SLM


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

Table of contents



us-gaap:CommonStockValue
us-gaap:ConsolidatedEntities
us-gaap:StatementClassOfStock
us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock
us-gaap:CommonStockParOrStatedValuePerShare
us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:StatementClassOfStock
us-gaap:ConsolidatedEntities
us-gaap:CommonStockSharesIssued
us-gaap:ConsolidatedEntities, us-gaap:StatementClassOfStock
us-gaap:PreferredStockSharesIssued
us-gaap:StatementClassOfStock
us-gaap:CommonStockSharesAuthorized

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets

us-gaap:CapitalToRiskWeightedAssets

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaid

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestExpense
us-gaap:HedgingDesignation, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:InterestExpenseLongTermDebt

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:OperatingExpenses

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:Assets
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument

us-gaap:Liabilities
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:TierOneRiskBasedCapital

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:EquitySecuritiesFvNi

us-gaap:OtherAssets
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument

us-gaap:TimeDepositMaturitiesYearOne

us-gaap:LongTermDebt

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue
us-gaap:ConsolidatedEntities
us-gaap:StatementClassOfStock

us-gaap:AdditionalPaidInCapital
us-gaap:ConsolidatedEntities

us-gaap:RetainedEarningsAccumulatedDeficit
us-gaap:ConsolidatedEntities

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:TreasuryStockValue
us-gaap:ConsolidatedEntities

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:Dividends

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits
us-gaap:DebtInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:AdditionalProceedsFromSaleOfDebtSecuritiesAvailableForSale
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:SubsequentEventType

slm:AdjustmentsToAdditionalPaidInCapitalDividendsEquivalentUnitsRelatedToEmployeeStockBasedCompensationPlans
us-gaap:StatementEquityComponents
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
slm:AllowanceAsPercentageOfEndingLoanBalance
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
slm:AllowanceAsPercentageOfEndingLoansInRepayment
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
slm:AllowanceCoverageOfChargeOffsAverageLoansInRepayment

slm:AmortizationofBrokeredDepositPlacement

slm:AmortizationofUpfrontLoanFees
us-gaap:DerivativeInstrumentRisk
slm:AmountOfVariationMarginIncludedAsSettlement
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
slm:AnnualizedAllowanceOnPrivateEducationLoanCoverageOfChargeOffs

slm:BorrowingsCollateralizedByLoansInTrustIssued

slm:BorrowingsCollateralizedByLoansInTrustRepaid

slm:BrokeredDepositPlacementFee

slm:CashAndInvestmentsInterestIncomeLoss

slm:Cashpaidforbrokereddepositplacementfee

slm:ChangeInOtherComprehensiveIncomeLossForUnrealizedGainsLossesOnDerivativesBeforeIncomeTaxExpenseBenefit
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
slm:ChargeOffsAsPercentageOfAverageLoansInRepayment
us-gaap:DerivativeInstrumentRisk
slm:DerivativeInstrumentPercentofTotalNotionalDerivativeContracts
us-gaap:HedgingDesignation
slm:DerivativeInstrumentsIncreaseDecreaseInFairValueOfFutureInterestPaymentsRecordedInEarnings

slm:DividendsCommonStockAccrualAdjustment
us-gaap:StatementEquityComponents

slm:FairValueDisclosureOffBalanceSheetRisksAmountLiabilityAdditionalCommitments

slm:FairValueDisclosureOffBalanceSheetRisksAmountLiabilityCommitmentsFunded

slm:FinancingReceivableAllowanceForCreditLossLoanSales
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedFourYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedInCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedSixOrMoreYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedThreeYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedTwoYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedFourYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedInCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedSixOrMoreYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedThreeYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedTwoYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedFourYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedInCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedSixOrMoreYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedThreeYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedTwoYearsBeforeLatestFiscalYear

slm:FinancingReceivableBeforeAllowanceForCreditLossAverageBalance
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableCreditLossExpenseReversalCommitments

slm:FinancingReceivableCreditLossExpenseReversalExistingCommitments

slm:FinancingReceivableCreditLossExpenseReversalNewCommitments

slm:FinancingReceivableCreditLossExpenseReversalOtherImpacts
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

slm:FinancingReceivableCreditLossExpenseReversalReduction
us-gaap:Range
slm:IncreaseToLifeOfLoanDefaults

slm:InterestIncomeonTaxIndemnificationReceivable

slm:InterestRateReductionPercentage

slm:LoansandLeasesReceivablePercentageofFFELPLoansInsuredandGuaranteed

slm:NetIncreaseDecreaseinUpfrontLoanFees

slm:NetProceedsFromSalesOfPersonalLoansHeldForInvestmentAccruedInterest

slm:NetProceedsFromSalesOfPersonalLoansHeldForInvestmentPrincipal
us-gaap:SubsequentEventType
slm:NetProceedsFromSalesOfStudentLoansHeldForSaleAccruedInterest

slm:NetProceedsFromSalesOfStudentLoansHeldForSaleCapitalizedInterest
us-gaap:SubsequentEventType

slm:NetProceedsFromSalesOfStudentLoansHeldForSalePrincipal
us-gaap:SubsequentEventType

slm:Netincreasedecreaseinbrokeredcertificatesofdeposit

slm:Netincreasedecreaseinloansheldforinvestment

slm:NetincreaseinNOWaccountdeposits

slm:Netproceedsfromsalesofstudentloansheldforinvestment

slm:OffBalanceSheetCreditLossLiabilityOtherProvisionBenefit
us-gaap:CumulativeEffectPeriodOfAdoption
slm:OffBalanceSheetCreditLossLiabilityTransferFromUnfundedCommitments
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

slm:OffBalanceSheetCreditLossLiabilityWriteoff

slm:ProceedsfromClaimpayments

slm:StockRepurchaseProgramCancelledPurchaseShares

slm:StudentLoansacquiredandoriginated

slm:ThirdPartyBrokerFeesPaid

slm:TreasuryStockAcquiredAverageCostPerShareIncludingCommissionCosts
us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock
slm:TreasuryStockSharesAcquiredAdditionalSharesReceived
us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

slm:VerticalRiskRetentionPercentage
us-gaap:DebtInstrument
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:WeightedAverageInterestRateonLoans

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities

us-gaap:AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount

us-gaap:AmortizationOfDeferredLoanOriginationFeesNet

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
us-gaap:HedgingDesignation
us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1
us-gaap:HedgingDesignation
us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:DebtInstrument, us-gaap:VariableRate
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
us-gaap:DebtInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:DebtSecuritiesAvailableForSaleRealizedGain
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:DebtSecuritiesHeldToMaturityAllowanceForCreditLossWriteoff
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

us-gaap:DebtSecuritiesHeldToMaturityCreditLossExpenseReversal
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

us-gaap:DebtSecuritiesHeldToMaturityTransferToAvailableForSaleAllowanceForCreditLossExpense
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

us-gaap:Depreciation

us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:HedgingDesignation

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents
us-gaap:StatementClassOfStock
us-gaap:DividendsPreferredStockCash
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:EquitySecuritiesFvNiGainLoss

us-gaap:FederalDepositInsuranceCorporationPremiumExpense

us-gaap:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1

us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown

us-gaap:GainLossOnDerivativeInstrumentsNetPretax

us-gaap:GainLossOnDispositionOfAssets1
us-gaap:HedgingDesignation
us-gaap:GainLossOnFairValueHedgesRecognizedInEarnings

us-gaap:GainLossOnSaleOfNotesReceivable
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
us-gaap:ImpairedFinancingReceivableInterestIncomeCashBasisMethod

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInAccruedInterestReceivableNet

us-gaap:IncreaseDecreaseInEquitySecuritiesFvNi

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestExpenseDeposits

us-gaap:InterestExpenseShortTermBorrowings

us-gaap:InterestIncomeDebtSecuritiesAvailableForSaleOperating

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:LaborAndRelatedExpense

us-gaap:NoninterestExpense

us-gaap:NoninterestIncome

us-gaap:NoninterestIncomeOtherOperatingIncome

us-gaap:OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoninterestExpense

us-gaap:OtherRestructuringCosts

us-gaap:PaymentsForProceedsFromOtherInterestEarningAssets

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromIncomeTaxRefunds
us-gaap:DebtInstrument
us-gaap:ProceedsFromIssuanceOfUnsecuredDebt

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities
us-gaap:DebtInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:SubsequentEventType

us-gaap:ProceedsFromSaleOfLoansHeldForSale
us-gaap:SubsequentEventType

us-gaap:ProceedsFromSaleOfLoansReceivable

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForLoanAndLeaseLosses
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

us-gaap:ProvisionForLoanLeaseAndOtherLosses

us-gaap:ProvisionForLoanLossesExpensed
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:RepaymentsOfCommercialPaper

us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminated

us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent

us-gaap:RestructuringCharges

us-gaap:SeveranceCosts1

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockAcquiredAverageCostPerShare
us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock

us-gaap:TreasuryStockRetiredCostMethodAmount
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockSharesAcquired
us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock
us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

us-gaap:TreasuryStockSharesRetired
us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock
us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredParValueMethod
us-gaap:Range, us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:StatementEquityComponents

us-gaap:UnrealizedGainLossOnDerivatives

us-gaap:UnrealizedGainLossOnInvestments

dei:EntityCommonStockSharesOutstanding
us-gaap:FairValueByMeasurementBasis
slm:AccruedInterestReceivableFairValueDisclosure

slm:AccruedInterestReceivableFairValueDisclosureDifference

slm:AccruedInterestReceivableOnPrivateEducationLoans
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
slm:AllowanceCoverageOfChargeOffsEndingLoans
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
slm:AllowanceCoverageOfChargeOffsEndingLoansInRepayment

slm:AllowanceForUncollectibleAccruedInterest

slm:AssetsFairValueDisclosureDifferenceBetweenCarryingValueandFairValue

slm:BrokeredDeposits
us-gaap:ConsolidatedEntities
slm:CarryingAmountOfAssetsSecuringDebtOutstandingLoans
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument

slm:CashduefromFederalReserveBank

slm:CommonEquityTierOneRiskBasedCapital

slm:DebtInstrumentFaceAmountAfterAdjustments
us-gaap:LongtermDebtType

slm:DebtInstrumentFaceAmountMaturityToCallDate
us-gaap:LongtermDebtType

slm:DebtSecuritiesAvailableForSaleNumberOfPositions

slm:DeferredTaxAssetsOtherIncludingValuationAllowance

slm:DeferredTaxAssetsRemainingBalanceofIndemnificationReceivableInConnectionwithTheSpinOff

slm:DeferredTaxAssetsTaxDeferredExpensesReservesandAccrualsUnrecordedTaxBenefits

slm:DeferredTaxLiabilitiesFederalDeferredforStateReceivable

slm:DeferredTaxLiabilitiesGainsLossesOnRepurchasedDebt

slm:DeferredTaxLiabilitiesMarketValueAdjustments
us-gaap:RelatedPartyTransactionsByRelatedParty
slm:DeferredTaxLiabilitiesNetandLiabilityDuetoUncertainTaxPositions

slm:DeferredTaxLiabilitiesStudentLoanPremiumsandDiscountsNet

slm:DelinquenciesAsPercentageOfLoansInRepayment

slm:DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedFiveYearsBeforeCurrentFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedFourYearsBeforeCurrentFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedInCurrentFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedInFiscalYearBeforeLatestFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedThreeYearsBeforeCurrentFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedTwoYearsBeforeCurrentFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentOriginatedFiveYearsBeforeCurrentFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentOriginatedFourYearsBeforeCurrentFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentOriginatedInCurrentFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentOriginatedInFiscalYearBeforeLatestFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentOriginatedThreeYearsBeforeCurrentFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentOriginatedTwoYearsBeforeCurrentFiscalYear

slm:DelinquentForbearanceLoansAsPercentageOfLoansInRepayment
us-gaap:FairValueByLiabilityClass
slm:DepositsFairValueDisclosureDifferenceBetweenCarryingValueandFairValue
us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementBasis
us-gaap:DerivativeInstrumentRisk
slm:DerivativeAssetLiability
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:ConsolidatedEntities
slm:DuefromSubsidiaresNet

slm:ExcessOfNetAssetFairValueOverCarryingValue

slm:FinancialLiabilitiesFairValueDisclosureDifferenceBetweenCarryingValueandFairValue
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAccruedInterestOriginationInterestOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAccruedInterestOriginationInterestOriginatedSixOrMoreYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAccruedInterestOriginationVintageBeforeAllowanceForCreditLoss
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAccruedInterestOriginationVintageOriginatedFourYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAccruedInterestOriginationVintageOriginatedInCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAccruedInterestOriginationVintageOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAccruedInterestOriginationVintageOriginatedThreeYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAccruedInterestOriginationVintageOriginatedTwoYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAfterAllowanceForCreditLossOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAfterAllowanceForCreditLossOriginatedFourYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAfterAllowanceForCreditLossOriginatedInCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAfterAllowanceForCreditLossOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAfterAllowanceForCreditLossOriginatedThreeYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAfterAllowanceForCreditLossOriginatedTwoYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossOriginatedFiscalYearBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossOriginatedFourYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossOriginatedInCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossOriginatedThreeYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableAllowanceForCreditLossOriginatedTwoYearsBeforeCurrentFiscalYear
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableLoansInForbearanceBeforeAllowanceForCreditLoss
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableLoansInForbearanceNotPastDue
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableLoansInForbearanceOriginatedInCurrentFiscalYear
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
slm:FinancingReceivableLoansInForbearancePastDue
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
slm:FinancingReceivableLoansInForbearancePercentPastDue
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableLoansInForbearanceYearFiveOriginatedFourYearsBeforeCurrentFiscalYear
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableLoansInForbearanceYearFourOriginatedThreeYearsBeforeCurrentFiscalYear
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableLoansInForbearanceYearSixOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableLoansInForbearanceYearSixOriginatedMoreThanSevenYearsBeforeCurrentFiscalYear
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableLoansInForbearanceYearSixOriginatedMoreThanSixYearsBeforeCurrentFiscalYear
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableLoansInForbearanceYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableLoansInForbearanceYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear
slm:CreditQualityIndicators, us-gaap:Collateral, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:FinancingReceivableOriginatedSixOrMoreYearsBeforeLatestFiscalYear
slm:CreditQualityIndicators, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue

slm:GreaterThanNinetyDaysPastDueAccruedInterestReceivable

slm:HedgeAccountingAdjustment
us-gaap:LongtermDebtType
us-gaap:ConsolidatedEntities
slm:InvestmentinSubsidiary

slm:Lendablevalueofcollateral

slm:LoanAmountSecuritized
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoanStatusInSchoolGraceAndDefermentRecordedInvestment

slm:LoansAndLeasesReceivablePercentageOfLoansInFullAndInterestRepaymentStatusThatAreSubjectToInterestRateReductions

slm:LoansAndLeasesReceivableTemporaryInterestRateReductionFinancialDifficultyStatus
us-gaap:Range
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansBeforeAllowanceForCreditLoss
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansGrossBeforeAllowanceForCreditLoss
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansGrossOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansGrossOriginatedFourYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansGrossOriginatedInCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansGrossOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansGrossOriginatedThreeYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansGrossOriginatedTwoYearsBeforeLatestFiscalYear

slm:LoansInForbearanceAsAPercentageOfPrivateEducationLoansInRepaymentAndForbearance

slm:LoansInForbearanceAsAPercentageOfPrivateEducationLoansInRepaymentAndForbearanceOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear

slm:LoansInForbearanceAsAPercentageOfPrivateEducationLoansInRepaymentAndForbearanceOriginatedFourYearsBeforeCurrentFiscalYear

slm:LoansInForbearanceAsAPercentageOfPrivateEducationLoansInRepaymentAndForbearanceOriginatedInFiscalYearBeforeLatestFiscalYear

slm:LoansInForbearanceAsAPercentageOfPrivateEducationLoansInRepaymentAndForbearanceOriginatedThreeYearsBeforeCurrentFiscalYear

slm:LoansInForbearanceAsAPercentageOfPrivateEducationLoansInRepaymentAndForbearanceOriginatedTwoYearsBeforeCurrentFiscalYear

slm:LoansInForbearanceAsPercentageOfLoansInRepaymentAndForbearance
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansInForbearanceCurrentPercentage
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansInRepaymentBeforeAllowanceForCreditLoss
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansInRepaymentCurrentInPercentage
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansInRepaymentOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansInRepaymentOriginatedFourYearsBeforeCurrentFiscalYear
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansInRepaymentOriginatedInCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansInRepaymentOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansInRepaymentOriginatedSixOrMoreYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansInRepaymentOriginatedThreeYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansInRepaymentOriginatedTwoYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansOriginatedFourYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansOriginatedInCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansOriginatedThreeYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoansOriginatedTwoYearsBeforeCurrentFiscalYear
us-gaap:DebtInstrument
slm:LoansPledgedAsCollateralCapitalizedInterest
us-gaap:DebtInstrument
slm:LoansPledgedAsCollateralPrincipalAmount
us-gaap:FinancialInstrument
slm:LoansReceivableFairValueDisclosureDifferenceBetweenCarryingValueandFairValue
us-gaap:DebtInstrument
slm:LoansSecuritizedorAssetBackedFinancingArrangementOwnershipInterestPercentage

slm:LoansSubjectToInterestRateReductionsPercent

slm:LoansandLeasesReceivableImpairedLoansGrantedForbearanceQualifiedasTroubleDebtRestructuring
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:LoanspledgedtoBorrowerinCustody

slm:LongTermDebtMaturityToCallDateRepaymentsOfPrincipalInYearOne
us-gaap:LongtermDebtType

slm:LongTermDebtMaturitytoCallDateRepaymentsOfPrincipalAfterYearFive
us-gaap:LongtermDebtType

slm:LongTermDebtMaturitytoCallDateRepaymentsOfPrincipalinYearFive
us-gaap:LongtermDebtType

slm:LongTermDebtMaturitytoCallDateRepaymentsOfPrincipalinYearFour
us-gaap:LongtermDebtType

slm:LongTermDebtMaturitytoCallDateRepaymentsOfPrincipalinYearThree
us-gaap:LongtermDebtType

slm:LongTermDebtMaturitytoCallDateRepaymentsOfPrincipalinYearTwo
us-gaap:LongtermDebtType

slm:LongtermDebtFairValueDifferenceBetweenCarryingValueandFairValue
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:NetUnamortizedPremiumOrDiscountBeforeAllowanceForCreditLoss
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:NetUnamortizedPremiumOrDiscountOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:NetUnamortizedPremiumOrDiscountOriginatedFourYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:NetUnamortizedPremiumOrDiscountOriginatedInCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:NetUnamortizedPremiumOrDiscountOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:NetUnamortizedPremiumOrDiscountOriginatedThreeYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:NetUnamortizedPremiumOrDiscountOriginatedTwoYearsBeforeCurrentFiscalYear

slm:OperatingLossCarryforwardsCapitalLoss

slm:OtherLiabilitiesReserve

slm:ParValueOfMortgageBackedSecuritiesPledgedToFRB
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:PercentOfPrivateLoans

slm:PercentOfPrivateLoansIndexedToLIBOROrSOFR

slm:PercentageOfLoansInRepaymentBeforeAllowanceForCreditLoss

slm:PercentageOfLoansInRepaymentOriginatedFiveOrMoreYearsBeforeLatestFiscalYear

slm:PercentageOfLoansInRepaymentOriginatedFourYearsBeforeLatestFiscalYear

slm:PercentageOfLoansInRepaymentOriginatedInCurrentFiscalYear

slm:PercentageOfLoansInRepaymentOriginatedInFiscalYearBeforeLatestFiscalYear

slm:PercentageOfLoansInRepaymentOriginatedThreeYearsBeforeLatestFiscalYear

slm:PercentageOfLoansInRepaymentOriginatedTwoYearsBeforeLatestFiscalYear

slm:PercentageOfPrivateEducationLoansRelatedToBorrowersInSchoolGraceOrDeferment

slm:PercentageofLoansconcentratedinmajorstates
us-gaap:StatementGeographical
slm:PercentageofLoansheldinstate

slm:PercentofPrivateLoansindexedtoLIBOR
slm:CreditQualityIndicators, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:PrivateEducationLoansAtOrigination

slm:RetailandOtherDeposits
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:SeasoningBasedOnMonthlyScheduledPaymentsDueFromMoreThanFortyEightPaymentsInPercent
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:SeasoningBasedOnMonthlyScheduledPaymentsDueFromNotYetInRepaymentInPercent
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:SeasoningBasedOnMonthlyScheduledPaymentsDueFromOneToTwelvePaymentsInPercent
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:SeasoningBasedOnMonthlyScheduledPaymentsDueFromThirteenToTwentyFourPaymentsInPercent
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:SeasoningBasedOnMonthlyScheduledPaymentsDueFromThirtySevenToFortyEightPaymentsInPercent
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:SeasoningBasedOnMonthlyScheduledPaymentsDueFromTwentyFiveToThirtySixPaymentsInPercent

slm:ShortTermDebtFairValueDifferenceBetweenCarryingValueAndFairValue

slm:StableInterestbearingDepositsTotal

slm:StockholdersEquityAttributabletoParentExcludingTreasuryStock
us-gaap:ConsolidatedEntities

slm:TaxIndemnificationReceivable
us-gaap:ConsolidatedEntities

slm:TierOneCommonEquityCapitaltoRiskWeightedAssets

slm:TierOneRiskBasedCapitalforCommonEquityRequiredtobeCapitalized
us-gaap:RiskWeightedAssetsCalculationMethodology
us-gaap:FairValueByMeasurementBasis
us-gaap:AccruedLiabilitiesFairValueDisclosure

us-gaap:AmortizationMethodQualifiedAffordableHousingProjectInvestments

us-gaap:AociTaxAttributableToParent
us-gaap:ConsolidatedEntities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument
us-gaap:InvestmentType

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument
us-gaap:InvestmentType

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
slm:InvestmentIssuers, us-gaap:InvestmentType
us-gaap:CreditRatingMoodys, us-gaap:InvestmentType
us-gaap:FinancialInstrument
us-gaap:InvestmentSecondaryCategorization, us-gaap:InvestmentType
us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:FinancialInstrument
us-gaap:InvestmentType

us-gaap:Capital

us-gaap:CapitalRequiredToBeWellCapitalized
us-gaap:RiskWeightedAssetsCalculationMethodology
us-gaap:FairValueByMeasurementBasis
us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:CashAndDueFromBanks

us-gaap:CashUninsuredAmount
us-gaap:DebtInstrument
us-gaap:ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding

us-gaap:ContractualObligation

us-gaap:DebtLongtermAndShorttermCombinedAmount
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:TradingActivityByType
us-gaap:LongtermDebtType

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
us-gaap:InvestmentType

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:InvestmentType

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
us-gaap:InvestmentType

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:InvestmentType

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition
us-gaap:InvestmentType

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
us-gaap:InvestmentType

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses

us-gaap:DeferredTaxAssetsUnrealizedLossesOnTradingSecurities

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:Deposits
us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementBasis
us-gaap:DepositsFairValueDisclosure
us-gaap:BalanceSheetLocation
us-gaap:DerivativeAssetFairValueGrossLiability
us-gaap:BalanceSheetLocation
us-gaap:DerivativeAssets
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeAssetsLiabilitiesAtFairValueNet
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:DebtInstrument
us-gaap:DerivativeBasisSpreadOnVariableRate
us-gaap:BalanceSheetLocation
us-gaap:DerivativeCollateralObligationToReturnCash

us-gaap:DerivativeCollateralRightToReclaimCash
us-gaap:BalanceSheetLocation
us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation
us-gaap:DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral
us-gaap:BalanceSheetLocation
us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:BalanceSheetLocation
us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
us-gaap:BalanceSheetLocation
us-gaap:DerivativeLiabilities
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency
us-gaap:BalanceSheetLocation
us-gaap:DerivativeLiabilityFairValueGrossAsset

us-gaap:DerivativeNotionalAmount
slm:DerivativeMarketExchange
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:ConsolidatedEntities
us-gaap:DueToAffiliateCurrentAndNoncurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType

us-gaap:FairValueDisclosureOffbalanceSheetRisksAmountLiability
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:FairValueByMeasurementBasis
us-gaap:FinancialLiabilitiesFairValueDisclosure

us-gaap:FinancingReceivableAllowanceForCreditLosses
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

us-gaap:FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

us-gaap:FinancingReceivableCollectivelyEvaluatedForImpairment
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

us-gaap:FinancingReceivableIndividuallyEvaluatedForImpairment
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
slm:CreditQualityIndicators, us-gaap:Collateral, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
slm:CreditQualityIndicators, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
slm:CreditQualityIndicators, us-gaap:Collateral, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
slm:CreditQualityIndicators, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
slm:CreditQualityIndicators, us-gaap:Collateral, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear
slm:CreditQualityIndicators, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
slm:CreditQualityIndicators, us-gaap:Collateral, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
slm:CreditQualityIndicators, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
slm:CreditQualityIndicators, us-gaap:Collateral, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
slm:CreditQualityIndicators, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
slm:CreditQualityIndicators, us-gaap:Collateral, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
slm:CreditQualityIndicators, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivablePercentPastDue1
us-gaap:ProductOrService
us-gaap:FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentCurrent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivableRecordedInvestmentPastDue
us-gaap:FairValueByAssetClass
us-gaap:HedgedAssetFairValueHedgeCumulativeIncreaseDecrease
us-gaap:FairValueByAssetClass
us-gaap:HedgedLiabilityFairValueHedge
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
us-gaap:ImpairedFinancingReceivableRecordedInvestment
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
us-gaap:ImpairedFinancingReceivableRelatedAllowance
us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType
us-gaap:ImpairedFinancingReceivableUnpaidPrincipalBalance

us-gaap:IncomeTaxReceivable
us-gaap:ConsolidatedEntities
us-gaap:FairValueByMeasurementBasis

us-gaap:InterestBearingDepositLiabilities

us-gaap:InterestBearingDomesticDepositMoneyMarket

us-gaap:InterestBearingDomesticDepositSavings

us-gaap:InterestBearingDomesticDepositTimeDeposits

us-gaap:InterestPayableCurrent

us-gaap:InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet

us-gaap:InterestReceivable

us-gaap:Investments
us-gaap:FairValueByMeasurementBasis
us-gaap:InvestmentsFairValueDisclosure

us-gaap:LoansHeldForSaleFairValueDisclosure
us-gaap:FairValueByMeasurementBasis
us-gaap:DebtInstrument
us-gaap:LoansPledgedAsCollateral
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:LoansReceivableFairValueDisclosure

us-gaap:LoansReceivableHeldForSaleNetNotPartOfDisposalGroup
us-gaap:FairValueByMeasurementBasis
us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:LongtermDebtType

us-gaap:LongtermDebtWeightedAverageInterestRate
us-gaap:DebtInstrument

us-gaap:NoninterestBearingDepositLiabilities
slm:CreditQualityIndicators, us-gaap:Collateral, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:NotesReceivableGross
slm:CreditQualityIndicators, us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
slm:CreditQualityIndicators, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:TradingActivityByType

us-gaap:NotesReceivableNet
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:OffBalanceSheetCreditLossLiability
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
us-gaap:CumulativeEffectPeriodOfAdoption

us-gaap:OperatingLossCarryforwardsValuationAllowance

us-gaap:OtherInterestEarningAssets

us-gaap:OtherInvestments

us-gaap:OtherLiabilities
us-gaap:ConsolidatedEntities

us-gaap:PreferredStockLiquidationPreference
us-gaap:ConsolidatedEntities, us-gaap:StatementClassOfStock
us-gaap:PreferredStockValue

us-gaap:PreferredStockValueOutstanding
us-gaap:StatementClassOfStock
us-gaap:DebtInstrument
us-gaap:PrincipalAmountOutstandingOnLoansHeldForSaleOrSecuritization

us-gaap:QualifiedAffordableHousingProjectInvestmentsCommitment

us-gaap:RestrictedCashAndInvestments
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:ShortTermBorrowings
us-gaap:FairValueByMeasurementBasis
us-gaap:ShorttermDebtFairValue
us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock
us-gaap:StockRepurchaseProgramAuthorizedAmount1
us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock

us-gaap:TierOneLeverageCapital

us-gaap:TierOneLeverageCapitalRequiredToBeWellCapitalized
us-gaap:RiskWeightedAssetsCalculationMethodology

us-gaap:TierOneLeverageCapitalToAverageAssets

us-gaap:TierOneRiskBasedCapitalRequiredToBeWellCapitalized
us-gaap:RiskWeightedAssetsCalculationMethodology

us-gaap:TimeDepositMaturitiesAfterYearFive

us-gaap:TimeDepositMaturitiesYearFive

us-gaap:TimeDepositMaturitiesYearFour

us-gaap:TimeDepositMaturitiesYearThree

us-gaap:TimeDepositMaturitiesYearTwo

us-gaap:TimeDeposits

us-gaap:TimeDeposits100000OrMore

us-gaap:TradeReceivablesHeldForSaleNetNotPartOfDisposalGroup
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument
us-gaap:TradingSecurities

us-gaap:TradingSecuritiesDebt
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementFrequency

us-gaap:TradingSecuritiesDebtAmortizedCost
us-gaap:ConsolidatedEntities
us-gaap:TreasuryStockShares
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:WeightedAverageRateDomesticDepositMoneyMarket

us-gaap:WeightedAverageRateDomesticDepositSavings

us-gaap:WeightedAverageRateDomesticDepositTimeDeposits

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Income Tax Expense Benefit
Balance Sheet
Cash And Cash Equivalents At Carrying Value
Assets
Other Assets
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Other Liabilities
Noncurrent Liabilities
Long Term Debt
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
Per Share
Common Stock Dividends Per Share Cash Paid
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
DividendsAndRepurchase
Dividends Common Stock Cash
BanksAndOrInsurance
Interest And Dividend Income Operating
AssetsBanks
Other Assets
LiabilitiesBanks
Short Term Borrowings

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ▁▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▆▆▆▆▆▆▆▆▅▅▅▅▅█86.30286.21191.34691.31991.31791.28890.7290.70790.70290.66689.97289.96289.88289.80588.69388.45888.37388.07587.32786.88186.76986.68486.13686.07586.00385.58784.96184.77784.659110.0109.0109.0109.0108.0107.0107.0107.0106.0106.0106.0105.725105.499119.053NANANA
 us-gaap:CommonStockParOrStatedValuePerShare us-gaap:ShareRepurchaseProgram,us-gaap:StatementClassOfStock slm:TenderOffer,us-gaap:CommonStockNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CommonStockParOrStatedValuePerShare us-gaap:ShareRepurchaseProgram,us-gaap:StatementClassOfStock,us-gaap:SubsequentEventType slm:TenderOffer,us-gaap:CommonStock,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CommonStockParOrStatedValuePerShare us-gaap:StatementClassOfStock us-gaap:SeriesBPreferredStockNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CommonStockSharesIssued us-gaap:ConsolidatedEntities srt:ParentCompanyNANA456.7NANANA453.6NANANA449.9NANANA443.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PreferredStockSharesIssued us-gaap:ConsolidatedEntities,us-gaap:StatementClassOfStock srt:ParentCompany,us-gaap:SeriesBPreferredStockNANA2.5NANANA4.0NANANA4.0NANANA4.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CommonStockSharesAuthorized us-gaap:StatementClassOfStock us-gaap:SeriesBPreferredStockNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█317.119366.24NA377.918375.009412.755NA427.336432.253438.248NA440.019439.445438.977NA438.419438.115438.735NA433.523431.796430.903NA432.547432.742432.302NA431.604430.75435.0NA445.0448.0458.0NA471.0488.0510.0NA511.0523.808531.964NA485.0527.391526.631
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁█312.183361.042NA375.094375.009409.786NA424.149429.278434.574NA435.468435.187433.952NA431.718431.245429.891NA428.077427.942427.111NA426.019425.688424.428NA423.079422.805427.0NA436.0440.0451.0NA464.0482.0503.0NA511.0523.808526.746NA485.0484.832484.259
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 1.0NANANA7.0NANA0.01.02.0NA0.00.00.0NA0.00.00.0NA1.01.06.0NA2.02.02.0NA3.04.03.0NA3.04.0NANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasic ▅█▆▅▃▆▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▅▅▅▇▆▅▅▅▄▆▃▄▄▆▁▅▅0.451.771.150.45-0.230.880.330.290.340.350.330.230.240.280.10.170.150.210.150.120.120.140.20.10.20.10.040.180.10.50.610.581.220.760.750.390.590.211.0-0.1-0.020.320.88-1.060.660.46
us-gaap:EarningsPerShareDiluted ▅█▆▅▃▆▄▄▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▅▅▅▇▅▅▅▅▄▆▃▄▄▆▁▅▅0.441.751.130.45-0.230.870.320.290.340.350.330.230.240.280.10.170.150.20.150.120.120.140.20.090.20.10.030.180.090.490.60.571.20.740.740.390.590.210.99-0.1-0.020.320.84-1.060.630.45
us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets ███▇▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1.37e-051.35e-051.4e-051.2699999999999999e-051.24e-071.24e-071.22e-071.1500000000000001e-071.19e-071.19e-071.2099999999999998e-071.1500000000000001e-071.2e-071.17e-071.19e-071.18e-071.25e-071.23e-071.26e-071.24e-071.35e-071.34e-071.44e-071.33e-071.5199999999999998e-071.36e-071.5e-071.57e-071.5199999999999998e-07NA1.64e-07NANANANANANANANANANANANANANANA
us-gaap:CapitalToRiskWeightedAssets █▇█▇▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1.4e-051.38e-051.5e-051.39e-051.3700000000000002e-071.3700000000000002e-071.34e-071.28e-071.3200000000000002e-071.3200000000000002e-071.33e-071.28e-071.33e-071.3e-071.31e-071.3e-071.3700000000000002e-071.33e-071.3800000000000002e-071.34e-071.45e-071.44e-071.54e-071.4099999999999998e-071.6e-071.44e-071.59e-071.65e-071.59e-07NA1.7299999999999997e-07NANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▅█▇▅▄▆▅▅▅▅▅▅▅▅▄▅▄▅▅▄▄▄▅▄▅▄▄▅▄▅▆▆▇▆▆▅▆▅▇▄▄▅▇▁▆▅142.638651.33437.441176.158-86.008331.266149.168121.854134.521149.743131.123107.404117.447138.51554.16879.80669.45696.92389.38463.00552.62152.70597.30133.657100.15238.50810.17681.43945.915213.0274.0259.0555.0348.0350.0189.0290.0116.0516.0-37.00.117183.957446.543-496.0336.996238.454
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▅█▇▅▃▆▅▅▅▅▅▄▅▅▅▅▅▅▅▄▄▄▅▄▅▄▄▅▄▆▆▆█▇▆▅▆▅█▃▄▅█▁▇▆193.375844.732560.01226.217-115.875483.654176.018169.159184.078214.485191.96150.211149.906167.251113.193116.988115.33145.954113.364104.52291.76104.79144.7663.709151.17479.42144.182137.82976.069355.0341.0388.0807.0557.0505.0291.0459.0178.0794.0-116.0-26.715276.135760.299-620.0543.75405.914
us-gaap:IncomeTaxExpenseBenefit ▄▆▅▄▃▅▄▄▄▄▄▂▄▄▄▄▄▄▄▄▄▄▄▃▄▄▃▄▄▅▅▅█▇▆▅▆▄█▂▃▅▇▁▆▆53.174203.525127.3155.189-30.664121.48134.66640.70133.80156.29644.449-53.66740.07440.99766.1940.61744.71351.01143.12247.55734.55538.87554.91517.98560.15831.72224.46554.90331.941136.0129.0136.0300.0211.0156.0104.0168.067.0285.0-46.0-9.58599.711260.687-126.055198.978159.16
us-gaap:IncomeTaxesPaid █▄▃█▄▄▄▅▆▄▅▄▆▄▅▅▆▄▅▅▅▅▄▅▅▄▆▅▅▅▁▇231.3980.8870.001220.4624.0313.6316.65453.102128.3363.766.82650.075109.2791.89465.95776.493138.4021.42670.50352.04593.09656.07734.58479.64273.66117.811107.71894.334100.51599.267-128.168199.047NANANANANANANA131.829198.928165.243NA66.8143.0935.097
us-gaap:InterestAndFeeIncomeLoansAndLeases ▆▆▆▆▇█████▇▇▆▆▅▅▄▄▄▃▃▃▂▂▂▂▂▂▂▂▁▁▁430.099431.804475.725477.833480.17555.277577.087564.698553.905553.479524.597485.997454.045430.048392.399359.61336.739324.757295.241268.341251.675245.23218.703205.274195.287197.856174.413164.106162.238160.035142.446131.03122.212NANANANANANANANANANANANANA
us-gaap:InterestExpense ▂▂▂▂▂▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▇▇▇▇▇▇████▇▇▇▇█▇▇95.906105.044113.018117.811136.02174.817181.365185.326176.854164.172155.346140.964121.361104.61790.30584.16372.20261.41254.57949.26242.47539.59234.54133.45930.21730.40227.97324.17721.034530.0544.0541.0553.0571.0593.0645.0657.0666.0624.0591.0591.427594.595535.771639.0568.933531.384
us-gaap:InterestExpenseLongTermDebt ▇▇▇▆▇▇▇██▇█▇▆▅▅▅▅▄▃▃▂▂▂▁▁▁▁▁32.9535.24435.26430.88732.37535.48837.10340.53339.12237.0237.99534.71529.62824.76821.9820.46920.27815.32312.3099.4485.0063.4153.342.3980.00.00.00.0NANANANANANANANANANANANANANANANANANA
us-gaap:InterestIncomeExpenseNet ▃▃▃▃▃▃▄▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▇▇▇▇▇▇▇▇▇████████338.784331.114366.537364.567348.775400.116419.101405.065396.868402.281382.867356.633340.95332.614309.191282.061269.893268.076245.434223.275212.766209.863187.846175.442168.257170.954150.676144.026144.539766.0789.0799.0784.0795.0832.0819.0746.0811.0879.0885.0868.407897.966856.811871.934895.922854.477
us-gaap:InterestPaidNet ▄▁▄▃▆▆█▇█▆▆▄▄▂▁116.44876.491115.29398.032153.102151.017176.419166.321176.043147.235144.661119.926113.13594.73777.529NANANANANANANANANANANANANANA519.0517.0525.0553.0568.0614.0637.0644.0632.0599.0588.959612.522612.519609.182618.501595.424549.075
us-gaap:NetIncomeLoss ▅█▇▅▄▆▅▅▅▅▅▅▅▅▄▅▄▅▄▄▄▄▅▄▅▄▄▅▄▅▆▆▇▆▆▅▆▅▇▄▄▅▇▁▆▆140.201641.207432.7171.028-85.211362.173141.352128.458150.277158.189147.512103.878109.832126.25447.00376.37170.61794.94370.24256.96557.20565.91589.84545.72491.01647.69919.71782.92644.128219.0270.0260.0543.0346.0348.0188.0292.0112.0511.0-47.0-5.648174.694447.0-495.0337.818240.14
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▅█▇▅▄▆▅▅▅▅▅▅▅▅▄▅▅▅▅▄▄▄▅▄▅▄▄▅▄▅▆▆▇▆▆▅▆▅▇▄▄▅▇▁▆▅139.009640.006430.966168.97-87.689358.709137.467124.305145.946153.721143.31399.754105.912122.85743.86673.34366.64389.36864.73651.64951.96260.77684.85640.81186.14642.87614.86278.07640.9214.0265.0255.0538.0341.0343.0183.0287.0107.0506.0-52.0-9.7170.816431.404-513.734319.107221.463
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted 139.009NANANA-87.689NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA-52.0NANANA-514.0NANA
us-gaap:OperatingExpenses ▂▁▁▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▃▃▃▃▃▂▂▂▃▂▃▃▃▃█▃▃128.01124.499121.743127.49141.557147.298141.679153.621138.806140.147145.971150.632135.223124.874118.55116.142111.251102.67798.03699.70994.77792.88585.24592.86489.79981.18777.36272.07960.479366.0305.0257.0258.0270.0252.0244.0239.0262.0243.0285.0268.719303.2318.388971.43319.439297.347
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▆▇▆▆▅▁▆▄▃▄▃▆▆▇▆▆▅▆█▆▅▃▆▄▇▄▄▅▆▄▆▅▇▆▆▆▅▆▆▇▆2.43710.1234.7415.13-0.797-30.9077.816-6.604-15.756-8.446-16.3893.5267.61512.2617.1653.435-1.1611.9819.1426.04-4.584-13.217.456-12.0679.136-9.191-9.541-1.4871.787-6.05.0-1.013.02.02.02.0-1.05.06.010.06.0NANANANANA
us-gaap:PreferredStockDividendsIncomeStatementImpact ▂▃▃▄▄▅▆▆▆▇▆▆▆▅▅▅▆████▇▇▇▇▇▇▇▅▁▁▁▁▁1.1921.2011.7342.0582.4783.4643.8854.1534.3314.4684.1994.1243.923.3973.1373.0283.9745.5755.5065.3165.2435.1394.9894.9134.874.8234.8554.853.2280.00.00.00.00.0NANANANANANANANANANANANA
us-gaap:ProfitLoss ▅█▇▅▄▆▅▅▅▅▅▅▅▅▄▅▄▅▄▄▄▄▅▄▅▄▄▅▄▅▆▆▇▆▆▅▆▅▇▄▄▅▇▁▆▆140.201641.207432.7171.028-85.211362.173141.352128.458150.277158.189147.512103.878109.832126.25447.00376.37170.61794.94370.24256.96557.20565.91589.84545.72491.01647.69919.71782.92644.128219.0270.0260.0542.0346.0348.0187.0291.0111.0511.0-47.0-6.0175.0447.371-494.947337.818240.14
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▆▆▆▆▇▇▇▇██████28925.17530628.00530770.42330642.42130412.1131760.89532686.47931160.21529585.22627613.62526638.17325691.18324189.17623406.32221779.58421016.1719513.29619236.50118533.00317745.61315629.92915324.77315214.09814450.54412874.96112933.52412972.24311714.95211379.339156472.0159543.0161570.0161468.0174086.0181260.0184203.0189079.0191692.0193345.0197544.0200356.599203354.808205307.049NANANA
us-gaap:Liabilities ▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▆▆▆▆▇▇▇▇▇█████26621.79728019.54128207.58828441.97528395.19129640.31229374.64327977.08326487.9124566.09123665.51722850.84821460.47420796.48919305.32818594.3317175.58616801.14516185.94515486.11713433.01813180.84813117.77512453.2110912.78811067.61111142.2859896.5249641.075150874.0153901.0155938.0156034.0168932.0176194.0179257.0184141.0186647.0188094.0192762.0195345.36198147.721200295.471NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▆▆▆▆▇▇▇▇██████28925.17530628.00530770.42330642.42130412.1131760.89532686.47931160.21529585.22627613.62526638.17325691.18324189.17623406.32221779.58421016.1719513.29619236.50118533.00317745.61315629.92915324.77315214.09814450.54412874.96112933.52412972.24311714.95211379.339156472.0159543.0161570.0161468.0174086.0181260.0184203.0189079.0191692.0193345.0197544.0200356.599203354.808205307.049NANANA
us-gaap:TierOneRiskBasedCapital ▇▇█▇▆▇▇▇▆▆▆▅▅▅▄▄▄▄▃▃▃▃▂▂▂▂▁▁▁3190.2573164.9623579.0053230.0783085.1333112.7633264.3093123.2623008.3182989.5252896.0912735.6222617.0212494.9642350.0812285.7672199.9792117.9572011.5831928.9791863.5831800.0691734.3151639.2351587.5621482.8561413.9881389.1221291.39NA1221.416NANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CashAndCashEquivalentsAtCarryingValue ▅▇▅▅▅█▆▄▄▂▃▂▂▂▂▁▁▁▂▂▁▁▃▁▁▁▃▂▂▄▆▅▄▄▄▃▃▃▃▄▅▄▅▆▇█4497.316207.0014455.2924351.0454988.9617292.9295563.8773851.6083998.5142156.2572559.1061839.0542043.7891435.6491534.3391247.7641318.1681077.5761918.7931454.9381042.915938.482416.2191281.7971278.863875.6222359.781570.3781524.1763742.05190.04329.03327.03685.03900.03083.03020.03043.02794.03523.04144.7343871.4764342.3275875.06267.0396840.902
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▅▇▅▅▅█▆▄▄▂▃▂▂▁▂▁▁▁▂4661.2656371.7094609.7094513.4935104.1537482.3685720.763994.4544139.9552309.8092681.8951954.7122158.4481555.7331636.1751314.3891380.6341171.7221972.51NANANA2444.199NANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:PropertyPlantAndEquipmentGross NANA238.099NANANA214.227NANANA170.092NANANA144.231NANANA136.207NANANA120.825NANANA110.585NANANA120.947NANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingAndBuildingImprovementsNANA120.971NANANA105.986NANANA71.919NANANA61.409NANANA60.919NANANA56.446NANANA56.772NANANA52.435NANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:FurnitureAndFixturesNANA28.272NANANA25.694NANANA20.794NANANA15.261NANANA15.026NANANA12.275NANANA10.898NANANA25.633NANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandAndLandImprovementsNANA12.356NANANA12.356NANANA12.356NANANA12.356NANANA12.574NANANA12.574NANANA10.927NANANA10.345NANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:SoftwareAndSoftwareDevelopmentCostsNANA76.5NANANA70.191NANANA65.023NANANA55.205NANANA47.688NANANA39.53NANANA31.988NANANA32.534NANANANANANANANANANANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA83.429NANANA79.478NANANA64.588NANANA54.483NANANA49.144NANANA39.552NANANA32.115NANANA46.759NANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet ███▇▇▇▆▆▆▆▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁153.969155.425154.67148.773147.738143.622134.749135.208129.658130.536105.504105.058101.33597.21189.74888.97588.97887.98287.06386.72186.51281.26181.27380.22480.43279.82278.4778.80677.833NA74.188NANANANANANANANANANANANANANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA355.305NANANA113.9NANANA95.804NANANA33.224NANANANANANANANANANANA-158.216NANANA1319.0NANANA1453.0NANANA1471.0NANANA1438.185NANANA
us-gaap:EquitySecuritiesFvNi █▁▁▁▁▁▁▁69.026.026.026.026.026.026.026.0NANA8.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:TimeDepositMaturitiesYearOne NANA5728.556NANANA4934.933NANANA4098.52NANANA3716.183NANANA2565.246NANANA2667.98NANANA1717.891NANANA2030.19NANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebt ████▇▇▇▇█▇▇▇▇▆▅▄▄▄▃▃▂▁▁▁4989.064918.675189.2174947.6474449.7674708.0364354.0374601.8884862.7634476.4064284.3044532.2214217.1193744.3453275.272738.6622872.2312837.3472167.9791577.6891038.029558.513579.101593.687NANA0.0NANA136177.0136648.0136944.0135879.0147887.0152401.0154786.0155476.0155588.0154393.0156810.0160765.277161886.309163543.5040.0NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▂▃▂▂▁▂▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁████▇▇▇▇▇▇▆▇▇▇▆▇▆2303.3782608.4642562.8352200.4462016.9192120.5833311.8363183.1323097.3163047.5342972.6562840.3352728.7022609.8332474.2562421.842337.712435.3562347.0582259.4962196.9112143.9252096.3231997.3341962.1731865.9131829.9581818.4281738.2645598.05642.05632.05434.05154.05066.04946.04938.05045.05251.04782.05011.2395207.0875011.5784574.05086.7484755.696
us-gaap:CommonStockValue ▁▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▆▆▆▆▆▆▆▆▅▅▅▅▅█86.30286.21191.34691.31991.31791.28890.7290.70790.70290.66689.97289.96289.88289.80588.69388.45888.37388.07587.32786.88186.76986.68486.13686.07586.00385.58784.96184.77784.659110.0109.0109.0109.0108.0107.0107.0107.0106.0106.0106.0105.725105.499119.053NANANA
us-gaap:AdditionalPaidInCapital ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▆▆▆▆▆▆▆▆▅▅▅▅▅█1058.6981052.9041331.2471243.4821234.451226.8861307.631301.6281296.4091290.6831274.6351268.7631260.2011252.6091222.2771213.1981205.0371191.4661175.5641157.2481149.7831142.5021135.861128.4941120.9231106.4151090.5111078.5011071.9164461.04399.04373.04355.04291.04237.04219.04196.04182.04136.04127.04114.2664092.3345939.838NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▇▇▅▄▄▄▆▅▅▅▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁██▇▇▅▅▄▄▃▃▂▂▂▂2480.6722350.9861722.3651302.6541133.2691243.7221850.5121725.6741600.8551480.7181340.0171196.8951096.359990.447868.182824.316750.973684.165595.322530.594478.947426.986366.609281.761240.967154.824113.06698.2120.1672733.02584.02385.02195.01723.01451.01165.01040.0814.0770.0315.0417.702479.655308.839NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▃▃▂▂▁▁▄▃▄▆▆██▇▆▅▅▅▅▃▂▃▄▃▄▃▄▅▅▆▇▆▆▅▅▅▄▄▄▃▂▂▁-21.64-24.077-34.2-38.941-44.071-43.274-12.367-20.183-13.5792.17710.62327.01223.21615.6012.748-4.417-7.852-6.691-8.671-27.813-33.853-29.269-16.059-23.515-11.448-20.584-11.393-1.852-0.3657.013.08.09.0-4.0-6.0-8.0-10.0-9.0-14.0-20.0-29.636-35.401-44.664NANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities srt:ParentCompanyNANA-34.2NANANA-12.367NANANA10.623NANANA2.748NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:TreasuryStockValue ▇▆▆▆▆▆▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄██▇▇▇▆▆▆▅▅▅▄▄▁1551.7241108.63798.993798.068798.046798.039324.659314.694277.071216.71142.591142.297140.956138.629107.64499.71598.82186.65967.48452.41449.73547.97841.22340.48139.27225.32912.1876.2083.1132283.02033.01813.01804.01535.01294.01108.0967.0620.0320.0319.0170.4960.0-1876.488NANANA
us-gaap:StockIssuedDuringPeriodValueNewIssues ▁█-0.042.061NA0.016-0.0012.872NA0.0920.1752.851NA3.0752.15316.699NA1.9737.9596.535NA2.3811.152.707NANANANA4.0732.1652.44534.013.08.051.034.013.017.05.027.02.03.012.30522.9353.5453.03.7986.639
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital▁▁▁▁▁▁▁▁▁▁▁▁▁▃▁▁▂▂▃▁▁▁▁▁▂▂▂▁▁▆▃▂█▆▃▃▂▅▁▁▃▄▁▁▂▂-0.1311.4960.6780.014-0.032.3040.2430.0870.1392.1570.1762.9952.07615.5872.9531.8887.6615.78712.5072.2691.0652.1590.4762.0228.2574.053.8892.0472.34433.013.08.050.033.013.017.04.027.02.03.012.07922.4743.1843.03.7656.401
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:CommonStock▂▅▁▁▁▅▁▁▁▅▁▂▁█▂▂▃▆▄▂▂▄▁▁▄▅▂▂▂▇▁▁▇▇▁▁▇0.0910.5650.0270.0020.0290.5680.0130.0050.0360.6940.010.080.0771.1120.2350.0850.2980.7480.4460.1120.0850.5480.0610.0720.4160.6260.1840.1180.1011.00.00.01.01.00.00.01.0NA0.00.3130.2260.461NANA0.0330.238
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▁█6.44411.124NA9.1867.57913.61NA5.3075.58213.891NA5.5675.51614.745NA6.2736.0759.425NA5.4026.3326.216NANANANA4.8444.5057.04518.010.08.010.019.06.08.010.022.08.011.012.06924.9928.4925.013.80212.235
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▇▇▇▇▇▇▇▇▇▇▇▇▇█▆▃▁-225.68545.75226.482-147.006-206.559144.41461.76-14.357-79.75916.715-10.341-12.906-65.336-14.158-45.591-15.695-102.013-3.613-61.556-32.704-58.892-47.7837.629-44.944-64.707-19.181-198.551-6.364-789.858558.0568.0478.0425.0529.0807.0804.0470.0555.01007.0706.863608.218758.9191960.506-85.611-3017.973-5549.416
us-gaap:NetCashProvidedByUsedInInvestingActivities ▃▆▃▃▂▅▃▁▃▂▃▁▃▁▃▁▃▁▃▁▃▁▄▁▄▂▃▃▁▄▆▄▇▅▇█▅▅▆▅▆▆▅▆▅▅396.8282390.362334.436-464.127-1041.2012118.222278.544-1541.809150.228-1193.677-39.602-1626.279-48.016-1540.966-381.423-1456.46153.9-1428.532-243.49-1500.424-125.917-1461.21427.723-1495.418588.064-1367.878-363.263-192.674-1824.434992.02570.01035.03421.02184.03348.04439.02081.01977.02304.01863.0452848.6922458.2632194.112277.2161389.1571553.627
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▄▅▅▄▄▆▆▆▅▅▆▅▆▅▆▅▅▅▆▅▅▅▆▅▅▆▅▇▃▃▄▂▃▃▁▃▃▂▃▃▂▁▃▆█-1881.587-674.114-264.70220.473-1130.455-501.0281386.0021410.6651759.677804.876777.1261435.449716.0671474.682713.5891401.752288.705590.928768.9011945.151289.24431.251669.071543.296-120.116-97.0991351.216245.243403.603-2998.0-2277.0-511.0-4204.0-2928.0-3338.0-5180.0-2574.0-2283.0-4040.0-3192.315-3183.652-3688.033-5687.302-2583.6311054.9534766.678
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▂█▅▄▁██▅█▄▆▅-1710.4441762.096.216-590.66-2378.2151761.6081726.306-145.5011830.146-372.086727.183-203.736NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▅█▃▅▄▇▂▅▅▆▃▄▅▅▁▅▅▅▁▅▅▅▁▅▆▅▂▅▅▅53.174203.525-73.2355.189-30.664121.481-140.51240.70133.80156.296-90.705-53.66740.07440.997-195.09340.61744.71351.011-209.71947.55734.55538.875-187.09217.98560.15831.722-156.3954.90331.94128.658NANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▇▇▇▇▇▇▇▇▇▇▇▇▇█▆▃▁-225.68545.75226.482-147.006-206.559144.41461.76-14.357-79.75916.715-10.341-12.906-65.336-14.158-45.591-15.695-102.013-3.613-61.556-32.704-58.892-47.7837.629-44.944-64.707-19.181-198.551-6.364-789.858558.0568.0478.0425.0529.0807.0804.0470.0555.01007.0706.863608.218758.9191960.506-85.611-3017.973-5549.416
us-gaap:NetIncomeLoss ▅█▇▅▄▆▅▅▅▅▅▅▅▅▄▅▄▅▄▄▄▄▅▄▅▄▄▅▄▅▆▆▇▆▆▅▆▅▇▄▄▅▇▁▆▆140.201641.207432.7171.028-85.211362.173141.352128.458150.277158.189147.512103.878109.832126.25447.00376.37170.61794.94370.24256.96557.20565.91589.84545.72491.01647.69919.71782.92644.128219.0270.0260.0543.0346.0348.0188.0292.0112.0511.0-47.0-5.648174.694447.0-495.0337.818240.14
us-gaap:ProfitLoss ▅█▇▅▄▆▅▅▅▅▅▅▅▅▄▅▄▅▄▄▄▄▅▄▅▄▄▅▄▅▆▆▇▆▆▅▆▅▇▄▄▅▇▁▆▆140.201641.207432.7171.028-85.211362.173141.352128.458150.277158.189147.512103.878109.832126.25447.00376.37170.61794.94370.24256.96557.20565.91589.84545.72491.01647.69919.71782.92644.128219.0270.0260.0542.0346.0348.0187.0291.0111.0511.0-47.0-6.0175.0447.371-494.947337.818240.14
us-gaap:ShareBasedCompensation ▄▅▄▅▄▆▄▄▄▆▄▄▄▆▄▄▄▅▄▄▄▄▄▄▄▄▄▅▁▇▅▅▅▇▄▅▅▇▅▅▅█▅▄▆▅6.44411.1246.2119.2447.39913.615.7595.3685.58213.8915.6725.5675.51614.7456.1276.2736.0759.4254.955.4026.3326.2165.1755.2135.076.144.84411.659-9.53218.010.08.010.019.06.09.010.022.08.010.93912.06924.9928.754.90313.81912.278
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▃▆▃▃▂▅▃▁▃▂▃▁▃▁▃▁▃▁▃▁▃▁▄▁▄▂▃▃▁▄▆▄▇▅▇█▅▅▆▅▆▆▅▆▅▅396.8282390.362334.436-464.127-1041.2012118.222278.544-1541.809150.228-1193.677-39.602-1626.279-48.016-1540.966-381.423-1456.46153.9-1428.532-243.49-1500.424-125.917-1461.21427.723-1495.418588.064-1367.878-363.263-192.674-1824.434992.02570.01035.03421.02184.03348.04439.02081.01977.02304.01863.0452848.6922458.2632194.112277.2161389.1571553.627
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▄▅▅▄▄▆▆▆▅▅▆▅▆▅▆▅▅▅▆▅▅▅▆▅▅▆▅▇▃▃▄▂▃▃▁▃▃▂▃▃▂▁▃▆█-1881.587-674.114-264.70220.473-1130.455-501.0281386.0021410.6651759.677804.876777.1261435.449716.0671474.682713.5891401.752288.705590.928768.9011945.151289.24431.251669.071543.296-120.116-97.0991351.216245.243403.603-2998.0-2277.0-511.0-4204.0-2928.0-3338.0-5180.0-2574.0-2283.0-4040.0-3192.315-3183.652-3688.033-5687.302-2583.6311054.9534766.678
us-gaap:PaymentsOfDividendsCommonStock ▆▇▇▇▇█████▁▁▁▁9.26410.90611.25411.25311.24912.59512.62912.66112.80413.020.00.00.00.0NANANANANANANANANANANANANANANA64.065.065.066.068.057.057.060.063.051.051.0NANANANANANA
us-gaap:Dividends 123.0NANANA27.0541.0NA20.0136.085.0NA0.00.00.0NA0.00.00.0NA0.00.00.0NA0.00.00.00.00.00.00.00.00.00.0NANANANANANANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▇█▁▁▁█▁▁▂▂▁▁▁▁476.508550.790.00.00.0558.1679.60437.47760.1260.00.00.00.00.0NANANANANANANANANANANANANANANA200.0200.00.0201.0199.0170.0121.0341.0268.00.0144.0NANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8686919191919090909089898989888888888786868686868685848484110109109109108107107107106106106105105119110
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.30.30.30.30.30.30.30.30.40.40.40.40.40.50.50.50.50.60.60.60.60.70.70.70.70.70.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

us-gaap:CommonStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value91908988
Percentage of CommonStockValue100.0100.0100.0100.0
Percentage of Assets0.30.30.30.4
Percentage of Assets srt:ParentCompany2.82.62.83.1

us-gaap:CommonStockValue us-gaap:StatementClassOfStock

us-gaap:SeriesBPreferredStock


Common
Period End2020-11-30
Value68
Percentage of CommonStockValue0.0
Percentage of Assets0.0
Percentage of Assets us-gaap:SeriesBPreferredStock0.0

Common Stock Par Or Stated Value Per Share

us-gaap:CommonStockParOrStatedValuePerShare us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock

us-gaap:CommonStockParOrStatedValuePerShare

slm:TenderOffer, us-gaap:CommonStock


Common
Period End2021-02-02
Value0.2
Percentage of CommonStockParOrStatedValuePerShare100.0

us-gaap:CommonStockParOrStatedValuePerShare us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

slm:TenderOffer, us-gaap:CommonStock, us-gaap:SubsequentEvent


Common
Period End2021-02-02
Value0.2
Percentage of CommonStockParOrStatedValuePerShare100.0

us-gaap:CommonStockParOrStatedValuePerShare us-gaap:StatementClassOfStock

us-gaap:SeriesBPreferredStock


Common
Period End2020-11-30
Value45.0
Percentage of CommonStockParOrStatedValuePerShare0.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued us-gaap:ConsolidatedEntities

us-gaap:CommonStockSharesIssued

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value456453449443
Percentage of CommonStockSharesIssued100.0100.0100.0100.0

Preferred Stock Shares Issued

us-gaap:PreferredStockSharesIssued us-gaap:ConsolidatedEntities, us-gaap:StatementClassOfStock

us-gaap:PreferredStockSharesIssued

srt:ParentCompany, us-gaap:SeriesBPreferredStock


Preferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value2500000.04000000.04000000.04000000.0
Percentage of PreferredStockSharesIssued100.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized us-gaap:StatementClassOfStock

us-gaap:CommonStockSharesAuthorized

us-gaap:SeriesBPreferredStock


Common
Period End2020-10-31
Value2.0
Percentage of CommonStockSharesAuthorized100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value317366377375412427432438440439438438438438433431430432432432431430435445448458471488510511523531485527526
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value312361375375409424429434435435433431431429428427427426425424423422427436440451464482503511523526485484484
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302020-06-302019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value1.07.00.01.02.00.00.00.00.00.00.01.01.06.02.02.02.03.04.03.03.04.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.00.0100.0100.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value0.451.771.150.45-0.230.880.330.290.340.350.330.230.240.280.10.170.150.210.150.120.120.140.20.10.20.10.040.180.10.50.610.581.220.760.750.390.590.211.0-0.1-0.020.320.88-1.060.660.460.540.25-0.32-0.1
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value0.441.751.130.45-0.230.870.320.290.340.350.330.230.240.280.10.170.150.20.150.120.120.140.20.090.20.10.030.180.090.490.60.571.20.740.740.390.590.210.99-0.1-0.020.320.84-1.060.630.450.520.25-0.32-0.1
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Tier One Risk Based Capital To Risk Weighted Assets

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets


Tier
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value13.713.514.012.70.1240.1240.1220.1150.1190.1190.1210.1150.120.1170.1190.1180.1250.1230.1260.1240.1350.1340.1440.1330.1520.1360.150.1570.1520.164
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Capital To Risk Weighted Assets

us-gaap:CapitalToRiskWeightedAssets

us-gaap:CapitalToRiskWeightedAssets


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value14.013.815.013.90.1370.1370.1340.1280.1320.1320.1330.1280.1330.130.1310.130.1370.1330.1380.1340.1450.1440.1540.1410.160.1440.1590.1650.1590.173
Percentage of CapitalToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value142651437176-86.0083311491211341491311071171385479699689635252973310038108145213274259555348350189290116516-37.00.117183446-496.0336238
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating32.8149.391.236.5-17.757.624.820.623.426.424.421.625.431.713.621.820.329.429.823.120.621.143.816.150.519.15.748.427.716.420.619.341.525.524.612.920.77.934.4-2.50.012.332.1-32.823.017.2

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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value193844560226-115.875483176169184214191501491671131161151451131049110414463151794413776355341388807557505291459178794-116.0-26.715276760-620.0543405
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating44.5193.7116.846.9-23.984.129.328.732.137.935.710.132.438.328.331.933.744.337.838.436.042.065.130.576.239.424.781.945.927.425.629.060.440.835.419.932.712.152.9-7.9-1.818.554.6-41.037.129.3

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value5320312755-30.6641213440335644-53.667404066404451434734385417603124543113612913630021115610416867285-46.0-9.58599260-126.05519815922583-39.26-6.507
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating12.246.726.511.4-6.321.15.86.95.99.98.3-10.88.79.416.611.113.115.514.417.413.515.624.78.630.315.813.732.619.310.59.710.122.415.410.97.112.04.519.0-3.1-0.76.718.7-8.313.611.50.00.00.00.0

Income Taxes Paid

us-gaap:IncomeTaxesPaid

us-gaap:IncomeTaxesPaid


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value2310.8870.001220243.6316531283.766501091.89465761381.42670529356347973171079410099-128.16819913119816566435.097
Percentage of IncomeTaxesPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating53.20.20.045.75.00.62.89.022.40.712.410.123.60.416.520.940.50.423.519.136.522.515.638.137.18.860.356.160.77.7-9.614.98.913.611.14.42.90.4

Interest And Fee Income Loans And Leases

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestAndFeeIncomeLoansAndLeases


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value430431475477480555577564553553524485454430392359336324295268251245218205195197174164162160142131122
Percentage of InterestAndFeeIncomeLoansAndLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating98.999.099.299.199.096.696.195.696.597.797.597.798.298.498.298.298.498.698.498.598.698.398.398.398.498.397.697.698.012.310.79.89.1

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value95105113117136174181185176164155140121104908472615449423934333030272421530544541553571593645657666624591591594535639568531
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating22.124.123.624.428.130.430.231.430.829.028.928.326.323.922.623.021.118.618.218.116.615.915.516.015.215.115.714.412.740.940.840.441.441.841.644.146.845.141.540.040.539.838.542.338.838.3

us-gaap:InterestExpense us-gaap:HedgingDesignation, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:DesignatedAsHedgingInstrument, us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value-5.294-5.269-5.176-4.219-1.5280.5171.1891.296-0.021-0.579-1.543-2.689
Percentage of InterestExpense-5.5-5.0-4.4-3.1-0.90.30.70.8-0.0-0.5-1.5-3.2
Percentage of InterestAndDividendIncomeOperating-1.2-1.2-1.1-0.9-0.30.10.20.2-0.0-0.1-0.4-0.7
Percentage of InterestAndDividendIncomeOperating us-gaap:DesignatedAsHedgingInstrument us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense Long Term Debt

us-gaap:InterestExpenseLongTermDebt

us-gaap:InterestExpenseLongTermDebt


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value323535303235374039373734292421202015129.4485.0063.4153.342.3980.00.00.00.0
Percentage of InterestExpenseLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating7.68.17.46.46.76.26.26.96.86.57.17.06.45.75.55.65.94.74.13.52.01.41.51.10.00.00.00.0

Interest Income Expense Net

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value338331366364348400419405396402382356340332309282269268245223212209187175168170150144144766789799784795832819746811879885868897856871895854598525383215
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating77.975.976.475.671.969.669.868.669.271.071.171.773.776.177.477.078.981.481.881.983.484.184.584.084.884.984.385.687.359.159.259.658.658.258.455.953.254.958.560.059.560.261.557.761.261.70.00.00.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value11676115981531511761661761471441191139477519517525553568614637644632599588612612609618595549
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating26.817.524.020.331.626.329.428.230.726.026.924.124.521.719.440.038.839.241.441.643.143.545.942.839.939.942.041.043.740.940.639.6

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value140641432171-85.211362141128150158147103109126477670947056576589459147198244219270260543346348188292112511-47.0-5.648174447-495.0337240
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating32.3147.090.235.5-17.663.023.521.826.227.927.420.923.828.911.820.920.628.823.420.922.426.440.421.945.923.711.049.326.716.920.319.440.625.324.412.820.87.634.0-3.2-0.411.732.1-32.823.117.3

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value139640430168-87.68935813712414515314399105122437366896451516084408642147840214265255538341343183287107506-52.0-9.7170431-513.734319221258116-148.52-47.781
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating32.0146.789.935.0-18.162.422.921.125.427.126.620.022.928.111.020.019.527.121.619.020.424.438.219.543.421.38.346.424.716.519.919.040.225.024.112.520.57.233.7-3.5-0.711.431.0-34.021.816.00.00.00.00.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302020-06-302011-09-302010-09-30
Value139-87.689-52.0-514.0
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating32.0-18.1-3.5-34.0

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value1281241211271411471411531381401451501351241181161111029899949285928981777260366305257258270252244239262243285268303318971319297310281273253
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating29.428.525.426.429.225.623.626.024.224.727.130.329.228.629.731.732.531.232.736.637.137.238.344.545.240.343.342.936.528.222.919.219.319.817.716.717.017.716.219.318.420.322.964.321.821.50.00.00.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value2.437104.7415.13-0.797-30.9077.816-6.604-15.756-8.446-16.3893.5267.615127.1653.435-1.1611.98196.04-4.584-13.217.456-12.0679.136-9.191-9.541-1.4871.787-6.05.0-1.0132.02.02.0-1.05.06.010.06.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.62.31.01.1-0.2-5.41.3-1.1-2.7-1.5-3.00.71.62.81.80.9-0.30.66.42.2-1.8-5.33.4-5.84.6-4.6-5.3-0.91.1-0.50.4-0.11.00.10.10.1-0.10.30.40.70.4

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value2.437104.7415.13-0.797-30.9077.816-6.604-15.756-8.446-16.3893.5267.615127.1653.435-1.1611.98196.04-4.584-13.217.456-12.0679.136-9.191-9.541-1.4871.787-6.05.0-1.0132.02.02.0-1.05.06.010.06.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.62.31.01.1-0.2-5.41.3-1.1-2.7-1.5-3.00.71.62.81.80.9-0.30.66.42.2-1.8-5.33.4-5.84.6-4.6-5.3-0.91.1-0.50.4-0.11.00.10.10.1-0.10.30.40.70.4
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Preferred Stock Dividends Income Statement Impact

us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:PreferredStockDividendsIncomeStatementImpact


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1.1921.2011.7342.0582.4783.4643.8854.1534.3314.4684.1994.1243.923.3973.1373.0283.9745.5755.5065.3165.2435.1394.9894.9134.874.8234.8554.853.2280.00.00.00.00.0
Percentage of PreferredStockDividendsIncomeStatementImpact100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating0.30.30.40.40.50.60.60.70.80.80.80.80.80.80.80.81.21.71.82.02.12.12.22.42.52.42.72.91.90.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value140641432171-85.211362141128150158147103109126477670947056576589459147198244219270260542346348187291111511-47.0-6.0175447-494.947337240309159-122.72-21.386
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating32.3147.090.235.5-17.663.023.521.826.227.927.420.923.828.911.820.920.628.823.420.922.426.440.421.945.923.711.049.326.716.920.319.440.525.324.412.820.77.534.0-3.2-0.411.732.1-32.823.117.30.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value140641432171-85.211362141128150158147103109126477670947056576589459147198223219269260543346348188292112511-47.0-6.0175
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.053.0100.099.6100.0100.2100.0100.0100.5100.3100.9100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating32.3147.090.235.5-17.663.023.521.826.227.927.420.923.828.911.820.920.628.823.420.922.426.440.421.945.923.711.049.314.116.920.219.440.625.324.412.820.87.634.0-3.2-0.411.7
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2892530628307703064230412317603268631160295852761326638256912418923406217792101619513192361853317745156291532415214144501287412933129721171411379156472159543161570161468174086181260184203189079191692193345197544200356203354205307169985
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

srt:ParentCompany


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value3298355232452868
Percentage of Assets10.710.912.213.2
Percentage of Assets10.710.912.213.2
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value6129586661726455587061486098
Percentage of Assets21.219.220.121.119.319.418.7
Percentage of Assets21.219.220.121.119.319.418.7
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument

us-gaap:VariableInterestEntityPrimaryBeneficiary, slm:ABCPBorrowings


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1.7832.4960.4361.2482.06111372
Percentage of Assets0.00.00.00.00.00.01.1
Percentage of Assets0.00.00.00.00.00.01.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary slm:ABCPBorrowings100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, slm:PrivateEducationLoanSecuritization


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value6127586361726454586861375725
Percentage of Assets21.219.120.121.119.319.317.5
Percentage of Assets21.219.120.121.119.319.317.5
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary slm:PrivateEducationLoanSecuritization100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value26621280192820728441283952964029374279772648724566236652285021460207961930518594171751680116185154861343313180131171245310912110671114298969641150874153901155938156034168932176194179257184141186647188094192762195345198147200295164706
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets92.091.591.792.893.493.389.989.889.589.088.888.988.788.888.688.588.087.387.387.385.986.086.286.284.885.685.984.584.796.496.596.596.697.097.297.397.497.497.397.697.597.497.696.9

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value735240273393
Percentage of Liabilities2.60.81.22.0
Percentage of Assets2.40.71.01.8
Percentage of Assets srt:ParentCompany22.36.88.413.7

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2892530628307703064230412317603268631160295852761326638256912418923406217792101619513192361853317745156291532415214144501287412933129721171411379156472159543161570161468174086181260184203189079191692193345197544200356203354205307169985
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilities
Period End2020-12-312019-12-312018-12-312017-12-31
Value3298355232452868
Percentage of LiabilitiesAndStockholdersEquity10.710.912.213.2
Percentage of Assets10.710.912.213.2
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Tier One Risk Based Capital

us-gaap:TierOneRiskBasedCapital

us-gaap:TierOneRiskBasedCapital


Tier
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value319031643579323030853112326431233008298928962735261724942350228521992117201119281863180017341639158714821413138912911221
Percentage of TierOneRiskBasedCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.010.311.610.510.19.810.010.010.210.810.910.610.810.710.810.911.311.010.910.911.911.711.411.312.311.510.911.911.30.8

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value44976207445543514988729255633851399821562559183920431435153412471318107719181454104293824161281127887523591570152437425190432933273685390030833020304327943523414438714342587562676840607040707582
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.520.314.514.216.423.017.012.413.57.89.67.28.46.17.05.96.85.610.48.26.76.115.98.99.96.818.213.413.42.43.32.72.12.12.21.71.61.61.41.82.11.92.10.00.00.03.60.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value539153191260292282
Percentage of CashAndCashEquivalentsAtCarryingValue12.12.87.517.015.211.7
Percentage of Assets1.80.50.71.21.61.9
Percentage of Assets srt:ParentCompany16.34.35.99.10.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value46616371460945135104748257203994413923092681195421581555163613141380117119722444
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.120.815.014.716.823.617.512.814.08.410.17.68.96.67.56.37.16.110.616.1

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value238214170144136120110120
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.70.60.70.70.80.90.1

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value120105716160565652
Percentage of PropertyPlantAndEquipmentGross50.849.542.342.644.746.751.343.4
Percentage of Assets0.40.30.30.30.30.40.40.0
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2825201515121025
Percentage of PropertyPlantAndEquipmentGross11.912.012.210.611.010.29.921.2
Percentage of Assets0.10.10.10.10.10.10.10.0
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.0

us-gaap:LandAndLandImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1212121212121010
Percentage of PropertyPlantAndEquipmentGross5.25.87.38.69.210.49.98.6
Percentage of Assets0.00.00.00.10.10.10.10.0
Percentage of Assets us-gaap:LandAndLandImprovements0.00.00.00.00.00.00.00.0

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value7670655547393132
Percentage of PropertyPlantAndEquipmentGross32.132.838.238.335.032.728.926.9
Percentage of Assets0.20.20.20.30.30.30.20.0
Percentage of Assets us-gaap:SoftwareAndSoftwareDevelopmentCosts0.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value8379645449393246
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.20.20.30.30.30.20.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value1531551541481471431341351291301051051019789888887878686818180807978787774
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.50.50.50.50.40.40.40.50.40.40.40.40.40.40.50.50.50.50.60.50.50.60.60.60.60.70.70.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value3551139533-158.21613191453147114381210
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.20.30.40.2-1.20.80.80.80.70.7

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value69262626262626268.0
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.10.10.10.10.10.10.10.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value413219234241294011692103101999384744547526280705577706464536069367287742070477463827382798485862986589447101291020189709920
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.10.10.40.30.40.40.40.40.40.40.20.20.30.40.50.50.40.50.50.50.50.50.54.44.64.64.44.34.64.54.54.54.54.85.15.04.45.8

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value2.4572.5792.2461.279
Percentage of OtherAssets12.68.82.21.5
Percentage of Assets0.00.00.00.0
Percentage of Assets srt:ParentCompany0.10.10.10.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value379358357427375372357
Percentage of OtherAssets911.71101.51829.71787.8880.2891.21214.4
Percentage of Assets1.31.21.21.41.21.21.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary6.26.15.86.66.46.15.9

us-gaap:OtherAssets us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument

us-gaap:VariableInterestEntityPrimaryBeneficiary, slm:ABCPBorrowings


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1.7832.4960.4361.2482.0611.83523
Percentage of OtherAssets4.37.72.25.24.84.481.1
Percentage of Assets0.00.00.00.00.00.00.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary slm:ABCPBorrowings100.0100.0100.0100.0100.016.56.4

us-gaap:VariableInterestEntityPrimaryBeneficiary, slm:PrivateEducationLoanSecuritization


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value378355356426373370333
Percentage of OtherAssets907.51093.81827.51782.6875.4886.81133.3
Percentage of Assets1.31.21.21.41.21.21.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary slm:PrivateEducationLoanSecuritization6.26.15.86.66.46.05.8

Time Deposit Maturities Year One

us-gaap:TimeDepositMaturitiesYearOne

us-gaap:TimeDepositMaturitiesYearOne


Time
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value57284934409837162565266717172030
Percentage of TimeDepositMaturitiesYearOne100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.615.115.417.113.817.513.21.3

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302009-12-31
Value4989491851894947444947084354460148624476428445324217374432752738287228372167157710385585795930.01361771366481369441358791478871524011547861554761555881543931568101607651618861635430.0130546
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0
Percentage of Assets17.216.116.916.114.614.813.314.816.416.216.117.617.416.015.013.014.714.711.78.96.63.63.84.10.087.085.684.884.285.084.184.082.281.279.979.480.279.679.70.076.8

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value2303260825622200201621203311318330973047297228402728260924742421233724352347225921962143209619971962186518291818173855985642563254345154506649464938504552514782501152075011457450864755527850065234
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.08.58.37.26.66.710.110.210.511.011.211.111.311.211.411.512.012.712.712.714.114.013.813.815.214.414.115.515.33.63.53.53.43.02.82.72.62.62.72.42.52.62.40.00.00.03.10.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value2562331129722474
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0
Percentage of Assets8.310.111.211.4
Percentage of Assets srt:ParentCompany77.793.291.686.3

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-21.64-24.077-34.2-38.941-44.071-43.274-12.367-20.183-13.5792.177102723152.748-4.417-7.852-6.691-8.671-27.813-33.853-29.269-16.059-23.515-11.448-20.584-11.393-1.852-0.3657.0138.09.0-4.0-6.0-8.0-10.0-9.0-14.0-20.0-29.636-35.401-44.664-44.0-43.333-42.511-40.825-76.476236
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.9-0.9-1.3-1.8-2.2-2.0-0.4-0.6-0.40.10.41.00.90.60.1-0.2-0.3-0.3-0.4-1.2-1.5-1.4-0.8-1.2-0.6-1.1-0.6-0.1-0.00.10.20.10.2-0.1-0.1-0.2-0.2-0.2-0.3-0.4-0.6-0.7-0.9-1.0-0.9-0.9-0.8-1.54.5
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.1-0.00.00.00.10.10.10.0-0.0-0.0-0.0-0.0-0.2-0.2-0.2-0.1-0.2-0.1-0.2-0.1-0.0-0.00.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.00.0-0.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1058105213311243123412261307130112961290127412681260125212221213120511911175115711491142113511281120110610901078107144614399437343554291423742194196418241364127411440925939512851225106509046844590
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest46.040.451.956.561.257.939.540.941.942.442.944.746.248.049.450.151.548.950.151.252.353.354.256.557.159.359.659.361.779.778.077.680.183.383.685.385.082.978.886.382.178.6118.5112.1100.7107.496.493.687.7
Percentage of Assets3.73.44.34.14.13.94.04.24.44.74.84.95.25.45.65.86.26.26.36.57.47.57.57.88.78.68.49.29.42.92.82.72.72.52.32.32.22.22.12.12.12.02.90.00.00.03.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value8686919191919090909089898989888888888786868686868685848484110109109109108107107107106106106105105119111110110110106106
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest3.73.33.64.24.54.32.72.82.93.03.03.23.33.43.63.73.83.63.73.83.94.04.14.34.44.64.64.74.92.01.91.92.02.12.12.22.22.12.02.22.12.02.42.42.22.32.12.12.0
Percentage of Assets0.30.30.30.30.30.30.30.30.30.30.30.40.40.40.40.40.50.50.50.50.60.60.60.60.70.70.70.70.70.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.10.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value2562331129722474234721962143209619971962186518291818173855935637562754295148506049404931503852434774500252075011457450864755527849995223
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.999.999.999.999.999.999.999.999.999.899.899.8100.0100.0100.0100.0100.0100.099.999.8
Percentage of Assets8.310.111.211.412.714.114.013.813.815.214.414.115.515.33.63.53.53.43.02.82.72.62.62.72.42.52.62.40.00.00.03.10.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value2512512514004004004004004004004004004004004004004005655655655655655655655655655655655655655655655655655655655655655655655655651375
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest10.99.69.818.219.818.912.112.612.913.113.514.114.715.316.216.517.123.224.125.025.726.427.028.328.830.330.931.132.510.110.010.010.411.011.211.411.411.210.811.811.311.326.0
Percentage of Assets0.90.80.81.31.31.31.21.31.41.41.51.61.71.71.81.92.02.93.03.23.63.73.73.94.44.44.44.85.00.40.40.30.30.30.30.30.30.30.30.30.30.30.8
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value2480235017221302113312431850172516001480134011961096990868824750684595530478426366281240154113982027332584238521951723145111651040814770315417479308-123.039172604426557
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest107.790.167.259.256.258.755.954.251.748.645.142.140.238.035.134.032.128.125.423.521.819.917.514.112.38.36.25.41.248.845.842.340.433.428.623.621.116.114.76.68.39.26.2-2.77.71.511.58.510.6
Percentage of Assets8.67.75.64.33.73.95.75.55.45.45.04.74.54.24.03.93.83.63.23.03.12.82.41.91.91.20.90.80.21.71.61.51.41.00.80.60.60.40.40.20.20.20.20.00.00.00.40.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-1551.724-1108.63-798.993-798.068-798.046-798.039-324.659-314.694-277.071-216.71-142.591-142.297-140.956-138.629-107.644-99.715-98.821-86.659-67.484-52.414-49.735-47.978-41.223-40.481-39.272-25.329-12.187-6.208-3.113-2283.0-2033.0-1813.0-1804.0-1535.0-1294.0-1108.0-967.0-620.0-320.0-319.0-170.4960.0-1876.488-1873.0-1869.76-1866.02-1861.738-1856.394-1831.706
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-67.4-42.5-31.2-36.3-39.6-37.6-9.8-9.9-8.9-7.1-4.8-5.0-5.2-5.3-4.4-4.1-4.2-3.6-2.9-2.3-2.3-2.2-2.0-2.0-2.0-1.4-0.7-0.3-0.2-40.8-36.0-32.2-33.2-29.8-25.5-22.4-19.6-12.3-6.1-6.7-3.40.0-37.4-40.9-36.8-39.2-35.3-37.1-35.0
Percentage of Assets-5.4-3.6-2.6-2.6-2.6-2.5-1.0-1.0-0.9-0.8-0.5-0.6-0.6-0.6-0.5-0.5-0.5-0.5-0.4-0.3-0.3-0.3-0.3-0.3-0.3-0.2-0.1-0.1-0.0-1.5-1.3-1.1-1.1-0.9-0.7-0.6-0.5-0.3-0.2-0.2-0.10.0-0.90.00.00.0-1.10.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8686919191919090909089898989888888888786868686868685848484110109109109108107107107106106106105105119110
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.30.30.30.30.30.30.30.30.40.40.40.40.40.50.50.50.50.60.60.60.60.70.70.70.70.70.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

us-gaap:CommonStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value91908988
Percentage of CommonStockValue100.0100.0100.0100.0
Percentage of Assets0.30.30.30.4
Percentage of Assets srt:ParentCompany2.82.62.83.1

us-gaap:CommonStockValue us-gaap:StatementClassOfStock

us-gaap:SeriesBPreferredStock


Common
Period End2020-11-30
Value68
Percentage of CommonStockValue0.0
Percentage of Assets0.0
Percentage of Assets us-gaap:SeriesBPreferredStock0.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value10581052133112431234122613071301129612901274126812601252122212131205119111751157114911421135112811201106109010781071446143994373435542914237421941964182413641274114409259395090
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.73.44.34.14.13.94.04.24.44.74.84.95.25.45.65.86.26.26.36.57.47.57.57.88.78.68.49.29.42.92.82.72.72.52.32.32.22.22.12.12.12.02.93.0

us-gaap:AdditionalPaidInCapital us-gaap:ConsolidatedEntities

srt:ParentCompany


Additional
Period End2020-12-312019-12-312018-12-312017-12-31
Value1331130712741222
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0
Percentage of Assets4.34.04.85.6
Percentage of Assets srt:ParentCompany40.436.839.342.6

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2480235017221302113312431850172516001480134011961096990868824750684595530478426366281240154113982027332584238521951723145111651040814770315417479308604
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.67.75.64.33.73.95.75.55.45.45.04.74.54.24.03.93.83.63.23.03.12.82.41.91.91.20.90.80.21.71.61.51.41.00.80.60.60.40.40.20.20.20.20.4

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidatedEntities

srt:ParentCompany


Retained
Period End2020-12-312019-12-312018-12-312017-12-31
Value172218501340868
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0
Percentage of Assets5.65.75.04.0
Percentage of Assets srt:ParentCompany52.252.141.330.3

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value-21.64-24.077-34.2-38.941-44.071-43.274-12.367-20.183-13.5792.177102723152.748-4.417-7.852-6.691-8.671-27.813-33.853-29.269-16.059-23.515-11.448-20.584-11.393-1.852-0.3657.0138.09.0-4.0-6.0-8.0-10.0-9.0-14.0-20.0-29.636-35.401-44.664-40.825-76.476
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.1-0.00.00.00.10.10.10.0-0.0-0.0-0.0-0.0-0.2-0.2-0.2-0.1-0.2-0.1-0.2-0.1-0.0-0.00.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities

srt:ParentCompany


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-31
Value-34.2-12.367102.748
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0
Percentage of Assets-0.1-0.00.00.0
Percentage of Assets srt:ParentCompany-1.0-0.30.30.1

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value155111087987987987983243142772161421421401381079998866752494741403925126.2083.11322832033181318041535129411089676203203191700.0-1876.488-1861.738
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0
Percentage of Assets5.43.62.62.62.62.51.01.00.90.80.50.60.60.60.50.50.50.50.40.30.30.30.30.30.30.20.10.10.01.51.31.11.10.90.70.60.50.30.20.20.10.0-0.9-1.1

us-gaap:TreasuryStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Treasury
Period End2020-12-312019-12-312018-12-312017-12-31
Value798324142107
Percentage of TreasuryStockValue100.0100.0100.0100.0
Percentage of Assets2.61.00.50.5
Percentage of Assets srt:ParentCompany24.29.14.43.8

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.042.0610.016-0.0012.8720.0920.1752.8513.0752.153161.9737.9596.5352.3811.152.7074.0732.1652.44534138.0513413175.0272.03.012223.5453.03.7986.639
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.1311.4960.6780.014-0.032.3040.2430.0870.1392.1570.1762.9952.076152.9531.8887.6615.787122.2691.0652.1590.4762.0228.2574.053.8892.0472.34433138.0503313174.0272.03.012223.1843.03.7656.401
Percentage of StockIssuedDuringPeriodValueNewIssues327.572.60.087.53000.080.20.094.679.475.70.097.496.493.30.095.796.388.60.095.392.679.80.00.00.00.095.594.595.997.1100.0100.098.097.1100.0100.080.0100.0100.0100.098.298.089.8100.099.196.4
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302011-03-312010-06-302010-03-31
Value0.0910.5650.0270.0020.0290.5680.0130.0050.0360.6940.010.080.0771.1120.2350.0850.2980.7480.4460.1120.0850.5480.0610.0720.4160.6260.1840.1180.1011.00.00.01.01.00.00.01.00.00.3130.2260.4610.0330.238
Percentage of StockIssuedDuringPeriodValueNewIssues-227.527.40.012.5-2900.019.80.05.420.624.30.02.63.66.70.04.33.711.40.04.77.420.20.00.00.00.04.55.54.12.90.00.02.02.90.00.020.00.010.41.82.00.93.6
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.444119.1867.579135.3075.582135.5675.516146.2736.0759.4255.4026.3326.2164.8444.5057.0451810.08.010.0196.08.010.0228.01112248.4925.01312
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.444116.2119.0187.579135.7595.1325.582135.6965.5675.516146.1266.2736.0759.4254.9945.4026.3326.2165.1755.2135.076.144.8444.5057.0451810.08.010.0196.08.010.0228.01112248.4925.01312
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.00.098.2100.0100.00.096.7100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Adjustments
Period End2020-12-312020-09-302019-12-312019-09-30
Value0.0-0.1680.00.175
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue0.0-1.80.03.3
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-225.6854526-147.006-206.55914461-14.357-79.75916-10.341-12.906-65.336-14.158-45.591-15.695-102.013-3.613-61.556-32.704-58.892-47.7837-44.944-64.707-19.181-198.551-6.364-789.85855856847842552980780447055510077066087581960-85.611-3017.973-5549.416
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-51.910.55.5-30.5-42.625.110.3-2.4-13.93.0-1.9-2.6-14.1-3.2-11.4-4.3-29.8-1.1-20.5-12.0-23.1-19.216.9-21.5-32.6-9.5-111.1-3.8-477.043.142.635.731.838.756.654.933.537.667.047.941.750.8140.7-5.7-206.0-400.4

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3962390334-464.127-1041.2012118278-1541.809150-1193.677-39.602-1626.279-48.016-1540.966-381.423-1456.46153-1428.532-243.49-1500.424-125.917-1461.21427-1495.418588-1367.878-363.263-192.674-1824.4349922570103534212184334844392081197723041863284824582194227713891553
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating91.3548.069.7-96.2-214.8368.446.4-261.226.2-210.7-7.4-326.8-10.4-352.4-95.5-397.715.8-433.6-81.2-550.5-49.3-585.8192.3-715.9296.3-679.3-203.3-114.5-1101.976.5192.877.2255.9159.9234.9303.2148.3133.9153.4126.2195.1164.7157.5150.794.8112.1

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1881.587-674.114-264.70220-1130.455-501.0281386141017598047771435716147471314012885907681945289316691543-120.116-97.09913512453403-2998.0-2277.0-511.0-4204.0-2928.0-3338.0-5180.0-2574.0-2283.0-4040.0-3192.315-3183.652-3688.033-5687.302-2583.63110544766
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-432.9-154.6-55.24.2-233.2-87.1230.8238.9306.7142.1144.4288.5154.9337.3178.6382.884.4179.3256.3713.7113.312.5300.9738.8-60.5-48.2756.4145.82055.7-231.3-170.8-38.1-314.4-214.3-234.2-353.8-183.5-154.6-269.0-216.3-218.1-247.1-408.3-171.072.0344.0

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-1710.444176296-590.66-2378.21517611726-145.5011830-372.086727-203.736
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-393.5404.020.1-122.4-490.6306.4287.5-24.6319.0-65.7135.1-40.9

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value53203-73.2355-30.664121-140.512403356-90.705-53.6674040-195.093404451-209.719473438-187.092176031-156.39543128
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-225.6854526-147.006-206.55914461-14.357-79.75916-10.341-12.906-65.336-14.158-45.591-15.695-102.013-3.613-61.556-32.704-58.892-47.7837-44.944-64.707-19.181-198.551-6.364-789.85855856847842552980780447055510077066087581960-85.611-3017.973-5549.416
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-51.910.55.5-30.5-42.625.110.3-2.4-13.93.0-1.9-2.6-14.1-3.2-11.4-4.3-29.8-1.1-20.5-12.0-23.1-19.216.9-21.5-32.6-9.5-111.1-3.8-477.043.142.635.731.838.756.654.933.537.667.047.941.750.8140.7-5.7-206.0-400.4

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value140641432171-85.211362141128150158147103109126477670947056576589459147198244219270260543346348188292112511-47.0-5.648174447-495.0337240
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating32.3147.090.235.5-17.663.023.521.826.227.927.420.923.828.911.820.920.628.823.420.922.426.440.421.945.923.711.049.326.716.920.319.440.625.324.412.820.87.634.0-3.2-0.411.732.1-32.823.117.3

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value140641432171-85.211362141128150158147103109126477670947056576589459147198244219270260542346348187291111511-47.0-6.0175447-494.947337240309159-122.72-21.386
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating32.3147.090.235.5-17.663.023.521.826.227.927.420.923.828.911.820.920.628.823.420.922.426.440.421.945.923.711.049.326.716.920.319.440.525.324.412.820.77.534.0-3.2-0.411.732.1-32.823.117.30.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value140641432171-85.211362141128150158147103109126477670947056576589459147198223219269260543346348188292112511-47.0-6.0175
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.053.0100.099.6100.0100.2100.0100.0100.5100.3100.9100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating32.3147.090.235.5-17.663.023.521.826.227.927.420.923.828.911.820.920.628.823.420.922.426.440.421.945.923.711.049.314.116.920.219.440.625.324.412.820.87.634.0-3.2-0.411.7
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.444116.2119.2447.399135.7595.3685.582135.6725.5675.516146.1276.2736.0759.4254.955.4026.3326.2165.1755.2135.076.144.84411-9.5321810.08.010.0196.09.010.0228.01012248.754.9031312
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3962390334-464.127-1041.2012118278-1541.809150-1193.677-39.602-1626.279-48.016-1540.966-381.423-1456.46153-1428.532-243.49-1500.424-125.917-1461.21427-1495.418588-1367.878-363.263-192.674-1824.4349922570103534212184334844392081197723041863284824582194227713891553
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating91.3548.069.7-96.2-214.8368.446.4-261.226.2-210.7-7.4-326.8-10.4-352.4-95.5-397.715.8-433.6-81.2-550.5-49.3-585.8192.3-715.9296.3-679.3-203.3-114.5-1101.976.5192.877.2255.9159.9234.9303.2148.3133.9153.4126.2195.1164.7157.5150.794.8112.1

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1881.587-674.114-264.70220-1130.455-501.0281386141017598047771435716147471314012885907681945289316691543-120.116-97.09913512453403-2998.0-2277.0-511.0-4204.0-2928.0-3338.0-5180.0-2574.0-2283.0-4040.0-3192.315-3183.652-3688.033-5687.302-2583.63110544766
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-432.9-154.6-55.24.2-233.2-87.1230.8238.9306.7142.1144.4288.5154.9337.3178.6382.884.4179.3256.3713.7113.312.5300.9738.8-60.5-48.2756.4145.82055.7-231.3-170.8-38.1-314.4-214.3-234.2-353.8-183.5-154.6-269.0-216.3-218.1-247.1-408.3-171.072.0344.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value9.2641011111112121212130.00.00.00.06465656668575760635151
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Dividends

us-gaap:Dividends

us-gaap:Dividends


Dividends
Period End2021-06-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value1232754120136850.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Dividends100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value4765500.00.00.05589.6043760600.00.00.00.02002000.02011991701213412680.0144
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.00.00.00.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:PaymentsForRepurchaseOfCommonStock us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock

slm:TenderOffer, us-gaap:CommonStock


Payments
Period End2021-03-16
Value472
Percentage of PaymentsForRepurchaseOfCommonStock0.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value5.244.7510.4411.3410.4310.089.9120.5519.8419.7819.8828.77
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value3981421158913312411117041824184218171647
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value63535213115247595641454110486174
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:AdditionalProceedsFromSaleOfDebtSecuritiesAvailableForSale us-gaap:DebtInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:AdditionalProceedsFromSaleOfDebtSecuritiesAvailableForSale

slm:A2021A, us-gaap:StudentLoan


Additional
Period End2021-02-09
Value130
Percentage of AdditionalProceedsFromSaleOfDebtSecuritiesAvailableForSale100.0

slm:A2021C, us-gaap:StudentLoan


Additional
Period End2021-05-27
Value27
Percentage of AdditionalProceedsFromSaleOfDebtSecuritiesAvailableForSale0.0

slm:AdditionalProceedsFromSaleOfDebtSecuritiesAvailableForSale us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:StudentLoan


Additional
Period End2021-02-09
Value130
Percentage of AdditionalProceedsFromSaleOfDebtSecuritiesAvailableForSale100.0

slm:AdditionalProceedsFromSaleOfDebtSecuritiesAvailableForSale us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:SubsequentEventType

us-gaap:StudentLoan, us-gaap:SubsequentEvent


Additional
Period End2021-02-09
Value130
Percentage of AdditionalProceedsFromSaleOfDebtSecuritiesAvailableForSale100.0

slm:AdjustmentsToAdditionalPaidInCapitalDividendsEquivalentUnitsRelatedToEmployeeStockBasedCompensationPlans

slm:AdjustmentsToAdditionalPaidInCapitalDividendsEquivalentUnitsRelatedToEmployeeStockBasedCompensationPlans


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-30
Value0-16000.00000
Percentage of AdjustmentsToAdditionalPaidInCapitalDividendsEquivalentUnitsRelatedToEmployeeStockBasedCompensationPlans0.0100.00.00.00.00.0

slm:AdjustmentsToAdditionalPaidInCapitalDividendsEquivalentUnitsRelatedToEmployeeStockBasedCompensationPlans us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value59000.0463000.0015000.0265000.005000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalDividendsEquivalentUnitsRelatedToEmployeeStockBasedCompensationPlans0.0-2893.80.00.00.00.00.0

us-gaap:RetainedEarnings


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value-59000.0-479000.00-15000.0265000.00-5000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalDividendsEquivalentUnitsRelatedToEmployeeStockBasedCompensationPlans0.02993.80.00.00.00.00.0

slm:AllowanceAsPercentageOfEndingLoanBalance us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

slm:AllowanceAsPercentageOfEndingLoanBalance

slm:CreditCards


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value11.2811.740.2712.00.09730.0793
Percentage of AllowanceAsPercentageOfEndingLoanBalance100.0100.0100.0100.0100.0100.0

slm:PrivateEducationLoans


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value5.645.66-0.777.640.08190.07010.00130.01480.01420.013100.01360.0140.01340.00070.01330.01310.01180.00110.01170.01160.01010.00110.00920.00940.00870.00180.00770.00730.0503-0.00080.05280.05370.0537-0.00040.05480.05540.05500.0550.0530.052-0.0010.0530.054
Percentage of AllowanceAsPercentageOfEndingLoanBalance50.048.2-285.263.784.288.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FederalFamilyEducationLoanProgramFfelpGuaranteedLoans


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.590.5900.590.00580.00560.20790.00210.00210.00210.11880.00120.00120.00120.00140.00170.0017
Percentage of AllowanceAsPercentageOfEndingLoanBalance5.25.00.04.96.07.10.00.00.00.00.00.00.00.00.00.00.0

slm:AllowanceAsPercentageOfEndingLoansInRepayment us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

slm:AllowanceAsPercentageOfEndingLoansInRepayment

slm:CreditCards


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value11.2811.740.2712.00.09730.0793
Percentage of AllowanceAsPercentageOfEndingLoansInRepayment100.0100.0100.0100.0100.0100.0

slm:PrivateEducationLoans


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.797.94-1.4310.910.12130.10110.0010.02130.02010.0187-0.00090.01990.02020.01950.00010.01990.01930.01760.00050.01830.01780.01560.00070.0150.01540.01420.00220.01310.01230.0658-0.00090.06770.0680.0688-0.0020.07090.07110.072-0.0030.0750.0710.072-0.0060.0790.0790.082
Percentage of AllowanceAsPercentageOfEndingLoansInRepayment69.167.6-529.690.9124.7127.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FederalFamilyEducationLoanProgramFfelpGuaranteedLoans


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.780.8-0.010.770.00970.00740.25730.00270.00280.00270.14840.00160.00160.00160.0020.00210.0022
Percentage of AllowanceAsPercentageOfEndingLoansInRepayment6.96.8-3.76.410.09.30.00.00.00.00.00.00.00.00.00.00.0

slm:AllowanceCoverageOfChargeOffsAverageLoansInRepayment us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

slm:AllowanceCoverageOfChargeOffsAverageLoansInRepayment

slm:CreditCards


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value11110.787119.2655.364
Percentage of AllowanceCoverageOfChargeOffsAverageLoansInRepayment100.0100.0100.0100.0100.0100.0

slm:PrivateEducationLoans


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value147431474318215182140111652125415632152411516529413351129091274729110971105231026533084207894753418361185712570586445343224329-70.8993400324331645173308163053330378309288192848828127444256162517824645
Percentage of AllowanceCoverageOfChargeOffsAverageLoansInRepayment124364.1123801.423201.8136744.2151234.1308004.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FederalFamilyEducationLoanProgramFfelpGuaranteedLoans


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value5465543.141510513600-5.509621634650-9.273681698718734757771
Percentage of AllowanceCoverageOfChargeOffsAverageLoansInRepayment4608.24656.2399.14600.65541.511195.60.00.00.00.00.00.00.00.00.00.00.0

slm:AmortizationofBrokeredDepositPlacement

slm:AmortizationofBrokeredDepositPlacement


Amortizationof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value3.8874.3074.524.7534.9355.1935.4964.6674.073.5553.6773.5313.0582.7892.5412.4922.2092.132.3672.5872.5642.6152.5042.6542.6572.6952.6162.326
Percentage of AmortizationofBrokeredDepositPlacement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:AmortizationofUpfrontLoanFees

slm:AmortizationofUpfrontLoanFees


Amortizationof
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-30
Value713000.0773000.0813000.0820000.0526000.0279000.0282000.0277000.0276000.0274000.0301000.0327000.0316000.0352000.0364000.0380000.0122000.0588000.01202000.000
Percentage of AmortizationofUpfrontLoanFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

slm:AmountOfVariationMarginIncludedAsSettlement us-gaap:DerivativeInstrumentRisk

slm:AmountOfVariationMarginIncludedAsSettlement

exch:XCME


Amount
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value37-157.0393119-268.026-27.2-73.2-33.2
Percentage of AmountOfVariationMarginIncludedAsSettlement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:LondonClearingHouse


Amount
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2.015-3.0-2.00.024-3.53.08.20.3
Percentage of AmountOfVariationMarginIncludedAsSettlement-5.4-9.6-7.7-6.50.0-9.0-13.2-11.0-11.2-0.9

slm:AnnualizedAllowanceOnPrivateEducationLoanCoverageOfChargeOffs us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

slm:AnnualizedAllowanceOnPrivateEducationLoanCoverageOfChargeOffs

slm:CreditCards


Annualized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value5.33.822.017.216.3520.5
Percentage of AnnualizedAllowanceOnPrivateEducationLoanCoverageOfChargeOffs100.0100.0100.0100.0100.0100.0

slm:PrivateEducationLoans


Annualized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.726.18-3.38.5616.778.710.11.731.562.11-0.012.331.781.950.071.911.812.010.182.131.711.71-0.171.961.92.9-4.363.42000002.3-0.22.22.32.402.01.91.801.51.51.7
Percentage of AnnualizedAllowanceOnPrivateEducationLoanCoverageOfChargeOffs126.8161.8-164.2118.7264.142.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FederalFamilyEducationLoanProgramFfelpGuaranteedLoans


Annualized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value19.7312.130.2412.2613.054.75-0.092.082.541.88-0.161.070.921.111.871.551.88
Percentage of AnnualizedAllowanceOnPrivateEducationLoanCoverageOfChargeOffs372.3317.511.9170.0205.523.20.00.00.00.00.00.00.00.00.00.00.0

slm:BorrowingsCollateralizedByLoansInTrustIssued

slm:BorrowingsCollateralizedByLoansInTrustIssued


Borrowings
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.098704-0.2276330.00.06544510.1155406826676720.001-0.757676716054990.00.06200.0264999223553599258837233110477921151519-3.6172219818-0.808319411791544
Percentage of BorrowingsCollateralizedByLoansInTrustIssued100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:BorrowingsCollateralizedByLoansInTrustRepaid

slm:BorrowingsCollateralizedByLoansInTrustRepaid


Borrowings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value262272254207260281249262269260249227211200137134162998165202014270.00.00.028342653437632573182438847163032381749022780301327122390397021742099
Percentage of BorrowingsCollateralizedByLoansInTrustRepaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:BrokeredDepositPlacementFee

slm:BrokeredDepositPlacementFee


Brokered
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value4.04.04.05.05.05.06.04.04.04.04.04.03.02.82.62.52.22.12.32.62.62.62.52.72.72.7
Percentage of BrokeredDepositPlacementFee100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:CashAndInvestmentsInterestIncomeLoss

slm:CashAndInvestmentsInterestIncomeLoss


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.4231.6261.1731.2182.136172123181112106.5725.2365.0814.6863.1552.5882.7672.0031.1951.6341.1830.9870.8010.781.4441.181.0993.04.04.04.05.05.05.06.05.05.04.04.7435.3396.8998.06.2994.949
Percentage of CashAndInvestmentsInterestIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:Cashpaidforbrokereddepositplacementfee

slm:Cashpaidforbrokereddepositplacementfee


Cashpaidforbrokereddepositplacementfee
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value0.01.5051.5431.7628.1794.419131.4980.6816.219117.0552.5324.3393.2452.0840.4181.0780.1162.7593.6210.4770.00.09.565
Percentage of Cashpaidforbrokereddepositplacementfee0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0

slm:ChangeInOtherComprehensiveIncomeLossForUnrealizedGainsLossesOnDerivativesBeforeIncomeTaxExpenseBenefit

slm:ChangeInOtherComprehensiveIncomeLossForUnrealizedGainsLossesOnDerivativesBeforeIncomeTaxExpenseBenefit


Change
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value0.856235.252-2.343-45.694-10.083-24.013-14.1176.47410204.814
Percentage of ChangeInOtherComprehensiveIncomeLossForUnrealizedGainsLossesOnDerivativesBeforeIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:ChargeOffsAsPercentageOfAverageLoansInRepayment us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

slm:ChargeOffsAsPercentageOfAverageLoansInRepayment

slm:CreditCards


Charge
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value2.292.92-0.251.730.01770.0052
Percentage of ChargeOffsAsPercentageOfAverageLoansInRepayment100.0100.0100.0100.0100.0100.0

slm:PrivateEducationLoans


Charge
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.161.290.121.330.00750.01050.00020.01270.01290.008900.00880.01140.01010.00010.01080.01080.0089-0.00010.00910.01050.00950.0010.00830.00810.00510.00170.003900.02820.00040.02570.02690.02970.00270.03230.03090.0296-0.0010.0370.0370.039-0.0010.0540.0530.047
Percentage of ChargeOffsAsPercentageOfAverageLoansInRepayment50.744.2-48.076.942.4201.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FederalFamilyEducationLoanProgramFfelpGuaranteedLoans


Charge
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.040.06-0.010.070.00070.00150.12870.00130.00110.00140.15850.00150.00170.00140.0010.00140.0011
Percentage of ChargeOffsAsPercentageOfAverageLoansInRepayment1.72.14.04.04.028.80.00.00.00.00.00.00.00.00.00.00.0

slm:DerivativeInstrumentPercentofTotalNotionalDerivativeContracts us-gaap:DerivativeInstrumentRisk

slm:DerivativeInstrumentPercentofTotalNotionalDerivativeContracts

exch:XCME


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.595.60.294.149-0.0010.9520.0050.0050.0310.909-0.0140.0130.0050.8980.0180.0530.0070.798
Percentage of DerivativeInstrumentPercentofTotalNotionalDerivativeContracts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:LondonClearingHouse


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.54.4-0.24.8510.0010.048-0.005-0.005-0.0310.0910.014-0.013-0.0050.1020.005-0.006-0.0060.131
Percentage of DerivativeInstrumentPercentofTotalNotionalDerivativeContracts-100.04.6-100.05.2-100.05.0-100.0-100.0-100.010.0-100.0-100.0-100.011.427.8-11.3-85.716.4

slm:DerivativeInstrumentsIncreaseDecreaseInFairValueOfFutureInterestPaymentsRecordedInEarnings us-gaap:HedgingDesignation

slm:DerivativeInstrumentsIncreaseDecreaseInFairValueOfFutureInterestPaymentsRecordedInEarnings

us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value-6.948-10.864-12.848-7.853422.844184.202-1.557-2.18-4.755-0.247
Percentage of DerivativeInstrumentsIncreaseDecreaseInFairValueOfFutureInterestPaymentsRecordedInEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:DividendsCommonStockAccrualAdjustment

slm:DividendsCommonStockAccrualAdjustment


Dividends
Period End2020-09-302019-09-30
Value-247000.0-339000.0
Percentage of DividendsCommonStockAccrualAdjustment100.0100.0

slm:DividendsCommonStockAccrualAdjustment us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2020-09-302019-09-30
Value-247000.0-339000.0
Percentage of DividendsCommonStockAccrualAdjustment100.0100.0

slm:FairValueDisclosureOffBalanceSheetRisksAmountLiabilityAdditionalCommitments

slm:FairValueDisclosureOffBalanceSheetRisksAmountLiabilityAdditionalCommitments


Fair
Period End2021-06-302021-03-312020-06-302020-03-31
Value12358431165834
Percentage of FairValueDisclosureOffBalanceSheetRisksAmountLiabilityAdditionalCommitments100.0100.0100.0100.0

slm:FairValueDisclosureOffBalanceSheetRisksAmountLiabilityCommitmentsFunded

slm:FairValueDisclosureOffBalanceSheetRisksAmountLiabilityCommitmentsFunded


Fair
Period End2021-06-302021-03-312020-06-302020-03-31
Value53120584952295
Percentage of FairValueDisclosureOffBalanceSheetRisksAmountLiabilityCommitmentsFunded100.0100.0100.0100.0

slm:FinancingReceivableAllowanceForCreditLossLoanSales

slm:FinancingReceivableAllowanceForCreditLossLoanSales


Financing
Period End2020-12-312020-09-30
Value0.0108
Percentage of FinancingReceivableAllowanceForCreditLossLoanSales0.0100.0

slm:FinancingReceivableAllowanceForCreditLossLoanSales us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

slm:PersonalLoans


Financing
Period End2020-12-312020-09-30
Value0.0108
Percentage of FinancingReceivableAllowanceForCreditLossLoanSales0.0100.0

slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value9.875.0663.0157.6154.7
Percentage of FinancingReceivableAllowanceForCreditLossRecoveryOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear100.0100.0100.0100.0100.0

slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedFourYearsBeforeCurrentFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedFourYearsBeforeCurrentFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value2109000.01133000.01007000.02506000.01505000.0
Percentage of FinancingReceivableAllowanceForCreditLossRecoveryOriginatedFourYearsBeforeCurrentFiscalYear100.0100.0100.0100.0100.0

slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedInCurrentFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedInCurrentFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2020-12-312020-06-302020-03-31
Value37000.000
Percentage of FinancingReceivableAllowanceForCreditLossRecoveryOriginatedInCurrentFiscalYear100.00.00.0

slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedInFiscalYearBeforeLatestFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedInFiscalYearBeforeLatestFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value124000.043000.0255000.0221000.092000.0
Percentage of FinancingReceivableAllowanceForCreditLossRecoveryOriginatedInFiscalYearBeforeLatestFiscalYear100.0100.0100.0100.0100.0

slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedSixOrMoreYearsBeforeCurrentFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedSixOrMoreYearsBeforeCurrentFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-03-31
Value13
Percentage of FinancingReceivableAllowanceForCreditLossRecoveryOriginatedSixOrMoreYearsBeforeCurrentFiscalYear100.0

slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedThreeYearsBeforeCurrentFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedThreeYearsBeforeCurrentFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value1722000.01009000.0807000.01988000.01080000.0
Percentage of FinancingReceivableAllowanceForCreditLossRecoveryOriginatedThreeYearsBeforeCurrentFiscalYear100.0100.0100.0100.0100.0

slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedTwoYearsBeforeCurrentFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossRecoveryOriginatedTwoYearsBeforeCurrentFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value850000.0452000.0602000.01178000.0599000.0
Percentage of FinancingReceivableAllowanceForCreditLossRecoveryOriginatedTwoYearsBeforeCurrentFiscalYear100.0100.0100.0100.0100.0

slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value5127273121
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear100.0100.0100.0100.0100.0

slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedFourYearsBeforeCurrentFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedFourYearsBeforeCurrentFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value147.6610128.779
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedFourYearsBeforeCurrentFiscalYear100.0100.0100.0100.0100.0

slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedInCurrentFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedInCurrentFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value105000.06000.0592000.099000.00
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedInCurrentFiscalYear100.0100.0100.0100.00.0

slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedInFiscalYearBeforeLatestFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedInFiscalYearBeforeLatestFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value2.2570.8684.6453.1041.505
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedInFiscalYearBeforeLatestFiscalYear100.0100.0100.0100.0100.0

slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedSixOrMoreYearsBeforeCurrentFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedSixOrMoreYearsBeforeCurrentFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-03-31
Value80
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedSixOrMoreYearsBeforeCurrentFiscalYear100.0

slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedThreeYearsBeforeCurrentFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedThreeYearsBeforeCurrentFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value137.1079.685127.056
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedThreeYearsBeforeCurrentFiscalYear100.0100.0100.0100.0100.0

slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedTwoYearsBeforeCurrentFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedTwoYearsBeforeCurrentFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value8.4874.0318.2749.3354.642
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedTwoYearsBeforeCurrentFiscalYear100.0100.0100.0100.0100.0

slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedFiveOrMoreYearsBeforeLatestFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedFiveOrMoreYearsBeforeLatestFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value6132303926
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffOriginatedFiveOrMoreYearsBeforeLatestFiscalYear100.0100.0100.0100.0100.0

slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedFourYearsBeforeLatestFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedFourYearsBeforeLatestFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value168.793111510
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffOriginatedFourYearsBeforeLatestFiscalYear100.0100.0100.0100.0100.0

slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedInCurrentFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedInCurrentFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value105000.06000.0629000.099000.00
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffOriginatedInCurrentFiscalYear100.0100.0100.0100.00.0

slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedInFiscalYearBeforeLatestFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedInFiscalYearBeforeLatestFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value2.3810.9114.93.3251.597
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffOriginatedInFiscalYearBeforeLatestFiscalYear100.0100.0100.0100.0100.0

slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedSixOrMoreYearsBeforeLatestFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedSixOrMoreYearsBeforeLatestFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-03-31
Value94
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffOriginatedSixOrMoreYearsBeforeLatestFiscalYear100.0

slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedThreeYearsBeforeLatestFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedThreeYearsBeforeLatestFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value158.11610148.136
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffOriginatedThreeYearsBeforeLatestFiscalYear100.0100.0100.0100.0100.0

slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedTwoYearsBeforeLatestFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAllowanceForCreditLossWriteoffOriginatedTwoYearsBeforeLatestFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value9.3374.4838.876105.241
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffOriginatedTwoYearsBeforeLatestFiscalYear100.0100.0100.0100.0100.0

slm:FinancingReceivableBeforeAllowanceForCreditLossAverageBalance

slm:FinancingReceivableBeforeAllowanceForCreditLossAverageBalance


Financing
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value2138921730232152318825252241412371823747
Percentage of FinancingReceivableBeforeAllowanceForCreditLossAverageBalance100.0100.0100.0100.0100.0100.0100.0100.0

slm:FinancingReceivableBeforeAllowanceForCreditLossAverageBalance us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:CreditCards


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value11119.3645.286
Percentage of FinancingReceivableBeforeAllowanceForCreditLossAverageBalance0.10.10.00.0

slm:PersonalLoans


Financing
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value527836973113211491176
Percentage of FinancingReceivableBeforeAllowanceForCreditLossAverageBalance2.33.63.94.74.85.0

slm:PrivateEducationLoans


Financing
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value2065420984219372159023502222022174821732
Percentage of FinancingReceivableBeforeAllowanceForCreditLossAverageBalance96.696.694.593.193.192.091.791.5

us-gaap:FederalFamilyEducationLoanProgramFfelpGuaranteedLoans


Financing
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value723734750761776806821837
Percentage of FinancingReceivableBeforeAllowanceForCreditLossAverageBalance3.43.43.23.33.13.33.53.5

slm:FinancingReceivableCreditLossExpenseReversalCommitments

slm:FinancingReceivableCreditLossExpenseReversalCommitments


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value69-225.71-316.6444732735
Percentage of FinancingReceivableCreditLossExpenseReversalCommitments100.0100.0100.0100.0100.0100.0

slm:FinancingReceivableCreditLossExpenseReversalExistingCommitments

slm:FinancingReceivableCreditLossExpenseReversalExistingCommitments


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value69363612925353
Percentage of FinancingReceivableCreditLossExpenseReversalExistingCommitments100.0100.0100.0100.0100.0100.0

slm:FinancingReceivableCreditLossExpenseReversalNewCommitments

slm:FinancingReceivableCreditLossExpenseReversalNewCommitments


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-0.463-261.913-353.163-81.7198-17.931
Percentage of FinancingReceivableCreditLossExpenseReversalNewCommitments100.0100.0100.0100.0100.0100.0

slm:FinancingReceivableCreditLossExpenseReversalOtherImpacts

slm:FinancingReceivableCreditLossExpenseReversalOtherImpacts


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.18-0.0570.272-51.222425
Percentage of FinancingReceivableCreditLossExpenseReversalOtherImpacts100.0100.0100.0100.0100.0100.0

slm:FinancingReceivableCreditLossExpenseReversalOtherImpacts us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

slm:CreditCards


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.182-0.0860.1370.3910.5090.291
Percentage of FinancingReceivableCreditLossExpenseReversalOtherImpacts101.1150.950.4-0.82.11.1

slm:PersonalLoans


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.0-51.6782325
Percentage of FinancingReceivableCreditLossExpenseReversalOtherImpacts0.0100.997.298.7

us-gaap:FederalFamilyEducationLoanProgramFfelpGuaranteedLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-0.0020.0290.1350.0670.1730.037
Percentage of FinancingReceivableCreditLossExpenseReversalOtherImpacts-1.1-50.949.6-0.10.70.1

slm:FinancingReceivableCreditLossExpenseReversalReduction

slm:FinancingReceivableCreditLossExpenseReversalReduction


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value282287-559.0162
Percentage of FinancingReceivableCreditLossExpenseReversalReduction100.0100.0100.0100.0

slm:IncreaseToLifeOfLoanDefaults us-gaap:Range

slm:IncreaseToLifeOfLoanDefaults

srt:Maximum


Increase
Period End2020-09-302020-06-302020-03-31
Value13.8600.14
Percentage of IncreaseToLifeOfLoanDefaults100.00.0100.0

srt:Minimum


Increase
Period End2020-09-302020-06-302020-03-31
Value3.9600.04
Percentage of IncreaseToLifeOfLoanDefaults28.60.028.6

slm:InterestIncomeonTaxIndemnificationReceivable

slm:InterestIncomeonTaxIndemnificationReceivable


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-2.835-2.814-9.7640.1310.3980.169-10.668-0.699-4.1993.917-6.736-89.5322.2221.231-31.577-3.7381.9261.501-2.103102.9861.080.281.6111.7531.754
Percentage of InterestIncomeonTaxIndemnificationReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:InterestRateReductionPercentage

slm:InterestRateReductionPercentage


Interest
Period End2021-03-31
Value4.0
Percentage of InterestRateReductionPercentage100.0

slm:LoansandLeasesReceivablePercentageofFFELPLoansInsuredandGuaranteed

slm:LoansandLeasesReceivablePercentageofFFELPLoansInsuredandGuaranteed


Loansand
Period End2021-06-302021-03-31
Value097.0
Percentage of LoansandLeasesReceivablePercentageofFFELPLoansInsuredandGuaranteed0.0100.0

slm:NetIncreaseDecreaseinUpfrontLoanFees

slm:NetIncreaseDecreaseinUpfrontLoanFees


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-13000.0-2833000.0-5000.00-68000.0-3183000.000-51000.0-1065000.0-3000.00-32000.0-1063000.00-22000.0256000.0-1515000.00-6000.0-194000.0-1250000.0-2233000.00-104000.0000
Percentage of NetIncreaseDecreaseinUpfrontLoanFees100.0100.0100.00.0100.0100.00.00.0100.0100.0100.00.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.00.0100.00.00.00.0

slm:NetProceedsFromSalesOfPersonalLoansHeldForInvestmentAccruedInterest

slm:NetProceedsFromSalesOfPersonalLoansHeldForInvestmentAccruedInterest


Net
Period End2020-09-30
Value7000000.0
Percentage of NetProceedsFromSalesOfPersonalLoansHeldForInvestmentAccruedInterest100.0

slm:NetProceedsFromSalesOfPersonalLoansHeldForInvestmentPrincipal

slm:NetProceedsFromSalesOfPersonalLoansHeldForInvestmentPrincipal


Net
Period End2020-09-30
Value697
Percentage of NetProceedsFromSalesOfPersonalLoansHeldForInvestmentPrincipal100.0

slm:NetProceedsFromSalesOfStudentLoansHeldForSaleAccruedInterest us-gaap:SubsequentEventType

slm:NetProceedsFromSalesOfStudentLoansHeldForSaleAccruedInterest

us-gaap:SubsequentEvent


Net
Period End2021-01-08
Value15
Percentage of NetProceedsFromSalesOfStudentLoansHeldForSaleAccruedInterest100.0

slm:NetProceedsFromSalesOfStudentLoansHeldForSaleCapitalizedInterest

slm:NetProceedsFromSalesOfStudentLoansHeldForSaleCapitalizedInterest


Net
Period End2021-06-302021-03-312020-03-31
Value2.0193199
Percentage of NetProceedsFromSalesOfStudentLoansHeldForSaleCapitalizedInterest100.0100.0100.0

slm:NetProceedsFromSalesOfStudentLoansHeldForSaleCapitalizedInterest us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Net
Period End2021-01-08
Value185
Percentage of NetProceedsFromSalesOfStudentLoansHeldForSaleCapitalizedInterest0.0

slm:NetProceedsFromSalesOfStudentLoansHeldForSalePrincipal

slm:NetProceedsFromSalesOfStudentLoansHeldForSalePrincipal


Net
Period End2021-06-302021-03-312020-03-31
Value2529702900
Percentage of NetProceedsFromSalesOfStudentLoansHeldForSalePrincipal100.0100.0100.0

slm:NetProceedsFromSalesOfStudentLoansHeldForSalePrincipal us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Net
Period End2021-01-08
Value2800
Percentage of NetProceedsFromSalesOfStudentLoansHeldForSalePrincipal0.0

slm:Netincreasedecreaseinbrokeredcertificatesofdeposit

slm:Netincreasedecreaseinbrokeredcertificatesofdeposit


Netincreasedecreaseinbrokeredcertificatesofdeposit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-1626.596-686.344-625.553-742.81-1129.70269166689513834045711006252694492779459-151.003-916.363425265-209.411450301-66.236-74.457941240-517.478-324.4871088-31.168
Percentage of Netincreasedecreaseinbrokeredcertificatesofdeposit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:Netincreasedecreaseinloansheldforinvestment

slm:Netincreasedecreaseinloansheldforinvestment


Netincreasedecreaseinloansheldforinvestment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-871.447-1021.353-878.331-919.047-858.024-1177.589-1101.177-988.572-926.999-1077.273-868.311-766.054-706.733-735.894-577.64-507.853-473.597-506.637-378.626-329.675-291.626-332.414-240.34-227.055-201.62-243.99-3570.6914201695-183.59-3300.3581343
Percentage of Netincreasedecreaseinloansheldforinvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:NetincreaseinNOWaccountdeposits

slm:NetincreaseinNOWaccountdeposits


Netincreasein
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-30
Value-34.395850281275-55.044538822901268.312323464-31.5718363877245-56.913-50.084-22.4150.0-153.8421354.379
Percentage of NetincreaseinNOWaccountdeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

slm:Netproceedsfromsalesofstudentloansheldforinvestment

slm:Netproceedsfromsalesofstudentloansheldforinvestment


Netproceedsfromsalesofstudentloansheldforinvestment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-0.3063436-0.247592-0.36932830.00.00.00.00.00.0440.821.4952.0251.51.9721.6092.1762.3713.3657574.6137796.3877.608123876679118602
Percentage of Netproceedsfromsalesofstudentloansheldforinvestment100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:OffBalanceSheetCreditLossLiabilityOtherProvisionBenefit

slm:OffBalanceSheetCreditLossLiabilityOtherProvisionBenefit


Off
Period End2021-06-302021-03-312020-06-302020-03-31
Value21-3.994213.982
Percentage of OffBalanceSheetCreditLossLiabilityOtherProvisionBenefit100.0100.0100.0100.0

slm:OffBalanceSheetCreditLossLiabilityTransferFromUnfundedCommitments us-gaap:CumulativeEffectPeriodOfAdoption

slm:OffBalanceSheetCreditLossLiabilityTransferFromUnfundedCommitments

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Off
Period End2021-06-302021-03-312020-09-302020-06-30
Value2412610042
Percentage of OffBalanceSheetCreditLossLiabilityTransferFromUnfundedCommitments100.0100.0100.0100.0

slm:OffBalanceSheetCreditLossLiabilityTransferFromUnfundedCommitments us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

srt:CumulativeEffectPeriodOfAdoptionAdjustment, slm:PrivateEducationLoans


Off
Period End2021-06-302021-03-312020-09-302020-06-30
Value2412610042
Percentage of OffBalanceSheetCreditLossLiabilityTransferFromUnfundedCommitments100.0100.0100.0100.0

slm:OffBalanceSheetCreditLossLiabilityWriteoff

slm:OffBalanceSheetCreditLossLiabilityWriteoff


Off
Period End2021-06-302021-03-312020-06-302020-03-31
Value2412637142
Percentage of OffBalanceSheetCreditLossLiabilityWriteoff100.0100.0100.0100.0

slm:ProceedsfromClaimpayments

slm:ProceedsfromClaimpayments


Proceedsfrom
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value4.6734.6026.1465.2555.9941111109.7691116111412149.8521211151515182023214639-2.8386327
Percentage of ProceedsfromClaimpayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:StockRepurchaseProgramCancelledPurchaseShares

slm:StockRepurchaseProgramCancelledPurchaseShares


Stock
Period End2021-06-302021-03-31
Value0.028
Percentage of StockRepurchaseProgramCancelledPurchaseShares0.0100.0

slm:StudentLoansacquiredandoriginated

slm:StudentLoansacquiredandoriginated


Student
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value551207664119115142310802241666522539232407862230092919674541892625183842718065791716407166340565.369-1491.6591524411289
Percentage of StudentLoansacquiredandoriginated100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:ThirdPartyBrokerFeesPaid

slm:ThirdPartyBrokerFeesPaid


Third
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-312013-12-312013-09-30
Value1.00.02.01.02.08.05.0141.01.06.0127.12.54.43.22.10.41.10.12.83.60.50.00.020-5.5330.0120.0
Percentage of ThirdPartyBrokerFeesPaid100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.00.0

slm:TreasuryStockAcquiredAverageCostPerShareIncludingCommissionCosts

slm:TreasuryStockAcquiredAverageCostPerShareIncludingCommissionCosts


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value19.2715.750009.66-0.088.4510.0411.040000
Percentage of TreasuryStockAcquiredAverageCostPerShareIncludingCommissionCosts100.0100.00.00.00.0100.0100.0100.0100.0100.00.00.00.00.0

slm:TreasuryStockSharesAcquiredAdditionalSharesReceived us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock

slm:TreasuryStockSharesAcquiredAdditionalSharesReceived

slm:A2020ShareRepurchaseProgram, us-gaap:CommonStock


Treasury
Period End2021-01-26
Value13
Percentage of TreasuryStockSharesAcquiredAdditionalSharesReceived100.0

slm:TreasuryStockSharesAcquiredAdditionalSharesReceived us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

slm:A2020ShareRepurchaseProgram, us-gaap:CommonStock, us-gaap:SubsequentEvent


Treasury
Period End2021-01-28
Value13
Percentage of TreasuryStockSharesAcquiredAdditionalSharesReceived0.0

slm:VerticalRiskRetentionPercentage

slm:VerticalRiskRetentionPercentage


Vertical
Period End2021-06-302021-03-312020-06-302020-03-31
Value05.000.05
Percentage of VerticalRiskRetentionPercentage0.0100.00.0100.0

slm:VerticalRiskRetentionPercentage us-gaap:DebtInstrument

slm:A2021C


Vertical
Period End2021-05-27
Value5.0
Percentage of VerticalRiskRetentionPercentage0.0

slm:WeightedAverageInterestRateonLoans us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:WeightedAverageInterestRateonLoans

slm:CreditCards


Weighted
Period End2021-06-302021-03-312020-06-302020-03-31
Value6.640.78-9.34-4.72
Percentage of WeightedAverageInterestRateonLoans100.0100.0100.0100.0

slm:PersonalLoans


Weighted
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value12.860.12540.12110.12160.120.11810.11030.10650.10640.09660.09280.0916
Percentage of WeightedAverageInterestRateonLoans0.0-1.3-2.60.00.00.00.00.00.00.00.00.0

slm:PrivateEducationLoans


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value8.228.228.240.08330.08860.0930.09390.0950.09160.09030.08840.0850.08330.0826
Percentage of WeightedAverageInterestRateonLoans123.81053.80.0-0.9-1.90.00.00.00.00.00.00.00.00.0

us-gaap:FederalFamilyEducationLoanProgramFfelpGuaranteedLoans


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value3.413.413.460.03820.04290.04540.05010.04940.04650.04510.04250.04020.03870.0369
Percentage of WeightedAverageInterestRateonLoans51.4437.20.0-0.4-0.90.00.00.00.00.00.00.00.00.0

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments


Accretion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-1918000.0-2161000.0-2095000.0-1704000.0-1941000.0-610000.0-757000.0-819000.0-304000.0-189000.0-368000.0-359000.0-510000.0-475000.0-578000.0-632000.0-420000.0-452000.0-656000.0-594000.0-451000.0-342000.0-384000.0-449000.0-559000.0-324000.0-200000.0
Percentage of AccretionAmortizationOfDiscountsAndPremiumsInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3.617140.0220.007120.1460.241141.3412.327300.89412192.6791.7576.7555.9793.0953.11350209.0684216206.0321.04.014283.03.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3.617140.9250.0220.007120.3610.1460.241140.2941.3412.327307.9290.8941219152.6791.7576.7550.7421.20913135.9793.0953.11350209.0684216206.0321.04.014283.03.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities

us-gaap:AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-365.886-595.455-406.218-318.034-121.348-217.759-79.592-142.815-230.036-141.474-157.853-116.784-175.168-140.412-92.594-92.066-172.63-98.556-131.798-89.669-116.097-113.695-52.216-90.668-155.723-66.88-218.268-89.29-157.739-165.2613.29418-391.9931834596171794444977536135841514409-3355.791-5789.556
Percentage of AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount

us-gaap:AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount


Affordable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value01000000.05000000.0001000000.05200000.0
Percentage of AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount0.0100.0100.00.00.0100.0100.0

us-gaap:AmortizationOfDeferredLoanOriginationFeesNet

us-gaap:AmortizationOfDeferredLoanOriginationFeesNet


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-3967000.0-4016000.0-4025000.0-3907000.0-3979000.0-12241000.0-3299000.0-3324000.0-3242000.0-3184000.0-2866000.0-2924000.0-2508000.0-2607000.0-2136000.0-2053000.0-2292000.0-1777000.0-1507000.0-1584000.0-1497000.0-1223000.0-1183000.0-1005000.0-917000.0-641000.0-549000.0-599000.0-549000.0-298000.0-1446000.0-137000.0
Percentage of AmortizationOfDeferredLoanOriginationFeesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths


Cash
Period End2021-06-302021-03-31
Value-39.020
Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths100.0100.0

us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1 us-gaap:HedgingDesignation

us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1

us-gaap:DesignatedAsHedgingInstrument


Change
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value-20.934-31.251-24.458-2.855144165723-4.896-7.63-15.246-0.546
Percentage of ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 us-gaap:HedgingDesignation

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1

us-gaap:DesignatedAsHedgingInstrument


Change
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value2031242.296-143.248-16.391-57.717-23.9864.8097.451153.294
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:CommonStockDividendsPerShareCashPaid


Common
Period End2021-06-302020-06-302020-03-312019-09-302019-06-302019-03-312011-12-312011-09-302011-06-30
Value0.030.030.030.030.030.030.10.10.1
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


Common
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312012-01-312011-12-312011-09-302011-07-312011-06-302011-04-30
Value0.030.060.030.0300.060.0300000.150.150.150.150.150.1250.1250.1250.1250.1250.10.10.10.10.1
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.00.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

slm:SMBPrivateEducationLoanTrust2021B, us-gaap:LondonInterbankOfferedRateLIBOR


Debt
Period End2021-05-19
Value0.77
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain us-gaap:DebtInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

slm:A2021A, us-gaap:StudentLoan


Debt
Period End2021-02-09
Value18
Percentage of DebtSecuritiesAvailableForSaleRealizedGain100.0

slm:A2021C, us-gaap:StudentLoan


Debt
Period End2021-05-27
Value4.0
Percentage of DebtSecuritiesAvailableForSaleRealizedGain0.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:StudentLoan


Debt
Period End2021-02-09
Value18
Percentage of DebtSecuritiesAvailableForSaleRealizedGain100.0

us-gaap:DebtSecuritiesHeldToMaturityAllowanceForCreditLossWriteoff

us-gaap:DebtSecuritiesHeldToMaturityAllowanceForCreditLossWriteoff


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-1.4778.8580.0420.0161
Percentage of DebtSecuritiesHeldToMaturityAllowanceForCreditLossWriteoff100.0100.00.0100.00.0100.0

us-gaap:DebtSecuritiesHeldToMaturityAllowanceForCreditLossWriteoff us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

slm:PersonalLoans


Debt
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.0430.00.0
Percentage of DebtSecuritiesHeldToMaturityAllowanceForCreditLossWriteoff0.0100.20.00.0

slm:PrivateEducationLoans


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-1.4778.8580.00.00.0161
Percentage of DebtSecuritiesHeldToMaturityAllowanceForCreditLossWriteoff100.0100.00.00.00.0100.0

us-gaap:DebtSecuritiesHeldToMaturityCreditLossExpenseReversal

us-gaap:DebtSecuritiesHeldToMaturityCreditLossExpenseReversal


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.194-254.999-147.222-90.014253169
Percentage of DebtSecuritiesHeldToMaturityCreditLossExpenseReversal100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesHeldToMaturityCreditLossExpenseReversal us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

slm:CreditCards


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.182-0.0860.1370.3910.5090.291
Percentage of DebtSecuritiesHeldToMaturityCreditLossExpenseReversal15.20.0-0.1-0.40.20.2

slm:PersonalLoans


Debt
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.0-8.7622325
Percentage of DebtSecuritiesHeldToMaturityCreditLossExpenseReversal-0.09.79.514.9

slm:PrivateEducationLoans


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.014-254.942-147.494-81.71228143
Percentage of DebtSecuritiesHeldToMaturityCreditLossExpenseReversal84.9100.0100.290.890.384.9

us-gaap:FederalFamilyEducationLoanProgramFfelpGuaranteedLoans


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-0.0020.0290.1350.0670.1730.037
Percentage of DebtSecuritiesHeldToMaturityCreditLossExpenseReversal-0.2-0.0-0.1-0.10.10.0

us-gaap:DebtSecuritiesHeldToMaturityTransferToAvailableForSaleAllowanceForCreditLossExpense

us-gaap:DebtSecuritiesHeldToMaturityTransferToAvailableForSaleAllowanceForCreditLossExpense


Debt
Period End2021-06-302021-03-31
Value01887000.0
Percentage of DebtSecuritiesHeldToMaturityTransferToAvailableForSaleAllowanceForCreditLossExpense0.0100.0

us-gaap:DebtSecuritiesHeldToMaturityTransferToAvailableForSaleAllowanceForCreditLossExpense us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

slm:PrivateEducationLoans


Debt
Period End2021-06-302021-03-31
Value01887000.0
Percentage of DebtSecuritiesHeldToMaturityTransferToAvailableForSaleAllowanceForCreditLossExpense0.0100.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value3.833.7153.683.7093.8223.8553.8193.8823.3823.5863.8523.5023.3583.1172.9772.8292.782.5852.6964.6010.1912.1042.011.9911.7771.6593.7730.6840.461.1822.0821.283
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DerivativeGainLossOnDerivativeNet


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value106.5010.1365.826.80246-3.6350.656151.5736.238-1.665-5.2683.892-0.941.661-3.609-5.378-4.1141.3682.142-0.3540.953-0.5471.6023.2920.8255.401-9.458-0.764-0.2150.29718-31.0-28.0-233.06.0-372.0272-480.0-510.0-242.0-30.0-344.095-82.0
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:HedgingDesignation

us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value222223185.558-2.705-4.329-3.925-0.087-3.0935.8722.748
Percentage of DerivativeGainLossOnDerivativeNet215.2348.2409.7277.512.0-412.3-28.7-249.55.258.7150.9165.4

us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value-6.948-10.864-12.848-7.853422.844184.202-1.557-2.18-4.755-0.247
Percentage of DerivativeGainLossOnDerivativeNet-65.4-167.1-220.8-115.591.3433.5120.8267.193.541.4-122.2-14.9

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value9.26410-0.2472212-0.339253e-08646565666857586163515152
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value9.2641011-0.247221212-0.3392513646565666857586163515152
Percentage of DividendsCommonStockCash100.0100.00.0100.0100.0100.00.0100.0100.043400000000.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStockCash us-gaap:StatementClassOfStock

us-gaap:DividendsPreferredStockCash

us-gaap:SeriesBPreferredStock


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.1921.2012.0582.4783.4644.1534.3314.4684.1243.923.3973.0282.8882.72.4412.3682.2642.1131.981.9751.3112.02.02.02.02.02.02.02.02.02.02.01.1771.003-7.2081.01.0140.955
Percentage of DividendsPreferredStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStockCash us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:SeriesBPreferredStock, us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.1921.2011.7342.0582.4783.4643.8854.1534.3314.4684.1994.1243.923.3973.1373.0282.8882.72.632.4412.3682.2642.1132.0381.9951.9481.981.9751.3112.02.02.02.02.02.02.02.02.02.02.01.1771.003-7.2081.01.0140.955
Percentage of DividendsPreferredStockCash100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquitySecuritiesFvNiGainLoss

us-gaap:EquitySecuritiesFvNiGainLoss


Equity
Period End2021-06-302019-09-30
Value358.0
Percentage of EquitySecuritiesFvNiGainLoss100.0100.0

us-gaap:FederalDepositInsuranceCorporationPremiumExpense

us-gaap:FederalDepositInsuranceCorporationPremiumExpense


Federal
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value5.9255.1884.4481.4557.1638.899.0648.8147.3567.6186.8539.1368.0018.7967.4737.6266.6227.2295.6615.0954.2774.1764.1183.801
Percentage of FederalDepositInsuranceCorporationPremiumExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery

us-gaap:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value43476153396169676748
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

slm:CreditCards


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.0680.0870.0210.0480.0410.007
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery0.20.20.00.10.10.0

slm:PersonalLoans


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.03.125131718181714
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery0.05.833.528.827.026.826.529.6

slm:PrivateEducationLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value42476150264350494933
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery99.799.699.893.966.270.872.772.973.369.9

us-gaap:FederalFamilyEducationLoanProgramFfelpGuaranteedLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0540.0890.120.0890.0840.2260.2140.2030.1710.234
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery0.10.20.20.20.20.40.30.30.30.5

us-gaap:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value9047616943
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery209.999.699.8175.970.8

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value6.9787.7045.7256.8966.8689.5188.6598.3227.3846.606615355546850454450403937
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

slm:CreditCards


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.0060.0010.00.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.10.00.00.0

slm:PersonalLoans


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.02.1061.3361.5421.5631.4581.2760.909
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.030.519.516.218.117.517.313.8

slm:PrivateEducationLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6.9727.7035.7234.795.5327.9767.0966.8646.1085.697
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery99.9100.0100.069.580.583.881.982.582.786.2

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value147.7035.723137.976
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery210.3100.0100.0196.783.8

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value50556660467078767455263025211820151110.0-59.09.07.07.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

slm:CreditCards


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.0740.0880.0230.0480.0410.007
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.10.20.00.10.10.0

slm:PersonalLoans


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.05.231141920191915
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.08.631.427.126.025.725.627.7

slm:PrivateEducationLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value49556655315157565539
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs99.799.799.891.268.372.573.774.074.271.9

us-gaap:FederalFamilyEducationLoanProgramFfelpGuaranteedLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0540.0890.120.0890.0840.2260.2140.2030.1710.234
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.10.20.20.10.20.30.30.30.20.4

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:FinancingReceivablePortfolioSegment

us-gaap:ConsumerPortfolioSegment


Financing
Period End2020-09-302020-06-302019-09-302019-06-30
Value100422.170.308
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs165.691.42.80.4

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-06-302020-03-31
Value10555668351
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs210.099.799.8179.072.5

us-gaap:ConsumerPortfolioSegment, us-gaap:UnfundedLoanCommitment


Financing
Period End2020-12-312020-09-302019-12-312019-09-30
Value411000.5032.17
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs61.6165.60.62.8

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:UnfundedLoanCommitment


Financing
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value62518904957142242531
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs935.03115.91066.5913.92941.3712.1

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value1.9173.7176.5330361321571151311119210111684168134112
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment2100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value1.564.8696.3631917302729302521201829282325
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown

us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value151723208.623191921171613111215121210
Percentage of FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnDerivativeInstrumentsNetPretax

us-gaap:GainLossOnDerivativeInstrumentsNetPretax


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value0.0890.0280.136-0.0153.75145-3.6351.961162.7636.238-4.949-5.2683.892-0.941.661-3.609-5.378-4.1141.3682.142-0.3540.953-0.5471.6023.2920.8255.401-9.458-8.0-128.0-127.018-31.0-28.0-233.06.0-372.0272-480.0-509.788-241.882-29.447-344.45895-82.41-35.209-111.556-561.795104
Percentage of GainLossOnDerivativeInstrumentsNetPretax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GainLossOnDispositionOfAssets1


Gain
Period End2020-12-312020-09-302020-05-31
Value0.00.011
Percentage of GainLossOnDispositionOfAssets10.00.0100.0

us-gaap:GainLossOnFairValueHedgesRecognizedInEarnings us-gaap:HedgingDesignation

us-gaap:GainLossOnFairValueHedgesRecognizedInEarnings

us-gaap:DesignatedAsHedgingInstrument


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value222223194.623-2.924-4.061-3.827-3.977-2.9145.853
Percentage of GainLossOnFairValueHedgesRecognizedInEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfNotesReceivable

us-gaap:GainLossOnSaleOfNotesReceivable


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value3.679399-0.247-0.004-0.3692380.00.0
Percentage of GainLossOnSaleOfNotesReceivable100.0100.0100.0100.0100.0100.00.00.0

us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

us-gaap:ImpairedFinancingReceivableAverageRecordedInvestment

slm:TDRLoans


Impaired
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value12511288155415561615146713951312118011051032
Percentage of ImpairedFinancingReceivableAverageRecordedInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ImpairedFinancingReceivableInterestIncomeCashBasisMethod us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

us-gaap:ImpairedFinancingReceivableInterestIncomeCashBasisMethod

slm:TDRLoans


Impaired
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2121242424262624222121191817
Percentage of ImpairedFinancingReceivableInterestIncomeCashBasisMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable


Increase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-30
Value-231850000.0-270000.0-220250000.0-22887000.0-710000.0-52741000.0-128300000.0-3947000.0-48529000.0-106810000.0-1159000.0-77460000.0-138090000.0-1689000.0-52145000.0-94206000.0-54987000.0-78627000.0-74496000.0-23049000.0-94334000.0-76953000.0-122830000.0-199050000.0
Percentage of IncreaseDecreaseInAccruedIncomeTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedInterestReceivableNet

us-gaap:IncreaseDecreaseInAccruedInterestReceivableNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value186183208203228236244240239239235221206201196181171153151152130147611256912111044284-109.0-6.03261-19.0-157.0-100.0-99.0-5.0-327.0-43.371-196.563103-324.072180-10.604158
Percentage of IncreaseDecreaseInAccruedInterestReceivableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInEquitySecuritiesFvNi

us-gaap:IncreaseDecreaseInEquitySecuritiesFvNi


Increase
Period End2021-06-302021-03-31
Value8.2940.317
Percentage of IncreaseDecreaseInEquitySecuritiesFvNi100.0100.0

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInInterestPayableNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.789-9.081-14.6411-30.52218-8.01414-0.3687.405-1.286150.26111-0.93611-2.8716.146-6.4667.278-6.1559.079-6.9247.579-6.8936.5410.3465.5766-69.038-67.04.02.014-84.0-10.039-7.012-75.82145-94.18-17.677-45.15679
Percentage of IncreaseDecreaseInInterestPayableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value44514.26-16.3032932-7.183-18.023270.6818.8749.452153519327.15113248.2883.2110.048-7.192232.07936-30.44522-3.99910-26.036154-73.0-258.050-3.311-212.287350130-547.839-821.729
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-17.1588.759-45.86-32.94424134-10.542-11.99966-39.049111110-18.873-3.972414.157-39.4247.431-0.8455.8172.159-20.6269.6026.922-10.629-33.393181.1411-2.0115-25.0-175.047-61.0197-138.0107105-145.91-78.761-46.55555-127.466-3.366
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4936000.05198000.0686000.02824000.002969000.0105000.03187000.02975000.03674000.018000.04551000.04258000.05025000.0-129000.06701000.06870000.08844000.0675000.05446000.03854000.03792000.0-487000.06528000.07054000.07874000.0162000.08525000.07945000.08000000.01000000.09000000.08000000.07000000.007000000.06000000.07000000.00404000.0378000.05218000.0812000.0-226000.01319000.01132000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestAndDividendIncomeOperating


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value43443647948248457460059057356653849746243739936634232930027225524922220819820117816816512961333134013371366142514641403147715021476145914921392151114641385
Percentage of InterestAndDividendIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseDeposits

us-gaap:InterestExpenseDeposits


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value57667483100135141143136125116105907766615044403835342929292927242122232021
Percentage of InterestExpenseDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseShortTermBorrowings

us-gaap:InterestExpenseShortTermBorrowings


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value5.73.2023.4183.4243.3994.2172.4931.41.1351.1651.1561.1561.1282.3932.1071.8041.1941.2361.4951.6042.062.1631.7711.9510.7350.8320.00.0
Percentage of InterestExpenseShortTermBorrowings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:InterestIncomeDebtSecuritiesAvailableForSaleOperating

us-gaap:InterestIncomeDebtSecuritiesAvailableForSaleOperating


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.1682.7282.6573.3272.4892.5172.3352.1451.7061.4211.1811.341.6941.947
Percentage of InterestIncomeDebtSecuritiesAvailableForSaleOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value269556682368-3.112338321305303338325286277278253227219242202181170177157147152154120129143581599592583554518549503558587476577594536513513495329204105-35.216
Percentage of InterestIncomeExpenseAfterProvisionForLoanLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense

us-gaap:LaborAndRelatedExpense


Labor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6271636272846864667861626068555151554543445039393841363131142124128134138122122120127123138125135135138139149
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestExpense

us-gaap:NoninterestExpense


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1281251231511411471411531381401451501351241181161111029899959384949086888775396334273286274268251247272252292276312350982337322
Percentage of NoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestIncome

us-gaap:NoninterestIncome


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value524130.9329.62728292-3.84617191612-85.6517.53813-22.0066.1167.025.9689.351221520719.908891112967.699417669510277255-7.0203-108.0460-300.0-328.06-5.601574-152.0367232
Percentage of NoninterestIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestIncomeOtherOperatingIncome

us-gaap:NoninterestIncomeOtherOperatingIncome


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value48141.0439.646257.487-0.211152.655136.446-80.702129.642-21.0664.4551011132113211210108.007115.461156.0759.02490523.0-2.040431.03.18821-0.631-4.0-2.44913
Percentage of NoninterestIncomeOtherOperatingIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal

us-gaap:OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal


Off
Period End2021-06-302021-03-312020-06-302020-03-31
Value48407249
Percentage of OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value2.354-10.0710.2051.5451.2114.8030.5471.3443.1642.938-1.8110.042-4.1270.7340.167-1.5670.4061.2933.024-1.7062.008-3.180.6732.437-0.5252.7491.406-69.3933.613
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeTax

us-gaap:OtherComprehensiveIncomeLossBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value3.21136.4796.797-1.132-40.89110-8.739-20.849-11.179-21.6184.7451016115.548-1.8623.212319.73-7.439-21.3512-19.74314-15.016-15.452-2.4082.7491.406-69.3933.613
Percentage of OtherComprehensiveIncomeLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.856236.2745.252-2.343-45.6949.799-10.083-24.013-14.1176.5561020
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-4.438181.1960.076-6.562-47.2229.096-9.566-22.824-12.8216.4539.47118
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-5294000.0-5269000.0-5078000.0-5176000.0-4219000.0-1528000.0-703000.0517000.01189000.01296000.0-21000.0-543000.0-1562000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeLossTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.7733.2291.7381.667-0.335-9.9842.53-2.135-5.093-2.733-5.2291.2192.4413.9024.4162.113-0.7011.232113.69-2.855-8.144.898-7.6765.84-5.825-5.911-0.9210.962-2.03.0-1.08.01.02.01.0-1.03.0
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value33-2.578-3.421-1.577-2.238-1.574-6.1716.298-1.933-1.918-2.018-2.132-1.533-1.763-1.235-1.603-1.74-1.258-0.984-1.439-0.851-0.250.522-0.2160.00.0
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:OtherNoninterestExpense

us-gaap:OtherNoninterestExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5947546361546479645377796647555753394751504245535139414028224181129124132131122119135120147143167173164170138
Percentage of OtherNoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherRestructuringCosts

us-gaap:OtherRestructuringCosts


Other
Period End2020-09-30
Value4000000.0
Percentage of OtherRestructuringCosts100.0

us-gaap:PaymentsForProceedsFromOtherInterestEarningAssets

us-gaap:PaymentsForProceedsFromOtherInterestEarningAssets


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-5.477-19.282-10.934-21.094-18.06640-22.1069.483334.764-4.9143.686-3.25210-9.717-17.223-1.8161.2281.831-6.272-4.8963.6067.241-2.852-7.123-14.9256.7741921-0.01-1.194
Percentage of PaymentsForProceedsFromOtherInterestEarningAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2021-06-302021-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0325000.000000634000.0400000.023000.0739000.0965000.0386000.0000
Percentage of PaymentsOfDebtIssuanceCosts0.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.1921.2011.7342.0582.4783.4643.8854.1534.3314.4684.1994.1243.923.3975.05.05.05.05.05.05.05.05.05.05.074.0523.87815181818
Percentage of PaymentsOfDividendsPreferredStockAndPreferenceStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value30420018534114936250145126337.9625.02.9140.0
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ProceedsFromIncomeTaxRefunds

us-gaap:ProceedsFromIncomeTaxRefunds


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.01.0492.1950.0081.1262.890.00.1350.6770.0418.2751.3842.80.990.4150.1530.8010.0320.00.00.00.086250.01.01.01.0171.07.00.00.05.0-11.0-4.034-3.958-18.008-62.0-66.959-0.812-498.229
Percentage of ProceedsFromIncomeTaxRefunds0.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt us-gaap:DebtInstrument

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt

slm:PrivateEducationLoans2020TermB


Proceeds
Period End2020-08-12
Value705
Percentage of ProceedsFromIssuanceOfUnsecuredDebt100.0

slm:SMBPrivateEducationLoanTrust2021B


Proceeds
Period End2021-05-19
Value529
Percentage of ProceedsFromIssuanceOfUnsecuredDebt0.0

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value376205277271861818216.0594.577.0548.606511010128.8068.1712108.9266.5667.5138.286116.633.3163.6251.7122.010.08.0119.0151232123029795366314108954319182
Percentage of ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt us-gaap:DebtInstrument, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

slm:A2021A, us-gaap:StudentLoan


Proceeds
Period End2021-02-09
Value2500
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.0

slm:A2021C, us-gaap:StudentLoan


Proceeds
Period End2021-05-27
Value505
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt0.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:StudentLoan


Proceeds
Period End2021-02-092020-06-302020-03-31
Value250017001700
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.00.00.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:SubsequentEventType

us-gaap:StudentLoan, us-gaap:SubsequentEvent


Proceeds
Period End2021-02-092021-01-08
Value25003000
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.00.0

us-gaap:ProceedsFromSaleOfLoansHeldForSale

us-gaap:ProceedsFromSaleOfLoansHeldForSale


Proceeds
Period End2021-06-302021-03-31
Value273160
Percentage of ProceedsFromSaleOfLoansHeldForSale100.0100.0

us-gaap:ProceedsFromSaleOfLoansHeldForSale us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Proceeds
Period End2021-01-08
Value3000
Percentage of ProceedsFromSaleOfLoansHeldForSale0.0

us-gaap:ProceedsFromSaleOfLoansReceivable

us-gaap:ProceedsFromSaleOfLoansReceivable


Proceeds
Period End2021-06-302021-03-312020-03-31
Value3031603100
Percentage of ProceedsFromSaleOfLoansReceivable100.0100.0100.0

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value69-225.767-316.372-3.6435161979993635770635355545025434141323027151630141.014392920
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanAndLeaseLosses

us-gaap:ProvisionForLoanAndLeaseLosses


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-0.283-261.97-352.891-132.932537.7159798926557686255555349264340413428271516795.1390.654185190207201241314270243253
Percentage of ProvisionForLoanAndLeaseLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanAndLeaseLosses us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

slm:CreditCards


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.182-0.0860.1370.3910.5090.291
Percentage of ProvisionForLoanAndLeaseLosses-64.30.0-0.0-0.30.23.8

slm:PersonalLoans


Provision
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.0-51.678232514142122182616135.5580.80.4920.288
Percentage of ProvisionForLoanAndLeaseLosses-0.038.99.5328.214.914.323.134.732.038.026.024.210.11.51.01.1

slm:PrivateEducationLoans


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value-0.463-261.913-353.163-81.71228-17.9318284714138424641495349264240423328271516794.3780.0175180195187225296252225
Percentage of ProvisionForLoanAndLeaseLosses163.6100.0100.161.590.3-232.484.885.676.763.867.661.773.675.489.898.698.6100.199.599.3102.499.1100.199.597.097.4100.185.20.094.694.794.293.093.494.393.392.6

us-gaap:FederalFamilyEducationLoanProgramFfelpGuaranteedLoans


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value-0.0020.0290.1350.0670.1730.0370.1580.1580.1451.0170.2380.2590.2520.231-0.0730.228-0.316
Percentage of ProvisionForLoanAndLeaseLosses0.7-0.0-0.0-0.10.10.50.20.20.21.50.40.40.40.4-0.10.5-1.2

us-gaap:ProvisionForLoanLeaseAndOtherLosses

us-gaap:ProvisionForLoanLeaseAndOtherLosses


Provision
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-225.767-316.372-3.6435161979993635770635355545025434141323027151630141.014392920-1.015241314270243253292409290303319358382359269321278250
Percentage of ProvisionForLoanLeaseAndOtherLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLossesExpensed

us-gaap:ProvisionForLoanLossesExpensed


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value69-225.767-316.372-3.6435161999363
Percentage of ProvisionForLoanLossesExpensed100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLossesExpensed us-gaap:FinancingReceivablePortfolioSegment

us-gaap:ConsumerPortfolioSegment


Provision
Period End2020-09-302020-06-302019-09-302019-06-30
Value129983.3820.768
Percentage of ProvisionForLoanLossesExpensed-3551.928.13.40.8

us-gaap:ProvisionForLoanLossesExpensed us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ConsumerPortfolioSegment, us-gaap:UnfundedLoanCommitment


Provision
Period End2020-12-312020-09-302019-12-312019-09-30
Value361291.0173.382
Percentage of ProvisionForLoanLossesExpensed-11.5-3551.90.03.4

us-gaap:ProvisionForLoanLossesExpensed us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:UnfundedLoanCommitment


Provision
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value5272542116539131401348
Percentage of ProvisionForLoanLossesExpensed-166.8-69845.9331.10.03155.41444.6

us-gaap:RepaymentsOfCommercialPaper

us-gaap:RepaymentsOfCommercialPaper


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302014-12-31
Value0.00.00.02898.570.00.00.00.00.00.03003000.00.00.03500.07063.7410.0
Percentage of RepaymentsOfCommercialPaper0.00.00.0100.0100.00.00.00.00.00.00.0100.0100.00.00.00.0100.00.0100.0100.00.0

us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminated

us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminated


Restructuring
Period End2020-12-31
Value0
Percentage of RestructuringAndRelatedCostNumberOfPositionsEliminated0.0

us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent

us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent


Restructuring
Period End2020-12-31
Value0
Percentage of RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent0.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value0.071.0772.088240.00.00.00.0-0.9130.910.7444.6571014132626122410.02.02.03.05.03.01.01.5943.561329.9817241.1892.4513.1583.773
Percentage of RestructuringCharges100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SeveranceCosts1

us-gaap:SeveranceCosts1


Severance
Period End2020-09-30
Value20
Percentage of SeveranceCosts1100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue


Stock
Period End2021-06-302021-03-31
Value0.578471
Percentage of StockRepurchasedAndRetiredDuringPeriodValue100.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-31
Value0.578466
Percentage of StockRepurchasedAndRetiredDuringPeriodValue100.098.8

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-31
Value0.05.7
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.01.2

us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:TreasuryStockAcquiredAverageCostPerShare


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-06-302010-03-31
Value18.813.5-0.047.057.7710.98-0.079.5410.0510.95-0.0211.5411.611.31-0.1310.9312.3911.961.487.226.685.98-0.118.8810.149.460.258.688.6223.891.5424.7322.1219.490.3615.8114.3416.04015.2516.2815.6217.7212.53
Percentage of TreasuryStockAcquiredAverageCostPerShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockAcquiredAverageCostPerShare us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock

slm:A2020ShareRepurchaseProgram, us-gaap:CommonStock


Treasury
Period End2021-01-26
Value9.01
Percentage of TreasuryStockAcquiredAverageCostPerShare0.0

slm:TenderOffer, us-gaap:CommonStock


Treasury
Period End2021-03-10
Value16.5
Percentage of TreasuryStockAcquiredAverageCostPerShare0.0

us-gaap:TreasuryStockRetiredCostMethodAmount

us-gaap:TreasuryStockRetiredCostMethodAmount


Treasury
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.00.0558376060
Percentage of TreasuryStockRetiredCostMethodAmount0.00.0100.0100.0100.0100.0

us-gaap:TreasuryStockRetiredCostMethodAmount us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Treasury
Period End2020-09-302020-06-302020-03-312011-12-312011-09-302011-06-302011-03-31
Value0.00.0960.0-3780.00.01890
Percentage of TreasuryStockRetiredCostMethodAmount0.00.017.40.00.00.00.0

us-gaap:TreasuryStock


Treasury
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312011-12-312011-09-302011-06-302011-03-31
Value0.00.04613760600.03808-3804.01900
Percentage of TreasuryStockRetiredCostMethodAmount0.00.082.6100.0100.0100.00.00.00.00.0

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockSharesAcquired


Treasury
Period End2021-03-102021-01-282020-06-302020-03-112020-03-102020-03-312019-12-312019-09-302019-06-302019-01-232019-03-312018-12-312018-09-302018-06-302018-03-312014-03-312013-09-302013-06-302012-12-312012-09-302012-06-302012-03-312011-12-312011-03-312010-03-31
Value45130.04544471.1004814.4369635.989279175.4354760.00.00.00.08.00.09.058-40.499951823160.01.80.3
Percentage of TreasuryStockSharesAcquired100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:TreasuryStockSharesAcquired us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock

slm:A2020ShareRepurchaseProgram, us-gaap:CommonStock


Treasury
Period End2021-01-262021-03-312020-03-10
Value584.044
Percentage of TreasuryStockSharesAcquired0.00.0100.0

slm:A2021ShareRepurchaseProgram, us-gaap:CommonStock


Treasury
Period End2021-06-302021-03-31
Value2231
Percentage of TreasuryStockSharesAcquired0.00.0

slm:Rule10b51TradingPlan, us-gaap:CommonStock


Treasury
Period End2021-06-302021-03-31
Value226.8
Percentage of TreasuryStockSharesAcquired0.00.0

slm:TenderOffer, us-gaap:CommonStock


Treasury
Period End2021-03-10
Value28
Percentage of TreasuryStockSharesAcquired63.3

us-gaap:TreasuryStockSharesAcquired us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

slm:A2020ShareRepurchaseProgram, us-gaap:CommonStock, us-gaap:SubsequentEvent


Treasury
Period End2021-01-28
Value58
Percentage of TreasuryStockSharesAcquired446.2

us-gaap:TreasuryStockSharesRetired

us-gaap:TreasuryStockSharesRetired


Treasury
Period End2021-03-162011-03-31
Value2870
Percentage of TreasuryStockSharesRetired100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock

us-gaap:TreasuryStockValueAcquiredCostMethod

slm:A2020ShareRepurchaseProgram, us-gaap:CommonStock


Treasury
Period End2021-03-312020-03-10
Value75525
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0

slm:A2021ShareRepurchaseProgram, us-gaap:CommonStock


Treasury
Period End2021-06-302021-03-31
Value439517
Percentage of TreasuryStockValueAcquiredCostMethod0.0689.3

slm:Rule10b51TradingPlan, us-gaap:CommonStock


Treasury
Period End2021-06-302021-03-31
Value439121
Percentage of TreasuryStockValueAcquiredCostMethod0.0161.3

us-gaap:TreasuryStockValueAcquiredParValueMethod

us-gaap:TreasuryStockValueAcquiredParValueMethod


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-01-232019-03-31
Value439120420.00.033-124.0376016760
Percentage of TreasuryStockValueAcquiredParValueMethod100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredParValueMethod us-gaap:Range, us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

srt:Maximum, slm:TenderOffer, us-gaap:CommonStock, us-gaap:SubsequentEvent


Treasury
Period End2021-02-02
Value1.5e-05
Percentage of TreasuryStockValueAcquiredParValueMethod0.0

srt:Minimum, slm:TenderOffer, us-gaap:CommonStock, us-gaap:SubsequentEvent


Treasury
Period End2021-02-02
Value1.31e-05
Percentage of TreasuryStockValueAcquiredParValueMethod0.0

us-gaap:TreasuryStockValueAcquiredParValueMethod us-gaap:ShareRepurchaseProgram, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

slm:A2020ShareRepurchaseProgram, us-gaap:CommonStock, us-gaap:SubsequentEvent


Treasury
Period End2021-01-28
Value9.01e-06
Percentage of TreasuryStockValueAcquiredParValueMethod0.0

us-gaap:TreasuryStockValueAcquiredParValueMethod us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Treasury
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.0-174.6840.096
Percentage of TreasuryStockValueAcquiredParValueMethod0.0-144.80.0293.7

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-06-302020-03-31
Value4392950.0461
Percentage of TreasuryStockValueAcquiredParValueMethod100.0244.80.01397.7

us-gaap:UnrealizedGainLossOnDerivatives

us-gaap:UnrealizedGainLossOnDerivatives


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-6.937-10.872-11.529-12.89-8.44343-5.9113.007174.0277.418-4.89-5.0543.879-0.3173.902-5.469-5.364-4.1441.0461.667-0.8320.515-1.2340.8022.4170.0936.718-234.025226-18.0552-171.0-609.0338219-402.0104-54.0-1005.0189616-925.02185-1003.0-1178.0
Percentage of UnrealizedGainLossOnDerivatives100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrealizedGainLossOnInvestments

us-gaap:UnrealizedGainLossOnInvestments


Unrealized
Period End2020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.392.901-1.1910.00.0
Percentage of UnrealizedGainLossOnInvestments100.0100.0100.00.00.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-06-30
Value305
Percentage of EntityCommonStockSharesOutstanding100.0

slm:AccruedInterestReceivableFairValueDisclosure us-gaap:FairValueByMeasurementBasis

slm:AccruedInterestReceivableFairValueDisclosure

us-gaap:CarryingReportedAmountFairValueDisclosure


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value132312641387147213921281139215101401129911911270116110639671019926838766805719650564634562541469453453356
Percentage of AccruedInterestReceivableFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value143313731527156714581291149116381516140912851270116110639671019926838766805719650564634562541469356
Percentage of AccruedInterestReceivableFairValueDisclosure108.3108.6110.1106.4104.7100.8107.1108.5108.2108.5107.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:AccruedInterestReceivableFairValueDisclosureDifference

slm:AccruedInterestReceivableFairValueDisclosureDifference


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value10910814094651098
Percentage of AccruedInterestReceivableFairValueDisclosureDifference100.0100.0100.0100.0100.0100.0100.0

slm:AccruedInterestReceivableOnPrivateEducationLoans

slm:AccruedInterestReceivableOnPrivateEducationLoans


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312010-12-31
Value130512481168145413661258136614881376127611681250114110459511008913825739773695619542606539512445430434102410231037928918904101597310181271
Percentage of AccruedInterestReceivableOnPrivateEducationLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:AllowanceCoverageOfChargeOffsEndingLoans us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

slm:AllowanceCoverageOfChargeOffsEndingLoans

slm:CreditCards


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value12111211107.2343.884
Percentage of AllowanceCoverageOfChargeOffsEndingLoans100.0100.0100.0100.0100.0100.0100.0

slm:PrivateEducationLoans


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value204772074119729226142148521626231892312021628217912050420239186881879417432171321567915654142511384812290121111059610840931297688311782974827274656362145383404073990140111394743977539334391673865738876385723845038098
Percentage of AllowanceCoverageOfChargeOffsEndingLoans160182.7183410.0161213.7195964.7200686.2298959.7597054.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FederalFamilyEducationLoanProgramFfelpGuaranteedLoans


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value716727737745754766783798812828846866885907949967989
Percentage of AllowanceCoverageOfChargeOffsEndingLoans5608.26434.46027.16460.67046.010602.120167.50.00.00.00.00.00.00.00.00.00.0

slm:AllowanceCoverageOfChargeOffsEndingLoansInRepayment us-gaap:AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyType

slm:AllowanceCoverageOfChargeOffsEndingLoansInRepayment

slm:CreditCards


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value12111211107.2343.884
Percentage of AllowanceCoverageOfChargeOffsEndingLoansInRepayment100.0100.0100.0100.0100.0100.0100.0

slm:PrivateEducationLoans


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value148251477714304158531451214988167871607215332153101466613815129791295812206114061061510526970989058029784369276657566659955149457544254278397235183081315333151430972307313023630185289222887128120278522578425721247051437911182
Percentage of AllowanceCoverageOfChargeOffsEndingLoansInRepayment115968.2130674.1116888.6137377.0135556.9207193.0432226.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FederalFamilyEducationLoanProgramFfelpGuaranteedLoans


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value548540573564452581617631620641665679680702690765757
Percentage of AllowanceCoverageOfChargeOffsEndingLoansInRepayment4290.44782.94685.14891.24227.78045.315902.30.00.00.00.00.00.00.00.00.00.0

slm:AllowanceForUncollectibleAccruedInterest

slm:AllowanceForUncollectibleAccruedInterest


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312010-12-31
Value4.1044.4054.4674.4275.0123.4795.3097.5055.6734.6876.3226.4625.8524.6944.6645.5564.5222.8682.8983.5623.2413.0743.3322.9792.1562.6343.5173.253.633596667696867727294
Percentage of AllowanceForUncollectibleAccruedInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:AssetsFairValueDisclosureDifferenceBetweenCarryingValueandFairValue

slm:AssetsFairValueDisclosureDifferenceBetweenCarryingValueandFairValue


Assets
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value3263338041823481226521522188204120972105197317881881138213691040713
Percentage of AssetsFairValueDisclosureDifferenceBetweenCarryingValueandFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:BrokeredDeposits

slm:BrokeredDeposits


Brokered
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value115001210011900121001280013700138001250011800106001030095008700860082007100
Percentage of BrokeredDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:CarryingAmountOfAssetsSecuringDebtOutstandingLoans us-gaap:ConsolidatedEntities

slm:CarryingAmountOfAssetsSecuringDebtOutstandingLoans

us-gaap:VariableInterestEntityPrimaryBeneficiary


Carrying
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value5585534356615865538055945586
Percentage of CarryingAmountOfAssetsSecuringDebtOutstandingLoans100.0100.0100.0100.0100.0100.0100.0

slm:CarryingAmountOfAssetsSecuringDebtOutstandingLoans us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument

us-gaap:VariableInterestEntityPrimaryBeneficiary, slm:PrivateEducationLoanSecuritization


Carrying
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value5585534356615865538055945246
Percentage of CarryingAmountOfAssetsSecuringDebtOutstandingLoans100.0100.0100.0100.0100.0100.093.9

slm:CashduefromFederalReserveBank

slm:CashduefromFederalReserveBank


Cashduefrom
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value44005500250015001900240023442181
Percentage of CashduefromFederalReserveBank100.0100.0100.0100.0100.0100.0100.0100.0

slm:CommonEquityTierOneRiskBasedCapital

slm:CommonEquityTierOneRiskBasedCapital


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-31
Value31903164357932303085311232643123300829892896235020111734
Percentage of CommonEquityTierOneRiskBasedCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:DebtInstrumentFaceAmountAfterAdjustments

slm:DebtInstrumentFaceAmountAfterAdjustments


Debt
Period End2020-12-312019-12-312018-12-31
Value144471548012443
Percentage of DebtInstrumentFaceAmountAfterAdjustments100.0100.0100.0

slm:DebtInstrumentFaceAmountAfterAdjustments us-gaap:LongtermDebtType

slm:BrokeredDeposits


Debt
Period End2020-12-312019-12-312018-12-31
Value9072109417968
Percentage of DebtInstrumentFaceAmountAfterAdjustments62.870.764.0

slm:SecuredBorrowings


Debt
Period End2020-12-312019-12-312018-12-31
Value467543384274
Percentage of DebtInstrumentFaceAmountAfterAdjustments32.428.034.4

us-gaap:UnsecuredDebt


Debt
Period End2020-12-312019-12-312018-12-31
Value700200200
Percentage of DebtInstrumentFaceAmountAfterAdjustments4.81.31.6

slm:DebtInstrumentFaceAmountMaturityToCallDate

slm:DebtInstrumentFaceAmountMaturityToCallDate


Debt
Period End2020-12-312019-12-312018-12-31
Value143381543412453
Percentage of DebtInstrumentFaceAmountMaturityToCallDate100.0100.0100.0

slm:DebtInstrumentFaceAmountMaturityToCallDate us-gaap:LongtermDebtType

slm:BrokeredDeposits


Debt
Period End2020-12-312019-12-312018-12-31
Value8963108957979
Percentage of DebtInstrumentFaceAmountMaturityToCallDate62.570.664.1

slm:SecuredBorrowings


Debt
Period End2020-12-312019-12-312018-12-31
Value467543384274
Percentage of DebtInstrumentFaceAmountMaturityToCallDate32.628.134.3

us-gaap:UnsecuredDebt


Debt
Period End2020-12-312019-12-312018-12-31
Value700200200
Percentage of DebtInstrumentFaceAmountMaturityToCallDate4.91.31.6

slm:DebtSecuritiesAvailableForSaleNumberOfPositions

slm:DebtSecuritiesAvailableForSaleNumberOfPositions


Debt
Period End2021-06-302020-12-31
Value182.0163.0
Percentage of DebtSecuritiesAvailableForSaleNumberOfPositions100.0100.0

slm:DeferredTaxAssetsOtherIncludingValuationAllowance

slm:DeferredTaxAssetsOtherIncludingValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value1.0030.8740.9532.41109.8718.918554.03.05.72150
Percentage of DeferredTaxAssetsOtherIncludingValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:DeferredTaxAssetsRemainingBalanceofIndemnificationReceivableInConnectionwithTheSpinOff

slm:DeferredTaxAssetsRemainingBalanceofIndemnificationReceivableInConnectionwithTheSpinOff


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312014-04-30
Value7.015242527
Percentage of DeferredTaxAssetsRemainingBalanceofIndemnificationReceivableInConnectionwithTheSpinOff100.0100.0100.0100.0100.0

slm:DeferredTaxAssetsTaxDeferredExpensesReservesandAccrualsUnrecordedTaxBenefits

slm:DeferredTaxAssetsTaxDeferredExpensesReservesandAccrualsUnrecordedTaxBenefits


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value6.9976.0495.1063.7815.70215192.331
Percentage of DeferredTaxAssetsTaxDeferredExpensesReservesandAccrualsUnrecordedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0

slm:DeferredTaxLiabilitiesFederalDeferredforStateReceivable

slm:DeferredTaxLiabilitiesFederalDeferredforStateReceivable


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value7456000.05368000.02083000.03584000.02058000.0
Percentage of DeferredTaxLiabilitiesFederalDeferredforStateReceivable100.0100.0100.0100.0100.0

slm:DeferredTaxLiabilitiesGainsLossesOnRepurchasedDebt

slm:DeferredTaxLiabilitiesGainsLossesOnRepurchasedDebt


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value11107.155.3036.8316.2375.849304306297299187
Percentage of DeferredTaxLiabilitiesGainsLossesOnRepurchasedDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:DeferredTaxLiabilitiesMarketValueAdjustments

slm:DeferredTaxLiabilitiesMarketValueAdjustments


Deferred
Period End2020-12-312019-12-312018-12-31
Value5651000.03175000.00
Percentage of DeferredTaxLiabilitiesMarketValueAdjustments100.0100.00.0

slm:DeferredTaxLiabilitiesNetandLiabilityDuetoUncertainTaxPositions us-gaap:RelatedPartyTransactionsByRelatedParty

slm:DeferredTaxLiabilitiesNetandLiabilityDuetoUncertainTaxPositions

srt:AffiliatedEntity


Deferred
Period End2020-12-312019-12-312018-12-312014-04-30
Value7.01524310
Percentage of DeferredTaxLiabilitiesNetandLiabilityDuetoUncertainTaxPositions100.0100.0100.0100.0

slm:DeferredTaxLiabilitiesStudentLoanPremiumsandDiscountsNet

slm:DeferredTaxLiabilitiesStudentLoanPremiumsandDiscountsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312015-12-312014-12-312013-12-31
Value113.3981.9711.0510.03.05-0.087
Percentage of DeferredTaxLiabilitiesStudentLoanPremiumsandDiscountsNet100.0100.0100.0100.00.0100.0100.0

slm:DelinquenciesAsPercentageOfLoansInRepayment

slm:DelinquenciesAsPercentageOfLoansInRepayment


Delinquencies
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2.12.12.83.00.0220.0320.0282.6
Percentage of DelinquenciesAsPercentageOfLoansInRepayment100.0100.0100.0100.0100.0100.0100.0100.0

slm:DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedFiveYearsBeforeCurrentFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedFiveYearsBeforeCurrentFiscalYear


Delinquencies
Period End2020-09-302020-06-302019-12-31
Value4.90.0430.05
Percentage of DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedFiveYearsBeforeCurrentFiscalYear100.0100.0100.0

slm:DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedFourYearsBeforeCurrentFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedFourYearsBeforeCurrentFiscalYear


Delinquencies
Period End2020-09-302020-06-302019-12-31
Value4.10.0360.04
Percentage of DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedFourYearsBeforeCurrentFiscalYear100.0100.0100.0

slm:DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedInCurrentFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedInCurrentFiscalYear


Delinquencies
Period End2020-09-302020-06-302019-12-31
Value0.30.0040.006
Percentage of DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedInCurrentFiscalYear100.0100.0100.0

slm:DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedInFiscalYearBeforeLatestFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedInFiscalYearBeforeLatestFiscalYear


Delinquencies
Period End2020-09-302020-06-302019-12-31
Value1.20.0060.012
Percentage of DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedInFiscalYearBeforeLatestFiscalYear100.0100.0100.0

slm:DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedThreeYearsBeforeCurrentFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedThreeYearsBeforeCurrentFiscalYear


Delinquencies
Period End2020-09-302020-06-302019-12-31
Value3.50.030.032
Percentage of DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedThreeYearsBeforeCurrentFiscalYear100.0100.0100.0

slm:DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedTwoYearsBeforeCurrentFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedTwoYearsBeforeCurrentFiscalYear


Delinquencies
Period End2020-09-302020-06-302019-12-31
Value2.60.0190.024
Percentage of DelinquenciesAsPercentageOfLoansInRepaymentAndDelinquentForbearanceLoansOriginatedTwoYearsBeforeCurrentFiscalYear100.0100.0100.0

slm:DelinquenciesAsPercentageOfLoansInRepaymentOriginatedFiveYearsBeforeCurrentFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentOriginatedFiveYearsBeforeCurrentFiscalYear


Delinquencies
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value3.43.54.84.90.0360.050.053.1
Percentage of DelinquenciesAsPercentageOfLoansInRepaymentOriginatedFiveYearsBeforeCurrentFiscalYear100.0100.0100.0100.0100.0100.0100.0100.0

slm:DelinquenciesAsPercentageOfLoansInRepaymentOriginatedFourYearsBeforeCurrentFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentOriginatedFourYearsBeforeCurrentFiscalYear


Delinquencies
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2.72.73.84.00.0290.040.042.3
Percentage of DelinquenciesAsPercentageOfLoansInRepaymentOriginatedFourYearsBeforeCurrentFiscalYear100.0100.0100.0100.0100.0100.0100.0100.0

slm:DelinquenciesAsPercentageOfLoansInRepaymentOriginatedInCurrentFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentOriginatedInCurrentFiscalYear


Delinquencies
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.30.10.50.30.0040.0030.006
Percentage of DelinquenciesAsPercentageOfLoansInRepaymentOriginatedInCurrentFiscalYear100.0100.0100.0100.0100.0100.0100.0

slm:DelinquenciesAsPercentageOfLoansInRepaymentOriginatedInFiscalYearBeforeLatestFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentOriginatedInFiscalYearBeforeLatestFiscalYear


Delinquencies
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.50.31.21.20.0060.0070.012
Percentage of DelinquenciesAsPercentageOfLoansInRepaymentOriginatedInFiscalYearBeforeLatestFiscalYear100.0100.0100.0100.0100.0100.0100.0

slm:DelinquenciesAsPercentageOfLoansInRepaymentOriginatedThreeYearsBeforeCurrentFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentOriginatedThreeYearsBeforeCurrentFiscalYear


Delinquencies
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2.11.93.23.50.0250.0340.0321.2
Percentage of DelinquenciesAsPercentageOfLoansInRepaymentOriginatedThreeYearsBeforeCurrentFiscalYear100.0100.0100.0100.0100.0100.0100.0100.0

slm:DelinquenciesAsPercentageOfLoansInRepaymentOriginatedTwoYearsBeforeCurrentFiscalYear

slm:DelinquenciesAsPercentageOfLoansInRepaymentOriginatedTwoYearsBeforeCurrentFiscalYear


Delinquencies
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1.31.02.42.60.0160.0210.0240.6
Percentage of DelinquenciesAsPercentageOfLoansInRepaymentOriginatedTwoYearsBeforeCurrentFiscalYear100.0100.0100.0100.0100.0100.0100.0100.0

slm:DelinquentForbearanceLoansAsPercentageOfLoansInRepayment

slm:DelinquentForbearanceLoansAsPercentageOfLoansInRepayment


Delinquent
Period End2020-09-302020-06-302019-12-31
Value3.00.0270.028
Percentage of DelinquentForbearanceLoansAsPercentageOfLoansInRepayment100.0100.0100.0

slm:DepositsFairValueDisclosureDifferenceBetweenCarryingValueandFairValue us-gaap:FairValueByLiabilityClass

slm:DepositsFairValueDisclosureDifferenceBetweenCarryingValueandFairValue

slm:MoneyMarketandSavingsAccounts


Deposits
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value-53.097-54.706-68.927-74.432-77.557-46.898-28.528-27.806-19.91619
Percentage of DepositsFairValueDisclosureDifferenceBetweenCarryingValueandFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CertificatesOfDeposit


Deposits
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value-124.699-154.346-201.957-225.965-239.393-72.71-117.264-97.386-87.321-26.8783820363871016103339-24.913-19.4083.003
Percentage of DepositsFairValueDisclosureDifferenceBetweenCarryingValueandFairValue234.9282.1293.0303.6308.7155.0411.0350.2438.40.0202.50.00.00.00.00.00.00.00.00.00.00.0

slm:DepositsFairValueDisclosureDifferenceBetweenCarryingValueandFairValue us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementBasis

slm:MoneyMarketandSavingsAccounts, us-gaap:CarryingReportedAmountFairValueDisclosure


Deposits
Period End2020-12-312019-12-312019-03-312018-12-312018-09-302018-06-30
Value-68.927-28.528-1.456190.00.0
Percentage of DepositsFairValueDisclosureDifferenceBetweenCarryingValueandFairValue100.0100.00.0100.00.00.0

slm:DerivativeAssetLiability us-gaap:DerivativeInstrumentRisk

slm:DerivativeAssetLiability

us-gaap:InterestRateSwap


Derivative
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value0.442-0.4490.058-0.295-1.772-8.0-10.926-7.681-18.129-9.1684.224-0.243-15.183-2.109-23.45
Percentage of DerivativeAssetLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:DerivativeAssetLiability us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:InterestRateSwap, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value-0.2870.715-2.032-1.053-2.584-6.611-8.15-7.147-14.463-52.197-60.892-51.955-27.512-40.855-21.435
Percentage of DerivativeAssetLiability-64.9-159.2-3503.4356.9145.882.674.693.079.8569.3-1441.621380.7181.21937.291.4

us-gaap:InterestRateSwap, us-gaap:FairValueHedging, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value0.594-0.8962.00.7940.63-1.168-2.648-0.416-2.594263501236-0.871
Percentage of DerivativeAssetLiability134.4199.63448.3-269.2-35.614.624.25.414.3-466.91500.3-20832.1-84.9-1750.53.7

slm:DerivativeAssetLiability us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:InterestRateSwap, us-gaap:Nondesignated


Derivative
Period End2020-12-312019-12-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value0.135-0.2680.09-0.0360.182-0.221-0.128-0.118-1.0760.221.7451.09-0.5631.827-1.144
Percentage of DerivativeAssetLiability30.559.7155.212.2-10.32.81.21.55.9-2.441.3-448.63.7-86.64.9

slm:DuefromSubsidiaresNet us-gaap:ConsolidatedEntities

slm:DuefromSubsidiaresNet

srt:ParentCompany


Duefrom
Period End2020-12-312019-12-312018-12-312017-12-31
Value47424837
Percentage of DuefromSubsidiaresNet100.0100.0100.0100.0

slm:ExcessOfNetAssetFairValueOverCarryingValue

slm:ExcessOfNetAssetFairValueOverCarryingValue


Excess
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-09-302014-06-302013-12-312010-12-312009-12-31
Value29072972370229912623177020392502223223862215223820961722207019301750234813511313100672760958549528263424
Percentage of ExcessOfNetAssetFairValueOverCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:FinancialLiabilitiesFairValueDisclosureDifferenceBetweenCarryingValueandFairValue

slm:FinancialLiabilitiesFairValueDisclosureDifferenceBetweenCarryingValueandFairValue


Financial
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value-356.492-408.148479-489.482-424.01115226-248.555-168.713-57.756-63.3044955375344237-466.68131-56.209-34.46514
Percentage of FinancialLiabilitiesFairValueDisclosureDifferenceBetweenCarryingValueandFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

slm:FinancingReceivableAccruedInterestOriginationInterestOriginatedFiveOrMoreYearsBeforeLatestFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAccruedInterestOriginationInterestOriginatedFiveOrMoreYearsBeforeLatestFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value311335210267281288174
Percentage of FinancingReceivableAccruedInterestOriginationInterestOriginatedFiveOrMoreYearsBeforeLatestFiscalYear100.0100.0100.0100.0100.0100.0100.0

slm:FinancingReceivableAccruedInterestOriginationInterestOriginatedSixOrMoreYearsBeforeLatestFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAccruedInterestOriginationInterestOriginatedSixOrMoreYearsBeforeLatestFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2020-12-31
Value210
Percentage of FinancingReceivableAccruedInterestOriginationInterestOriginatedSixOrMoreYearsBeforeLatestFiscalYear100.0

slm:FinancingReceivableAccruedInterestOriginationVintageBeforeAllowanceForCreditLoss us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAccruedInterestOriginationVintageBeforeAllowanceForCreditLoss

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1305124811681454136612581366
Percentage of FinancingReceivableAccruedInterestOriginationVintageBeforeAllowanceForCreditLoss100.0100.0100.0100.0100.0100.0100.0

slm:FinancingReceivableAccruedInterestOriginationVintageOriginatedFourYearsBeforeLatestFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAccruedInterestOriginationVintageOriginatedFourYearsBeforeLatestFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value197206141209215217165
Percentage of FinancingReceivableAccruedInterestOriginationVintageOriginatedFourYearsBeforeLatestFiscalYear100.0100.0100.0100.0100.0100.0100.0

slm:FinancingReceivableAccruedInterestOriginationVintageOriginatedInCurrentFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAccruedInterestOriginationVintageOriginatedInCurrentFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value238.3179054249.927116
Percentage of FinancingReceivableAccruedInterestOriginationVintageOriginatedInCurrentFiscalYear100.0100.0100.0100.0100.0100.0100.0

slm:FinancingReceivableAccruedInterestOriginationVintageOriginatedInFiscalYearBeforeLatestFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAccruedInterestOriginationVintageOriginatedInFiscalYearBeforeLatestFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value200147265308248181321
Percentage of FinancingReceivableAccruedInterestOriginationVintageOriginatedInFiscalYearBeforeLatestFiscalYear100.0100.0100.0100.0100.0100.0100.0

slm:FinancingReceivableAccruedInterestOriginationVintageOriginatedThreeYearsBeforeLatestFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAccruedInterestOriginationVintageOriginatedThreeYearsBeforeLatestFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value258258209289287279261
Percentage of FinancingReceivableAccruedInterestOriginationVintageOriginatedThreeYearsBeforeLatestFiscalYear100.0100.0100.0100.0100.0100.0100.0

slm:FinancingReceivableAccruedInterestOriginationVintageOriginatedTwoYearsBeforeLatestFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAccruedInterestOriginationVintageOriginatedTwoYearsBeforeLatestFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value312291252325307281327
Percentage of FinancingReceivableAccruedInterestOriginationVintageOriginatedTwoYearsBeforeLatestFiscalYear100.0100.0100.0100.0100.0100.0100.0

slm:FinancingReceivableAfterAllowanceForCreditLossOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAfterAllowanceForCreditLossOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value57296039430349125134541938462295
Percentage of FinancingReceivableAfterAllowanceForCreditLossOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear100.0100.0100.0100.0100.0100.0100.0100.0

slm:FinancingReceivableAfterAllowanceForCreditLossOriginatedFourYearsBeforeCurrentFiscalYear us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

slm:FinancingReceivableAfterAllowanceForCreditLossOriginatedFourYearsBeforeCurrentFiscalYear

us-gaap:ConsumerPortfolioSegment, us-gaap:StudentLoan


Financing