOfInterestExpense8.39.58.711.014.312.614.513.611.610.612.512.510.1
Percentage of RevenuesNetOfInterestExpense us-gaap:OperatingSegments srt:Multifamily69.565.151.169.481.176.688.190.673.672.383.477.678.3

us-gaap:OperatingSegments, srt:SingleFamily


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value48182656864552419536402309336044004997469742633893
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments89.682.614.987.083.984.276.382.887.089.387.186.085.6
Percentage of RevenuesNetOfInterestExpense71.445.31.574.074.567.546.665.678.089.084.676.960.2
Percentage of RevenuesNetOfInterestExpense us-gaap:OperatingSegments srt:SingleFamily81.153.01.888.090.480.855.777.292.7104.399.591.769.1

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value1149669117865103688962782810451136113111489152515871383254515271398550110310702210870818178717522584181613551985-50600.00.00.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of RevenuesNetOfInterestExpense17.011.42.114.118.416.512.616.218.520.220.4207.323.629.624.740.927.225.611.10.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, srt:Multifamily


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value10011399131164120143118107921151202164
Percentage of IncomeTaxExpenseBenefit8.716.984.615.115.813.522.814.310.28.110.210.510.8
Percentage of RevenuesNetOfInterestExpense1.51.91.82.12.92.22.92.31.91.62.121.72.5
Percentage of RevenuesNetOfInterestExpense us-gaap:OperatingSegments srt:Multifamily12.413.210.313.416.513.517.515.312.011.213.8134.619.6

us-gaap:OperatingSegments, srt:SingleFamily


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value10495561873487276948471093810441016102871361
Percentage of IncomeTaxExpenseBenefit91.383.115.484.984.286.577.285.789.891.989.889.589.2
Percentage of RevenuesNetOfInterestExpense15.59.50.311.915.514.39.813.916.618.618.3185.621.0
Percentage of RevenuesNetOfInterestExpense us-gaap:OperatingSegments srt:SingleFamily17.711.10.414.218.817.111.716.319.821.821.5221.324.2

Income Taxes Paid

us-gaap:IncomeTaxesPaid

us-gaap:IncomeTaxesPaid


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value27500.00.06500.00.00.00.00.04600.0142060011000.05705312503607001003700.03400.0205042547486010160.00.00.0
Percentage of IncomeTaxesPaid100.00.00.0100.00.00.00.00.00.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.00.00.00.0
Percentage of RevenuesNetOfInterestExpense40.70.00.010.60.00.00.00.00.08.20.025.69.320.50.09.29.54.67.20.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4229254546143653963343224003230401144574261-6533.03023320027735035319629461136246719604640188813123905366753256458874410095586857570181351192718-2407.0-5085.0-2892.0-6471.065-1331.0-1223.0-11529.0
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense62.743.48.271.070.463.648.463.171.179.476.7-117.946.759.849.681.057.054.022.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OperatingSegments, srt:Multifamily


Profit
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value460445393547640561575580549504580-509.0491
Percentage of ProfitLoss10.917.585.212.516.116.324.018.013.711.313.67.816.2
Percentage of RevenuesNetOfInterestExpense6.87.66.98.911.410.411.611.39.79.010.4-9.27.6
Percentage of RevenuesNetOfInterestExpense us-gaap:OperatingSegments srt:Multifamily57.151.940.956.064.663.170.675.361.661.269.6-57.058.7

us-gaap:OperatingSegments, srt:SingleFamily


Profit
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value376921006838183323287118252650346239533681-6024.02532
Percentage of ProfitLoss89.182.514.887.583.983.776.082.086.388.786.492.283.8
Percentage of RevenuesNetOfInterestExpense55.835.81.262.159.053.236.851.761.470.466.3-108.739.1
Percentage of RevenuesNetOfInterestExpense us-gaap:OperatingSegments srt:SingleFamily63.441.91.473.871.663.744.060.972.982.578.0-129.645.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-13.0-13.015-99.014-67.0-39.09.0-36.02.0-323.025825-83.06.0-164.0-207.0-77.0-200.0-206.0253-281.0-92.0189545372133-134.0166654183746328362461-197.02.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense-0.2-0.20.3-1.60.2-1.2-0.80.2-0.60.0-5.84.70.4-1.50.1-2.6-3.7-1.4-4.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4216253247642663977336523613239397544593938-6687.0304831172779487129892869936226122134359179613304000371256976591861010261593397753255954473080-1946.0-5282.0-2890.0-6290.0-435.0-429.0447-10157.0
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense62.543.28.469.470.662.447.663.270.579.470.9-120.747.158.249.778.353.352.518.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4229254546143653963343224003230401144574261-6533.03023320027735035319629461136246619604640188813123905366653256457873710084586857570182151142719-2406.0-5085.0-2893.0-6471.073-1339.0-1218.0-11530.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense62.743.48.271.070.463.648.463.171.179.476.7-117.946.759.849.681.057.054.022.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4229254546143653963343224003230401144574261
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense62.743.48.271.070.463.648.463.171.179.476.7
Percentage of RevenuesNetOfInterestExpense us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4216253247642663977336523613239397544593938-6687.0304831172779487129892869936226022134359179613304000371156976590860310250593397753256754423081-1945.0-5282.0-2891.0-6290.0-431.0-437.0452-10158.0
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense62.543.28.469.470.662.447.663.270.579.470.9-120.747.158.249.778.353.352.518.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1313-15.099-14.06739-11.036-2.03323-6533.0-25.083-6.0-436.021977217-393.0-242.028192-608.0-94.0-46.0-367.0-734.0120-159.0-683.0418-1108.02185-98.0-5028.0-7579.0-5175.0-8686.72222-2081.0-3455.0-3125.0-13057.0
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense0.20.2-0.31.6-0.21.20.8-0.20.6-0.059.9-117.9-0.41.5-0.1-7.03.91.44.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3864603376067636013563503319349443634432873421034341831834011053363364336440233455293330759330923033037543287968325594232348933221701322191732307823225400323811332481763230316321881732265053270108328122232806653320675322242232262503195620320994032114843213877319611232270423221972869141
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:InvestmentType, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

srt:PartnershipInterest, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsus-gaap:
Period End2020-09-302020-06-302019-12-31
Value230016002000
Percentage of Assets0.10.00.1
Percentage of Assets0.10.00.1
Percentage of Assets srt:PartnershipInterest us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0

us-gaap:DebtSecurities, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsus-gaap:
Period End2020-09-302020-06-302019-12-31
Value10100112009500
Percentage of Assets0.30.30.3
Percentage of Assets0.30.30.3
Percentage of Assets us-gaap:DebtSecurities us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0

us-gaap:MortgageBackedSecurities, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsus-gaap:
Period End2020-09-302020-06-302019-12-31
Value190000170000130000
Percentage of Assets4.94.53.7
Percentage of Assets4.94.53.7
Percentage of Assets us-gaap:MortgageBackedSecurities us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3843910374419935874113488711348409434369223415673341207833941303355905336046433492153327111330551333003753281897325176632308243219582321785832267793219241323451732444563223917321270532184133260517326960532674223258307321519832238383192850320967232160553221668320119932354603224489884422
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets99.599.699.699.699.799.899.899.899.899.899.9100.199.999.999.999.899.999.999.999.999.999.899.999.999.899.899.799.799.699.698.199.899.999.9100.0100.1100.2100.2100.3100.1101.8

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3864603376067636013563503319349443634432873421034341831834011053363364336440233455293330759330923033037543287968325594232348933221701322191732307823225400323811332481763230316321881732265053270108328122232806653320675322242232262503195620320994032114843213877319611232270423221972869141
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2069316477139451460810342636553616240697574593938-3686.03648371733796071417640572107403039726118355536806349606280429541115681320862327718323592720210-4624.0-7853.0-5168.0-8499.0-2599.0-15372.0
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.40.40.40.30.20.20.20.20.20.1-0.10.10.10.10.20.10.10.10.10.10.20.10.10.20.20.20.30.40.41.90.20.10.10.0-0.1-0.2-0.2-0.3-0.1-1.8

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value374725451080463211842259230791274962555727789208531024832110239141690424988252242655923619189161467419915193132386022023163292084714056192283078424718234132111720674247282204917539243071427419831172971138227844304776812179333941
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.42.20.60.60.90.80.70.80.60.31.00.70.50.80.80.80.70.60.50.60.60.70.70.50.60.40.60.90.80.70.70.60.80.70.50.80.40.60.50.00.00.00.80.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value1109881202241287086140764498609705224149423510314872937360602605205147903523096217745553
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.93.23.61.81.81.81.51.41.51.41.11.81.61.41.61.91.4

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1495914178139992076522361198881783917004170221716017933190491722818072168242094220864195651821817553186741913820959199922021121400223922023123241244962027827939281212698123023253742592324134209592587530119
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.40.60.60.60.50.50.50.50.50.60.50.50.50.60.60.60.60.50.60.60.60.60.60.70.70.60.70.70.60.90.90.80.70.80.80.80.60.83.5

us-gaap:OtherAssets us-gaap:InvestmentType, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:MortgageBackedSecurities, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Other
Period End2020-09-302020-06-302019-12-31
Value424356
Percentage of OtherAssets0.30.30.3
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:MortgageBackedSecurities us-gaap:VariableInterestEntityNotPrimaryBeneficiary0.00.00.0

us-gaap:OtherAssets us-gaap:InvestmentType, us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:MortgageBackedSecurities, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Other
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value4556576065666970737473747377675384100
Percentage of OtherAssets0.30.30.30.30.40.40.40.40.40.40.40.40.40.40.30.30.50.6
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:MortgageBackedSecurities us-gaap:VariableInterestEntityNotPrimaryBeneficiary0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value37962783677725350421934407243426046339367833719393367024334584833114243305588329629832747923256655324364532267373181059315066731385313125721310942731158223111819311558331022773096775312734731600743160011313492431142493080801308784230670743038147
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets98.297.897.398.298.098.698.698.598.498.598.398.598.398.498.298.197.797.497.497.096.296.696.195.996.096.296.996.696.395.693.895.695.796.094.6

us-gaap:LongTermDebt us-gaap:ConsolidatedEntities

srt:ParentCompany


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value265897233387170121155585177710193913198167207178218434243375
Percentage of LongTermDebt7.06.34.94.55.25.75.96.26.57.4
Percentage of Assets6.96.24.74.45.15.65.86.16.47.3
Percentage of Assets srt:ParentCompany0.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType

srt:ParentCompany, fnm:SecuredBorrowings


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value21232731374146515778
Percentage of LongTermDebt0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets srt:ParentCompany fnm:SecuredBorrowings0.00.00.00.00.00.00.00.00.00.0

srt:ParentCompany, fnm:SeniorFixedBenchmarkNotesAndBonds


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value104323915878311586114916039788497710103206111190123541
Percentage of LongTermDebt2.72.52.42.52.72.92.93.13.33.7
Percentage of Assets2.72.42.32.52.62.82.93.03.33.7
Percentage of Assets srt:ParentCompany fnm:SeniorFixedBenchmarkNotesAndBonds0.00.00.00.00.00.00.00.00.00.0

srt:ParentCompany, fnm:SeniorFixedDebt


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value147520114586110114123958138718155850161605171344184212206863
Percentage of LongTermDebt3.93.13.13.64.04.64.85.15.56.3
Percentage of Assets3.83.03.13.54.04.54.75.05.46.2
Percentage of Assets srt:ParentCompany fnm:SeniorFixedDebt0.00.00.00.00.00.00.00.00.00.0

srt:ParentCompany, fnm:SeniorFixedMediumTermNotes


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value37983192632291932590409735134557220614556629775901
Percentage of LongTermDebt1.00.50.70.91.21.51.71.82.02.3
Percentage of Assets1.00.50.60.91.21.51.71.81.92.3
Percentage of Assets srt:ParentCompany fnm:SeniorFixedMediumTermNotes0.00.00.00.00.00.00.00.00.00.0

srt:ParentCompany, fnm:SeniorFixedOtherDebt


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value5214373640805254614266216675668367257421
Percentage of LongTermDebt0.10.10.10.20.20.20.20.20.20.2
Percentage of Assets0.10.10.10.10.20.20.20.20.20.2
Percentage of Assets srt:ParentCompany fnm:SeniorFixedOtherDebt0.00.00.00.00.00.00.00.00.00.0

srt:ParentCompany, fnm:SeniorFloatingConnecticutAvenueSecurity


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value15336177891947021424229772421025064256412565722527
Percentage of LongTermDebt0.40.50.60.60.70.70.70.80.80.7
Percentage of Assets0.40.50.50.60.70.70.70.80.80.7
Percentage of Assets srt:ParentCompany fnm:SeniorFloatingConnecticutAvenueSecurity0.00.00.00.00.00.00.00.00.00.0

srt:ParentCompany, fnm:SeniorFloatingDebt


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1183561187785998031596331723238131014301662867931328
Percentage of LongTermDebt3.13.21.70.91.01.00.90.90.91.0
Percentage of Assets3.13.21.70.90.90.90.90.90.80.9
Percentage of Assets srt:ParentCompany fnm:SeniorFloatingDebt0.00.00.00.00.00.00.00.00.00.0

srt:ParentCompany, fnm:SeniorFloatingMediumTermNotes


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value102585100556400789774977377735574417426758425
Percentage of LongTermDebt2.72.71.10.30.30.20.20.10.10.3
Percentage of Assets2.72.71.10.30.30.20.20.10.10.3
Percentage of Assets srt:ParentCompany fnm:SeniorFloatingMediumTermNotes0.00.00.00.00.00.00.00.00.00.0

srt:ParentCompany, fnm:SeniorFloatingOtherDebt


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value435433432398422398376351347376
Percentage of LongTermDebt0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets srt:ParentCompany fnm:SeniorFloatingOtherDebt0.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Long
Period End2020-09-302020-06-302019-12-31
Value353038134443383285139
Percentage of LongTermDebt93.093.795.5
Percentage of Assets91.491.693.8
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.0

us-gaap:LongTermDebt us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:VariableInterestEntityPrimaryBeneficiary


Long
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value333409832851393248336319976531737723159846312741430864603074693305292330168352934635
Percentage of LongTermDebt95.195.594.894.394.193.893.593.293.092.692.190.9
Percentage of Assets92.693.893.092.992.892.492.091.891.491.390.689.3
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.00.00.00.00.00.00.00.0

Debt And Capital Lease Obligations

us-gaap:DebtAndCapitalLeaseObligations us-gaap:ConsolidatedEntities

us-gaap:DebtAndCapitalLeaseObligations

srt:ParentCompany


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value289423275637228458182247213522216814221238232074246682276752
Percentage of DebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.57.36.35.26.16.36.56.87.38.3
Percentage of Assets srt:ParentCompany0.00.00.00.00.00.00.00.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Debt
Period End2020-09-302020-06-302020-03-312019-12-31
Value3530381344433833340983285139
Percentage of DebtAndCapitalLeaseObligations1219.81249.61459.41802.6
Percentage of Assets91.491.692.693.8
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2069316477139451460810342636553616240697574593938-3686.03648371733796071417640572107403039726118355536806349606280429541115681320862327718323592720210-4624.0-7853.0-5168.0-8499.0-2599.0-15372.0
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.40.40.40.30.20.20.20.20.20.1-0.10.10.10.10.20.10.10.10.10.10.20.10.10.20.20.20.30.40.41.90.20.10.10.0-0.1-0.2-0.2-0.3-0.1-1.8

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value206931647713945146081034263655361624069757459-3938.0-3700.0360034006071420041002100405940036159359637206399611280929591116171324362368722424122770268-4571.0-7791.0-5087.0-8418.0-2517.0-15281.0-15157.044118
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.40.40.40.30.20.20.20.20.2-0.1-0.10.10.10.20.10.10.10.10.10.20.10.10.20.20.30.30.40.41.90.20.10.10.0-0.1-0.2-0.2-0.3-0.1-1.80.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

fnm:SeniorPreferredStock


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value12083612083612083612083612083612083612083612083612083612083612083611714911714911714911714911714911714911257888600609001000
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest583.9733.4866.5827.21168.41898.42254.01936.51732.41620.0-3068.5-3166.21929.62886.23149.21221.41621.7-2462.9-3520.1-398.5-6.6
Percentage of Assets3.13.23.43.43.53.53.53.53.63.63.63.53.63.63.63.63.63.52.77.00.0
Percentage of Assets fnm:SeniorPreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value120133146131230216283322313349-347.0553759140717331203384-1235.0-1682.0-1732.0-7673.0-1362.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.60.81.00.92.23.45.35.24.54.78.8-14.912.534.746.612.55.327.066.811.350.6-3.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0-0.00.00.00.00.10.00.0-0.0-0.1-0.20.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value687687687687687687687687687687687687687687687687687687667664650593
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest3.34.24.94.76.610.812.811.09.89.2-17.4-18.611.316.918.57.29.5-15.0-26.5-4.3-4.31.3
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value19130191301913019130191301913019130191301913019130191301913019130191301913019130191301913020204203482122216913
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest92.4116.1137.2131.0185.0300.5356.8306.6274.3256.5-485.8-517.0315.1471.3514.2199.5264.8-418.5-802.7-133.2-140.038.3
Percentage of Assets0.50.50.50.50.50.60.60.60.60.60.60.60.60.60.60.60.60.60.62.30.00.0
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-112680.0-116909.0-119454.0-118776.0-123141.0-127104.0-128175.0-127335.0-126591.0-126143.0-129662.0-133805.0-124253.0-126942.0-127618.0-121227.0-122766.0-128381.0-102986.0-90237.0-26790.033548
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-544.5-709.5-856.6-813.1-1190.7-1996.9-2390.9-2040.6-1814.9-1691.23292.63616.4-2046.7-3127.4-3430.6-1264.0-1699.42808.64091.6590.5176.876.0
Percentage of Assets-2.9-3.1-3.3-3.4-3.5-3.7-3.7-3.7-3.7-3.8-3.9-4.0-3.8-3.9-3.9-3.7-3.8-4.0-3.2-10.40.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-7400.0-7400.0-7400.0-7400.0-7400.0-7400.0-7400.0-7400.0-7400.0-7400.0-7400.0-7400.0-7401.0-7401.0-7401.0-7401.0-7401.0-7403.0-7402.0-7398.0-7344.0-7512.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-35.8-44.9-53.1-50.7-71.6-116.3-138.0-118.6-106.1-99.2187.9200.0-121.9-182.3-199.0-77.2-102.5162.0294.148.448.5-17.0
Percentage of Assets-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.90.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value687687687687687687687687687687687687687687687687687687687687687687687687687687687687687687687687687687687687687687667667664
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.1

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-112680000000.0-116910000000.0-119450000000.0-118780000000.0-123140000000.0-127100000000.0-128180000000.0-127340000000.0-126590000000.0-126140000000.0-129660000000.0-133800000000.0-126620000000.0-126530000000.0-126950000000.0-124250000000.0-126310000000.0-126640000000.0-128660000000.0-126940000000.0-127210000000.0-124810000000.0-127650000000.0-127620000000.0-124930000000.0-125120000000.0-123100000000.0-121230000000.0-119070000000.0-117560000000.0-68276000000.0-122770000000.0-127410000000.0-126300000000.0-128480000000.0-128380000000.0-123360000000.0-115780000000.0-111670000000.0-102990000000.0-90237000000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-2.9-3.1-3.3-3.4-3.5-3.7-3.7-3.7-3.7-3.8-3.9-4.0-3.8-3.8-3.8-3.8-3.9-3.9-4.0-3.9-3.9-3.9-3.9-3.9-3.9-3.9-3.8-3.7-3.6-3.6-2.1-3.8-3.9-4.0-4.0-4.0-3.8-3.6-3.5-3.2-10.4

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value12013314613123021628332231334934755370768276575992311301207140716131360164117331715162015751203107012041038384201-545.0-873.0-1235.0-1696.0-1499.0-1501.0-1682.0-1732.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.00.00.00.00.00.00.0-0.0-0.0-0.0-0.1-0.0-0.0-0.1-0.2

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value74007400740074007400740074007400740074007400740074007400740074017401740174017401740174017401740174017401740174017401740174017401740174017401740374027402740074027398
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.9

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-37672.0-41496.02174-7930.099636418164044-121.0-266.0-1409.041333861-2411.026734016-767.0-871.0-3111.0-298.0-4869.0-257.0-1249.0-2298.0-2460.04741-1321.01385671611222-6420.04722814424249-114.0-8524.0-4619.0-4661.02566150524686-16248.0-30885.0
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense-558.2-707.338.4-128.917.76.736.679.0-2.1-4.7-25.474.659.7-45.047.864.6-13.7-16.0-62.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value19855-20936.0476647230539241480604744640289300586469015816489595118149546435254867361443530476181654540571757002766582488024245052694807216946011413316904110012014129010944411942915753013655891668112323123839158794130427142244108714
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense294.2-356.8842.91175.5696.9890.7956.6786.6532.91151.9284.9883.4791.3925.2777.9782.61095.2971.61243.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value85815394817463-67466.0-36709.0-39695.0-46444.0-45941.0-27635.0-53055.0-37307.0-44896.0-48032.0-55219.0-46434.0-54024.0-57736.0-47473.0-54463.0-59483.0-51704.0-74317.0-63496.0-40810.0-44508.0-50644.0-84572.0-82401.0-114783.0-178958.0-91404.0-145569.0-121642.0-140999.0-152906.0-134802.0-77016.0-113219.0-123871.0-167931.0-151575.0-128629.0-54164.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense127.1919.5308.8-1096.8-651.9-735.6-936.4-896.9-490.0-944.7-672.0-810.1-742.6-1031.2-829.9-868.7-1029.2-869.5-1095.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-37672.0-41496.02174-7930.099636418164044-121.0-266.0-1409.041333861-2411.026734016-767.0-871.0-3111.0-298.0-4869.0-257.0-1249.0-2298.0-2460.04741-1321.01385671611222-6420.04722814424249-114.0-8524.0-4619.0-4661.02566150524686-16248.0-30885.0
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense-558.2-707.338.4-128.917.76.736.679.0-2.1-4.7-25.474.659.7-45.047.864.6-13.7-16.0-62.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4229254546143653963343224003230401144574261-6533.03023320027735035319629461136246619604640188813123905366653256457873710084586857570182151142719-2406.0-5085.0-2893.0-6471.073-1339.0-1218.0-11530.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense62.743.48.271.070.463.648.463.171.179.476.7-117.946.759.849.681.057.054.022.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4229254546143653963343224003230401144574261
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense62.743.48.271.070.463.648.463.171.179.476.7
Percentage of RevenuesNetOfInterestExpense us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4229254546143653963343224003230401144574261-6533.03023320027735035319629461136246719604640188813123905366753256458874410095586857570181351192718-2407.0-5085.0-2892.0-6471.065-1331.0-1223.0-11529.0
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense62.743.48.271.070.463.648.463.171.179.476.7-117.946.759.849.681.057.054.022.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OperatingSegments, srt:Multifamily


Profit
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value460445393547640561575580549504580-509.0491
Percentage of ProfitLoss10.917.585.212.516.116.324.018.013.711.313.67.816.2
Percentage of RevenuesNetOfInterestExpense6.87.66.98.911.410.411.611.39.79.010.4-9.27.6
Percentage of RevenuesNetOfInterestExpense us-gaap:OperatingSegments srt:Multifamily57.151.940.956.064.663.170.675.361.661.269.6-57.058.7

us-gaap:OperatingSegments, srt:SingleFamily


Profit
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value376921006838183323287118252650346239533681-6024.02532
Percentage of ProfitLoss89.182.514.887.583.983.776.082.086.388.786.492.283.8
Percentage of RevenuesNetOfInterestExpense55.835.81.262.159.053.236.851.761.470.466.3-108.739.1
Percentage of RevenuesNetOfInterestExpense us-gaap:OperatingSegments srt:SingleFamily63.441.91.473.871.663.744.060.972.982.578.0-129.645.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value19855-20936.0476647230539241480604744640289300586469015816489595118149546435254867361443530476181654540571757002766582488024245052694807216946011413316904110012014129010944411942915753013655891668112323123839158794130427142244108714
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense294.2-356.8842.91175.5696.9890.7956.6786.6532.91151.9284.9883.4791.3925.2777.9782.61095.2971.61243.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value85815394817463-67466.0-36709.0-39695.0-46444.0-45941.0-27635.0-53055.0-37307.0-44896.0-48032.0-55219.0-46434.0-54024.0-57736.0-47473.0-54463.0-59483.0-51704.0-74317.0-63496.0-40810.0-44508.0-50644.0-84572.0-82401.0-114783.0-178958.0-91404.0-145569.0-121642.0-140999.0-152906.0-134802.0-77016.0-113219.0-123871.0-167931.0-151575.0-128629.0-54164.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenuesNetOfInterestExpense127.1919.5308.8-1096.8-651.9-735.6-936.4-896.9-490.0-944.7-672.0-810.1-742.6-1031.2-829.9-868.7-1029.2-869.5-1095.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

fnm:ChangeInExpectedCreditEnhancementRecoveries

fnm:ChangeInExpectedCreditEnhancementRecoveries


Change
Period End2020-09-302020-06-302019-06-30
Value48-273.00.0
Percentage of ChangeInExpectedCreditEnhancementRecoveries100.0100.00.0

fnm:ChangeInExpectedCreditEnhancementRecoveries us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, srt:SingleFamily


Change
Period End2020-09-30
Value48
Percentage of ChangeInExpectedCreditEnhancementRecoveries100.0

fnm:ChangeInExpectedCreditEnhancementRecoveries us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

srt:Multifamily


Change
Period End2020-06-302019-06-30
Value-65.00.0
Percentage of ChangeInExpectedCreditEnhancementRecoveries23.80.0

srt:SingleFamily


Change
Period End2020-06-302019-06-30
Value-208.00.0
Percentage of ChangeInExpectedCreditEnhancementRecoveries76.20.0

fnm:CreditEnhancementExpense

fnm:CreditEnhancementExpense


Credit
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value325360331290276171
Percentage of CreditEnhancementExpense100.0100.0100.0100.0100.0100.0

fnm:CreditEnhancementExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, srt:Multifamily


Credit
Period End2020-09-302019-09-30
Value5150
Percentage of CreditEnhancementExpense15.717.2

us-gaap:OperatingSegments, srt:SingleFamily


Credit
Period End2020-09-302019-09-30
Value274240
Percentage of CreditEnhancementExpense84.382.8

fnm:CreditEnhancementExpense us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

srt:Multifamily


Credit
Period End2020-06-302020-03-312019-06-302019-03-31
Value5319474.0
Percentage of CreditEnhancementExpense14.75.717.02.3

srt:SingleFamily


Credit
Period End2020-06-302020-03-312019-06-302019-03-31
Value307312229167
Percentage of CreditEnhancementExpense85.394.383.097.7

fnm:Creditrelatedincomeexpense

fnm:Creditrelatedincomeexpense


Creditrelatedincomeexpense
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value430-22.0-2663.012817611097510923557115755430-322.01233179-1440.05631538850
Percentage of Creditrelatedincomeexpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:Creditrelatedincomeexpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, srt:Multifamily


Creditrelatedincomeexpenseus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-48.0-238.0-413.0-42.014-29.0-8.0-11.0-25.0-2.021-7.0-28.0
Percentage of Creditrelatedincomeexpense-11.21081.815.5-32.80.8-2.6-1.6-1.2-4.5-0.238.2-1.68.7

us-gaap:OperatingSegments, srt:SingleFamily


Creditrelatedincomeexpenseus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value478216-2250.012417471126518934582115934437-294.0
Percentage of Creditrelatedincomeexpense111.2-981.884.596.999.2102.6101.6101.2104.5100.261.8101.691.3

fnm:FHFAassessmentfeesexpense us-gaap:RelatedPartyTransactionsByRelatedParty

fnm:FHFAassessmentfeesexpense

fnm:FederalHousingFinanceAgency


F
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value35353232302930292626293026263030282828282828282826262826282728
Percentage of FHFAassessmentfeesexpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:FairValueGainsLossesNet

fnm:FairValueGainsLossesNet


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-327.0-1018.0-276.084-713.0-754.0-831.0-539.03862291045-191.0-289.0-691.0-40.03890-491.0-1667.0-2813.0135-2589.02606-1919.0-2502.0-207.0-934.0-1190.0961335829834209-1020.0-2449.0283-751.0-4525.0-1634.0289366525303-1705.0
Percentage of FairValueGainsLossesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:FairValueGainsLossesNet us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, srt:Multifamily


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-83.012184-64.06.04.056-20.0-31.0-49.0110.011
Percentage of FairValueGainsLossesNet25.4-1.2-66.7-76.2-0.8-0.5-6.73.7-8.0-21.41.1-0.0-3.8

us-gaap:OperatingSegments, srt:SingleFamily


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-244.0-1030.0-460.0148-719.0-758.0-887.0-519.04172781034-191.0-300.0
Percentage of FairValueGainsLossesNet74.6101.2166.7176.2100.8100.5106.796.3108.0121.498.9100.0103.8

fnm:FinancingReceivableModificationsAverageInterestRateReductionPercentagePoint

fnm:FinancingReceivableModificationsAverageInterestRateReductionPercentagePoint


Financing
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value0.420.340.00320.00020.00150.0010.001-0.00020.00140.00130.0031-0.0010.00350.00670.00940.00030.00820.00720.0073-0.00010.00690.00770.0077-0.00050.00890.00990.0123-0.00050.01660.0170.0181-0.00080.02080.02340.0228-0.00190.02630.0337
Percentage of FinancingReceivableModificationsAverageInterestRateReductionPercentagePoint100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:ForeclosedRealEstateExpenseIncome

fnm:ForeclosedRealEstateExpenseIncome


Foreclosed
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value7110.080151961281401571591391621301403421713711063334477497182473369249-214.0-262.0
Percentage of ForeclosedRealEstateExpenseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:ForeclosedRealEstateExpenseIncome us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, srt:Multifamily


Foreclosed
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7.07.02.0-10.03.02.0-3.01.09.03.00.0-5.0-17.0
Percentage of ForeclosedRealEstateExpenseIncome9.970.02.5-6.63.11.6-2.10.65.72.20.0-3.8-12.1

us-gaap:OperatingSegments, srt:SingleFamily


Foreclosed
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value643.07816193126143156150136162135157
Percentage of ForeclosedRealEstateExpenseIncome90.130.097.5106.696.998.4102.199.494.397.8100.0103.8112.1

fnm:HomeAffordableModificationProgramAdministrativeExpenseReimbursement us-gaap:RelatedPartyTransactionsByRelatedParty

fnm:HomeAffordableModificationProgramAdministrativeExpenseReimbursement

fnm:UsTreasury


Home
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value5.04.05.05.05.05.05.06.06.07.08.09.011121214151618181616161820
Percentage of HomeAffordableModificationProgramAdministrativeExpenseReimbursement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:InvestmentGainsLossNet1

fnm:InvestmentGainsLossNet1


Investment
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value653149-158.0923253461133259166277250833313385-9.03224673986918129951434218717148395
Percentage of InvestmentGainsLossNet1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:InvestmentGainsLossNet1 us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, srt:Multifamily


Investment
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7053-6.0435544394920258.03827
Percentage of InvestmentGainsLossNet110.735.63.84.721.79.529.318.912.09.03.24.68.6

us-gaap:OperatingSegments, srt:SingleFamily


Investment
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value58396-152.088019841794210146252242795286
Percentage of InvestmentGainsLossNet189.364.496.295.378.390.570.781.188.091.096.895.491.4

fnm:PaymentOfCashDividendsOnSeniorPreferredStockToTreasury

fnm:PaymentOfCashDividendsOnSeniorPreferredStockToTreasury


Payment
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-292017-12-312017-09-292017-09-302017-06-302017-03-312016-12-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-282013-06-302013-03-292013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.00.00.023613240400045009380.06486483100311727795471300029772869919285922034359179619204000371256917191860010200594005940042244224292929292931281926212495228122162152211819091527
Percentage of PaymentOfCashDividendsOnSeniorPreferredStockToTreasury0.00.00.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:PaymentOfCashDividendsOnSeniorPreferredStockToTreasury us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Payment
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.00.00.00.02361324039754459938
Percentage of PaymentOfCashDividendsOnSeniorPreferredStockToTreasury0.00.00.00.0100.0100.099.499.1100.0

fnm:PaymentsForAdvancesToLenders

fnm:PaymentsForAdvancesToLenders


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value99202785574524845759411963144922991246512849227253278983433931815288302870343350388413232125635264013023531306308042877728723220442050124578381493796438471465564101930358261312755115373123441564629179218201279310338
Percentage of PaymentsForAdvancesToLenders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:SingleFamilyGuarantyFeeTemporaryPayrollTaxCutContinuationActOf2011

fnm:SingleFamilyGuarantyFeeTemporaryPayrollTaxCutContinuationActOf2011


Single
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value679660637626613600593586576565557544531518503487465453440429413397382367351335322
Percentage of SingleFamilyGuarantyFeeTemporaryPayrollTaxCutContinuationActOf2011100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:SingleFamilyGuarantyFeeTemporaryPayrollTaxCutContinuationActOf2011 us-gaap:ConsolidationItems, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, fnm:UsTreasury, srt:SingleFamily


Single
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value679660637626613600593586576565557544531
Percentage of SingleFamilyGuarantyFeeTemporaryPayrollTaxCutContinuationActOf2011100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:SingleFamilyGuarantyFeeTemporaryPayrollTaxCutContinuationActOf2011 us-gaap:RelatedPartyTransactionsByRelatedParty

fnm:UsTreasury


Single
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value67966063760061360059360257656555754453151850348746545344042941339738236735133532230627623318613478260.0
Percentage of SingleFamilyGuarantyFeeTemporaryPayrollTaxCutContinuationActOf2011100.0100.0100.095.8100.0100.0100.0102.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.0

fnm:UnpaidPrincipalBalanceOfPortfolioSecuritizations

fnm:UnpaidPrincipalBalanceOfPortfolioSecuritizations


Unpaid
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value213000202900890009090089000573004140047600649005160064300582006810069200573007600076100643004830045700554006200048900473004420036400325004450052200625006940071500655004640041700398002200027300
Percentage of UnpaidPrincipalBalanceOfPortfolioSecuritizations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AffordableHousingProgramAssessments us-gaap:IncomeStatementLocation, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:AffordableHousingProgramAssessments

us-gaap:OtherExpense, fnm:UsTreasury


Affordable
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value5955303032211518201918-7.032292941403125-57.0566018
Percentage of AffordableHousingProgramAssessments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForLoanAndLeaseLossRecoveryOfBadDebts

us-gaap:AllowanceForLoanAndLeaseLossRecoveryOfBadDebts


Allowance
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value4.04.09.01745486864605344147857314111512089168261622316275458391-4764.02945721272-3105.0350
Percentage of AllowanceForLoanAndLeaseLossRecoveryOfBadDebts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForLoanAndLeaseLossRecoveryOfBadDebts us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

srt:Multifamily


Allowance
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-30
Value1.01.01.02.00.0-3.03.00.00.02.0
Percentage of AllowanceForLoanAndLeaseLossRecoveryOfBadDebts25.025.011.111.80.0-6.24.40.00.04.5

srt:SingleFamily


Allowance
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3.03.08.01545516564605342
Percentage of AllowanceForLoanAndLeaseLossRecoveryOfBadDebts75.075.088.988.2100.0106.295.6100.0100.0100.095.5

us-gaap:AllowanceForLoanAndLeaseLossesAdjustmentsNet

us-gaap:AllowanceForLoanAndLeaseLossesAdjustmentsNet


Allowance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value2340-28.00.00.0-7.01.01.0-2.0-16.0-1.0-50.0-17.0-8.0-30.0-186.010.0
Percentage of AllowanceForLoanAndLeaseLossesAdjustmentsNet100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForLoanAndLeaseLossesAdjustmentsNet us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

srt:SingleFamily


Allowance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2340-28.00.00.0-7.01.01.0-2.0-16.0-1.0-8.017
Percentage of AllowanceForLoanAndLeaseLossesAdjustmentsNet100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.016.0-100.0

us-gaap:AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ValuationAllowancesAndReservesType

us-gaap:AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease

srt:SingleFamily, fnm:AllowanceForLoansRedesignatedFromHFIToHFS


Allowance
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-227.00.0-9.0-227.0-479.0-240.0
Percentage of AllowanceForLoanAndLeaseLossesPeriodIncreaseDecrease100.00.0100.0100.0100.0100.0

us-gaap:AllowanceForLoanAndLeaseLossesWriteOffs

us-gaap:AllowanceForLoanAndLeaseLossesWriteOffs


Allowance
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value89-2522.0272562381-3862.0509732469-4964.043768910405536088211284156177720745362139815611911159916042325221827202811354139914796468641136218
Percentage of AllowanceForLoanAndLeaseLossesWriteOffs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForLoanAndLeaseLossesWriteOffs us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

srt:Multifamily


Allowance
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value19-14.02.04.00.0-9.00.01.04.0-6.03.0
Percentage of AllowanceForLoanAndLeaseLossesWriteOffs21.30.60.70.70.00.20.00.10.90.10.7

srt:SingleFamily


Allowance
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value70-2508.0270558381-3853.0509731465-4958.0434
Percentage of AllowanceForLoanAndLeaseLossesWriteOffs78.799.499.399.3100.099.8100.099.999.199.999.3

us-gaap:AllowanceForLoanAndLeaseLossesWriteOffs us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ValuationAllowancesAndReservesType

srt:SingleFamily, fnm:AllowanceForLoansRedesignatedFromHFIToHFS


Allowance
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value7370.0184780902467
Percentage of AllowanceForLoanAndLeaseLossesWriteOffs0.00.0206.7286.8160.5122.6

us-gaap:AvailableForSaleSecuritiesGrossRealizedGains

us-gaap:AvailableForSaleSecuritiesGrossRealizedGains


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value159.021940.0110610.0120.0363227302273.01984002342111599441340074963963.011213381739.08.05.09.018341573
Percentage of AvailableForSaleSecuritiesGrossRealizedGains100.0100.0100.0100.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect


Cash
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-9236.0-8484.067301-3091.0352887292818-1608.0230211369-22900.082094148-4406.0-9868.0
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers

us-gaap:CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers


Cash
Period End2020-09-302014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value4160.00.00.0414875176193183163133236143513
Percentage of CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashFlowsBetweenTransferorAndTransfereeBeneficialInterest us-gaap:QualitativeAndQuantitativeInformationTransferorsContinuingInvolvementTransferredFinancialAssetsByTransferOrTransferee

us-gaap:CashFlowsBetweenTransferorAndTransfereeBeneficialInterest

us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Cash
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value166170181170187122116117114128226246294303257293284315308281273296350400386373340300434469459500563636694800777715
Percentage of CashFlowsBetweenTransferorAndTransfereeBeneficialInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskPercentage1 fnm:ServiceProviders, us-gaap:CounterpartyName, us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:ConcentrationRiskPercentage1

fnm:DepositoryServicer, fnm:OtherTopServicers, srt:SingleFamily, fnm:GuarantyBookOfBusiness, us-gaap:CreditConcentrationRisk


Concentration
Period End2020-03-312019-03-31
Value0.140.15
Percentage of ConcentrationRiskPercentage1100.0100.0

fnm:DepositoryServicer, fnm:WellsFargoBankN.A., srt:SingleFamily, fnm:GuarantyBookOfBusiness, us-gaap:CreditConcentrationRisk


Concentration
Period End2020-03-312019-03-31
Value0.170.18
Percentage of ConcentrationRiskPercentage1121.4120.0

fnm:NonDepositoryServicer, fnm:GroupOfLargestMortgageServicersIncludingAffiliates, srt:SingleFamily, fnm:GuarantyBookOfBusiness, us-gaap:CreditConcentrationRisk


Concentration
Period End2020-03-312019-03-31
Value0.280.25
Percentage of ConcentrationRiskPercentage1200.0166.7

us-gaap:ConcentrationRiskPercentage1 us-gaap:CounterpartyName, us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

fnm:ArchCapitalGroupLtd., srt:SingleFamily, fnm:GuarantyBookOfBusiness, fnm:InsuranceServiceProviderConcentrationRisk


Concentration
Period End2020-03-312019-03-31
Value0.230.24
Percentage of ConcentrationRiskPercentage1164.3160.0

fnm:EssentGuarantyInc, srt:SingleFamily, fnm:GuarantyBookOfBusiness, fnm:InsuranceServiceProviderConcentrationRisk


Concentration
Period End2020-03-312019-03-31
Value0.130.12
Percentage of ConcentrationRiskPercentage192.980.0

fnm:GenworthMortgageInsuranceCorp., srt:SingleFamily, fnm:GuarantyBookOfBusiness, fnm:InsuranceServiceProviderConcentrationRisk


Concentration
Period End2020-03-312019-03-31
Value0.160.15
Percentage of ConcentrationRiskPercentage1114.3100.0

fnm:GroupOfLargestMortgageServicersIncludingAffiliates, srt:SingleFamily, fnm:GuarantyBookOfBusiness, us-gaap:CreditConcentrationRisk


Concentration
Period End2020-03-312019-03-31
Value0.590.58
Percentage of ConcentrationRiskPercentage1421.4386.7

fnm:OtherTopServicers, srt:Multifamily, fnm:GuarantyBookOfBusiness, us-gaap:CreditConcentrationRisk


Concentration
Period End2020-03-312019-03-31
Value0.230.22
Percentage of ConcentrationRiskPercentage1164.3146.7

fnm:RadianGuarantyInc, srt:SingleFamily, fnm:GuarantyBookOfBusiness, fnm:InsuranceServiceProviderConcentrationRisk


Concentration
Period End2020-03-312019-03-31
Value0.20.21
Percentage of ConcentrationRiskPercentage1142.9140.0

fnm:WellsFargoBankN.A., srt:Multifamily, fnm:GuarantyBookOfBusiness, us-gaap:CreditConcentrationRisk


Concentration
Period End2020-03-312019-03-31
Value0.130.14
Percentage of ConcentrationRiskPercentage192.993.3

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DerivativeGainLossOnDerivativeNet


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-294.0-569.0-1365.0106-668.0-853.0-695.0-763.0360-38.0863-327.0-396.0-494.0323604-149.0-1557.0-2733.0524-2765.02481-1753.0-2753.0-480.0-1246.0-1285.09865441188562107-1324.0-2383.0-26.0-769.0-4255.0-1677.0
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentRisk

fnm:MortgageCommitmentDerivatives


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-672.0-662.0-993.0-97.0-177.0-469.0-300.0-282.0118-76.0564-83.0-248.0-192.0-80.01233-216.0-367.0-362.034-361.0173-239.0-412.0-73.0-310.0-345.042-169.0497131-105.0-816.0-562.0-205.0-197.0-188.0-61.0
Percentage of DerivativeGainLossOnDerivativeNet228.6116.372.7-91.526.555.043.237.032.8200.065.425.462.638.9-250.034.2145.023.613.26.513.17.013.615.015.224.926.84.3-31.141.823.3-98.161.623.6788.525.64.43.6

fnm:PayFixedSwap


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value634-94.0-4029.0949-1414.0-2164.0-1335.0-1844.010349672783996300-691.069168011386-2257.0-5173.02374-4402.0
Percentage of DerivativeGainLossOnDerivativeNet-215.616.5295.2895.3211.7253.7192.1241.7287.2-2544.7322.5-304.6-75.8139.92159.4188.7-930.2145.0189.3453.1159.2

fnm:PayFixedSwaption


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2.0-13.0-148.050-110.0-143.0-177.0-132.06736129-73.0-40.0-48.00.0137-3.04.025-2.032
Percentage of DerivativeGainLossOnDerivativeNet-0.72.310.847.216.516.825.517.318.6-94.714.922.310.19.70.03.82.0-0.3-0.9-0.4-1.2

fnm:ReceiveFixedSwap


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-550.01913343-446.0966188412811674-524.0-597.0-2387.0-971.0-202.0639-317.0-4089.0-1020.013712987-1611.02295
Percentage of DerivativeGainLossOnDerivativeNet187.1-33.6-244.9-420.8-144.6-220.9-184.3-219.4-145.61571.1-276.6296.951.0-129.4-990.6-113.5684.6-88.1-109.3-307.4-83.0

fnm:ReceiveFixedSwaption


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-60.025632-192.0209937.033-34.0-22.0-16.0-26.0-8.0-8.0-18.0-104.010.0-19.0-117.088-102.0
Percentage of DerivativeGainLossOnDerivativeNet20.4-4.4-46.3-181.1-31.3-10.9-1.0-4.3-9.457.9-1.98.02.01.6-56.2-2.9-6.71.24.316.83.7

us-gaap:BasisSwap


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-5.01756-29.024272410.0-5.0-3.0-23.0-3.01.0167.0-72.02.01435-21.037
Percentage of DerivativeGainLossOnDerivativeNet1.7-3.0-4.1-27.4-3.6-3.2-3.5-1.3-1.47.9-2.70.9-0.3-3.221.9-2.0-1.3-0.9-1.3-4.0-1.3

us-gaap:CurrencySwap


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value234.0-38.033-11.0-17.019-16.0-10.0-41.01613131112-39.0-6.0-34.03.0-27.0-20.0
Percentage of DerivativeGainLossOnDerivativeNet-7.8-0.72.831.11.62.0-2.72.1-2.8107.91.9-4.0-3.3-2.237.5-1.14.02.2-0.1-5.20.7

us-gaap:Future


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0-4.0-71.0-23.04219559410.0-11.08.0
Percentage of DerivativeGainLossOnDerivativeNet-0.00.75.2-21.7-6.3-22.9-8.5-5.40.028.90.9

us-gaap:InterestRateContract


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-2.062-361.0207-484.0-367.0-388.0-507.024238299-244.0-148.0-302.0112237167-1190.0-2371.0490-2404.02308-1514.0-2341.0-407.0-936.0-940.0944713691431212-508.0-1821.0179-572.0-4067.0-1616.0
Percentage of DerivativeGainLossOnDerivativeNet0.7-10.926.4195.372.543.055.866.467.2-100.034.674.637.461.1350.065.8-45.076.486.893.586.993.086.485.084.875.173.295.7131.158.276.7198.138.476.4-688.574.495.696.4

us-gaap:OtherContract


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value38031-11.0-4.0-7.0-17.0-7.031-1.0-16.0127.0113.0-8.07.0-7.022138-45.022
Percentage of DerivativeGainLossOnDerivativeNet-129.3-5.40.8-3.81.02.01.0-4.1-0.342.11.4-2.1-2.8-0.6-25.00.24.7-1.4-5.0-8.6-0.8

us-gaap:FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss us-gaap:BalanceSheetLocation

us-gaap:FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss

us-gaap:Derivative


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value3725244-36.015184496-27.0-14.0-22.010.0-14.09.0-9.0-173.0-18.04166-25.028-40.039
Percentage of FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Mortgages


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value3612-26.0-2.010.01411-3.02.08.0114.06.019-1.0-7.06.010.013-3.0-24.0-6.019
Percentage of FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss9.723.1-59.15.666.777.825.0-3.1-7.4-57.1-50.040.0-42.9211.111.14.0-33.324.419.712.0-85.715.048.7

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.05.0-10.0-3.01.02.02.02.02.03.01.0-2.026
Percentage of FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss0.09.6-22.78.36.711.14.52.1-7.4-21.4-4.5-20.0-185.7

us-gaap:FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities, us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMA


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.00.0-10.0-3.01.02.02.02.02.03.01.03.027
Percentage of FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss0.00.0-22.78.36.711.14.52.1-7.4-21.4-4.530.0-192.9

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities, us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises


Fair
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value5.00.00.00.00.00.00.00.00.00.0-5.0-1.0
Percentage of FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss9.60.0-0.00.00.00.00.0-0.0-0.0-0.0-50.07.1

us-gaap:FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass, us-gaap:IncomeStatementLocation

us-gaap:AvailableforsaleSecurities, us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMA, us-gaap:OtherComprehensiveIncome


Fair
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-3.03.0-2.03.03.02.01.0-1.03.0-3.0
Percentage of FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss-5.86.85.620.016.74.51.03.7-21.413.6

us-gaap:AvailableforsaleSecurities, us-gaap:MortgageBackedSecuritiesOther, us-gaap:OtherComprehensiveIncome


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.00.0-1.01.0-2.0-3.0-4.0-2.0-6.08.00.0
Percentage of FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss1.10.0-2.3-2.8-13.3-16.7-9.1-2.122.2-57.1-0.0

us-gaap:AvailableforsaleSecurities, us-gaap:USStatesAndPoliticalSubdivisions, us-gaap:OtherComprehensiveIncome


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.01.04.00.00.00.00.01.0-2.08.0-8.0
Percentage of FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss0.01.99.1-0.00.00.00.01.07.4-57.136.4

us-gaap:FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss us-gaap:BalanceSheetLocation, us-gaap:IncomeStatementLocation

us-gaap:AvailableforsaleSecurities, us-gaap:OtherComprehensiveIncome


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.0-2.06.0-1.01.00.0-2.00.0-9.019-10.0
Percentage of FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss1.1-3.813.62.86.70.0-4.50.033.3-135.745.5

us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss us-gaap:BalanceSheetLocation

us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss

us-gaap:LongTermDebt


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-4.0-26.0-30.023-25.0-23.0-26.0-3.07.02.020-12.0-9.0-19.0-2.072-9.0-22.0-28.06.0-23.052-40.0
Percentage of FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:LongTermDebt


Fair
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-1.0-2.04.0-1.0-1.0-1.0
Percentage of FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss25.07.7-13.34.04.33.8

us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation, us-gaap:LongtermDebtType

srt:ParentCompany, us-gaap:LongTermDebt, fnm:SeniorFloatingDebt


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-3.0-24.0-34.024-24.0-22.0-25.0-4.07.03.019-7.0-4.0
Percentage of FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss75.092.3113.3104.396.095.796.2133.3100.0150.095.058.344.4

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3 us-gaap:BalanceSheetLocation

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3

us-gaap:LongTermDebt


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1.08.0150.07.02.0748522594847117575456164432122652666
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3 us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:LongTermDebt


Fair
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value1.08.0157.02.074
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3 us-gaap:BalanceSheetLocation

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3

us-gaap:LongTermDebt


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1.01.00.011201204938172177154159141226675958.03786335950
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3 us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:LongTermDebt


Fair
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value1.01.00.02012049
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3100.0100.00.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1 us-gaap:BalanceSheetLocation

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1

us-gaap:AvailableforsaleSecurities


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value6.0-3.0-14.02.00.010.07.07.08.0-3.018585.0342.01711580104163112398166
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Derivative


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value3804941-30.021209866-18.0-28.0-58.0-7.0182773-228.01152180-35.079-126.027
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings16333.3-1633.3-292.9-1500.00.0200.01400.0942.9-225.0933.3-322.2-12.1360.079.43650.0-1341.29.665.0173.1-21.570.5-31.716.3

us-gaap:Mortgages


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value4115-24.01.01417143.07.011174.09.0248.0-10.0231510110.09.04.034
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1683.3-500.0171.450.00.0170.0200.042.987.5-366.794.46.9180.070.6400.0-58.820.018.897.16.18.01.020.5

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-4.07.0-9.0-2.02.01.02.00.0-3.0-5.0852714
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1-66.7-233.364.3-100.00.010.028.60.0-37.5166.7472.246.6280.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1 us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass

us-gaap:AvailableforsaleSecurities, us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMA


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1.00.00.00.00.00.00.01.00.01.00.01.00.00.01.00.00.00.00.00.00.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings116.7-0.0-0.00.00.00.00.014.30.0-33.30.01.70.00.050.00.00.00.00.00.00.00.00.0

us-gaap:AvailableforsaleSecurities, us-gaap:MortgageBackedSecuritiesOther


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value5.0-3.0-11.02.0-1.05.07.07.07.07.07.08.00.00.00.00.00.03.0-3.0-6.07345-138.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings183.3100.078.6100.00.050.0100.0100.087.5-233.338.913.80.00.00.00.00.03.8-2.9-3.765.211.3-83.1

us-gaap:AvailableforsaleSecurities, us-gaap:USStatesAndPoliticalSubdivisions


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.0-3.00.01.00.00.0-1.01.0-11.011-5.05.0341.01735764.07.04.01723
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings10.0-0.021.40.00.00.00.0-14.312.5366.761.1-8.6100.0100.050.0100.030.495.03.84.33.64.313.9

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities, us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMA


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.00.0-9.0-2.02.01.02.00.0-3.0-5.01712116
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings10.0-0.064.3-100.00.010.028.60.0-37.5166.7950.036.2320.0

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities, us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-4.07.00.00.00.00.00.00.00.00.0-85.09.0-2.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1-66.7-233.3-0.00.00.00.00.00.00.0-0.0-472.215.5-40.0

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities, us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Fair
Period End2020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-31
Value0.00.00.00.00.00.00.0-1.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1-0.0-0.00.00.00.00.0-0.0-5.6

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss us-gaap:BalanceSheetLocation

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss

us-gaap:AvailableforsaleSecurities


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value7.0-3.05.0-2.01.0-9.0-1.0-2.0-11.024-64.0-44.011-54.011-49.0-93.026-163.0-194.0-177.0-303.013
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass

us-gaap:AvailableforsaleSecurities, us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMA


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value2.0-4.04.0-2.03.02.04.02.0-1.04.0-4.01.00.0-3.01.00.00.00.00.00.00.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss28.6133.380.0100.0300.0-22.2-400.0-100.09.116.76.2-2.30.05.69.1-0.0-0.00.0-0.0-0.0-0.0-0.00.0

us-gaap:AvailableforsaleSecurities, us-gaap:MortgageBackedSecuritiesOther


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value5.00.0-1.01.0-1.0-5.0-5.0-3.0-7.010.0-2.0-1.04.0-19.05.08.06.0-1.0-25.08.0-95.0-55.0140
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss71.4-0.0-20.0-50.0-100.055.6500.0150.063.641.73.12.336.435.245.5-16.3-6.5-3.815.3-4.153.718.21076.9

us-gaap:AvailableforsaleSecurities, us-gaap:USStatesAndPoliticalSubdivisions


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.01.02.0-1.0-1.0-1.00.0-1.0-3.010.0-13.04.0-3.0-11.0-1.0-59.0-23.01830-48.0-29.0-79.052
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss0.0-33.340.050.0-100.011.1-0.050.027.341.720.3-9.1-27.320.4-9.1120.424.769.2-18.424.716.426.1400.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues us-gaap:BalanceSheetLocation

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues

us-gaap:Derivative


Fair
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value000000000000000-1000000.0-3000000.0-4000000.0-4000000.0000
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0100.0100.00.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases us-gaap:BalanceSheetLocation

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases

us-gaap:AvailableforsaleSecurities


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.03420.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0182239
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases0.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0

us-gaap:Mortgages


Fair
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.00.00.00.00.00.00.00.00.05.00.00.00.07.04.0250.00.00.02.03.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.01.11.3

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities


Fair
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.00.00.0770.00.00.00.00.01.0360.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass

us-gaap:AvailableforsaleSecurities, us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMA


Fair
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0182239
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.0

us-gaap:AvailableforsaleSecurities, us-gaap:MortgageBackedSecuritiesOther


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.02680.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases0.00.078.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AvailableforsaleSecurities, us-gaap:USStatesAndPoliticalSubdivisions


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.0740.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases0.00.021.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities, us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMA


Fair
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.00.00.0770.00.00.00.00.01.01.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales us-gaap:BalanceSheetLocation

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales

us-gaap:AvailableforsaleSecurities


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.03421.00.0270.00.04.07.0111195931213316324769132273277421031317
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales0.00.0100.0100.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Mortgages


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value110.00.01227130.00.00.00.00.00.00.00.00.00.0720.03200.00.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales0.00.00.01200.00.048.10.00.00.00.00.00.00.00.00.00.022.20.024.20.00.00.00.0

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value950.00.08.00.0140.0-1.00.00.01060600.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales0.00.00.0800.00.051.90.00.00.00.09636.450.40.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass

us-gaap:AvailableforsaleSecurities, us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMA


Fair
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.012226934
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.015.812.82.6

us-gaap:AvailableforsaleSecurities, us-gaap:MortgageBackedSecuritiesOther


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.02680.00.00.00.00.00.00.00.05.00.00.00.00.00.02014040.06443680.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales0.00.078.40.00.00.00.00.00.00.00.04.20.00.00.00.00.026.130.60.083.217.50.0

us-gaap:AvailableforsaleSecurities, us-gaap:USStatesAndPoliticalSubdivisions


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.0741.00.04.00.00.04.07.0119.0593121231720156843868.0154162
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales0.00.021.6100.00.014.80.00.0100.0100.0100.07.6100.0100.092.3100.362.073.93.311.71.07.312.3

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities, us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMA


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.00.00.08.00.0140.0-1.00.00.010600.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales0.00.00.0800.00.051.90.00.00.00.09636.40.00.0

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities, us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value940.00.00.00.00.00.00.00.00.00.0810.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales0.00.00.00.00.00.00.00.00.00.00.068.10.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements us-gaap:BalanceSheetLocation

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements

us-gaap:AvailableforsaleSecurities


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value48482940287218405040133889149114117142128305358587475712
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Derivative


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value7.0-3.04.0-7.06.03189-60.01.0-12.0-4.0-18.016168.0-54.04333100-143.032-64.06.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements14.6-6.213.8-17.521.443.1494.4-150.02.0-30.0-3.0-20.517.632.77.0-46.230.325.832.8-39.95.5-13.50.8

us-gaap:Mortgages


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value3925293135363442477948585855625660677277979977
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements81.252.1100.077.5125.050.0188.9105.094.0197.536.165.963.7112.254.447.942.352.323.621.516.520.810.8

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.03.00.00.00.0161.01.00.00.06.05.09.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements0.06.20.00.00.022.25.62.50.00.04.55.79.9

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass

us-gaap:AvailableforsaleSecurities, us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMA


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value9.02.01.00.01.07.00.02.03.03.02.01.02.02.04.00.00.00.00.00.08.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements18.84.23.40.03.69.70.05.06.07.51.51.12.24.13.50.00.00.00.00.01.40.00.0

us-gaap:AvailableforsaleSecurities, us-gaap:MortgageBackedSecuritiesOther


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value162710.0119.09.08.010.09.011111514181715206.03342487166
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements33.356.234.527.532.112.544.425.018.027.58.317.015.436.714.912.814.14.710.811.78.214.99.3

us-gaap:AvailableforsaleSecurities, us-gaap:USStatesAndPoliticalSubdivisions


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value2319182918569.0283625119686723759411561128105205173376
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements47.939.662.172.564.377.850.070.072.062.589.577.373.646.965.880.381.047.742.029.334.936.452.8

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities, us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMA


Fair
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.00.00.00.0160.01.00.00.00.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements0.00.00.00.022.20.02.50.00.00.00.00.0

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities, us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.03.00.00.00.00.01.00.00.00.05.07.09.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements0.06.20.00.00.00.05.60.00.00.03.88.09.9

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities, us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Fair
Period End2020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-31
Value0.00.00.00.00.00.00.01.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements0.00.00.00.00.00.00.00.8

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3 us-gaap:BalanceSheetLocation

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3

us-gaap:AvailableforsaleSecurities


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.026614-1.0400.0850.00.00.00.0208.00.0302341.00.01.00.02611313
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel30.0100.0100.0100.0100.00.0100.00.00.00.00.0100.0100.00.0100.0100.0100.00.0100.00.0100.0100.0100.0

us-gaap:Derivative


Fair
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.0-12.00.00.00.00.00.00.00.0-3.0-1.00.0-1.0-2.01.01.00.00.09.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel30.00.01200.00.00.00.00.00.00.00.0-15.0-12.50.0-3.3-0.9100.00.00.00.034.60.00.0

us-gaap:Mortgages


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1211902630452745423135537226225259151519090707574
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel30.071.4185.7-3000.0112.50.052.90.00.00.00.0360.0325.00.0173.325.21500.00.019000.00.0269.2681.823.6

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value274.01379.02.036330.00.01.00.0247.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel30.01.5978.6-900.05.00.038.80.00.00.00.0120.087.5

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3 us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass

us-gaap:AvailableforsaleSecurities, us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMA


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.026414-1.0400.0840.00.00.00.0208.00.0302300.00.01.00.01.0110.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel30.099.2100.0100.0100.00.098.80.00.00.00.0100.0100.00.0100.098.30.00.0100.00.03.8100.00.0

us-gaap:AvailableforsaleSecurities, us-gaap:MortgageBackedSecuritiesOther


Fair
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.00.00.00.01.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel30.00.0-0.00.00.01.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities, us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMA


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value264.04310.00.036330.00.01.00.0247.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel30.01.5307.1-1000.00.00.038.80.00.00.00.0120.087.5

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities, us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.00.0940.00.00.00.00.00.00.00.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel30.00.0671.4-0.00.00.00.00.00.00.00.00.00.0

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities, us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-31
Value1.00.00.0-1.02.00.00.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel30.00.00.0100.05.00.00.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3 us-gaap:BalanceSheetLocation

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3

us-gaap:AvailableforsaleSecurities


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value2180.00.01.00.06441490.00.04.09.01621301.00.02.031250.01.0228311
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3100.00.00.0100.00.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0

us-gaap:Derivative


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.0-18.01.00.09.00.00.00.00.0-53.0-1.00.00.0-5.0-4.00.00.02.07.00.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel30.00.00.0100.00.014.10.00.00.00.0-1325.0-11.10.00.0-16.7-400.00.00.00.10.00.00.00.0

us-gaap:Mortgages


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value31212326411592831445136-3.06.02146-24.0171965467719757
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel314.20.00.02600.00.0248.468.363.30.00.0900.0-33.337.5100.0153.3-2400.00.0950.02.10.07700.086.418.3

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3.0341277310.00.0440.00.01379618.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel31.40.00.07700.00.00.00.089.80.00.03425.010677.850.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3 us-gaap:BalanceSheetLocation, us-gaap:FairValueByAssetClass

us-gaap:AvailableforsaleSecurities, us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMA


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value2180.00.00.00.06241490.00.00.09.01621260.00.01.00.00.00.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3100.00.00.00.00.096.9100.0100.00.00.00.0100.0100.0100.086.70.00.050.00.00.00.00.00.0

us-gaap:AvailableforsaleSecurities, us-gaap:MortgageBackedSecuritiesOther


Fair
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.01.00.02.00.00.00.00.00.00.00.00.00.00.00.00.02840.00.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel30.00.0100.00.03.10.00.00.00.00.00.00.00.00.00.00.00.09.10.00.00.00.0

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities, us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMA


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3.0341177310.00.0440.00.00.09618.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel31.40.00.07700.00.00.00.089.80.00.00.010677.850.0

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities, us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises


Fair
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.00.00.00.00.00.00.00.00.01040.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel30.00.00.00.00.00.00.00.00.02600.00.00.0

us-gaap:TradingAssetsExcludingDebtAndEquitySecurities, us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-31
Value0.00.01.00.00.00.00.00.033
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel30.00.00.00.00.00.00.00.0825.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings us-gaap:BalanceSheetLocation

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings

us-gaap:LongTermDebt


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value4.02730-23.0272328-72.09.07.022-10.0-6.0-20.0-2.074-11.0-22.0-94.0-1.0-23.050-41.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:LongTermDebt


Fair
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-1.0-3.04.0-3.0-1.0-3.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings-25.0-11.113.3-11.1-4.3-10.7

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation, us-gaap:LongtermDebtType

srt:ParentCompany, us-gaap:LongTermDebt, fnm:SeniorFloatingDebt


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-3.0-24.0-34.0118-24.0-22.0-25.0-4.07.0-3.0-19.051-4.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings-75.0-88.9-113.3-513.0-88.9-95.7-89.35.677.8-42.9-86.4-510.066.7

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues us-gaap:BalanceSheetLocation

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues

us-gaap:LongTermDebt


Fair
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.00.02.00.00.00.00.00.01.00.00.00.02.04.016477.02.0640.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues0.00.00.0100.00.00.00.00.00.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:LongTermDebt


Fair
Period End2020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.00.02.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues0.00.0100.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements us-gaap:BalanceSheetLocation

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements

us-gaap:LongTermDebt


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value6.0273.03.06.05.05.09.04.02110.01433127.049119.03091418169.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:LongTermDebt


Fair
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value5.04.03.06.05.05.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements83.314.8100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements us-gaap:ConsolidatedEntities, us-gaap:BalanceSheetLocation, us-gaap:LongtermDebtType

srt:ParentCompany, us-gaap:LongTermDebt, fnm:SeniorFloatingDebt


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.0230.00.00.00.00.00.00.00.00.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements16.785.20.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueOptionChangesInFairValueGainLoss1 us-gaap:FinancialInstrument

us-gaap:FairValueOptionChangesInFairValueGainLoss1

us-gaap:LoansReceivable


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value107-10.01512395126113111-63.0-27.0149-30.0309442-343.062145231-150.058
Percentage of FairValueOptionChangesInFairValueGainLoss1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebt


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-32.0-574.026232-245.0-222.0-330.05912824725412835-288.0-169.0666-454.0-313.0-354.018269
Percentage of FairValueOptionChangesInFairValueGainLoss1-29.95740.0173.5139.1-257.9-176.2-292.053.2-203.2-914.8170.5-426.7116.7-306.4-402.4-194.2-732.3-215.9-153.2-121.3119.0

us-gaap:FinancingReceivableAccruedInterestWriteoff us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

us-gaap:FinancingReceivableAccruedInterestWriteoff

srt:Multifamily


Financing
Period End2020-09-302020-06-30
Value5.02.0
Percentage of FinancingReceivableAccruedInterestWriteoff100.0100.0

srt:SingleFamily


Financing
Period End2020-09-302020-06-30
Value3345
Percentage of FinancingReceivableAccruedInterestWriteoff660.02250.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery


Financing
Period End2020-09-302020-06-302019-09-302019-06-30
Value4.03.09.017
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

srt:Multifamily


Financing
Period End2020-09-302020-06-302019-09-302019-06-30
Value0.00.01.02.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.00.011.111.8

srt:SingleFamily


Financing
Period End2020-09-302020-06-302019-09-302019-06-30
Value4.03.08.015
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery100.0100.088.988.2

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs


Financing
Period End2020-09-302020-06-302019-09-302019-06-30
Value34745272562
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

srt:Multifamily


Financing
Period End2020-09-302020-06-302019-09-302019-06-30
Value861.02.04.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs24.82.20.70.7

srt:SingleFamily


Financing
Period End2020-09-302020-06-302019-09-302019-06-30
Value26146270558
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs75.2102.299.399.3

us-gaap:FinancingReceivableModificationsNumberOfContracts2

us-gaap:FinancingReceivableModificationsNumberOfContracts2


Financing
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-30
Value10005.012610.013352.012024.012598.013896.014493.013300.023671.044362.016596.014853.015795.019170.017492.015934.016831.019554.019355.017112.021088.024863.028462.027028.029578.034344.039102.038227.047516.0205470.0
Percentage of FinancingReceivableModificationsNumberOfContracts2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsNumberOfContracts2 us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

srt:Multifamily


Financing
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value002.03.03.03.02.02.02.08.005.0
Percentage of FinancingReceivableModificationsNumberOfContracts20.00.00.00.00.00.00.00.00.00.00.00.0

srt:SingleFamily


Financing
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value10005.012610.013350.012021.012595.013893.014491.013298.023669.044354.016596.014848.0
Percentage of FinancingReceivableModificationsNumberOfContracts2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsNumberOfContracts2 us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

srt:SingleFamily, fnm:FixedRateResidentialMortgage15yearMember


Financing
Period End2020-06-302020-03-312019-06-302019-03-31
Value796.01073.01181.01295.0
Percentage of FinancingReceivableModificationsNumberOfContracts28.08.59.49.3

srt:SingleFamily, fnm:FixedRateResidentialMortgage30and20yearMember


Financing
Period End2020-03-312019-03-31
Value10856.011445.0
Percentage of FinancingReceivableModificationsNumberOfContracts286.182.4

srt:SingleFamily, fnm:OtherMortgageLoan


Financing
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value556.0537.090.089.0138.0147.0190.0207.0285.0445.0314.0264.0
Percentage of FinancingReceivableModificationsNumberOfContracts25.64.30.70.71.11.11.31.61.21.01.91.8

srt:SingleFamily, us-gaap:AdjustableRateResidentialMortgage


Financing
Period End2020-06-302020-03-312019-06-302019-03-31
Value142.0144.0213.0217.0
Percentage of FinancingReceivableModificationsNumberOfContracts21.41.11.71.6

srt:SingleFamily, us-gaap:FixedRateResidentialMortgage


Financing
Period End2020-06-302019-06-30
Value8511.010402.0
Percentage of FinancingReceivableModificationsNumberOfContracts285.182.6

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2


Financing
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-30
Value11191657209921521910197221122125194434216937232421662206264624102216237526802640236229813504408747564374511161616295736329249
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2 us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

srt:Multifamily


Financing
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.00.0194.020136.07.019420.082
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment20.00.00.90.21.00.60.30.40.60.60.03.8

srt:SingleFamily


Financing
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1119165720992133190619522099211919373402689523242084
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment2100.0100.0100.099.199.899.099.499.799.699.499.4100.096.2

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2 us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

srt:SingleFamily, fnm:FixedRateResidentialMortgage15yearMember


Financing
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value50689897106114
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment24.54.14.75.15.45.4

srt:SingleFamily, fnm:FixedRateResidentialMortgage30and20yearMember


Financing
Period End2020-03-312019-03-31
Value19091826
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment290.986.5

srt:SingleFamily, fnm:OtherMortgageLoan


Financing
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value47706813162527353752845850
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment24.24.23.20.60.81.31.31.61.91.51.22.52.3

srt:SingleFamily, us-gaap:AdjustableRateResidentialMortgage


Financing
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value162224283132
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment21.41.31.11.51.61.5

srt:SingleFamily, us-gaap:FixedRateResidentialMortgage


Financing
Period End2020-09-302020-06-302019-09-302019-06-30
Value1006149716941706
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment289.990.388.786.5

us-gaap:FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1

us-gaap:FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1


Financing
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-30
Value5988.03561.03942.04203.04547.05159.07161.04310.04568.05705.06907.05730.05029.05314.06484.06268.05720.06571.07777.08258.07447.08202.09876.010647.010025.010568.016220.014790.015587.013617.0
Percentage of FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1 us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

srt:Multifamily


Financing
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2.02.001.01.0001.001.01.00
Percentage of FinancingReceivableModificationsSubsequentDefaultNumberOfContracts10.00.10.00.00.00.00.00.00.00.00.00.0

srt:SingleFamily


Financing
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value5986.03559.03942.04202.04546.05159.07161.04309.04568.05704.06906.05730.0
Percentage of FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1100.099.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1 us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

srt:SingleFamily, fnm:FixedRateResidentialMortgage15yearMember


Financing
Period End2020-06-302020-03-312019-06-302019-03-31
Value35.050.0119.0132.0
Percentage of FinancingReceivableModificationsSubsequentDefaultNumberOfContracts10.61.42.62.6

srt:SingleFamily, fnm:FixedRateResidentialMortgage30and20yearMember


Financing
Period End2020-03-312019-03-31
Value3175.04376.0
Percentage of FinancingReceivableModificationsSubsequentDefaultNumberOfContracts189.284.8

srt:SingleFamily, fnm:OtherMortgageLoan


Financing
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value548.0327.096.087.0110.0154.0193.0143.0131.0195.0231.0178.0
Percentage of FinancingReceivableModificationsSubsequentDefaultNumberOfContracts19.29.22.42.12.43.02.73.32.93.43.33.1

srt:SingleFamily, us-gaap:AdjustableRateResidentialMortgage


Financing
Period End2020-06-302020-03-312019-06-302019-03-31
Value5.07.015.08.0
Percentage of FinancingReceivableModificationsSubsequentDefaultNumberOfContracts10.10.20.30.2

srt:SingleFamily, us-gaap:FixedRateResidentialMortgage


Financing
Period End2020-06-302019-06-30
Value5398.03913.0
Percentage of FinancingReceivableModificationsSubsequentDefaultNumberOfContracts190.186.1

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1


Financing
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-30
Value56811785786296596937771074624674852993816719761978895797997117212541078127915381664159617012629241925552388
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1 us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

srt:Multifamily


Financing
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.0142.0-1.0136.00.0-1.02.00.02.08.00.0
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment10.01.20.3-0.22.00.90.0-0.10.30.00.20.80.0

srt:SingleFamily


Financing
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value56811645766306466877771075622674850985816
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1100.098.899.7100.298.099.1100.0100.199.7100.099.899.2100.0

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1 us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

srt:SingleFamily, fnm:FixedRateResidentialMortgage15yearMember


Financing
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value1.03.03.01210.08.0
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment10.20.30.51.81.41.0

srt:SingleFamily, fnm:FixedRateResidentialMortgage30and20yearMember


Financing
Period End2020-03-312019-03-31
Value521664
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment190.185.5

srt:SingleFamily, fnm:OtherMortgageLoan


Financing
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value35945122162128382926384334
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment16.28.08.83.52.43.03.63.54.63.94.54.34.2

srt:SingleFamily, us-gaap:AdjustableRateResidentialMortgage


Financing
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.01.01.05.02.01.0
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment10.00.10.20.80.30.1

srt:SingleFamily, us-gaap:FixedRateResidentialMortgage


Financing
Period End2020-09-302020-06-302019-09-302019-06-30
Value5321066567594
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment193.790.586.085.7

us-gaap:FinancingReceivableNonaccrualInterestIncome

us-gaap:FinancingReceivableNonaccrualInterestIncome


Financing
Period End2020-09-302020-06-302020-03-31
Value7688117
Percentage of FinancingReceivableNonaccrualInterestIncome100.0100.0100.0

us-gaap:FinancingReceivableNonaccrualInterestIncome us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

srt:Multifamily


Financing
Period End2020-09-302020-06-302020-03-31
Value2.00.00.0
Percentage of FinancingReceivableNonaccrualInterestIncome2.60.00.0

srt:SingleFamily


Financing
Period End2020-09-302020-06-302020-03-31
Value7688117
Percentage of FinancingReceivableNonaccrualInterestIncome100.0100.0100.0

us-gaap:FinancingReceivableNonaccrualInterestIncome us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

srt:SingleFamily, fnm:FixedRateResidentialMortgage30and20yearMember


Financing
Period End2020-03-31
Value101
Percentage of FinancingReceivableNonaccrualInterestIncome86.3

srt:SingleFamily, fnm:OtherMortgageLoan


Financing
Period End2020-09-302020-06-302020-03-31
Value5.010.013
Percentage of FinancingReceivableNonaccrualInterestIncome6.611.411.1

srt:SingleFamily, us-gaap:FixedRateResidentialMortgage


Financing
Period End2020-09-302020-06-30
Value6875
Percentage of FinancingReceivableNonaccrualInterestIncome89.585.2

us-gaap:FinancingReceivableReclassificationToHeldForSale us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

us-gaap:FinancingReceivableReclassificationToHeldForSale

srt:SingleFamily


Financing
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value53050.01637515471882945
Percentage of FinancingReceivableReclassificationToHeldForSale100.00.0100.0100.0100.0100.0

us-gaap:FinancingReceivableSignificantSales us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

us-gaap:FinancingReceivableSignificantSales

srt:SingleFamily


Financing
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value45934950.03941649858
Percentage of FinancingReceivableSignificantSales100.0100.00.0100.0100.0100.0

us-gaap:ForeclosedRealEstateExpense

us-gaap:ForeclosedRealEstateExpense


Foreclosed
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7110.080151961281401571591391621301403421713711063334477497182473369249-214.0-262.0-1082.0-1165.0-332.0-260.0-475.0-48.0-70.033937733-478.0488463787487-19.0
Percentage of ForeclosedRealEstateExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfMortgageLoans us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

us-gaap:GainLossOnSaleOfMortgageLoans

srt:SingleFamily


Gain
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value424400.018428436
Percentage of GainLossOnSaleOfMortgageLoans100.0100.00.0100.0100.0100.0

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestAndDividendIncomeOperating


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value26053272912942629334295413015430543303342934428857285142761827461273932738426138259512660027332273712737727126275682812628354287462917929324290672897830180305663166933171337843326035794367743711537112383203939239446
Percentage of InterestAndDividendIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndDividendIncomeSecuritiesAvailableForSale

us-gaap:InterestAndDividendIncomeSecuritiesAvailableForSale


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value19263137404553555450716677911011131341702032252612943763733954144404875466516737487891035727-248.01160115212131115131313891473
Percentage of InterestAndDividendIncomeSecuritiesAvailableForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue

us-gaap:InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1772193163504184324274193633182361931951761421281401281201149911611513215114312714618522222623323473449265274264284296310330315
Percentage of InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseShortTermBorrowings

us-gaap:InterestExpenseShortTermBorrowings


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1954102132125119125137114110107777257444256575147373329272621202229374340383242566681107152194167118
Percentage of InterestExpenseShortTermBorrowings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value715757652764612970866375538360536085667354495671509262695742450261086887595348227138464456005608626965435512485181911105072617449323884693197-1313.01027-830.0-5627.086580-88.0-9150.0
Percentage of InterestIncomeExpenseAfterProvisionForLoanLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell

us-gaap:InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value14141071451782572632851661491421111098766
Percentage of InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPaid

us-gaap:InterestPaid


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value28302288662886734843290622898728650284052760227367270412682826445302532595426037259272634126013263442590526444262352672028353270272656727154266312763127824289212941230336305903121431882330213268933114342653648436788
Percentage of InterestPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense

us-gaap:LaborAndRelatedExpense


Labor
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value386382393363361376386350355365381321331332344319322331364320317331351340337319325290307304317303294292306283323310320304325324324
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

us-gaap:LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans

srt:Multifamily


Loans
Period End2020-09-302020-06-302020-03-31
Value8.03.01.0
Percentage of LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans100.0100.0100.0

srt:SingleFamily


Loans
Period End2020-09-302020-06-302020-03-31
Value219246182
Percentage of LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans2737.58200.018200.0

us-gaap:NetRealizedOrUnrealizedGainLossOnTradingSecurities

us-gaap:NetRealizedOrUnrealizedGainLossOnTradingSecurities


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-91.0135647-48.0951839247-40.0219845591868-60.038-437.01320364150249145149-57.0-228.0396328406-14.0284120-214.0135
Percentage of NetRealizedOrUnrealizedGainLossOnTradingSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestExpense

us-gaap:NoninterestExpense


Noninterest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value21981772206022072029200718851864185218251672178817621529178615481536144817261793206614731581150313781094863-178.0-119.0595635458825735115587015708581412134117911450780
Percentage of NoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestIncome

us-gaap:NoninterestIncome


Noninterest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value419-779.0126130858-47.0-471.0-131.0823745161510731218472004626151-1095.0-2541.0541-2042.03679-1261.0-1975.0801-30.032603245178916251488579-600.0-2615.0676-223.0-4542.0-1297.0570526371324-1666.0
Percentage of NoninterestIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestIncomeOther

us-gaap:NoninterestIncomeOther


Noninterest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value93903083014022462271492712393204311194353249414175174203
Percentage of NoninterestIncomeOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestIncomeOther us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, srt:Multifamily


Noninterest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value20191561982461581215.0192170162245189
Percentage of NoninterestIncomeOther21.521.150.665.861.264.253.33.470.871.150.656.815.8

us-gaap:OperatingSegments, srt:SingleFamily


Noninterest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value73711521031568810614479691581861005
Percentage of NoninterestIncomeOther78.578.949.434.238.835.846.796.629.228.949.443.284.2

us-gaap:NoninterestIncomeOtherOperatingIncome

us-gaap:NoninterestIncomeOtherOperatingIncome


Noninterest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value9390308301402246227149271239320431119435324941417517420322525955630832382638343552136741485568339378395375370291265237
Percentage of NoninterestIncomeOtherOperatingIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-11.0-11.018-94.016-65.0-36.05.0-33.04.0-320.025227-81.08.0-164.0-205.0-75.0-198.0-215.0-177.0-280.0-91.0146345372161-133.017648319741320355642-198.0-1.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.02.03.01732.02.03.0-4.03.02.03.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.02.03.01732.02.03.0-4.03.02.03.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansPlanAmendmentsTaxEffect

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansPlanAmendmentsTaxEffect


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1000000.001000000.0-2000000.01000000.001000000.000
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansPlanAmendmentsTaxEffect100.00.0100.0100.0100.00.0100.00.00.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value120.00.0-113.0-6.074440.02.00.026414421922.093240126128-22.073207225-19.0541911.032220756.03.03.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax100.00.00.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value120.00.0-113.0-6.074440.02.00.0263
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax100.00.00.0100.0100.0100.0100.00.0100.00.099.6

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-3.00.00.0181.01912-1.01.00.0-70.0-201.011-50.01.0-582.01296869-518.032112121-256.0291040.0-341.0119403.0-17.02.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax100.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeOtherNetOfTax

us-gaap:OtherComprehensiveIncomeOtherNetOfTax


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-2.0-2.0-3.0-5.0-2.0-2.0-3.04.0-3.0-2.0-3.06.0-2.0-2.0-2.00.0-2.0-2.0-2.09.0430-1.0-1.04.0320.00.0
Percentage of OtherComprehensiveIncomeOtherNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.0-11.01810.09.08.05.0-31.04.0-57.0-14.047119.0-49.03350-89.0-116.0-107.0-81.024471132213401787088649315719-64.0319485-198.0-1.0179-884.090116671370
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.0-11.01810.09.08.05.0-31.04.0-57.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value0.0-3.05.0-7.02.03.0-2.0-1.08.01.0-15.0-8.0256.05.033182748625844132561119184963747349166386-46.0196392-210.0-19.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherGeneralAndAdministrativeExpense

us-gaap:OtherGeneralAndAdministrativeExpense


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value146141144155147135133176138136126130647365745769647037364587.059565562555655725148476949475459574646
Percentage of OtherGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherInterestAndDividendIncome

us-gaap:OtherInterestAndDividendIncome


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value33253443474132342041821731451421159483664648393734333329242432374957655340383826252835314139
Percentage of OtherInterestAndDividendIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoninterestExpense

us-gaap:OtherNoninterestExpense


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3132612636445715354083073773662034114272913822103002542642012042053.06572276131-34.040030125428528523825222825432352203196224230
Percentage of OtherNoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoninterestExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, srt:Multifamily


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value6.09.09616214711771-21.0959671138107
Percentage of OtherNoninterestExpense1.93.436.525.225.721.917.4-6.825.226.235.033.625.1

us-gaap:OperatingSegments, srt:SingleFamily


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value307252167482424418337328282270-132.0273320
Percentage of OtherNoninterestExpense98.196.663.574.874.378.182.6106.874.873.8-65.066.474.9

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-361.03985396.0-669.0619124-22.0-551.0231264-297.0-552.0-122.0330-421.0-356.0116545-424.0-168.0219-154.0-375.0-171.0-36.0385-754.0-449.0-163.0-7.0-412.0-148.0-116.0208-226.0-170.0-130.016355-151.0245382
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireEquityMethodInvestments us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:PaymentsToAcquireEquityMethodInvestments

fnm:CommonSecuritizationSolutions


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value1919292122263626333541242518353023353019171713430.00.00.0
Percentage of PaymentsToAcquireEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsToAcquireLoansHeldForInvestment

us-gaap:PaymentsToAcquireLoansHeldForInvestment


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2254672073598630779910912865698133631362424929846570400454702852385489744120665206717055708939935406174853553582444603962137186313572448633649426155861860504689496034742916382763382318276102551574534676263051301812725
Percentage of PaymentsToAcquireLoansHeldForInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PreferredStockDividendsAndOtherAdjustments

us-gaap:PreferredStockDividendsAndOtherAdjustments


Preferred
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4216253247642663977336523613241397544599380.030483117277954712977286991928592202435917961920399937125692719186171024359368715229292929281726222494228222152154211619071527
Percentage of PreferredStockDividendsAndOtherAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfDebt us-gaap:ConsolidatedEntities

us-gaap:ProceedsFromIssuanceOfDebt

srt:ParentCompany


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value107986139082254559201913213375201162173122152889163093185092288281258362
Percentage of ProceedsFromIssuanceOfDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Proceeds
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value3148422658311359181271569414964821
Percentage of ProceedsFromIssuanceOfDebt291.6191.153.459.646.837.4

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8693961059615511313114715126633845762059457257789588391711981047123213481483157614461851240431722689321334513043292935573062308238514175390549024120
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment

us-gaap:ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1210.013121813151922311101181513585795581731349751351491882963123653483334557436346598379081007756919621529522
Percentage of ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet

us-gaap:ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value12750-17675.058039598-3614.0268810688-6340.0-10298.023401-20231.0427054806040-4845.0-12065.03975-4775.09800-750.0-4590.0-1780.010720-1500.0-12750.0-3950.0262251325-2500.041550-46850.013000-21500.0-9000.031000-10050.0-16450.06750-14499.082521760124753-9135.0
Percentage of ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3.06.0-470.0-649.09971320.0-657.0740-462.0442-82.077-174.018576-92.088-58.0-42.0114-77.0314532-25.018-145.02.0-218.02160.0-1.00.0-8.0-4.0411090.0-12.04.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.00.0100.0100.0

us-gaap:ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment us-gaap:ConsolidatedEntities

us-gaap:ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment

srt:ParentCompany


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value307723262308317037812771278634313706378141644836
Percentage of ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Proceeds
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value32260727871916965616583312353788419
Percentage of ProceedsFromPrincipalRepaymentsOnLoansAndLeasesHeldForInvestment10484.511982.87350.84386.04458.23173.7

us-gaap:ProceedsFromSaleOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfAvailableForSaleSecurities


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302011-03-312010-03-31
Value13771501610.02451310.0216.06356991874984428
Percentage of ProceedsFromSaleOfAvailableForSaleSecurities100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value13771501610.02451313157246487832857711518972897378238021330160831402171804721170535118512291175127038322729540160274013524987711147
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfForeclosedAssets

us-gaap:ProceedsFromSaleOfForeclosedAssets


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value14551407183217811774190519652231224224882360255027973420345436373921442841294451492258945490594360627142632986617222940913057886392521037510195109681213813163109791160310386100157678
Percentage of ProceedsFromSaleOfForeclosedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfLoansAndLeasesHeldForInvestment us-gaap:ConsolidatedEntities

us-gaap:ProceedsFromSaleOfLoansAndLeasesHeldForInvestment

srt:ParentCompany


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value39954270.088073166579526687480822475804842
Percentage of ProceedsFromSaleOfLoansAndLeasesHeldForInvestment100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfTradingSecuritiesHeldforinvestment

us-gaap:ProceedsFromSaleOfTradingSecuritiesHeldforinvestment


Proceeds
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value440.00.00.00.00.0490.00.0960.092255866213925217927636509483427537024863467664936887812504664280413689321107409
Percentage of ProceedsFromSaleOfTradingSecuritiesHeldforinvestment100.00.00.00.00.00.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProfessionalAndContractServicesExpense

us-gaap:ProfessionalAndContractServicesExpense


Professional
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value230231212268241233225288247254243252218234229271237232215243219251271296263275242232236219223224195179168205173169189
Percentage of ProfessionalAndContractServicesExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLeaseAndOtherLosses

us-gaap:ProvisionForLoanLeaseAndOtherLosses


Provision
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-501.0122583-279.0-1857.0-1225.0-650.0-1080.0-716.0-1296.0-217.0-560.0182-1267.0-396.01303-673.0-1601.0-1184.0255-1550.01033-533.0-466.0-1085.0-1639.0-774.00.0-2609.0-5383.0-957.0-1890.02079-3041.0200054764151653710554
Percentage of ProvisionForLoanLeaseAndOtherLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLeaseAndOtherLosses us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, srt:Multifamily


Provision
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value412314116.017271110.016-1.0-21.01245
Percentage of ProvisionForLoanLeaseAndOtherLosses-8.21925.015.9-2.2-0.9-2.2-1.7-0.9-2.20.19.7-2.124.7

us-gaap:OperatingSegments, srt:SingleFamily


Provision
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-542.0-219.02172-7791.01840-1252.0-661.0-1090.0-732.0-1295.0-196.0-572.0137
Percentage of ProvisionForLoanLeaseAndOtherLosses108.2-1825.084.12792.5-99.1102.2101.7100.9102.299.990.3102.175.3

us-gaap:ProvisionForLoanLossesExpensed

us-gaap:ProvisionForLoanLossesExpensed


Provision
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-897.0-161.025847650-1843.0121263410657101270-58.03343205-1196.0-411.01245-636.0-1336.0-1032.0199-1394.010298.0-7366.0105115588722832600-5449.0-984.01867-2083.0338720005366415958021058737724696429511939
Percentage of ProvisionForLoanLossesExpensed100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLossesExpensed us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

srt:Multifamily


Provision
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value34228407-50.0-17.0-27.0-13.0-9.0-14.00.020-13.0-42.0
Percentage of ProvisionForLoanLossesExpensed-3.8-141.615.8-0.70.9-2.2-2.1-0.8-2.00.0-34.5-0.4-20.5

srt:SingleFamily


Provision
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-931.0-389.021777700-1826.0123964710747241270-78.0552-163.0
Percentage of ProvisionForLoanLossesExpensed103.8241.684.2100.799.1102.2102.1100.8102.0100.0134.516.5-79.5

us-gaap:RepaymentsOfDebt us-gaap:ConsolidatedEntities

us-gaap:RepaymentsOfDebt

srt:ParentCompany


Repayments
Period End2020-03-312019-03-312018-03-31
Value207818184222299797
Percentage of RepaymentsOfDebt100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Repayments
Period End2020-03-312019-03-31
Value16472696925
Percentage of RepaymentsOfDebt79.352.6

us-gaap:TradingSecuritiesUnrealizedHoldingGainLoss

us-gaap:TradingSecuritiesUnrealizedHoldingGainLoss


Trading
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-71.070591-60.0821478935-27.01.076286-51.0-7.077-53.0-1.0-424.0-15.0-1.0291156233135142-56.0-273.0397312399-2.0319120-206.0138
Percentage of TradingSecuritiesUnrealizedHoldingGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberOfSharesContingentlyIssuable

us-gaap:WeightedAverageNumberOfSharesContingentlyIssuable


Weighted
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.00.047000.00.00.046000.00.00.046000.0460046004600460046004600460046004600460046000.04600460046000.0460046004600100460046004600
Percentage of WeightedAverageNumberOfSharesContingentlyIssuable0.00.0100.00.00.00.0100.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

fnm:AdvanceToLender

fnm:AdvanceToLender


Advance
Period End2020-09-302020-06-302020-03-312019-12-31
Value10228798389716453
Percentage of AdvanceToLender100.0100.0100.0100.0

fnm:AdvancesToLendersFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

fnm:AdvancesToLendersFairValueDisclosure

us-gaap:FairValueInputsLevel2


Advances
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value102277982896964516935539342443354402038993832493647694659402371566271491543333902482952285901507943814220336231653050529838106936
Percentage of AdvancesToLendersFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel3


Advances
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1.01.02.02.02.02.02.02.02.02.02.02.02.0322337352382365379394412429443470483505518523548580578572
Percentage of AdvancesToLendersFairValueDisclosure0.00.00.00.00.00.00.00.10.00.10.10.00.06.98.44.96.17.48.710.18.58.27.59.311.012.015.416.518.010.915.28.2

fnm:AdvancesToLendersFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Advances
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value10228798389716453693753954246335640223901383449384771496543447494662752884722430852535670636155593727
Percentage of AdvancesToLendersFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.1100.0100.1100.1100.0100.0106.6108.0104.7105.7107.6109.0110.4108.8108.5107.8109.5117.8

us-gaap:EstimateOfFairValueFairValueDisclosure


Advances
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value10228798389716453693753954246335640223901383449384771498143607508665352804712429652415657634455493688
Percentage of AdvancesToLendersFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.1100.0100.1100.1100.0100.0106.9108.4104.9106.1107.4108.7110.1108.5108.2107.5109.3116.5

fnm:AggregateFundingReceivedFromUsTreasuryPursuantToSeniorPreferredStockPurchaseAgreement us-gaap:RelatedPartyTransactionsByRelatedParty

fnm:AggregateFundingReceivedFromUsTreasuryPursuantToSeniorPreferredStockPurchaseAgreement

fnm:UsTreasury


Aggregate
Period End2020-09-302019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-312013-12-312013-03-312012-12-312012-09-302012-06-302009-12-31
Value11980011980011980011610011610011610011610011610011610011610011610011610011610011610011610075200
Percentage of AggregateFundingReceivedFromUsTreasuryPursuantToSeniorPreferredStockPurchaseAgreement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:AggregateLiquidationPreferenceOfSeniorPreferredStock

fnm:AggregateLiquidationPreferenceOfSeniorPreferredStock


Aggregate
Period End2020-09-30
Value138000
Percentage of AggregateLiquidationPreferenceOfSeniorPreferredStock100.0

fnm:AggregateLiquidationPreferenceOfSeniorPreferredStock us-gaap:RelatedPartyTransactionsByRelatedParty

fnm:UsTreasury


Aggregate
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value135400135400131200127200123800123800123800123800120100117100117100117100117100117100
Percentage of AggregateLiquidationPreferenceOfSeniorPreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

fnm:AggregateLiquidationPreferenceOfSeniorPreferredStock us-gaap:StatementScenario, us-gaap:RelatedPartyTransactionsByRelatedParty

srt:ScenarioForecast, fnm:UsTreasury


Aggregate
Period End2020-12-312020-09-302020-03-31
Value142200138000135400
Percentage of AggregateLiquidationPreferenceOfSeniorPreferredStock0.0100.00.0

fnm:AllowanceForMortgageInsuranceReceivable

fnm:AllowanceForMortgageInsuranceReceivable


Allowance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value499500502541545546544564567568591593596612609638658678742770795809870799745611621655598578547551881848570
Percentage of AllowanceForMortgageInsuranceReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:CapitalReserveAmountcurrentYearSeniorPreferredStockPurchaseAgreementAmendment us-gaap:RelatedPartyTransactionsByRelatedParty

fnm:CapitalReserveAmountcurrentYearSeniorPreferredStockPurchaseAgreementAmendment

fnm:UsTreasury


Capital
Period End2020-09-302019-09-302019-06-302019-03-312018-09-302016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-31
Value250002500030003000300012001200120012001800180024003000
Percentage of CapitalReserveAmountcurrentYearSeniorPreferredStockPurchaseAgreementAmendment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:CashCashEquivalentsAndRestrictedCashFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

fnm:CashCashEquivalentsAndRestrictedCashFairValueDisclosure

us-gaap:FairValueInputsLevel1


Cash
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value9658810694911630850057516234017034641340733298237679373603506035301360033220941477472354219637889349533469641551463493796534347348842923936633448096764880644757867181868663
Percentage of CashCashEquivalentsAndRestrictedCashFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2


Cash
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value144001327512400113501287520800176001535018049110500.025200167501190020100207002225019120149001060015500151501895016600105001555094001159017500110000.013250880012050
Percentage of CashCashEquivalentsAndRestrictedCashFairValueDisclosure14.912.410.722.724.951.850.845.154.729.30.071.947.433.162.449.947.145.339.330.344.736.540.943.730.644.632.131.639.116.30.017.512.317.5

fnm:CashCashEquivalentsAndRestrictedCashFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Cash
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value11098812022412870861407644986097052241494235103148729373606026052051479035230962177694856131652789455535019656701652995456548223
Percentage of CashCashEquivalentsAndRestrictedCashFairValueDisclosure114.9112.4110.7122.7124.9151.8150.8145.1154.7129.3100.0171.9147.4133.1162.4149.9147.1145.3139.3130.3144.7136.5140.9143.7131.6

us-gaap:EstimateOfFairValueFairValueDisclosure


Cash
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value11098812022412870861407644986097052241494235103148729373606026052051479035230962177694856131652789455535019656701652995456548223
Percentage of CashCashEquivalentsAndRestrictedCashFairValueDisclosure114.9112.4110.7122.7124.9151.8150.8145.1154.7129.3100.0171.9147.4133.1162.4149.9147.1145.3139.3130.3144.7136.5140.9143.7131.6

fnm:DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss

fnm:DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss


Debt
Period End2020-03-312019-12-31
Value8000000.010000000.0
Percentage of DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss100.0100.0

fnm:DeficitOfCoreCapitalOverStatutoryMinimumCapitalRequirement

fnm:DeficitOfCoreCapitalOverStatutoryMinimumCapitalRequirement


Deficit
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value128100131200131300-128752.0133800137000137800-137135.0136700136300140200144396137700137900138600-136187.0138900139100141200-139670.0140600138700142200-142246.0139700140000138000-137283.013600013580088300141200146400145100148400
Percentage of DeficitOfCoreCapitalOverStatutoryMinimumCapitalRequirement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedSubjectToMasterNettingArrangement

fnm:DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedSubjectToMasterNettingArrangement


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value2767939544229092515936481408724037248689449832770239990448204075141516559325176941067421933312338816436853885240845490074118033486229575089958448511397961245968
Percentage of DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedSubjectToMasterNettingArrangement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSubjectToMasterNettingArrangementNotOffsetFinancialInstruments

fnm:DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSubjectToMasterNettingArrangementNotOffsetFinancialInstruments


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value289268122810136815922315310419623511715423431335721429133411918922422711681145918328766515892
Percentage of DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSubjectToMasterNettingArrangementNotOffsetFinancialInstruments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:DerivativeAssetsInterestReceivable us-gaap:DerivativeInstrumentRisk

fnm:DerivativeAssetsInterestReceivable

us-gaap:InterestRateContract


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value111109195226287360395400437418378835724707643785720819917758835772917749807696927786102911161361124212241087920
Percentage of DerivativeAssetsInterestReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:DerivativeFairValueGrossAssetAllDerivatives

fnm:DerivativeFairValueGrossAssetAllDerivatives


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value10389042771271472561584458353372315171284419599687490775700894161017181692148512561264836207320193449519435
Percentage of DerivativeFairValueGrossAssetAllDerivatives100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:DerivativeFairValueGrossAssetAllDerivatives us-gaap:DerivativeInstrumentRisk

fnm:ForwardContractsToPurchaseMortgageRelatedSecurities


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value402571215313723138940334921263227108383737919828066
Percentage of DerivativeFairValueGrossAssetAllDerivatives38.763.277.750.648.969.369.076.25.970.772.163.213.48.863.328.857.17.4

fnm:ForwardContractsToSellMortgageRelatedSecurities


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value682199131701210.01.02645.03215181271124053865
Percentage of DerivativeFairValueGrossAssetAllDerivatives6.62.33.64.836.02.11.70.274.81.310.28.863.764.72.059.07.87.3

fnm:MortgageCommitmentDerivatives


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value56376726651654214554393792882882771322213134176313496375101403844334122551063891052656092190222156
Percentage of DerivativeFairValueGrossAssetAllDerivatives54.284.896.260.989.281.175.282.881.677.487.977.277.874.769.691.871.282.272.915.723.925.224.317.28.430.812.612.830.263.542.835.9

fnm:MortgageCommitmentsToPurchaseWholeLoans


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value9317541315205426293.020189.02.05.02628319.0
Percentage of DerivativeFairValueGrossAssetAllDerivatives9.019.414.95.54.29.64.56.30.85.45.75.30.71.24.34.16.31.0

fnm:PayFixedSwap


Derivative
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value0.00.00.00.04.017143889872360177247244173366019267
Percentage of DerivativeFairValueGrossAssetAllDerivatives0.00.00.00.00.729.395.6254.4194.4190.8451.5166.2105.3122.496.13.929.9

fnm:PayFixedSwaption


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value10.06.07.018182946191321254222951411792302413645
Percentage of DerivativeFairValueGrossAssetAllDerivatives1.00.70.36.63.85.27.941.790.968.370.555.649.642.738.435.17.35.0

fnm:ReceiveFixedSwap


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1082114311518169581096103711131031112313712391255426042495269652183436
Percentage of DerivativeFairValueGrossAssetAllDerivatives104.2126.441.5301.1203.0195.4177.6243.0292.1301.9435.21398.2899.3621.5416.5392.41064.9384.3

fnm:ReceiveFixedSwaption


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value591648619106203905120141921130.00.00.00.07.08.0
Percentage of DerivativeFairValueGrossAssetAllDerivatives56.971.722.339.143.016.08.74.44.05.16.77.60.00.00.00.01.40.9

us-gaap:BasisSwap


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value2182222051491791551291049398102124129127113115198141
Percentage of DerivativeFairValueGrossAssetAllDerivatives21.024.67.455.037.927.622.122.726.326.332.472.545.430.318.916.740.415.8

us-gaap:CurrencySwap


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value413229392730352228376259544945407595
Percentage of DerivativeFairValueGrossAssetAllDerivatives3.93.51.014.45.75.36.04.87.99.919.734.519.011.77.55.815.310.6

us-gaap:InterestRateContract


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value19422051201111281385140414691888240322742404347633733423364337855575684959974020480845635989566765457076822694449656122161327014828
Percentage of DerivativeFairValueGrossAssetAllDerivatives187.1226.972.6416.2293.4250.3251.5412.2680.7611.3763.22032.71187.7816.9608.2550.91137.8883.7856.7449.7298.6265.6354.0381.6521.1559.8984.0455.6478.3354.22556.83408.7

us-gaap:OtherContract


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value4598537404251625718202522232327332228
Percentage of DerivativeFairValueGrossAssetAllDerivatives44.29.41.314.88.99.110.612.45.15.47.912.98.15.54.54.84.53.1

fnm:DerivativeLiabilityFairValueGrossLiabilityAllDerivatives

fnm:DerivativeLiabilityFairValueGrossLiabilityAllDerivatives


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value96513803809435595799793777276604663328337420903121570211351116424904811802614443736209146923612904780705
Percentage of DerivativeLiabilityFairValueGrossLiabilityAllDerivatives100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:DerivativeLiabilityFairValueGrossLiabilityAllDerivatives us-gaap:DerivativeInstrumentRisk

fnm:ForwardContractsToPurchaseMortgageRelatedSecurities


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value70213628851110.03.014916402113724310.03882957
Percentage of DerivativeLiabilityFairValueGrossLiabilityAllDerivatives7.31.50.96.414.31.41.30.454.02.66.06.440.757.91.131.94.113.4

fnm:ForwardContractsToSellMortgageRelatedSecurities


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value7591202350227730567565364548537468205554857230050292
Percentage of DerivativeLiabilityFairValueGrossLiabilityAllDerivatives78.787.191.963.751.384.582.383.017.488.970.662.516.311.463.324.771.521.7

fnm:MortgageCommitmentDerivatives


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value842122435943064166886666482125545102282103185837375379586051585673925673441505251182149121671336297
Percentage of DerivativeLiabilityFairValueGrossLiabilityAllDerivatives87.388.794.470.369.986.184.083.476.891.776.969.562.375.764.660.776.584.454.237.362.748.370.756.033.971.356.514.638.657.543.142.1

fnm:MortgageCommitmentsToPurchaseWholeLoans


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value131.0561.0262.03.00.0151.02.02.018271.0496.09.0
Percentage of DerivativeLiabilityFairValueGrossLiabilityAllDerivatives1.30.11.50.24.40.30.40.05.40.20.30.65.36.40.14.00.92.1

fnm:PayFixedSwap


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1297174719309701481132782374052067487821202639298328854396110716920
Percentage of DerivativeLiabilityFairValueGrossLiabilityAllDerivatives134.4126.650.7223.0248.9166.1103.895.2188.4111.6132.4646.3783.1710.2319.5361.81577.11632.1

fnm:PayFixedSwaption


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value341340328219270172454.02.02.05.0204.03.07.0821326
Percentage of DerivativeLiabilityFairValueGrossLiabilityAllDerivatives35.324.68.650.345.421.55.70.50.70.30.86.11.20.70.86.71.96.1

fnm:ReceiveFixedSwap


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value543.02.06210321054186012591296125417641109105115631552146753
Percentage of DerivativeLiabilityFairValueGrossLiabilityAllDerivatives5.60.20.114.317.326.368.2110.7456.2214.6189.1537.8329.1250.2173.1127.720.8177.6

fnm:ReceiveFixedSwaption


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value138134130232137232287338366336317304280271263257157171
Percentage of DerivativeLiabilityFairValueGrossLiabilityAllDerivatives14.39.73.453.323.029.036.243.5132.655.647.892.783.164.529.121.222.440.3

us-gaap:BasisSwap


Derivative
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value0.00.00.00.00.00.00.00.00.01.00.00.01.02.0112115
Percentage of DerivativeLiabilityFairValueGrossLiabilityAllDerivatives0.00.00.00.00.00.00.00.00.00.20.00.00.20.20.93.03.5

us-gaap:CurrencySwap


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value789193658677667260594356647278858252
Percentage of DerivativeLiabilityFairValueGrossLiabilityAllDerivatives8.16.62.414.914.59.68.39.321.79.86.517.119.017.18.67.011.712.3

us-gaap:InterestRateContract


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1908231524831548207720181762201422082368249942654097438247996385114911340111882793997527232110399451811386518990969511135157501886120946
Percentage of DerivativeLiabilityFairValueGrossLiabilityAllDerivatives197.7167.865.2355.9349.1252.6222.2259.2800.0392.1376.91300.31215.71043.3531.5525.51636.91180.71064.71872.41078.8891.71376.41539.31831.41175.44301.4660.0471.6542.42418.12971.1

us-gaap:OtherContract


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value38442925273129111.01.01.01.01.01.01.02.01.02.0
Percentage of DerivativeLiabilityFairValueGrossLiabilityAllDerivatives3.93.20.85.74.53.93.71.40.40.20.20.30.30.20.10.20.10.5

fnm:DerivativeLiabilityInterestPayable us-gaap:DerivativeInstrumentRisk

fnm:DerivativeLiabilityInterestPayable

us-gaap:InterestRateContract


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value230193310250374359462419504438521814907754918937109710451227977122091512321013122095011439301223126814941508160214821238
Percentage of DerivativeLiabilityInterestPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedSubjectToMasterNettingArrangements

fnm:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedSubjectToMasterNettingArrangements


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value927133637808881693899764766102460311143274174261087121373612491141484102181088866344273523334711071835700455
Percentage of DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedSubjectToMasterNettingArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSubjectToMasterNettingArrangementNotOffsetFinancialInstruments

fnm:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSubjectToMasterNettingArrangementNotOffsetFinancialInstruments


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value289268122810136815922315310419623511715423431335721429133411918922422711681145918328766515892
Percentage of DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSubjectToMasterNettingArrangementNotOffsetFinancialInstruments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:FairValueSecuritiesRetainedUnconsolidatedPortfolioSecuritizationTrusts us-gaap:QualitativeAndQuantitativeInformationTransferorsContinuingInvolvementTransferredFinancialAssetsByTransferOrTransferee, us-gaap:UnderlyingAssetClass

fnm:FairValueSecuritiesRetainedUnconsolidatedPortfolioSecuritizationTrusts

us-gaap:VariableInterestEntityNotPrimaryBeneficiary, fnm:SingleClassMBSREMICMegas


Fair
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value3300400041004000420037002300220022002500260047005000520055005800600069007300680067007100750076008300
Percentage of FairValueSecuritiesRetainedUnconsolidatedPortfolioSecuritizationTrusts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:FreddieMaccollateralincludedinFannieMaecommingledsecurity us-gaap:FinancialInstrument, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

fnm:FreddieMaccollateralincludedinFannieMaecommingledsecurity

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Freddie
Period End2020-09-302020-06-302019-12-31
Value11770010140050100
Percentage of FreddieMaccollateralincludedinFannieMaecommingledsecurity100.0100.0100.0

fnm:FreddieMaccollateralincludedinFannieMaecommingledsecurity us-gaap:FinancialInstrument, us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Freddie
Period End2020-03-312019-12-31
Value7270050100
Percentage of FreddieMaccollateralincludedinFannieMaecommingledsecurity0.0100.0

fnm:FreeStandingCreditEnhancements us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

fnm:FreeStandingCreditEnhancements

srt:Multifamily


Free
Period End2020-03-31
Value127
Percentage of FreeStandingCreditEnhancements100.0

srt:SingleFamily


Free
Period End2020-03-31
Value58
Percentage of FreeStandingCreditEnhancements45.7

fnm:GuarantyAssetsAndBuyUpsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

fnm:GuarantyAssetsAndBuyUpsFairValueDisclosure

us-gaap:FairValueInputsLevel3


Guaranty
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value270260271305319352370356368370428436444433429432450454513544527566599616676766710706684660688692729866
Percentage of GuarantyAssetsAndBuyUpsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:GuarantyAssetsAndBuyUpsFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Guaranty
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value115120127142149152159147149151156149155148151158152141176184189200201210267
Percentage of GuarantyAssetsAndBuyUpsFairValueDisclosure42.646.246.946.646.743.243.041.340.540.836.434.234.934.235.236.633.831.134.333.835.935.333.634.137.8

us-gaap:EstimateOfFairValueFairValueDisclosure


Guaranty
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value270260271305319352370356368370428436444433429432450454513544527566599616706
Percentage of GuarantyAssetsAndBuyUpsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:InsuranceLossReservesContractualMortgageInsuranceBenefitNet

fnm:InsuranceLossReservesContractualMortgageInsuranceBenefitNet


Insurance
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value1700200014004103985636656917108339699891000110012001400150017001900230023002700290041194205553259916320665873438613928588581121112232
Percentage of InsuranceLossReservesContractualMortgageInsuranceBenefitNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:LiabilityToTreasuryRelatedToIncreaseInSingleFamilyGuarantyFeeResultingFromTemporaryPayrollTaxCutContinuationActOf2011 us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:StatementBusinessSegments

fnm:LiabilityToTreasuryRelatedToIncreaseInSingleFamilyGuarantyFeeResultingFromTemporaryPayrollTaxCutContinuationActOf2011

fnm:UsTreasury, srt:SingleFamily


Liability
Period End2020-09-302019-12-312018-12-31
Value679626586
Percentage of LiabilityToTreasuryRelatedToIncreaseInSingleFamilyGuarantyFeeResultingFromTemporaryPayrollTaxCutContinuationActOf2011100.0100.0100.0

fnm:Loans30To59DaysPastDuePercentageOfUnpaidPrincipalBalance us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByBenchmark

fnm:Loans30To59DaysPastDuePercentageOfUnpaidPrincipalBalance

srt:Multifamily, fnm:GuarantyBookOfBusiness


Loans30
Period End2020-09-302020-06-302020-03-312019-12-312019-06-302018-12-312018-09-302017-12-31
Value0.140.00320.00030.00020.00040.00020.00010.0003
Percentage of Loans30To59DaysPastDuePercentageOfUnpaidPrincipalBalance100.0100.0100.0100.0100.0100.0100.0100.0

fnm:Loans30To59DaysPastDuePercentageOfUnpaidPrincipalBalance us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:MortgageLoansOnRealEstateLoanType, us-gaap:ConcentrationRiskByBenchmark

srt:SingleFamily, fnm:ConventionalMortgage, fnm:GuarantyBookOfBusiness


Loans30
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1.00.01450.01160.01070.01110.01270.01150.01170.0130.0142
Percentage of Loans30To59DaysPastDuePercentageOfUnpaidPrincipalBalance714.3453.13866.75350.00.03175.00.05850.013000.04733.3

fnm:Loans60To89DaysPastDuePercentageOfUnpaidPrincipalBalance us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:MortgageLoansOnRealEstateLoanType, us-gaap:ConcentrationRiskByBenchmark

fnm:Loans60To89DaysPastDuePercentageOfUnpaidPrincipalBalance

srt:SingleFamily, fnm:ConventionalMortgage, fnm:GuarantyBookOfBusiness


Loans60
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.490.01850.00270.00290.00290.0030.00310.00320.00320.0043
Percentage of Loans60To89DaysPastDuePercentageOfUnpaidPrincipalBalance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:LoansSeriouslyDelinquentPercentageOfUnpaidPrincipalBalance us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByBenchmark

fnm:LoansSeriouslyDelinquentPercentageOfUnpaidPrincipalBalance

srt:Multifamily, fnm:GuarantyBookOfBusiness


Loans
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1.120.010.00050.00040.00060.00050.00070.00060.00070.0011
Percentage of LoansSeriouslyDelinquentPercentageOfUnpaidPrincipalBalance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:LoansSeriouslyDelinquentPercentageOfUnpaidPrincipalBalance us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:MortgageLoansOnRealEstateLoanType, us-gaap:ConcentrationRiskByBenchmark

srt:SingleFamily, fnm:ConventionalMortgage, fnm:GuarantyBookOfBusiness


Loans
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3.610.03040.00590.00590.00610.00640.00670.00690.00750.0115
Percentage of LoansSeriouslyDelinquentPercentageOfUnpaidPrincipalBalance322.3304.01180.01475.01016.71280.0957.11150.01071.41045.5

fnm:LoansSeriouslyDelinquentUnpaidPrincipalBalancePercentageByCategory us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ProductOrService, us-gaap:ConcentrationRiskByBenchmark

fnm:LoansSeriouslyDelinquentUnpaidPrincipalBalancePercentageByCategory

srt:Multifamily, fnm:CurrentDebtServiceCoverageRatioLessThanOneHundredPercent, fnm:GuarantyBookOfBusiness


Loans
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value22.070.22910.00680.00480.00440.01110.00620.01380.01760.0196
Percentage of LoansSeriouslyDelinquentUnpaidPrincipalBalancePercentageByCategory100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Multifamily, fnm:OriginalLoanToValueRatioGreaterThanEightyPercent, fnm:GuarantyBookOfBusiness


Loans
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1.240.00390000000.00190.0021
Percentage of LoansSeriouslyDelinquentUnpaidPrincipalBalancePercentageByCategory5.61.70.00.00.00.00.00.010.810.7

srt:Multifamily, fnm:OriginalLoanToValueRatioLessThanOrEqualToEightyPercent, fnm:GuarantyBookOfBusiness


Loans
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1.120.01010.00050.00040.00060.00050.00070.00060.00060.0011
Percentage of LoansSeriouslyDelinquentUnpaidPrincipalBalancePercentageByCategory5.14.47.48.313.64.511.34.33.45.6

fnm:MaximumRecovery

fnm:MaximumRecovery


Maximum
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value7090739477398098896390859408952293299374955797449936101351037810711109761115611547117261204813721140071422214550149011496315066
Percentage of MaximumRecovery100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:MaximumRecovery us-gaap:GuaranteeObligationsByNature, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

fnm:NonconsolidatedFannieMaesecurities, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Maximum
Period End2020-09-302020-06-302019-12-31
Value466649395545
Percentage of MaximumRecovery65.866.868.5

us-gaap:GuaranteeTypeOther, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Maximum
Period End2020-09-302020-06-302019-12-31
Value242424552553
Percentage of MaximumRecovery34.233.231.5

fnm:MaximumRecovery us-gaap:GuaranteeObligationsByNature, us-gaap:VariableInterestEntitiesByClassificationOfEntity

fnm:NonconsolidatedFannieMaesecurities, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Maximum
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value524455456354644066996811693070547201734074698048
Percentage of MaximumRecovery67.868.570.970.971.271.574.375.375.375.375.275.1

us-gaap:GuaranteeTypeOther, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Maximum
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value249525532609264527092711239923202356240424672663
Percentage of MaximumRecovery32.231.529.129.128.828.525.724.724.724.724.824.9

fnm:MortgageInsuranceCoverageRiskInForce us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByBenchmark

fnm:MortgageInsuranceCoverageRiskInForce

srt:SingleFamily, fnm:GuarantyBookOfBusiness


Mortgage
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value169307166172164524163194162718158582155223152788149312138460
Percentage of MortgageInsuranceCoverageRiskInForce100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:MortgageInsuranceCoverageRiskInForceInsuranceClaimPercentageToBePaidInCashByMortgageInsurer us-gaap:CounterpartyName

fnm:MortgageInsuranceCoverageRiskInForceInsuranceClaimPercentageToBePaidInCashByMortgageInsurer

fnm:PMIMortgageInsuranceCompany


Mortgage
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value76.50.7650.7650.7450.7450.7450.7450.7250.7250.7250.7150.7150.7150.7
Percentage of MortgageInsuranceCoverageRiskInForceInsuranceClaimPercentageToBePaidInCashByMortgageInsurer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:TriadGuarantyInsuranceCorporation1


Mortgage
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value75.00.750.750.750.750.750.750.750.750.750.750.750.750.75
Percentage of MortgageInsuranceCoverageRiskInForceInsuranceClaimPercentageToBePaidInCashByMortgageInsurer98.098.098.0100.7100.7100.7100.7103.4103.4103.4104.9104.9104.9107.1

fnm:MortgageInsuranceCoverageRiskInForceInsurersWithPubliclyDisclosedFinancialWeakness us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

fnm:MortgageInsuranceCoverageRiskInForceInsurersWithPubliclyDisclosedFinancialWeakness

srt:SingleFamily, fnm:GuarantyBookOfBusiness, fnm:InsuranceServiceProviderConcentrationRisk


Mortgage
Period End2020-09-30
Value2700
Percentage of MortgageInsuranceCoverageRiskInForceInsurersWithPubliclyDisclosedFinancialWeakness100.0

fnm:MortgageInsuranceCoverageRiskinForceInsuranceClaimPercentageTobeDeferredbyMortgageInsurer us-gaap:CounterpartyName

fnm:MortgageInsuranceCoverageRiskinForceInsuranceClaimPercentageTobeDeferredbyMortgageInsurer

fnm:PMIMortgageInsuranceCompany


Mortgage
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value23.50.2350.2350.2550.2550.2550.2550.2750.2750.2750.2850.2850.2850.3
Percentage of MortgageInsuranceCoverageRiskinForceInsuranceClaimPercentageTobeDeferredbyMortgageInsurer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:TriadGuarantyInsuranceCorporation1


Mortgage
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value25.00.250.250.250.250.250.250.250.250.250.250.250.250.25
Percentage of MortgageInsuranceCoverageRiskinForceInsuranceClaimPercentageTobeDeferredbyMortgageInsurer106.4106.4106.498.098.098.098.090.990.990.987.787.787.783.3

fnm:MortgageLoansCostBasisAndFairValueAdjustmentsNet

fnm:MortgageLoansCostBasisAndFairValueAdjustmentsNet


Mortgage
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value653705446745341432244332341262401963981539642388363981741906414663986038201395724202539790381973684236902360963680935735336493257331200305272925932785319982950822796146753850
Percentage of MortgageLoansCostBasisAndFairValueAdjustmentsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:MortgageLoansOnRealEstateUnpaidPrincipalBalance

fnm:MortgageLoansOnRealEstateUnpaidPrincipalBalance


Mortgage
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value34936763417834333067832999543280189324345232328013223783320915531866003176703315570331314873105954309343030636463029642301387830125693010753301268930072323008127301930030134853011280302872730395593029090299291229830992978693298311229719422966927
Percentage of MortgageLoansOnRealEstateUnpaidPrincipalBalance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:MortgageLoansOnRealEstateUnpaidPrincipalBalance us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

srt:Multifamily


Mortgage
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value355950346932334397327593318106310899302152293858284300265069
Percentage of MortgageLoansOnRealEstateUnpaidPrincipalBalance10.210.210.09.99.79.69.39.18.98.4

srt:SingleFamily


Mortgage
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value31377263070902-2996281.02972361296208329325532930649292992529248572890634
Percentage of MortgageLoansOnRealEstateUnpaidPrincipalBalance89.889.8-90.090.190.390.490.790.991.191.6

fnm:MortgageLoansOnRealEstateUnpaidPrincipalBalance us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

srt:Multifamily, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Mortgage
Period End2020-09-302020-06-30
Value356000346900
Percentage of MortgageLoansOnRealEstateUnpaidPrincipalBalance10.210.1

fnm:MortgageLoansOnRealEstateUnpaidPrincipalBalance us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:VariableInterestEntitiesByClassificationOfEntity

srt:Multifamily, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Mortgage
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value334400327600318100310900302200293900
Percentage of MortgageLoansOnRealEstateUnpaidPrincipalBalance10.09.99.79.69.39.1

fnm:Nonaccrualloanswithnotallowance

fnm:Nonaccrualloanswithnotallowance


Nonaccrualloanswithnotallowance
Period End2020-03-31
Value8088
Percentage of Nonaccrualloanswithnotallowance100.0

fnm:Nonaccrualloanswithnotallowance us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty

srt:Multifamily


Nonaccrualloanswithnotallowanceus-gaap:
Period End2020-03-31
Value33
Percentage of Nonaccrualloanswithnotallowance0.4

srt:SingleFamily


Nonaccrualloanswithnotallowanceus-gaap:
Period End2020-03-31
Value8055
Percentage of Nonaccrualloanswithnotallowance99.6

fnm:Nonaccrualloanswithnotallowance us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

srt:SingleFamily, fnm:FixedRateResidentialMortgage15yearMember


Nonaccrualloanswithnotallowanceus-gaap:
Period End2020-03-31
Value542
Percentage of Nonaccrualloanswithnotallowance6.7

srt:SingleFamily, fnm:FixedRateResidentialMortgage30and20yearMember


Nonaccrualloanswithnotallowanceus-gaap:
Period End2020-03-31
Value6653
Percentage of Nonaccrualloanswithnotallowance82.3

srt:SingleFamily, fnm:OtherMortgageLoan


Nonaccrualloanswithnotallowanceus-gaap:
Period End2020-03-31
Value710
Percentage of Nonaccrualloanswithnotallowance8.8

srt:SingleFamily, us-gaap:AdjustableRateResidentialMortgage


Nonaccrualloanswithnotallowanceus-gaap:
Period End2020-03-31
Value150
Percentage of Nonaccrualloanswithnotallowance1.9

fnm:NumberOfAcquiredPropertiesValuatedPercentage us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:ValuationTechnique

fnm:NumberOfAcquiredPropertiesValuatedPercentage

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring, fnm:AcceptedOffers


Number
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value0.210.140.120.130.150.180.150.170.190.210.180.190.20.220.190.20.220.240.180.20.220.250.190.190.20.220.160.170.210.250.20.220.22
Percentage of NumberOfAcquiredPropertiesValuatedPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring, fnm:ProprietaryHomePriceModelAndAppraisals


Number
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value0.750.810.850.830.820.780.820.780.760.730.770.760.740.720.750.740.740.710.770.750.730.710.770.780.760.740.810.790.760.730.780.760.77
Percentage of NumberOfAcquiredPropertiesValuatedPercentage357.1578.6708.3638.5546.7433.3546.7458.8400.0347.6427.8400.0370.0327.3394.7370.0336.4295.8427.8375.0331.8284.0405.3410.5380.0336.4506.2464.7361.9292.0390.0345.5350.0

fnm:NumberOfLoans30To59DaysPastDuePercentage us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:MortgageLoansOnRealEstateLoanType, us-gaap:ConcentrationRiskByBenchmark

fnm:NumberOfLoans30To59DaysPastDuePercentage

srt:SingleFamily, fnm:ConventionalMortgage, fnm:GuarantyBookOfBusiness


Number
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1.110.01470.01310.01270.01280.01470.01320.01370.01520.0163
Percentage of NumberOfLoans30To59DaysPastDuePercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:NumberOfLoans60To89DaysPastDuePercentage us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:MortgageLoansOnRealEstateLoanType, us-gaap:ConcentrationRiskByBenchmark

fnm:NumberOfLoans60To89DaysPastDuePercentage

srt:SingleFamily, fnm:ConventionalMortgage, fnm:GuarantyBookOfBusiness


Number
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.50.0160.00320.00350.00350.00350.00350.00380.00370.005
Percentage of NumberOfLoans60To89DaysPastDuePercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:NumberOfLoansSeriouslyDelinquentPercentageByCategory us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:MortgageLoansOnRealEstateLoanType, us-gaap:ConcentrationRiskByBenchmark

fnm:NumberOfLoansSeriouslyDelinquentPercentageByCategory

srt:SingleFamily, fnm:ConventionalMortgage, fnm:GuarantyBookOfBusiness


Number
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3.20.02650.00660.00660.00680.0070.00740.00760.00820.0124
Percentage of NumberOfLoansSeriouslyDelinquentPercentageByCategory100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:NumberOfLoansSeriouslyDelinquentPercentageByCategory us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:MortgageLoansOnRealEstateLoanType, us-gaap:ProductOrService, us-gaap:ConcentrationRiskByBenchmark

srt:SingleFamily, fnm:ConventionalMortgage, fnm:AltAMortgageLoans, fnm:GuarantyBookOfBusiness


Number
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value9.460.08070.02950.02950.03090.03250.03310.03350.03680.0495
Percentage of NumberOfLoansSeriouslyDelinquentPercentageByCategory295.6304.5447.0447.0454.4464.3447.3440.8448.8399.2

srt:SingleFamily, fnm:ConventionalMortgage, fnm:EstimatedMarkToMarketLoanToValueRatioGreaterThanOneHundredPercent, fnm:GuarantyBookOfBusiness


Number
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value21.740.18120.10060.10140.10620.10630.09350.09850.10650.117
Percentage of NumberOfLoansSeriouslyDelinquentPercentageByCategory679.4683.81524.21536.41561.81518.61263.51296.11298.8943.5

srt:SingleFamily, fnm:ConventionalMortgage, fnm:Vintages2004andPrior, fnm:GuarantyBookOfBusiness


Number
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value5.810.050.02480.02480.02530.02610.02680.02690.02770.0328
Percentage of NumberOfLoansSeriouslyDelinquentPercentageByCategory181.6188.7375.8375.8372.1372.9362.2353.9337.8264.5

srt:SingleFamily, fnm:ConventionalMortgage, fnm:Vintages2005to2008, fnm:GuarantyBookOfBusiness


Number
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value9.840.08370.04110.04110.04240.04450.0450.04610.0490.0655
Percentage of NumberOfLoansSeriouslyDelinquentPercentageByCategory307.5315.8622.7622.7623.5635.7608.1606.6597.6528.2

srt:SingleFamily, fnm:ConventionalMortgage, fnm:Vintages2009toCurrentYear, fnm:GuarantyBookOfBusiness


Number
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2.740.02210.00350.00350.00330.00320.00330.00340.00340.0053
Percentage of NumberOfLoansSeriouslyDelinquentPercentageByCategory85.683.453.053.048.545.744.644.741.542.7

fnm:NumberOfLoansSeriouslyDelinquentPercentageByCategory us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:MortgageLoansOnRealEstateLoanType, us-gaap:StatementGeographical, us-gaap:ConcentrationRiskByBenchmark

srt:SingleFamily, fnm:ConventionalMortgage, fnm:OtherStates, fnm:GuarantyBookOfBusiness


Number
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2.850.0230.00640.00640.00670.00690.00720.00750.00770.0109
Percentage of NumberOfLoansSeriouslyDelinquentPercentageByCategory89.186.897.097.098.598.697.398.793.987.9

srt:SingleFamily, fnm:ConventionalMortgage, stpr:CA, fnm:GuarantyBookOfBusiness


Number
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3.040.02540.00330.00320.00320.00330.00340.00340.00340.0042
Percentage of NumberOfLoansSeriouslyDelinquentPercentageByCategory95.095.850.048.547.147.145.944.741.533.9

srt:SingleFamily, fnm:ConventionalMortgage, stpr:FL, fnm:GuarantyBookOfBusiness


Number
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value4.760.03980.00830.00840.00870.00940.01030.01160.01510.0371
Percentage of NumberOfLoansSeriouslyDelinquentPercentageByCategory148.8150.2125.8127.3127.9134.3139.2152.6184.1299.2

srt:SingleFamily, fnm:ConventionalMortgage, stpr:IL, fnm:GuarantyBookOfBusiness


Number
Period End2020-09-302020-06-302020-03-312019-12-312018-12-31
Value3.460.02710.00910.00910.0098
Percentage of NumberOfLoansSeriouslyDelinquentPercentageByCategory108.1102.3137.9137.9128.9

srt:SingleFamily, fnm:ConventionalMortgage, stpr:NJ, fnm:GuarantyBookOfBusiness


Number
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value5.310.04810.01130.01130.01210.01280.01320.01380.01510.0215
Percentage of NumberOfLoansSeriouslyDelinquentPercentageByCategory165.9181.5171.2171.2177.9182.9178.4181.6184.1173.4

srt:SingleFamily, fnm:ConventionalMortgage, stpr:NY, fnm:GuarantyBookOfBusiness


Number
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value5.390.04960.01190.01180.01240.01320.01380.0140.01550.0202
Percentage of NumberOfLoansSeriouslyDelinquentPercentageByCategory168.4187.2180.3178.8182.4188.6186.5184.2189.0162.9

fnm:PercentageOfCommonSharesAttributableToWarrantsIssuedToTreasuryAsPercentageToTotalDilutedCommonShares us-gaap:RelatedPartyTransactionsByRelatedParty

fnm:PercentageOfCommonSharesAttributableToWarrantsIssuedToTreasuryAsPercentageToTotalDilutedCommonShares

fnm:UsTreasury


Percentage
Period End2020-09-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312008-09-07
Value79.90.7990.7990.7990.7990.7990.7990.7990.7990.799
Percentage of PercentageOfCommonSharesAttributableToWarrantsIssuedToTreasuryAsPercentageToTotalDilutedCommonShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:PercentageOfConcentrationRisk us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

fnm:PercentageOfConcentrationRisk

srt:SingleFamily, fnm:GuarantyBookOfBusiness, fnm:InsuranceServiceProviderConcentrationRisk


Percentage
Period End2020-09-302019-12-312018-12-31
Value2.00.020.03
Percentage of PercentageOfConcentrationRisk100.0100.0100.0

fnm:PoolMortgageInsuranceCoverageRiskInForce us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByBenchmark

fnm:PoolMortgageInsuranceCoverageRiskInForce

srt:SingleFamily, fnm:GuarantyBookOfBusiness


Pool
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value296301306339379391400409419519
Percentage of PoolMortgageInsuranceCoverageRiskInForce100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fnm:PrimaryMortgageInsuranceCoverageRiskInForce us-gaap:MortgageLoansOnRealEstateDescriptionTypeOfProperty, us-gaap:ConcentrationRiskByBenchmark

fnm:PrimaryMortgageInsuranceCoverageRiskInForce

srt:SingleFamily, fnm:GuarantyBookOfBusiness