DFS


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

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted
dei:LegalEntity
us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets
us-gaap:ConsolidatedEntities
dei:LegalEntity
us-gaap:CapitalToRiskWeightedAssets
us-gaap:ConsolidatedEntities

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:GainLossOnInvestments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

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

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:InterestExpenseLongTermDebt

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

us-gaap:MarketingAndAdvertisingExpense

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementBusinessSegments

us-gaap:Assets
dfs:SecuritizationActivities, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities

us-gaap:Liabilities
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents
dei:LegalEntity
us-gaap:TierOneRiskBasedCapital
us-gaap:ConsolidatedEntities

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:ConsolidatedEntities

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:DeferredTaxAssetsLiabilitiesNet
us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments
us-gaap:EquitySecuritiesFvNi
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:OtherAssets
dfs:SecuritizationActivities, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities

us-gaap:TimeDepositMaturitiesYearOne

us-gaap:LongTermDebtAndCapitalLeaseObligations
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
dei:LegalEntity, us-gaap:LongtermDebtType
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValue

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsForRepurchaseOfCommonStock
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateStatedPercentage
dei:LegalEntity, us-gaap:Range, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:ConsolidatedEntities, us-gaap:Range, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:GuaranteeObligationsByNature
dfs:AggregateTransactionVolume

dfs:Amortizationofdeferredrevenuesandaccretionofaccretableyieldonacquiredloans

dfs:ChangeinEffectiveIncomeTaxRate

dfs:ChangeinIncomeTaxExpenseBenefitAmount

dfs:CumulativeEffectofASUNo.201613Adoption
us-gaap:StatementEquityComponents

dfs:CustomerRewardsandIssuerInterchange

dfs:DiscountAndInterchangeRevenue
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:ConsolidationItems, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementBusinessSegments
us-gaap:FinancingReceivablePortfolioSegment
dfs:EstimatedGrossInterestIncomeBasedOnOriginalTerms

dfs:FeesAccruedSubsequentlyChargedOffNetOfRecoveries
us-gaap:FinancingReceivablePortfolioSegment
dfs:FinancingReceivablesModificationsEnteringProgramConvertedfromRevolvingLineofCreditArrangementtoTermLoan
us-gaap:FinancingReceivablePortfolioSegment
dfs:FinancingReceivablesModificationsEnteringProgramRecordedInvestment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

dfs:InterestAndFeesAccruedSubsequentlyChargedOffNetOfRecoveries
us-gaap:FinancingReceivablePortfolioSegment
dfs:InterestAndFeesForgivenDueToLoanModificationProgram
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

dfs:Loanfeeincome
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

dfs:NetIncomeLossAllocatedToCommonStockholders

dfs:NetIncomeLossAvailableToCommonStockholdersInclParticipatingSecurities

dfs:NoninterestIncomenotSubjecttoASC606
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

dfs:PercentageOfDefaultedLoansThatChargedOff

dfs:Protectionproductsrevenue
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:ConsolidationItems, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementBusinessSegments
us-gaap:IncomeStatementLocation
dfs:TotalAmountsofLineItemsPresentedintheStatementsofIncome
us-gaap:IncomeStatementLocation, us-gaap:UnderlyingAssetClass

dfs:TransactionProcessingRevenue
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:ConsolidationItems, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementBusinessSegments
us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetImpairmentCharges

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
us-gaap:IncomeStatementLocation
us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation, us-gaap:UnderlyingAssetClass
us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation, us-gaap:UnderlyingAssetClass
us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1

us-gaap:CommunicationsAndInformationTechnology

us-gaap:DividendsCommonStock
us-gaap:StatementEquityComponents

us-gaap:DividendsPreferredStock
us-gaap:StatementClassOfStock
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

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

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease

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

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:GainLossOnDispositionOfAssets1
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation, us-gaap:UnderlyingAssetClass
us-gaap:GainLossOnFairValueHedgesRecognizedInEarnings
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill

us-gaap:IncreaseDecreaseInDeposits

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestAndDividendIncomeSecurities

us-gaap:InterestAndFeeIncomeLoansConsumerInstallmentCreditCard

us-gaap:InterestAndFeeIncomeLoansOtherConsumer

us-gaap:InterestExpenseDeposits

us-gaap:InterestExpenseDomesticDepositLiabilitiesWithdrawalPenalties

us-gaap:InterestExpenseShortTermBorrowings

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:LaborAndRelatedExpense
us-gaap:LitigationCase, us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyDamagesAwardedValue

us-gaap:NoninterestExpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:NoninterestIncome
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

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

us-gaap:OccupancyNet

us-gaap:OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation, us-gaap:UnderlyingAssetClass

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherDepreciationAndAmortization

us-gaap:OtherInterestAndDividendIncome

us-gaap:OtherNoninterestExpense

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic

us-gaap:PaymentsForProceedsFromLoansReceivable

us-gaap:PaymentsOfOrdinaryDividends

us-gaap:PaymentsToAcquireHeldToMaturitySecurities

us-gaap:PaymentsToAcquireOtherInvestments

us-gaap:PaymentsToAcquireShortTermInvestments

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleAndMaturityOfOtherInvestments

us-gaap:ProfessionalFees

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

us-gaap:ProvisionForLoanLossesExpensed
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities

us-gaap:RepaymentsOfSecuredDebt

us-gaap:RepaymentsOfUnsecuredDebt
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesEmployeeBenefitPlan
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesNewIssues
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueEmployeeBenefitPlan
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

dei:EntityPublicFloat

dfs:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsThroughTenYearsPercentage
us-gaap:FinancialInstrument

dfs:AvailableForSaleSecuritiesDebtMaturitiesAfterOneYearThroughFiveYearsPercentage
us-gaap:FinancialInstrument

dfs:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsPercentage
us-gaap:FinancialInstrument

dfs:AvailableForSaleSecuritiesDebtMaturitiesPercentage
us-gaap:FinancialInstrument

dfs:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearPercentage
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
dfs:AvailableForSaleSecuritiesWeightedAverageCouponRate
us-gaap:FinancialInstrument
dfs:AvailableForSaleSecurityParValue
us-gaap:PlanName
dfs:CalculationOfAnnualAwards

dfs:CreditCardRewardsLiabilityNet
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
dfs:CreditRiskProfilePercentage
us-gaap:UnderlyingAssetClass
dfs:CumulativeAmountofFairValueHedgingAdjustmentincludedinCarryingValueofHedgedItem

dfs:DeferredTaxLiabilitiesCustomerFeesAndRewards

dfs:DeferredTaxLiabilitiesDebtExchangePremium

dfs:DeferredTaxLiabilitiesDeferredLoanAcquisitionCosts

dfs:DerivativeCollateralRighttoReclaimCashandSecurities
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
dfs:FICODistributionOriginatedFiveorMoreYearsBeforeLatestFiscalYear
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
dfs:FICODistributionOriginatedFourYearsBeforeLatestFiscalYear
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
dfs:FICODistributionOriginatedThreeYearsBeforeLatestFiscalYear
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
dfs:FICODistributionOriginatedTwoYearsBeforeLatestFiscalYear
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
dfs:FICODistributionOriginatedinCurrentFiscalYear
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
dfs:FICODistributionOriginatedinFiscalYearBeforeLatestFiscalYear
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment
dfs:FICODistributionRevolving

dfs:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsPercentage
us-gaap:FinancialInstrument

dfs:HeldToMaturitySecuritiesDebtMaturitiesPercentage
us-gaap:FinancialInstrument

dfs:IntangibleAssetsGrossCarryingAmount
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
dfs:InterestPayableFairValueDisclosure
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
dfs:InterestReceivableFairValueDisclosure
us-gaap:FairValueByMeasurementBasis
us-gaap:ConsolidatedEntities
dfs:InvestmentsInBankSubsidiaries
us-gaap:ConsolidatedEntities
dfs:InvestmentsInNonBankSubsidiaries
dfs:SecuritizationActivities, us-gaap:ConsolidatedEntities, us-gaap:FinancingReceivablePortfolioSegment
dfs:InvestorsInterests
dfs:SecuritizationActivities, us-gaap:ConsolidatedEntities
dfs:InvestorsInterestsHeldByThirdPartyInvestors
dfs:SecuritizationActivities, us-gaap:ConsolidatedEntities
dfs:InvestorsInterestsHeldByWhollyOwnedSubsidiaries
us-gaap:ConsolidatedEntities, us-gaap:RelatedPartyTransactionsByRelatedParty
dfs:LiquidityAvailabletoParentfromMoneyMarketDepositAccountatSubsidiary
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
dfs:OtherShorttermInvestmentsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
dfs:RestrictedCashFairValueDisclosure
us-gaap:FairValueByMeasurementBasis

dfs:RevolvingLineofCreditArrangementConvertedtoTermLoanthroughLoanModificationProgramEndingBalance
dfs:SecuritizationActivities, us-gaap:ConsolidatedEntities
dfs:SellersInterest
dfs:SecuritizationActivities, us-gaap:ConsolidatedEntities, us-gaap:FinancingReceivablePortfolioSegment

dfs:SettlementWithholdingsAndEscrowDeposits
us-gaap:AwardType
dfs:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValue
us-gaap:AwardType
dfs:SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueVestedandExercisable

dfs:StudentLoansInForbearance
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

dfs:StudentLoansinRepayment
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
dfs:TimeDepositsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis
us-gaap:PlanName
dfs:TotalNumberOfUnitsAvailableForGrantCalculation

dfs:UnamortrizedDeferredIncentivePayments

us-gaap:AccruedLiabilitiesCurrentAndNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:AdditionalCollateralAggregateFairValue
us-gaap:ConsolidatedEntities

us-gaap:AmortizationMethodQualifiedAffordableHousingProjectInvestments
us-gaap:BalanceSheetLocation, us-gaap:InvestmentType
us-gaap:InvestmentType

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
dei:LegalEntity
us-gaap:Capital
us-gaap:ConsolidatedEntities
dei:LegalEntity
us-gaap:CapitalRequiredForCapitalAdequacy
us-gaap:ConsolidatedEntities
dei:LegalEntity
us-gaap:CapitalRequiredToBeWellCapitalized
us-gaap:ConsolidatedEntities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis

us-gaap:CashAndDueFromBanks

us-gaap:CollateralizedFinancings
dei:LegalEntity
us-gaap:CommonEquityTierOneCapital
us-gaap:ConsolidatedEntities
dei:LegalEntity
us-gaap:CommonEquityTierOneCapitalRatio
us-gaap:ConsolidatedEntities
dei:LegalEntity
us-gaap:CommonEquityTierOneCapitalRequiredForCapitalAdequacy
us-gaap:ConsolidatedEntities
dei:LegalEntity
us-gaap:CommonEquityTierOneCapitalRequiredToBeWellCapitalized
us-gaap:ConsolidatedEntities

us-gaap:ContractualMaturitiesTimeDeposits100000OrMoreAfter12Months

us-gaap:ContractualMaturitiesTimeDeposits100000OrMoreSixMonthsThrough12Months

us-gaap:ContractualMaturitiesTimeDeposits100000OrMoreThreeMonthsOrLess

us-gaap:ContractualMaturitiesTimeDeposits100000OrMoreThreeMonthsThroughSixMonths
us-gaap:FinancialInstrument
us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

us-gaap:DeferredCostsCreditCardOriginationCostsAmount

us-gaap:DeferredDiscountsFinanceChargesAndInterestIncludedInReceivables

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOtherComprehensiveIncome

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
dfs:DefinedBenefitPlanFairValueOfPlanAssetsAssetLiabilityClassification, us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations
us-gaap:RetirementPlanType

us-gaap:Deposits

us-gaap:DepositsSavingsDeposits
us-gaap:UnderlyingAssetClass
us-gaap:DerivativeAmountOfHedgedItem
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeAssets
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:FairValueByMeasurementFrequency
dfs:Dfs_FinancialInstrumentAxis, us-gaap:FinancialInstrument
us-gaap:DerivativeCollateralRightToReclaimSecurities
us-gaap:FinancialInstrument

us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral

us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeLiabilities
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeNotionalAmount
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation
us-gaap:ConsolidatedEntities
us-gaap:DueFromAffiliateCurrent
us-gaap:ConsolidatedEntities
us-gaap:DueToRelatedPartiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:BalanceSheetLocation, us-gaap:InvestmentType
us-gaap:EquityMethodInvestments
us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments
us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
us-gaap:StatementBusinessSegments
us-gaap:FinancialInstrument
us-gaap:FairValueDisclosureOffbalanceSheetRisksAmountLiability

us-gaap:FinancingReceivableAllowanceForCreditLosses
dfs:SecuritizationActivities, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue

us-gaap:FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableRecordedInvestmentPastDue
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:FinancingReceivablesPeriodPastDue
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableRevolving
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivablesPeriodPastDue

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:GuaranteeObligationsMaximumExposure

us-gaap:HeldToMaturitySecurities
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:InterestBearingDepositLiabilities

us-gaap:InterestBearingDepositsInBanks
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:InterestReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
dei:LegalEntity, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType
dfs:SecuritizationActivities, us-gaap:ConsolidatedEntities, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:LoansPledgedAsCollateral
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:LoansReceivableFairValueDisclosure
us-gaap:FairValueByMeasurementBasis
us-gaap:ConsolidatedEntities, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:LongTermDebtFairValue
us-gaap:ConsolidatedEntities, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtWeightedAverageInterestRate
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:BalanceSheetLocation, us-gaap:InvestmentType
us-gaap:LossContingencyAccrualAtCarryingValue
us-gaap:LitigationCase, us-gaap:Range, us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyEstimateOfPossibleLoss
us-gaap:Range, us-gaap:LitigationStatus
us-gaap:Range, us-gaap:LitigationStatus
us-gaap:LossContingencyRangeOfPossibleLossPortionNotAccrued

us-gaap:MarketableSecurities
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:PledgedStatus

us-gaap:NoninterestBearingDepositLiabilities
us-gaap:ConsolidatedEntities

us-gaap:NotesReceivableGross
dfs:SecuritizationActivities, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:FinancingReceivablesPeriodPastDue

us-gaap:NotesReceivableNet
dfs:SecuritizationActivities, us-gaap:ConsolidatedEntities

us-gaap:OtherShortTermInvestments
us-gaap:FinancialInstrument, us-gaap:PledgedStatus
us-gaap:StatementEquityComponents
us-gaap:PreferredStockSharesOutstanding

us-gaap:PreferredStockValue

us-gaap:QualifiedAffordableHousingProjectInvestmentsCommitment
us-gaap:BalanceSheetLocation, us-gaap:InvestmentType
us-gaap:InvestmentType

us-gaap:RestrictedCashAndCashEquivalents
dfs:SecuritizationActivities, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:FinancialInstrument
us-gaap:SecuritiesHeldAsCollateralAtFairValue

us-gaap:SecuritiesLoaned

us-gaap:SecuritiesReceivedAsCollateral
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:ShorttermDebtFairValue
us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit
us-gaap:StatementEquityComponents, us-gaap:SubsequentEventType
us-gaap:StockRepurchaseProgramAuthorizedAmount1
dei:LegalEntity
us-gaap:TierOneLeverageCapital
us-gaap:ConsolidatedEntities
dei:LegalEntity
us-gaap:TierOneLeverageCapitalRequiredForCapitalAdequacy
us-gaap:ConsolidatedEntities
dei:LegalEntity
us-gaap:TierOneLeverageCapitalRequiredToBeWellCapitalized
us-gaap:ConsolidatedEntities
dei:LegalEntity
us-gaap:TierOneLeverageCapitalToAverageAssets
us-gaap:ConsolidatedEntities
dei:LegalEntity
us-gaap:TierOneRiskBasedCapitalRequiredForCapitalAdequacy
us-gaap:ConsolidatedEntities
dei:LegalEntity
us-gaap:TierOneRiskBasedCapitalRequiredToBeWellCapitalized
us-gaap:ConsolidatedEntities

us-gaap:TimeDepositMaturitiesAfterYearFive

us-gaap:TimeDepositMaturitiesRemainderOfFiscalYear

us-gaap:TimeDepositMaturitiesYearFive

us-gaap:TimeDepositMaturitiesYearFour

us-gaap:TimeDepositMaturitiesYearThree

us-gaap:TimeDepositMaturitiesYearTwo

us-gaap:TimeDeposits

us-gaap:TimeDeposits100000OrMore

us-gaap:TimeDepositsAtOrAboveFDICInsuranceLimit

us-gaap:TimeDepositsLessThan100000

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Interest Expense
Balance Sheet
Intangible Assets Net Excluding Goodwill
Assets
Property Plant And Equipment Net
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Intangible Assets Net Excluding Goodwill
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Liabilities
Noncurrent Liabilities
Long Term Debt And Capital Lease Obligations
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Diluted Shares Outstanding
DividendsAndRepurchase
Dividends Common Stock
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net
BanksAndOrInsurance
Interest And Dividend Income Operating
AssetsBanks
Property Plant And Equipment Net
LiabilitiesBanks
Deposits

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
us-gaap:CommonStockValue ██████████████████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁▁6.06.06.06.06.06.06.06.06.06.06.06.06.06.06.06.06.06.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.06.05.05.0NA5.526NA5.523NA5.5155.4975.4955.4845.485.471NANANA5.448NANANA
 us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock██████▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▄▄▄▄▃▃▃▃▃▃▃▂▂▂▁▁▁▁568.693568.58567.898567.744567.653567.53566.654566.604566.019565.973564.852564.614564.558564.51563.498563.476563.442563.402562.414562.391562.355562.21560.679560.637560.611560.542558.194558.161558.096558.035555.35555.277554.994554.856553.351553.049552.588552.573552.383552.288552.042551.538549.749549.476548.374547.986547.128546.991NANA544.799NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█304.0307.0NA306.0306.0308.0NA317.0323.0328.0NA342.0348.0355.0NA371.0379.0386.0NA402.0411.0417.0NA434.0442.0448.0NA461.0467.0472.0NA484.0490.0497.0499.0NA511.0513.962524.0529.269531.0530.657NA545.181546.160.545541NA547.082552.060.543422NANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁█304.0307.0NA306.0306.0308.0NA317.0322.0328.0NA341.0348.0355.0NA371.0379.0386.0NA402.0410.0417.0NA433.0441.0448.0NA460.0466.0471.0NA482.0489.0496.0498.0NA510.0512.793523.0528.094530.0529.565NA544.438545.5040.545052NA544.314543.8750.543422NANANANA
us-gaap:EarningsPerShareBasic █▇▅▅▁▂▅▅▅▄▄▄▄▄▃▄▄▄▄▄▄▄▃▄▄▄▃▄▄▄▄▃▃▄▃▃▄▃▃▃▄▃▃▃▃▃▃▃▃▂▃▃▃▃5.565.042.592.45-1.2-0.252.252.362.322.152.042.051.911.820.991.591.411.431.41.561.471.351.151.381.331.280.871.371.351.311.241.21.21.330.341.081.241.210.991.011.221.180.951.181.090.840.640.470.34-0.220.611.080.430.25
us-gaap:EarningsPerShareDiluted █▇▅▅▁▂▅▅▅▄▄▄▄▄▃▄▄▄▄▄▄▄▃▄▄▄▃▄▄▄▄▃▃▄▃▃▄▃▃▃▃▃▃▃▃▃▃▃▃▂▃▃▃▃5.555.042.592.45-1.2-0.252.252.362.322.152.032.051.911.820.991.591.41.431.41.561.471.351.141.381.331.280.871.371.351.311.231.21.21.330.341.071.241.210.991.01.211.180.951.181.090.840.640.470.33-0.220.61.070.430.25
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets dei:LegalEntity dfs:DiscoverBankNANANA1.2800000000000001e-051.22e-071.17e-071.1500000000000001e-071.19e-071.2e-071.2099999999999998e-071.18e-07NANANA1.23e-071.3e-071.33e-071.36e-071.3200000000000002e-071.36e-071.3800000000000002e-071.3700000000000002e-071.33e-071.3700000000000002e-071.3700000000000002e-071.3800000000000002e-071.31e-071.3700000000000002e-071.3700000000000002e-071.3800000000000002e-071.3200000000000002e-071.35e-071.35e-071.35e-071.25e-071.24e-07NA1.2e-07NA1.19e-07NA1.2099999999999998e-071.1500000000000001e-071.2099999999999998e-071.22e-071.2099999999999998e-071.22e-07NANANA1.26e-07NANANA
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities dfs:DiscoverBank██▁1.56e-051.55e-051.38e-05NANANA1.15e-05NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities srt:ParentCompany██▇▆▁▁▁▁▁▁▁1.6899999999999997e-051.6100000000000002e-051.43e-051.3300000000000001e-051.29e-071.19e-071.18e-071.2e-071.2e-071.2099999999999998e-071.17e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CapitalToRiskWeightedAssets dei:LegalEntity dfs:DiscoverBankNANANA1.5199999999999998e-051.45e-071.4e-071.3800000000000002e-071.4199999999999997e-071.44e-071.4599999999999998e-071.4199999999999997e-07NANANA1.44e-071.5199999999999998e-071.55e-071.6e-071.55e-071.61e-071.6300000000000002e-071.64e-071.59e-071.64e-071.64e-071.67e-071.53e-071.59e-071.6e-071.61e-071.55e-071.59e-071.59e-071.58e-071.49e-071.4699999999999998e-07NA1.5199999999999998e-07NA1.5199999999999998e-07NA1.54e-071.48e-071.56e-071.57e-071.57e-071.59e-07NANANA1.58e-07NANANA
 us-gaap:CapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities dfs:DiscoverBank██▁1.7800000000000002e-051.7800000000000002e-051.6100000000000002e-05NANANA1.38e-05NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities srt:ParentCompany██▇▇▁▁▁1.88e-051.8e-051.6100000000000002e-051.5199999999999998e-051.4699999999999998e-071.3700000000000002e-071.35e-07NANANA1.35e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
us-gaap:ComprehensiveIncomeNetOfTax ██▅▅▁▃▅▅▅▅▅▅▅▅▄▄▄▄▄▅▄▄▄▄▄▄▃▅▄▄▄▄▄▅▃▄▅▄▄▄▄▄▄▅▄▄▃▃▃▂1666.01541.0751.0742.0-380.0192.0663.0779.0806.0746.0691.0722.0675.0679.0383.0604.0551.0570.0567.0648.0614.0563.0520.0592.0600.0563.0336.0646.0642.0629.0643.0591.0579.0661.0173.0507.364651.0636.376540.0544.179641.0634.081480.879695.197640.34441.161349.391252.26258.165-101.319NANANANA
us-gaap:GainLossOnInvestments NANA1.00.043.036.0NANA0.00.0NANANANA0.03.0NANA0.00.00.00.01.00.00.08.00.00.00.04.02.00.00.03.02.026.026.00.00.00.0280.00.00.0-3.614-0.1490.1410.018.9510.00.185.413-7.422-1.012-0.805
 us-gaap:GainLossOnInvestments us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,dfs:PaymentServicesNANANA0.043.036.0NANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ██▅▅▁▂▅▅▅▅▅▅▄▄▅▅▄▄▅▅▅▅▄▅▅▅▄▅▅▅▅▅▅▅▃▄▅▅▄▄▅▅▄▅▅▄▄▃▃▂▄▅▃▃2222.02079.01015.0959.0-461.0-78.0924.0994.0987.0930.0897.0967.0877.0856.0899.0903.0867.0868.0883.0961.0898.0914.0788.0974.0942.0908.0648.01009.01015.01022.0937.0946.0981.01080.0274.0860.01028.01011.714846.0867.1671047.01014.246817.7011047.081926.459720.003585.231432.143422.193-170.708570.256939.939414.61196.093
us-gaap:IncomeTaxExpenseBenefit ██▅▄▁▂▅▅▅▄▄▅▄▄█▅▆▆▆▆▅▆▅▆▆▆▅▆▆▆▆▆▆▇▃▆▆▆▆▆▇▆▆▇▆▅▅▄▄▁▅▆▄▃524.0486.0216.0188.0-93.0-17.0216.0224.0234.0204.0210.0247.0208.0190.0512.0301.0321.0304.0320.0322.0282.0339.0288.0362.0343.0322.0244.0365.0371.0391.0335.0353.0379.0407.0104.0309.0391.0385.028321.0330.576397.0383.24305.122398.263326.04255.111235.589171.526164.126-67.17217.719362.485188.8175.699
us-gaap:InterestExpense ▃▄▅▅▆▇████▇▇▆▆▅▅▅▅▄▄▄▄▄▄▄▄▄▃▃▃▃▃▄▄▁▄▄▄▄▄▄▄▄▄▅▅▅▅▅▅▄▄▄▄290.0316.0383.0416.0482.0584.0615.0638.0645.0632.0605.0558.0507.0469.0436.0426.0400.0386.0366.0359.0339.0334.0329.0323.0311.0300.0302.0288.0274.0270.0273.0278.0297.0298.0103.0312.0321.0325.31332.0340.539349.0353.26359.792362.053379.979382.728375.506389.137404.621413.724314.158304.401320.005312.72
us-gaap:InterestExpenseLongTermDebt ▄▄▄▄▄▇▇▇███▇▇▇▆▇▆▆▆▆▆▆▅▅▅▅▅▄▄▄▄▃▃▃▁▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃120.0123.0123.0126.0142.0211.0222.0231.0244.0246.0245.0229.0220.0207.0198.0208.0201.0195.0185.0181.0173.0172.0170.0166.0156.0147.0144.0135.0123.0116.0114.0108.0112.0111.038.0116.528119.0119.905122.0124.081125.0124.486122.583120.301128.772125.987107.922110.0106.286108.275NANANANA
us-gaap:InterestIncomeExpenseNet ███▇▇██████▇▇▇▇▇▆▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▅▅▂▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▁▂▂▂2299.02330.02377.02265.02190.02398.02424.02402.02332.02305.02302.02223.02129.02100.02120.02050.01938.01892.01892.01825.01751.01750.01732.01685.01636.01629.01672.01638.01589.01563.01569.01509.01430.01410.0492.01394.01387.01369.6591314.01315.0791292.01293.2991260.0131237.0391193.2991170.2361123.8411146.8021147.1611145.426323.928528.816537.979503.073
us-gaap:MarketingAndAdvertisingExpense ▆▅▅▄▄████▇█▇█▆▇▇▆▅▆▇▇▅▇▅▇▆▇▆▅▆▆▆▆▆▁▆▆▅▄▄▄▄▅▄▄▄▅▄▃▂175.0154.0159.0140.0129.0231.0234.0230.0224.0195.0230.0218.0224.0185.0213.0203.0192.0168.0176.0195.0198.0162.0196.0168.0199.0182.0216.0182.0168.0169.0189.0174.0185.0169.051.0192.025174.0160.534121.0119.012128.0131.429144.242133.398124.181135.665149.911130.53297.9784.673NANANANA
us-gaap:NetIncomeLoss ██▅▅▁▂▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▅▃▄▄▄▄▄▄▄▄▄▄▄▃▃▃▂▃▄▃▃1698.01593.0799.0771.0-368.0-61.0708.0770.0753.0726.0687.0720.0669.0666.0387.0602.0546.0564.0563.0639.0616.0575.0500.0612.0599.0586.0404.0644.0644.0631.0602.0593.0602.0673.0170.0551.0637.0626.686525.0536.591650.0631.006512.579648.818600.419464.892349.642260.617258.067-103.538352.537577.454225.8120.394
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ██▅▅▁▂▅▅▅▅▅▅▅▄▃▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▅▃▄▄▄▄▄▄1688.01546.0793.0756.0-368.0-77.0708.0755.0753.0710.0687.0705.0669.0650.0363.0593.0536.0555.0554.0630.0606.0566.0491.0603.0589.0577.0395.0635.0634.0622.0593.0584.0592.0664.0170.0545.717637.0626.686525.0536.591650.0NA512.579648.818593.488459.428346.517258.194184.59-122.233330.505552.928206.366118.38
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted █▁1688.01546.0NANA-369.0-78.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA593.488NANANA184.59NANANANANA
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax ▅▅▅▅▅▄▄▃▂▃▁▅▆█▇▅1.01.01.03.04.0-3.0-1.0-8.0-18.0-12.0-21.04.07.019.012.01.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▂▁▁▂▂█▂▃▄▃▃▃▃▃▂▃▃▃▃▃▂▂▃▂▃▂▁▃▂▂▃▂▂▂▃▂-32.0-52.0-48.0-29.0-12.0253.0-45.09.053.020.04.02.06.013.0-4.02.05.06.04.09.0-2.0-12.020.0-20.01.0-23.0-68.02.0-2.0-2.041.0-2.0-23.0-12.03.0-43.353NA9.6915.0NA-9.0NA-31.56946.379NANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedGainLossNetCashFlowHedgeParent▅▅▅▅▅▄▄▃▂▃▁▅▆█▇▅1.01.01.03.04.0-3.0-1.0-8.0-18.0-12.0-21.04.07.019.012.01.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss▁▁▁▁▂█▂▃▄▃▃▂▂▂▂▂▂▂▂▂▂▃▂▂▂▂▂▂▂▂▂▂▁▂-33.0-53.0-36.0-32.0-16.0256.0-17.017.071.031.026.0-2.0-1.0-7.0-4.01.00.01.0-17.0-4.04.014.0-16.03.0-10.00.03.0-9.08.02.0-14.04.0-31.0-11.0NANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncome▂▁▁▂▂█▂▃▄▃▃▃▃▃▂▃▃▃▃▃▂▂▃▂▃▂▁▃▂▂▃▂▂▂▃▂-32.0-52.0-48.0-29.0-12.0253.0-45.09.053.020.04.02.06.013.0-4.02.05.06.04.09.0-2.0-12.020.0-20.01.0-23.0-68.02.0-2.0-2.041.0-2.0-23.0-12.03.0-43.353NANA15.0NA-9.0NA-31.569NANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AdjustmentsForNewAccountingPronouncements us-gaap:AccountingStandardsUpdate201409█▂▁▂▂▁▅▄▆▂▅▅▄▄▅▄▅▂446.0358.0336.0349.0344.0335.0400.0378.0418.0354.0397.0398.0379.0379.0398.0377.0398.0358.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:AdjustmentsForNewAccountingPronouncements,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,us-gaap:AccountingStandardsUpdate201409,dfs:DirectBanking█▁353.0272.0NA271.0269.0247.0311.0289.0334.0268.0324.0318.0303.0298.0327.0303.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:AdjustmentsForNewAccountingPronouncements,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,us-gaap:AccountingStandardsUpdate201409,dfs:PaymentServices█▆▄▃▂▆▇▇▅▆▂▄▃▄▁▂93.086.079.078.075.088.089.089.084.086.073.080.076.081.071.074.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
us-gaap:Assets ▆▇▆█▇▆▇▆▆▆▆▅▅▅▅▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁110985.0113871.0112889.0124349.0113792.0112657.0113996.0110786.0110707.0110720.0109553.0105842.0102751.0101967.0100087.097608.093757.094795.092308.090541.087511.088093.086936.085611.084911.084178.083126.080596.078937.079584.079340.075544.074944.076139.073491.075283.0NA73908.664NA72083.405NA70486.01868783.93765725.66763437.53363506.60960784.968NANANA46020.987NANANA
us-gaap:Liabilities ▆▆▆█▇▆▆▆▆▆▆▅▅▅▅▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁97814.0101717.0102005.0114097.0104149.0102992.0102137.099069.099214.099461.098423.094826.091862.091096.089195.086421.082498.083530.080985.079194.076114.076777.075661.074308.073648.072967.071992.069295.067556.068563.068531.064942.064496.065840.063618.065505.0NA64762.751NA63184.547NA61657.06660541.72657719.75155914.23356607.44454328.122NANANA37585.44NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▆▇▆█▇▆▇▆▆▆▆▅▅▅▅▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁110985.0113871.0112889.0124349.0113792.0112657.0113996.0110786.0110707.0110720.0109553.0105842.0102751.0101967.0100087.097608.093757.094795.092308.090541.087511.088093.086936.085611.084911.084178.083126.080596.078937.079584.079340.075544.074944.076139.073491.075283.0NA73908.664NA72083.405NA70486.01868783.93765725.66763437.53363506.60960784.968NANANA46020.987NANANA
us-gaap:StockholdersEquity █▇▆▅▅▅▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▃▃▂▂▁▁▁▂▃13171.012154.010884.010252.09643.09665.011859.011717.011493.011259.011130.011016.010889.010871.010892.011187.011259.011265.011323.011347.011397.011316.011275.011303.011263.011211.011134.011301.011381.011021.010809.010602.010448.010299.09873.09778.09177.09145.9138940.08898.8588703.08828.9528242.2118005.9167523.36899.1656456.8466111.2976038.2677015.0488435.547NANANA
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 us-gaap:TierOneRiskBasedCapital us-gaap:ConsolidatedEntities dfs:DiscoverBank█▆▁13721.013421.012415.0NANANA11203.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:TierOneRiskBasedCapital us-gaap:ConsolidatedEntities srt:ParentCompany█▆▅▃▂▂▂▂▂▁▁▁15149.014104.013006.012325.011665.011309.011595.011403.011188.011005.010895.010785.0NANA10677.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
us-gaap:CashAndCashEquivalentsAtCarryingValue ▆█▅▄▆▄▃▂▄▆▅▆▆▇▅▅▅▆▅▅▄▅▄▄▄▅▃▃▃▃▃▂▂▃▁▂▃▂▂▂▂▂▁▂▁▂▂▃▄▅▅15445.020348.013564.09513.015138.010028.06924.06075.010313.015169.013299.016019.015289.017011.013306.013249.012950.015163.011914.012076.010617.012135.09572.010250.010595.011814.07284.07382.06879.08731.06554.05623.05744.08067.02584.03926.07037.06237.616071.05112.0695886.06315.1522849.8433957.5253772.965171.4255098.7337916.09110335.72912728.32113020.719NANANA
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  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
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  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
us-gaap:LongTermDebtAndCapitalLeaseObligations ▂▃▄▄▅▇▇▆▆▇██▇▇▇█▇█▇█▆▆▆▅▆▅▅▃▃▃▃▂▁▂▁▃19350.021011.021241.021841.023194.026098.025701.024454.025163.026276.027228.026998.026252.026244.026326.026737.026438.026823.025443.026830.024681.024752.024724.023800.024099.022924.022544.020918.020057.020182.020474.018665.018033.019230.017666.019729.0NA19246.113NA19023.907NA18753.95818287.17817718.217938.507NA17705.728NANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
us-gaap:StockholdersEquity █▇▆▅▅▅▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▃▃▂▂▁▁▁▂▃13171.012154.010884.010252.09643.09665.011859.011717.011493.011259.011130.011016.010889.010871.010892.011187.011259.011265.011323.011347.011397.011316.011275.011303.011263.011211.011134.011301.011381.011021.010809.010602.010448.010299.09873.09778.09177.09145.9138940.08898.8588703.08828.9528242.2118005.9167523.36899.1656456.8466111.2976038.2677015.0488435.547NANANA
us-gaap:CommonStockValue ██████████████████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁▁6.06.06.06.06.06.06.06.06.06.06.06.06.06.06.06.06.06.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.06.05.05.0NA5.526NA5.523NA5.5155.4975.4955.4845.485.471NANANA5.448NANANA
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us-gaap:RetainedEarningsAccumulatedDeficit █▇▇▆▆▆▇▇▇▆▆▆▆▅▅▅▅▅▄▄▄▄▄▃▃▃▃▃▂▂▂▂▂▁▁▁22936.021373.019955.019292.018673.019175.021290.020720.020107.019484.018906.018354.017787.017211.016687.016452.015989.015568.015130.014696.014188.013698.013250.012880.012400.011936.011467.011182.010659.010138.09611.09115.08629.08136.07472.07373.0NA6877.99NA6303.466NA5820.6095243.3184763.184147.5983580.3383126.488NANANA3873.262NANANA
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  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▄▅▃▅▅▄▁▅█▁▅▅▃▅1548.01508.01633.01296.01587.01680.01464.0819.01578.02335.0761.01606.01586.01238.01624.0NANANANANANANANANANANANANANANANANANANANANANANANA492.1NA1010.672797.6556.073976.8591279.0831165.824262.9551308.7051135.102NANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄█▇▁▅▆▃▁▂▃▁▃▃▅▂-1247.06188.03696.0-5575.0996.02397.0-3055.0-6030.0-4421.0-1768.0-5814.0-3036.0-2645.0916.0-4287.0NANANANANANANANANANANANANANANANANANANANANANANANA-2852.518NA1130.316-4139.953-2246.12-1635.963-99.514-4144.037-1119.1291654.729-1114.515NANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▄▃▄▆▅▇▅▄▅█▇▅▆▆-4607.0-611.0-1829.0-799.01373.0170.02443.0-30.0-1017.0-499.03589.02120.0-120.01557.01522.0NANANANANANANANANANANANANANANANANANANANANANANANA1157.335NA1324.3212234.6711874.612-739.361-1106.877160.855-1563.464-5356.026-312.985NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
us-gaap:DeferredIncomeTaxExpenseBenefit ██▄▄▁▂▄▄▄▅207.0232.0-72.0-69.0-291.0-240.0-38.0-45.0-31.0-19.0NANANANANANANANANANANANANANANANA-87.028.025.023.0168.0-9.042.0121.0-12.0-13.00128.033.34719.038.658108.086.996-119.841145.17594.168112.51149.4578.0885.969-100.918NANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▄▅▃▅▅▄▁▅█▁▅▅▃▅1548.01508.01633.01296.01587.01680.01464.0819.01578.02335.0761.01606.01586.01238.01624.0NANANANANANANANANANANANANANANANANANANANANANANANA492.1NA1010.672797.6556.073976.8591279.0831165.824262.9551308.7051135.102NANANANA
us-gaap:NetIncomeLoss ██▅▅▁▂▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▅▃▄▄▄▄▄▄▄▄▄▄▄▃▃▃▂▃▄▃▃1698.01593.0799.0771.0-368.0-61.0708.0770.0753.0726.0687.0720.0669.0666.0387.0602.0546.0564.0563.0639.0616.0575.0500.0612.0599.0586.0404.0644.0644.0631.0602.0593.0602.0673.0170.0551.0637.0626.686525.0536.591650.0631.006512.579648.818600.419464.892349.642260.617258.067-103.538352.537577.454225.8120.394
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄█▇▁▅▆▃▁▂▃▁▃▃▅▂-1247.06188.03696.0-5575.0996.02397.0-3055.0-6030.0-4421.0-1768.0-5814.0-3036.0-2645.0916.0-4287.0NANANANANANANANANANANANANANANANANANANANANANANANA-2852.518NA1130.316-4139.953-2246.12-1635.963-99.514-4144.037-1119.1291654.729-1114.515NANANANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▅▄▅▅█▅▆▅▆▇▇▅▅▅▅▅▅▄▄▄▄▄▄▃▄▄▄▃▃▄▅▅▅▅▁▄▄▄▃▃▃▃▄▂▃▂▂▁▁▁56.041.055.053.094.059.072.061.069.082.077.059.060.058.057.058.056.047.047.046.040.046.049.031.047.041.043.029.030.043.054.060.058.059.013.039.31547.048.6932.029.62431.026.37141.50720.18534.28215.58625.13812.0779.6357.826NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▄▃▄▆▅▇▅▄▅█▇▅▆▆-4607.0-611.0-1829.0-799.01373.0170.02443.0-30.0-1017.0-499.03589.02120.0-120.01557.01522.0NANANANANANANANANANANANANANANANANANANANANANANANA1157.335NA1324.3212234.6711874.612-739.361-1106.877160.855-1563.464-5356.026-312.985NANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▇▂▁▁▁▅▆▆▆▆▆▆▇█▇▇▆▇▆█▆▆▆▆▆▆▅█▃▅▅▅▅▄▁▆▅▅▄▆▄▁▄▃▁▁▁▁▁▁553.0119.05.00.00.0343.0401.0419.0461.0487.0465.0460.0556.0584.0555.0556.0450.0520.0478.0581.0426.0423.0435.0435.0425.0420.0399.0622.0178.0365.0346.0349.0340.0261.012.0402.104377.0352.429270.0447.171270.014.296227.236202.4620.0945.0040.0962.6760.0865.383NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
 us-gaap:DebtInstrumentInterestRateStatedPercentage dei:LegalEntity,us-gaap:DebtInstrument,us-gaap:LongtermDebtType dfs:SlcPrivateStudentLoanTrust,dfs:FloatingRateAssetBackedSecurities,us-gaap:SecuredDebtNANANA4.25e-064.2500000000000003e-084.2500000000000003e-085.7500000000000005e-086e-086.5e-086.5e-086.5e-086.25e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage dei:LegalEntity,us-gaap:Range,us-gaap:DebtInstrument,us-gaap:LongtermDebtType dfs:DiscoverBank,srt:Maximum,dfs:SeniorBankNotes,us-gaap:SeniorNotesNANANA4.65e-064.65e-084.65e-084.65e-084.65e-084.65e-084.65e-084.65e-084.65e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage dei:LegalEntity,us-gaap:Range,us-gaap:DebtInstrument,us-gaap:LongtermDebtType dfs:DiscoverBank,srt:Maximum,dfs:SubordinatedBankNotes,us-gaap:SubordinatedDebtNANANA4.68e-064.68e-087e-087e-088.7e-088.7e-088.7e-088.7e-088.7e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage dei:LegalEntity,us-gaap:Range,us-gaap:DebtInstrument,us-gaap:LongtermDebtType dfs:DiscoverBank,srt:Minimum,dfs:SeniorBankNotes,us-gaap:SeniorNotesNANANA2.4500000000000003e-062.45e-082.45e-082.45e-082.45e-083.1e-083.1e-083.1e-082.5999999999999998e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage dei:LegalEntity,us-gaap:Range,us-gaap:DebtInstrument,us-gaap:LongtermDebtType dfs:DiscoverBank,srt:Minimum,dfs:SubordinatedBankNotes,us-gaap:SubordinatedDebtNANANA4.68e-064.68e-084.68e-084.68e-084.68e-084.68e-084.68e-084.68e-084.68e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage dei:LegalEntity,us-gaap:Range,us-gaap:DebtInstrument,us-gaap:LongtermDebtType dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust,srt:Maximum,dfs:FixedRateAssetBackedSecurities,us-gaap:SecuredDebtNANANA3.32e-063.32e-083.32e-083.32e-083.32e-083.32e-083.32e-083.32e-083.11e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage dei:LegalEntity,us-gaap:Range,us-gaap:DebtInstrument,us-gaap:LongtermDebtType dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust,srt:Maximum,dfs:FloatingRateAssetBackedSecurities,us-gaap:SecuredDebtNANANA7.5e-077.8e-091.2999999999999999e-082.4600000000000002e-082.63e-082.9899999999999996e-083.08e-083.11e-082.76e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage dei:LegalEntity,us-gaap:Range,us-gaap:DebtInstrument,us-gaap:LongtermDebtType dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust,srt:Minimum,dfs:FixedRateAssetBackedSecurities,us-gaap:SecuredDebtNANANA1.85e-061.85e-081.85e-081.85e-081.3899999999999999e-081.3899999999999999e-081.3899999999999999e-081.3899999999999999e-081.3899999999999999e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage dei:LegalEntity,us-gaap:Range,us-gaap:DebtInstrument,us-gaap:LongtermDebtType dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust,srt:Minimum,dfs:FloatingRateAssetBackedSecurities,us-gaap:SecuredDebtNANANA3.8e-074.1e-099.299999999999999e-091.9699999999999998e-082.2599999999999997e-082.62e-082.7099999999999998e-082.69e-082.3900000000000002e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:ConsolidatedEntities,us-gaap:Range,us-gaap:DebtInstrument,us-gaap:LongtermDebtType dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust,srt:Maximum,dfs:FloatingRateAssetBackedSecurities,us-gaap:SecuredDebt▁▄█6.7e-077.1e-077.6e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:ConsolidatedEntities,us-gaap:Range,us-gaap:DebtInstrument,us-gaap:LongtermDebtType dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust,srt:Minimum,dfs:FixedRateAssetBackedSecurities,us-gaap:SecuredDebt█▁▁1.89e-061.85e-061.85e-06NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:ConsolidatedEntities,us-gaap:Range,us-gaap:DebtInstrument,us-gaap:LongtermDebtType dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust,srt:Minimum,dfs:FloatingRateAssetBackedSecurities,us-gaap:SecuredDebt█▁▇4.0000000000000003e-073.4000000000000003e-073.9e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:ConsolidatedEntities,us-gaap:Range,us-gaap:DebtInstrument,us-gaap:LongtermDebtType srt:ParentCompany,srt:Maximum,dfs:FixedRateRetailNotes,us-gaap:CorporateDebtSecurities████▁▁▁▁▁▁▁▁4.4e-064.4e-064.6e-064.6e-064.6e-084.6e-084.6e-084.6e-084.6e-084.6e-084.6e-084.6e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:ConsolidatedEntities,us-gaap:Range,us-gaap:DebtInstrument,us-gaap:LongtermDebtType srt:ParentCompany,srt:Maximum,dfs:FixedRateSeniorNotes,us-gaap:CorporateDebtSecurities████▁▁▁▁▁▁▁▁5.2e-065.2e-065.2e-065.2e-065.1999999999999996e-085.1999999999999996e-085.1999999999999996e-085.1999999999999996e-081.025e-071.025e-071.025e-071.025e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:ConsolidatedEntities,us-gaap:Range,us-gaap:DebtInstrument,us-gaap:LongtermDebtType srt:ParentCompany,srt:Minimum,dfs:FixedRateRetailNotes,us-gaap:CorporateDebtSecurities████▁▁▁▁▁▁▁▁2.8500000000000002e-062.8500000000000002e-062.8500000000000002e-062.8500000000000002e-062.85e-082.85e-082.85e-082.85e-082.85e-082.85e-082.85e-082.85e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:ConsolidatedEntities,us-gaap:Range,us-gaap:DebtInstrument,us-gaap:LongtermDebtType srt:ParentCompany,srt:Minimum,dfs:FixedRateSeniorNotes,us-gaap:CorporateDebtSecurities████▁▁▁▁▁▁▁▁3.75e-063.75e-063.75e-063.75e-063.75e-083.75e-083.75e-083.75e-083.75e-083.75e-083.75e-083.75e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302009-11-30
Value6000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.06000000.05000000.05000000.05526000.05523000.05515000.05497000.05495000.05484000.05480000.05471000.05448000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312009-11-302008-11-30
Value568568567567567567566566566565564564564564563563563563562562562562560560560560558558558558555555554554553553552552552552552551549549549548547547546544480
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-08-312011-05-312011-02-282010-08-312010-05-312010-02-28
Value3043073063063083173233283423483553713793864024114174344424484614674724844904974995115135245295315305305455460.5455415475520.543422
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-08-312011-05-312011-02-282010-08-312010-05-312010-02-28
Value3043073063063083173223283413483553713793864024104174334414484604664714824894964985105125235285305295295445450.5450525445430.543422
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
Value5.565.042.592.45-1.2-0.252.252.362.322.152.042.051.911.820.991.591.411.431.41.561.471.351.151.381.331.280.871.371.351.311.241.21.21.330.341.081.241.210.991.011.221.180.310.951.181.090.840.640.470.34-0.220.611.080.430.25
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
Value5.555.042.592.45-1.2-0.252.252.362.322.152.032.051.911.820.991.591.41.431.41.561.471.351.141.381.331.280.871.371.351.311.231.21.21.330.341.071.241.210.991.01.211.180.30.951.181.090.840.640.470.33-0.220.61.070.430.25
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Tier One Risk Based Capital To Risk Weighted Assets

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets dei:LegalEntity

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets

dfs:DiscoverBank


Tier
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302009-11-30
Value12.80.1220.1170.1150.1190.120.1210.1180.1230.130.1330.1360.1320.1360.1380.1370.1330.1370.1370.1380.1310.1370.1370.1380.1320.1350.1350.1350.1250.1240.120.1190.1210.1150.1210.1220.1210.1220.126
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities

dfs:DiscoverBank


Tier
Period End2021-06-302021-03-312020-12-312019-12-31
Value15.615.513.811.5
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets0.00.00.010000.0

srt:ParentCompany


Tier
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value16.916.114.313.30.1290.1190.1180.120.120.1210.117
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets0.00.00.0103.9105.7101.7102.6100.8100.0100.099.2

Capital To Risk Weighted Assets

us-gaap:CapitalToRiskWeightedAssets dei:LegalEntity

us-gaap:CapitalToRiskWeightedAssets

dfs:DiscoverBank


Capital
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302009-11-30
Value15.20.1450.140.1380.1420.1440.1460.1420.1440.1520.1550.160.1550.1610.1630.1640.1590.1640.1640.1670.1530.1590.160.1610.1550.1590.1590.1580.1490.1470.1520.1520.1540.1480.1560.1570.1570.1590.158
Percentage of CapitalToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities

dfs:DiscoverBank


Capital
Period End2021-06-302021-03-312020-12-312019-12-31
Value17.817.816.113.8
Percentage of CapitalToRiskWeightedAssets0.00.00.010000.0

srt:ParentCompany


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value18.818.016.115.20.1470.1370.1350.135
Percentage of CapitalToRiskWeightedAssets0.00.00.0100.0101.497.997.895.1

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value16661541751742-380.0192663779806746691722675679383604551570567648614563520592600563336646642629643591579661173507651636540544641634480695640441349252258-101.319
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating64.358.227.227.7-14.26.421.825.627.125.423.826.025.626.415.024.423.625.025.129.729.427.025.229.530.829.217.033.534.534.334.933.133.538.729.129.738.137.532.832.939.138.529.743.540.728.423.316.416.6-6.5

Gain Loss On Investments

us-gaap:GainLossOnInvestments

us-gaap:GainLossOnInvestments


Gain
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
Value1.00.043360.00.00.03.00.00.00.00.01.00.00.08.00.00.00.04.02.00.00.03.02.026260.00.00.0280.00.00.0-3.614-0.1490.1410.0180.00.185.413-7.422-1.012-0.805
Percentage of GainLossOnInvestments100.00.0100.0100.00.00.00.0100.00.00.00.00.0100.00.00.0100.00.00.00.0100.0100.00.00.0100.0100.0100.0100.00.00.0100.00.00.00.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.01.61.20.00.00.00.10.00.00.00.00.00.00.00.40.00.00.00.20.10.00.00.20.31.51.50.00.00.00.00.00.0-0.2-0.00.00.01.20.00.00.8-0.9-0.1-0.1

us-gaap:GainLossOnInvestments us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, dfs:PaymentServices


Gain
Period End2020-09-302020-06-302020-03-312019-06-30
Value0.043360.0
Percentage of GainLossOnInvestments0.0100.0100.00.0
Percentage of InterestAndDividendIncomeOperating0.01.61.20.0
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments dfs:PaymentServices0.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
Value222220791015959-461.0-78.0924994987930897967877856899903867868883961898914788974942908648100910151022937946981108027486010281011846867104710142638171047926720585432422-170.708570939414196
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating85.878.636.835.8-17.3-2.630.432.733.231.730.934.833.333.335.236.537.138.139.144.043.043.938.248.548.447.132.852.454.555.850.952.956.863.246.150.460.259.751.452.463.861.60.050.565.558.946.439.028.127.2-10.989.4112.848.324.0

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

us-gaap:OperatingSegments, dfs:DirectBanking


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-12-31
Value15302027917-484.0-161.0883943941879874923837811870867831824868931868882767950914881646981984994259
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments68.997.595.6105.0206.495.694.995.394.597.495.495.494.796.896.095.894.998.396.996.796.597.397.597.097.099.797.296.997.394.5
Percentage of InterestAndDividendIncomeOperating59.176.634.2-18.1-5.429.131.031.629.930.133.231.831.634.035.035.536.238.442.641.542.337.247.346.945.732.750.952.854.243.5
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments dfs:DirectBanking59.176.634.2-18.1-5.40.031.031.629.90.033.231.831.60.035.035.536.20.042.641.542.30.047.346.945.70.050.952.854.243.5

us-gaap:OperatingSegments, dfs:PaymentServices


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-12-31
Value692522442238341514651234440452936364415303032212428272.028312815
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments31.12.52.44.4-5.0-106.44.45.14.75.52.64.64.65.33.24.04.25.11.73.13.33.52.72.53.03.00.32.83.12.75.5
Percentage of InterestAndDividendIncomeOperating26.72.00.91.60.92.81.31.71.51.70.81.61.51.81.11.51.51.90.71.41.41.51.01.21.41.40.11.51.71.52.5
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments dfs:PaymentServices0.00.00.00.00.00.00.00.04600.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
Value524486216188-93.0-17.021622423420421024720819051230132130432032228233928836234332224436537139133535337940710430939138532133039738399305398326255235171164-67.1721736218875
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating20.218.47.87.0-3.5-0.67.17.47.96.97.28.97.97.420.012.213.713.314.214.713.516.314.018.017.616.712.419.019.921.318.219.821.923.817.518.122.922.719.520.024.223.30.018.824.920.716.415.711.210.6-4.334.143.522.09.3

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
Value290316383416482584615638645632605558507469436426400386366359339334329323311300302288274270273278297298103312321325332340349353359362379382375389404413314304320312
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating11.211.913.915.518.019.620.221.021.721.520.820.119.218.317.117.217.116.916.216.416.216.016.016.116.015.615.315.014.714.714.815.617.217.417.318.318.819.220.220.621.321.522.222.624.224.625.025.326.126.549.236.537.338.3

us-gaap:InterestExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, dfs:DirectBanking


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-12-31
Value290316416482584615638645632605558507469436426400386366359339334329323311300302288274270103
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating11.211.915.518.019.620.221.021.721.520.820.119.218.317.117.217.116.916.216.416.216.016.016.116.015.615.315.014.714.717.3
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments dfs:DirectBanking11.211.915.518.019.60.021.021.721.50.020.119.218.30.017.217.116.90.016.416.216.00.016.116.015.60.015.014.714.717.3

Interest Expense Long Term Debt

us-gaap:InterestExpenseLongTermDebt

us-gaap:InterestExpenseLongTermDebt


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value12012312312614221122223124424624522922020719820820119518518117317217016615614714413512311611410811211138116119119122124125124122120128125107110106108
Percentage of InterestExpenseLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating4.64.64.54.75.37.17.37.68.28.48.48.28.38.17.78.48.68.68.28.38.38.38.28.38.07.67.37.06.66.36.26.06.56.56.46.87.07.17.47.57.67.67.67.58.28.17.27.26.86.9

Interest Income Expense Net

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
Value2299233023772265219023982424240223322305230222232129210021202050193818921892182517511750173216851636162916721638158915631569150914301410492139413871369131413151292129344212601237119311701123114611471145323528537503
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating88.888.186.184.582.080.479.879.078.378.579.279.980.881.782.982.882.983.183.883.683.884.084.083.984.084.484.785.085.385.385.284.482.882.682.781.781.280.879.879.478.778.50.077.877.475.875.475.074.773.973.550.863.562.761.7

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

us-gaap:OperatingSegments, dfs:DirectBanking


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-12-31
Value22992330226521902398242424022331230523012223212921002120205019381892189218251751175017321685163616291672163815891563492
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating88.888.184.582.080.479.879.078.378.579.279.980.881.782.982.882.983.183.883.683.884.084.083.984.084.484.785.085.385.382.7
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments dfs:DirectBanking88.888.184.582.080.40.079.078.378.50.079.980.881.70.082.882.983.10.083.683.884.00.083.984.084.40.085.085.385.382.7

Marketing And Advertising Expense

us-gaap:MarketingAndAdvertisingExpense

us-gaap:MarketingAndAdvertisingExpense


Marketing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value175154159140129231234230224195230218224185213203192168176195198162196168199182216182168169189174185169511921741601211191281311441331241351491309784
Percentage of MarketingAndAdvertisingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating6.85.85.85.24.87.77.77.67.56.67.97.88.57.28.38.28.27.47.88.99.57.89.58.410.29.410.99.49.09.210.39.710.79.98.611.310.29.57.47.27.88.08.98.37.98.710.08.56.35.4

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
Value16981593799771-368.0-61.0708770753726687720669666387602546564563639616575500612599586404644644631602593602673170551637626525536650631164512648600464349260258-103.538352577225120
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating65.660.228.928.8-13.8-2.023.325.325.324.723.625.925.425.915.124.323.424.824.929.329.527.624.330.530.830.420.533.434.634.432.733.234.939.428.632.337.337.031.932.439.638.30.031.640.638.229.923.317.016.6-6.655.269.326.314.8

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value16981593799771-368.0-61.0708770753726687720669666387602546564563639616575500612599586404644644631602593602673170550637626525536650631512648600464349260258-103.538
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating65.660.228.928.8-13.8-2.023.325.325.324.723.625.925.425.915.124.323.424.824.929.329.527.624.330.530.830.420.533.434.634.432.733.234.939.428.632.337.337.031.932.439.638.331.640.638.229.923.317.016.6-6.6
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
Value16881546793756-368.0-77.0708755753710687705669650363593536555554630606566491603589577395635634622593584592664170545637626525536650512648593459346258184-122.233330552206118
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating65.258.428.728.2-13.8-2.623.324.825.324.223.625.425.425.314.223.922.924.424.528.829.027.223.830.030.329.920.033.034.033.932.232.734.338.928.632.037.337.031.932.439.631.640.637.729.623.116.811.9-7.851.866.424.114.5

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-06-302020-03-312011-05-312010-05-31
Value16881546-369.0-78.0593184
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating65.258.4-13.8-2.637.711.9

Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.01.01.03.04.0-3.0-1.0-8.0-18.0-12.0-21.04.07.019121.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.00.00.10.1-0.1-0.0-0.3-0.6-0.4-0.70.10.30.70.50.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-06-302012-03-312011-11-302011-08-31
Value-32.0-52.0-48.0-29.0-12.0253-45.09.053204.02.06.013-4.02.05.06.04.09.0-2.0-12.020-20.01.0-23.0-68.02.0-2.0-2.041-2.0-23.0-12.03.0-43.3539.6915-9.0-31.56946
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 InterestAndDividendIncomeOperating-1.2-2.0-1.7-1.1-0.48.5-1.50.31.80.70.10.10.20.5-0.20.10.20.30.20.4-0.1-0.61.0-1.00.1-1.2-3.40.1-0.1-0.12.2-0.1-1.3-0.70.5-2.50.60.9-0.5-1.92.9

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.01.01.03.04.0-3.0-1.0-8.0-18.0-12.0-21.04.07.019121.0
Percentage of OtherComprehensiveIncomeLossNetOfTax-3.1-1.9-2.1-10.3-33.3-1.22.2-88.9-34.0-60.0-525.0200.0116.7146.2-300.050.0
Percentage of InterestAndDividendIncomeOperating0.00.00.00.10.1-0.1-0.0-0.3-0.6-0.4-0.70.10.30.70.50.0
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-33.0-53.0-36.0-32.0-16.0256-17.017713126-2.0-1.0-7.0-4.01.00.01.0-17.0-4.04.014-16.03.0-10.00.03.0-9.08.02.0-14.04.0-31.0-11.0
Percentage of OtherComprehensiveIncomeLossNetOfTax103.1101.975.0110.3133.3101.237.8188.9134.0155.0650.0-100.0-16.7-53.8100.050.00.016.7-425.0-44.4-200.0-116.7-80.0-15.0-1000.0-0.0-4.4-450.0-400.0-100.0-34.1-200.0134.891.7
Percentage of InterestAndDividendIncomeOperating-1.3-2.0-1.3-1.2-0.68.6-0.60.62.41.10.9-0.1-0.0-0.3-0.20.00.00.0-0.8-0.20.20.7-0.80.1-0.50.00.2-0.50.40.1-0.80.2-1.8-0.6
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-06-302012-03-312011-11-30
Value-32.0-52.0-48.0-29.0-12.0253-45.09.053204.02.06.013-4.02.05.06.04.09.0-2.0-12.020-20.01.0-23.0-68.02.0-2.0-2.041-2.0-23.0-12.03.0-43.35315-9.0-31.569
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-1.2-2.0-1.7-1.1-0.48.5-1.50.31.80.70.10.10.20.5-0.20.10.20.30.20.4-0.1-0.61.0-1.00.1-1.2-3.40.1-0.1-0.12.2-0.1-1.3-0.70.5-2.50.9-0.5-1.9
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:AccountingStandardsUpdate201409


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value446358336349344335400378418354397398379379398377398358
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating17.213.512.213.012.911.213.212.414.012.113.714.314.414.815.615.217.015.7
Percentage of InterestAndDividendIncomeOperating us-gaap:AccountingStandardsUpdate2014090.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OperatingSegments, us-gaap:AccountingStandardsUpdate201409, dfs:DirectBanking


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value353272271269247311289334268324318303298327303
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax79.176.077.778.273.777.876.579.975.781.679.979.978.682.280.4
Percentage of InterestAndDividendIncomeOperating13.610.310.110.18.310.29.511.29.111.111.411.511.612.812.2
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments us-gaap:AccountingStandardsUpdate201409 dfs:DirectBanking0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, us-gaap:AccountingStandardsUpdate201409, dfs:PaymentServices


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value93867978758889898486738076817174
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.924.023.522.321.826.322.223.520.124.318.420.120.121.417.819.6
Percentage of InterestAndDividendIncomeOperating3.63.32.92.92.83.02.92.92.82.92.52.92.93.22.83.0
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments us-gaap:AccountingStandardsUpdate201409 dfs:PaymentServices0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-05-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302009-11-30
Value11098511387111288912434911379211265711399611078611070711072010955310584210275110196710008797608937579479592308905418751188093869368561184911841788312680596789377958479340755447494476139734917528373908720837048669473687836572563437635066078446020
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets dfs:SecuritizationActivities, us-gaap:ConsolidatedEntities

dfs:CreditCardSecuritizationTrusts, us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsdfs:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value24500238682537925633257042870730402
Percentage of Assets22.121.022.520.622.625.526.7
Percentage of Assets22.121.022.520.622.625.526.7
Percentage of Assets dfs:CreditCardSecuritizationTrusts us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0100.0

dfs:StudentLoanSecuritizationTrusts, us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsdfs:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value234246259270284298304
Percentage of Assets0.20.20.20.20.20.30.3
Percentage of Assets0.20.20.20.20.20.30.3
Percentage of Assets dfs:StudentLoanSecuritizationTrusts us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

srt:ParentCompany


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value15195161471474614668
Percentage of Assets13.514.213.514.7
Percentage of Assets13.514.213.514.7
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-05-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302009-11-30
Value97814101717102005114097104149102992102137990699921499461984239482691862910968919586421824988353080985791947611476777756617430873648729677199269295675566856368531649426449665840636186550564762631846165761115605415771955914566075432837585
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets88.189.390.491.891.591.489.689.489.689.889.889.689.489.389.188.588.088.187.787.587.087.287.086.886.786.786.686.085.686.286.486.086.186.586.687.087.687.787.588.088.087.888.189.189.481.7

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value4311428836163776
Percentage of Liabilities4.24.23.74.2
Percentage of Assets3.83.83.33.8
Percentage of Assets srt:ParentCompany28.426.624.525.7

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302009-11-30
Value110985113871112889124349113792112657113996110786110707110720109553105842102751101967100087976089375794795923089054187511880938693685611849118417883126805967893779584793407554474944761397349175283739087208370486687836572563437635066078446020
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilities
Period End2020-12-312019-12-312018-12-312017-12-31
Value15195161471474614668
Percentage of LiabilitiesAndStockholdersEquity13.514.213.514.7
Percentage of Assets13.514.213.514.7
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302008-11-302007-11-30
Value13171121541088410252964396651185911717114931125911130110161088910871108921118711259112651132311347113971131611275113031126311211111341130111381110211080910602104481029998739778917791458940889887038828835882428005752368996456611160387015843559155599
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.910.79.68.28.58.610.410.610.410.210.210.410.610.710.911.512.011.912.312.513.012.813.013.213.313.313.414.014.413.813.614.013.913.513.413.00.012.40.012.30.012.512.012.012.211.910.910.60.00.00.018.30.00.0

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value10884118591113010892
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets9.610.410.210.9
Percentage of Assets srt:ParentCompany71.673.475.574.3

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302008-11-302007-11-30
Value-39.0-7.04593122134-119.0-74.0-83.0-136.0-156.0-160.0-162.0-139.0-152.0-148.0-150.0-155.0-161.0-165.0-174.0-172.0-160.0-180.0-160.0-161.0-138.0-70.0-72.0-70.0-68.0-109.0-107.0-84.0-72.0-75.0-29.0-31.326-43.0-41.016-58.0-48.604-49.0-51.679-19.979-66.358-106.279-82.548-82.297-73.94-74.038-154.818-66.33832
Percentage of StockholdersEquity-0.3-0.10.40.91.31.4-1.0-0.6-0.7-1.2-1.4-1.5-1.5-1.3-1.4-1.3-1.3-1.4-1.4-1.5-1.5-1.5-1.4-1.6-1.4-1.4-1.2-0.6-0.6-0.6-0.6-1.0-1.0-0.8-0.7-0.8-0.3-0.3-0.5-0.5-0.7-0.6-0.6-0.6-0.2-0.9-1.5-1.3-1.3-1.2-1.1-1.8-1.10.6
Percentage of Assets-0.0-0.00.00.10.10.1-0.1-0.1-0.1-0.1-0.1-0.2-0.2-0.1-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.10.0-0.00.0-0.10.0-0.1-0.1-0.1-0.0-0.1-0.2-0.10.00.00.0-0.30.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302008-11-302007-11-30
Value431942804257423542164217420641884167414841304107408940684042401639973979396239463932391338853868385338413790377537583739368736713650363235983593357435703560355532903528351535073492346934523435342835933584357329382846
Percentage of StockholdersEquity32.835.239.141.343.743.635.535.736.336.837.137.337.637.437.135.935.535.335.034.834.534.634.534.234.234.334.033.433.033.934.134.634.935.336.436.738.939.039.840.037.840.042.142.643.646.150.053.256.159.551.142.449.750.8
Percentage of Assets3.93.83.83.43.73.73.73.83.83.73.83.94.04.04.04.14.34.24.34.44.54.44.54.54.54.64.64.74.84.74.64.94.94.84.94.80.04.80.04.90.05.05.15.15.35.55.45.70.00.00.07.80.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302008-11-302007-11-30
Value6.06.06.06.06.06.06.06.06.06.06.06.06.06.06.06.06.06.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.06.05.05.05.05.5265.05.5235.05.5155.05.4975.4955.4845.485.4715.475.4625.465.4484.8054.777
Percentage of StockholdersEquity0.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-06-302012-03-312011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302008-11-302007-11-30
Value105610561056105610565635635635635635635635635635635605605605605605605605605605605605605605605605605605605605605600.00.00.00.00.00.00.00.00.00.00.0116111580.00.0
Percentage of StockholdersEquity8.08.79.710.311.05.84.74.84.95.05.15.15.25.25.25.05.05.04.94.94.94.95.05.05.05.05.05.04.95.15.25.35.45.45.75.70.00.00.00.00.00.00.00.00.00.00.016.613.70.00.0
Percentage of Assets1.00.90.90.80.90.50.50.50.50.50.50.50.50.60.60.60.60.60.60.60.60.60.60.70.70.70.70.70.70.70.70.70.70.70.80.70.00.00.00.00.00.00.00.00.00.00.00.02.50.00.0
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302008-11-302007-11-30
Value229362137319955192921867319175212902072020107194841890618354177871721116687164521598915568151301469614188136981325012880124001193611467111821065910138961191158629813674727373700868776422630359505820535152434763414735803126278725382362387330462717
Percentage of StockholdersEquity174.1175.9183.3188.2193.6198.4179.5176.8174.9173.1169.9166.6163.3158.3153.2147.1142.0138.2133.6129.5124.5121.0117.5114.0110.1106.5103.098.993.792.088.986.082.679.075.775.476.475.271.870.868.465.964.063.659.555.151.948.445.642.033.745.951.548.5
Percentage of Assets20.718.817.715.516.417.018.718.718.217.617.317.317.316.916.716.917.116.416.416.216.215.515.215.014.614.213.813.913.512.712.112.111.510.710.29.80.09.30.08.70.08.37.77.67.26.55.65.10.00.00.08.40.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302008-11-302007-11-30
Value-15107.0-14554.0-14435.0-14430.0-14430.0-14430.0-14087.0-13686.0-13267.0-12806.0-12319.0-11854.0-11394.0-10838.0-10254.0-9699.0-9143.0-8693.0-8173.0-7695.0-7114.0-6688.0-6265.0-5830.0-5395.0-4970.0-4550.0-4151.0-3529.0-3351.0-2986.0-2640.0-2289.0-1951.0-1690.0-1678.0-1381.0-1276.648-1004.0-924.219-484.0-477.048-464.0-462.679-235.443-32.981-32.887-27.883-27.787-25.111-25.025-19.642-8.257-1.419
Percentage of StockholdersEquity-114.7-119.7-132.6-140.8-149.6-149.3-118.8-116.8-115.4-113.7-110.7-107.6-104.6-99.7-94.1-86.7-81.2-77.2-72.2-67.8-62.4-59.1-55.6-51.6-47.9-44.3-40.9-36.7-31.0-30.4-27.6-24.9-21.9-18.9-17.1-17.2-15.0-14.0-11.2-10.4-5.6-5.4-5.6-5.6-2.9-0.4-0.5-0.4-0.5-0.4-0.4-0.2-0.1-0.0
Percentage of Assets-13.6-12.8-12.8-11.6-12.7-12.8-12.4-12.4-12.0-11.6-11.2-11.2-11.1-10.6-10.2-9.9-9.8-9.2-8.9-8.5-8.1-7.6-7.2-6.8-6.4-5.9-5.5-5.2-4.5-4.2-3.8-3.5-3.1-2.6-2.3-2.20.0-1.70.0-1.30.0-0.7-0.7-0.7-0.4-0.1-0.1-0.00.00.00.0-0.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Tier One Risk Based Capital

us-gaap:TierOneRiskBasedCapital dei:LegalEntity

us-gaap:TierOneRiskBasedCapital

dfs:DiscoverBank


Tier
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302009-11-30
Value1172910941109661120311157110471092910834107281071810563105331073210600105661045010335102371006199419949981196279470947093089166894187908657843580977944733770977020672466596484626859756572
Percentage of TierOneRiskBasedCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.49.69.79.810.110.09.99.910.110.410.410.511.011.311.111.311.411.711.411.411.611.611.411.411.711.811.511.311.611.611.111.010.69.99.810.09.810.110.29.99.814.3
Percentage of Assets dfs:DiscoverBank0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TierOneRiskBasedCapital us-gaap:ConsolidatedEntities

dfs:DiscoverBank


Tier
Period End2021-06-302021-03-312020-12-312019-12-31
Value13721134211241511203
Percentage of TierOneRiskBasedCapital0.00.00.0100.0
Percentage of Assets12.411.811.09.8
Percentage of Assets dfs:DiscoverBank0.00.00.00.0

srt:ParentCompany


Tier
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value15149141041300612325116651130911595114031118811005108951078510677
Percentage of TierOneRiskBasedCapital0.00.00.0105.1106.6103.1103.5102.2101.3100.7100.6100.5101.4
Percentage of Assets13.612.411.59.910.310.010.210.310.19.99.910.210.7
Percentage of Assets srt:ParentCompany0.00.085.60.00.00.071.80.00.00.073.90.072.8

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302008-11-302007-11-30
Value15445203481356495131513810028692460751031315169132991601915289170111330613249129501516311914120761061712135957210250105951181472847382687987316554562357448067258439267037623760715112588663152335284939573772517150987916103351272813020101718787
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.917.912.07.713.38.96.15.59.313.712.115.114.916.713.313.613.816.012.913.312.113.811.012.012.514.08.89.28.711.08.37.47.710.63.55.20.08.40.07.10.09.03.44.16.05.98.18.40.00.00.028.30.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value28022511158620431901
Percentage of CashAndCashEquivalentsAtCarryingValue20.736.311.915.416.0
Percentage of Assets2.52.21.42.02.1
Percentage of Assets srt:ParentCompany18.415.610.813.90.0

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
Value1636820674135891008915167112116964611211353152131514516609159191709813387145281304316263120099671
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 Assets14.718.212.08.113.310.06.15.510.313.713.815.715.516.813.414.913.917.213.011.1

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value282225311606204719052137
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents20.836.310.615.315.922.1
Percentage of Assets2.52.21.52.02.12.5
Percentage of Assets srt:ParentCompany18.615.710.914.00.00.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312012-11-302011-11-302010-11-302009-11-30
Value2737266823982159195719321809171816151603146713501310
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.42.32.22.22.12.22.22.22.22.12.12.22.8

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312012-11-302011-11-302010-11-30
Value673693671641617607589547517516502496
Percentage of PropertyPlantAndEquipmentGross24.626.028.029.731.531.432.631.832.032.234.236.7
Percentage of Assets0.60.60.60.60.70.70.70.70.70.70.70.8
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ComputerSoftwareIntangibleAsset


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value901851696560449477422391414
Percentage of PropertyPlantAndEquipmentGross32.931.929.025.922.924.723.322.825.6
Percentage of Assets0.80.70.60.60.50.50.50.50.6
Percentage of Assets us-gaap:ComputerSoftwareIntangibleAsset0.00.00.00.00.00.00.00.00.0

us-gaap:Equipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312012-11-302011-11-302010-11-30
Value11251082989914847804753735640636570508
Percentage of PropertyPlantAndEquipmentGross41.140.641.242.343.341.641.642.839.639.738.937.7
Percentage of Assets1.00.90.90.90.90.90.90.90.90.80.80.8
Percentage of Assets us-gaap:Equipment0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312012-11-302011-11-302010-11-30
Value384242424242434342424141
Percentage of PropertyPlantAndEquipmentGross1.41.61.81.92.12.22.42.52.62.62.83.1
Percentage of Assets0.00.00.00.00.00.00.10.10.10.10.10.1
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

dfs:PropertyPlantAndEquipmentExcludingSoftware


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312012-11-302011-11-302010-11-30
Value13491276119311211045979905829764759706647
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.11.11.11.11.11.11.01.01.01.01.1
Percentage of Assets dfs:PropertyPlantAndEquipmentExcludingSoftware0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ComputerSoftwareIntangibleAsset


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value361335269213178260234235313
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment26.826.322.519.017.026.625.928.341.0
Percentage of Assets0.30.30.20.20.20.30.30.30.4
Percentage of Assets us-gaap:ComputerSoftwareIntangibleAsset0.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302009-11-30
Value98610211027112111151070105710281008980936896874848825800774750734722708706693684688678670661665668654639607572538534519492486483465471458460499
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.90.90.91.00.90.90.90.90.90.90.80.90.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.70.70.70.70.70.70.70.70.70.81.1

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-12-312010-11-302009-11-30
Value2552552552552552552552552552552552552552552552552552552552552552552552552552572572842842842842842842862862862872552552552552552550.0255255
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.20.20.20.20.20.20.20.30.30.30.30.30.30.30.30.30.30.30.30.30.30.40.40.40.40.40.40.40.40.40.40.40.40.40.40.40.40.00.40.6

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill


Indefinite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312012-11-302011-11-302010-11-30
Value92151155155155155155155155155154151
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.20.20.20.20.20.20.20.20.2

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:TradeNames


Indefinite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312012-11-302011-11-302010-11-30
Value92128132132132132132132132132131127
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.084.885.285.285.285.285.285.285.285.285.184.7
Percentage of Assets0.10.10.10.10.10.20.20.20.20.20.20.2
Percentage of Assets us-gaap:TradeNames0.00.00.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302009-11-30
Value1.095959596155155159160160161162162162163163164165166166167167168169170175176177179182185188191187189190192184186188189191193188195
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.30.20.30.30.30.30.30.30.30.30.30.30.4

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments

us-gaap:TradeNames, dfs:PaymentServices


Intangible
Period End2020-12-31
Value92
Percentage of IntangibleAssetsNetExcludingGoodwill96.8
Percentage of Assets0.1
Percentage of Assets us-gaap:TradeNames dfs:PaymentServices0.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312012-11-302011-11-302010-11-30
Value3.04.06.08.01113213034353337
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.1

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:TradeNames


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312012-11-302011-11-302010-11-30
Value3.03.04.04.05.05.05.06.06.06.06.0246.332
Percentage of FiniteLivedIntangibleAssetsNet100.075.066.750.045.538.523.820.017.617.118.116.7
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:TradeNames0.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312012-11-302011-11-302010-11-302009-11-30
Value17755514342535105568047541075106512171469789
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.60.50.40.30.60.61.01.01.51.41.82.41.7

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi us-gaap:BalanceSheetLocation, us-gaap:StatementBusinessSegments

us-gaap:EquitySecuritiesFvNi

us-gaap:OtherAssets, dfs:PaymentServices


Equity
Period End2021-06-302020-12-31
Value7378.0
Percentage of EquitySecuritiesFvNi100.0100.0
Percentage of Assets0.70.0
Percentage of Assets us-gaap:OtherAssets dfs:PaymentServices0.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-30
Value737
Percentage of EquitySecuritiesFvNi100.0
Percentage of Assets0.7
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-30
Value737
Percentage of EquitySecuritiesFvNi100.0
Percentage of Assets0.7
Percentage of Assets us-gaap:FairValueMeasurementsRecurring0.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302009-11-30
Value388633943586345333823134245923892323226022152152205820532262232322292055230021432170246525492518245524952461227222942331236724732491252525622490243323952290238321582297250524341462
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.53.03.22.83.02.82.22.22.12.02.02.02.02.02.32.42.42.22.52.42.52.82.92.92.93.03.02.82.92.93.03.33.33.33.53.33.33.33.33.53.33.63.94.03.2

us-gaap:OtherAssets dfs:SecuritizationActivities, us-gaap:ConsolidatedEntities

dfs:CreditCardSecuritizationTrusts, us-gaap:VariableInterestEntityPrimaryBeneficiary


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value4.04.03.04.05.06.05.0
Percentage of OtherAssets0.10.10.10.10.10.20.2
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets dfs:CreditCardSecuritizationTrusts us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.00.00.0

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value567600676254
Percentage of OtherAssets15.824.430.511.2
Percentage of Assets0.50.50.60.3
Percentage of Assets srt:ParentCompany3.73.74.61.7

us-gaap:VariableInterestEntityPrimaryBeneficiary


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value5.05.04.06.07.06.05.0
Percentage of OtherAssets0.10.10.10.20.20.20.2
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.00.00.0

Time Deposit Maturities Year One

us-gaap:TimeDepositMaturitiesYearOne

us-gaap:TimeDepositMaturitiesYearOne


Time
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.00.0178500.0
Percentage of TimeDepositMaturitiesYearOne0.00.0100.00.0
Percentage of Assets0.00.015.80.0

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-05-312012-02-292011-12-312011-11-302011-08-312011-05-312010-11-30
Value1935021011212412184123194260982570124454251632627627228269982625226244263262673726438268232544326830246812475224724238002409922924225442091820057201822047418665180331923017666197291924619023187531826518287177181793817705
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.418.518.817.620.423.222.522.122.723.724.925.525.525.726.327.428.228.327.629.628.228.128.427.828.427.227.126.025.425.425.824.724.125.324.026.226.026.426.626.326.627.028.329.1

us-gaap:LongTermDebtAndCapitalLeaseObligations dei:LegalEntity, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

dfs:DiscoverBank, dfs:SeniorBankNotes, us-gaap:SeniorNotes


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value6236625574966785681160586039602770076115611560806084608160756077612251325128514351514142289228921744
Percentage of LongTermDebtAndCapitalLeaseObligations28.627.028.726.427.924.123.022.126.023.323.323.122.823.022.623.922.820.820.720.821.617.212.612.88.5
Percentage of Assets5.05.56.76.06.15.55.55.56.66.06.06.16.26.56.46.66.85.95.85.96.04.93.43.52.2
Percentage of Assets dfs:DiscoverBank dfs:SeniorBankNotes us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

dfs:DiscoverBank, dfs:SubordinatedBankNotes, us-gaap:SubordinatedDebt


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value517520101999611971196119611951195698698698697697697696696696695698698698698698698
Percentage of LongTermDebtAndCapitalLeaseObligations2.42.23.93.94.94.84.64.44.42.72.72.72.62.62.62.72.62.82.82.82.92.93.03.13.4
Percentage of Assets0.40.50.90.91.11.11.11.11.10.70.70.70.70.70.70.80.80.80.80.80.80.80.80.80.9
Percentage of Assets dfs:DiscoverBank dfs:SubordinatedBankNotes us-gaap:SubordinatedDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust, dfs:FixedRateAssetBackedSecurities, us-gaap:SecuredDebt


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312010-11-30
Value662179558771860976379821109501065796959472947888881012198181040898681076895809268917179507950795089507752655355545554470447025455455545564556274727451748174817482598
Percentage of LongTermDebtAndCapitalLeaseObligations30.334.333.633.531.239.041.739.135.936.136.133.837.937.138.838.840.138.837.437.133.433.034.739.737.132.727.527.125.226.128.425.823.123.714.414.69.69.99.714.7
Percentage of Assets5.37.07.87.66.98.99.99.79.29.29.38.910.410.511.010.711.910.910.510.59.39.49.410.89.68.37.07.06.26.37.26.26.16.23.83.92.52.72.84.3
Percentage of Assets dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust dfs:FixedRateAssetBackedSecurities us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust, dfs:FloatingRateAssetBackedSecurities, us-gaap:SecuredDebt


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value4668466750165515501442154214606358136362633770386209621255925694609260916441645067007949794970009640
Percentage of LongTermDebtAndCapitalLeaseObligations21.420.119.221.520.516.816.022.321.524.224.126.723.223.520.822.422.724.726.026.128.233.034.731.147.1
Percentage of Assets3.84.14.54.84.53.83.85.55.56.26.27.06.46.65.96.26.77.07.37.47.89.49.48.412.2
Percentage of Assets dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust dfs:FloatingRateAssetBackedSecurities us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

dfs:SlcPrivateStudentLoanTrust, dfs:FloatingRateAssetBackedSecurities, us-gaap:SecuredDebt


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value1361441521601691781871972075315706106497087808499209911070114312161291137014451792
Percentage of LongTermDebtAndCapitalLeaseObligations0.60.60.60.60.70.70.70.70.82.02.22.32.42.72.93.33.44.04.34.65.15.46.06.48.8
Percentage of Assets0.10.10.10.10.20.20.20.20.20.50.60.60.70.80.80.91.01.11.21.31.41.51.61.72.3
Percentage of Assets dfs:SlcPrivateStudentLoanTrust dfs:FloatingRateAssetBackedSecurities us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust, us-gaap:SecuredDebt


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312010-11-30
Value11289126221378714124126511403615164167201550815834158151592616330160301600015562168601567115709156211465015899158991595014752145531459315194137931357814681137731582415075147661429013293126191275114919
Percentage of LongTermDebtAndCapitalLeaseObligations51.754.452.855.051.755.857.761.457.460.360.360.561.160.659.761.262.863.563.563.261.666.069.470.870.572.672.374.273.975.376.378.080.278.377.676.272.771.271.184.3
Percentage of Assets9.111.112.212.411.412.713.715.314.715.415.515.916.717.116.916.918.617.917.818.017.118.718.919.218.318.418.319.218.318.119.318.721.020.420.520.319.319.220.124.5
Percentage of Assets dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

dfs:SlcPrivateStudentLoanTrust, us-gaap:SecuredDebt


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312010-11-30
Value1361441521601691781871972075315706106497087808499209911070114312161291137014451524161217021792188319702063216021712262235524502549264027350.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.60.60.60.60.70.70.70.70.82.02.22.32.42.72.93.33.44.04.34.65.15.46.06.47.38.08.48.810.110.910.712.211.011.812.413.113.914.915.20.0
Percentage of Assets0.10.10.10.10.20.20.20.20.20.50.60.60.70.80.80.91.01.11.21.31.41.51.61.71.92.02.12.32.52.62.72.92.93.13.33.53.74.04.30.0
Percentage of Assets dfs:SlcPrivateStudentLoanTrust us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebtAndCapitalLeaseObligations us-gaap:ConsolidatedEntities

srt:ParentCompany


Long
Period End2020-12-312019-12-312018-12-312017-12-31
Value3673363630893012
Percentage of LongTermDebtAndCapitalLeaseObligations17.314.111.311.4
Percentage of Assets3.33.22.83.0
Percentage of Assets srt:ParentCompany24.222.520.920.5

us-gaap:VariableInterestEntityPrimaryBeneficiary


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value9145108041084011425127661393914284
Percentage of LongTermDebtAndCapitalLeaseObligations47.351.451.052.355.053.455.6
Percentage of Assets8.29.59.69.211.212.412.5
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.00.00.00.00.00.00.0

us-gaap:LongTermDebtAndCapitalLeaseObligations us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

dfs:DiscoverBank, dfs:SeniorBankNotes, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312019-12-31
Value6161617262136785
Percentage of LongTermDebtAndCapitalLeaseObligations31.829.429.326.4
Percentage of Assets5.65.45.56.0
Percentage of Assets dfs:DiscoverBank dfs:SeniorBankNotes us-gaap:SeniorNotes0.00.00.00.0

dfs:DiscoverBank, dfs:SubordinatedBankNotes, us-gaap:SubordinatedDebt


Long
Period End2021-06-302021-03-312020-12-312019-12-31
Value511512515996
Percentage of LongTermDebtAndCapitalLeaseObligations2.62.42.43.9
Percentage of Assets0.50.40.50.9
Percentage of Assets dfs:DiscoverBank dfs:SubordinatedBankNotes us-gaap:SubordinatedDebt0.00.00.00.0

dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust, dfs:FixedRateAssetBackedSecurities, us-gaap:SecuredDebt


Long
Period End2021-06-302021-03-312020-12-312019-12-31
Value5683601160418609
Percentage of LongTermDebtAndCapitalLeaseObligations29.428.628.433.5
Percentage of Assets5.15.35.47.6
Percentage of Assets dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust dfs:FixedRateAssetBackedSecurities us-gaap:SecuredDebt0.00.00.00.0

dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust, dfs:FloatingRateAssetBackedSecurities, us-gaap:SecuredDebt


Long
Period End2021-06-302021-03-312020-12-312019-12-31
Value3346467046695515
Percentage of LongTermDebtAndCapitalLeaseObligations17.322.222.021.5
Percentage of Assets3.04.14.14.8
Percentage of Assets dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust dfs:FloatingRateAssetBackedSecurities us-gaap:SecuredDebt0.00.00.00.0

dfs:SlcPrivateStudentLoanTrust, dfs:FloatingRateAssetBackedSecurities, us-gaap:SecuredDebt


Long
Period End2021-06-302021-03-312020-12-312019-12-31
Value116123130160
Percentage of LongTermDebtAndCapitalLeaseObligations0.60.60.60.6
Percentage of Assets0.10.10.10.1
Percentage of Assets dfs:SlcPrivateStudentLoanTrust dfs:FloatingRateAssetBackedSecurities us-gaap:SecuredDebt0.00.00.00.0

srt:ParentCompany, dfs:FixedRateRetailNotes, us-gaap:CorporateDebtSecurities


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value175175336336337338340339339343346346302
Percentage of LongTermDebtAndCapitalLeaseObligations0.90.81.61.51.51.31.31.41.31.31.31.31.1
Percentage of Assets0.20.20.30.30.30.30.30.30.30.30.30.30.3
Percentage of Assets srt:ParentCompany dfs:FixedRateRetailNotes us-gaap:CorporateDebtSecurities0.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:ParentCompany, dfs:FixedRateSeniorNotes, us-gaap:CorporateDebtSecurities


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3358334833373327331633063296328733563347274327352710
Percentage of LongTermDebtAndCapitalLeaseObligations17.415.915.715.214.312.712.813.413.312.710.110.110.3
Percentage of Assets3.02.93.02.72.92.92.93.03.03.02.52.62.7
Percentage of Assets srt:ParentCompany dfs:FixedRateSeniorNotes us-gaap:CorporateDebtSecurities0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebtAndCapitalLeaseObligations us-gaap:ConsolidatedEntities, us-gaap:LongtermDebtType

dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust, us-gaap:SecuredDebt


Long
Period End2021-06-302021-03-312020-12-312019-12-31
Value9029106811071014124
Percentage of LongTermDebtAndCapitalLeaseObligations46.750.850.455.0
Percentage of Assets8.19.49.512.4
Percentage of Assets dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust us-gaap:SecuredDebt0.00.00.00.0

dfs:SlcPrivateStudentLoanTrust, us-gaap:SecuredDebt


Long
Period End2021-06-302021-03-312020-12-312019-12-31
Value116123130160
Percentage of LongTermDebtAndCapitalLeaseObligations0.60.60.60.6
Percentage of Assets0.10.10.10.1
Percentage of Assets dfs:SlcPrivateStudentLoanTrust us-gaap:SecuredDebt0.00.00.00.0

us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:SecuredDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value9145108041084011425127661393914284
Percentage of LongTermDebtAndCapitalLeaseObligations47.351.451.052.355.053.455.6
Percentage of Assets8.29.59.69.211.212.412.5
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary us-gaap:SecuredDebt0.00.00.00.00.00.00.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302008-11-302007-11-30
Value13171121541088410252964396651185911717114931125911130110161088910871108921118711259112651132311347113971131611275113031126311211111341130111381110211080910602104481029998739778917791458940889887038828835882428005752368996456611160387015843559155599
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.910.79.68.28.58.610.410.610.410.210.210.410.610.710.911.512.011.912.312.513.012.813.013.213.313.313.414.014.413.813.614.013.913.513.413.00.012.40.012.30.012.512.012.012.211.910.910.60.00.00.018.30.00.0

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value10884118591113010892
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets9.610.410.210.9
Percentage of Assets srt:ParentCompany71.673.475.574.3

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302008-11-302007-11-30
Value-39.0-7.04593122134-119.0-74.0-83.0-136.0-156.0-160.0-162.0-139.0-152.0-148.0-150.0-155.0-161.0-165.0-174.0-172.0-160.0-180.0-160.0-161.0-138.0-70.0-72.0-70.0-68.0-109.0-107.0-84.0-72.0-75.0-29.0-31.326-43.0-41.016-58.0-48.604-49.0-51.679-19.979-66.358-106.279-82.548-82.297-73.94-74.038-154.818-66.33832
Percentage of StockholdersEquity-0.3-0.10.40.91.31.4-1.0-0.6-0.7-1.2-1.4-1.5-1.5-1.3-1.4-1.3-1.3-1.4-1.4-1.5-1.5-1.5-1.4-1.6-1.4-1.4-1.2-0.6-0.6-0.6-0.6-1.0-1.0-0.8-0.7-0.8-0.3-0.3-0.5-0.5-0.7-0.6-0.6-0.6-0.2-0.9-1.5-1.3-1.3-1.2-1.1-1.8-1.10.6
Percentage of Assets-0.0-0.00.00.10.10.1-0.1-0.1-0.1-0.1-0.1-0.2-0.2-0.1-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.10.0-0.00.0-0.10.0-0.1-0.1-0.1-0.0-0.1-0.2-0.10.00.00.0-0.30.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302008-11-302007-11-30
Value431942804257423542164217420641884167414841304107408940684042401639973979396239463932391338853868385338413790377537583739368736713650363235983593357435703560355532903528351535073492346934523435342835933584357329382846
Percentage of StockholdersEquity32.835.239.141.343.743.635.535.736.336.837.137.337.637.437.135.935.535.335.034.834.534.634.534.234.234.334.033.433.033.934.134.634.935.336.436.738.939.039.840.037.840.042.142.643.646.150.053.256.159.551.142.449.750.8
Percentage of Assets3.93.83.83.43.73.73.73.83.83.73.83.94.04.04.04.14.34.24.34.44.54.44.54.54.54.64.64.74.84.74.64.94.94.84.94.80.04.80.04.90.05.05.15.15.35.55.45.70.00.00.07.80.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302008-11-302007-11-30
Value6.06.06.06.06.06.06.06.06.06.06.06.06.06.06.06.06.06.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.06.05.05.05.05.5265.05.5235.05.5155.05.4975.4955.4845.485.4715.475.4625.465.4484.8054.777
Percentage of StockholdersEquity0.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-06-302012-03-312011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302008-11-302007-11-30
Value105610561056105610565635635635635635635635635635635605605605605605605605605605605605605605605605605605605605605600.00.00.00.00.00.00.00.00.00.00.0116111580.00.0
Percentage of StockholdersEquity8.08.79.710.311.05.84.74.84.95.05.15.15.25.25.25.05.05.04.94.94.94.95.05.05.05.05.05.04.95.15.25.35.45.45.75.70.00.00.00.00.00.00.00.00.00.00.016.613.70.00.0
Percentage of Assets1.00.90.90.80.90.50.50.50.50.50.50.50.50.60.60.60.60.60.60.60.60.60.60.70.70.70.70.70.70.70.70.70.70.70.80.70.00.00.00.00.00.00.00.00.00.00.00.02.50.00.0
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302008-11-302007-11-30
Value229362137319955192921867319175212902072020107194841890618354177871721116687164521598915568151301469614188136981325012880124001193611467111821065910138961191158629813674727373700868776422630359505820535152434763414735803126278725382362387330462717
Percentage of StockholdersEquity174.1175.9183.3188.2193.6198.4179.5176.8174.9173.1169.9166.6163.3158.3153.2147.1142.0138.2133.6129.5124.5121.0117.5114.0110.1106.5103.098.993.792.088.986.082.679.075.775.476.475.271.870.868.465.964.063.659.555.151.948.445.642.033.745.951.548.5
Percentage of Assets20.718.817.715.516.417.018.718.718.217.617.317.317.316.916.716.917.116.416.416.216.215.515.215.014.614.213.813.913.512.712.112.111.510.710.29.80.09.30.08.70.08.37.77.67.26.55.65.10.00.00.08.40.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302008-11-302007-11-30
Value-15107.0-14554.0-14435.0-14430.0-14430.0-14430.0-14087.0-13686.0-13267.0-12806.0-12319.0-11854.0-11394.0-10838.0-10254.0-9699.0-9143.0-8693.0-8173.0-7695.0-7114.0-6688.0-6265.0-5830.0-5395.0-4970.0-4550.0-4151.0-3529.0-3351.0-2986.0-2640.0-2289.0-1951.0-1690.0-1678.0-1381.0-1276.648-1004.0-924.219-484.0-477.048-464.0-462.679-235.443-32.981-32.887-27.883-27.787-25.111-25.025-19.642-8.257-1.419
Percentage of StockholdersEquity-114.7-119.7-132.6-140.8-149.6-149.3-118.8-116.8-115.4-113.7-110.7-107.6-104.6-99.7-94.1-86.7-81.2-77.2-72.2-67.8-62.4-59.1-55.6-51.6-47.9-44.3-40.9-36.7-31.0-30.4-27.6-24.9-21.9-18.9-17.1-17.2-15.0-14.0-11.2-10.4-5.6-5.4-5.6-5.6-2.9-0.4-0.5-0.4-0.5-0.4-0.4-0.2-0.1-0.0
Percentage of Assets-13.6-12.8-12.8-11.6-12.7-12.8-12.4-12.4-12.0-11.6-11.2-11.2-11.1-10.6-10.2-9.9-9.8-9.2-8.9-8.5-8.1-7.6-7.2-6.8-6.4-5.9-5.5-5.2-4.5-4.2-3.8-3.5-3.1-2.6-2.3-2.20.0-1.70.0-1.30.0-0.7-0.7-0.7-0.4-0.1-0.1-0.00.00.00.0-0.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302009-11-30
Value6000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.06000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.06000000.05000000.05000000.05526000.05523000.05515000.05497000.05495000.05484000.05480000.05471000.05448000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302009-11-30
Value431942804257423542164217420641884167414841304107408940684042401639973979396239463932391338853868385338413790377537583739368736713650363235983593357035553528350734923469345234353573
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.93.83.83.43.73.73.73.83.83.73.83.94.04.04.04.14.34.24.34.44.54.44.54.54.54.64.64.74.84.74.64.94.94.84.94.84.84.95.05.15.35.55.45.77.8

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302009-11-30
Value229362137319955192921867319175212902072020107194841890618354177871721116687164521598915568151301469614188136981325012880124001193611467111821065910138961191158629813674727373687763035820524347634147358031263873
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets20.718.817.715.516.417.018.718.718.217.617.317.317.316.916.716.917.116.416.416.216.215.515.215.014.614.213.813.913.512.712.112.111.510.710.29.89.38.78.37.67.26.55.65.18.4

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302009-11-302008-11-30
Value-39.0-7.04593122134-119.0-74.0-83.0-136.0-156.0-160.0-162.0-139.0-152.0-148.0-150.0-155.0-161.0-165.0-174.0-172.0-160.0-180.0-160.0-161.0-138.0-70.0-72.0-70.0-68.0-109.0-107.0-84.0-72.0-75.0-29.0-31.326-43.0-41.016-58.0-48.604-49.0-51.679-19.979-66.358-106.279-82.548-154.818-66.338
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.0-0.00.00.10.10.1-0.1-0.1-0.1-0.1-0.1-0.2-0.2-0.1-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.10.0-0.00.0-0.10.0-0.1-0.1-0.1-0.0-0.1-0.2-0.1-0.30.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302009-11-302008-11-30
Value-227.0-227.0-227.0-214.0-214.0-214.0-214.0-187.0-187.0-187.0-188.0-187.0-187.0-156.0-157.0-145.0-145.0-145.0-145.0-140.0-140.0-140.0-140.0-154.0-154.0-154.0-154.0-101.0-101.0-101.0-101.0-146.0-146.0-146.0-146.0-152.0-115.0-115.348-115.0-115.348-115.0-116.464-116.0-113.572-92.652-92.653-92.653-92.994-93.072-13.119
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax582.13242.9-504.4-230.1-175.4-159.7179.8252.7225.3137.5120.5116.9115.4112.2103.398.096.793.590.184.880.581.487.585.696.295.7111.6144.3140.3144.3148.5133.9136.4173.8202.8202.7396.6368.2267.4281.2198.3239.6236.7219.8463.7139.687.2112.760.119.8
Percentage of Assets-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.1-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.2-0.2-0.2-0.2-0.20.0-0.20.0-0.20.0-0.2-0.2-0.2-0.1-0.1-0.1-0.2-0.20.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value-10.0-11.0-12.0-13.0-16.0-20.0-17.0-16.0-8.010.02243392910.0-2.0-3.0-13.0-20.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax25.6157.1-26.7-14.0-13.1-14.914.321.69.6-7.4-14.1-26.9-24.1-20.9-6.61.42.08.112.5
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.00.00.00.00.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302009-11-302008-11-30
Value1982312843203523681121291124110.0-16.0-14.0-12.0-5.0-1.0-2.0-2.0-3.01418140.01613232320292119332960717482796769526260546224-7.3267.921-61.746-53.219
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-507.7-3300.0631.1344.1288.5274.6-94.1-174.3-134.9-30.1-6.410.08.68.63.30.71.31.31.9-8.5-10.3-8.1-0.0-8.9-8.1-14.3-16.7-28.6-40.3-30.0-27.9-30.3-27.1-71.4-98.6-98.7-282.8-253.8-155.8-169.6-89.7-128.3-122.4-106.2-314.4-37.16.9-9.639.980.2
Percentage of Assets0.20.20.30.30.30.30.10.10.10.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.00.10.00.10.00.10.10.10.10.0-0.00.0-0.10.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value-39.0-7.04593122134-119.0-74.0-83.0-136.0-156.0-160.0-162.0-139.0-152.0-148.0-150.0-161.0-160.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.0-0.00.00.10.10.1-0.1-0.1-0.1-0.1-0.1-0.2-0.2-0.1-0.2-0.2-0.2-0.2-0.2
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302009-11-30
Value151071455414435144301443014430140871368613267128061231911854113941083810254969991438693817376957114668862655830539549704550415135293351298626402289195116901678127692447746223532322719
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.612.812.811.612.712.812.412.412.011.611.211.211.110.610.29.99.89.28.98.58.17.67.26.86.45.95.55.24.54.23.83.53.12.62.32.21.71.30.70.70.40.10.10.00.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2020-12-312020-09-302020-06-30
Value0.00.0493
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.0100.0
Percentage of Assets0.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:PreferredStock


Stock
Period End2020-12-312020-09-302020-06-30
Value0.00.0493
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.0100.0
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:PreferredStock0.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value154815081633129615871680146481915782335761160615861238162449210107975569761279116526213081135
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating59.857.059.248.359.456.348.226.953.079.526.257.760.248.263.529.761.449.234.862.182.477.817.184.372.8

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value-1247.061883696-5575.09962397-3055.0-6030.0-4421.0-1768.0-5814.0-3036.0-2645.0916-4287.0-2852.5181130-4139.953-2246.12-1635.963-99.514-4144.037-1119.1291654-1114.515
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-48.2233.9133.9-207.937.380.4-100.5-198.4-148.5-60.2-200.0-109.2-100.335.7-167.7-172.368.6-255.6-140.5-104.0-6.4-276.4-72.9106.6-71.5

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value-4607.0-611.0-1829.0-799.013731702443-30.0-1017.0-499.035892120-120.0155715221157132422341874-739.361-1106.877160-1563.464-5356.026-312.985
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-177.9-23.1-66.3-29.851.45.780.4-1.0-34.2-17.0123.576.2-4.660.659.569.980.4138.0117.2-47.0-71.310.7-101.8-345.2-20.1

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value207232-72.0-69.0-291.0-240.0-38.0-45.0-31.0-19.0-87.0282523168-9.042121-12.0-13.0012833193810886-119.84114594112497885-100.918
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value154815081633129615871680146481915782335761160615861238162449210107975569761279116526213081135
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating59.857.059.248.359.456.348.226.953.079.526.257.760.248.263.529.761.449.234.862.182.477.817.184.372.8

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
Value16981593799771-368.0-61.0708770753726687720669666387602546564563639616575500612599586404644644631602593602673170551637626525536650631164512648600464349260258-103.538352577225120
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating65.660.228.928.8-13.8-2.023.325.325.324.723.625.925.425.915.124.323.424.824.929.329.527.624.330.530.830.420.533.434.634.432.733.234.939.428.632.337.337.031.932.439.638.30.031.640.638.229.923.317.016.6-6.655.269.326.314.8

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value16981593799771-368.0-61.0708770753726687720669666387602546564563639616575500612599586404644644631602593602673170550637626525536650631512648600464349260258-103.538
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating65.660.228.928.8-13.8-2.023.325.325.324.723.625.925.425.915.124.323.424.824.929.329.527.624.330.530.830.420.533.434.634.432.733.234.939.428.632.337.337.031.932.439.638.331.640.638.229.923.317.016.6-6.6
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value-1247.061883696-5575.09962397-3055.0-6030.0-4421.0-1768.0-5814.0-3036.0-2645.0916-4287.0-2852.5181130-4139.953-2246.12-1635.963-99.514-4144.037-1119.1291654-1114.515
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-48.2233.9133.9-207.937.380.4-100.5-198.4-148.5-60.2-200.0-109.2-100.335.7-167.7-172.368.6-255.6-140.5-104.0-6.4-276.4-72.9106.6-71.5

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value5641555394597261698277596058575856474746404649314741432930435460585913394748322931264120341525129.6357.826
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value-4607.0-611.0-1829.0-799.013731702443-30.0-1017.0-499.035892120-120.0155715221157132422341874-739.361-1106.877160-1563.464-5356.026-312.985
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-177.9-23.1-66.3-29.851.45.780.4-1.0-34.2-17.0123.576.2-4.660.659.569.980.4138.0117.2-47.0-71.310.7-101.8-345.2-20.1

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value5531195.00.00.034340141946148746546055658455555645052047858142642343543542542039962217836534634934026112402377352270447270142272020.0945.0040.0962.6760.0865.383
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Debt Instrument Interest Rate Stated Percentage

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

us-gaap:DebtInstrumentInterestRateStatedPercentage

dfs:SlcPrivateStudentLoanTrust, dfs:FloatingRateAssetBackedSecurities, us-gaap:SecuredDebt


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4.250.04250.04250.05750.060.0650.0650.0650.0625
Percentage of DebtInstrumentInterestRateStatedPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations dfs:SlcPrivateStudentLoanTrust dfs:FloatingRateAssetBackedSecurities us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.0

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

dfs:DiscoverBank, srt:Maximum, dfs:SeniorBankNotes, us-gaap:SeniorNotes


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4.650.04650.04650.04650.04650.04650.04650.04650.0465
Percentage of DebtInstrumentInterestRateStatedPercentage109.4109.4109.480.977.571.571.571.574.4
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations dfs:DiscoverBank srt:Maximum dfs:SeniorBankNotes us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.0

dfs:DiscoverBank, srt:Maximum, dfs:SubordinatedBankNotes, us-gaap:SubordinatedDebt


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4.680.04680.070.070.0870.0870.0870.0870.087
Percentage of DebtInstrumentInterestRateStatedPercentage110.1110.1164.7121.7145.0133.8133.8133.8139.2
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations dfs:DiscoverBank srt:Maximum dfs:SubordinatedBankNotes us-gaap:SubordinatedDebt0.00.00.00.00.00.00.00.00.0

dfs:DiscoverBank, srt:Minimum, dfs:SeniorBankNotes, us-gaap:SeniorNotes


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2.450.02450.02450.02450.02450.0310.0310.0310.026
Percentage of DebtInstrumentInterestRateStatedPercentage57.657.657.642.640.847.747.747.741.6
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations dfs:DiscoverBank srt:Minimum dfs:SeniorBankNotes us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.0

dfs:DiscoverBank, srt:Minimum, dfs:SubordinatedBankNotes, us-gaap:SubordinatedDebt


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4.680.04680.04680.04680.04680.04680.04680.04680.0468
Percentage of DebtInstrumentInterestRateStatedPercentage110.1110.1110.181.478.072.072.072.074.9
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations dfs:DiscoverBank srt:Minimum dfs:SubordinatedBankNotes us-gaap:SubordinatedDebt0.00.00.00.00.00.00.00.00.0

dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust, srt:Maximum, dfs:FixedRateAssetBackedSecurities, us-gaap:SecuredDebt


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3.320.03320.03320.03320.03320.03320.03320.03320.0311
Percentage of DebtInstrumentInterestRateStatedPercentage78.178.178.157.755.351.151.151.149.8
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust srt:Maximum dfs:FixedRateAssetBackedSecurities us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.0

dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust, srt:Maximum, dfs:FloatingRateAssetBackedSecurities, us-gaap:SecuredDebt


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.750.00780.0130.02460.02630.02990.03080.03110.0276
Percentage of DebtInstrumentInterestRateStatedPercentage17.618.430.642.843.846.047.447.844.2
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust srt:Maximum dfs:FloatingRateAssetBackedSecurities us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.0

dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust, srt:Minimum, dfs:FixedRateAssetBackedSecurities, us-gaap:SecuredDebt


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1.850.01850.01850.01850.01390.01390.01390.01390.0139
Percentage of DebtInstrumentInterestRateStatedPercentage43.543.543.532.223.221.421.421.422.2
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust srt:Minimum dfs:FixedRateAssetBackedSecurities us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.0

dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust, srt:Minimum, dfs:FloatingRateAssetBackedSecurities, us-gaap:SecuredDebt


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.380.00410.00930.01970.02260.02620.02710.02690.0239
Percentage of DebtInstrumentInterestRateStatedPercentage8.99.621.934.337.740.341.741.438.2
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust srt:Minimum dfs:FloatingRateAssetBackedSecurities us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.0

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:ConsolidatedEntities, us-gaap:Range, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust, srt:Maximum, dfs:FloatingRateAssetBackedSecurities, us-gaap:SecuredDebt


Debt
Period End2021-06-302021-03-312020-12-31
Value0.670.710.76
Percentage of DebtInstrumentInterestRateStatedPercentage0.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust srt:Maximum dfs:FloatingRateAssetBackedSecurities us-gaap:SecuredDebt0.00.00.0

dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust, srt:Minimum, dfs:FixedRateAssetBackedSecurities, us-gaap:SecuredDebt


Debt
Period End2021-06-302021-03-312020-12-31
Value1.891.851.85
Percentage of DebtInstrumentInterestRateStatedPercentage0.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust srt:Minimum dfs:FixedRateAssetBackedSecurities us-gaap:SecuredDebt0.00.00.0

dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust, srt:Minimum, dfs:FloatingRateAssetBackedSecurities, us-gaap:SecuredDebt


Debt
Period End2021-06-302021-03-312020-12-31
Value0.40.340.39
Percentage of DebtInstrumentInterestRateStatedPercentage0.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations dfs:DiscoverCardMasterTrustIAndDiscoverCardExecutionNoteTrust srt:Minimum dfs:FloatingRateAssetBackedSecurities us-gaap:SecuredDebt0.00.00.0

srt:ParentCompany, srt:Maximum, dfs:FixedRateRetailNotes, us-gaap:CorporateDebtSecurities


Debt
Period 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
Value4.44.44.64.60.0460.0460.0460.0460.0460.0460.0460.046
Percentage of DebtInstrumentInterestRateStatedPercentage0.00.00.0108.2108.2108.280.076.770.870.870.873.6
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:ParentCompany srt:Maximum dfs:FixedRateRetailNotes us-gaap:CorporateDebtSecurities0.00.00.00.00.00.00.00.00.00.00.00.0

srt:ParentCompany, srt:Maximum, dfs:FixedRateSeniorNotes, us-gaap:CorporateDebtSecurities


Debt
Period 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
Value5.25.25.25.20.0520.0520.0520.0520.10250.10250.10250.1025
Percentage of DebtInstrumentInterestRateStatedPercentage0.00.00.0122.4122.4122.490.486.7157.7157.7157.7164.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:ParentCompany srt:Maximum dfs:FixedRateSeniorNotes us-gaap:CorporateDebtSecurities0.00.00.00.00.00.00.00.00.00.00.00.0

srt:ParentCompany, srt:Minimum, dfs:FixedRateRetailNotes, us-gaap:CorporateDebtSecurities


Debt
Period 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
Value2.852.852.852.850.02850.02850.02850.02850.02850.02850.02850.0285
Percentage of DebtInstrumentInterestRateStatedPercentage0.00.00.067.167.167.149.647.543.843.843.845.6
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:ParentCompany srt:Minimum dfs:FixedRateRetailNotes us-gaap:CorporateDebtSecurities0.00.00.00.00.00.00.00.00.00.00.00.0

srt:ParentCompany, srt:Minimum, dfs:FixedRateSeniorNotes, us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3.753.753.753.750.03750.03750.03750.03750.03750.03750.03750.0375
Percentage of DebtInstrumentInterestRateStatedPercentage0.00.00.088.288.288.265.262.557.757.757.760.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:ParentCompany srt:Minimum dfs:FixedRateSeniorNotes us-gaap:CorporateDebtSecurities0.00.00.00.00.00.00.00.00.00.00.00.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value23.623.41.919.60.2020.220.0020.2250.2380.219-0.0010.2550.2370.2220.0560.3330.3710.350.0050.3350.3140.37100.3720.3640.3550.0010.3620.3660.383-0.0050.3730.3860.3770.381-0.0050.380.3810.3790.3810.3790.3780.0020.380.3520.3540.0040.3970.3890.393
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312012-11-302011-11-302010-11-302009-11-30
Value21539338386251033956110510261340134513871586997
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312012-11-302011-11-302010-11-302009-11-302008-11-302007-11-30
Value566183123158286635629575573506373305285248
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-11-302010-11-30
Value1.01.01.03.02.02.041370.00.022
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0

dfs:AggregateTransactionVolume us-gaap:GuaranteeObligationsByNature

dfs:AggregateTransactionVolume

dfs:MerchantChargebackGuarantees


Aggregate
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value551234748749812461283812340963465414433242831387594211040806399773601738532364803588532654
Percentage of AggregateTransactionVolume100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:Amortizationofdeferredrevenuesandaccretionofaccretableyieldonacquiredloans

dfs:Amortizationofdeferredrevenuesandaccretionofaccretableyieldonacquiredloans


Amortizationofdeferredrevenuesandaccretionofaccretableyieldonacquiredloans
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value7074758079861101101001011011049710110010497989710010098103108108113116119120119
Percentage of Amortizationofdeferredrevenuesandaccretionofaccretableyieldonacquiredloans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:ChangeinEffectiveIncomeTaxRate

dfs:ChangeinEffectiveIncomeTaxRate


Changein
Period End2021-06-302021-03-312019-12-312019-09-302018-12-312018-09-302018-06-302015-12-312015-09-302015-06-30
Value3.41.40.003-0.03-0.057-0.078-0.134-0.0130.01-0.002
Percentage of ChangeinEffectiveIncomeTaxRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:ChangeinIncomeTaxExpenseBenefitAmount

dfs:ChangeinIncomeTaxExpenseBenefitAmount


Changein
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-30
Value617503-1168.036-327.026-302.0-54.0-113.0192-21.039
Percentage of ChangeinIncomeTaxExpenseBenefitAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:CumulativeEffectofASUNo.201613Adoption

dfs:CumulativeEffectofASUNo.201613Adoption


Cumulative
Period End2020-09-302020-06-302020-03-312020-01-01
Value38040.0-1902.02461
Percentage of CumulativeEffectofASUNo.201613Adoption100.00.0100.0100.0

dfs:CumulativeEffectofASUNo.201613Adoption us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Cumulative
Period End2020-09-302020-06-302020-03-31
Value38040.0-1902.0
Percentage of CumulativeEffectofASUNo.201613Adoption100.00.0100.0

dfs:CustomerRewardsandIssuerInterchange

dfs:CustomerRewardsandIssuerInterchange


Customer
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value598525500514385478500520460446500473461392400417388363
Percentage of CustomerRewardsandIssuerInterchange100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:DiscountAndInterchangeRevenue

dfs:DiscountAndInterchangeRevenue


Discount
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value33924124223823721628125529923127728026325428325827823325426326527326328829826810329532725427927630826382239253265273265240264274282265260250273269261
Percentage of DiscountAndInterchangeRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:DiscountAndInterchangeRevenue us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccountingStandardsUpdate201409


Discount
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value339241242238237216281255299231277280263254283258278233
Percentage of DiscountAndInterchangeRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:DiscountAndInterchangeRevenue us-gaap:ConsolidationItems, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, us-gaap:AccountingStandardsUpdate201409, dfs:DirectBanking


Discount
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value320226225222197262238283217264266250242272246
Percentage of DiscountAndInterchangeRevenue94.493.894.593.791.293.293.394.693.995.395.095.195.396.195.3

us-gaap:OperatingSegments, us-gaap:AccountingStandardsUpdate201409, dfs:PaymentServices


Discount
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value19151513151919171614131413121112
Percentage of DiscountAndInterchangeRevenue5.66.26.25.56.38.86.86.75.46.14.75.04.94.73.94.7

dfs:EstimatedGrossInterestIncomeBasedOnOriginalTerms us-gaap:FinancingReceivablePortfolioSegment

dfs:EstimatedGrossInterestIncomeBasedOnOriginalTerms

us-gaap:CreditCardReceivables


Estimated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value7.08.08.07.08.010.011121112139.010.09.09.09.09.08.08.08.07.08.09.08.07.07.07.07.0
Percentage of EstimatedGrossInterestIncomeBasedOnOriginalTerms100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:FeesAccruedSubsequentlyChargedOffNetOfRecoveries

dfs:FeesAccruedSubsequentlyChargedOffNetOfRecoveries


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value212322273335332930312826282724202322201517171816172019161717151414165.0141514171719191922283544587792
Percentage of FeesAccruedSubsequentlyChargedOffNetOfRecoveries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:FinancingReceivablesModificationsEnteringProgramConvertedfromRevolvingLineofCreditArrangementtoTermLoan us-gaap:FinancingReceivablePortfolioSegment

dfs:FinancingReceivablesModificationsEnteringProgramConvertedfromRevolvingLineofCreditArrangementtoTermLoan

us-gaap:CreditCardReceivables


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value88128141143176210405173173163
Percentage of FinancingReceivablesModificationsEnteringProgramConvertedfromRevolvingLineofCreditArrangementtoTermLoan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:FinancingReceivablesModificationsEnteringProgramRecordedInvestment us-gaap:FinancingReceivablePortfolioSegment

dfs:FinancingReceivablesModificationsEnteringProgramRecordedInvestment

us-gaap:CreditCardReceivables


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value94135147150191609598623551592526444363380274164157181163149118135
Percentage of FinancingReceivablesModificationsEnteringProgramRecordedInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:FinancingReceivablesModificationsEnteringProgramRecordedInvestment us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

dfs:TotalOtherLoans, dfs:PersonalLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value11173133173437393635322723292620181814141212
Percentage of FinancingReceivablesModificationsEnteringProgramRecordedInvestment11.712.621.122.08.95.66.26.36.55.96.16.16.37.69.512.211.59.98.69.410.28.9

dfs:TotalOtherLoans, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3.02.03.02.01.03232313031201721161717181718194.08.0
Percentage of FinancingReceivablesModificationsEnteringProgramRecordedInvestment3.21.52.01.30.55.35.45.05.45.23.83.85.84.26.210.411.59.411.012.83.45.9

dfs:InterestAndFeesAccruedSubsequentlyChargedOffNetOfRecoveries

dfs:InterestAndFeesAccruedSubsequentlyChargedOffNetOfRecoveries


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value809591114136143133127128127114109110109958787847465676968657075726970726766707726727576879299103108128163188210219236267
Percentage of InterestAndFeesAccruedSubsequentlyChargedOffNetOfRecoveries100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:InterestAndFeesForgivenDueToLoanModificationProgram us-gaap:FinancingReceivablePortfolioSegment

dfs:InterestAndFeesForgivenDueToLoanModificationProgram

us-gaap:CreditCardReceivables


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value1413182120191717131211129.010.010.0119.08.07.09.0111111111211
Percentage of InterestAndFeesForgivenDueToLoanModificationProgram100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:InterestAndFeesForgivenDueToLoanModificationProgram us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CreditCardReceivables, us-gaap:CreditCardReceivables


Interest
Period End2021-06-302021-03-312020-06-302020-03-31
Value9.0121821
Percentage of InterestAndFeesForgivenDueToLoanModificationProgram0.00.0100.0100.0

dfs:Loanfeeincome

dfs:Loanfeeincome


Loanfeeincome
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1051071101008511912312010210410810395969695
Percentage of Loanfeeincome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:Loanfeeincome us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, dfs:DirectBanking


Loanfeeincomeus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1051071008511912312010210410810395969695
Percentage of Loanfeeincome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:NetIncomeLossAllocatedToCommonStockholders

dfs:NetIncomeLossAllocatedToCommonStockholders


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value751-369.0-78.0704749747705681699663646359589532551550625602562488599586573392630630618588579588659168541631620520531644624162507641600459346258186-122.233
Percentage of NetIncomeLossAllocatedToCommonStockholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:NetIncomeLossAvailableToCommonStockholdersInclParticipatingSecurities

dfs:NetIncomeLossAvailableToCommonStockholdersInclParticipatingSecurities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value16981554794751-369.0-78.0704749747705
Percentage of NetIncomeLossAvailableToCommonStockholdersInclParticipatingSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:NoninterestIncomenotSubjecttoASC606

dfs:NoninterestIncomenotSubjecttoASC606


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value83410711110012815512012010210410810395969698
Percentage of NoninterestIncomenotSubjecttoASC606100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:NoninterestIncomenotSubjecttoASC606 us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, dfs:DirectBanking


Noninterest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1051071008511912012010210410810395969698
Percentage of NoninterestIncomenotSubjecttoASC60612.6100.0100.066.476.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, dfs:PaymentServices


Noninterest
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7290.00.043360.00.00.00.00.00.00.00.00.00.0
Percentage of NoninterestIncomenotSubjecttoASC60687.40.00.033.623.20.00.00.00.00.00.00.00.00.00.0

dfs:PercentageOfDefaultedLoansThatChargedOff

dfs:PercentageOfDefaultedLoansThatChargedOff


Percentage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-28
Value68.068.01.065.00.610.400.370.390.390.010.340.340.3700.370.390.3800.390.340.37-0.010.360.450.43-0.010.340.390.34-0.020.330.470.450.39-0.010.430.450.440.50.420.460.010.420.420.34
Percentage of PercentageOfDefaultedLoansThatChargedOff100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:Protectionproductsrevenue

dfs:Protectionproductsrevenue


Protectionproductsrevenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4343454444474848494950515053
Percentage of Protectionproductsrevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:Protectionproductsrevenue us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccountingStandardsUpdate201409


Protectionproductsrevenueus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4343454444474848494950515053
Percentage of Protectionproductsrevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:Protectionproductsrevenue us-gaap:ConsolidationItems, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, us-gaap:AccountingStandardsUpdate201409, dfs:DirectBanking


Protectionproductsrevenueus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value43434444474848494950515053
Percentage of Protectionproductsrevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:TotalAmountsofLineItemsPresentedintheStatementsofIncome us-gaap:IncomeStatementLocation

dfs:TotalAmountsofLineItemsPresentedintheStatementsofIncome

us-gaap:OtherIncome


Total
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value6.02317142817232228242024291824
Percentage of TotalAmountsofLineItemsPresentedintheStatementsofIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:TotalAmountsofLineItemsPresentedintheStatementsofIncome us-gaap:IncomeStatementLocation, us-gaap:UnderlyingAssetClass

us-gaap:InterestExpense, us-gaap:Deposits


Total
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-170.0-193.0-287.0-340.0-373.0-393.0-407.0-401.0-386.0-360.0-329.0-287.0-262.0-238.0-218.0
Percentage of TotalAmountsofLineItemsPresentedintheStatementsofIncome-2833.3-839.1-1688.2-2428.6-1332.1-2311.8-1769.6-1822.7-1378.6-1500.0-1645.0-1195.8-903.4-1322.2-908.3

us-gaap:InterestExpense, us-gaap:LongTermDebt


Total
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-120.0-123.0-126.0-142.0-211.0-222.0-231.0-244.0-246.0-245.0-229.0-220.0-207.0
Percentage of TotalAmountsofLineItemsPresentedintheStatementsofIncome-2000.0-534.8-741.2-1014.3-753.6-1305.9-1004.3-1109.1-878.6-1020.8-1145.0-916.7-713.8

us-gaap:InterestIncome, us-gaap:CreditCardReceivables


Total
Period End2021-03-312020-06-30
Value21542173
Percentage of TotalAmountsofLineItemsPresentedintheStatementsofIncome9365.215521.4

dfs:TransactionProcessingRevenue

dfs:TransactionProcessingRevenue


Transaction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value5851525049445152484646474243434342394040393638394042464646444646475318545859565249524843454240403632
Percentage of TransactionProcessingRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:TransactionProcessingRevenue us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccountingStandardsUpdate201409


Transaction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value585152504944515248464647424343434239
Percentage of TransactionProcessingRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:TransactionProcessingRevenue us-gaap:ConsolidationItems, us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, us-gaap:AccountingStandardsUpdate201409, dfs:PaymentServices


Transaction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value58515250494451524846464742434343
Percentage of TransactionProcessingRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetImpairmentCharges

us-gaap:FairValueMeasurementsNonrecurring


Asset
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value920.0590.00.00.00.00.00.00.0
Percentage of AssetImpairmentCharges100.00.0100.00.00.00.00.00.00.00.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-4306.070853500-5078.039564247852-5241.0-3860.068-1464.0690-1179.03711-1141.01485-3220.04254
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths us-gaap:IncomeStatementLocation

us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

us-gaap:InterestExpense


Cash
Period End2021-06-302021-03-312020-12-31
Value03000000.0-1000000.0
Percentage of CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths0.0100.0100.0

us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1 us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation, us-gaap:UnderlyingAssetClass

us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1

us-gaap:InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument, us-gaap:InterestExpense, us-gaap:LongTermDebt


Change
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.0-30.0-11.0-9.038405-56.012744265-14.0-22.0-52.0
Percentage of ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation, us-gaap:UnderlyingAssetClass

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1

us-gaap:InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument, us-gaap:InterestExpense, us-gaap:LongTermDebt


Change
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4478585911-396.056-20.0-85.0-55.0-79.02.01148
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommunicationsAndInformationTechnology

us-gaap:CommunicationsAndInformationTechnology


Communications
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value145109198111117114113961019993898682807877808181898887849088888787848981857825787168717172706863666467626365
Percentage of CommunicationsAndInformationTechnology100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock

us-gaap:DividendsCommonStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value13513613613713413613814213013213513812212612813011511712012211611812112312510811011211395979871505253533233331110101010
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-11-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value13513613613713413613814213013213513812212612813011511712012211611812112312510811011211395979871505253533233331110101010
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStock

us-gaap:DividendsPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-11-302011-08-312011-05-312010-11-302010-08-312010-05-312010-02-28
Value0.0390.0150.0160.0150.0160.0150.0169.09.010.09.09.09.010.09.09.09.010.09.09.09.010.09.09.09.010.09.00.00.00.00.00.00.00.00.00.08.50415
Percentage of DividendsPreferredStock0.0100.00.0100.00.0100.00.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.0100.0100.0

us-gaap:DividendsPreferredStock us-gaap:StatementClassOfStock

us-gaap:SeriesDPreferredStock


Dividends
Period End2021-03-31
Value23
Percentage of DividendsPreferredStock59.0

us-gaap:DividendsPreferredStock us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:SeriesCPreferredStock, us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value0.0160.0150.0160.015
Percentage of DividendsPreferredStock0.041.00.0100.00.0100.00.0100.0

us-gaap:SeriesDPreferredStock, us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-31
Value0.023
Percentage of DividendsPreferredStock0.059.0

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss


Equity
Period End2021-06-30
Value729
Percentage of EquitySecuritiesFvNiUnrealizedGainLoss100.0

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, dfs:PaymentServices


Equity
Period End2021-06-30
Value729
Percentage of EquitySecuritiesFvNiUnrealizedGainLoss100.0

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
Value456537531668767769751702718715
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CreditCardReceivables


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value412474463604688683644611623616
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery90.488.387.290.489.788.885.887.086.886.2

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

dfs:TotalOtherLoans, dfs:OtherLoans


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.01.00.00.00.01.00.00.0
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery0.00.10.00.00.00.10.00.0

dfs:TotalOtherLoans, dfs:PersonalLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value31495049646982768084
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery6.89.19.47.38.39.010.910.811.111.7

dfs:TotalOtherLoans, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value13141814151725141515
Percentage of FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery2.92.63.42.12.02.23.32.02.12.1

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312011-05-31
Value-321.0-879.00.00.013003500576
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease100.0100.00.00.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-03-312011-11-302011-08-31
Value23221017817418320619018918017215314314013412812412512211311812112111411612211410911611811811712513513641135141145150153142149
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CreditCardReceivables


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value208189158155164186174173166158138131129123116116116113105111114113106109116109105111
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery89.790.088.889.189.690.391.691.592.291.990.291.692.191.890.693.592.892.692.994.194.293.493.094.095.195.696.395.7

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

dfs:TotalOtherLoans, dfs:PersonalLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value17151513141513131110.0129.08.08.08.06.07.06.06.05.05.05.05.05.04.03.03.03.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery7.37.18.47.57.77.36.86.96.15.87.86.35.76.06.24.85.64.95.34.24.14.14.44.33.32.62.82.6

dfs:TotalOtherLoans, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7.06.05.06.05.05.03.03.03.04.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery3.02.92.83.42.72.41.61.61.72.3

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-31
Value68874770984295097594189189888783978578976971165164561154848850549347244046947446444045544742141645344915643544445348549851152153160873282192310221121
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CreditCardReceivables


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value620663621759852869818784789774713674684663612555561535474425448439415394423428413400
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs90.188.887.690.189.789.186.988.087.987.385.085.986.786.286.185.387.087.686.587.188.789.087.989.590.290.389.090.9

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

dfs:TotalOtherLoans, dfs:OtherLoans


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.01.00.00.00.01.00.00.05.00.01.00.00.00.01.02.00.00.00.00.01.00.00.00.02.00.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.00.10.00.00.00.10.00.00.60.00.10.00.00.00.20.30.00.00.00.00.20.00.00.00.40.0

dfs:TotalOtherLoans, dfs:PersonalLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value48646562788495899194988680817664615749463839363131313126
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs7.08.69.27.48.28.610.110.010.110.611.711.010.110.510.79.89.59.38.99.47.57.97.67.06.66.56.75.9

dfs:TotalOtherLoans, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value20202320202228171819
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs2.92.73.22.42.12.33.01.92.02.1

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1 us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1

us-gaap:CreditCardReceivables


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value27364152661171161099590836049474848434439362325
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1 us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

dfs:TotalOtherLoans, dfs:PersonalLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value5.07.010.09.09.0181715141313118.08.09.06.04.04.03.03.03.02.0
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment118.519.424.417.313.615.414.713.814.714.415.718.316.317.018.812.59.39.17.78.313.08.0

dfs:TotalOtherLoans, us-gaap:StudentLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1.02.04.06.05.07.08.08.06.05.06.05.03.05.05.05.03.03.03.03.03.03.0
Percentage of FinancingReceivableModificationsSubsequentDefaultRecordedInvestment13.75.69.811.57.66.06.97.36.35.67.28.36.110.610.410.47.06.87.78.313.012.0

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GainLossOnDispositionOfAssets1


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value718-10.0-14.0-11.02823-7.0-9.0-11.0-10.0-12.0-11.0-11.0-11.0-13.0-15.0-13.0-14.0-17.0-14.0-13.0-13.0-13.0-10.0133614121713
Percentage of GainLossOnDispositionOfAssets1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnFairValueHedgesRecognizedInEarnings us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation, us-gaap:UnderlyingAssetClass

us-gaap:GainLossOnFairValueHedgesRecognizedInEarnings

us-gaap:InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument, us-gaap:InterestExpense, us-gaap:LongTermDebt


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value45484750499.00.0-8.0-11.0-13.0-14.0-12.0-11.0-4.0
Percentage of GainLossOnFairValueHedgesRecognizedInEarnings100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill

us-gaap:TradeNames


Impairment
Period End2021-06-302020-06-30
Value9236
Percentage of ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill100.0100.0

us-gaap:IncreaseDecreaseInDeposits

us-gaap:IncreaseDecreaseInDeposits


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value-2274.0-165.0-1117.0644393866317141276809114640751986562233826243271-671.01529275171958925997287-107.0333706947-542.026185053920618765-162.1152837441180139497056219942345360442166-775.17-1006.3362958
Percentage of IncreaseDecreaseInDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value601509417641-429.016910.0-6.0295014761-251.044362178-181.0291-15.0-122.0339270354014424294114026-2.08868-17.661135125012216-5.455425-101.79543-29.28-29.88590170
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-30
Value49120294-46.0167-279.086-727.028822-711.0303210-351.058135524-338.0439259-653.0189167106-327.021611377-351.023417-585.0-318.0617-1.0101556205203-145.409-68.0187242-320.72957369215
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestAndDividendIncomeOperating


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
Value2589264627602681267229823039304029772937290727812636256925562476233822782258218420902084206120081947192919741926186318331842178717271708595170617081694164616551641164616191599157315521499153515511559638833857815
Percentage of InterestAndDividendIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndDividendIncomeSecurities

us-gaap:InterestAndDividendIncomeSecurities


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value475081585558595339281710.06.07.07.06.07.07.08.09.010.0111311121317171716191619207.02121212119181716151412105.5745.0645.328
Percentage of InterestAndDividendIncomeSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndFeeIncomeLoansConsumerInstallmentCreditCard

us-gaap:InterestAndFeeIncomeLoansConsumerInstallmentCreditCard


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value2105215422252171217324162467246523962362234822582139209020892026191618761876181217341733172416761620160616491613156015371551151314631451510145414611451141114211414142314101423140314171412145514751491
Percentage of InterestAndFeeIncomeLoansConsumerInstallmentCreditCard100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndFeeIncomeLoansOtherConsumer

us-gaap:InterestAndFeeIncomeLoansOtherConsumer


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value4314374484464394844824724604574514374214174144003793673573473313263173143083043032912822752672552412347822522221721021020520219015715111970676252
Percentage of InterestAndFeeIncomeLoansOtherConsumer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseDeposits

us-gaap:InterestExpenseDeposits


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value17019323128734037339340740138636032928726223821819919118117816616215915715515215715315115315916918418665194201204210216224228237241251256267279298305
Percentage of InterestExpenseDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseDomesticDepositLiabilitiesWithdrawalPenalties

us-gaap:InterestExpenseDomesticDepositLiabilitiesWithdrawalPenalties


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value01000000.01000000.01000000.01000000.001000000.01000000.01000000.01000000.01000000.01000000.01000000.00
Percentage of InterestExpenseDomesticDepositLiabilitiesWithdrawalPenalties0.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:InterestExpenseShortTermBorrowings

us-gaap:InterestExpenseShortTermBorrowings


Interest
Period End2020-12-312020-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value293.00.00.00.00.00.00.00.01.01.00.00.01.00.01.01.01.00.00.5761.00.4230.00.00.00.0010.0170.0330.0370.0460.0010.00.00.0
Percentage of InterestExpenseShortTermBorrowings100.0100.00.00.00.00.00.00.00.0100.0100.00.00.0100.00.0100.0100.0100.00.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value21642695184615151445911588160315451496150214811387134914411376129813061314138013391326124813531330123912151284122912911215117611901251314105612511243105210821208114193911371017752741434422-241.78
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value49850650447145246744743942742541440840040541137136736335234234034533333732633131432030130729729228529087277275274253249246246229241229213200204202195
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossContingencyDamagesAwardedValue us-gaap:LitigationCase, us-gaap:LossContingenciesByNatureOfContingency

us-gaap:LossContingencyDamagesAwardedValue

dfs:ConsumerFinancialProtectionBureauConsentOrder, us-gaap:UnfavorableRegulatoryAction


Loss
Period End2020-12-222015-07-22
Value252.5
Percentage of LossContingencyDamagesAwardedValue100.0100.0

us-gaap:NoninterestExpense

us-gaap:NoninterestExpense


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
Value1222108112781005107711591184110710781024111010159849681036948912885897895906886933882927873932827797784838783820753240800841825758748672677217668642635595628566513474607523560559
Percentage of NoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, dfs:DirectBanking


Noninterest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-12-31
Value1092104796998211181134106910399891059979948932995909876849846857868851887838884828858776748735224
Percentage of NoninterestExpense89.496.996.491.296.595.896.696.496.695.496.596.396.396.095.996.195.994.395.895.896.095.195.095.494.892.193.893.993.893.3

us-gaap:OperatingSegments, dfs:PaymentServices


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-12-31
Value130345536954150383935513636364139363651383835464443457451494916
Percentage of NoninterestExpense10.63.14.33.68.83.54.23.43.63.44.63.53.73.74.04.13.94.15.74.24.24.04.95.04.65.27.96.26.16.26.7

us-gaap:NoninterestIncome

us-gaap:NoninterestIncome


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-282009-11-302009-08-312009-05-312009-02-28
Value12804654474494724905204985204585055014744754944754814474664764654744735035395423655525835155605536115822006046185945525335115492115465515435624725455125451248132310821190
Percentage of NoninterestIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestIncome us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, dfs:DirectBanking


Noninterest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-12-31
Value458379371354366431409436372432421398394423401408375401408396406408435468468286475503436169
Percentage of NoninterestIncome35.881.582.675.074.782.982.183.881.285.584.084.082.985.684.484.883.986.185.785.285.786.386.586.886.378.486.186.384.784.5

us-gaap:OperatingSegments, dfs:PaymentServices


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-12-31
Value82286797811812489898486738076817174737265686968656871747977807931
Percentage of NoninterestIncome64.218.517.717.425.025.317.117.916.218.814.516.016.017.114.415.615.216.113.914.314.814.313.713.513.213.721.613.913.715.315.5

us-gaap:NoninterestIncomeOther

us-gaap:NoninterestIncomeOther


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value6.023-3.017142817232228242024291821222820222324242527323129303147384143198.753398036333839263242601.018272832
Percentage of NoninterestIncomeOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestIncomeOther us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccountingStandardsUpdate201409


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value6.023-3.0171428202322282420242918212228
Percentage of NoninterestIncomeOther100.0100.0100.0100.0100.0100.0117.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, us-gaap:AccountingStandardsUpdate201409, dfs:DirectBanking


Noninterest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-10.03.02.03.03.01.03.02.02.010.01.03.03.01.02.0
Percentage of NoninterestIncomeOther-166.713.011.821.410.75.913.09.17.141.75.012.510.35.69.5

us-gaap:OperatingSegments, us-gaap:AccountingStandardsUpdate201409, dfs:PaymentServices


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value16201215112519202026141921261719
Percentage of NoninterestIncomeOther266.787.0-400.088.278.689.3111.887.090.992.958.395.087.589.794.490.5

us-gaap:OccupancyNet

us-gaap:OccupancyNet


Occupancy
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value222430262730272626282626242626252325232523242424232424232223222120198.0201919191818171718171717171717
Percentage of OccupancyNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal

us-gaap:OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal


Off
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.0-23.00.0408.031
Percentage of OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal0.0100.00.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-33.0-53.0-36.0-32.0-16.0256-17.017713126-2.0-1.0-7.0-4.01.00.01.0-17.0-4.04.014-16.03.0-10.00.03.0-9.08.02.0-14.04.0-31.0-11.0-3.0
Percentage of OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value-43.0-71.0-48.0-42.0-20.0337-23.024944037-4.0-1.0-9.0-6.01.00.02.0-27.0-6.06.023-25.04.0-16.00.04.0-15.0133.0-21.06.0-51.0-16.0-5.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-03-312011-11-302011-08-31
Value-33.0-53.0-36.0-32.0-16.0256-17.017713126-2.0-1.0-7.0-4.01.00.01.0-17.0-4.04.014-16.03.0-10.00.03.0-9.08.02.0-14.04.0-31.0-11.0-3.0-5.626159.93115-8.0-7.89738
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-03-312011-11-302011-08-31
Value-10.0-18.0-12.0-10.0-4.081-6.07.0239.011-2.00.0-2.0-2.00.00.01.0-10.0-2.02.09.0-9.01.0-6.00.01.0-6.05.01.0-8.02.0-19.0-5.0-2.0-3.8490.05.988-9.0-4.0-4.80622
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.01.01.03.04.0-3.0-1.0-8.0-18.0-12.0-21.04.07.019121.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.01.01.04.05.0-5.04.0-11.0-24.0-16.0-29.06.09.025192.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.01.0-2.05.0-3.0-6.0-4.0-8.02.02.06.07.01.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.00.01.0-5.0-2.0-7.0-16.0-10.0-19.06.08.0189.00.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.00.00.0-7.02.0-9.0-22.0-13.0-25.08.010.02415-1.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value00-1000000.0-2000000.04000000.0-2000000.0-6000000.0-3000000.0-6000000.02000000.02000000.06000000.06000000.0-1000000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-1000000.0-1000000.0-1000000.0-3000000.0-3000000.0-2000000.0-1000000.01000000.02000000.02000000.02000000.02000000.01000000.0-1000000.0-3000000.0-1000000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-1000000.0-1000000.0-1000000.0-4000000.0-5000000.0-2000000.0-2000000.02000000.02000000.03000000.04000000.02000000.01000000.0-1000000.0-4000000.0-3000000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation, us-gaap:UnderlyingAssetClass

us-gaap:InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument, us-gaap:InterestExpense, us-gaap:Deposits


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0-4000000.0-4000000.0-1000000.001000000.01000000.01000000.01000000.000-1000000.0-3000000.0-1000000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax-0.0100.080.050.0-0.050.050.033.325.00.00.0100.075.033.3

us-gaap:InterestRateSwap, us-gaap:DesignatedAsHedgingInstrument, us-gaap:InterestExpense, us-gaap:LongTermDebt


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1000000.0-1000000.0-1000000.00-1000000.0-1000000.0-2000000.01000000.01000000.02000000.03000000.02000000.01000000.00
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax100.0100.0100.0-0.020.050.0100.050.050.066.775.0100.0100.0-0.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0-1000000.0-2000000.00-1000000.01000000.001000000.02000000.0000-1000000.0-2000000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax0.0100.0100.00.0100.0100.00.0100.0100.00.00.00.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-32.0-52.0-48.0-29.0-12.0253-45.09.053204.02.06.013-4.02.05.06.04.09.0-2.0-12.020-20.01.0-23.0-68.02.0-2.0-2.041-2.0-23.0-12.03.014
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value-43.0-71.0-48.0-42.0-20.0337-23.024944037-4.0-1.0-9.0-6.01.00.02.0-27.0-6.06.023-25.04.0-16.08.04.0-15.0137.0-19.06.0-51.0165.02315241112116151-24.3-16.6137.0-3.4
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value-33.0-53.0-36.0-32.0-16.0256-17.017713126-2.0-1.0-7.0-4.01.00.01.0-17.0-4.04.014-16.03.0-10.05.03.0-9.08.04.0-14.04.0-31.0113.09.9157.28.07.4-7.9333832-15.2-10.58.54.4-2.2
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-10.0-18.0-12.0-10.0-4.081-6.07.0239.011-2.00.0-2.0-2.00.00.01.0-10.0-2.02.09.0-9.01.0-6.03.01.0-6.05.03.0-8.03.0-20.0-5.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherDepreciationAndAmortization

us-gaap:OtherDepreciationAndAmortization


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value1291191231161231231211131039910911010910710410195938986928410098989562615961595764431527473-28.79244-35.6538-38.485-33.97118-32.466-21.03624201818
Percentage of OtherDepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherInterestAndDividendIncome

us-gaap:OtherInterestAndDividendIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value6.05.06.06.05.024315082909176705546443628171615147.07.07.06.05.05.04.05.05.03.04.03.00.04.7934.04.3294.04.4734.02.4052.6462.4963.6414.0976.0726.877.9649.267
Percentage of OtherInterestAndDividendIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoninterestExpense

us-gaap:OtherNoninterestExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value195106195106171124149127117110157108891151171089710211310910610712310913612116210410710213311814493351171941941861791041119379917490665435
Percentage of OtherNoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherOperatingActivitiesCashFlowStatement


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value17823113195810.0-15.0-25.0-10.0-1.015-166.0140-96.0403-75.02211-6.080354.0-26.03.023-8.0153423941
Percentage of OtherOperatingActivitiesCashFlowStatement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic


Participating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312012-12-31
Value10.08.04.05.01.01.03.06.06.05.06.06.06.04.04.04.04.04.04.05.04.04.03.04.03.04.03.05.04.04.02.0
Percentage of ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromLoansReceivable

us-gaap:PaymentsForProceedsFromLoansReceivable


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-28
Value1717-3642.02271298-3346.0-2268.0399628982098-1148.0416226792598-959.0424629052560-1010.0398819071876-1793.0252614391643-2129.0285216982237-1692.0316313301524-2102.015991552144519091473928-2005.0-305.59192917981256-14.255
Percentage of PaymentsForProceedsFromLoansReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfOrdinaryDividends

us-gaap:PaymentsOfOrdinaryDividends


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-30
Value151159152135151138153141145134151137122142137139124127128132125129130131135119119120122106105107108795.0505251545353533929291110
Percentage of PaymentsOfOrdinaryDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireHeldToMaturitySecurities

us-gaap:PaymentsToAcquireHeldToMaturitySecurities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-05-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-31
Value9.0160.0141614122022120.02029330.04.019170.010.030161.04.01517221310.08.01.00.01.00.00.0-0.2850.00.5490.0501.40.00.550.00.550.0
Percentage of PaymentsToAcquireHeldToMaturitySecurities100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.00.0100.00.0100.0100.00.0100.00.0100.00.0

us-gaap:PaymentsToAcquireOtherInvestments

us-gaap:PaymentsToAcquireOtherInvestments


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-30
Value2021181426141928156.045155.00.0348.09.0142811111.0199.0185.0188.05.029382322314.0374.05.04312138.08.80393150.00.00.0
Percentage of PaymentsToAcquireOtherInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsToAcquireShortTermInvestments

us-gaap:PaymentsToAcquireShortTermInvestments


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-09-302015-09-302012-11-302012-08-312011-11-302011-08-312010-11-302010-08-31
Value0.0549825480.00.00.00.010000.00.00.00.00.00.00.00.0-0.250.00.00.00.00.0
Percentage of PaymentsToAcquireShortTermInvestments0.0100.0100.00.00.00.00.0100.00.00.00.00.00.00.00.00.0100.00.00.00.00.00.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value3.02.03.02.03.02.01.02.02.02.01.02.01.02.01.02.01.01.02.00.04.01.02.00.02.01.01.02.01.01.01.05.02.05.02.09.7691.01.6295.01210.02.4314.718106.2220.9311.3230.00.00.0
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.0-1.0-1.0496-1.0746-1.0596-2.01391228222948451005221027
Percentage of ProceedsFromIssuanceOfUnsecuredDebt0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value25202016117.010.09.06.06.05.04.05.04.04.05.03.04.07.08.04.05.04.06.05.02.01.01.03.05.02.010.04.0131.01.8995.05.1162.01.0292.02.9561.0165.582.8149.0721.808131.7964.433
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments


Proceeds
Period End2021-06-302021-03-312017-12-31
Value0.022000.0
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments0.0100.00.0

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value5304042832862811573436363436716424446505252636085131581877369118865645512765984265101511222437646858559844049154016428833218214632668
Percentage of ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndMaturityOfOtherInvestments

us-gaap:ProceedsFromSaleAndMaturityOfOtherInvestments


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.042520.00.0
Percentage of ProceedsFromSaleAndMaturityOfOtherInvestments0.00.0100.0100.00.00.0

us-gaap:ProfessionalFees

us-gaap:ProfessionalFees


Professional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value1871821921511811932141891831671901661611551891631561471521431501601701601531271281111129910897101104341141081071081101049911410610490103857875
Percentage of ProfessionalFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLeaseAndOtherLosses

us-gaap:ProvisionForLoanLeaseAndOtherLosses


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value135-365.053175020461807836799787809
Percentage of ProvisionForLoanLeaseAndOtherLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, dfs:DirectBanking


Provision
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value135-365.075020461807799787809
Percentage of ProvisionForLoanLeaseAndOtherLosses100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLossesExpensed

us-gaap:ProvisionForLoanLossesExpensed


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-12-312011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value135-342.05317102038183883679978780980074274275167967464058657844541242448433230639045735436027235433324015917833813612626223284151173320991754173827127241387
Percentage of ProvisionForLoanLossesExpensed100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLossesExpensed us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CreditCardReceivables


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value181-377.046360418731439728719692710679633637645552550533524498372347362404303256337394318
Percentage of ProvisionForLoanLossesExpensed134.1110.287.285.191.978.387.190.087.987.884.985.385.885.981.381.683.389.486.283.684.285.483.591.383.786.486.289.8

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

dfs:TotalOtherLoans, dfs:OtherLoans


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value3.03.00.02.02.07.00.00.00.00.0-1.02.012-1.02.0-8.0-1.01.01.01.0-1.0-1.01.02.03.0-2.0
Percentage of ProvisionForLoanLossesExpensed2.2-0.90.00.30.10.40.00.00.00.0-0.10.31.8-0.10.3-1.4-0.20.20.20.2-0.2-0.30.30.50.7-0.6

dfs:TotalOtherLoans, dfs:PersonalLoans


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-28.0-4.050491142638286808410187847310191825857514444513035314022
Percentage of ProvisionForLoanLossesExpensed-20.71.29.46.95.614.39.810.810.210.412.611.711.39.714.913.512.89.99.911.510.710.410.59.011.47.98.86.2

dfs:TotalOtherLoans, us-gaap:StudentLoan


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-21.036185549-129.0276.01515
Percentage of ProvisionForLoanLossesExpensed-15.6-10.53.47.72.4-7.03.20.81.91.9

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities

dfs:DiscoverBank, dfs:SeniorBankNotes, us-gaap:SeniorNotes, us-gaap:SubsequentEvent


Repayments
Period End2021-07-12
Value750
Percentage of RepaymentsOfLongTermDebtAndCapitalSecurities100.0

us-gaap:RepaymentsOfSecuredDebt

us-gaap:RepaymentsOfSecuredDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value16327.0557130811575099.02208121028605591551543179412441064172692513767798698033113328881083881098114023521014342204899206610314032904213363310810963012382057181975020052173142
Percentage of RepaymentsOfSecuredDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfUnsecuredDebt

us-gaap:RepaymentsOfUnsecuredDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.01631.01.017521.0200794.03.010003.02.07511.02.04010.00.00.0
Percentage of RepaymentsOfUnsecuredDebt0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:StockIssuedDuringPeriodSharesEmployeeBenefitPlan us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesEmployeeBenefitPlan

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-31
Value20000.026000.029000.050000.049000.064000.021000.025000.024000.027000.026000.025000.022000.023000.016000.023000.020000.020000.015000.021000.024000.021000.022000.022000.021000.018000.017000.015000.016000.014000.015000.015000.021000.015000.013000.013000.013000.013000.013000.015000.015000.014000.066000.0-39000.013000.015000.024000.0
Percentage of StockIssuedDuringPeriodSharesEmployeeBenefitPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:PreferredStock


Stock
Period End2020-12-312020-09-302020-06-222020-06-30
Value0.00.00.0050.005
Percentage of StockIssuedDuringPeriodSharesNewIssues0.00.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value93000.0656000.0125000.041000.074000.0812000.029000.0560000.022000.01094000.0212000.031000.026000.0989000.06000.011000.020000.0968000.08000.015000.0121000.01510000.020000.04000.048000.02330000.016000.050000.045000.02671000.058000.0268000.0117000.01490000.0302000.0463000.0192000.0272000.0328000.0737000.02069000.01774000.0259000.01088000.0375000.0845000.0-2122800.0724000.0200000.01201000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeBenefitPlan

us-gaap:StockIssuedDuringPeriodValueEmployeeBenefitPlan


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-31
Value3000000.02000000.03000000.03000000.02000000.02000000.01000000.03000000.01000000.02000000.01000000.02000000.01000000.02000000.01000000.01000000.02000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.001000000.01000000.01000000.01000000.001000000.01000000.0677000.00495000.01000000.0399000.00429000.0320000.01453000.0-818000.0271000.0260000.0323000.0
Percentage of StockIssuedDuringPeriodValueEmployeeBenefitPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeBenefitPlan us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-31
Value3000000.02000000.03000000.03000000.02000000.02000000.01000000.03000000.01000000.02000000.01000000.02000000.01000000.02000000.01000000.01000000.02000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.001000000.01000000.01000000.01000000.001000000.01000000.0677000.00495000.01000000.0399000.00429000.0319000.01453000.0-818000.0271000.0260000.0322000.0
Percentage of StockIssuedDuringPeriodValueEmployeeBenefitPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.099.7100.0100.0100.0100.099.7

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value36211916-3.09.0171818162216202425181617151318271614115015161851152116345.021141419262520142216166.7688.1241011
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value36211916-3.09.0171818162216202425181616151318271614115015161851152117335.021141419262520142216166.7678.1171010
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.094.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0106.297.1100.0100.1100.0100.0100.0100.0100.099.9100.0100.0100.099.9100.099.9100.099.9

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value5531195.00.00.034340141946148746546055658455555645052047858142642343543542542039962217836534635133826112402377352270447270142272020.0945.0040.0962.6760.0865.383
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-11-302012-09-302012-08-312012-06-302012-05-312012-03-312012-02-292011-11-302011-08-312011-05-312011-02-282010-11-302010-08-312010-05-312010-02-28
Value5531195.00.00.03434014194614874654605565845555564505204785814264234354354254203996221783653463513382611240237735252044720142272020.0945.0040.0962.6760.0865.383
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0192.6100.07.4100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:EntityPublicFloat

dei:EntityPublicFloat


Entity
Period End2020-12-31
Value15308
Percentage of EntityPublicFloat100.0

dfs:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsThroughTenYearsPercentage

dfs:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsThroughTenYearsPercentage


Available
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-11-302011-11-30
Value2.070.01840.02360.01920.01550.01540.01530.01440.01450
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsThroughTenYearsPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

dfs:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsThroughTenYearsPercentage us-gaap:FinancialInstrument

us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2020-12-312019-12-312018-12-31
Value2.070.02070.0204
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsThroughTenYearsPercentage100.0112.586.4

dfs:AvailableForSaleSecuritiesDebtMaturitiesAfterOneYearThroughFiveYearsPercentage

dfs:AvailableForSaleSecuritiesDebtMaturitiesAfterOneYearThroughFiveYearsPercentage


Available
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-11-302011-11-30
Value2.240.02190.02760.01280.00910.00910.01440.01570.01270.0139
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneYearThroughFiveYearsPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:AvailableForSaleSecuritiesDebtMaturitiesAfterOneYearThroughFiveYearsPercentage us-gaap:FinancialInstrument

us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2020-12-312019-12-312018-12-31
Value1.620.01580.015
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneYearThroughFiveYearsPercentage72.372.154.3

us-gaap:USTreasurySecurities


Available
Period End2020-12-312019-12-312018-12-31
Value2.250.0220.0282
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneYearThroughFiveYearsPercentage100.4100.5102.2

dfs:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsPercentage

dfs:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsPercentage


Available
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-11-302011-11-30
Value0.99000.0250.02060.02060.02050.01960.01920
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsPercentage100.00.00.0100.0100.0100.0100.0100.0100.00.0

dfs:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsPercentage us-gaap:FinancialInstrument

us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2020-12-312019-12-312018-12-31
Value0.9900
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsPercentage100.00.00.0

dfs:AvailableForSaleSecuritiesDebtMaturitiesPercentage

dfs:AvailableForSaleSecuritiesDebtMaturitiesPercentage


Available
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-11-302011-11-30
Value2.140.0220.02660.01440.01490.0150.01690.01450.01330.0118
Percentage of AvailableForSaleSecuritiesDebtMaturitiesPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:AvailableForSaleSecuritiesDebtMaturitiesPercentage us-gaap:FinancialInstrument

us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2020-12-312019-12-312018-12-31
Value1.970.01970.0195
Percentage of AvailableForSaleSecuritiesDebtMaturitiesPercentage92.189.573.3

us-gaap:USTreasurySecurities


Available
Period End2020-12-312019-12-312018-12-31
Value2.150.02210.0281
Percentage of AvailableForSaleSecuritiesDebtMaturitiesPercentage100.5100.5105.6

dfs:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearPercentage

dfs:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearPercentage


Available
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-11-302011-11-30
Value1.910.026300.009100.01440.01680.00820.01010.0065
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearPercentage100.0100.00.0100.00.0100.0100.0100.0100.0100.0

dfs:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearPercentage us-gaap:FinancialInstrument

us-gaap:USTreasurySecurities


Available
Period End2020-12-312019-12-312018-12-31
Value1.910.02630
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearPercentage100.0100.00.0

dfs:AvailableForSaleSecuritiesWeightedAverageCouponRate us-gaap:FinancialInstrument

dfs:AvailableForSaleSecuritiesWeightedAverageCouponRate

us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value3.243.252.772.81
Percentage of AvailableForSaleSecuritiesWeightedAverageCouponRate100.0100.0100.0100.0

dfs:AvailableForSaleSecurityParValue us-gaap:FinancialInstrument

dfs:AvailableForSaleSecurityParValue

us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value227257286309
Percentage of AvailableForSaleSecurityParValue100.0100.0100.0100.0

dfs:CalculationOfAnnualAwards us-gaap:PlanName

dfs:CalculationOfAnnualAwards

dfs:DirectorsCompensationPlan


Calculation
Period End2020-12-312017-01-012016-12-31
Value150000.0140000.0130000.0
Percentage of CalculationOfAnnualAwards100.0100.0100.0

dfs:CreditCardRewardsLiabilityNet

dfs:CreditCardRewardsLiabilityNet


Credit
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value170017001600150014001400140011001100
Percentage of CreditCardRewardsLiabilityNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:CreditRiskProfilePercentage us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

dfs:CreditRiskProfilePercentage

dfs:FICOScore660andAbove, dfs:TotalOtherLoans, dfs:PersonalLoans


Credit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value97.096.096.095.00.950.940.940.940.940.940.940.940.950.950.950.950.960.950.960.960.960.960.960.960.96
Percentage of CreditRiskProfilePercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:FICOScore660andAbove, dfs:TotalOtherLoans, us-gaap:StudentLoan


Credit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value96.095.095.095.00.940.940.94
Percentage of CreditRiskProfilePercentage99.099.099.0100.098.9100.0100.0

dfs:FICOScoreLessThan660OrNoScore, dfs:TotalOtherLoans, dfs:PersonalLoans


Credit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value3.04.04.05.00.050.060.060.060.060.060.060.060.050.050.050.050.040.050.040.040.040.040.040.040.04
Percentage of CreditRiskProfilePercentage3.14.24.25.35.36.46.46.46.46.46.46.45.35.35.35.34.25.34.24.24.24.24.24.24.2

dfs:FICOScoreLessThan660OrNoScore, dfs:TotalOtherLoans, us-gaap:StudentLoan


Credit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value4.05.05.05.00.060.060.06
Percentage of CreditRiskProfilePercentage4.15.25.25.36.36.46.4

dfs:CumulativeAmountofFairValueHedgingAdjustmentincludedinCarryingValueofHedgedItem us-gaap:UnderlyingAssetClass

dfs:CumulativeAmountofFairValueHedgingAdjustmentincludedinCarryingValueofHedgedItem

us-gaap:LongTermDebt


Cumulative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value159203281339398409136949-36.0-91.0
Percentage of CumulativeAmountofFairValueHedgingAdjustmentincludedinCarryingValueofHedgedItem100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:DeferredTaxLiabilitiesCustomerFeesAndRewards

dfs:DeferredTaxLiabilitiesCustomerFeesAndRewards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value37811591452141070.0
Percentage of DeferredTaxLiabilitiesCustomerFeesAndRewards100.0100.0100.0100.0100.0100.00.0

dfs:DeferredTaxLiabilitiesDebtExchangePremium

dfs:DeferredTaxLiabilitiesDebtExchangePremium


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312012-11-302011-11-30
Value17263441748391981071080.0
Percentage of DeferredTaxLiabilitiesDebtExchangePremium100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

dfs:DeferredTaxLiabilitiesDeferredLoanAcquisitionCosts

dfs:DeferredTaxLiabilitiesDeferredLoanAcquisitionCosts


Deferred
Period End2020-12-312019-12-312018-12-312015-12-312014-12-312013-12-312012-12-31
Value21282318231612
Percentage of DeferredTaxLiabilitiesDeferredLoanAcquisitionCosts100.0100.0100.0100.0100.0100.0100.0

dfs:DerivativeCollateralRighttoReclaimCashandSecurities

dfs:DerivativeCollateralRighttoReclaimCashandSecurities


Derivative
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1.02.07.010.07.04.04.06.02.01.00.01.03.010.0139.094667963335130512310.0118.07.0120.0
Percentage of DerivativeCollateralRighttoReclaimCashandSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

dfs:FICODistributionOriginatedFiveorMoreYearsBeforeLatestFiscalYear us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

dfs:FICODistributionOriginatedFiveorMoreYearsBeforeLatestFiscalYear

dfs:FICOScore660andAbove, dfs:TotalOtherLoans, dfs:PersonalLoans


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value85.086.081.082.00.830.830.84
Percentage of FICODistributionOriginatedFiveorMoreYearsBeforeLatestFiscalYear100.0100.0100.0100.0100.0100.0100.0

dfs:FICOScore660andAbove, dfs:TotalOtherLoans, us-gaap:StudentLoan


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value95.095.094.094.00.930.930.93
Percentage of FICODistributionOriginatedFiveorMoreYearsBeforeLatestFiscalYear111.8110.5116.0114.6112.0112.0110.7

dfs:FICOScoreLessThan660OrNoScore, dfs:TotalOtherLoans, dfs:PersonalLoans


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value15.014.019.018.00.170.170.16
Percentage of FICODistributionOriginatedFiveorMoreYearsBeforeLatestFiscalYear17.616.323.522.020.520.519.0

dfs:FICOScoreLessThan660OrNoScore, dfs:TotalOtherLoans, us-gaap:StudentLoan


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value5.05.06.06.00.070.070.07
Percentage of FICODistributionOriginatedFiveorMoreYearsBeforeLatestFiscalYear5.95.87.47.38.48.48.3

dfs:FICODistributionOriginatedFourYearsBeforeLatestFiscalYear us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

dfs:FICODistributionOriginatedFourYearsBeforeLatestFiscalYear

dfs:FICOScore660andAbove, dfs:TotalOtherLoans, dfs:PersonalLoans


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value89.089.087.088.00.880.870.88
Percentage of FICODistributionOriginatedFourYearsBeforeLatestFiscalYear100.0100.0100.0100.0100.0100.0100.0

dfs:FICOScore660andAbove, dfs:TotalOtherLoans, us-gaap:StudentLoan


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value95.095.094.094.00.940.940.94
Percentage of FICODistributionOriginatedFourYearsBeforeLatestFiscalYear106.7106.7108.0106.8106.8108.0106.8

dfs:FICOScoreLessThan660OrNoScore, dfs:TotalOtherLoans, dfs:PersonalLoans


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value11.011.013.012.00.120.130.12
Percentage of FICODistributionOriginatedFourYearsBeforeLatestFiscalYear12.412.414.913.613.614.913.6

dfs:FICOScoreLessThan660OrNoScore, dfs:TotalOtherLoans, us-gaap:StudentLoan


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value5.05.06.06.00.060.060.06
Percentage of FICODistributionOriginatedFourYearsBeforeLatestFiscalYear5.65.66.96.86.86.96.8

dfs:FICODistributionOriginatedThreeYearsBeforeLatestFiscalYear us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

dfs:FICODistributionOriginatedThreeYearsBeforeLatestFiscalYear

dfs:FICOScore660andAbove, dfs:TotalOtherLoans, dfs:PersonalLoans


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value92.092.089.089.00.890.890.9
Percentage of FICODistributionOriginatedThreeYearsBeforeLatestFiscalYear100.0100.0100.0100.0100.0100.0100.0

dfs:FICOScore660andAbove, dfs:TotalOtherLoans, us-gaap:StudentLoan


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value96.096.095.095.00.940.940.95
Percentage of FICODistributionOriginatedThreeYearsBeforeLatestFiscalYear104.3104.3106.7106.7105.6105.6105.6

dfs:FICOScoreLessThan660OrNoScore, dfs:TotalOtherLoans, dfs:PersonalLoans


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value8.08.011.011.00.110.110.1
Percentage of FICODistributionOriginatedThreeYearsBeforeLatestFiscalYear8.78.712.412.412.412.411.1

dfs:FICOScoreLessThan660OrNoScore, dfs:TotalOtherLoans, us-gaap:StudentLoan


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value4.04.05.05.00.060.060.05
Percentage of FICODistributionOriginatedThreeYearsBeforeLatestFiscalYear4.34.35.65.66.76.75.6

dfs:FICODistributionOriginatedTwoYearsBeforeLatestFiscalYear us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

dfs:FICODistributionOriginatedTwoYearsBeforeLatestFiscalYear

dfs:FICOScore660andAbove, dfs:TotalOtherLoans, dfs:PersonalLoans


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value96.096.092.092.00.920.920.93
Percentage of FICODistributionOriginatedTwoYearsBeforeLatestFiscalYear100.0100.0100.0100.0100.0100.0100.0

dfs:FICOScore660andAbove, dfs:TotalOtherLoans, us-gaap:StudentLoan


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value97.096.096.096.00.950.950.95
Percentage of FICODistributionOriginatedTwoYearsBeforeLatestFiscalYear101.0100.0104.3104.3103.3103.3102.2

dfs:FICOScoreLessThan660OrNoScore, dfs:TotalOtherLoans, dfs:PersonalLoans


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value4.04.08.08.00.080.080.07
Percentage of FICODistributionOriginatedTwoYearsBeforeLatestFiscalYear4.24.28.78.78.78.77.5

dfs:FICOScoreLessThan660OrNoScore, dfs:TotalOtherLoans, us-gaap:StudentLoan


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3.04.04.04.00.050.050.05
Percentage of FICODistributionOriginatedTwoYearsBeforeLatestFiscalYear3.14.24.34.35.45.45.4

dfs:FICODistributionOriginatedinCurrentFiscalYear us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

dfs:FICODistributionOriginatedinCurrentFiscalYear

dfs:FICOScore660andAbove, dfs:TotalOtherLoans, dfs:PersonalLoans


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value100.0100.099.099.00.991.0
Percentage of FICODistributionOriginatedinCurrentFiscalYear100.0100.0100.0100.0100.0100.0

dfs:FICOScore660andAbove, dfs:TotalOtherLoans, us-gaap:StudentLoan


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value95.098.095.097.00.980.97
Percentage of FICODistributionOriginatedinCurrentFiscalYear95.098.096.098.099.097.0

dfs:FICOScoreLessThan660OrNoScore, dfs:TotalOtherLoans, dfs:PersonalLoans


F
Period End2020-12-312020-09-302020-06-302020-03-31
Value1.01.00.010
Percentage of FICODistributionOriginatedinCurrentFiscalYear1.01.01.00.0

dfs:FICOScoreLessThan660OrNoScore, dfs:TotalOtherLoans, us-gaap:StudentLoan


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value5.02.05.03.00.020.03
Percentage of FICODistributionOriginatedinCurrentFiscalYear5.02.05.13.02.03.0

dfs:FICODistributionOriginatedinFiscalYearBeforeLatestFiscalYear us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

dfs:FICODistributionOriginatedinFiscalYearBeforeLatestFiscalYear

dfs:FICOScore660andAbove, dfs:TotalOtherLoans, dfs:PersonalLoans


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value99.099.096.097.00.970.970.98
Percentage of FICODistributionOriginatedinFiscalYearBeforeLatestFiscalYear100.0100.0100.0100.0100.0100.0100.0

dfs:FICOScore660andAbove, dfs:TotalOtherLoans, us-gaap:StudentLoan


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value97.095.096.097.00.960.940.93
Percentage of FICODistributionOriginatedinFiscalYearBeforeLatestFiscalYear98.096.0100.0100.099.096.994.9

dfs:FICOScoreLessThan660OrNoScore, dfs:TotalOtherLoans, dfs:PersonalLoans


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1.01.04.03.00.030.030.02
Percentage of FICODistributionOriginatedinFiscalYearBeforeLatestFiscalYear1.01.04.23.13.13.12.0

dfs:FICOScoreLessThan660OrNoScore, dfs:TotalOtherLoans, us-gaap:StudentLoan


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3.05.04.03.00.040.060.07
Percentage of FICODistributionOriginatedinFiscalYearBeforeLatestFiscalYear3.05.14.23.14.16.27.1

dfs:FICODistributionRevolving us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment

dfs:FICODistributionRevolving

dfs:FICOScore660andAbove, us-gaap:CreditCardReceivables


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value84.083.082.082.00.810.790.8
Percentage of FICODistributionRevolving100.0100.0100.0100.0100.0100.0100.0

dfs:FICOScoreLessThan660OrNoScore, us-gaap:CreditCardReceivables


F
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value16.017.018.018.00.190.210.2
Percentage of FICODistributionRevolving19.020.522.022.023.526.625.0

dfs:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsPercentage

dfs:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsPercentage


Held
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-11-302011-11-30
Value3.130.03360.02940.02730.02710.02890.02990.03630.03780.0483
Percentage of HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsPercentage us-gaap:FinancialInstrument

us-gaap:ResidentialMortgageBackedSecurities


Held
Period End2020-12-312019-12-312018-12-31
Value3.130.03360.0294
Percentage of HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsPercentage100.0100.0100.0

dfs:HeldToMaturitySecuritiesDebtMaturitiesPercentage

dfs:HeldToMaturitySecuritiesDebtMaturitiesPercentage


Held
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-11-302011-11-30
Value3.130.03360.02940.02730.02710.02880.02980.0360.03750.0419
Percentage of HeldToMaturitySecuritiesDebtMaturitiesPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:HeldToMaturitySecuritiesDebtMaturitiesPercentage us-gaap:FinancialInstrument

us-gaap:ResidentialMortgageBackedSecurities


Held
Period End2020-12-312019-12-312018-12-31
Value3.130.03360.0294
Percentage of HeldToMaturitySecuritiesDebtMaturitiesPercentage100.0100.0100.0

dfs:IntangibleAssetsGrossCarryingAmount

dfs:IntangibleAssetsGrossCarryingAmount


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312012-11-302011-11-302010-11-302009-11-30
Value169228232229229232243255247247235228228
Percentage of IntangibleAssetsGrossCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dfs:InterestPayableFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

dfs:InterestPayableFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value215147233170255220283
Percentage of InterestPayableFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0

dfs:InterestPayableFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value215147233170255220283
Percentage of InterestPayableFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value215147233170255220283
Percentage of InterestPayableFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0

dfs:InterestReceivableFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

dfs:InterestReceivableFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value930967992100897710271044
Percentage of InterestReceivableFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0

dfs:InterestReceivableFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value930967992100897710271044
Percentage of InterestReceivableFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value930967992100897710271044
Percentage of InterestReceivableFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0

dfs:InvestmentsInBankSubsidiaries us-gaap:ConsolidatedEntities

dfs:InvestmentsInBankSubsidiaries

srt:ParentCompany


Investments
Period End2020-12-312019-12-312018-12-312017-12-31
Value10188113191089110560
Percentage of InvestmentsInBankSubsidiaries100.0100.0100.0100.0

dfs:InvestmentsInNonBankSubsidiaries us-gaap:ConsolidatedEntities

dfs:InvestmentsInNonBankSubsidiaries

srt:ParentCompany


Investments
Period End2020-12-312019-12-312018-12-312017-12-31
Value7278207521048
Percentage of InvestmentsInNonBankSubsidiaries100.0100.0100.0100.0

dfs:InvestorsInterests dfs:SecuritizationActivities, us-gaap:ConsolidatedEntities, us-gaap:FinancingReceivablePortfolioSegment

dfs:InvestorsInterests

dfs:CreditCardSecuritizationTrusts, us-gaap:VariableInterestEntityPrimaryBeneficiary, us-gaap:CreditCardReceivables


Investors
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value13500157001670015400166001840018900
Percentage of InvestorsInterests100.0100.0100.0100.0100.0100.0100.0

dfs:InvestorsInterestsHeldByThirdPartyInvestors dfs:SecuritizationActivities, us-gaap:ConsolidatedEntities

dfs:InvestorsInterestsHeldByThirdPartyInvestors

dfs:CreditCardSecuritizationTrusts, us-gaap:VariableInterestEntityPrimaryBeneficiary


Investors
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value8975106001060011150124501360014100
Percentage of InvestorsInterestsHeldByThirdPartyInvestors100.0100.0100.0100.0100.0100.0100.0

dfs:InvestorsInterestsHeldByWhollyOwnedSubsidiaries dfs:SecuritizationActivities, us-gaap:ConsolidatedEntities

dfs:InvestorsInterestsHeldByWhollyOwnedSubsidiaries

dfs:CreditCardSecuritizationTrusts, us-gaap:VariableInterestEntityPrimaryBeneficiary


Investors
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value4511514361214249418447504796
Percentage of InvestorsInterestsHeldByWhollyOwnedSubsidiaries100.0100.0100.0100.0100.0100.0100.0

dfs:LiquidityAvailabletoParentfromMoneyMarketDepositAccountatSubsidiary us-gaap:ConsolidatedEntities, us-gaap:RelatedPartyTransactionsByRelatedParty

dfs:LiquidityAvailabletoParentfromMoneyMarketDepositAccountatSubsidiary

srt:ParentCompany, dfs:DiscoverBank


Liquidity
Period End2020-12-312019-12-312018-12-312017-12-31
Value2700240014002000
Percentage of LiquidityAvailabletoParentfromMoneyMarketDepositAccountatSubsidiary100.0100.0100.0100.0

dfs:OtherShorttermInvestmentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

dfs:OtherShorttermInvestmentsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:EstimateOfFairValueFairValueDisclosure


Other
Period End2020-12-31
Value2200
Percentage of OtherShorttermInvestmentsFairValueDisclosure100.0

dfs:OtherShorttermInvestmentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsNonrecurring


Other
Period End2020-12-312020-09-302020-06-302019-09-302019-06-302019-03-312016-09-302016-06-30
Value2200804825491000100010008501050
Percentage of OtherShorttermInvestmentsFairValueDisclosure100.00.00.00.00.00.00.00.0

dfs:OtherShorttermInvestmentsFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Other
Period End2020-12-31
Value2200
Percentage of OtherShorttermInvestmentsFairValueDisclosure100.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Other
Period End2020-12-31
Value2200
Percentage of OtherShorttermInvestmentsFairValueDisclosure100.0

dfs:OtherShorttermInvestmentsFairValueDisclosure us-gaap:FairValueByMeasurementBasis, us-gaap:FairValueByMeasurementFrequency

us-gaap:CarryingReportedAmountFairValueDisclosure, us-gaap:FairValueMeasurementsNonrecurring


Other
Period End2020-12-312020-09-302020-06-302019-09-302019-06-302019-03-312016-09-302016-06-30
Value2200804825491000100010008501050
Percentage of OtherShorttermInvestmentsFairValueDisclosure100.00.00.00.00.00.00.00.0

dfs:OtherShorttermInvestmentsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsNonrecurring


Other
Period End2020-12-312020-09-302020-06-302019-09-302019-06-302019-03-312016-09-302016-06-30
Value2200804825491000100010008501050
Percentage of OtherShorttermInvestmentsFairValueDisclosure100.00.00.00.00.00.00.00.0

dfs:RestrictedCashFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

dfs:RestrictedCashFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:EstimateOfFairValueFairValueDisclosure


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value9233262557629118340
Percentage of RestrictedCashFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0

dfs:RestrictedCashFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312012-02-292011-11-302011-05-312010-11-30
Value9233262557629118340361128510141363
Percentage of RestrictedCashFairValueDisclosure100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312012-02-292011-11-302011-05-312010-11-30
Value9233262557629118340361128510141363
Percentage of RestrictedCashFairValueDisclosure100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

dfs:RevolvingLineofCreditArrangementConvertedt