STT


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

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesIssued

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted
stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches
us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets
us-gaap:ConsolidatedEntities, stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches
stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches
us-gaap:CapitalToRiskWeightedAssets
us-gaap:ConsolidatedEntities, stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches

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

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

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestExpense

us-gaap:InterestExpenseLongTermDebt

us-gaap:InterestIncomeExpenseNet
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:InterestIncomeOperating

us-gaap:MarketingAndAdvertisingExpense

us-gaap:NetIncomeLoss
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherIncome

us-gaap:RealizedInvestmentGainsLosses
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:Revenues
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical

us-gaap:Assets
us-gaap:ConsolidatedEntities
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities
us-gaap:StatementGeographical

us-gaap:Liabilities
us-gaap:ConsolidatedEntities
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents
stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches
us-gaap:TierOneRiskBasedCapital
us-gaap:ConsolidatedEntities, stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets
us-gaap:StatementBusinessSegments

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:StatementBusinessSegments

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssets
us-gaap:ConsolidatedEntities

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

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

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit
stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches
us-gaap:ConsolidatedEntities, stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue
stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:PaymentsOfDividends

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:ValuationAllowanceByDeferredTaxAsset

stt:AcquisitionAndRestructuringCosts

stt:BankOperationsExpense

stt:ChangeInUnrealizedGainsLossesRelatedToFinancialInstruments

stt:ChangeInUnrealizedGainsLossesRelatedToFinancialInstrumentsAssetsHeldAtPeriodEnd
us-gaap:DerivativeInstrumentRisk

stt:DividendsAndUndistributedEarningsAllocatedToParticipatingSecurities

stt:FeeRevenues
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

stt:FeesAndCommissionsForeignExchangeTradingServices
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

stt:FeesAndCommissionsManagementFees
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

stt:FeesAndCommissionsProcessingFeesAndOther
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

stt:FeesAndCommissionsSecuritiesFinance
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

stt:FeesAndCommissionsServicingFees
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

stt:InterestEarningAssetsOther

stt:InterestExpenseInvestmentSecuritiesPurchasedUnderMoneyMarketFacility

stt:InterestIncomeFromOtherInvestments

stt:InterestIncomeInvestmentSecurities

stt:InterestIncomeInvestmentSecuritiesAvailableForSale

stt:InterestIncomeInvestmentSecuritiesHeldToMaturity

stt:InterestIncomeInvestmentSecuritiesPurchasedUnderMoneyMarketFacility

stt:NetDecreaseIncreaseInOtherShortTermBorrowings

stt:NetIncreaseDecreaseInFederalFundsSoldAndSecuritiesPurchasedUnderResaleAgreements

stt:NetIncreaseinShortTermBorrowingsUnderMoneyMarketLiquidityFacility

stt:NoncashAdjustmentsForDepreciationAmortizationAccretion

stt:OtherComprehensiveIncomeLossChangeInNetUnrealizedGainLossOnAfsSecuritiesNetOfReclassAndExpectedLossFromOttiRelatedTaxes

stt:OtherComprehensiveIncomeLossChangeInUnrealizedGainLossOnAfsSecuritiesDesignatedAsFairValueHedgesRelatedTaxes

stt:OtherComprehensiveIncomeLossDefinedBenefitPlanActuarialLossesBeforeReclassificationAdjustmentTax

stt:OtherComprehensiveIncomeLossDerivativeBeforeReclassificationAndTax

stt:OtherComprehensiveIncomeLossDerivativeGainLossReclassificationbeforeTax

stt:OtherComprehensiveIncomeLossMinimumPensionLiabilityNetAdjustmentTax

stt:OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentIncludingTaxEffectsOfTaxCutsAndJobsAct
us-gaap:StatementEquityComponents

stt:OtherComprehensiveIncomeLossSecuritiesAvailableForSaleDesignatedInFairValueHedgesUnrealizedHoldingGainLossArisingDuringPeriodAfterTax

stt:OtherInterestEarningLiabilities

stt:PreTaxMargin
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

stt:ProceedsFromUnderMoneyMarketLiquidityFacility

stt:PurchasesUnderMoneyMarketLiquidityFacility

stt:RegulatoryFeesandAssessments

stt:RepurchasesOfCommonStockForEmployeeTaxWithholding
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
stt:RevenuefromOtherThanContractwithCustomer
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

stt:SecuritiesProcessingExpense

stt:SecuritiesSoldUnderRepurchaseAgreementNet

stt:StockOptionsAndStockAwards

stt:UnfundedCommitmentsToExtendCreditShortTerm
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationAcquisitionRelatedCosts

us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByAssetClass, us-gaap:IncomeStatementLocation

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByAssetClass, us-gaap:IncomeStatementLocation

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommunicationsAndInformationTechnology

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation
us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:HedgingDesignation

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:DividendsPreferredStock

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

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
us-gaap:DerivativeInstrumentRisk

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
us-gaap:FairValueByAssetClass

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueByAssetClass

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
us-gaap:FairValueByAssetClass

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
us-gaap:DerivativeInstrumentRisk
us-gaap:FairValueByAssetClass

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
us-gaap:FairValueByAssetClass

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
us-gaap:FairValueByAssetClass

us-gaap:FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation
us-gaap:ClassOfFinancingReceivableTypeOfBorrower

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease
us-gaap:ClassOfFinancingReceivableTypeOfBorrower
us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

us-gaap:FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss
us-gaap:StatementBusinessSegments

us-gaap:FiniteLivedIntangibleAssetsPurchaseAccountingAdjustments
us-gaap:StatementBusinessSegments

us-gaap:FloorBrokerageExchangeAndClearanceFees

us-gaap:GainLossOnSaleOfNotesReceivable

us-gaap:GeneralInsuranceExpense

us-gaap:GoodwillAcquiredDuringPeriod
us-gaap:StatementBusinessSegments

us-gaap:GoodwillTranslationAndPurchaseAccountingAdjustments
us-gaap:StatementBusinessSegments

us-gaap:ImpairedFinancingReceivableInterestIncomeAccrualMethod

us-gaap:IncreaseDecreaseInCashCollateralForLoanedSecurities

us-gaap:IncreaseDecreaseInOtherDeposits

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherReceivables

us-gaap:IncreaseDecreaseInTimeDeposits

us-gaap:IncreaseDecreaseInTradingSecurities

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestExpenseDeposits

us-gaap:InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase

us-gaap:InterestExpenseShortTermBorrowings

us-gaap:InterestIncomeDepositsWithFinancialInstitutions

us-gaap:InterestIncomeSecuritiesPurchasedUnderAgreementsToResell

us-gaap:InterestIncomeSecuritiesStateAndMunicipal

us-gaap:InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernment

us-gaap:LaborAndRelatedExpense
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:CounterpartyName, us-gaap:LitigationCase
us-gaap:LitigationSettlementAmountAwardedToOtherParty

us-gaap:MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments

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

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

us-gaap:NoninterestIncomeOtherOperatingIncome
us-gaap:ConsolidationItems, us-gaap:ProductOrService

us-gaap:OccupancyNet

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
us-gaap:DerivativeInstrumentRisk

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

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax

us-gaap:OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossBeforeReclassificationAndTax
us-gaap:DerivativeInstrumentRisk

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherExpenses

us-gaap:OtherGeneralExpense

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherOperatingIncome
us-gaap:ConsolidationItems

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForRepurchaseOfPreferredStockAndPreferenceStock

us-gaap:PaymentsForRestructuring
us-gaap:RestructuringCostAndReserve

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt
us-gaap:BusinessAcquisition, us-gaap:StatementBusinessSegments
us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireHeldToMaturitySecurities

us-gaap:PaymentsToAcquireLoansAndLeasesHeldForInvestment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:PaymentsToAcquireLoansReceivable

us-gaap:PaymentsToAcquireOtherInvestments
us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:PreferredStockDividendsPerShareDeclared

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities

us-gaap:ProceedsFromPaymentsForInInterestBearingDepositsInBanks

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfLoansReceivable
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:ProceedsFromShortTermDebt

us-gaap:ProfessionalFees

us-gaap:ProvisionForLoanAndLeaseLosses
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:ProvisionForLoanLeaseAndOtherLosses

us-gaap:ProvisionForLoanLossesExpensed
us-gaap:ClassOfFinancingReceivableTypeOfBorrower
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities

us-gaap:RestructuringCharges
us-gaap:RestructuringCostAndReserve
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan
us-gaap:RestructuringPlan
us-gaap:ConsolidationItems
us-gaap:RevenueNotFromContractWithCustomer
us-gaap:ConsolidationItems, us-gaap:ProductOrService
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

us-gaap:StockRedeemedOrCalledDuringPeriodValue
us-gaap:StatementEquityComponents
us-gaap:ShareRepurchaseProgram
us-gaap:StockRepurchasedDuringPeriodShares
us-gaap:ShareRepurchaseProgram
us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:StockholdersEquityOther
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockholdersEquityOtherShares
us-gaap:ShareRepurchaseProgram
us-gaap:TreasuryStockAcquiredAverageCostPerShare
us-gaap:StatementEquityComponents
us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockValueAcquiredParValueMethod
us-gaap:StatementEquityComponents
us-gaap:ConsolidatedEntities
stt:AccruedTaxesExpensesAndOtherLiabilitiesDueToThirdParties
stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches
stt:AccumulatedOtherComprehensiveIncomeLossNetOfTaxAsAdjusted
us-gaap:ConsolidatedEntities, stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches
stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches
stt:AccumulatedOtherComprehensiveIncomeLossNetofTaxasAdjusted
us-gaap:ConsolidatedEntities, stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches
stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches
stt:AdjustedQuarterlyAverageAssets
us-gaap:ConsolidatedEntities, stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches

stt:AggregateFairValueOfCashAndSecuritiesHeldAsCollateralForIndemnifiedRepurchaseAgreements

stt:AggregateFairValueOfCashAndSecuritiesHeldAsCollateralForIndemnifiedSecurities

stt:AggregateFairValueOfIndemnifiedSecuritiesOnLoan

stt:AverageBalancesOfSecuritiesPurchasedUnderAgreementsToResellAndSecuritiesSoldUnderAgreementsToRepurchase
us-gaap:DerivativeInstrumentRisk
stt:CashCollateralProvidedForDerivativeInstruments

stt:CollateralforIndemnifiedSecuritiesInvestedinIndemnifiedRepurchaseAgreements

stt:DebtSecuritiesHeldtomaturityPurchasedUnderMoneyMarketFacility

stt:DebtSecuritiesHeldtomaturityUnderMoneyMarketFacilityAllowanceforCreditLoss

stt:DebtSecuritiesHeldtomaturityUnderMoneyMarketFacilityFairValue

stt:DeferredTaxAssetsForeignCurrencyTranslation

stt:DeferredTaxAssetsOperatingLossandOtherCarryforwards

stt:DeferredTaxAssetsOtherAmortizableAssets

stt:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLeaseLiability

stt:DeferredTaxLiabilitiesFixedAndIntangibleAssets

stt:DerivativeAssetCollateralObligationtoReturnSecuritiesandCashOffset

stt:DerivativeAssetReverseRepurchaseAgreementsAndSecuritiesBorrowedNotOffsetAgainstCollateral

stt:DerivativeCollateralObligationtoReturnSecuritiesandCash

stt:DerivativeCollateralObligationtoReturnSecuritiesandCashNetofOffset

stt:DerivativeCollateralRighttoReclaimSecuritiesandCash

stt:DerivativeCollateralRighttoReclaimSecuritiesandCashNetofOffset

stt:DerivativeLiabilityCollateralRighttoReclaimSecuritiesandCashOffset

stt:DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellAndSecuritiesLoanedNotOffsetAgainstCollateral

stt:ExpectedLossesFromOtherThanTemporaryImpairmentOnHeldToMaturitySecurities

stt:FinancingReceivableOriginatedMoreThanFiveYearsbeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:GeographicDistribution
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:GeographicDistribution, us-gaap:InternalCreditAssessment

stt:InvestmentGradeLoans
us-gaap:ConsolidatedEntities
stt:InvestmentsInSubsidiariesConsolidatedBankingSubsidiaries
us-gaap:ConsolidatedEntities
stt:InvestmentsInSubsidiariesConsolidatedNonBankingSubsidiary
us-gaap:ConsolidatedEntities
stt:InvestmentsInSubsidiariesUnconsolidatedEntities

stt:LeaseLiability

stt:LeaseLiabilityPaymentsDue

stt:LeaseLiabilityPaymentsDueAfterYearFive

stt:LeaseLiabilityPaymentsDueNextTwelveMonths

stt:LeaseLiabilityPaymentsDueYearFive

stt:LeaseLiabilityPaymentsDueYearFour

stt:LeaseLiabilityPaymentsDueYearThree

stt:LeaseLiabilityPaymentsDueYearTwo

stt:LeaseLiabilityUndiscountedExcessAmount

stt:LesseeOperatingLeaseLeaseNotYetCommencedAmount
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:GeographicDistribution
stt:LoansAndLeasesReceivableOverdrafts

stt:LoansNoLongerMeetingSimilarRiskofCollectivePool

stt:NetUnrealizedGainsLossesonAvailableforsaleSecurities

stt:NetUnrealizedLossOnAvailableForSaleSecuritiesDesignatedInFairValueHedges

stt:NetUnrealizedLossOnHedgesOfNetInvestments

stt:NetUnrealizedLossRelatedToReclassifiedSecurities
us-gaap:ConsolidatedEntities
stt:NotesAndOtherReceivablesConsolidatedBankingSubsidiary
us-gaap:ConsolidatedEntities
stt:NotesAndOtherReceivablesConsolidatedNonBankingSubsidiariesAndUnconsolidatedEntities

stt:OtherAssetsAdvances

stt:OtherAssetsCollateralNet

stt:OtherShortTermBorrowingsSubdivisions
us-gaap:InvestmentType
stt:OvernightMaturityAmortizedCost
us-gaap:InvestmentType
stt:OvernightMaturityFairValue

stt:ReceivableForSecuritySettlement

stt:RepurchaseAgreementsAndSecuritiesLendingFairValueAmountNotOffsetAgainstCollateral

stt:RepurchaseAgreementsAndSecuritiesLoanedAmountOffsetAgainstCollateral

stt:RepurchaseAgreementsAndSecuritiesLoanedCollateralRightToReclaimCash

stt:ReverseRepurchaseAgreementsAndSecuritiesBorrowedAmountOffsetAgainstCollateral

stt:ReverseRepurchaseAgreementsAndSecuritiesBorrowedAsset

stt:ReverseRepurchaseAgreementsAndSecuritiesBorrowedCollateralObligationToReturnCash

stt:ReverseRepurchaseAgreementsAndSecuritiesBorrowedFairValueAmountNotOffsetAgainstCollateral

stt:ReverseRepurchaseAgreementsAndSecuritiesBorrowedLiability

stt:ReverseRepurchaseAgreementsAndSecuritiesBorrowingFairValueGrossAsset

stt:ReverseRepurchaseAgreementsAndSecuritiesBorrowingFairValueGrossLiability
stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches
stt:RiskBasedCapitalAdjustmentCommonEquityTierOneCapitalOther
us-gaap:ConsolidatedEntities, stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches
stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches
stt:RiskBasedCapitalAdjustmentGoodwillandOtherIntangibleAssetsNetofAssociatedDeferredTaxLiabilitiesasAdjusted
us-gaap:ConsolidatedEntities, stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches
stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches
stt:RiskWeightedAssetsCreditRisk
us-gaap:ConsolidatedEntities, stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches
stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches
stt:RiskWeightedAssetsMarketRiskEquivalents
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us-gaap:ConsolidatedEntities
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnusedCommitmentsToExtendCredit
us-gaap:ConsolidatedEntities
us-gaap:VariableInterestEntityEntityMaximumLossExposureAmount
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

Plots across concepts


IncomeStatement
Comprehensive Income Net Of Tax
Expenses
Interest Expense
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
NonCurrent Assets
Deferred Income Tax Assets Net
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
Per Share
Common Stock Dividends Per Share Declared
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Proceeds From Short Term Debt
Shares
Weighted Average Number Of Shares Outstanding Basic
DividendsAndRepurchase
Dividends Common Stock Cash
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net
BanksAndOrInsurance
Interest And Dividend Income Operating
AssetsBanks
Financing Receivable Allowance For Credit Losses
LiabilitiesBanks
Long Term Debt And Capital Lease Obligations Including Current Maturities

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ██████████████████████████████████████████▁504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0502.0NANANA
 us-gaap:SharesIssued us-gaap:StatementEquityComponents us-gaap:CommonStock▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇██████████▂▂▁▁503.88503.88503.88503.88503.88503.88503.88503.88503.88503.88503.88503.88503.88503.88503.88503.88503.88503.88503.88503.88503.88503.88503.88503.88503.88503.88503.88503.88503.881503.881503.883503.885503.891503.896503.9503.918503.931503.941503.966504.001504.052503.995502.064502.029501.861501.748
 us-gaap:SharesIssued us-gaap:StatementEquityComponents us-gaap:TreasuryStock██████▇▇▇▇▆▆▇▇▇▇▇▇▆▆▆▆▆▅▅▅▅▅▄▄▄▄▃▃▃▃▂▂▂▁▁▁▁▁▁▁160.377155.847150.723151.082151.496151.936146.49140.256131.307127.159123.933124.39138.052138.472136.23133.039129.773127.52121.941118.309114.23108.316104.228100.08796.12692.56988.68583.94978.9173.4469.75462.58755.49648.30445.23835.09125.10914.24916.54210.9195.1580.4020.420.4380.4340.429
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█351.582355.69NA357.168356.413357.993NA370.595377.577381.703NA379.383370.41372.619NA378.518380.915386.417NA393.212398.847403.615NA412.167416.712418.75NA429.736435.32438.815NA452.154461.04462.751NA480.01488.518490.454NA494.78501.044500.98NA498.159498.886498.056
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁█345.889350.743NA352.586352.157353.746NA366.732373.773377.915NA374.963365.619367.439NA372.765375.395381.224NA388.358394.16399.421NA406.612410.674412.225NA421.974427.824430.621NA442.86452.176454.315NA472.355481.404484.942NA490.84496.806497.471NA495.729495.606494.588
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▁█0.1760.255NA1.3092.9890.918NA3.0373.3451.951NA1.361.2060.0NA0.00.2930.58NA2.1663.2773.92NA0.6190.6190.791NA0.8761.5081.504NA1.7882.332.488NA5.4435.5251.47NA3.6361.4341.311NA12.38614.29410.316
us-gaap:EarningsPerShareBasic █▅▅▆▇▆▅▆▆▅▄▇▇▆▄▆▆▅▆▅▆▃▅▅▄▄▄▅▅▃▅▅▅▄▄▅▄▃▃▄▄▄▁▄▄▄2.111.391.41000000000000011.471.881.641.35999999999999941.441.441.21.03000000000000021.891.911.650.91000000000000011.691.561.171.45000000000000021.311.480.81.331.340.960.911.13000000000000031.281.410.831.251.21.261.01.021.391.00.860.771.111.010.940.169999999999999931.090.870.99
us-gaap:EarningsPerShareDiluted █▅▆▆▇▆▅▆▆▅▄▇▇▆▄▆▆▅▆▅▆▃▅▅▄▄▅▅▅▃▅▅▅▄▄▅▄▄▃▄▄▄▁▄▄▄2.071.371.39000000000000061.451.861.621.34999999999999961.421.421.181.02000000000000051.871.881.620.89000000000000061.661.531.151.42999999999999971.291.470.791.30999999999999961.320.940.91.121.261.380.811.22000000000000021.171.240.981.01000000000000021.360.980.850.76000000000000021.11.00.930.15999999999999971.080.870.99
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches stt:BaselIIIAdvancedApproach▇▇██▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1.35e-051.36e-051.54e-051.51e-051.51e-071.34e-071.45e-071.59e-071.59e-071.59e-071.6e-071.79e-071.57e-071.54e-071.55e-071.58e-071.51e-071.44e-071.48e-071.54e-071.5e-07NA1.53e-07NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches stt:BaselIIIstandardizedApproach▇▇██▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1.29e-051.24e-051.4400000000000001e-051.47e-051.4599999999999998e-071.29e-071.4599999999999998e-071.4599999999999998e-071.49e-071.5e-071.55e-071.64e-071.43e-071.3700000000000002e-071.5e-071.45e-071.4199999999999997e-071.4699999999999998e-071.4699999999999998e-071.57e-071.5e-07NA1.59e-07NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities,stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches srt:Subsidiaries,stt:BaselIIIAdvancedApproach████▁▁▁▁▁▁▁1.65e-051.58e-051.65e-051.7e-051.71e-071.6800000000000002e-071.71e-071.84e-071.84e-071.85e-071.85e-07NANANA1.7199999999999998e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities,stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches srt:Subsidiaries,stt:BaselIIIstandardizedApproach▇▇██▁▁▁▁▁▁▁1.5e-051.4e-051.53e-051.64e-051.65e-071.59e-071.65e-071.65e-071.67e-071.7000000000000001e-071.76e-07NANANA1.66e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CapitalToRiskWeightedAssets stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches stt:BaselIIIAdvancedApproach▇███▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1.48e-051.5199999999999998e-051.62e-051.6e-051.6e-071.45e-071.56e-071.65e-071.66e-071.67e-071.6900000000000002e-071.87e-071.64e-071.64e-071.65e-071.6900000000000002e-071.62e-071.54e-071.6e-071.76e-071.71e-07NA1.74e-07NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CapitalToRiskWeightedAssets stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches stt:BaselIIIstandardizedApproach▇▇██▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1.43e-051.4e-051.53e-051.57e-051.57e-071.4099999999999998e-071.57e-071.53e-071.55e-071.59e-071.6300000000000002e-071.7199999999999998e-071.51e-071.4599999999999998e-071.6e-071.56e-071.5199999999999998e-071.59e-071.6e-071.79e-071.71e-07NA1.81e-07NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities,stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches srt:Subsidiaries,stt:BaselIIIAdvancedApproach█▇██▁▁▁▁▁▁▁1.7199999999999998e-051.67e-051.74e-051.8e-051.81e-071.8e-071.82e-071.9e-071.9e-071.9400000000000002e-071.9400000000000002e-07NANANA1.82e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities,stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches srt:Subsidiaries,stt:BaselIIIstandardizedApproach▇▇██▁▁▁▁▁▁▁1.58e-051.49e-051.63e-051.74e-051.76e-071.71e-071.7699999999999998e-071.71e-071.74e-071.79e-071.85e-07NANANA1.76e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 EBT Margin us-gaap:ConsolidationItems us-gaap:MaterialReconcilingItems53.0NANANANANANANANANA-8.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stt:InvestmentManagement▇▇█▇▆▅▇▆▆▆▆▇▇▇▅▅▄▄▃▄▁▁▁▁▂529.0506.0550.0506.0465.0453.0510.0479.0473.0460.0456.0507.0496.0497.0434.0437.0412.0407.0356.0381.0302.0288.0289.0286.0310.0NANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stt:InvestmentServicing▅▅▄▃▆█▇▅▅▆▇▅▇▇▅▅▅▂▁▂▃▁▂▃▃2452.02444.02367.02278.02472.02612.02538.02424.02400.02472.02538.02444.02530.02522.02412.02409.02398.02261.02174.02239.02271.02196.02249.02328.02298.0NANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:StatementGeographical country:US▆▅▅▃▆▆█▅▅▆▇▆▆▆▅▅▅▄▁▃▂▂▃▃▂▂1715.01613.01604.01487.01668.01701.01807.01649.01636.01701.01737.01665.01704.01698.01606.01627.01638.01572.01389.01503.01437.01459.01495.01526.01458.01453.0NANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:StatementGeographical us-gaap:NonUs▇▇▇▇▆█▅▆▅▅▆▆▇▇▅▅▄▂▃▃▃▁▁▂▄▄1319.01337.01313.01297.01269.01364.01241.01254.01237.01231.01249.01286.01322.01321.01240.01219.01172.01096.01141.01117.01136.01025.01043.01088.01150.01147.0NANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:ComprehensiveIncomeNetOfTax ▅▂▆▆▇▅▅▄▆▅▆▅▄▅▄▆▇▅▁▅▅▆▃▄▄▂▃▃▆▅▅▆▂▄▅█▄▆▃▃▆▆▃█▅▆759.0-86.0835.0874.01184.0590.0673.0472.0893.0768.0794.0542.0320.0596.0345.0971.01155.0737.0-454.0567.0586.0846.0223.0495.0417.0-90.092.0-36.0923.0646.0572.0949.0-195.0355.0644.01397.0252.0787.037.080.0911.0922.0176.01471.0610.0875.0
 us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:DisposalGroupClassification,us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations,stt:WealthManagementServices53.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments █▅▅▅▇▆▅▆▆▅▄▇▇▆▆▇▆▄▂▅▆▃▅▅▃▄▄▅▆▃▅▆▆▅▄█▅▄▄▅▆▅▁▆▂▆938.0627.0641.0681.0803.0774.0638.0721.0718.0635.0504.0867.0865.0763.0717.0822.0776.0584.0345.0636.0709.0430.0664.0652.0478.0504.0569.0688.0746.0455.0612.0703.0762.0609.0587.0941.0652.0586.0532.0629.0715.0660.0252.0782.0350.0702.0
us-gaap:IncomeTaxExpenseBenefit ▆▅▅▅▅▆▅▆▅▅▅▅▅▅█▆▆▅▁▅▅▅▅▅▅▅▅▅▅▅▅▆▆▆▅▇▆▆▆▅▆▆▆▇▃▆175.0108.0104.0126.0109.0140.074.0138.0131.0127.065.0102.0131.0102.0347.0137.0156.082.0-248.072.092.062.099.068.056.095.077.0128.0124.092.059.0163.0183.0145.0117.0267.0162.0159.0151.074.0202.0189.0169.0236.0-82.0207.0
us-gaap:InterestAndFeeIncomeLoansAndLeases ▆▅▅▅▆▇▇████▇▇▆▅▅▄▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁▂▁▂▁▂▁▁▂▂▂▂▂▂▄157.0141.0145.0138.0156.0184.0182.0194.0195.0198.0189.0173.0169.0155.0142.0139.0118.0105.097.097.093.091.082.079.077.074.083.064.061.058.059.058.079.056.070.057.071.055.063.068.067.080.075.069.074.0111.0
us-gaap:InterestExpense ▁▁▁▂▃▅▆▇█▇▆▅▅▅▄▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▄▄▄▄▄▄▄▅0.04.014.042.0115.0204.0270.0357.0394.0354.0285.0244.0248.0199.0181.0158.0125.0140.0102.0110.099.0117.0109.0101.094.096.0102.0101.089.0100.099.097.0104.0111.0111.0111.0114.0140.0159.0150.0147.0157.0178.0180.0188.0217.0
us-gaap:InterestExpenseLongTermDebt ▁▂▂▃▇▆▇▇██▇▇▇▇▅▄▄▄▃▃▂▂▃▂▂▂▂▂▃▃▃▂▁▂▁▁▁▃▃▄▄▄▄▄▄▄54.060.060.069.095.088.0102.099.0107.0106.096.0100.097.097.081.078.075.073.069.068.062.061.065.062.061.062.059.060.064.063.063.059.054.056.050.052.054.066.069.073.076.071.071.072.071.072.0
us-gaap:InterestIncomeExpenseNet ▁▁▂▁▄▆▆▆▅▇▇▇▆▆▅▅▄▂▂▃▂▂▂▂▃▃▄▄▄▃▄▃▅▄▅▅▇▅▅▄▄▄▆█▆▆467.0467.0499.0478.0559.0664.0636.0644.0613.0673.0697.0672.0659.0658.0616.0603.0575.0510.0514.0537.0521.0512.0494.0513.0535.0546.0574.0570.0561.0555.0585.0546.0596.0576.0622.0619.0672.0625.0606.0578.0572.0577.0656.0724.0658.0661.0
us-gaap:InterestIncomeOperating ▁▁▂▂▄▆▆███▇▇▆▆▅▅▄▃▃▃▃▃▃▃▃▃▄▄▃▃▄▃▄▄▄▄▅▅▅▄▄▄▆▆▆▆467.0471.0513.0520.0674.0868.0906.01001.01007.01027.0982.0916.0907.0857.0797.0761.0700.0650.0616.0647.0620.0629.0603.0614.0629.0642.0676.0671.0650.0655.0684.0643.0700.0687.0733.0730.0786.0765.0765.0728.0719.0734.0834.0904.0846.0878.0
us-gaap:MarketingAndAdvertisingExpense ▂▃▇▄▁▃█▇▇▇█▇▇▆▆▂▂16.017.027.020.012.018.031.029.027.027.031.029.029.026.025.014.015.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss █▅▆▆▇▇▆▆▆▅▅██▇▄▇▇▅▆▆▇▄▆▆▄▄▅▆▇▄▆▆▆▅▅▇▅▅▄▆▅▅▁▆▅▅763.0519.0537.0555.0694.0634.0564.0583.0587.0508.0439.0765.0734.0661.0370.0685.0620.0502.0593.0563.0619.0368.0564.0585.0422.0409.0492.0560.0622.0363.0553.0540.0579.0464.0470.0674.0490.0427.0381.0555.0513.0471.083.0546.0432.0495.0
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic █▅▆▆▇▆▅▆▆▅▄██▇▄▇▆▅▆▆▆▄▆▆▄▄▅▆▇▄▆▆▆▅▅▇▅▅▄▆▆▅▁▆▅▅728.0489.0498.0517.0662.0580.0492.0528.0537.0452.0398.0709.0698.0605.0334.0629.0584.0446.0557.0507.0585.0319.0535.0543.0393.0377.0473.0542.0602.0356.0545.0531.0571.0455.0468.0654.0480.0417.0371.0543.0502.0466.081.0540.0427.0492.0
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted 728.0NANANA662.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax -4.0NA-25.029.06.0117.0-7.07.01.024.0-6.030.040.0-97.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▆▄▇▇▆▃▇▄▆▅▆▅▃▆▆▇█▆▂▆▄▇▄▄▇▁▃▂▆▅▆▇▅▄▆▆▃▆49.0-200.0353.0283.0152.0-300.0239.0-264.042.0-26.0177.0-57.0-338.0151.0115.0259.0435.091.0-504.038.0-213.0306.0-180.0-145.0289.0-699.0-371.0-591.046.027.072.0326.0-55.0-248.0115.0172.0-299.0146.0NANANANANANANANA
us-gaap:OtherIncome 53.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:RealizedInvestmentGainsLosses NANA2.00.00.02.00.0-2.02.0-1.00.0-1.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stt:AccountServicing,stt:InvestmentServicing▇▆▃▃▂▂▃▂▁▁▃▄▆█1399.01371.01307.01301.01272.01287.01299.01272.01252.01251.01294.01333.01381.01421.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stt:ForeignExchangeTradingServices,stt:InvestmentManagement▆▅▁█▇▆▇▇▇▇▇▇▇▇16.013.0-35.042.032.025.035.035.033.034.033.033.033.030.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stt:ForeignExchangeTradingServices,stt:InvestmentServicing▁▆▅▄▆█▃▄▁▃▃▄▄▆83.095.092.090.095.0100.088.090.082.086.086.089.091.095.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stt:ManagementServices,stt:InvestmentManagement▅▅█▃▁▃▃▂▂▁▂▄▃▄504.0493.0551.0455.0425.0449.0465.0445.0441.0420.0440.0474.0465.0472.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stt:ProcessingServicesandOther,stt:InvestmentServicing█▆▆▆█▅▇▅▅▆▇▁▁▁156.0108.0121.0108.0151.0107.0139.097.0104.0116.0140.027.023.019.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stt:RevenueFromFees,stt:InvestmentManagement█▇█▆▁▃▆▄▃▁▃▇▆▆520.0506.0516.0497.0457.0474.0500.0480.0474.0454.0473.0507.0498.0502.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stt:RevenueFromFees,stt:InvestmentServicing█▆▃▂▄▂▃▁▁▁▄▁▄▅1699.01634.01570.01541.01581.01551.01576.01523.01513.01523.01588.01522.01585.01612.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stt:SecuritiesFinancingServices,stt:InvestmentServicing▄▄▂▁▄▃▂▄▆▅▅▆█▆61.060.050.042.063.057.050.064.075.070.068.073.090.077.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stt:InvestmentManagement███▇▆▇▇▇▇▆▇█▇▇▅▆▅▅▃▄▁▁▁▁▂520.0506.0516.0497.0457.0474.0500.0480.0474.0454.0473.0507.0498.0502.0434.0437.0412.0407.0356.0381.0302.0288.0289.0286.0310.0NANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,stt:InvestmentServicing█▆▃▂▄▂▃▁▁▁▄▁▄▅1699.01634.01570.01541.01581.01551.01576.01523.01513.01523.01588.01522.01585.01612.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Revenues █▇▇▆▇██▇▇▇▇▇██▆▆▆▅▄▅▅▄▄▅▅▅▅▅▅▄▄▄▅▄▄▃▄▄▃▄▄▃▁▃▃▃3034.02950.02917.02784.02937.03065.03048.02903.02873.02932.02986.02951.03026.03019.02846.02846.02810.02668.02530.02620.02573.02484.02522.02619.02614.02605.02630.02582.02598.02485.02464.02425.02560.02435.02449.02356.02423.02421.02315.02427.02491.02361.02043.02310.02304.02296.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ▇▆▆▅▅█▄▄▄▃▄▄▄▄▄▄▄▄▄▄▄▄▄▄▆▅▅▅▅▄▄▃▃▃▃▃▂▂▃▃▂▁▁326528.0316885.0314706.0272075.0280242.0362527.0245610.0244606.0241540.0228332.0244626.0234007.0248308.0250286.0238425.0235986.0238274.0236802.0242698.0256140.0255386.0243685.0245192.0247274.0294571.0279476.0274119.0274805.0282324.0256663.0243291.0217180.0227300.0218189.0222582.0204522.0200777.0187956.0216827.0208795.0190455.0171796.0160505.0NANANA
us-gaap:Liabilities ▇▆▆▅▅█▄▄▄▃▄▃▄▄▄▄▄▄▄▄▄▄▄▄▆▅▅▅▅▄▄▃▃▃▃▂▂▂▃▃▂▁▁301361.0291880.0288506.0246517.0255369.0338666.0221179.0219397.0216086.0203294.0219836.0209454.0225737.0227887.0216108.0213489.0216206.0215508.0221479.0233959.0233282.0222157.0224057.0225742.0273071.0258657.0252646.0253649.0260624.0235390.0222913.0196750.0207219.0197320.0201713.0183773.0180880.0167797.0197429.0189144.0170621.0152616.0142718.0NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▇▆▆▅▅█▄▄▄▃▄▄▄▄▄▄▄▄▄▄▄▄▄▄▆▅▅▅▅▄▄▃▃▃▃▃▂▂▃▃▂▁▁326528.0316885.0314706.0272075.0280242.0362527.0245610.0244606.0241540.0228332.0244626.0234007.0248308.0250286.0238425.0235986.0238274.0236802.0242698.0256140.0255386.0243685.0245192.0247274.0294571.0279476.0274119.0274805.0282324.0256663.0243291.0217180.0227300.0218189.0222582.0204522.0200777.0187956.0216827.0208795.0190455.0171796.0160505.0NANANA
us-gaap:StockholdersEquity ▇▇██▇▆▇▇█▇▇▇▆▆▅▆▅▅▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▅▅▄▄▄▄▄▄▃▃▂▁▁25167.025005.026200.025558.024873.023861.024431.025209.025454.025038.024790.024553.022571.022399.022317.022497.022068.021294.021219.022150.022073.021496.021103.021500.021500.020819.021473.021156.021700.021273.020378.020430.020081.020869.020869.020749.019897.020159.019398.019651.019834.019180.017787.017569.016059.015410.0
 us-gaap:TierOneRiskBasedCapital stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches stt:BaselIIIAdvancedApproach▂▁█▅▂15667.015419.016848.016296.015639.0NA15175.015919.016058.015589.015270.017393.015419.015146.015382.015606.015165.014475.014717.015407.015642.0NA15264.0NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:TierOneRiskBasedCapital stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches stt:BaselIIIstandardizedApproach▂▁█▅▂15667.015419.016848.016296.015639.0NA15175.015919.016058.015589.015270.017393.015419.015146.015382.015606.015165.014475.014717.015407.015642.0NA15264.0NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:TierOneRiskBasedCapital us-gaap:ConsolidatedEntities,stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches srt:Subsidiaries,stt:BaselIIIAdvancedApproach█▃▅▆▃▅▁▆▇▄▃17853.017021.017306.017578.016998.017342.016617.017466.017611.017196.016941.0NANANA16531.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:TierOneRiskBasedCapital us-gaap:ConsolidatedEntities,stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches srt:Subsidiaries,stt:BaselIIIstandardizedApproach█▃▅▆▃▅▁▆▇▄▃17853.017021.017306.017578.016998.017342.016617.017466.017611.017196.016941.0NANANA16531.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▇▇▄█▅█▄▅▅▇▅▆▅▂▁4619.04552.03467.04848.03685.04932.03302.03598.03742.04469.03597.04279.03886.02546.02107.0NANANA1204.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment █▇▇▇▆▆▅▅▄▄▅▄▄▄▄▃▃▂▂▁▁▇▇▇▇▆▆▆▆▆▆▅▅▄▄▄▃▃▃▃▂▂▂5108.04960.04825.04744.04591.04459.04367.04235.04091.03937.04152.04110.03999.04005.03881.03750.03611.03463.03333.03271.03164.04929.04820.04768.04780.04653.04599.04538.04620.04521.04417.04319.04199.04109.04037.03955.03842.03814.03673.03629.03580.03523.03425.0NANANA
us-gaap:AmortizationOfIntangibleAssets ▅▅▅▅▅▅▅▅▅▅█▃▃▃▄▄▄▄▄▄▃▃▃▃▃▃▅▄▄▄▄▄▄▄▄▃▃▄▄▃▃▃▃▄▃▁63.058.059.059.058.058.058.059.059.060.081.047.048.050.054.054.054.052.054.055.049.049.050.048.049.050.060.054.054.054.054.053.054.053.053.046.048.051.051.050.050.049.047.052.046.034.0
us-gaap:PropertyPlantAndEquipmentNet ▆▆▆▇▇▇██▇▇▇▇▇▇▇▆▆▆▅▅▄▄▃▄▅▄▄▃▄▃▃▂▂▂▁▁▁▁▂▁▃▃▃2169.02143.02154.02193.02212.02225.02282.02306.02244.02230.02214.02193.02189.02194.02186.02167.02137.02101.02062.02042.01994.01949.01894.01984.02035.01933.01937.01911.01920.01896.01860.01816.01772.01756.01728.01720.01702.01736.01747.01738.01853.01845.01843.0NANANA
us-gaap:Goodwill ██████████▇▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▄▃▃▄▄▃▃▃▁7629.07629.07683.07607.07538.07506.07556.07500.07565.07549.07446.06016.05973.06068.06022.05997.05945.05855.05814.05911.05671.05733.05671.05716.05729.05663.05826.05899.06037.06038.06036.06006.05924.05912.05977.05650.05611.05700.05645.05639.05748.05720.05597.05521.05380.04515.0
us-gaap:FiniteLivedIntangibleAssetsNet ▄▅▃▄▄▄▅▅▆▆▇▁▁▂▂▂▃▃▃▄▂▃▃▃▄▄▅▅▆▆▇▇▇▇█▇▇1933.02007.01827.01870.01914.01963.02030.02077.02155.02208.02369.01461.01500.01578.01613.01658.01693.01710.01750.01849.01682.01749.01768.01820.01871.01892.02025.02121.02247.02306.02360.02396.02406.02452.02539.02311.02334.0NA2459.0NANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▁▁▃▅▆▆▇▆▇█622.0632.0720.0789.0802.0815.0858.0834.0876.0899.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA167.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA147.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA112.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA93.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA275.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ▇▇██▇▆▇▇█▇▇▇▆▆▅▆▅▅▅▅▅▅▅▅▅▅▅▅▅▅▄▄▄▅▅▄▄▄▄▄▄▃▃▂▁▁25167.025005.026200.025558.024873.023861.024431.025209.025454.025038.024790.024553.022571.022399.022317.022497.022068.021294.021219.022150.022073.021496.021103.021500.021500.020819.021473.021156.021700.021273.020378.020430.020081.020869.020869.020749.019897.020159.019398.019651.019834.019180.017787.017569.016059.015410.0
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▇▆█▇▆▅▆▇▇▆▆▆▃▃▃▃▂▁▁▂▂▂▁▂25167.025005.026200.025558.024873.023861.024431.025209.025454.025038.024790.024553.022571.022399.022317.022497.022068.021294.021219.022181.022104.021528.021135.021532.0NANA21473.0NANANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockValue ██████████████████████████████████████████▁504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0504.0502.0NANANA
us-gaap:AdditionalPaidInCapital ▇▇▇▇▆▆▆▆▆▆▆█▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▂▂▂▂▁▁10246.010227.010205.010192.010179.010155.010132.010117.010109.010082.010061.010418.09820.09796.09799.09803.09803.09796.09782.09778.09767.09739.09746.09742.09744.09744.09791.09780.09765.09737.09776.09753.09713.09669.09667.09634.09623.09546.09557.09528.09474.09416.09356.0NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ███▇▇▇▇▇▇▆▆▆▆▆▆▅▅▅▅▅▅▄▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁24300.023751.023442.023128.022794.022315.021918.021612.021274.020911.020606.020387.019856.019311.018856.018675.018202.017762.017459.017047.016686.016233.016049.015795.015390.015135.014882.014531.014114.013639.013395.012963.012545.012090.011751.011392.010846.010478.010176.09889.09430.09013.08634.0NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▅▇▆▅▄▄▄▄▃▃▂▃▄▄▄▃▂▁▄▄▄▃▄▄▄▅▆█▇▆▆▅▇█▇▅▆▅▆▇▆▅-422.0-418.0187.0-111.0-430.0-920.0-876.0-985.0-874.0-1180.0-1356.0-1711.0-1488.0-1074.0-1009.0-984.0-1270.0-1805.0-2040.0-993.0-997.0-964.0-1442.0-1101.0-1011.0-1006.0-507.0-107.0489.0188.0-95.0-114.0-523.0251.0360.0186.0-537.0-299.0-659.0-315.0160.0-238.0-689.0NANANA
us-gaap:TreasuryStockValue █▅▁▁11437.011035.010609.010626.0NA10664.010209.09729.09249.08969.08715.08735.09317.09334.09029.08697.08367.08159.07682.07382.07083.06719.06457.06143.05830.05519.05158.04785.04405.04028.03693.03166.02648.02134.01902.01455.01039.0570.0680.0455.0234.015.016.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁▃▇▂▆▇▆█▅▅▆█▄██▄▅▇▅▄▆▇▇▅▂▅▅▄▄▆▅▆▄▅▆▆▄▆█▆▃▄▅▄▆▆-7593.0-3732.03376.0-5219.01336.04039.01053.04717.0415.0-495.01633.05422.0-1434.04836.05076.0-2142.0490.03509.014.0-2736.02160.02852.03379.0-255.0-4924.0397.0403.0-1410.0-1501.01947.0-924.01097.0-2260.0113.02230.01045.0-2764.01315.05487.02261.0-3026.0-1348.0-169.0-2410.01599.01803.0
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▅▄▆█▁▅▅▅▆▅▆▅▅▅▅▅▅▆▅▅▆▅▇▅▅▅▆▄▅▄▆▅▆▄▅▅▆▄▅▅▅▆▅▅▅-9892.06804.0-39412.012173.074478.0-112773.0-5523.0-5656.0-13118.021671.0-15927.013163.07241.0-8973.0-10831.05863.01806.03210.09782.0-3266.0-10313.08027.0-4798.046630.0-15846.0-991.0-4585.010571.0-19964.0-14514.0-25515.08997.0-5683.08116.0-24073.0-1608.0-5233.026323.0-24572.0-9921.0-13808.0-5594.09194.0-4984.0-3939.02921.0
us-gaap:NetCashProvidedByUsedInFinancingActivities ▅▄▅▄▁█▄▄▄▃▄▃▄▄▄▄▄▄▃▄▄▄▄▂▅▄▄▃▅▄▅▃▄▄▅▄▄▃▄▄▅▄▃▄▄▄17552.0-1987.034655.0-5791.0-77061.0110364.04174.01180.011976.0-20304.013746.0-18326.0-4467.04576.03923.0-2938.0-2049.0-5124.0-11972.04819.09091.0-8351.0-1034.0-45799.020705.01888.01891.0-11262.023835.013224.025763.0-11677.08714.0-6111.018001.0907.012702.0-28448.011791.012575.018769.06268.0-10297.06665.05555.0-5268.0
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▇▁▇▁█▄▅▃▆▂▅▇▅67.01085.0-1381.01163.0-1247.01630.0-296.0241.0-727.0872.0-1067.0496.01340.0439.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▃▃▂▃▃▃▂▃▃▃▃▃▃▃▄▂▃▃▁▃▃▃▂▃▃▃▃▃▃▃▃▃▃▃▄▃▂▃▄▃▃▃█▃▃▃11.0-26.0-159.0-38.0-5.08.0-145.0-41.091.0-35.0-47.0-5.0-58.0-35.0312.0-161.0-53.0-3.0-389.063.0-9.0-23.0-156.0-64.052.00.096.0-36.012.07.035.0-60.080.057.0269.011.0-133.078.0314.0-81.0-25.010.01035.084.016.0109.0
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁▃▇▂▆▇▆█▅▅▆█▄██▄▅▇▅▄▆▇▇▅▂▅▅▄▄▆▅▆▄▅▆▆▄▆█▆▃▄▅▄▆▆-7593.0-3732.03376.0-5219.01336.04039.01053.04717.0415.0-495.01633.05422.0-1434.04836.05076.0-2142.0490.03509.014.0-2736.02160.02852.03379.0-255.0-4924.0397.0403.0-1410.0-1501.01947.0-924.01097.0-2260.0113.02230.01045.0-2764.01315.05487.02261.0-3026.0-1348.0-169.0-2410.01599.01803.0
us-gaap:NetIncomeLoss █▅▆▆▇▇▆▆▆▅▅██▇▄▇▇▅▆▆▇▄▆▆▄▄▅▆▇▄▆▆▆▅▅▇▅▅▄▆▅▅▁▆▅▅763.0519.0537.0555.0694.0634.0564.0583.0587.0508.0439.0765.0734.0661.0370.0685.0620.0502.0593.0563.0619.0368.0564.0585.0422.0409.0492.0560.0622.0363.0553.0540.0579.0464.0470.0674.0490.0427.0381.0555.0513.0471.083.0546.0432.0495.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▅▄▆█▁▅▅▅▆▅▆▅▅▅▅▅▅▆▅▅▆▅▇▅▅▅▆▄▅▄▆▅▆▄▅▅▆▄▅▅▅▆▅▅▅-9892.06804.0-39412.012173.074478.0-112773.0-5523.0-5656.0-13118.021671.0-15927.013163.07241.0-8973.0-10831.05863.01806.03210.09782.0-3266.0-10313.08027.0-4798.046630.0-15846.0-991.0-4585.010571.0-19964.0-14514.0-25515.08997.0-5683.08116.0-24073.0-1608.0-5233.026323.0-24572.0-9921.0-13808.0-5594.09194.0-4984.0-3939.02921.0
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▇▆▅▅▅▄▅█▆▆▆▅▅▅▅▅▅▆▅▅▅▆▅█▇▃▄▂▄▄▄▁▄▄▄▄▂▃▃▁▄▃▄▃▂▁197.0162.0136.0153.0157.0114.0161.0227.0171.0171.0173.0151.0138.0147.0152.0160.0161.0164.0136.0149.0160.0168.0160.0242.0205.096.0129.064.0124.0110.0129.031.0109.0119.0101.0111.058.085.089.017.0103.089.0105.078.054.025.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▅▄▅▄▁█▄▄▄▃▄▃▄▄▄▄▄▄▃▄▄▄▄▂▅▄▄▃▅▄▅▃▄▄▅▄▄▃▄▄▅▄▃▄▄▄17552.0-1987.034655.0-5791.0-77061.0110364.04174.01180.011976.0-20304.013746.0-18326.0-4467.04576.03923.0-2938.0-2049.0-5124.0-11972.04819.09091.0-8351.0-1034.0-45799.020705.01888.01891.0-11262.023835.013224.025763.0-11677.08714.0-6111.018001.0907.012702.0-28448.011791.012575.018769.06268.0-10297.06665.05555.0-5268.0
us-gaap:ProceedsFromIssuanceOfLongTermDebt ▁▃▁▁▁█0.0844.0-8.00.00.02497.0NANA0.00.0995.00.0NANA0.00.0NANA0.00.01492.00.0-12.02995.0915.0-915.0994.00.0NANA993.00.0NANA998.00.00.00.00.00.00.01986.0NANANANA
us-gaap:PaymentsOfDividends ▇▇█▇▇█████▇▇▇▇▇▇▆▇▆▆▆▆▆▆▅▆▅▅▅▄▄▅▅▄▄▄▅▄▄▄▄▁▁▁▁▁215.0209.0223.0221.0215.0230.0239.0230.0227.0234.0220.0209.0189.0210.0191.0198.0178.0201.0182.0188.0169.0184.0166.0181.0152.0156.0143.0145.0131.0120.0121.0123.0132.0110.0122.0122.0124.095.096.096.098.05.05.05.05.05.0
us-gaap:PaymentsForRepurchaseOfCommonStock ▆▇▁▁▁▇▇▇▅▅▁▁▁▅▅▅▄▅▅▅▇▄█▃▅▇▆▆▆▆███▆▇▇▇▁▄▄425.0475.00.00.00.0515.0485.0500.0300.0300.00.00.00.0350.0350.0350.0238.0354.0336.0314.0447.0268.0559.0178.0313.0470.0410.0410.0410.0420.0560.0560.0560.0360.0480.0480.0480.00.0225.0225.0NANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504502495
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.10.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.30.30.20.20.30.30.30.3

Shares Issued

us-gaap:SharesIssued us-gaap:StatementEquityComponents

us-gaap:SharesIssued

us-gaap:CommonStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value503503503503503503503503503503503503503503503503503503503503503503503503503503503503503503503503503503503503503503503504504503502502501501495431398
Percentage of SharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock


Shares
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value160155150151151151146140131127123124138138136133129127121118114108104100969288837873696255484535251416105.1580.4020.420.4380.4340.4290.4320.41812
Percentage of SharesIssued31.830.929.930.030.130.229.127.826.125.224.624.727.427.527.026.425.825.324.223.522.721.520.719.919.118.417.616.715.714.613.812.411.09.69.07.05.02.83.32.21.00.10.10.10.10.10.10.13.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value351355357356357370377381379370372378380386393398403412416418429435438452461462480488490494501500498498498
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value345350352352353366373377374365367372375381388394399406410412421427430442452454472481484490496497495495494
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value0.1760.2551.3092.9890.9183.0373.3451.9511.361.2060.00.00.2930.582.1663.2773.920.6190.6190.7910.8761.5081.5041.7882.332.4885.4435.5251.473.6361.4341.311121410
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.111.391.411.471.881.641.361.441.441.21.031.891.911.650.911.691.561.171.451.311.480.81.331.340.960.911.131.281.410.831.251.21.261.01.021.391.00.860.771.111.010.940.171.090.870.99
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.071.371.391.451.861.621.351.421.421.181.021.871.881.620.891.661.531.151.431.291.470.791.311.320.940.91.121.261.380.811.221.171.240.981.011.360.980.850.761.11.00.930.161.080.870.99
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Tier One Risk Based Capital To Risk Weighted Assets

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets

stt:BaselIIIAdvancedApproach


Tier
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value13.513.615.415.10.1510.1340.1450.1590.1590.1590.160.1790.1570.1540.1550.1580.1510.1440.1480.1540.150.153
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:BaselIIIstandardizedApproach


Tier
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value12.912.414.414.70.1460.1290.1460.1460.1490.150.1550.1640.1430.1370.150.1450.1420.1470.1470.1570.150.159
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets95.691.293.597.496.796.3100.791.893.794.396.991.691.189.096.891.894.0102.199.3101.9100.0103.9

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities, stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches

srt:Subsidiaries, stt:BaselIIIAdvancedApproach


Tier
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value16.515.816.517.00.1710.1680.1710.1840.1840.1850.1850.172
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets122.2116.2107.1112.6113.2125.4117.9115.7115.7116.4115.6111.0

srt:Subsidiaries, stt:BaselIIIstandardizedApproach


Tier
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value15.014.015.316.40.1650.1590.1650.1650.1670.170.1760.166
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets111.1102.999.4108.6109.3118.7113.8103.8105.0106.9110.0107.1

Capital To Risk Weighted Assets

us-gaap:CapitalToRiskWeightedAssets stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches

us-gaap:CapitalToRiskWeightedAssets

stt:BaselIIIAdvancedApproach


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value14.815.216.216.00.160.1450.1560.1650.1660.1670.1690.1870.1640.1640.1650.1690.1620.1540.160.1760.1710.174
Percentage of CapitalToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:BaselIIIstandardizedApproach


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value14.314.015.315.70.1570.1410.1570.1530.1550.1590.1630.1720.1510.1460.160.1560.1520.1590.160.1790.1710.181
Percentage of CapitalToRiskWeightedAssets96.692.194.498.198.197.2100.692.793.495.296.492.092.189.097.092.393.8103.2100.0101.7100.0104.0

us-gaap:CapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities, stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches

srt:Subsidiaries, stt:BaselIIIAdvancedApproach


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value17.216.717.418.00.1810.180.1820.190.190.1940.1940.182
Percentage of CapitalToRiskWeightedAssets116.2109.9107.4112.5113.1124.1116.7115.2114.5116.2114.8110.3

srt:Subsidiaries, stt:BaselIIIstandardizedApproach


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value15.814.916.317.40.1760.1710.1770.1710.1740.1790.1850.176
Percentage of CapitalToRiskWeightedAssets106.898.0100.6108.7110.0117.9113.5103.6104.8107.2109.5106.7

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value759-86.083587411845906734728937687945423205963459711155737-454.0567586846223495417-90.092-36.0923646572949-195.0355644139725278737809119221761471610875
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating162.5-18.3162.8168.1175.768.074.347.288.774.880.959.235.369.543.3127.6165.0113.4-73.787.694.5134.537.080.666.3-14.013.6-5.4142.098.683.6147.6-27.951.787.9191.432.1102.94.811.0126.7125.621.1162.772.199.7

Disposal Group Not Discontinued Operation Gain Loss On Disposal

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

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal

us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations, stt:WealthManagementServices


Disposal
Period End2021-06-30
Value53
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal100.0
Percentage of InterestAndDividendIncomeOperating11.3
Percentage of InterestAndDividendIncomeOperating us-gaap:DisposalGroupDisposedOfBySaleNotDiscontinuedOperations stt:WealthManagementServices0.0

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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value938627641681803774638721718635504867865763717822776584345636709430664652478504569688746455612703762609587941652586532629715660252782350702
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating200.9133.1125.0131.0119.189.270.472.071.361.851.394.795.489.090.0108.0110.989.856.098.3114.468.4110.1106.276.078.584.2102.5114.869.589.5109.3108.988.680.1128.983.076.669.586.499.489.930.286.541.480.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value43-56.0-145.0-6.0-12.0-11.0-279.0-45.0-12.0-23.0-321.00.0-77.00.0-132.0-34.0-71.0-29.0-42.0-33.0-17.0-107.0-5.0-85.0-3.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments4.6-8.9-22.6-0.9-1.5-1.4-43.7-6.2-1.7-3.6-63.70.0-8.90.0-18.4-4.1-9.1-5.0-12.2-5.2-2.4-24.9-0.8-13.0-0.6
Percentage of InterestAndDividendIncomeOperating9.2-11.9-28.3-1.2-1.8-1.3-30.8-4.5-1.2-2.2-32.70.0-8.50.0-16.6-4.5-10.1-4.5-6.8-5.1-2.7-17.0-0.8-13.8-0.5
Percentage of InterestAndDividendIncomeOperating us-gaap:MaterialReconcilingItems0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OperatingSegments, stt:InvestmentManagement


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value183109175148112681311069654851211079910212310178-45.0645832388259
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments19.517.427.321.713.98.820.514.713.48.516.914.012.413.014.215.013.013.4-13.010.18.27.45.712.612.3
Percentage of InterestAndDividendIncomeOperating39.223.134.128.516.67.814.510.69.55.38.713.211.811.612.816.214.412.0-7.39.99.45.16.313.49.4
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments stt:InvestmentManagement0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, stt:InvestmentServicing


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value712574611539703717786660634604740746835664747733746535432605668505647650416
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments75.991.595.379.187.592.6123.291.588.395.1146.886.096.587.0104.289.296.191.6125.295.194.2117.497.499.787.0
Percentage of InterestAndDividendIncomeOperating152.5121.9119.1103.7104.382.686.865.963.058.875.481.492.177.593.796.3106.682.370.193.5107.780.3107.3105.966.1
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments stt:InvestmentServicing0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:StatementGeographical

country:US


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value562315357389559489390377405386183370438368406480452322133322365254433392121157
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments59.950.255.757.169.663.261.152.356.460.836.342.750.648.256.658.458.255.138.650.651.559.165.260.125.331.2
Percentage of InterestAndDividendIncomeOperating120.366.969.674.882.956.343.037.740.237.618.640.448.342.950.963.164.649.521.649.858.940.471.863.819.224.5
Percentage of InterestAndDividendIncomeOperating country:US0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NonUs


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value376312284292244285248344313249321497427395311342324262212314344176247255351342
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments40.149.844.342.930.436.838.947.743.639.263.757.349.451.843.441.641.844.961.449.448.540.937.239.173.467.9
Percentage of InterestAndDividendIncomeOperating80.566.255.456.236.232.827.434.431.124.232.754.347.146.139.044.946.340.334.448.555.528.041.041.555.853.3
Percentage of InterestAndDividendIncomeOperating us-gaap:NonUs0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value175108104126109140741381311276510213110234713715682-248.07292629968569577128124925916318314511726716215915174202189169236-82.0207
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating37.522.920.324.216.216.18.213.813.012.46.611.114.411.943.518.022.312.6-40.311.114.89.916.411.18.914.811.419.119.114.08.625.326.121.116.036.620.620.819.710.228.125.720.326.1-9.723.6

Interest And Fee Income Loans And Leases

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestAndFeeIncomeLoansAndLeases


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value157141145138156184182194195198189173169155142139118105979793918279777483646158595879567057715563686780756974111
Percentage of InterestAndFeeIncomeLoansAndLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating33.629.928.326.523.121.220.119.419.419.319.218.918.618.117.818.316.916.215.715.015.014.513.612.912.211.512.39.59.48.98.69.011.38.29.57.89.07.28.29.39.310.99.07.68.712.6

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.04.01442115204270357394354285244248199181158125140102110991171091019496102101891009997104111111111114140159150147157178180188217
Percentage of InterestExpense0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.00.82.78.117.123.529.835.739.134.529.026.627.323.222.720.817.921.516.617.016.018.618.116.414.915.015.115.113.715.314.515.114.916.215.115.214.518.320.820.620.421.421.319.922.224.7

Interest Expense Long Term Debt

us-gaap:InterestExpenseLongTermDebt

us-gaap:InterestExpenseLongTermDebt


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value546060699588102991071069610097978178757369686261656261625960646363595456505254666973767171727172
Percentage of InterestExpenseLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating11.612.711.713.314.110.111.39.910.610.39.810.910.711.310.210.210.711.211.210.510.09.710.810.19.79.78.78.99.89.69.29.27.78.26.87.16.98.69.010.010.69.78.58.08.48.2

Interest Income Expense Net

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value467467499478559664636644613673697672659658616603575510514537521512494513535546574570561555585546596576622619672625606578572577656724658661
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating100.099.297.391.982.976.570.264.360.965.571.073.472.776.877.379.282.178.583.483.084.081.481.983.685.185.084.984.986.384.785.584.985.183.884.984.885.581.779.279.479.678.678.780.177.875.3

us-gaap:InterestIncomeExpenseNet us-gaap:ConsolidationItems

us-gaap:OperatingSegments


Interest
Period End2021-03-31
Value-6.0
Percentage of InterestIncomeExpenseNet-1.3
Percentage of InterestAndDividendIncomeOperating-1.3
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments0.0

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

us-gaap:OperatingSegments, stt:InterestIncomeNet, stt:InvestmentManagement


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1.0-6.04.0-4.0-12.01.0-3.0-5.0-10.0-6.0-3.0-8.0-4.0-5.0
Percentage of InterestIncomeExpenseNet-0.2-1.30.8-0.8-2.10.2-0.5-0.8-1.6-0.9-0.4-1.2-0.6-0.8
Percentage of InterestAndDividendIncomeOperating-0.2-1.30.8-0.8-1.80.1-0.3-0.5-1.0-0.6-0.3-0.9-0.4-0.6
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments stt:InterestIncomeNet stt:InvestmentManagement0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, stt:InterestIncomeNet, stt:InvestmentServicing


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value468473495482571663639649623679700680663648
Percentage of InterestIncomeExpenseNet100.2101.399.2100.8102.199.8100.5100.8101.6100.9100.4101.2100.698.5
Percentage of InterestAndDividendIncomeOperating100.2100.496.592.784.776.470.564.861.966.171.374.273.175.6
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments stt:InterestIncomeNet stt:InvestmentServicing0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OperatingSegments, stt:InvestmentManagement


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-1.0-6.04.0-4.0-12.01.0-3.0-5.0-10.0-6.0-3.0-8.0-4.0-5.0-2.0-3.0-1.01.00.01.01.01.01.0-1.01.0
Percentage of InterestIncomeExpenseNet-0.2-1.30.8-0.8-2.10.2-0.5-0.8-1.6-0.9-0.4-1.2-0.6-0.8-0.3-0.5-0.20.20.00.20.20.20.2-0.20.2
Percentage of InterestAndDividendIncomeOperating-0.2-1.30.8-0.8-1.80.1-0.3-0.5-1.0-0.6-0.3-0.9-0.4-0.6-0.3-0.4-0.10.20.00.20.20.20.2-0.20.2
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments stt:InvestmentManagement0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, stt:InvestmentServicing


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value468473495482571663639649623679700680663663618606576509514536520511493514534
Percentage of InterestIncomeExpenseNet100.2101.399.2100.8102.199.8100.5100.8101.6100.9100.4101.2100.6100.8100.3100.5100.299.8100.099.899.899.899.8100.299.8
Percentage of InterestAndDividendIncomeOperating100.2100.496.592.784.776.470.564.861.966.171.374.273.177.477.579.682.378.383.482.883.981.281.883.784.9
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments stt:InvestmentServicing0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestIncomeExpenseNet us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1815151715-8.02.03.04.0-15.04.04.05.0
Percentage of InterestIncomeExpenseNet3.93.23.03.62.7-1.20.30.50.7-2.20.60.60.8
Percentage of InterestAndDividendIncomeOperating3.93.22.93.32.2-0.90.20.30.4-1.50.40.40.6
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Income Operating

us-gaap:InterestIncomeOperating

us-gaap:InterestIncomeOperating


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value467471513520674868906100110071027982916907857797761700650616647620629603614629642676671650655684643700687733730786765765728719734834904846878
Percentage of InterestIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Marketing And Advertising Expense

us-gaap:MarketingAndAdvertisingExpense

us-gaap:MarketingAndAdvertisingExpense


Marketing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1617272012183129272731292926251415
Percentage of MarketingAndAdvertisingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating3.43.65.33.81.82.13.42.92.72.63.23.23.23.03.11.82.1

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value76351953755569463456458358750843976573466137068562050259356361936856458542240949256062236355354057946447067449042738155551347183546432495
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating163.4110.2104.7106.7103.073.062.358.258.349.544.783.580.977.146.490.088.677.296.387.099.858.593.595.367.163.772.883.595.755.480.884.082.767.564.192.362.355.849.876.271.364.210.060.451.156.4

us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value20238.018175.0-5.02.04.0-9.00.04.01210.0
Percentage of NetIncomeLoss2.64.41.53.22.40.8-0.90.30.7-1.80.00.51.61.5
Percentage of InterestAndDividendIncomeOperating4.34.91.63.52.50.6-0.60.20.4-0.90.00.41.31.2
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value76351953755569463456458358750843976473366137068562050259356361936857658141440949256062236355354057946447067449042738155551347183546432495
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.999.9100.0100.0100.0100.0100.0100.0100.0100.0100.0102.199.398.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating163.4110.2104.7106.7103.073.062.358.258.349.544.783.480.877.146.490.088.677.296.387.099.858.595.594.665.863.772.883.595.755.480.884.082.767.564.192.362.355.849.876.271.364.210.060.451.156.4
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value72848949851766258049252853745239870969860533462958444655750758531953554339337747354260235654553157145546865448041737154350246681540427492
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating155.9103.897.199.498.266.854.352.753.344.040.577.477.070.641.982.783.468.690.478.494.450.788.788.462.558.770.080.892.654.479.782.681.666.263.889.661.154.548.574.669.863.59.759.750.556.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302020-06-30
Value728662
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0
Percentage of InterestAndDividendIncomeOperating155.998.2

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

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-4.0-25.0296.0117-7.07.01.024-6.03040-97.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-0.9-4.95.60.913.5-0.80.70.12.3-0.63.34.4-11.3

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value49-200.0353283152-300.0239-264.042-26.0177-57.0-338.015111525943591-504.038-213.0306-180.0-145.0289-699.0-371.0-591.0462772326-55.0-248.0115172-299.0146
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating10.5-42.568.854.422.6-34.626.4-26.44.2-2.518.0-6.2-37.317.614.434.062.114.0-81.85.9-34.448.6-29.9-23.645.9-108.9-54.9-88.17.14.110.550.7-7.9-36.115.723.6-38.019.1

Other Income

us-gaap:OtherIncome

us-gaap:OtherIncome


Other
Period End2021-06-30
Value53
Percentage of OtherIncome100.0
Percentage of InterestAndDividendIncomeOperating11.3

Realized Investment Gains Losses

us-gaap:RealizedInvestmentGainsLosses

us-gaap:RealizedInvestmentGainsLosses


Realized
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2000000.0002000000.00-2000000.02000000.0-1000000.00-1000000.0
Percentage of RealizedInvestmentGainsLosses100.00.00.0100.00.0100.0100.0100.00.0100.0
Percentage of InterestAndDividendIncomeOperating0.40.00.00.20.0-0.20.2-0.10.0-0.1

Revenue From Contract With Customer Excluding Assessed Tax

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

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:OperatingSegments, stt:AccountServicing, stt:InvestmentServicing


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value13991371130713011272128712991272125212511294133313811421
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating299.6291.1254.8250.2188.7148.3143.4127.1124.3121.8131.8145.5152.3165.8
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments stt:AccountServicing stt:InvestmentServicing0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, stt:ForeignExchangeTradingServices, stt:InvestmentManagement


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1613-35.04232253535333433333330
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.10.9-2.73.22.51.92.72.82.62.72.62.52.42.1
Percentage of InterestAndDividendIncomeOperating3.42.8-6.88.14.72.93.93.53.33.33.43.63.63.5
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments stt:ForeignExchangeTradingServices stt:InvestmentManagement0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, stt:ForeignExchangeTradingServices, stt:InvestmentServicing


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value83959290951008890828686899195
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.96.97.06.97.57.86.87.16.56.96.66.76.66.7
Percentage of InterestAndDividendIncomeOperating17.820.217.917.314.111.59.79.08.18.48.89.710.011.1
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments stt:ForeignExchangeTradingServices stt:InvestmentServicing0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, stt:ManagementServices, stt:InvestmentManagement


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value504493551455425449465445441420440474465472
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.036.042.235.033.434.935.835.035.233.634.035.633.733.2
Percentage of InterestAndDividendIncomeOperating107.9104.7107.487.563.151.751.344.543.840.944.851.751.355.1
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments stt:ManagementServices stt:InvestmentManagement0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, stt:ProcessingServicesandOther, stt:InvestmentServicing


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value15610812110815110713997104116140272319
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.27.99.38.311.98.310.77.68.39.310.82.01.71.3
Percentage of InterestAndDividendIncomeOperating33.422.923.620.822.412.315.39.710.311.314.32.92.52.2
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments stt:ProcessingServicesandOther stt:InvestmentServicing0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, stt:RevenueFromFees, stt:InvestmentManagement


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value520506516497457474500480474454473507498502
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.236.939.538.235.936.838.537.737.936.336.638.036.135.3
Percentage of InterestAndDividendIncomeOperating111.3107.4100.695.667.854.655.248.047.144.248.255.354.958.6
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments stt:RevenueFromFees stt:InvestmentManagement0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, stt:RevenueFromFees, stt:InvestmentServicing


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value16991634157015411581155115761523151315231588152215851612
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax121.4119.2120.1118.4124.3120.5121.3119.7120.8121.7122.7114.2114.8113.4
Percentage of InterestAndDividendIncomeOperating363.8346.9306.0296.3234.6178.7174.0152.1150.2148.3161.7166.2174.8188.1
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments stt:RevenueFromFees stt:InvestmentServicing0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, stt:SecuritiesFinancingServices, stt:InvestmentServicing


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6160504263575064757068739077
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.44.43.83.25.04.43.85.06.05.65.35.56.55.4
Percentage of InterestAndDividendIncomeOperating13.112.79.78.19.36.65.56.47.46.86.98.09.99.0
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments stt:SecuritiesFinancingServices stt:InvestmentServicing0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OperatingSegments, stt:InvestmentManagement


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value520506516497457474500480474454473507498502434437412407356381302288289286310
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.236.939.538.235.936.838.537.737.936.336.638.036.135.30.00.00.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating111.3107.4100.695.667.854.655.248.047.144.248.255.354.958.654.557.458.962.657.858.948.745.847.946.649.3
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments stt:InvestmentManagement0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, stt:InvestmentServicing


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value16991634157015411581155115761523151315231588152215851612
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax121.4119.2120.1118.4124.3120.5121.3119.7120.8121.7122.7114.2114.8113.4
Percentage of InterestAndDividendIncomeOperating363.8346.9306.0296.3234.6178.7174.0152.1150.2148.3161.7166.2174.8188.1
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments stt:InvestmentServicing0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3034295029172784293730653048290328732932298629513026301928462846281026682530262025732484252226192614260526302582259824852464242525602435244923562423242123152427249123612043231023042296
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating649.7626.3568.6535.4435.8353.1336.4290.0285.3285.5304.1322.2333.6352.3357.1374.0401.4410.5410.7404.9415.0394.9418.2426.5415.6405.8389.1384.8399.7379.4360.2377.1365.7354.4334.1322.7308.3316.5302.6333.4346.5321.7245.0255.5272.3261.5

us-gaap:Revenues us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


Revenuesus-gaap:
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value530.00.00.00.00.00.0-8.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues1.70.00.00.00.00.00.0-0.30.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating11.30.00.00.00.00.00.0-0.80.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating us-gaap:MaterialReconcilingItems0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Revenues us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stt:InvestmentManagement


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value529506550506465453510479473460456507496497434437412407356381302288289286310
Percentage of Revenues17.417.218.918.215.814.816.716.516.515.715.317.216.416.515.215.414.715.314.114.511.711.611.510.911.9
Percentage of InterestAndDividendIncomeOperating113.3107.4107.297.369.052.256.347.947.044.846.455.354.758.054.557.458.962.657.858.948.745.847.946.649.3
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments stt:InvestmentManagement0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, stt:InvestmentServicing


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value2452244423672278247226122538242424002472253824442530252224122409239822612174223922712196224923282298
Percentage of Revenues80.882.881.181.884.285.283.383.583.584.385.082.883.683.584.884.685.384.785.985.588.388.489.288.987.9
Percentage of InterestAndDividendIncomeOperating525.1518.9461.4438.1366.8300.9280.1242.2238.3240.7258.5266.8278.9294.3302.6316.6342.6347.8352.9346.1366.3349.1373.0379.2365.3
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments stt:InvestmentServicing0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Revenues us-gaap:StatementGeographical

country:US


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value17151613160414871668170118071649163617011737166517041698160616271638157213891503143714591495152614581453
Percentage of Revenues56.554.755.053.456.855.559.356.856.958.058.256.456.356.256.457.258.358.954.957.455.858.759.358.355.855.8
Percentage of InterestAndDividendIncomeOperating367.2342.5312.7286.0247.5196.0199.4164.7162.5165.6176.9181.8187.9198.1201.5213.8234.0241.8225.5232.3231.8232.0247.9248.5231.8226.3
Percentage of InterestAndDividendIncomeOperating country:US0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NonUs


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value13191337131312971269136412411254123712311249128613221321124012191172109611411117113610251043108811501147
Percentage of Revenues43.545.345.046.643.244.540.743.243.142.041.843.643.743.843.642.841.741.145.142.644.241.341.441.544.044.0
Percentage of InterestAndDividendIncomeOperating282.4283.9255.9249.4188.3157.1137.0125.3122.8119.9127.2140.4145.8154.1155.6160.2167.4168.6185.2172.6183.2163.0173.0177.2182.8178.7
Percentage of InterestAndDividendIncomeOperating us-gaap:NonUs0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value326528316885314706272075280242362527245610244606241540228332244626234007248308250286238425235986238274236802242698256140255386243685245192247274294571279476274119274805282324256663243291217180227300218189222582204522200777187956216827208795190455171796160505157946
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

srt:ParentCompany


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value40382375103641534220
Percentage of Assets12.815.314.914.4
Percentage of Assets12.815.314.914.4
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsus-gaap:
Period End2021-03-312020-12-312019-12-31
Value131721
Percentage of Assets0.00.00.0
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0

us-gaap:Assets us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsus-gaap:
Period End2020-09-302020-06-302019-12-31
Value171721
Percentage of Assets0.00.00.0
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0

us-gaap:Assets us-gaap:StatementGeographical

us-gaap:NonUs


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1094101062501113009233094290104440832808162085940777308170083100849007850082100815007320071600791008670084600816007810063300725006770060000
Percentage of Assets33.533.535.433.933.628.833.933.435.634.033.435.534.231.434.434.530.730.232.633.833.133.531.925.624.624.221.9
Percentage of Assets33.533.535.433.933.628.833.933.435.634.033.435.534.231.434.434.530.730.232.633.833.133.531.925.624.624.221.9
Percentage of Assets us-gaap:NonUs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value301361291880288506246517255369338666221179219397216086203294219836209454225737227887216108213489216206215508221479233959233282222157224057225742273071258657252646253649260624235390222913196750207219197320201713183773180880167797197429189144170621152616142718143455
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets92.392.191.790.691.193.490.189.789.589.089.989.590.991.190.690.590.791.091.391.391.391.291.491.392.792.692.292.392.391.791.690.691.290.490.689.990.189.391.190.689.688.888.990.8

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value14182130791162511903
Percentage of Liabilities4.95.95.35.5
Percentage of Assets4.55.34.85.0
Percentage of Assets srt:ParentCompany35.134.931.934.8

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesus-gaap:
Period End2021-03-312020-12-312019-12-31
Value0.04.05.0
Percentage of Liabilities0.00.00.0
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary0.023.523.8

us-gaap:Liabilities us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesus-gaap:
Period End2020-09-302020-06-302019-12-31
Value4.04.05.0
Percentage of Liabilities0.00.00.0
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary23.523.523.8

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value326528316885314706272075280242362527245610244606241540228332244626234007248308250286238425235986238274236802242698256140255386243685245192247274294571279476274119274805282324256663243291217180227300218189222582204522200777187956216827208795190455171796160505157946
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilities
Period End2020-12-312019-12-312018-12-312017-12-31
Value40382375103641534220
Percentage of LiabilitiesAndStockholdersEquity12.815.314.914.4
Percentage of Assets12.815.314.914.4
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value25167250052620025558248732386124431252092545425038247902455322571223992231722497220682129421219221502207321496211032150021500208192147321156217002127320378204302008120869208692074919897201591939819651198341918017787175691605915410144911277411299
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.77.98.39.48.96.69.910.310.511.010.110.59.18.99.49.59.39.08.78.68.68.88.68.77.37.47.87.77.78.38.49.48.89.69.410.19.910.78.99.410.411.211.10.00.00.09.20.00.0

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value26200244312479022317
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets8.39.910.19.4
Percentage of Assets srt:ParentCompany64.965.168.165.2

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

stt:AccumulatedNetUnrealizedGainLossOnNetInvestmentHedging


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-93.0-69.0-204.0-54.0681544691343616-11.0-30.0-101.0-65.0-52.0-6.081954137-14.0-14.0-14.0-14.0-14.0-14.0-14.0
Percentage of StockholdersEquity-0.4-0.3-0.8-0.20.30.60.20.40.10.10.1-0.0-0.1-0.5-0.3-0.2-0.00.40.40.20.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1
Percentage of Assets-0.0-0.0-0.1-0.00.00.00.00.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.00.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets stt:AccumulatedNetUnrealizedGainLossOnNetInvestmentHedging0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-168.0-170.0-178.0-172.0-173.0-175.0-187.0-180.0-179.0-179.0-143.0-156.0-156.0-158.0-170.0-184.0-186.0-188.0-194.0-182.0-185.0-185.0-183.0-253.0-257.0-267.0-272.0-203.0
Percentage of StockholdersEquity-0.7-0.7-0.7-0.7-0.7-0.7-0.8-0.7-0.7-0.7-0.6-0.6-0.7-0.7-0.8-0.8-0.8-0.9-0.9-0.8-0.8-0.9-0.9-1.2-1.2-1.3-1.3-1.0
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value535757825347-70.0-63.0-70.0-71.0-89.0-83.0-113.0-56.0
Percentage of StockholdersEquity0.20.20.20.30.20.2-0.3-0.2-0.3-0.3-0.4-0.3-0.5-0.3
Percentage of Assets0.00.00.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value384435848872866536409524378116-175.0-343.0-145.0-28.0103246195-79.0-286.0396396113-128.07756371192-221.0
Percentage of StockholdersEquity1.51.73.23.43.52.21.72.11.50.5-0.7-1.4-0.6-0.10.51.10.9-0.4-1.31.81.80.5-0.60.40.31.80.9-1.1
Percentage of Assets0.10.10.30.30.30.10.20.20.20.1-0.1-0.1-0.1-0.00.00.10.1-0.0-0.10.20.20.0-0.10.00.00.10.1-0.1
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-422.0-418.0187-111.0-430.0-920.0-876.0-985.0-874.0-1180.0-1356.0-1711.0-1488.0-1074.0-1009.0-984.0-1270.0-1805.0-2040.0-993.0-997.0-964.0-1442.0-1101.0-1011.0-1006.0-507.0-107.0489188-95.0-114.0-523.0251360186-537.0-299.0-659.0-315.0160-238.0-689.0-782.0-1707.0-1885.0-2238.0-5650.0-575.0
Percentage of StockholdersEquity-1.7-1.70.7-0.4-1.7-3.9-3.6-3.9-3.4-4.7-5.5-7.0-6.6-4.8-4.5-4.4-5.8-8.5-9.6-4.5-4.5-4.5-6.8-5.1-4.7-4.8-2.4-0.52.30.9-0.5-0.6-2.61.21.70.9-2.7-1.5-3.4-1.60.8-1.2-3.9-4.5-10.6-12.2-15.4-44.2-5.1
Percentage of Assets-0.1-0.10.1-0.0-0.2-0.3-0.4-0.4-0.4-0.5-0.6-0.7-0.6-0.4-0.4-0.4-0.5-0.8-0.8-0.4-0.4-0.4-0.6-0.4-0.3-0.4-0.2-0.00.20.1-0.0-0.1-0.20.10.20.1-0.3-0.2-0.3-0.20.1-0.1-0.40.00.00.0-1.40.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherThanTemporaryImpairment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-2.0-2.0-2.0-2.0-2.0-2.0-2.0-1.0-2.0-3.0-2.0-5.0-7.0-6.0-6.0-6.0-7.0-8.0-9.0-11.0-13.0-15.0-16.0-18.0-22.0-25.0-29.0-47.0
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.2
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedOtherThanTemporaryImpairment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-596.0-669.0-334.0-837.0-1242.0-1480.0-1072.0-1356.0-1035.0-1079.0-963.0-1113.0-1037.0-628.0-815.0-943.0-1248.0-1770.0-1875.0-1317.0-1351.0-1088.0-1394.0-1215.0-1070.0-1359.0-660.0229
Percentage of StockholdersEquity-2.4-2.7-1.3-3.3-5.0-6.2-4.4-5.4-4.1-4.3-3.9-4.5-4.6-2.8-3.7-4.2-5.7-8.3-8.8-5.9-6.1-5.1-6.6-5.7-5.0-6.5-3.11.1
Percentage of Assets-0.2-0.2-0.1-0.3-0.4-0.4-0.4-0.6-0.4-0.5-0.4-0.5-0.4-0.3-0.3-0.4-0.5-0.7-0.8-0.5-0.5-0.4-0.6-0.5-0.4-0.5-0.20.1
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1024610227102051019210179101551013210117101091008210061104189820979697999803980397969782977897679739974697429744974497919780976597379776975397139669966796349623954695579528947494169356931092669222918069924630
Percentage of StockholdersEquity40.740.939.039.940.942.641.540.139.740.340.642.443.543.743.943.644.446.046.144.144.245.346.245.345.346.845.646.245.045.848.047.748.446.346.346.448.447.449.348.547.849.152.653.057.759.863.354.741.0
Percentage of Assets3.13.23.23.73.62.84.14.14.24.44.14.54.03.94.14.24.14.14.03.83.84.04.03.93.33.53.63.63.53.84.04.54.34.44.34.74.85.14.44.65.05.55.80.00.00.05.80.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504502502502502495432398
Percentage of StockholdersEquity2.02.01.92.02.02.12.12.02.02.02.02.12.22.32.32.22.32.42.42.32.32.32.42.32.32.42.32.42.32.42.52.52.52.42.42.42.52.52.62.62.52.62.82.93.13.33.43.43.5
Percentage of Assets0.20.20.20.20.20.10.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.30.30.20.20.30.30.30.00.00.00.30.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value1976197624712471247124712962369036903690369036903196319631963196319631963196319631962703270327032703196119611233123312334914904904894894885005005005005005000.00.01883
Percentage of StockholdersEquity7.97.99.49.79.910.412.114.614.514.714.915.014.214.314.314.214.515.015.114.414.512.612.812.612.69.49.15.85.75.82.42.42.42.32.32.42.52.52.62.52.52.60.00.014.7
Percentage of Assets0.60.60.80.90.90.71.21.51.51.61.51.61.31.31.31.41.31.31.31.21.31.11.11.10.90.70.70.40.40.50.20.20.20.20.20.20.20.30.20.20.30.30.00.00.0
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value2430023751234422312822794223152191821612212742091120606203871985619311188561867518202177621745917047166861623316049157951539015135148821453114114136391339512963125451209011751113921084610478101769889943090138634855680157588707191357745
Percentage of StockholdersEquity96.695.089.590.591.693.589.785.783.683.583.183.088.086.284.583.082.583.482.377.075.675.576.173.571.672.769.368.765.064.165.763.562.557.956.354.954.552.052.550.347.547.048.548.749.949.248.871.568.5
Percentage of Assets7.47.57.48.58.16.28.98.88.89.28.48.78.07.77.97.97.67.57.26.76.56.76.56.45.25.45.45.35.05.35.56.05.55.55.35.65.45.64.74.75.05.25.40.00.00.04.50.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-11437.0-11035.0-10609.0-10626.0-10645.0-10664.0-10209.0-9729.0-9249.0-8969.0-8715.0-8735.0-9317.0-9334.0-9029.0-8697.0-8367.0-8159.0-7682.0-7382.0-7083.0-6719.0-6457.0-6143.0-5830.0-5519.0-5158.0-4785.0-4405.0-4028.0-3693.0-3166.0-2648.0-2134.0-1902.0-1455.0-1039.0-570.0-680.0-455.0-234.0-15.0-16.0-17.0-17.0-17.0-17.0-18.0-899.0
Percentage of StockholdersEquity-45.4-44.1-40.5-41.6-42.8-44.7-41.8-38.6-36.3-35.8-35.2-35.6-41.3-41.7-40.5-38.7-37.9-38.3-36.2-33.3-32.1-31.3-30.6-28.6-27.1-26.5-24.0-22.6-20.3-18.9-18.1-15.5-13.2-10.2-9.1-7.0-5.2-2.8-3.5-2.3-1.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1-8.0
Percentage of Assets-3.5-3.5-3.4-3.9-3.8-2.9-4.2-4.0-3.8-3.9-3.6-3.7-3.8-3.7-3.8-3.7-3.5-3.4-3.2-2.9-2.8-2.8-2.6-2.5-2.0-2.0-1.9-1.7-1.6-1.6-1.5-1.5-1.2-1.0-0.9-0.7-0.5-0.3-0.3-0.2-0.1-0.0-0.00.00.00.0-0.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Tier One Risk Based Capital

us-gaap:TierOneRiskBasedCapital stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches

us-gaap:TierOneRiskBasedCapital

stt:BaselIIIAdvancedApproach


Tier
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value156671541916848162961563915175159191605815589152701739315419151461538215606151651447514717154071564215264
Percentage of TierOneRiskBasedCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.84.95.46.05.66.26.56.66.86.27.46.26.16.56.66.46.16.16.06.16.2
Percentage of Assets stt:BaselIIIAdvancedApproach0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

stt:BaselIIIstandardizedApproach


Tier
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value156671541916848162961563915175159191605815589152701739315419151461538215606151651447514717154071564215264
Percentage of TierOneRiskBasedCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.84.95.46.05.66.26.56.66.86.27.46.26.16.56.66.46.16.16.06.16.2
Percentage of Assets stt:BaselIIIstandardizedApproach0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TierOneRiskBasedCapital us-gaap:ConsolidatedEntities, stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches

srt:Subsidiaries, stt:BaselIIIAdvancedApproach


Tier
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value178531702117306175781699817342166171746617611171961694116531
Percentage of TierOneRiskBasedCapital114.0110.4102.7107.9108.70.0109.5109.7109.7110.3110.9107.5
Percentage of Assets5.55.45.56.56.14.86.87.17.37.56.96.9
Percentage of Assets srt:Subsidiaries stt:BaselIIIAdvancedApproach0.00.00.00.00.00.00.00.00.00.00.00.0

srt:Subsidiaries, stt:BaselIIIstandardizedApproach


Tier
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value178531702117306175781699817342166171746617611171961694116531
Percentage of TierOneRiskBasedCapital114.0110.4102.7107.9108.70.0109.5109.7109.7110.3110.9107.5
Percentage of Assets5.55.45.56.56.14.86.87.17.37.56.96.9
Percentage of Assets srt:Subsidiaries stt:BaselIIIstandardizedApproach0.00.00.00.00.00.00.00.00.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value4619455234674848368549323302359837424469359742793886254621071204
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.41.11.81.31.41.31.51.52.01.51.81.61.00.90.5

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value51084960482547444591445943674235409139374152411039994005388137503611346333333271316449294820476847804653459945384620452144174319419941094037395538423814367336293580352334253046
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.61.61.51.71.61.21.81.71.71.71.71.81.61.61.61.61.51.51.41.31.22.02.01.91.61.71.71.71.61.81.82.01.81.91.81.91.92.01.71.71.92.12.11.9

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value63585959585858595960814748505454545254554949504849506054545454535453534648515150504947524634
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AmortizationOfIntangibleAssets us-gaap:StatementBusinessSegments

stt:InvestmentManagement


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.06.07.07.07.07.07.07.08.07.08.07.08.07.08.08.08.07.09.08.02.02.04.02.02.02.02.03.02.02.02.02.03.02.03.0-1.01.02.04.03.01.03.01.04.02.02.0
Percentage of AmortizationOfIntangibleAssets11.110.311.911.912.112.112.111.913.611.79.914.916.714.014.814.814.813.516.714.54.14.18.04.24.14.03.35.63.73.73.73.85.63.85.7-2.22.13.97.86.02.06.12.17.74.35.9
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets stt:InvestmentManagement0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

stt:InvestmentServicing


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value56525252515151525153734040434646464545474747464647485851525252515151504747494748484646514132
Percentage of AmortizationOfIntangibleAssets88.989.788.188.187.987.987.988.186.488.390.185.183.386.085.285.285.286.583.385.595.995.992.095.895.996.096.794.496.396.396.396.294.496.294.3102.297.996.192.296.096.093.997.998.189.194.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets stt:InvestmentServicing0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value21692143215421932212222522822306224422302214219321892194218621672137210120622042199419491894198420351933193719111920189618601816177217561728172017021736174717381853184518431953
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.70.80.80.60.90.90.91.00.90.90.90.90.90.90.90.90.80.80.80.80.80.80.70.70.70.70.70.70.80.80.80.80.80.80.80.90.80.81.01.11.11.2

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value762976297683760775387506755675007565754974466016597360686022599759455855581459115671573356715716572956635826589960376038603660065924591259775650561157005645563957485720559755215380451545504527
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.32.42.42.82.72.13.13.13.13.33.02.62.42.42.52.52.52.52.42.32.22.42.32.31.92.02.12.12.12.42.52.82.62.72.72.82.83.02.62.73.03.33.50.00.00.02.90.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments

stt:InvestmentManagement


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value270269270267265264267264266266266267268271270269267264264266303130313130333437373737353536353536353639376.06.06.06.06.0
Percentage of Goodwill3.53.53.53.53.53.53.53.53.53.53.64.44.54.54.54.54.54.54.54.50.50.50.50.50.50.50.60.60.60.60.60.60.60.60.60.60.60.60.60.60.70.60.10.10.10.10.1
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets stt:InvestmentManagement0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.01.11.00.00.00.91.00.00.00.00.80.00.00.00.00.00.00.00.0

stt:InvestmentServicing


Goodwillus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value73597360741373407273724272897236729972837180574957055797575257285678559155505645564157025641568556985633579358656000600159995969588958775941561555765664561056035709568355915515537445094544
Percentage of Goodwill96.596.596.596.596.596.596.596.596.596.596.495.695.595.595.595.595.595.595.595.599.599.599.599.599.599.599.499.499.499.499.499.499.499.499.499.499.499.499.499.499.399.499.999.999.999.999.9
Percentage of Assets2.32.32.42.72.62.03.03.03.03.22.92.52.32.32.42.42.42.42.32.22.22.32.32.31.92.02.12.12.12.32.52.72.62.72.72.72.83.02.62.73.03.33.50.00.00.02.9
Percentage of Assets stt:InvestmentServicing0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.02.83.00.00.02.93.10.00.00.03.30.00.00.00.00.00.00.00.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value19332007182718701914196320302077215522082369146115001578161316581693171017501849168217491768182018711892202521212247230623602396240624522539231123342459
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.60.70.70.50.80.80.91.01.00.60.60.60.70.70.70.70.70.70.70.70.70.70.60.70.70.80.80.91.01.11.11.11.11.11.21.1

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CoreDeposits


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value261270265269275281292297309317326337346360366372377378384400406418421433440444469484507517526532533514
Percentage of FiniteLivedIntangibleAssetsNet13.513.514.514.414.414.314.414.314.314.413.823.123.122.822.722.422.322.121.921.624.123.923.823.823.523.523.222.822.622.422.322.222.220.2
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.10.20.20.20.20.20.20.20.20.2
Percentage of Assets us-gaap:CoreDeposits0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value1386144012541282131013421386141814711505165710771112117111991236126912841314139112221272128813281368138414811554164716911731175217591898
Percentage of FiniteLivedIntangibleAssetsNet71.771.768.668.668.468.468.368.368.368.269.973.774.174.274.374.575.075.175.175.272.772.772.973.073.173.273.173.373.373.373.373.173.174.8
Percentage of Assets0.40.50.40.50.50.40.60.60.60.70.70.50.40.50.50.50.50.50.50.50.50.50.50.50.50.50.50.60.60.70.70.80.80.9
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value242628293133363741434647424748504748525854595959636475839398103112114127
Percentage of FiniteLivedIntangibleAssetsNet1.21.31.51.61.61.71.81.81.91.91.93.22.83.03.03.02.82.83.03.13.23.43.33.23.43.43.73.94.14.24.44.74.75.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.1
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TechnologyBasedIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2622712802902983073163253343433407.0
Percentage of FiniteLivedIntangibleAssetsNet13.613.515.315.515.615.615.615.615.515.514.40.4
Percentage of Assets0.10.10.10.10.10.10.10.10.10.20.10.0
Percentage of Assets us-gaap:TechnologyBasedIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:StatementBusinessSegments

stt:InvestmentManagement


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value818894101108115122129136144151159166174181188196203211220111415192223273035373940404347494751
Percentage of FiniteLivedIntangibleAssetsNet4.24.45.15.45.65.96.06.26.36.56.410.911.111.011.211.311.611.912.111.90.70.80.81.01.21.21.31.41.61.61.71.71.71.81.92.12.02.1
Percentage of Assets0.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets stt:InvestmentManagement0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.01.11.00.00.01.11.30.00.01.2

stt:InvestmentServicing


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value18521919173317691806184819081948201920642218130213341404143214701497150715391629167117351753180118491869199820912212226923212356236624092492226222872408
Percentage of FiniteLivedIntangibleAssetsNet95.895.694.994.694.494.194.093.893.793.593.689.188.989.088.888.788.488.187.988.199.399.299.299.098.898.898.798.698.498.498.398.398.398.298.197.998.097.9
Percentage of Assets0.60.60.60.70.60.50.80.80.80.90.90.60.50.60.60.60.60.60.60.60.70.70.70.70.60.70.70.80.80.91.01.11.01.11.11.11.11.1
Percentage of Assets stt:InvestmentServicing0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.01.11.10.00.01.21.30.00.01.4

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value622632720789802815858834876899
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.30.30.20.30.30.40.4

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-302009-12-31
Value4547245233365103206130495369003401138849396453889934434382013955433995310183695735291344973832836320379893708333940365053690937549326003414526574239892599023357266022128518016165051671013726171392470419754174411380056400012023
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 Assets13.914.311.611.810.910.213.815.916.417.014.116.315.913.613.015.714.814.615.814.214.915.213.814.812.513.411.912.49.49.310.710.811.79.88.18.18.37.37.911.810.410.28.60.07.6

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value27727096263
Percentage of OtherAssets0.80.80.30.8
Percentage of Assets0.10.10.00.1
Percentage of Assets srt:ParentCompany0.70.70.30.8

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value167
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value147
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value112
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value93
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value275
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.1

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value891102097710201060
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0
Percentage of Assets0.30.40.40.40.5

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value980
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets0.3

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value89
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value25167250052620025558248732386124431252092545425038247902455322571223992231722497220682129421219221502207321496211032150021500208192147321156217002127320378204302008120869208692074919897201591939819651198341918017787175691605915410144911277411299
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.77.98.39.48.96.69.910.310.511.010.110.59.18.99.49.59.39.08.78.68.68.88.68.77.37.47.87.77.78.38.49.48.89.69.410.19.910.78.99.410.411.211.10.00.00.09.20.00.0

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value26200244312479022317
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets8.39.910.19.4
Percentage of Assets srt:ParentCompany64.965.168.165.2

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

stt:AccumulatedNetUnrealizedGainLossOnNetInvestmentHedging


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-93.0-69.0-204.0-54.0681544691343616-11.0-30.0-101.0-65.0-52.0-6.081954137-14.0-14.0-14.0-14.0-14.0-14.0-14.0
Percentage of StockholdersEquity-0.4-0.3-0.8-0.20.30.60.20.40.10.10.1-0.0-0.1-0.5-0.3-0.2-0.00.40.40.20.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1
Percentage of Assets-0.0-0.0-0.1-0.00.00.00.00.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.00.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets stt:AccumulatedNetUnrealizedGainLossOnNetInvestmentHedging0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-168.0-170.0-178.0-172.0-173.0-175.0-187.0-180.0-179.0-179.0-143.0-156.0-156.0-158.0-170.0-184.0-186.0-188.0-194.0-182.0-185.0-185.0-183.0-253.0-257.0-267.0-272.0-203.0
Percentage of StockholdersEquity-0.7-0.7-0.7-0.7-0.7-0.7-0.8-0.7-0.7-0.7-0.6-0.6-0.7-0.7-0.8-0.8-0.8-0.9-0.9-0.8-0.8-0.9-0.9-1.2-1.2-1.3-1.3-1.0
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value535757825347-70.0-63.0-70.0-71.0-89.0-83.0-113.0-56.0
Percentage of StockholdersEquity0.20.20.20.30.20.2-0.3-0.2-0.3-0.3-0.4-0.3-0.5-0.3
Percentage of Assets0.00.00.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value384435848872866536409524378116-175.0-343.0-145.0-28.0103246195-79.0-286.0396396113-128.07756371192-221.0
Percentage of StockholdersEquity1.51.73.23.43.52.21.72.11.50.5-0.7-1.4-0.6-0.10.51.10.9-0.4-1.31.81.80.5-0.60.40.31.80.9-1.1
Percentage of Assets0.10.10.30.30.30.10.20.20.20.1-0.1-0.1-0.1-0.00.00.10.1-0.0-0.10.20.20.0-0.10.00.00.10.1-0.1
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-422.0-418.0187-111.0-430.0-920.0-876.0-985.0-874.0-1180.0-1356.0-1711.0-1488.0-1074.0-1009.0-984.0-1270.0-1805.0-2040.0-993.0-997.0-964.0-1442.0-1101.0-1011.0-1006.0-507.0-107.0489188-95.0-114.0-523.0251360186-537.0-299.0-659.0-315.0160-238.0-689.0-782.0-1707.0-1885.0-2238.0-5650.0-575.0
Percentage of StockholdersEquity-1.7-1.70.7-0.4-1.7-3.9-3.6-3.9-3.4-4.7-5.5-7.0-6.6-4.8-4.5-4.4-5.8-8.5-9.6-4.5-4.5-4.5-6.8-5.1-4.7-4.8-2.4-0.52.30.9-0.5-0.6-2.61.21.70.9-2.7-1.5-3.4-1.60.8-1.2-3.9-4.5-10.6-12.2-15.4-44.2-5.1
Percentage of Assets-0.1-0.10.1-0.0-0.2-0.3-0.4-0.4-0.4-0.5-0.6-0.7-0.6-0.4-0.4-0.4-0.5-0.8-0.8-0.4-0.4-0.4-0.6-0.4-0.3-0.4-0.2-0.00.20.1-0.0-0.1-0.20.10.20.1-0.3-0.2-0.3-0.20.1-0.1-0.40.00.00.0-1.40.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherThanTemporaryImpairment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-2.0-2.0-2.0-2.0-2.0-2.0-2.0-1.0-2.0-3.0-2.0-5.0-7.0-6.0-6.0-6.0-7.0-8.0-9.0-11.0-13.0-15.0-16.0-18.0-22.0-25.0-29.0-47.0
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.2
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedOtherThanTemporaryImpairment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value-596.0-669.0-334.0-837.0-1242.0-1480.0-1072.0-1356.0-1035.0-1079.0-963.0-1113.0-1037.0-628.0-815.0-943.0-1248.0-1770.0-1875.0-1317.0-1351.0-1088.0-1394.0-1215.0-1070.0-1359.0-660.0229
Percentage of StockholdersEquity-2.4-2.7-1.3-3.3-5.0-6.2-4.4-5.4-4.1-4.3-3.9-4.5-4.6-2.8-3.7-4.2-5.7-8.3-8.8-5.9-6.1-5.1-6.6-5.7-5.0-6.5-3.11.1
Percentage of Assets-0.2-0.2-0.1-0.3-0.4-0.4-0.4-0.6-0.4-0.5-0.4-0.5-0.4-0.3-0.3-0.4-0.5-0.7-0.8-0.5-0.5-0.4-0.6-0.5-0.4-0.5-0.20.1
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1024610227102051019210179101551013210117101091008210061104189820979697999803980397969782977897679739974697429744974497919780976597379776975397139669966796349623954695579528947494169356931092669222918069924630
Percentage of StockholdersEquity40.740.939.039.940.942.641.540.139.740.340.642.443.543.743.943.644.446.046.144.144.245.346.245.345.346.845.646.245.045.848.047.748.446.346.346.448.447.449.348.547.849.152.653.057.759.863.354.741.0
Percentage of Assets3.13.23.23.73.62.84.14.14.24.44.14.54.03.94.14.24.14.14.03.83.84.04.03.93.33.53.63.63.53.84.04.54.34.44.34.74.85.14.44.65.05.55.80.00.00.05.80.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504502502502502495432398
Percentage of StockholdersEquity2.02.01.92.02.02.12.12.02.02.02.02.12.22.32.32.22.32.42.42.32.32.32.42.32.32.42.32.42.32.42.52.52.52.42.42.42.52.52.62.62.52.62.82.93.13.33.43.43.5
Percentage of Assets0.20.20.20.20.20.10.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.30.30.20.20.30.30.30.00.00.00.30.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value1976197624712471247124712962369036903690369036903196319631963196319631963196319631962703270327032703196119611233123312334914904904894894885005005005005005000.00.01883
Percentage of StockholdersEquity7.97.99.49.79.910.412.114.614.514.714.915.014.214.314.314.214.515.015.114.414.512.612.812.612.69.49.15.85.75.82.42.42.42.32.32.42.52.52.62.52.52.60.00.014.7
Percentage of Assets0.60.60.80.90.90.71.21.51.51.61.51.61.31.31.31.41.31.31.31.21.31.11.11.10.90.70.70.40.40.50.20.20.20.20.20.20.20.30.20.20.30.30.00.00.0
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value2430023751234422312822794223152191821612212742091120606203871985619311188561867518202177621745917047166861623316049157951539015135148821453114114136391339512963125451209011751113921084610478101769889943090138634855680157588707191357745
Percentage of StockholdersEquity96.695.089.590.591.693.589.785.783.683.583.183.088.086.284.583.082.583.482.377.075.675.576.173.571.672.769.368.765.064.165.763.562.557.956.354.954.552.052.550.347.547.048.548.749.949.248.871.568.5
Percentage of Assets7.47.57.48.58.16.28.98.88.89.28.48.78.07.77.97.97.67.57.26.76.56.76.56.45.25.45.45.35.05.35.56.05.55.55.35.65.45.64.74.75.05.25.40.00.00.04.50.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-11437.0-11035.0-10609.0-10626.0-10645.0-10664.0-10209.0-9729.0-9249.0-8969.0-8715.0-8735.0-9317.0-9334.0-9029.0-8697.0-8367.0-8159.0-7682.0-7382.0-7083.0-6719.0-6457.0-6143.0-5830.0-5519.0-5158.0-4785.0-4405.0-4028.0-3693.0-3166.0-2648.0-2134.0-1902.0-1455.0-1039.0-570.0-680.0-455.0-234.0-15.0-16.0-17.0-17.0-17.0-17.0-18.0-899.0
Percentage of StockholdersEquity-45.4-44.1-40.5-41.6-42.8-44.7-41.8-38.6-36.3-35.8-35.2-35.6-41.3-41.7-40.5-38.7-37.9-38.3-36.2-33.3-32.1-31.3-30.6-28.6-27.1-26.5-24.0-22.6-20.3-18.9-18.1-15.5-13.2-10.2-9.1-7.0-5.2-2.8-3.5-2.3-1.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1-8.0
Percentage of Assets-3.5-3.5-3.4-3.9-3.8-2.9-4.2-4.0-3.8-3.9-3.6-3.7-3.8-3.7-3.8-3.7-3.5-3.4-3.2-2.9-2.8-2.8-2.6-2.5-2.0-2.0-1.9-1.7-1.6-1.6-1.5-1.5-1.2-1.0-0.9-0.7-0.5-0.3-0.3-0.2-0.1-0.0-0.00.00.00.0-0.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value25167250052620025558248732386124431252092545425038247902455322571223992231722497220682129421219221812210421528211352153221473
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.77.98.39.48.96.69.910.310.511.010.110.59.18.99.49.59.39.08.78.78.78.88.68.77.8

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504504502495
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.10.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.30.30.20.20.30.30.30.3

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value10246102271020510192101791015510132101171010910082100611041898209796979998039803979697829778976797399746974297449744979197809765973797769753971396699667963496239546955795289474941693569180
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.13.23.23.73.62.84.14.14.24.44.14.54.03.94.14.24.14.14.03.83.84.04.03.93.33.53.63.63.53.84.04.54.34.44.34.74.85.14.44.65.05.55.85.8

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value24300237512344223128227942231521918216122127420911206062038719856193111885618675182021776217459170471668616233160491579515390151351488214531141141363913395129631254512090117511139210846104781017698899430901386347071
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.47.57.48.58.16.28.98.88.89.28.48.78.07.77.97.97.67.57.26.76.56.76.56.45.25.45.45.35.05.35.56.05.55.55.35.65.45.64.74.75.05.25.44.5

us-gaap:RetainedEarningsAccumulatedDeficit stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches

stt:BaselIIIAdvancedApproach


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value24300237512344223128227942231521918216122127420911206062038719856193111885618675182021776217459170471668616049
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.47.57.48.58.16.28.98.88.89.28.48.78.07.77.97.97.67.57.26.76.56.5
Percentage of Assets stt:BaselIIIAdvancedApproach0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

stt:BaselIIIstandardizedApproach


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value24300237512344223128227942231521918216122127420911206062038719856193111885618675182021776217459170471668616049
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.47.57.48.58.16.28.98.88.89.28.48.78.07.77.97.97.67.57.26.76.56.5
Percentage of Assets stt:BaselIIIstandardizedApproach0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidatedEntities, stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches

srt:Subsidiaries, stt:BaselIIIAdvancedApproach


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value142291347912939134041310313936132181419414367142731426112312
Percentage of RetainedEarningsAccumulatedDeficit58.656.855.258.057.562.560.365.767.568.369.265.3
Percentage of Assets4.44.34.14.94.73.85.45.85.96.35.85.2
Percentage of Assets srt:Subsidiaries stt:BaselIIIAdvancedApproach0.00.00.00.00.00.00.00.00.00.00.00.0

srt:Subsidiaries, stt:BaselIIIstandardizedApproach


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value142291347912939134041310313936132181419414367142731426112312
Percentage of RetainedEarningsAccumulatedDeficit58.656.855.258.057.562.560.365.767.568.369.265.3
Percentage of Assets4.44.34.14.94.73.85.45.85.96.35.85.2
Percentage of Assets srt:Subsidiaries stt:BaselIIIstandardizedApproach0.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value-422.0-418.0187-111.0-430.0-920.0-876.0-985.0-874.0-1180.0-1356.0-1711.0-1488.0-1074.0-1009.0-984.0-1270.0-1805.0-2040.0-993.0-997.0-964.0-1442.0-1101.0-1011.0-1006.0-507.0-107.0489188-95.0-114.0-523.0251360186-537.0-299.0-659.0-315.0160-238.0-689.0-2238.0-5650.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.1-0.10.1-0.0-0.2-0.3-0.4-0.4-0.4-0.5-0.6-0.7-0.6-0.4-0.4-0.4-0.5-0.8-0.8-0.4-0.4-0.4-0.6-0.4-0.3-0.4-0.2-0.00.20.1-0.0-0.1-0.20.10.20.1-0.3-0.2-0.3-0.20.1-0.1-0.4-1.40.0

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value114371103510609106261066410209972992498969871587359317933490298697836781597682738270836719645761435830551951584785440540283693316626482134190214551039570680455234151617
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.53.53.43.92.94.24.03.83.93.63.73.83.73.83.73.53.43.22.92.82.82.62.52.02.01.91.71.61.61.51.51.21.00.90.70.50.30.30.20.10.00.00.0

us-gaap:TreasuryStockValue stt:RegulatoryCapitalrequirementsforBankingOrganizationsbyImplementationApproaches

stt:BaselIIIAdvancedApproach


Treasury
Period End2020-09-302020-06-302019-12-31
Value106261064510209
Percentage of TreasuryStockValue100.00.0100.0
Percentage of Assets3.93.84.2
Percentage of Assets stt:BaselIIIAdvancedApproach0.00.00.0

stt:BaselIIIstandardizedApproach


Treasury
Period End2020-09-302020-06-302019-12-31
Value106261064510209
Percentage of TreasuryStockValue100.00.0100.0
Percentage of Assets3.93.84.2
Percentage of Assets stt:BaselIIIstandardizedApproach0.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-7593.0-3732.03376-5219.01336403910534717415-495.016335422-1434.048365076-2142.0490350914-2736.0216028523379-255.0-4924.0397403-1410.0-1501.01947-924.01097-2260.011322301045-2764.0131554872261-3026.0-1348.0-169.0-2410.015991803
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-1625.9-792.4658.1-1003.7198.2465.3116.2471.241.2-48.2166.3591.9-158.1564.3636.9-281.570.0539.82.3-422.9348.4453.4560.4-41.5-782.861.859.6-210.1-230.9297.3-135.1170.6-322.916.4304.2143.2-351.7171.9717.3310.6-420.9-183.7-20.3-266.6189.0205.4

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-9892.06804-39412.01217374478-112773.0-5523.0-5656.0-13118.021671-15927.0131637241-8973.0-10831.05863180632109782-3266.0-10313.08027-4798.046630-15846.0-991.0-4585.010571-19964.0-14514.0-25515.08997-5683.08116-24073.0-1608.0-5233.026323-24572.0-9921.0-13808.0-5594.09194-4984.0-3939.02921
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-2118.21444.6-7682.72341.011050.1-12992.3-609.6-565.0-1302.72110.1-1621.91437.0798.3-1047.0-1359.0770.4258.0493.81588.0-504.8-1663.41276.2-795.77594.5-2519.2-154.4-678.31575.4-3071.4-2215.9-3730.31399.2-811.91181.4-3284.2-220.3-665.83440.9-3212.0-1362.8-1920.4-762.11102.4-551.3-465.6332.7

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value17552-1987.034655-5791.0-77061.01103644174118011976-20304.013746-18326.0-4467.045763923-2938.0-2049.0-5124.0-11972.048199091-8351.0-1034.0-45799.02070518881891-11262.0238351322425763-11677.08714-6111.01800190712702-28448.01179112575187696268-10297.066655555-5268.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating3758.5-421.96755.4-1113.7-11433.412714.7460.7117.91189.3-1977.01399.8-2000.7-492.5534.0492.2-386.1-292.7-788.3-1943.5744.81466.3-1327.7-171.5-7459.13291.7294.1279.7-1678.43666.92018.93766.5-1816.01244.9-889.52455.8124.21616.0-3718.71541.31727.32610.4854.0-1234.7737.3656.6-600.0

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value671085-1381.01163-1247.01630-296.0241-727.0872-1067.04961340439
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating14.3230.4-269.2223.7-185.0187.8-32.724.1-72.284.9-108.754.1147.751.2

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value11-26.0-159.0-38.0-5.08.0-145.0-41.091-35.0-47.0-5.0-58.0-35.0312-161.0-53.0-3.0-389.063-9.0-23.0-156.0-64.0520.096-36.0127.035-60.0805726911-133.078314-81.0-25.010.010358416109
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-7593.0-3732.03376-5219.01336403910534717415-495.016335422-1434.048365076-2142.0490350914-2736.0216028523379-255.0-4924.0397403-1410.0-1501.01947-924.01097-2260.011322301045-2764.0131554872261-3026.0-1348.0-169.0-2410.015991803
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-1625.9-792.4658.1-1003.7198.2465.3116.2471.241.2-48.2166.3591.9-158.1564.3636.9-281.570.0539.82.3-422.9348.4453.4560.4-41.5-782.861.859.6-210.1-230.9297.3-135.1170.6-322.916.4304.2143.2-351.7171.9717.3310.6-420.9-183.7-20.3-266.6189.0205.4

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value76351953755569463456458358750843976573466137068562050259356361936856458542240949256062236355354057946447067449042738155551347183546432495
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating163.4110.2104.7106.7103.073.062.358.258.349.544.783.580.977.146.490.088.677.296.387.099.858.593.595.367.163.772.883.595.755.480.884.082.767.564.192.362.355.849.876.271.364.210.060.451.156.4

us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value20238.018175.0-5.02.04.0-9.00.04.01210.0
Percentage of NetIncomeLoss2.64.41.53.22.40.8-0.90.30.7-1.80.00.51.61.5
Percentage of InterestAndDividendIncomeOperating4.34.91.63.52.50.6-0.60.20.4-0.90.00.41.31.2
Percentage of InterestAndDividendIncomeOperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value76351953755569463456458358750843976473366137068562050259356361936857658141440949256062236355354057946447067449042738155551347183546432495
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.999.9100.0100.0100.0100.0100.0100.0100.0100.0100.0102.199.398.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating163.4110.2104.7106.7103.073.062.358.258.349.544.783.480.877.146.490.088.677.296.387.099.858.595.594.665.863.772.883.595.755.480.884.082.767.564.192.362.355.849.876.271.364.210.060.451.156.4
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-9892.06804-39412.01217374478-112773.0-5523.0-5656.0-13118.021671-15927.0131637241-8973.0-10831.05863180632109782-3266.0-10313.08027-4798.046630-15846.0-991.0-4585.010571-19964.0-14514.0-25515.08997-5683.08116-24073.0-1608.0-5233.026323-24572.0-9921.0-13808.0-5594.09194-4984.0-3939.02921
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-2118.21444.6-7682.72341.011050.1-12992.3-609.6-565.0-1302.72110.1-1621.91437.0798.3-1047.0-1359.0770.4258.0493.81588.0-504.8-1663.41276.2-795.77594.5-2519.2-154.4-678.31575.4-3071.4-2215.9-3730.31399.2-811.91181.4-3284.2-220.3-665.83440.9-3212.0-1362.8-1920.4-762.11102.4-551.3-465.6332.7

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1971621361531571141612271711711731511381471521601611641361491601681602422059612964124110129311091191011115885891710389105785425
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value17552-1987.034655-5791.0-77061.01103644174118011976-20304.013746-18326.0-4467.045763923-2938.0-2049.0-5124.0-11972.048199091-8351.0-1034.0-45799.02070518881891-11262.0238351322425763-11677.08714-6111.01800190712702-28448.01179112575187696268-10297.066655555-5268.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating3758.5-421.96755.4-1113.7-11433.412714.7460.7117.91189.3-1977.01399.8-2000.7-492.5534.0492.2-386.1-292.7-788.3-1943.5744.81466.3-1327.7-171.5-7459.13291.7294.1279.7-1678.43666.92018.93766.5-1816.01244.9-889.52455.8124.21616.0-3718.71541.31727.32610.4854.0-1234.7737.3656.6-600.0

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:ProceedsFromIssuanceOfLongTermDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.0844-8.00.00.024970.00.09950.00.00.00.00.014920.0-12.02995915-915.09940.09930.09980.00.00.00.00.00.01986
Percentage of ProceedsFromIssuanceOfLongTermDebt0.0100.0100.00.00.0100.00.00.0100.00.00.00.00.00.0100.00.0100.0100.0100.0100.0100.00.0100.00.0100.00.00.00.00.00.00.0100.0

Payments Of Dividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value215209223221215230239230227234220209189210191198178201182188169184166181152156143145131120121123132110122122124959696985.05.05.05.05.0
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value4254750.00.00.05154855003003000.00.00.03503503502383543363144472685591783134704104104104205605605603604804804800.0225225
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.00.00.00.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value129611258301201096791446910600895764124917863973
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value2953103081461461461491011041031089383839463636471666663635252163163155156163158116959595948787125235234271419359345
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value29533013888662754332819187.0
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsValuationAllowance us-gaap:ValuationAllowanceByDeferredTaxAsset

stt:OperatingLossCarryforwardsForeign


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value40184135
Percentage of DeferredTaxAssetsValuationAllowance13.65.529.739.8

stt:OperatingLossCarryforwardsStateandLocal


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value17139.012
Percentage of DeferredTaxAssetsValuationAllowance5.83.96.513.6

stt:OtherAmortizableAssets


Deferred
Period End2020-12-312019-12-31
Value233243
Percentage of DeferredTaxAssetsValuationAllowance79.073.6

stt:OtherTaxCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value5.0278841
Percentage of DeferredTaxAssetsValuationAllowance1.78.263.846.6

stt:AcquisitionAndRestructuringCosts

stt:AcquisitionAndRestructuringCosts


Acquisition
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1110.0121512112927129.0240.00.00.01333371294342201046.010.03.06.05220283330303014139283721148851719168234113
Percentage of AcquisitionAndRestructuringCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:BankOperationsExpense

stt:BankOperationsExpense


Bank
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.02.03.02.04.09.0139.010.011171422112719198.0
Percentage of BankOperationsExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:ChangeInUnrealizedGainsLossesRelatedToFinancialInstruments

stt:ChangeInUnrealizedGainsLossesRelatedToFinancialInstruments


Change
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value12216250-6586.02145-2301.03090-1780.01347-1664.063-282.0-838.07512205-2131.02442-1244.0-2334.01910-992.02505-2366.0-548.0395-266.0-563.0-274.02195388-267.01432-2802.01570-72.0-499.0-135.0113-461.0453-210.0-226.0605
Percentage of ChangeInUnrealizedGainsLossesRelatedToFinancialInstruments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:ChangeInUnrealizedGainsLossesRelatedToFinancialInstrumentsAssetsHeldAtPeriodEnd

stt:ChangeInUnrealizedGainsLossesRelatedToFinancialInstrumentsAssetsHeldAtPeriodEnd


Change
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-2.01.01.0-4.0-9.012-11.00.0-2.0-1.0-1.0-2.02.0-2.0-2.0-2.02.0-3.05.00.00.00.0-4.00.0-30.01079.040-4.0-7.0-31.0-16.0345347-47.0-52.0-47.0-108.061-30.0
Percentage of ChangeInUnrealizedGainsLossesRelatedToFinancialInstrumentsAssetsHeldAtPeriodEnd100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:ChangeInUnrealizedGainsLossesRelatedToFinancialInstrumentsAssetsHeldAtPeriodEnd us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeFinancialInstrumentsAssets


Change
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-2.01.01.0-4.0-9.012-11.00.0-2.0-1.0-1.0-2.02.0-2.0-2.0-2.02.0-3.05.00.00.00.0-4.00.0-30.01079.040-4.0-7.0-31.0-16.03453472.0-26.0-47.0-108.061-30.0
Percentage of ChangeInUnrealizedGainsLossesRelatedToFinancialInstrumentsAssetsHeldAtPeriodEnd100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0-4.350.0100.0100.0100.0100.0

us-gaap:ForeignExchangeContract


Change
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-2.01.01.0-4.0-9.012-11.00.0-2.0-1.0-1.0-2.02.0-2.0-2.0-2.02.0-3.05.00.00.00.0-4.00.0-30.01079.040-4.0-7.0-31.0-16.0345347-47.0-52.0-47.0-108.059-29.0
Percentage of ChangeInUnrealizedGainsLossesRelatedToFinancialInstrumentsAssetsHeldAtPeriodEnd100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.096.796.7

stt:DividendsAndUndistributedEarningsAllocatedToParticipatingSecurities

stt:DividendsAndUndistributedEarningsAllocatedToParticipatingSecurities


Dividends
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.00.00.00.01.00.00.00.01.0-1.01.00.01.00.01.00.01.00.01.01.00.01.00.00.01.01.00.01.01.02.02.02.02.02.05.03.03.03.06.04.05.02.06.05.03.0
Percentage of DividendsAndUndistributedEarningsAllocatedToParticipatingSecurities100.00.00.00.0100.00.00.00.0100.0100.0100.00.0100.00.0100.00.0100.00.0100.0100.00.0100.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:FeeRevenues

stt:FeeRevenues


Fee
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value230623782399225922602260
Percentage of FeeRevenues100.0100.0100.0100.0100.0100.0

stt:FeeRevenues us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stt:RevenueFromFees, stt:InvestmentManagement


Fee
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value510477452484483466
Percentage of FeeRevenues22.120.118.821.421.420.6

us-gaap:OperatingSegments, stt:RevenueFromFees, stt:InvestmentServicing


Fee
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value179619011947177517771794
Percentage of FeeRevenues77.979.981.278.678.679.4

stt:FeeRevenues us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stt:InvestmentManagement


Fee
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value510477452484483466
Percentage of FeeRevenues22.120.118.821.421.420.6

us-gaap:OperatingSegments, stt:InvestmentServicing


Fee
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value179619011947177517771794
Percentage of FeeRevenues77.979.981.278.678.679.4

stt:FeesAndCommissionsForeignExchangeTradingServices

stt:FeesAndCommissionsForeignExchangeTradingServices


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value286346266294344459274284273280294288315304
Percentage of FeesAndCommissionsForeignExchangeTradingServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:FeesAndCommissionsForeignExchangeTradingServices us-gaap:ConsolidationItems

us-gaap:OperatingSegments


Fees
Period End2021-03-31
Value13
Percentage of FeesAndCommissionsForeignExchangeTradingServices3.8

stt:FeesAndCommissionsForeignExchangeTradingServices us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stt:ForeignExchangeTradingServices, stt:InvestmentManagement


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1613-35.04232253535333433333330
Percentage of FeesAndCommissionsForeignExchangeTradingServices5.63.8-13.214.39.35.412.812.312.112.111.211.510.59.9

us-gaap:OperatingSegments, stt:ForeignExchangeTradingServices, stt:InvestmentServicing


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value270333301252312434239249240246261255282274
Percentage of FeesAndCommissionsForeignExchangeTradingServices94.496.2113.285.790.794.687.287.787.987.988.888.589.590.1

stt:FeesAndCommissionsForeignExchangeTradingServices us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stt:InvestmentManagement


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1613-35.04232253535333433333330
Percentage of FeesAndCommissionsForeignExchangeTradingServices5.63.8-13.214.39.35.412.812.312.112.111.211.510.59.9

us-gaap:OperatingSegments, stt:InvestmentServicing


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value270333301252312434239249240246261255282274
Percentage of FeesAndCommissionsForeignExchangeTradingServices94.496.2113.285.790.794.687.287.787.987.988.888.589.590.1

stt:FeesAndCommissionsManagementFees

stt:FeesAndCommissionsManagementFees


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value504493551455425449465445441420440474465472
Percentage of FeesAndCommissionsManagementFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:FeesAndCommissionsManagementFees us-gaap:ConsolidationItems

us-gaap:OperatingSegments


Fees
Period End2021-03-31
Value493
Percentage of FeesAndCommissionsManagementFees100.0

stt:FeesAndCommissionsManagementFees us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stt:ManagementServices, stt:InvestmentManagement


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value504493551455425449465445441420440474465472
Percentage of FeesAndCommissionsManagementFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:FeesAndCommissionsManagementFees us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stt:InvestmentManagement


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value504493551455425449465445441420440474465472
Percentage of FeesAndCommissionsManagementFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:FeesAndCommissionsProcessingFeesAndOther

stt:FeesAndCommissionsProcessingFeesAndOther


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value21617420417224511221914216819137958077
Percentage of FeesAndCommissionsProcessingFeesAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:FeesAndCommissionsProcessingFeesAndOther us-gaap:ConsolidationItems

us-gaap:OperatingSegments


Fees
Period End2021-03-31
Value2.0
Percentage of FeesAndCommissionsProcessingFeesAndOther1.1

stt:FeesAndCommissionsProcessingFeesAndOther us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stt:ProcessingServicesandOther, stt:InvestmentManagement


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7.02.02610.016-25.0112.05.011-14.08.02.00.0
Percentage of FeesAndCommissionsProcessingFeesAndOther3.21.112.75.86.5-22.35.01.43.05.8-37.88.42.50.0

us-gaap:OperatingSegments, stt:ProcessingServicesandOther, stt:InvestmentServicing


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value20917217816222913720814016318051877877
Percentage of FeesAndCommissionsProcessingFeesAndOther96.898.987.394.293.5122.395.098.697.094.2137.891.697.5100.0

stt:FeesAndCommissionsProcessingFeesAndOther us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stt:InvestmentManagement


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7.02.02610.016-25.0112.05.011-14.08.02.00.0
Percentage of FeesAndCommissionsProcessingFeesAndOther3.21.112.75.86.5-22.35.01.43.05.8-37.88.42.50.0

us-gaap:OperatingSegments, stt:InvestmentServicing


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value20917217816222913720814016318051877877
Percentage of FeesAndCommissionsProcessingFeesAndOther96.898.987.394.293.5122.395.098.697.094.2137.891.697.5100.0

stt:FeesAndCommissionsSecuritiesFinance

stt:FeesAndCommissionsSecuritiesFinance


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1099988849292111116126118120128154141
Percentage of FeesAndCommissionsSecuritiesFinance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:FeesAndCommissionsSecuritiesFinance us-gaap:ConsolidationItems

us-gaap:OperatingSegments


Fees
Period End2021-03-31
Value4.0
Percentage of FeesAndCommissionsSecuritiesFinance4.0

stt:FeesAndCommissionsSecuritiesFinance us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stt:SecuritiesFinancingServices, stt:InvestmentManagement


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.04.04.03.04.03.02.02.04.01.00.00.00.00.0
Percentage of FeesAndCommissionsSecuritiesFinance2.84.04.53.64.33.31.81.73.20.80.00.00.00.0

us-gaap:OperatingSegments, stt:SecuritiesFinancingServices, stt:InvestmentServicing


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1069584818889109114122117120128154141
Percentage of FeesAndCommissionsSecuritiesFinance97.296.095.596.495.796.798.298.396.899.2100.0100.0100.0100.0

stt:FeesAndCommissionsSecuritiesFinance us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stt:InvestmentManagement


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.04.04.03.04.03.02.02.04.01.00.00.00.00.0
Percentage of FeesAndCommissionsSecuritiesFinance2.84.04.53.64.33.31.81.73.20.80.00.00.00.0

us-gaap:OperatingSegments, stt:InvestmentServicing


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1069584818889109114122117120128154141
Percentage of FeesAndCommissionsSecuritiesFinance97.296.095.596.495.796.798.298.396.899.2100.0100.0100.0100.0

stt:FeesAndCommissionsServicingFees

stt:FeesAndCommissionsServicingFees


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value13991371130713011272128712991272125212511286133313811421
Percentage of FeesAndCommissionsServicingFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:FeesAndCommissionsServicingFees us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stt:AccountServicing, stt:InvestmentServicing


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value13991371130713011272128712991272125212511294133313811421
Percentage of FeesAndCommissionsServicingFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.6100.0100.0100.0

stt:FeesAndCommissionsServicingFees us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stt:InvestmentServicing


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value13991371130713011272128712991272125212511294133313811421
Percentage of FeesAndCommissionsServicingFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.6100.0100.0100.0

stt:InterestEarningAssetsOther

stt:InterestEarningAssetsOther


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value3.05.03.03.04.0466510711410997971037776674434221810.0134.02.02.03.02.02.02.01.00.01.02.01.01.00.01.01.01.00.01.00.01.01.01.0
Percentage of InterestEarningAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.00.0100.00.0100.0100.0100.0

stt:InterestExpenseInvestmentSecuritiesPurchasedUnderMoneyMarketFacility

stt:InterestExpenseInvestmentSecuritiesPurchasedUnderMoneyMarketFacility


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.04.01423586.00.00.0
Percentage of InterestExpenseInvestmentSecuritiesPurchasedUnderMoneyMarketFacility0.0100.0100.0100.0100.0100.00.00.0

stt:InterestIncomeFromOtherInvestments

stt:InterestIncomeFromOtherInvestments


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value777792117131126126122126136140159163173164160176208189183201227247259284320318319329323339341367374406405400374364355490551517550
Percentage of InterestIncomeFromOtherInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:InterestIncomeInvestmentSecurities

stt:InterestIncomeInvestmentSecurities


Interest
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value308351365486494501499
Percentage of InterestIncomeInvestmentSecurities100.0100.0100.0100.0100.0100.0100.0

stt:InterestIncomeInvestmentSecuritiesAvailableForSale

stt:InterestIncomeInvestmentSecuritiesAvailableForSale


Interest
Period End2021-06-302021-03-312020-06-302020-03-31
Value145140189213
Percentage of InterestIncomeInvestmentSecuritiesAvailableForSale100.0100.0100.0100.0

stt:InterestIncomeInvestmentSecuritiesHeldToMaturity

stt:InterestIncomeInvestmentSecuritiesHeldToMaturity


Interest
Period End2021-06-302021-03-312020-06-302020-03-31
Value163180227271
Percentage of InterestIncomeInvestmentSecuritiesHeldToMaturity100.0100.0100.0100.0

stt:InterestIncomeInvestmentSecuritiesPurchasedUnderMoneyMarketFacility

stt:InterestIncomeInvestmentSecuritiesPurchasedUnderMoneyMarketFacility


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.04.01425708.00.00.0
Percentage of InterestIncomeInvestmentSecuritiesPurchasedUnderMoneyMarketFacility0.0100.0100.0100.0100.0100.00.00.0

stt:NetDecreaseIncreaseInOtherShortTermBorrowings

stt:NetDecreaseIncreaseInOtherShortTermBorrowings


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value-8.0-43.0-3923.03996
Percentage of NetDecreaseIncreaseInOtherShortTermBorrowings100.0100.0100.0100.0

stt:NetIncreaseDecreaseInFederalFundsSoldAndSecuritiesPurchasedUnderResaleAgreements

stt:NetIncreaseDecreaseInFederalFundsSoldAndSecuritiesPurchasedUnderResaleAgreements


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1241-2132.01393-473.0-2989.04501554-1309.0-210.03157-484.0-612.01553-1895.0224-293.0-991.0-225.0486-432.01712-318.05751-4708.06884-8941.021310782406143-403.0-258.03134-3687.03248-120.0-249.0-850.0-987.0-4135.03306751013-1191.0-836.0473
Percentage of NetIncreaseDecreaseInFederalFundsSoldAndSecuritiesPurchasedUnderResaleAgreements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:NetIncreaseinShortTermBorrowingsUnderMoneyMarketLiquidityFacility

stt:NetIncreaseinShortTermBorrowingsUnderMoneyMarketLiquidityFacility


Net
Period End2020-09-302020-06-302020-03-312019-06-302019-03-31
Value-6442.0-14404.0256650.00.0
Percentage of NetIncreaseinShortTermBorrowingsUnderMoneyMarketLiquidityFacility100.0100.0100.00.00.0

stt:NoncashAdjustmentsForDepreciationAmortizationAccretion

stt:NoncashAdjustmentsForDepreciationAmortizationAccretion


Noncash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3413592069-1361.02942743052812712442482402412482352212032122051551791831621511481351261231299913713186107-21.01147491296-46.0-80.010.0-769.0111
Percentage of NoncashAdjustmentsForDepreciationAmortizationAccretion100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:OtherComprehensiveIncomeLossChangeInNetUnrealizedGainLossOnAfsSecuritiesNetOfReclassAndExpectedLossFromOttiRelatedTaxes

stt:OtherComprehensiveIncomeLossChangeInNetUnrealizedGainLossOnAfsSecuritiesNetOfReclassAndExpectedLossFromOttiRelatedTaxes


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-14.0-161.0-6.04.013235-51.05310210868-66.0-20.0-116.0-64.028177131-466.0-11.0187171-147.027-198.0123-530.0-94.0193162-119.076-507.029-2.032642103-76.07519548
Percentage of OtherComprehensiveIncomeLossChangeInNetUnrealizedGainLossOnAfsSecuritiesNetOfReclassAndExpectedLossFromOttiRelatedTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:OtherComprehensiveIncomeLossChangeInUnrealizedGainLossOnAfsSecuritiesDesignatedAsFairValueHedgesRelatedTaxes

stt:OtherComprehensiveIncomeLossChangeInUnrealizedGainLossOnAfsSecuritiesDesignatedAsFairValueHedgesRelatedTaxes


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-5.04.02.01.0-3.02.03.02.0-1.0-1.0-12.01.0217.04.00.05.0229.03.0-12.010.0-10.015-10.0-10.010.0-9.0-6.0160.0319.08.0-1.0-11.02114-69.0-4.010.0
Percentage of OtherComprehensiveIncomeLossChangeInUnrealizedGainLossOnAfsSecuritiesDesignatedAsFairValueHedgesRelatedTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:OtherComprehensiveIncomeLossDefinedBenefitPlanActuarialLossesBeforeReclassificationAdjustmentTax

stt:OtherComprehensiveIncomeLossDefinedBenefitPlanActuarialLossesBeforeReclassificationAdjustmentTax


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value1000000.03000000.004000000.0
Percentage of OtherComprehensiveIncomeLossDefinedBenefitPlanActuarialLossesBeforeReclassificationAdjustmentTax100.0100.00.0100.0

stt:OtherComprehensiveIncomeLossDerivativeBeforeReclassificationAndTax

stt:OtherComprehensiveIncomeLossDerivativeBeforeReclassificationAndTax


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-7.0155-164.0-152.0-56.0276-51.0714.0572450127-144.0
Percentage of OtherComprehensiveIncomeLossDerivativeBeforeReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:OtherComprehensiveIncomeLossDerivativeGainLossReclassificationbeforeTax

stt:OtherComprehensiveIncomeLossDerivativeGainLossReclassificationbeforeTax


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
Value25212024217.03.04.05.05.06.05.07.08.0
Percentage of OtherComprehensiveIncomeLossDerivativeGainLossReclassificationbeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:OtherComprehensiveIncomeLossMinimumPensionLiabilityNetAdjustmentTax

stt:OtherComprehensiveIncomeLossMinimumPensionLiabilityNetAdjustmentTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1.03.0-2.00.01.04.0-3.00.00.0-4.03.02.00.03.06.00.0-1.03.0-1.0-1.01.02.0473.0-3.04.0-48.03.0-8.03.0596.04.02.0-30.0-7.00.01.0
Percentage of OtherComprehensiveIncomeLossMinimumPensionLiabilityNetAdjustmentTax100.0100.0100.00.0100.0100.0100.00.00.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

stt:OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentIncludingTaxEffectsOfTaxCutsAndJobsAct

stt:OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentIncludingTaxEffectsOfTaxCutsAndJobsAct


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value319490-44.0109-111.0306176
Percentage of OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentIncludingTaxEffectsOfTaxCutsAndJobsAct100.0100.0100.0100.0100.0100.0100.0

stt:OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentIncludingTaxEffectsOfTaxCutsAndJobsAct us-gaap:StatementEquityComponents

stt:AccumulatedNetUnrealizedGainLossOnNetInvestmentHedging


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-122.0-86.0108-45.057-2.020
Percentage of OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentIncludingTaxEffectsOfTaxCutsAndJobsAct-38.2-17.6-245.5-41.3-51.4-0.711.4

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.02.012-7.0-1.00.0-36.0
Percentage of OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentIncludingTaxEffectsOfTaxCutsAndJobsAct0.30.4-27.3-6.40.90.0-20.5

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value296.0117-7.07.01.018
Percentage of OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentIncludingTaxEffectsOfTaxCutsAndJobsAct9.11.2-265.9-6.4-6.30.310.2

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6.0330127-115.0146262291
Percentage of OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentIncludingTaxEffectsOfTaxCutsAndJobsAct1.967.3-288.6-105.5-131.585.6165.3

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value405238-408.0284-321.044-116.0
Percentage of OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentIncludingTaxEffectsOfTaxCutsAndJobsAct127.048.6927.3260.6289.214.4-65.9

stt:OtherComprehensiveIncomeLossSecuritiesAvailableForSaleDesignatedInFairValueHedgesUnrealizedHoldingGainLossArisingDuringPeriodAfterTax

stt:OtherComprehensiveIncomeLossSecuritiesAvailableForSaleDesignatedInFairValueHedgesUnrealizedHoldingGainLossArisingDuringPeriodAfterTax


Other
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-16.0124.03.0-7.05.010.05.0-2.0-5.06.05.018
Percentage of OtherComprehensiveIncomeLossSecuritiesAvailableForSaleDesignatedInFairValueHedgesUnrealizedHoldingGainLossArisingDuringPeriodAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:OtherInterestEarningLiabilities

stt:OtherInterestEarningLiabilities


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-06-302010-03-31
Value10.09.09.09.010.030517064615552525130373321182019181210.0167.09.08.0197.07.06.08.05.04.04.04.03.02.02.03.01.01.01.0
Percentage of OtherInterestEarningLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:PreTaxMargin

stt:PreTaxMargin


Pre
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value31.021.0-1.024.00.270.25-0.010.250.250.22-0.030.290.290.2500.290.280.22-0.020.240.280.170.010.250.180.19-0.010.270.290.18-0.010.290.30.25-0.010.40.270.24
Percentage of PreTaxMargin100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:PreTaxMargin us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stt:InvestmentManagement


Pre
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value35.021.02.029.00.240.150.020.220.20.12-0.010.240.220.200.280.250.19-0.080.170.190.11-0.020.290.19
Percentage of PreTaxMargin112.9100.0-200.0120.888.960.0-200.088.080.054.533.382.875.980.00.096.689.386.4400.070.867.964.7-200.0116.0105.6

us-gaap:OperatingSegments, stt:InvestmentServicing


Pre
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value29.023.0-1.024.00.280.270.010.270.260.2400.310.330.260.010.30.310.24-0.020.270.290.230.020.280.18
Percentage of PreTaxMargin93.5109.5100.0100.0103.7108.0-100.0108.0104.0109.1-0.0106.9113.8104.00.0103.4110.7109.1100.0112.5103.6135.3200.0112.0100.0

stt:ProceedsFromUnderMoneyMarketLiquidityFacility

stt:ProceedsFromUnderMoneyMarketLiquidityFacility


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value200309915276443175634510.00.0
Percentage of ProceedsFromUnderMoneyMarketLiquidityFacility100.0100.0100.0100.0100.0100.00.00.0

stt:PurchasesUnderMoneyMarketLiquidityFacility

stt:PurchasesUnderMoneyMarketLiquidityFacility


Purchases
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.03181260610.00.0
Percentage of PurchasesUnderMoneyMarketLiquidityFacility0.00.0100.0100.00.00.0

stt:RegulatoryFeesandAssessments

stt:RegulatoryFeesandAssessments


Regulatory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1918161617121918161816152927292418271728182025312534
Percentage of RegulatoryFeesandAssessments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:RepurchasesOfCommonStockForEmployeeTaxWithholding

stt:RepurchasesOfCommonStockForEmployeeTaxWithholding


Repurchases
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.06.012149.0431510.01343237-203.020702525215527231854333836115353126140262823112-13.0-19.00.0-69.0-3.0-2.0-1.0-57.0-4.0-1.00.0-39.0
Percentage of RepurchasesOfCommonStockForEmployeeTaxWithholding0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0

stt:RevenuefromOtherThanContractwithCustomer us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

stt:RevenuefromOtherThanContractwithCustomer

us-gaap:OperatingSegments, stt:ForeignExchangeTradingServices, stt:InvestmentServicing


Revenuefrom
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value162217334151159158160175166191179
Percentage of RevenuefromOtherThanContractwithCustomer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, stt:InterestIncomeNet, stt:InvestmentManagement


Revenuefrom
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-4.0-12.01.0-3.0-5.0-10.0-6.0-3.0-8.0-4.0-5.0
Percentage of RevenuefromOtherThanContractwithCustomer-2.5-5.50.3-2.0-3.1-6.3-3.8-1.7-4.8-2.1-2.8

us-gaap:OperatingSegments, stt:InterestIncomeNet, stt:InvestmentServicing


Revenuefrom
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value482571663639649623679700680663648
Percentage of RevenuefromOtherThanContractwithCustomer297.5263.1198.5423.2408.2394.3424.4400.0409.6347.1362.0

us-gaap:OperatingSegments, stt:ProcessingServicesandOther, stt:InvestmentManagement


Revenuefrom
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value10.016-25.0112.05.011-14.08.02.00.0
Percentage of RevenuefromOtherThanContractwithCustomer6.27.4-7.57.31.33.26.9-8.04.81.00.0

us-gaap:OperatingSegments, stt:ProcessingServicesandOther, stt:InvestmentServicing


Revenuefrom
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value54783069435964-89.0605558
Percentage of RevenuefromOtherThanContractwithCustomer33.335.99.045.727.037.340.0-50.936.128.832.4

us-gaap:OperatingSegments, stt:RevenueFromFees, stt:InvestmentManagement


Revenuefrom
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1320-22.0134.09.012-14.08.02.00.0
Percentage of RevenuefromOtherThanContractwithCustomer8.09.2-6.68.62.55.77.5-8.04.81.00.0

us-gaap:OperatingSegments, stt:RevenueFromFees, stt:InvestmentServicing


Revenuefrom
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value255320396279252264271138281310301
Percentage of RevenuefromOtherThanContractwithCustomer157.4147.5118.6184.8158.5167.1169.478.9169.3162.3168.2

us-gaap:OperatingSegments, stt:SecuritiesFinancingServices, stt:InvestmentManagement


Revenuefrom
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.04.03.02.02.04.01.00.00.00.00.0
Percentage of RevenuefromOtherThanContractwithCustomer1.91.80.91.31.32.50.60.00.00.00.0

us-gaap:OperatingSegments, stt:SecuritiesFinancingServices, stt:InvestmentServicing


Revenuefrom
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3925325950474752556464
Percentage of RevenuefromOtherThanContractwithCustomer24.111.59.639.131.429.729.429.733.133.535.8

us-gaap:OperatingSegments, stt:TotalOtherIncome, stt:InvestmentServicing


Revenuefrom
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.02.0440.00.0-1.0
Percentage of RevenuefromOtherThanContractwithCustomer0.00.00.629.10.00.0-0.6

stt:RevenuefromOtherThanContractwithCustomer us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, stt:InvestmentManagement


Revenuefrom
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9.08.0-21.010.0-1.0-1.06.0-17.00.0-2.0-5.0
Percentage of RevenuefromOtherThanContractwithCustomer5.63.7-6.36.6-0.6-0.63.8-9.70.0-1.0-2.8

us-gaap:OperatingSegments, stt:InvestmentServicing


Revenuefrom
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7378911061962901887949838960982947
Percentage of RevenuefromOtherThanContractwithCustomer454.9410.6317.7637.1566.7561.4593.1478.9578.3514.1529.1

stt:SecuritiesProcessingExpense

stt:SecuritiesProcessingExpense


Securities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value2.0121.010.015152127199.0-10.04.09.08.02210.06.04.04.0401420
Percentage of SecuritiesProcessingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:SecuritiesSoldUnderRepurchaseAgreementNet

stt:SecuritiesSoldUnderRepurchaseAgreementNet


Securities
Period End2021-06-302021-03-312020-06-302020-03-31
Value70-2826.0-1860.04271
Percentage of SecuritiesSoldUnderRepurchaseAgreementNet100.0100.0100.0100.0

stt:StockOptionsAndStockAwards

stt:StockOptionsAndStockAwards


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5693000.04947000.099000.04582000.04256000.04247000.0160000.03863000.03804000.03788000.0-203000.04420000.04791000.05180000.071000.05753000.05520000.05193000.0151000.04854000.04687000.04194000.0-174000.05555000.06038000.06525000.049000.07762000.07496000.08194000.0260000.09294000.08864000.08436000.0394000.07655000.07114000.05512000.072000.03940000.04238000.03509000.0127000.02430000.03280000.03468000.0
Percentage of StockOptionsAndStockAwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

stt:UnfundedCommitmentsToExtendCreditShortTerm

stt:UnfundedCommitmentsToExtendCreditShortTerm


Unfunded
Period End2021-06-302021-03-31
Value-1.072.0
Percentage of UnfundedCommitmentsToExtendCreditShortTerm100.0100.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationAcquisitionRelatedCosts

stt:CharlesRiverDevelopment


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value111116151211292710.01331
Percentage of BusinessCombinationAcquisitionRelatedCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1

us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1


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
Value-30.04.06.0-14.039536-94.076177103162-12.0-668.089
Percentage of ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1 us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByAssetClass, us-gaap:IncomeStatementLocation

us-gaap:InterestRateContract, us-gaap:AvailableforsaleSecurities, stt:InterestIncomeNet


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
Value-23.0164.05.03.0-11.06.01.0-8.0106-9.09.010.021
Percentage of ChangeInUnrealizedGainLossOnFairValueHedgingInstruments176.7400.066.7-35.77.7-2.1-6.41.3-4.5102.9-5.6-75.0-1.523.6

us-gaap:InterestRateContract, us-gaap:LongTermDebt, stt:InterestIncomeNet


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
Value-7.0-12.02.0-19.036547-100.075185-3.0196-40.0-47.0-167.0
Percentage of ChangeInUnrealizedGainLossOnFairValueHedgingInstruments123.3-300.033.3135.792.3102.1106.498.7104.5-2.9121.0333.37.0-187.6

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1


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
Value28-5.0-6.011-43.0-525.095-74.0-176.0-98.0-159.012666-100.0
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByAssetClass, us-gaap:IncomeStatementLocation

us-gaap:InterestRateContract, us-gaap:AvailableforsaleSecurities, stt:InterestIncomeNet


Change
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
Value21-16.0-6.0-4.010.0-7.0-2.07.0-102.06.0-8.0-9.0-21.0
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge175.0320.0-54.59.3-1.9-7.42.7-4.0104.1-3.8-66.7-1.421.0

us-gaap:InterestRateContract, us-gaap:LongTermDebt, stt:InterestIncomeNet


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
Value7.011-2.017-39.0-535.0102-72.0-183.04.0-190.03944156
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge125.0-220.033.3154.590.7101.9107.497.3104.0-4.1119.5325.06.6-156.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.520.520.520.520.520.520.520.520.470.470.470.470.420.420.420.420.380.380.380.380.340.340.340.340.340.30.30.30.30.260.260.260.260.260.240.240.240.240.180.180.180.180.010.010.010.01
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommunicationsAndInformationTechnology

us-gaap:CommunicationsAndInformationTechnology


Communications
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value398421394395376385362376365362356332321315301296283287278285270272261265249247246242244244228235235237234211208191195191199191191181174167
Percentage of CommunicationsAndInformationTechnology100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2000000.0002000000.0-1000000.00001000000.009000000.0-1000000.0
Percentage of DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment100.00.00.0100.0100.00.00.00.0100.00.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value001000000.000001000000.007000000.0-1000000.0
Percentage of DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment0.00.050.0-0.00.00.00.0100.00.077.8100.0

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

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:ForeignExchangeContract, us-gaap:Nondesignated, stt:ForeignExchangeTradingServices


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value188242210164215333154160156160174170195184
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignExchangeContract, us-gaap:Nondesignated, us-gaap:InterestExpense


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value16212420172.0-18.0-37.0-59.0-39.0-23.0-3.00.0-15.00.00.0
Percentage of DerivativeGainLossOnDerivativeNet8.58.711.412.27.90.6-11.7-23.1-37.8-24.4-13.2-1.80.0-8.20.00.0

us-gaap:InterestRateContract, us-gaap:Nondesignated, stt:ForeignExchangeTradingServices


Derivative
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.00.00.00.03.0-1.0-1.00.0-1.00.0-2.0-2.0-2.0
Percentage of DerivativeGainLossOnDerivativeNet0.50.00.00.00.9-0.6-0.60.0-0.60.0-1.2-1.0-1.1

us-gaap:OtherContract, us-gaap:Nondesignated, stt:CompensationandEmployeeBenefits


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-45.0-79.0-38.0-39.0-45.0-67.0-39.0-46.0-46.0-74.0-31.0-34.0-42.0-65.0
Percentage of DerivativeGainLossOnDerivativeNet-23.9-32.6-18.1-23.8-20.9-20.1-25.3-28.8-29.5-46.2-17.8-20.0-21.5-35.3

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:HedgingDesignation

us-gaap:Nondesignated


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1601841961451872719676514612213315010311311614998-264.0161155154145176165207170165143133124148171146
Percentage of DerivativeGainLossOnDerivativeNet85.176.093.388.487.081.462.347.532.728.870.178.276.956.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value179182184184183183187189175177179179153154154156142144145147133135135138139124124126128112113115117118110113115118879089925.05.05.05.0
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value179182184183183189175177179179153154154156142144145146133135135138139124124126128112113115117118110113115118879089925.05.05.05.0
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.3100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStock

us-gaap:DividendsPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value34303938325372555055425536553655365536553349284229311818196.06.07.06.07.00.0157.07.07.06.07.00.0
Percentage of DividendsPreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0

us-gaap:DividendsPreferredStockCash

us-gaap:DividendsPreferredStockCash


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value34253838324450555055425536553655365536553349294129311818196.06.07.06.07.00.0157.07.07.06.0
Percentage of DividendsPreferredStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStockCash us-gaap:StatementClassOfStock

us-gaap:SeriesCPreferredStock


Dividends
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value0.00.00.06.07.06.07.06.07.06.07.06.07.06.07.06.07.06.06.07.06.07.07.06.06.07.07.06.06.07.06.0
Percentage of DividendsPreferredStockCash0.00.00.013.614.010.914.010.916.710.919.410.919.410.919.410.919.410.918.214.320.717.124.119.433.338.936.8100.0100.0100.0100.0

us-gaap:SeriesDPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value1111111111111111111111111111111111111111111111111111121112
Percentage of DividendsPreferredStockCash32.444.028.928.934.425.022.020.022.020.026.220.030.620.030.620.030.620.030.620.033.322.437.926.837.935.566.761.163.2

us-gaap:SeriesFPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value2.07.07.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0120.00.0
Percentage of DividendsPreferredStockCash5.928.018.452.60.045.50.036.40.036.40.036.40.036.40.036.40.036.40.036.40.040.80.029.30.00.0

us-gaap:SeriesGPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value7.07.06.07.07.07.06.07.07.07.06.07.07.07.06.07.07.07.06.07.05.00.00.00.00.0
Percentage of DividendsPreferredStockCash20.628.015.818.421.915.912.012.714.012.714.312.719.412.716.712.719.412.716.712.715.20.00.00.00.0

us-gaap:SeriesHPreferredStock


Dividends
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value14140.0140.0140.0140.06.00.00.00.0
Percentage of DividendsPreferredStockCash41.236.80.043.80.028.00.028.00.014.30.00.00.0

us-gaap:DividendsPreferredStockCash us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

stt:SeriesFPreferredStockDepositoryShare, us-gaap:SubsequentEvent


Dividends
Period End2021-01-14
Value9.5338e-06
Percentage of DividendsPreferredStockCash0.0

us-gaap:SeriesFPreferredStock, us-gaap:SubsequentEvent


Dividends
Period End2021-04-012021-03-312021-01-142020-10-312020-07-312020-02-202019-07-312019-01-312018-02-282017-07-312017-01-312016-01-31
Value2.07.00.000953387.02020202020202020
Percentage of DividendsPreferredStockCash0.028.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SeriesHPreferredStock, us-gaap:SubsequentEvent


Dividends
Period End2021-04-012020-10-312018-10-31
Value14146.0
Percentage of DividendsPreferredStockCash0.00.00.0

us-gaap:DividendsPreferredStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value34253832445550553345536-55.03655365536553349294129311818196.06.07.06.07.00.0157.07.07.06.0
Percentage of DividendsPreferredStockCash100.0100.0100.0100.0100.0100.0100.0100.0795.2100.0100.0-100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStockCash us-gaap:StatementScenario, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

srt:ScenarioForecast, us-gaap:SeriesDPreferredStock, us-gaap:SubsequentEvent


Dividends
Period End2021-07-31
Value11
Percentage of DividendsPreferredStockCash0.0

srt:ScenarioForecast, us-gaap:SeriesFPreferredStock, us-gaap:SubsequentEvent


Dividends
Period End2021-07-31
Value2.0
Percentage of DividendsPreferredStockCash0.0

srt:ScenarioForecast, us-gaap:SeriesGPreferredStock, us-gaap:SubsequentEvent


Dividends
Period End2021-07-31
Value7.0
Percentage of DividendsPreferredStockCash0.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1


Fair
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-5.01.0-2.0-17.011-12.0-1.0-3.0-2.01.0-1.04.0-1.00.01.03.0-6.08.01310.010.07.017-83.014431649.07.00.0-7.048110551123.071
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1 us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeFinancialInstrumentsAssets


Fair
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-5.01.0-2.0-17.011-12.0-1.0-3.0-3.00.0-2.03.0-2.0-1.00.01.0-7.06.00.00.03.0-1.0-5.0-96.013110.044-6.0-11.0-16.0-21.0319542-19.0-43.0-75.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1100.0100.0100.0100.0100.0100.0100.0100.0150.00.0200.075.0200.00.00.033.3116.775.00.00.030.0-14.3-29.4115.791.032.368.8-66.7-157.10.0300.064.686.476.4-17.0-1433.3-105.6

us-gaap:ForeignExchangeContract


Fair
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-5.01.0-2.0-17.011-12.0-1.0-3.0-3.00.0-2.03.0-2.0-1.00.01.0-7.06.00.00.03.0-1.0-5.0-96.013110.044-6.0-11.0-16.0-21.0319542-69.0-77.0-65.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1100.0100.0100.0100.0100.0100.0100.0100.0150.00.0200.075.0200.00.00.033.3116.775.00.00.030.0-14.3-29.4115.791.032.368.8-66.7-157.10.0300.064.686.476.4-61.6-2566.7-91.5

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.061115-149.020-29.05.0-4.0-3.0-4.0-2.0-1.01.01.0-2.02.00.02.04.0-16.0-17.0-26.0-7.0-11.0-16.0-10.04.0-5.0-9.0-15.08.0325625-3.015
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss us-gaap:FairValueByAssetClass

stt:AssetbackedSecuritiesCollateralizedLoanObligations


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.01459-83.00.00.02.0-2.0-2.0-2.0-2.0-1.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss0.023.051.355.70.0-0.040.050.066.750.0100.0100.0

stt:NonUSDebtSecurities


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.04756-66.020-29.03.0-2.0-1.0-2.00.00.00.00.0-1.00.01.00.02.0-2.0-1.0-2.00.01.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss0.077.048.744.3100.0100.060.050.033.350.0-0.0-0.00.00.050.00.00.00.050.012.55.97.7-0.0-9.1

stt:NonUsDebtSecuritiesAssetBackedSecurities


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.04555-65.019-27.03.0-2.0-1.0-2.00.00.01.00.0-1.00.01.00.00.00.00.0-1.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss0.073.847.843.695.093.160.050.033.350.0-0.0-0.0100.00.050.00.00.00.00.0-0.0-0.03.8-0.0-0.0

stt:NonUsDebtSecuritiesOther


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.02.01.0-1.01.0-2.00.00.00.00.00.00.01.00.00.00.00.00.02.0-2.0-1.0-1.00.01.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss0.03.30.90.75.06.90.0-0.0-0.0-0.0-0.0-0.0100.00.0-0.00.00.00.050.012.55.93.8-0.0-9.1

us-gaap:AssetBackedSecurities


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.01459-83.00.00.02.0-2.0-2.0-2.0-2.0-1.00.01.0-1.02.0-1.0-6.01.0-14.0-15.0-22.0-6.0-11.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss0.023.051.355.70.0-0.040.050.066.750.0100.0100.00.0100.050.0100.00.0-300.025.087.588.284.685.7100.0

us-gaap:AvailableforsaleSecurities


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.061115-149.020-29.05.0-4.0-3.0-4.0-2.0-1.01.01.0-2.02.00.02.04.0-16.0-17.0-26.0-7.0-11.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value2.01109.0672131816301046701448779273432932409220219224553725457416910.0483432614669369911638124631319103216911471187624161876
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeFinancialInstrumentsAssets


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value2.04.0-5.09.02.03.02.05.010.03.02.03.04.04.00.02.02.05.03.00.00.00.0-8.01.010.0364.022117.0-5.07.01253-25.0-36.088110-23.017796
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases100.03.6-55.61.315.41.70.34.81.52.12.33.81.50.90.00.50.92.31.30.00.00.0-10.80.6100.07.50.93.616.77.5-0.70.61.511.4-1.9-3.55.27.5-1.27.35.1

us-gaap:ForeignExchangeContract


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value2.04.0-5.09.02.03.02.05.010.03.02.03.04.04.00.02.02.05.03.00.00.00.0-8.01.010.0364.022117.0-5.07.01253-25.075157110-20.017396
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases100.03.6-55.61.315.41.70.34.81.52.12.33.81.50.90.00.50.92.31.30.00.00.0-10.80.6100.07.50.93.616.77.5-0.70.61.511.4-1.97.39.37.5-1.17.25.1

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases us-gaap:FairValueByAssetClass

stt:AssetbackedSecuritiesCollateralizedLoanObligations


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.01061466310.017844533455132320.00.0318
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases0.096.4155.698.776.998.370.631.767.991.736.80.00.073.6

stt:NonUSDebtSecurities


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.01.00.018366829.053762691103111470.036-1.03745382811680.0154
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases0.00.07.70.029.063.512.26.260.996.298.525.533.435.90.016.4-0.467.673.615.0109.599.40.031.9

stt:NonUsDebtSecuritiesAssetBackedSecurities


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.00.01.00.018366829.04076269110310290.0310.0905353811680.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases0.00.07.70.029.063.512.26.246.096.298.525.533.37.10.014.20.016.373.69.7109.599.40.00.0

us-gaap:AssetBackedSecurities


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.01061466310.017844533455132320.00.0318620260199155219118191130.00.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases0.096.4155.698.776.998.370.631.767.991.736.80.00.073.666.563.690.570.897.821.326.420.70.00.00.00.0

us-gaap:AvailableforsaleSecurities


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.0106146631117862899660141857626942893240721821422155372545821680.0447
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases0.096.4155.698.784.698.399.795.298.597.997.796.298.599.1100.099.599.197.798.7100.0100.0100.0110.899.40.092.5

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value0.03419420.00.00.00.059-1.037946260900.0-1.06865081.0740.07.01.0240.0361.0450.07215412.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales0.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales us-gaap:FairValueByAssetClass

stt:AssetbackedSecuritiesCollateralizedLoanObligations


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.03419420.00.00.00.00.00.00.0636
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales0.0100.0100.0100.00.00.00.00.00.0-0.00.067.2

us-gaap:AssetBackedSecurities


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-312015-12-312015-09-302015-06-30
Value0.03419420.00.00.00.00.00.00.06362400.00.0-1.0686420
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales0.0100.0100.0100.00.00.00.00.00.0-0.00.067.292.30.00.0100.0100.082.7

us-gaap:AvailableforsaleSecurities


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-312015-12-312015-09-302015-06-30
Value0.03419420.00.00.00.059-1.037946260900.0-1.0686508
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales0.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements


Fair
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value1.00.030223510698109705424953301950.011929554256916691233443366358255551340366276349605557363565487347285184402
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeFinancialInstrumentsAssets


Fair
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value1.00.03.00.01.00.01.00.00.00.06.03.00.00.05.00.04.01.00.00.08.07.03539631.08.01.09.0373094893.05.012874.011782
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements100.00.010.00.02.90.01.00.00.00.02.45.70.00.00.00.01.40.20.00.08.83.07.910.717.60.41.50.32.513.48.615.516.00.80.92.525.11.463.620.4

us-gaap:ForeignExchangeContract


Fair
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value1.00.03.00.01.00.01.00.00.00.06.03.00.00.05.00.04.01.00.00.08.07.03539631.08.01.09.0373094893.06747864.011782
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements100.00.010.00.02.90.01.00.00.00.02.45.70.00.00.00.01.40.20.00.08.83.07.910.717.60.41.50.32.513.48.615.516.00.811.99.724.81.463.620.4

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements us-gaap:FairValueByAssetClass

stt:AssetbackedSecuritiesCollateralizedLoanObligations


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.024223270971195649239-26.05.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements0.080.0100.091.466.099.0109.280.090.796.0-49.116.7

stt:NonUSDebtSecurities


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.03.00.02.0360.0-10.012-1.04.07624-15.0-7.0-2.01.0336.0235.028839.0109
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements0.010.00.05.734.00.0-9.217.1-1.91.6143.480.0-7.70.0-1.70.36.11.113.95.512.018.72.530.4

stt:NonUsDebtSecuritiesAssetBackedSecurities


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.03.00.02.0360.0-9.011-1.03.067-2.0-10.00.0164.0179.0161821831868
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements0.010.00.05.734.00.0-8.315.7-1.91.2126.4-6.7-5.10.013.41.43.11.69.619.89.018.74.919.0

us-gaap:AssetBackedSecurities


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.024223270971195649239-26.05.02082.012029050556012960173308288150
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements0.080.0100.091.466.099.0109.280.090.796.0-49.116.7106.70.0100.898.393.298.477.765.974.269.578.741.9

us-gaap:AvailableforsaleSecurities


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.02722341069710970542435030195-5.011929154156916683226408327295
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements0.090.0100.097.1100.099.0100.0100.0100.097.694.3100.0100.00.0100.098.699.8100.0100.091.297.092.189.382.4

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value0.0150.0500.00.0572302160.00.0540.0684.02151520.0140.0970.085760.00.020151390.01.02195210.00.0114
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel30.0100.00.0100.00.00.0100.0100.0100.00.00.0100.00.0100.0100.0100.0100.00.0100.00.0100.00.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.00.00.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3 us-gaap:FairValueByAssetClass

stt:AssetbackedSecuritiesCollateralizedLoanObligations


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0500.00.0572302160.00.00.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel30.0100.00.00.0100.0100.0100.00.00.00.00.00.0

us-gaap:AssetBackedSecurities


Fair
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302015-12-312015-09-302015-06-30
Value0.0500.00.0572302160.00.00.00.00.0-1.01751010.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel30.0100.00.00.0100.0100.0100.00.00.00.00.00.0-25.081.466.40.00.00.0

us-gaap:AvailableforsaleSecurities


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302015-12-312015-09-302015-06-30
Value0.0150.0500.00.0572302160.00.0540.0684.0215152140.097
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel30.0100.00.0100.00.00.0100.0100.0100.00.00.0100.00.0100.0100.0100.0100.0100.00.0100.0

us-gaap:OtherDebtSecurities


Fair
Period End2021-06-302021-03-312017-12-312017-09-302017-06-302015-12-312015-09-302015-06-30
Value0.0150.00.00.010.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel30.0100.00.00.00.071.40.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3


Fair
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value121140.00.00.01620.0120.0640.0333241-1.016954054357823031464583493723325212172492977642460599311883030148510581220
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3100.0100.00.00.00.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3 us-gaap:FairValueByAssetClass

stt:AssetbackedSecuritiesCollateralizedLoanObligations


Fair
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value106140.00.00.00.00.00.00.00.00.0209
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel387.6100.00.00.00.00.00.00.00.00.00.062.8

us-gaap:AssetBackedSecurities


Fair
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value106140.00.00.00.00.00.00.00.00.0209200-1.099960.00.00.0400.0220.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel387.6100.00.00.00.00.00.00.00.00.00.062.883.0100.058.617.80.00.00.013.20.04.80.0

us-gaap:AvailableforsaleSecurities


Fair
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value121140.00.00.01620.0120.0640.0333241-1.01695405435782303146458349
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3100.0100.00.00.00.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherDebtSecurities


Fair
Period End2021-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value150.00.00.00.00.00.00.09.00.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel312.40.0-0.00.00.00.00.00.03.00.00.00.0

us-gaap:FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation

us-gaap:FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation


Financing
Period End2020-09-302019-09-302019-06-30
Value4000000.01000000.01000000.0
Percentage of FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation us-gaap:ClassOfFinancingReceivableTypeOfBorrower

stt:IncludesAllowancesonUnfundedCommitments


Financing
Period End2021-06-302021-03-312020-09-302020-06-30
Value-2000000.0-4000000.04000000.01000000.0
Percentage of FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation0.00.0100.00.0

us-gaap:FinancialInstitutionsBorrower


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value2000000.0-4000000.02000000.04000000.01000000.0
Percentage of FinancingReceivableAllowanceForCreditLossForeignCurrencyTranslation0.00.00.0100.00.0

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease


Financing
Period End2021-06-302021-03-312020-06-302020-03-31
Value-14.0133931
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:ClassOfFinancingReceivableTypeOfBorrower

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

stt:IncludesAllowancesonUnfundedCommitments


Financing
Period End2021-06-302020-12-312020-09-302020-06-302020-03-31
Value1.08.014145.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0100.0

us-gaap:FinancialInstitutionsBorrower


Financing
Period End2021-06-302020-12-312020-09-302020-06-302020-03-31
Value1.08.014145.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss

us-gaap:FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss


Finite
Period End2021-06-302021-03-312020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value9.0-15.046-9.011-19.06.0-8.0-8.0-2.0-30.0159.019377.0
Percentage of FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss us-gaap:StatementBusinessSegments

stt:InvestmentServicing


Finite
Period End2021-06-302021-03-312020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value9.0-15.046-9.011-19.06.0-8.0-8.0-2.0-30.0158.019368.0
Percentage of FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.088.9100.097.3114.3

us-gaap:FiniteLivedIntangibleAssetsPurchaseAccountingAdjustments

us-gaap:FiniteLivedIntangibleAssetsPurchaseAccountingAdjustments


Finite
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-31
Value-20.02530.00.00.0-93.0
Percentage of FiniteLivedIntangibleAssetsPurchaseAccountingAdjustments100.0100.00.00.00.0100.0

us-gaap:FiniteLivedIntangibleAssetsPurchaseAccountingAdjustments us-gaap:StatementBusinessSegments

stt:InvestmentServicing


Finite
Period End2021-06-302021-03-312019-03-31
Value-20.0253-93.0
Percentage of FiniteLivedIntangibleAssetsPurchaseAccountingAdjustments100.0100.0100.0

us-gaap:FloorBrokerageExchangeAndClearanceFees

us-gaap:FloorBrokerageExchangeAndClearanceFees


Floor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value263270257234233254242254245242214236246242219215207197199200201200194201201197201199193191182185186180179170172181179180193180171165164153
Percentage of FloorBrokerageExchangeAndClearanceFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfNotesReceivable

us-gaap:GainLossOnSaleOfNotesReceivable


Gain
Period End2021-06-302021-03-312020-09-30
Value9.07.0-11.0
Percentage of GainLossOnSaleOfNotesReceivable100.0100.0100.0

us-gaap:GeneralInsuranceExpense

us-gaap:GeneralInsuranceExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value3.03.04.02.03.05.0-2.07.0172218153232342728301931212228332837
Percentage of GeneralInsuranceExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillAcquiredDuringPeriod

us-gaap:GoodwillAcquiredDuringPeriod


Goodwill
Period End2021-03-312019-03-312018-03-312017-03-312012-03-312011-03-31
Value3.01210.0200.031
Percentage of GoodwillAcquiredDuringPeriod100.0100.00.0100.00.0100.0

us-gaap:GoodwillAcquiredDuringPeriod us-gaap:StatementBusinessSegments

stt:InvestmentServicing


Goodwill
Period End2021-03-312019-03-312018-03-312017-03-312012-03-312011-03-31
Value3.01210.0200.00.0
Percentage of GoodwillAcquiredDuringPeriod100.0100.00.0100.00.00.0

us-gaap:GoodwillTranslationAndPurchaseAccountingAdjustments

us-gaap:GoodwillTranslationAndPurchaseAccountingAdjustments


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value15-57.0766932-50.056-65.015-18.0-29.0-10.0-95.04625589522-97.04.0-51.062-45.0-13.066-163.0-73.0-138.0-1.02.0338219-65.03739-89.055-61.0-111.028926249-34.0-35.0
Percentage of GoodwillTranslationAndPurchaseAccountingAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillTranslationAndPurchaseAccountingAdjustments us-gaap:StatementBusinessSegments

stt:InvestmentManagement


Goodwill
Period End2021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-1.01.0-3.03.0-2.00.00.0-1.0-1.0-3.01.01.02.03.00.0-2.00.0-1.01.0-1.00.01.0-3.0-1.0-3.00.00.00.02.00.0-1.01.00.0-1.01.0-1.0-4.02.00.0
Percentage of GoodwillTranslationAndPurchaseAccountingAdjustments1.83.16.05.43.10.0-0.03.410.03.22.24.03.43.20.02.10.02.01.62.2-0.01.51.81.42.2-0.00.00.02.40.01.52.70.01.11.81.63.67.10.0

stt:InvestmentServicing


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value14-56.0736731-47.053-63.015-18.0-28.0-9.0-92.04524569222-95.04.0-50.061-44.0-13.065-160.0-72.0-135.0-1.02.0338019-64.03639-88.054-60.0-107.026926249-34.0-35.0
Percentage of GoodwillTranslationAndPurchaseAccountingAdjustments93.398.296.197.196.994.094.696.9100.0100.096.690.096.897.896.096.696.8100.097.9100.098.098.497.8100.098.598.298.697.8100.0100.0100.097.6100.098.597.3100.098.998.298.496.492.9100.0100.0100.0100.0100.0

us-gaap:ImpairedFinancingReceivableInterestIncomeAccrualMethod

us-gaap:ImpairedFinancingReceivableInterestIncomeAccrualMethod


Impaired
Period End2021-06-302021-03-312020-12-312012-03-312011-12-312011-09-302011-06-302011-03-31
Value-32.0105-39.04.02.04.05.05.0
Percentage of ImpairedFinancingReceivableInterestIncomeAccrualMethod100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInCashCollateralForLoanedSecurities

us-gaap:IncreaseDecreaseInCashCollateralForLoanedSecurities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-6555.035-4320.01203-2519.02685713927-2184.0-1527.0904077-2852.060113051-185.0-979.0-68.0597-3227.03388-776.01415-533.0-4345.0-3199.0-829.0-1117.0-1997.0-419.0-1281.0831-3275.0-321.0-227.01782-2803.0-195.02736-1236.01298-1981.0-2779.01108-1012.0783
Percentage of IncreaseDecreaseInCashCollateralForLoanedSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherDeposits

us-gaap:IncreaseDecreaseInOtherDeposits


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value19050667440605-900.0-4910.0565961089964067475-12013.07095-17344.0-9370.084104150-2430.092252095-11014.07083181-9202.09205-37265.0159894536-47066.0-7291.0132611346427826-12052.0160088121240833754871-21387.02297927621959513730-4260.099703412-1696.0
Percentage of IncreaseDecreaseInOtherDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1067377976-414.0-47.0891434-791.0338732-324.0-212.0-717.0993-722.02761811606-2229.0150-567.0874-467.0-667.01498-1528.0-2049.0-2038.0509-34.0-69.02114-587.0-639.038688716-929.0-2439.0-3193.04510-147.0
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-29.02000-696.0-3968.03154179-1177.0364131976-353.0-629.02881091-1724.0379-554.01908-1546.0-944.0501293-164.0-1207.0341982-2099.0-710.05981542555-705.01109-846.01091-205.0-1292.0156-2330.0-1212.021981197
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherReceivables

us-gaap:IncreaseDecreaseInOtherReceivables


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value57197-187.057-40.043-27.056-75.074-123.0110-97.084562381154650195282575-114.010439-76.09724742939-48.01333719-52.0144-110.0337-255.0117-34.0-516.0
Percentage of IncreaseDecreaseInOtherReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInTimeDeposits

us-gaap:IncreaseDecreaseInTimeDeposits


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value38-1580.01680-2049.0-51732.01863586-6113.0648-5876.05067-1121.04516-1789.01484277-11274.0-5793.0-589.0-1447.074373087-3945.0-6959.03250-2224.048138-3575.010925-1084.0243-269.0-4263.0-10218.05484-857.08720-5720.0-690.06827-1600.0-4661.0-2429.0-679.019951970
Percentage of IncreaseDecreaseInTimeDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInTradingSecurities

us-gaap:IncreaseDecreaseInTradingSecurities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-65.0-29.0-25.0-43.011-42.075-55.038-4.0-141.0-159.0-18.085-42.0239-49.0-79.0-39.01731724-374.0-150.0228221-109.0925246-73.0263-1.017265.0-167.066-1114.0-180.01241353-1668.0128256-1.0
Percentage of IncreaseDecreaseInTradingSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestAndDividendIncomeOperating


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value467471513520674868906100110071027982916907857797761700650616647620629603614629642676671650655684643700687733730786765765728719734834904846878
Percentage of InterestAndDividendIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseDeposits

us-gaap:InterestExpenseDeposits


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-65.0-69.0-70.0-61.0-54.0681101732091711278489486739144412201638302814263333181515172734393737536652445872624633
Percentage of InterestExpenseDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase

us-gaap:InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-30
Value1.00.01.02.04.07.08.0122.04.06.00.00.01.00.00.00.00.00.00.00.0
Percentage of InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.00.00.00.00.0

us-gaap:InterestExpenseShortTermBorrowings

us-gaap:InterestExpenseShortTermBorrowings


Interest
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.00.02.05.010.03.08.06.04.05.04.04.03.03.03.03.02.03.02.02.00.02.01.03.01.01.00.0-12.015141515161818191822232427284670111
Percentage of InterestExpenseShortTermBorrowings100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeDepositsWithFinancialInstitutions

us-gaap:InterestIncomeDepositsWithFinancialInstitutions


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-4.0-9.0-3.0-6.04.08190981091191209490825945413425293043475354545853513434293131333135425539282730222219
Percentage of InterestIncomeDepositsWithFinancialInstitutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeSecuritiesPurchasedUnderAgreementsToResell

us-gaap:InterestIncomeSecuritiesPurchasedUnderAgreementsToResell


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.010.01720246575101909889878177757469463440353617181511119.010.09.0128.012131415139.06.06.06.010.07.07.06.04.0
Percentage of InterestIncomeSecuritiesPurchasedUnderAgreementsToResell100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeSecuritiesStateAndMunicipal

us-gaap:InterestIncomeSecuritiesStateAndMunicipal


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8.09.09.01112121312182944525556565962555452545758585858447186595451545354545555555656565654
Percentage of InterestIncomeSecuritiesStateAndMunicipal100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernment

us-gaap:InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernment


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value252254315356351363360369343300280255227207208212201200209211198178176183179165164163164165183194194200206199185186198206175198170139
Percentage of InterestIncomeSecuritiesUSTreasuryAndOtherUSGovernment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense

us-gaap:LaborAndRelatedExpense


Labor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value107712421129106210511208114510831084122913031103112512491067109010711166124410139891107939105198410879729539781157945903917103591591694210648729651009974935857849883
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Labor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.08.0-6.01.02.012-7.0-1.00.0-8.0131.01.012
Percentage of LaborAndRelatedExpense0.20.6-0.50.10.21.0-0.6-0.10.0-0.71.00.10.11.0

us-gaap:LitigationSettlementAmountAwardedToOtherParty us-gaap:CounterpartyName, us-gaap:LitigationCase

us-gaap:LitigationSettlementAmountAwardedToOtherParty

stt:UnitedStatesAttorneyForTheDistrictOfMassachusetts, stt:InvoicingMatter


Litigation
Period End2021-05-31
Value115
Percentage of LitigationSettlementAmountAwardedToOtherParty100.0

us-gaap:MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments

us-gaap:MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments


Marketable
Period End2021-06-302021-03-312020-12-31
Value134000000.0-562000000.028000000.0
Percentage of MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments100.0100.0100.0

us-gaap:NoninterestExpense

us-gaap:NoninterestExpense


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2111233222762103208222552407218021542293247420792159225621312021203120862183198418602050185719622134209720571892185020281846172217981826186414151772183517841798177417021792152719441579
Percentage of NoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestExpense us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value10.0561456.012112794512233130.0770.01323471294233171075.0853.0
Percentage of NoninterestExpense0.52.46.40.30.60.511.62.10.61.012.70.03.60.06.21.73.51.41.91.70.95.20.34.30.1

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

us-gaap:OperatingSegments, stt:InvestmentManagement


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value346397375358353385379373377406371386389398332314311329401317244256251204251
Percentage of NoninterestExpense16.417.016.517.017.017.115.717.117.517.715.018.618.017.615.615.515.315.818.416.013.112.513.510.411.8

us-gaap:OperatingSegments, stt:InvestmentServicing


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1755187917561739171718591749176217651864179016931693185816671673164917281740163415991687160116731880
Percentage of NoninterestExpense83.180.677.282.782.582.472.780.881.981.372.481.478.482.478.282.881.282.879.782.486.082.386.285.388.1

us-gaap:NoninterestIncome

us-gaap:NoninterestIncome


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2514248394970.00.02.0236822592260226022892280235823632230224222352198
Percentage of NoninterestIncome100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, stt:RevenueFromFees, stt:InvestmentManagement


Noninterest
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value530512477452513484483466459