MS


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

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets
dei:LegalEntity

us-gaap:CapitalToRiskWeightedAssets
dei:LegalEntity

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

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

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestAndFeeIncomeLoansAndLeases

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

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

us-gaap:InterestIncomeOperating

us-gaap:InterestPaidNet

us-gaap:MarketingAndAdvertisingExpense

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

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:PreferredStockDividendsIncomeStatementImpact

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

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

us-gaap:Assets
ms:VariableInterestEntityByInterest, ms:VariableInterestEntityByProductGroup, us-gaap:ConsolidatedEntities
ms:VariableInterestEntityByInterest, us-gaap:ConsolidatedEntities
ms:VariableInterestEntityByProductGroup, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:StatementBusinessSegments
us-gaap:StatementGeographical

us-gaap:Liabilities
ms:VariableInterestEntityByInterest, ms:VariableInterestEntityByProductGroup, us-gaap:ConsolidatedEntities
ms:VariableInterestEntityByProductGroup, us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:StockholdersEquity

us-gaap:TierOneRiskBasedCapital
dei:LegalEntity

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:ConsolidatedEntities

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

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:ConsolidatedEntities

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:StatementBusinessSegments

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:EquitySecuritiesFvNi
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:OtherAssets
us-gaap:ConsolidatedEntities

us-gaap:TimeDepositMaturitiesYearOne

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

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

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital
us-gaap:ConsolidatedEntities

us-gaap:RetainedEarningsAccumulatedDeficit
us-gaap:ConsolidatedEntities

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:TreasuryStockValue
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:NetCashProvidedByUsedInOperatingActivities

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

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

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividends

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

ms:AssetManagementFees
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FinancialInstrument
ms:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAnnualizedAverageYield

ms:AvailableForSaleSecuritiesDebtMaturitiesAnnualizedAverageYield
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
ms:AvailableForSaleSecuritiesDebtMaturitiesNextTwelveMonthsAnnualizedAverageYield
us-gaap:FinancialInstrument
ms:AvailableForSaleSecuritiesDebtMaturitiesYearSixThroughTenAnnualizedAverageYield
us-gaap:FinancialInstrument
ms:AvailableForSaleSecuritiesDebtMaturitiesYearTwoThroughFiveAnnualizedAverageYield
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
ms:DerivativeInstrumentsGainLossRecognizedinOtherComprehensiveIncomeLoss
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
ms:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesAndOriginations

ms:FinancingReceivableAllowanceForCreditLossesOther
us-gaap:FinancingReceivablePortfolioSegment

ms:FinancingReceivableAllowanceForCreditLossesWriteDownsNetOfRecoveries
us-gaap:FinancingReceivablePortfolioSegment

ms:FinancingReceivableAllowanceforCreditLossEffectofAccountingUpdateAdoption
us-gaap:FinancingReceivablePortfolioSegment

ms:FinancingReceivableAndOffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FinancialInstrument
ms:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsAnnualizedAverageYield

ms:HeldToMaturitySecuritiesDebtMaturitiesAnnualizedAverageYield
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
ms:HeldToMaturitySecuritiesDebtMaturitiesNextTwelveMonthsAnnualizedAverageYield
us-gaap:FinancialInstrument
ms:HeldToMaturitySecuritiesDebtMaturitiesYearSixThroughTenAnnualizedAverageYield
us-gaap:FinancialInstrument
ms:HeldToMaturitySecuritiesDebtMaturitiesYearTwoThroughFiveAnnualizedAverageYield

ms:IncomeTaxExpenseBenefitDiscreteItemRemeasurementOfReservesAndRelatedInterest

ms:IncomeTaxExpenseBenefitDiscreteItemRemeasurementOfReservesAndRelatedInterestAndOthers

ms:IncreaseDecreaseInSecuritiesPurchasedUnderAgreementsToResell

ms:InterestExpenseCustomerPayablesAndOther

ms:InterestExpenseSecuritiesSoldUnderAgreementsToRepurchaseAndSecuritiesLoaned

ms:InterestIncomeSecuritiesPurchasedUnderAgreementsToResellAndSecuritiesBorrowed

ms:InterestIncomeTradingAssetsNetOfTradingLiabilities

ms:InvestmentCompanyRegulatoryFeeWaived

ms:InvestmentSecuritiesDebtMaturitiesAnnualizedAverageYield

ms:NoninterestExpenseExcludingLaborAndRelatedExpense
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

ms:OffBalanceSheetLoanCommitmentsAllowanceForCreditExposuresOtherIncreaseDecrease
us-gaap:FinancingReceivablePortfolioSegment

ms:OffbalancesheetLoanCommitmentsAllowanceforCreditExposuresEffectofAccountingUpdateAdoption
us-gaap:FinancingReceivablePortfolioSegment

ms:OtherComprehensiveIncomeLossDebtValuationAdjustmentNetOfTax

ms:PaymentsRelatedToCommonStockRepurchaseAndTaxWithholdingForShareBasedCompensation

ms:ProceedsFromMaturitiesOfMarketableSecurities

ms:ProceedsFromRepaymentsOfOtherSecuredFinancings

ms:ProceedsFromSaleOfMarketableSecurities

ms:ProportionOfInvestmentBankingRevenueRecognizedUnderNewAccountingPronouncement
us-gaap:AdjustmentsForNewAccountingPronouncements

ms:ProvisionForLoansAndLoanCommitments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

ms:ProvisionforReleaseofLendingCommitments
us-gaap:FinancingReceivablePortfolioSegment

ms:RevenueFromContractWithCustomerPerformanceObligationsFullyOrPartiallySatisfiedInPriorPeriods
ms:JointVenturesByPartner
ms:ShareRepurchaseProgramOwnershipProportionMaximumPercent

ms:TransactionTaxes
us-gaap:StatementEquityComponents
ms:TreasuryStockValueAcquiredCostMethodAndEmployeeTaxWithholdings

us-gaap:BrokerageCommissionsRevenue
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:BusinessAcquisition, us-gaap:StatementClassOfStock
us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
us-gaap:BusinessAcquisition, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionsProFormaRevenue
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisition, us-gaap:StatementClassOfStock
us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable
us-gaap:BusinessAcquisition, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual

us-gaap:CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers

us-gaap:CashFlowsBetweenTransfereeAndTransferorReceiptsOnInterestsThatContinueToBeHeldOther

us-gaap:CommunicationsAndInformationTechnology

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss

us-gaap:DepreciationAndAmortization
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:DerivativeInstrumentRisk, us-gaap:HedgingDesignation

us-gaap:DividendsCommonStock
us-gaap:StatementEquityComponents

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

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueOptionChangesInFairValueGainLoss1
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:IncomeStatementLocation
us-gaap:FinancialInstrument, us-gaap:IncomeStatementLocation
us-gaap:FairValueOptionCreditRiskGainsLossesOnAssets
us-gaap:FinancialInstrument, us-gaap:OtherComprehensiveIncomeLocation

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FloorBrokerageExchangeAndClearanceFees
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation
us-gaap:GainLossOnFairValueHedgesRecognizedInEarnings
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:IncomeLossFromEquityMethodInvestments
us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInDeposits

us-gaap:IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities

us-gaap:IncreaseDecreaseInPayablesUnderRepurchaseAgreements

us-gaap:IncreaseDecreaseInReceivables

us-gaap:IncreaseDecreaseInSecuritiesBorrowed

us-gaap:IncreaseDecreaseInSecuritiesLoanedTransactions

us-gaap:InterestAndDividendIncomeOperating
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:InterestExpenseBorrowings

us-gaap:InterestExpenseDeposits

us-gaap:InterestIncomeOther

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

us-gaap:LaborAndRelatedExpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:LitigationCase, us-gaap:LitigationStatus
us-gaap:LossContingencyDamagesSoughtValue

us-gaap:NetIncomeLossAttributableToNonredeemableNoncontrollingInterest
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents

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

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

us-gaap:NoninterestIncomeOtherOperatingIncome
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OccupancyNet

us-gaap:OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoninterestExpense

us-gaap:PaymentsForProceedsFromLoansReceivable

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromProductiveAssets
us-gaap:BusinessAcquisition
us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:PrincipalInvestmentGainsLosses
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:ProceedsFromIssuanceOfDebt

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
ms:QualifyingSpecialPurposeEntityClassification, us-gaap:FinancialInstrument
us-gaap:ProceedsFromSaleOfLoansReceivable

us-gaap:ProfessionalFees

us-gaap:ProvisionForLoanAndLeaseLosses
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:ProvisionForLoanLossesExpensed
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:RepaymentsOfDebt
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueAcquisitions
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementClassOfStock
us-gaap:StockRedeemedOrCalledDuringPeriodValue
us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedDuringPeriodValue
us-gaap:StatementEquityComponents
us-gaap:StockholdersEquityOther

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

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

ms:AccruedPerformanceFees

ms:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentResultingFromRealizedOrUnrealizedGainsLossesOnhedgesNetOfTax

ms:AccumulatedOtherComprehensiveIncomeLossInvestmentInNonUSDollarFunctionalCurrencySubsidiaries

ms:AdjustedAverageAssets
us-gaap:ConsolidatedEntities
ms:AdvancesToSubsidiariesBankAndBankHoldingCompany
us-gaap:ConsolidatedEntities
ms:AdvancesToSubsidiariesNonbank

ms:BankingRegulationCapitalBufferRequirement
us-gaap:BusinessAcquisition
ms:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeposits
us-gaap:BusinessAcquisition
ms:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInvestmentSecurities
us-gaap:BusinessAcquisition
ms:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoansHeldForInvestment
us-gaap:BusinessAcquisition
ms:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebtExcludingSecuredFinancing
us-gaap:BusinessAcquisition
ms:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLiabilitiesAndAccruedExpenses
us-gaap:BusinessAcquisition
ms:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherSecuredFinancing
us-gaap:BusinessAcquisition
ms:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedSecuritiesBorrowed
us-gaap:BusinessAcquisition
ms:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedSecuritiesLoaned
us-gaap:BusinessAcquisition
ms:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTradingAssetsCorporateAndOtherDebt
us-gaap:BusinessAcquisition
ms:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTradingAssetsInvestments
us-gaap:BusinessAcquisition
ms:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTradingAssetsLoansAndLendingCommitments
us-gaap:FinancialInstrument
ms:CommitmentsParticipatedToThirdParties

ms:CommonStockBookValuePerShare
ms:CreditDerivativesProtection, us-gaap:CreditDerivativesByContractType
ms:CreditDerivativePurchasedCreditProtectionNotionalAmount
us-gaap:LongtermDebtType
ms:DebtAmountCallableOrExtendibleAtOptionOfHolders
us-gaap:LongtermDebtType
ms:DebtAmountPuttableOrExtendibleAtOptionOfHolders

ms:DebtSecuritiesHeldtomaturityMaturityAllocatedandSingleMaturityDateAmortizedCostLessAllowanceforCreditLoss
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
ms:DebtSecuritiesHeldtomaturityMaturityAllocatedandSingleMaturityDateRollingafter10YearsAmortizedCostLessAllowanceforCreditLoss
us-gaap:FinancialInstrument
ms:DebtSecuritiesHeldtomaturityMaturityAllocatedandSingleMaturityDateRollingafterFiveThroughTenYearsAmortizedCostLessAllowanceforCreditLoss
us-gaap:FinancialInstrument
ms:DebtSecuritiesHeldtomaturityMaturityAllocatedandSingleMaturityDateRollingafterOneThroughFiveYearsAmortizedCostLessAllowanceforCreditLoss
us-gaap:FinancialInstrument
ms:DebtSecuritiesHeldtomaturityMaturityAllocatedandSingleMaturityDateRollingwithinOneYearAmortizedCostLessAllowanceforCreditLoss

ms:DeferredTaxAssetsInventoryInvestmentsAndReceivables

ms:DeferredTaxAssetsTaxCreditAndOperatingLossCarryforwards
us-gaap:RetirementPlanTaxStatus
ms:DefinedBenefitPlanPercentageOfAssetsIncludedInTotalPlanAssets
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
ms:DepositsMeasurementInputValue
us-gaap:ConsolidatedEntities
ms:DepositsWithAffiliates
us-gaap:BalanceSheetLocation, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
ms:DerivativeAssetFairValueUnsettled

ms:DueFromEmployeesAllowance

ms:DueFromEmployeesNetOfAllowance

ms:EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostWillBeRecognizedAbsentEstimatedOrActualForfeituresOrCancellationsInYearTwo

ms:EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostWillBeRecognizedAbsentEstimatedOrActualForfeituresOrCancellationsThereafter

ms:EmployeeServiceShareBasedCompensationNonvestedAwardsCompensationCostWillBeRecognizedAbsentEstimatedOrActualForfeituresOrCancellationsWithinNextTwelveMonths

ms:FairValueInvestmentsEntitiesThatCalculateNetAssetValueAtCarryingValue
us-gaap:InvestmentType

ms:FairValueOptionAggregateDifferencesDebt
us-gaap:ConsolidatedEntities
ms:FederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellWithAffiliate

ms:FinancingReceivableIncludingHeldForSaleAfterAllowanceForCreditLoss

ms:FinancingReceivableIncludingHeldForSaleBeforeAllowanceForCreditLoss
us-gaap:FinancingReceivablePortfolioSegment

ms:FinancingReceivableIncludingHeldForSaleNetAmountForeign

ms:FinancingReceivableIncludingHeldForSaleWithFixedRatesOfInterest

ms:FinancingReceivableIncludingHeldForSaleWithVariableRatesOfInterest

ms:FinancingReceivableTroubledDebtRestructuringAllowanceForCreditLosses

ms:FiniteLivedIntangibleAssetsAmortizationExpenseYearOnethroughYearFive
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
ms:IntangibleAssetsExcludingGoodwillFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
ms:QualifyingSpecialPurposeEntityClassification
ms:InterestsPurchasedInSecondaryMarketFairValue
ms:QualifyingSpecialPurposeEntityClassification, us-gaap:ConcentrationRiskByType
ms:QualifyingSpecialPurposeEntityClassification, us-gaap:ConcentrationRiskByType, us-gaap:FairValueByFairValueHierarchyLevel
ms:QualifyingSpecialPurposeEntityClassification, us-gaap:ConcentrationRiskByType, us-gaap:FinancialInstrument
ms:QualifyingSpecialPurposeEntityClassification, us-gaap:FairValueByFairValueHierarchyLevel
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us-gaap:FinancingReceivablePortfolioSegment, us-gaap:LoanToValue
ms:CreditRatingInternal, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:LoanToValue
ms:CreditRatingInternal, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:LoanToValue

us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus
us-gaap:FinancingReceivablePortfolioSegment
ms:CreditRatingInternal, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableRevolving
us-gaap:CreditScoreFico, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:LoanToValue

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:ConsolidatedEntities, us-gaap:UnderlyingAssetClass
us-gaap:GuaranteeObligationsCurrentCarryingValue
us-gaap:UnderlyingAssetClass
us-gaap:UnderlyingAssetClass
us-gaap:GuarantyAssets
us-gaap:DerivativeInstrumentRisk
us-gaap:HedgedAssetFairValueHedge
us-gaap:DerivativeInstrumentRisk
us-gaap:HedgedAssetFairValueHedgeCumulativeIncreaseDecrease
us-gaap:DerivativeInstrumentRisk
us-gaap:HedgedLiabilityDiscontinuedFairValueHedgeCumulativeIncreaseDecrease
us-gaap:DerivativeInstrumentRisk
us-gaap:HedgedLiabilityFairValueHedge
us-gaap:DerivativeInstrumentRisk
us-gaap:HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:HeldToMaturitySecurities
us-gaap:FairValueByMeasurementBasis

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
us-gaap:FinancialInstrument
us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
us-gaap:FinancialInstrument
us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:HeldToMaturitySecuritiesFairValue
us-gaap:FinancialInstrument

us-gaap:InterestBearingDepositsInBanks

us-gaap:InterestPayableCurrentAndNoncurrent

us-gaap:InterestReceivable
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:InvestmentInPhysicalCommoditiesFairValueDisclosure

us-gaap:InvestmentRelatedLiabilities
us-gaap:AssetsSoldUnderAgreementsToRepurchaseMaturityPeriods

us-gaap:InvestmentsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:LesseeOperatingLeaseDiscountRate

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:UnderlyingAssetClass
us-gaap:LineOfCredit

us-gaap:LoansAndLeasesReceivableAllowance

us-gaap:LoansAndLeasesReceivableGrossCarryingAmount
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:LoansAndLeasesReceivableNetReportedAmount
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LoansHeldForSaleFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique
us-gaap:LoansHeldForSaleMeasurementInput
us-gaap:Range, us-gaap:MeasurementInputType, us-gaap:ValuationTechnique

us-gaap:LoansReceivableHeldForSaleAmount
us-gaap:FinancingReceivablePortfolioSegment

us-gaap:LoansReceivableHeldForSaleNetNotPartOfDisposalGroup

us-gaap:LoansReceivableWithFixedRatesOfInterest1

us-gaap:LoansReceivableWithVariableRatesOfInterest1

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
ms:LongTermDebtRateType, us-gaap:ConsolidatedEntities
ms:LongTermDebtRateType, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
ms:LongTermDebtRateType, us-gaap:ConsolidatedEntities
ms:LongTermDebtRateType, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
ms:LongTermDebtRateType, us-gaap:ConsolidatedEntities
ms:LongTermDebtRateType, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
ms:LongTermDebtRateType, us-gaap:ConsolidatedEntities
ms:LongTermDebtRateType, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
ms:LongTermDebtRateType, us-gaap:ConsolidatedEntities
ms:LongTermDebtRateType, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
ms:LongTermDebtRateType, us-gaap:ConsolidatedEntities
ms:LongTermDebtRateType, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
ms:LongTermDebtRateType, us-gaap:LongtermDebtType
us-gaap:LongtermDebtWeightedAverageInterestRate
us-gaap:LongtermDebtType
us-gaap:LitigationCase, us-gaap:Range, us-gaap:LitigationStatus
us-gaap:LossContingencyEstimateOfPossibleLoss

us-gaap:NonredeemableNoncontrollingInterest
us-gaap:ConsolidatedEntities

us-gaap:NotesReceivableGross

us-gaap:NotesReceivableNet
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis

us-gaap:ObligationToReturnSecuritiesReceivedAsCollateral
us-gaap:AssetsSoldUnderAgreementsToRepurchaseMaturityPeriods
us-gaap:Collateral

us-gaap:OtherCommitment
us-gaap:FinancialInstrument
us-gaap:OtherCommitments

us-gaap:OtherCommitmentDueAfterFifthYear
us-gaap:FinancialInstrument
us-gaap:OtherCommitments

us-gaap:OtherCommitmentDueInFourthAndFifthYear
us-gaap:FinancialInstrument
us-gaap:OtherCommitments

us-gaap:OtherCommitmentDueInNextTwelveMonths
us-gaap:FinancialInstrument
us-gaap:OtherCommitments

us-gaap:OtherCommitmentDueInSecondAndThirdYear
us-gaap:FinancialInstrument
us-gaap:OtherCommitments

us-gaap:OtherReceivables
us-gaap:ConsolidatedEntities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis

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

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass
us-gaap:FairValueByLiabilityClass
us-gaap:RetirementPlanType
us-gaap:ConsolidatedEntities
us-gaap:PledgedFinancialInstrumentsNotSeparatelyReportedOtherDebtSecuritiesAvailableForSaleOrHeldForInvestment

us-gaap:PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged
us-gaap:ConsolidatedEntities
us-gaap:RestrictedCash

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:RiskWeightedAssets

us-gaap:SecuritiesBorrowed
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis

us-gaap:SecuritiesBorrowedAmountOffsetAgainstCollateral

us-gaap:SecuritiesBorrowedCollateralObligationToReturnCash

us-gaap:SecuritiesBorrowedGrossIncludingNotSubjectToMasterNettingArrangement

us-gaap:SecuritiesBorrowedLiability

us-gaap:SecuritiesBorrowedNotSubjectToMasterNettingArrangement

us-gaap:SecuritiesLoaned
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis

us-gaap:SecuritiesLoanedAmountOffsetAgainstCollateral

us-gaap:SecuritiesLoanedAndSecuritiesSoldUnderAgreementToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement
us-gaap:AssetsSoldUnderAgreementsToRepurchaseMaturityPeriods

us-gaap:SecuritiesLoanedAsset

us-gaap:SecuritiesLoanedCollateralRightToReclaimCash

us-gaap:SecuritiesLoanedGrossIncludingNotSubjectToMasterNettingArrangement
us-gaap:AssetsSoldUnderAgreementsToRepurchaseMaturityPeriods
us-gaap:Collateral

us-gaap:SecuritiesLoanedNotSubjectToMasterNettingArrangement

us-gaap:SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:SecuritiesPurchasedUnderAgreementsToResell
us-gaap:ConsolidatedEntities

us-gaap:SecuritiesPurchasedUnderAgreementsToResellAmountOffsetAgainstCollateral

us-gaap:SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnCash

us-gaap:SecuritiesPurchasedUnderAgreementsToResellGrossIncludingNotSubjectToMasterNettingArrangement

us-gaap:SecuritiesPurchasedUnderAgreementsToResellLiability

us-gaap:SecuritiesPurchasedUnderAgreementsToResellNotSubjectToMasterNettingArrangement

us-gaap:SecuritiesReserveDepositRequiredAndMade

us-gaap:SecuritiesSoldUnderAgreementsToRepurchase
us-gaap:ConsolidatedEntities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByMeasurementBasis

us-gaap:SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral

us-gaap:SecuritiesSoldUnderAgreementsToRepurchaseAsset

us-gaap:SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash

us-gaap:SecuritiesSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement
us-gaap:AssetsSoldUnderAgreementsToRepurchaseMaturityPeriods
us-gaap:Collateral

us-gaap:SecuritiesSoldUnderAgreementsToRepurchaseNotSubjectToMasterNettingArrangement

us-gaap:SeniorNotes
us-gaap:ConsolidatedEntities
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding

us-gaap:SubordinatedDebt
us-gaap:ConsolidatedEntities

us-gaap:SupplementaryLeverageRatio
dei:LegalEntity
dei:LegalEntity
us-gaap:TierOneLeverageCapital

us-gaap:TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets

us-gaap:TierOneLeverageCapitalToAverageAssets
dei:LegalEntity

us-gaap:TimeDepositMaturitiesAfterYearFive

us-gaap:TimeDepositMaturitiesRemainderOfFiscalYear

us-gaap:TimeDepositMaturitiesYearFive

us-gaap:TimeDepositMaturitiesYearFour

us-gaap:TimeDepositMaturitiesYearThree

us-gaap:TimeDepositMaturitiesYearTwo

us-gaap:TimeDeposits

us-gaap:TimeDepositsAtOrAboveFDICInsuranceLimit
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:TradingLiabilitiesFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:TradingSecuritiesDebt
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancialInstrument, us-gaap:TransactionType
us-gaap:TransferOfFinancialAssetsAccountedForAsSalesAmountDerecognized
us-gaap:FinancialInstrument, us-gaap:TransactionType
us-gaap:TransferOfFinancialAssetsAccountedForAsSalesFairValueOfDerecognizedAssets

us-gaap:TransfersAccountedForAsSecuredBorrowingsAssociatedLiabilitiesCarryingAmount

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
ms:VariableInterestEntityByInterest, ms:VariableInterestEntityByProductGroup
us-gaap:VariableInterestEntityEntityMaximumLossExposureAmount
ms:VariableInterestEntityByProductGroup
ms:VariableInterestEntityByInterest
us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssets
ms:VariableInterestEntityByInterest, ms:VariableInterestEntityByProductGroup
ms:VariableInterestEntityByInterest, ms:VariableInterestEntityByProductGroup
us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountLiabilities

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Interest Expense
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Operating Lease Right Of Use Asset
Liabilities
Operating Lease Liability
Noncurrent Liabilities
Long Term Debt
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Share Based Compensation
NetCashProvidedByUsedInInvestingActivities
Payments To Acquire Businesses Net Of Cash Acquired
NetCashProvidedByUsedInFinancingActivities
Proceeds From Payments For Other Financing Activities
Shares
Common Stock Shares Outstanding
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
BanksAndOrInsurance
Interest Income Operating
AssetsBanks
Financing Receivable Allowance For Credit Losses
LiabilitiesBanks
Deposits

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
us-gaap:CommonStockValue █████████████████████████████████████████▁▁20.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.016.016.0NANANANA
us-gaap:CommonStockSharesOutstanding NANA1810.0NA1576.1052811575.5005071593.973681623.5870781658.8051081685.9963911699.8289431725.7922781749.6530711773.9343931788.0868051812.4724191839.5781741851.942591852.4816011876.4664461917.5094921938.2943681920.0240271938.0693120.01971.4437391950.9801421958.3861881964.5033561971.6861391944.8687511953.3507111959.326271960.5828681974.0421231975.0403721977.4027421978.3379221926.986131927.5397031929.0325831545.0640121512.022095NANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁1841.01818.0NA1566.01557.01573.0NA1627.01655.01677.0NA1727.01748.01771.0NA1818.01830.01842.0NA1879.01899.01914.840943NA1949.2816011960.3557021962.996441NA1970.9224731969.6982391969.652798NA1964.812611951.3627361940.264085NA1889.3006311911.7093771876.961836NA1868.7439431464.2959841472.307592NA1443.1005241748.2089481626.2073271002.058928
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁1814.01795.0NA1542.01541.01555.0NA1604.01634.01658.0NA1697.01720.01740.0NA1776.01791.01801.0NA1838.01866.01883.141468NA1904.2134931919.0871271924.122199NA1922.9958351928.2503281924.27016NA1909.3507881907.7371751901.204729NA1889.3006311885.1791821876.961836NA1848.2464711464.2959841456.015979NA1377.2303541317.6864931314.608021002.058928
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount NA1.0NANA8.012.0NA0.00.06.0NA1.01.01.0NA0.00.00.0NA14.014.015.0NA12.012.012.0NA15.016.029.0NA36.040.042.0NA131.077.0148.0NA94.095.0397.0NA421.0115.0236.0663.0
us-gaap:EarningsPerShareBasic ▇█▇▇█▆▆▆▆▇▅▆▆▇▄▆▆▆▅▅▅▅▅▅▆▆▂▆▆▅▄▅▅▅▄▃▄▄▄▆▃▅▅▄▆▆▁1.882.221.841.681.981.021.331.281.241.410.811.191.321.480.270.950.891.020.840.830.760.560.40.490.871.2-0.910.850.940.750.020.460.420.490.3-0.550.3-0.06-0.151.16-0.380.510.42-0.071.21.07-1.62
us-gaap:EarningsPerShareDiluted ▇█▇▇█▆▆▆▆▇▅▆▆▇▄▆▆▆▅▅▅▅▅▅▆▆▂▆▆▅▄▅▅▅▅▃▅▄▄▆▃▅▅▄▆▆▁1.852.191.811.661.961.011.31.271.231.390.81.171.31.450.260.930.871.00.810.810.750.550.390.480.851.18-0.910.830.920.740.020.450.410.480.29-0.550.29-0.06-0.151.15-0.380.50.41-0.071.090.99-1.62
us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets ████▁▁▁▁▁▁▁1.83e-051.85e-051.9399999999999997e-051.9e-051.81e-071.7299999999999997e-071.86e-071.85e-071.86e-071.9e-071.92e-07NANANA1.89e-07NANANA1.9e-071.89e-07NANA1.74e-07NANANANANANANA1.57e-071.53e-07NANA1.7699999999999998e-071.6900000000000002e-071.7199999999999998e-071.6800000000000002e-071.66e-071.5199999999999998e-071.67e-071.65e-071.61e-07NANANANA
us-gaap:CapitalToRiskWeightedAssets ████▁▁▁▁▁▁▁2e-052.0399999999999998e-052.15e-052.14e-052.0399999999999997e-071.96e-072.1e-072.0899999999999998e-072.1e-072.16e-072.18e-07NANANA2.17e-07NANANA2.2e-072.2e-07NANA2.07e-07NANANANANANANA1.6900000000000002e-071.61e-07NANA1.85e-071.7000000000000001e-071.84e-071.81e-071.7799999999999998e-071.64e-071.8299999999999998e-071.84e-071.65e-07NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,ms:InstitutionalSecuritiesSegment▆█▆▄▇▃▃▃▃▃▁▃▄7092.08577.07004.06062.07977.04905.05054.05023.05113.05196.03839.04929.05714.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,ms:InvestmentManagementSegment█▅▄▄▃▁▆▂▂▂▁▁▁1702.01314.01100.01056.0886.0692.01356.0764.0839.0804.0684.0653.0691.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,ms:WealthManagementSegment██▇▃▃▁▃▂▂▂▁▂▂6095.05959.05681.04657.04680.04037.04582.04358.04408.04389.04144.04399.04325.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,ms:InstitutionalSecuritiesSegment▆█▆▄▇▃▃▃▃▃▁▃▄7092.08577.07004.06062.07977.04905.05054.05023.05113.05196.03839.04929.05714.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,ms:InvestmentManagementSegment█▅▄▄▃▁▆▂▂▂▁▁▁1702.01314.01100.01056.0886.0692.01356.0764.0839.0804.0684.0653.0691.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 Net profit Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,ms:WealthManagementSegment██▇▃▃▁▃▂▂▂▁▂▂6095.05959.05681.04657.04680.04037.04582.04358.04408.04389.04144.04399.04325.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
us-gaap:ComprehensiveIncomeNetOfTax ▆▅▄▄▃█▃▅▅▄▅▃▅▅▃▄▄▄▃▄▄▄▃▃▄▄▁▄▄▄▂▃▃▃▃▂▃▂▂▄▄▃▃▃▄▄▁3742.03328.01960.02179.01102.06581.01049.02626.02623.02248.03238.01183.02773.02759.0127.01725.01719.02123.093.01432.01915.01864.0671.01046.01626.02376.0-1763.01311.02134.01630.05.01061.0505.0784.0223.0-948.0431.03.06.02106.01299.01009.0485.0369.02165.01777.0-1583.0
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▆▅▄▄▃█▃▅▅▄▅▃▅▅▃▄▄▄▂▄▄▄▃▃▄▄▁▄▄▄▂▃▃▃▃▂▃▃▃▄▄▃▃▃▄▄▁3744.03315.01950.02241.01055.06801.01066.02673.02677.02256.03348.01166.02794.02867.0128.01729.01732.02214.0-45.01490.02060.01942.0698.01092.01634.02443.0-1787.01308.02170.01727.030.01181.0659.0961.0291.0-853.0658.0139.070.02263.01555.01137.0745.0970.02233.02000.0-1580.0
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▇█▇▆▇▅▆▆▆▆▅▆▆▆▆▆▆▆▅▅▆▅▅▅▆▆▁▅▅▅▃▅▅▅▄▂▄▄▃▇▅▄▄▄▅▆4566.05344.04430.03487.04355.02146.02733.02710.02903.02955.01857.02851.03109.03420.02471.02482.02642.02808.02246.02381.02483.01738.01439.01474.02727.02855.0-2931.02220.01933.02307.0-217.01339.01775.01582.0859.0-1480.0940.0203.0-457.03691.01976.0904.01191.0822.01725.02493.0NA
us-gaap:IncomeTaxExpenseBenefit ▆▇▆▆▆▅▅▅▅▅▅▆▅▆█▆▆▆▅▆▆▅▅▅▆▅▁▅▄▆▃▅▅▅▄▃▄▄▃▇▅▃▄▄▅▅▂1054.01176.01018.0736.01119.0366.0428.0492.0657.0487.0300.0696.0640.0714.01810.0697.0846.0815.0566.0749.0833.0578.0496.0423.0894.0387.0-1353.0463.015.0762.0-401.0339.0555.0332.08.0-524.0226.054.0-296.01410.0542.0-256.086.0-23.0240.0436.0-725.0
us-gaap:IncomeTaxesPaidNet █▂▅▅▂▂▂▃▄▂▂▁▃▂▂▂▃▂▂▁▁▁▁▁▁▁1694.0339.0916.0996.0337.0342.0305.0488.0870.0245.0368.0219.0540.0250.0423.0235.0470.0262.0327.0164.0218.0122.0136.0199.0223.0119.0NANANANANANANANANANANANANANANANANANANANA2.0
us-gaap:InterestAndFeeIncomeLoansAndLeases ▇▆▆▆▇██████▇▇▆▆▅▅▄▄▄▄▄▃▃▃▂▂▂▁▁▁▁1040.0988.0971.0967.01050.01154.01184.01208.01196.01195.01152.01085.01074.0938.0899.0853.0798.0748.0698.0698.0680.0647.0590.0560.0529.0474.0470.0474.0358.0355.0331.0299.0NANANANANANANANANANANANANANANA
us-gaap:InterestExpense ▁▁▁▁▂▅▆▇██▇▆▆▄▄▄▃▃▂▂▂▂▁▂▂▂▂▂▂▃▂▃▃▃▃▄▄▄▃▄▅▄▄▄▄▃▃347.0409.0374.0570.0758.02147.02519.03132.03477.03276.03122.02691.02388.01885.01591.01557.01355.01194.0985.0731.0754.0848.0477.0689.0688.0888.0833.0827.0983.01035.0800.01200.01218.01213.01303.01536.01484.01601.01416.01609.02029.01853.01692.01748.01606.01368.01140.0
us-gaap:InterestIncomeExpenseNet ▇█▇▆▇▆▆▅▅▅▅▅▄▅▅▄▄▄▄▅▄▄▅▄▄▃▃▃▂▂▂▂▂▂▂▁▁▁▂▂▁▂▂▂▂▃▁1865.02028.01871.01486.01600.01356.01433.01218.01029.01014.0989.0936.0906.0975.0995.0783.0751.0771.0883.01003.0913.0899.01037.0762.0698.0596.0603.0557.0267.0308.0282.0111.0204.0185.0175.0-157.0-161.0-59.0270.0140.0-72.01.0252.0103.0141.0368.0-51.0
us-gaap:InterestIncomeOperating ▅█▆▄▅▃▅▅▄▃▃▃▃▃▂▁▁▁▂▁608.0849.0679.0529.0629.0445.0612.0579.0509.0475.0463.0440.0417.0424.0391.0313.0304.0326.0380.0289.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestPaidNet ▁▂▁▃▂▅▆██▇▇▇▆▃▅▄▃▂▃295.0586.0373.01005.0619.02123.02751.03449.03415.02896.03159.02884.02527.01407.01955.01500.01185.0737.01050.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MarketingAndAdvertisingExpense ▅▅▆▃▂▅▇▆▆▅█▅▆▅▇▅▆▅▆▅▆▅▇▆▆▅▇▆▆▅▇▅▆▅▆▅▆▅▆▅▆▅▆▅▅▅▁146.0146.0161.078.063.0132.0200.0157.0162.0141.0220.0152.0179.0140.0190.0128.0155.0136.0169.0130.0154.0134.0194.0158.0179.0150.0186.0160.0165.0147.0190.0151.0163.0134.0162.0138.0156.0146.0156.0145.0154.0147.0161.0134.0153.0134.034.0
us-gaap:NetIncomeLoss ▇█▇▆▇▅▆▆▆▆▅▆▆▆▄▅▅▅▅▅▅▄▄▄▅▆▁▅▅▅▃▄▄▄▄▂▄▃▃▆▄▄▄▃▅▅▁3511.04120.03385.02717.03196.01698.02239.02173.02201.02429.01531.02112.02437.02668.0643.01781.01757.01930.01666.01597.01582.01134.0908.01018.01807.02394.0-1630.01693.01899.01505.084.0906.0980.0962.0594.0-1023.0591.0-94.0-250.02199.01193.0968.0836.0131.01960.01776.0-1288.0
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▇█▇▆▇▅▆▆▆▆▅▆▆▆▄▅▅▅▅▅▅▄▄▄▅▆▁▅▅▅▃▄▄▄▄▂▄▃▃▆▂▄▄▃▅▅▁3408.03982.03266.02597.03047.01590.02085.02060.02031.02336.01361.02019.02267.02575.0473.01688.01587.01840.01510.01518.01425.01055.0753.0939.01665.02314.0-1749.01629.01820.01449.036.0880.0803.0936.0568.0-1047.0564.0-119.0-275.02153.0-558.0736.0600.0-91.01578.01411.0-1624.0
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▆▃█▇▆▄▆▄▆▅▆▅▃▇▆▆▆█▁▆▇█▅▅▆▃▂▂▇▆▅▇▃▃▄▆▄▆41.0-219.0171.0110.021.0-132.059.0-99.065.0-22.064.0-79.0-192.0117.028.061.012.0150.0-371.043.0131.0186.0-55.0-61.034.0-222.0-316.0-327.086.066.0-27.0125.0-201.0-245.0-167.043.0-151.020.0NANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▃▂▂▃▁█▂▄▄▃▅▂▃▃▃▃▃▃▁▃▄▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃232.0-853.0-1462.0-510.0-2181.05021.0-1239.0455.0431.0-212.01790.0-988.0327.0163.0-535.0-62.0-59.0243.0-1725.0-150.0414.0785.0-238.043.0-197.0-20.0-201.0-444.0253.0143.0-143.0163.0-532.0-270.0-497.0103.0-92.05.0NANANANANANANANANA
us-gaap:PreferredStockDividendsIncomeStatementImpact ▅▆▅▅▇▅▇▅█▄█▄█▄█▄█▄▇▃▇▃▇▃▆▄▅▃▃▂▂▁█▁103.0138.0119.0120.0149.0108.0154.0113.0170.093.0170.093.0170.093.0170.093.0170.090.0156.079.0157.079.0155.079.0142.080.0119.064.079.056.048.026.0177.026.0NANANANANANANANANANANANANA
us-gaap:ProfitLoss ▇█▇▆▇▅▆▆▆▆▅▆▆▆▄▅▅▅▅▅▅▄▄▄▅▆▁▅▅▅▃▄▄▄▄▂▄▃▃▆▅▄▄▄▅▅▁3512.04168.03412.02751.03236.01780.02305.02218.02246.02468.01558.02154.02467.02704.0663.01791.01791.01971.01680.01640.01646.01157.0936.01049.01831.02463.0-1586.01752.01917.01584.0173.01018.01191.01231.0788.0-956.0750.0134.0-184.02293.01406.01130.01066.0641.01984.02011.0-1285.0
us-gaap:RevenuesNetOfInterestExpense ██▇▆▇▅▆▆▆▆▅▆▆▆▅▅▅▅▅▅▅▅▅▅▅▆▅▅▅▅▅▅▅▅▄▄▄▄▄▆▅▅▅▄▅▅▁14759.015719.013640.011657.013414.09487.010857.010032.010244.010286.08548.09872.010610.011077.09500.09197.09503.09745.09021.08909.08909.07792.07738.07767.09743.09907.07764.08907.08608.08996.07830.07932.08503.08158.06966.05289.06953.06935.05709.09892.09282.07635.07807.06780.07963.09072.0-937.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
us-gaap:Assets ██▇▅▅▄▃▄▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▂▁▂▂▂▂1161805.01158772.01115862.0955940.0975363.0947795.0895429.0902604.0891959.0875964.0853531.0865517.0875875.0858495.0851733.0853693.0841016.0832391.0814949.0813891.0828873.0807497.0787465.0834113.0825755.0829099.0801510.0814511.0826568.0831381.0832702.0832223.0802691.0801383.0780960.0764985.0748517.0781030.0749898.0794939.0830747.0836185.0807698.0NANANANA
us-gaap:Liabilities ██▇▅▅▄▄▄▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▃▂▂▂▂▂▃▃▃▂▂▂▁▁▂▁▂▃▃▂1053643.01051184.01012713.0866122.0887354.0860567.0812732.0819054.0809114.0794072.0772125.0785443.0795369.0779006.0773267.0773579.0761049.0753307.0737772.0735429.0750498.0730322.0711281.0757693.0749688.0753633.0729406.0740500.0754367.0761113.0763672.0763982.0736577.0730886.0711223.0695513.0676880.0710438.0679820.0724845.0762604.0769677.0742291.0NANANANA
us-gaap:LiabilitiesAndStockholdersEquity ██▇▅▅▄▃▄▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▂▁▂▂▂▂1161805.01158772.01115862.0955940.0975363.0947795.0895429.0902604.0891959.0875964.0853531.0865517.0875875.0858495.0851733.0853693.0841016.0832391.0814949.0813891.0828873.0807497.0787465.0834113.0825755.0829099.0801510.0814511.0826568.0831381.0832702.0832223.0802691.0801383.0780960.0764985.0748517.0781030.0749898.0794939.0830747.0836185.0807698.0NANANANA
us-gaap:StockholdersEquity ██▇▅▅▅▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▁▁▁106870.0106259.0101781.088394.086645.085860.081549.082382.081724.080724.080246.078703.079109.078034.077391.078978.078826.077924.076050.077149.077116.076010.075182.075287.075038.074162.070900.072918.070755.067071.065921.065128.063181.062704.062109.061799.062841.062324.062049.061828.059707.058186.057211.0NANANANA
us-gaap:TierOneRiskBasedCapital ▇▆█▅▄▂▂▂▂▂▁84612.084059.088079.079905.077398.073896.073443.072937.072742.071910.070619.0NANANA69938.0NANANA68097.067603.0NANA66722.0NANANANANANANA61007.058903.056780.056129.054360.053352.054245.053527.052352.052746.051007.049619.052880.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
us-gaap:CashAndCashEquivalentsAtCarryingValue ▇▆▄▃▄█▁126480.0118118.0105654.094772.0106276.0131509.082171.0NANA80682.087196.092481.081589.087344.080395.048191.044659.042854.043381.042552.056133.053638.054083.053518.046359.040293.046984.055826.040885.055424.059883.057781.047199.042902.046904.036586.042006.038725.047312.053907.050747.052608.047615.033115.036347.035478.078670.0
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▇▆▅▃▅█▁▁▁▁▂▃▁126480.0118118.0105654.094772.0106276.0131509.082171.079656.079580.080682.087196.092481.081589.0NA80395.0NANANA77360.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
us-gaap:Goodwill ██▄▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁16838.016836.011635.07348.07329.07125.07143.07139.07158.06686.06688.06680.06692.06706.06597.06590.06591.06588.06577.06584.06581.06586.06584.06587.06594.06597.06588.06589.06600.06601.06595.06591.06600.06633.06650.06622.06610.06700.06686.06709.06744.06743.06739.0NANANA2256.0
us-gaap:IntangibleAssetsNetExcludingGoodwill ██▄▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▃▃▃▃▃▃▃▃▄▄▄▄8690.08846.04980.01880.01958.02021.02107.02211.02276.02084.02163.02240.02332.02427.02448.02491.02567.02644.02721.02747.02833.02909.02984.03069.03151.03064.03159.03054.03137.03210.03286.03514.03602.03694.03783.03905.03987.04170.04285.04370.04474.04581.04667.0NANANA906.0
us-gaap:FiniteLivedIntangibleAssetsNet NANA4980.0NANANA2107.0NANANA2158.0NANANA2445.0NANANA2718.0NANANA2979.0NANANA3153.0NANA3203.03278.03506.03593.03686.03776.03899.03699.03791.03872.03957.04061.04157.04230.0NANANA722.0
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:StatementBusinessSegments ms:AssetManagementSegmentNANA44.0NANANA52.0NANANA60.0NANANA4.0NANANA11.0NANANA20.0NANANA27.0NANA1.01.01.01.01.01.02.02.02.02.02.02.02.05.0NANANA389.0
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:StatementBusinessSegments ms:GlobalWealthManagementGroupNANA4809.0NANANA1828.0NANANA1828.0NANANA2092.0NANANA2361.0NANANA2632.0NANANA2905.0NANA3148.03221.03343.03429.03517.03600.03682.03482.03561.03641.03721.03801.03882.03963.0NANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:StatementBusinessSegments ms:InstitutionalSecuritiesSegmentNANA127.0NANANA227.0NANANA270.0NANANA349.0NANANA346.0NANANA327.0NANANA221.0NANA54.056.0162.0163.0168.0175.0215.0215.0228.0229.0234.0258.0273.0262.0NANANA333.0
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA787.0NANANA1498.0NANANA1673.0NANANA2574.0NANANA4767.0NANANA5996.0NANANA7206.0NANANA7228.0NANANA7286.0NANANA6911.0NANANA7812.0NANANANA
us-gaap:OperatingLeaseRightOfUseAsset NANA4419.0NANANA3998.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByLiabilityClass,us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueInputsLevel3,ms:CorporateEquities,us-gaap:FairValueMeasurementsRecurringNANA63.0NANANA36.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementFrequency us-gaap:FairValueInputsLevel3,us-gaap:FairValueMeasurementsRecurring█▄▁▆▁█▂▃▃150.0114.086.0135.083.0146.097.0103.098.0NA95.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementFrequency,us-gaap:FinancialInstrument us-gaap:FairValueInputsLevel1,us-gaap:FairValueMeasurementsRecurring,ms:CorporateEquities▆▆▆▅▄▁█▄▄104834.0104223.0111575.0102975.094672.066409.0123942.092191.090741.0NA93626.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementFrequency,us-gaap:FinancialInstrument us-gaap:FairValueInputsLevel12And3,us-gaap:FairValueMeasurementsRecurring,ms:CorporateEquities▆▆▇▅▄▁█▄▄105492.0104664.0112803.0103765.095695.067137.0124691.092753.091302.0NA94243.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementFrequency,us-gaap:FinancialInstrument us-gaap:FairValueInputsLevel2,us-gaap:FairValueMeasurementsRecurring,ms:CorporateEquities▃▁█▄▆▃▄▂▂508.0327.01142.0655.0940.0582.0652.0459.0463.0NA522.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel,us-gaap:FairValueByMeasurementFrequency,us-gaap:FinancialInstrument us-gaap:FairValueInputsLevel3,us-gaap:FairValueMeasurementsRecurring,ms:CorporateEquities█▄▁▆▁█▂▃▃150.0114.086.0135.083.0146.097.0103.098.0NA95.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
us-gaap:TimeDepositMaturitiesYearOne ▁▁█5523.05263.018477.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
us-gaap:LongTermDebt █▇▇▆▆▅▅▅▆▅▅▅▅▅▅▅▅▃▃▂▂▂▁▂▂▂▁▁▁▁▁▂▂▃▃▃▃▄▅▅▆▆▅218604.0208267.0213388.0198891.0202238.0192645.0190060.0192362.0196072.0189193.0188117.0189949.0189915.0193708.0191063.0191677.0184112.0172688.0164775.0163927.0163492.0162804.0153768.0160343.0158089.0155545.0152772.0152357.0149483.0153374.0153575.0157805.0161098.0165142.0169571.0168444.0167828.0176723.0184234.0189093.0196106.0196136.0192457.0NANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA793.0NANANA703.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA740.0NANANA646.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA639.0NANANA593.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA532.0NANANA524.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA2685.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
us-gaap:StockholdersEquity ██▇▅▅▅▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▁▁▁106870.0106259.0101781.088394.086645.085860.081549.082382.081724.080724.080246.078703.079109.078034.077391.078978.078826.077924.076050.077149.077116.076010.075182.075287.075038.074162.070900.072918.070755.067071.065921.065128.063181.062704.062109.061799.062841.062324.062049.061828.059707.058186.057211.0NANANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ██▇▆▆▆▅▅▅▅▅▅▅▅▄▅▅▅▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▄▄▃▃▃▃▃▃▂▂▁108162.0107588.0103149.089818.088009.087228.082697.083550.082845.081892.081406.080074.080506.079489.078466.080114.079967.079084.077177.078462.078375.077175.076184.076420.076067.075466.072104.074011.072201.070268.069030.068241.066114.066072.065428.065170.071637.070592.070078.070094.068143.066508.065407.065582.059159.055179.049456.0
us-gaap:CommonStockValue █████████████████████████████████████████▁▁20.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.020.016.016.0NANANANA
us-gaap:AdditionalPaidInCapital ██▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▁▂28030.027406.025546.024015.023782.023428.023935.023649.023446.023178.023794.023664.023454.023260.023545.023389.023140.022880.023271.022995.022697.022526.024153.023876.023655.023355.024249.023922.023608.023364.024570.024235.023933.023661.023426.023202.023151.022930.022836.022501.022346.012185.013521.0NANANANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▆▆▆▆▅▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁84791.082034.078694.076061.074015.071518.070589.069071.067588.066061.064175.063330.061835.060009.057577.057554.056325.055109.053679.052545.051410.050272.049204.048746.048106.046740.044625.046573.045145.043522.042172.042237.041455.040750.039912.039441.040586.040118.040341.040710.038637.039269.038603.0NANANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▁▂▄▅█▁▃▂▁▂-2523.0-2754.0-1962.0-537.01.02095.0-2788.0-1598.0-2051.0-2473.0-2292.0NANANA-3060.0NANA-2450.0-2643.0-1070.0-905.0-1238.0-1656.0-1419.0-1447.0-1266.0-1248.0-1115.0-733.0-968.0-1093.0-1014.0-1169.0-694.0-516.0-146.0-220.0-60.0-157.0-413.0-320.0-426.0-467.0NANANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities srt:ParentCompanyNANA-1962.0NANANA-2788.0NANANA-2292.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:TreasuryStockValue ▅▃▄████▇▆▆▆▅▅▄▄▃▃▃▂▂▂▁▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂11198.08197.09767.019685.019693.019721.018727.017280.015799.014582.013971.012832.011650.010369.09211.07961.06691.06155.05797.04861.03626.03090.04059.03456.02816.02207.02766.02502.02305.02087.02968.02720.02566.02541.02241.02226.02204.02192.02499.02498.02484.02455.04059.0NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅█▁▃▂█▄▆▆▇▃▆▃▆▅▅▂▄▄4615.026879.0-25390.0-6867.0-16810.023836.0-136.013337.010531.017041.0-7179.014565.0-12729.012648.01608.08046.0-14249.090.0-2482.0NANANANANANANANANANANANANANA4600.01776.06906.08435.07431.03046.08812.0-3852.0-1322.021055.0-10141.08292.021101.0-14165.0
us-gaap:NetCashProvidedByUsedInInvestingActivities █▁▇▆▄▁▅▅▄▅▅▆▆▅▆▄█▆▆3117.0-22561.0-460.0-3820.0-12510.0-21108.0-7840.0-7899.0-10595.0-7227.0-8815.0-4763.0-2381.0-6922.0-3563.0-11523.04863.0-2168.0-4520.0NANANANANANANANANANANANA-7386.0-3359.0-3244.0-2054.0-10481.02817.0-2696.0-3789.0-3135.02343.02545.0-5033.0-4510.0-802.0-18812.0-107.0
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▄▇▂▃█▄▂▃▁▄▃▄▃▃▄▃▃▄485.09564.034859.0-2674.03645.047954.09214.0-3919.0-1397.0-15864.010843.01536.011463.0363.0-1272.010168.04643.02722.012825.0NANANANANANANANANANANANA19198.0-6227.0-4162.010712.0-2070.0-7658.0-12881.0-5547.0-2349.0-68.02816.0-1417.010080.0-6078.01578.012774.0
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▄▅▄▂▁█▄▃▃▃▃▄8362.012464.010882.0-11504.0-25233.049338.02515.076.0-1102.0-6514.0-5285.010892.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
us-gaap:IncreaseDecreaseInAccountsPayable ▆▆█▅▆▅▅▇▆▇▃▄▇▆▅▆▇▅▅▅▇▆▅▇▄▇▆▆▆█▆▇▆▇▄▆▅▇▁▇▇▆▅▆▅▆▇6647.03270.016005.0-4813.03242.0-4247.0-2779.011199.01551.09971.0-13373.0-8743.07924.01129.0-6189.02464.09151.0-3419.0-1995.0-6109.07754.02153.0-5978.011833.0-9534.08052.04636.01363.05068.016904.05197.08222.06302.06976.0-11090.04489.0-5797.011115.0-29464.09043.012108.01350.0-1734.01623.0-4622.05494.011481.0
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅█▁▃▂█▄▆▆▇▃▆▃▆▅▅▂▄▄4615.026879.0-25390.0-6867.0-16810.023836.0-136.013337.010531.017041.0-7179.014565.0-12729.012648.01608.08046.0-14249.090.0-2482.0NANANANANANANANANANANANANANA4600.01776.06906.08435.07431.03046.08812.0-3852.0-1322.021055.0-10141.08292.021101.0-14165.0
us-gaap:NetIncomeLoss ▇█▇▆▇▅▆▆▆▆▅▆▆▆▄▅▅▅▅▅▅▄▄▄▅▆▁▅▅▅▃▄▄▄▄▂▄▃▃▆▄▄▄▃▅▅▁3511.04120.03385.02717.03196.01698.02239.02173.02201.02429.01531.02112.02437.02668.0643.01781.01757.01930.01666.01597.01582.01134.0908.01018.01807.02394.0-1630.01693.01899.01505.084.0906.0980.0962.0594.0-1023.0591.0-94.0-250.02199.01193.0968.0836.0131.01960.01776.0-1288.0
us-gaap:ProfitLoss ▇█▇▆▇▅▆▆▆▆▅▆▆▆▄▅▅▅▅▅▅▄▄▄▅▆▁▅▅▅▃▄▄▄▄▂▄▃▃▆▅▄▄▄▅▅▁3512.04168.03412.02751.03236.01780.02305.02218.02246.02468.01558.02154.02467.02704.0663.01791.01791.01971.01680.01640.01646.01157.0936.01049.01831.02463.0-1586.01752.01917.01584.0173.01018.01191.01231.0788.0-956.0750.0134.0-184.02293.01406.01130.01066.0641.01984.02011.0-1285.0
us-gaap:ShareBasedCompensation █▇▇▄▅▃▅▄▄▄▃▄▃▅▄▄▄▄▅▄▄▄▄▄▅▄▅▄▅▅▅▄▄▄▁▄▄▅▄▄▅▅▄▅▄▅▂618.0518.0510.0254.0394.0154.0328.0233.0299.0293.0177.0217.0205.0321.0251.0257.0249.0269.0342.0302.0275.0217.0268.0225.0316.0295.0327.0304.0318.0311.0330.0291.0294.0265.0-7.0280.0246.0372.0294.0278.0388.0340.0283.0306.0301.0370.077.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
us-gaap:NetCashProvidedByUsedInInvestingActivities █▁▇▆▄▁▅▅▄▅▅▆▆▅▆▄█▆▆3117.0-22561.0-460.0-3820.0-12510.0-21108.0-7840.0-7899.0-10595.0-7227.0-8815.0-4763.0-2381.0-6922.0-3563.0-11523.04863.0-2168.0-4520.0NANANANANANANANANANANANA-7386.0-3359.0-3244.0-2054.0-10481.02817.0-2696.0-3789.0-3135.02343.02545.0-5033.0-4510.0-802.0-18812.0-107.0
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▄▇▂▃█▄▂▃▁▄▃▄▃▃▄▃▃▄485.09564.034859.0-2674.03645.047954.09214.0-3919.0-1397.0-15864.010843.01536.011463.0363.0-1272.010168.04643.02722.012825.0NANANANANANANANANANANANA19198.0-6227.0-4162.010712.0-2070.0-7658.0-12881.0-5547.0-2349.0-68.02816.0-1417.010080.0-6078.01578.012774.0
us-gaap:PaymentsOfDividends ███▇▇▇▆▇█▇▆▇▅▆▅▆▅▅▅▅▄▅▄▄▄▃▃▃▂▁▁▁▁▁▁▁▁▁▁▁▃▃▃▃▃▃746.0755.0731.0680.0640.0688.0545.0670.0749.0663.0587.0673.0516.0599.0523.0608.0443.0511.0435.0520.0355.0436.0359.0423.0363.0310.0252.0265.0244.0143.0117.0119.0120.0119.0120.0119.0118.0112.0120.0120.0292.0302.0289.0285.0289.0293.0NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31

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
Value2020202020202020202020202020202020202020202020202020202020202020202020202020202020161615
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1810157615751593162316581685169917251749177317881812183918511852187619171938192019380.01971195019581964197119441953195919601974197519771978192619271929154515121360
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312008-12-31
Value184118181566155715731627165516771727174817711818183018421879189919141949196019621970196919691964195119401889191118761868146414721443174816261002
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312008-12-31
Value181417951542154115551604163416581697172017401776179118011838186618831904191919241922192819241909190719011889188518761848146414561377131713141002
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-312008-12-31
Value1.08.0120.00.06.01.01.01.00.00.00.0141415121212151629364042131771489495397421115236663
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.00.00.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-312008-12-31
Value1.882.221.841.681.981.021.331.281.241.410.811.191.321.480.270.950.891.020.840.830.760.560.40.490.871.2-0.910.850.940.750.020.460.420.490.3-0.550.3-0.06-0.151.16-0.380.510.42-0.071.21.070.290.39-1.1-0.57-1.62
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-312008-12-31
Value1.852.191.811.661.961.011.31.271.231.390.81.171.31.450.260.930.871.00.810.810.750.550.390.480.851.18-0.910.830.920.740.020.450.410.480.29-0.550.29-0.06-0.151.15-0.380.50.41-0.071.090.990.290.38-1.1-0.57-1.62
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Tier One Risk Based Capital To Risk Weighted Assets

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets


Tier
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312016-09-302015-12-312013-12-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value18.318.519.419.00.1810.1730.1860.1850.1860.190.1920.1890.190.1890.1740.1570.1530.1770.1690.1720.1680.1660.1520.1670.1650.1610.153
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets dei:LegalEntity

ms:MorganStanleyBankNationalAssociation


Tier
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312016-09-302015-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value19.819.518.719.70.1890.1820.1850.1990.1960.1990.1950.2050.1690.1570.1510.1430.1450.1370.1360.1490.1470.1450.1490.1510.157
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets108.2105.496.4103.7104.4105.299.5107.6105.4104.7101.6108.588.983.186.891.194.80.00.084.287.084.388.791.097.5

ms:MorganStanleyPrivateBankNationalAssociation


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
Value25.122.821.323.40.2190.2290.2480.2730.2740.2640.2520.244
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets137.2123.2109.8123.2121.0132.4133.3147.6147.3138.9131.2129.1

Capital To Risk Weighted Assets

us-gaap:CapitalToRiskWeightedAssets

us-gaap:CapitalToRiskWeightedAssets


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312016-09-302015-12-312013-12-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value20.020.421.521.40.2040.1960.210.2090.210.2160.2180.2170.220.220.2070.1690.1610.1850.170.1840.1810.1780.1640.1830.1840.1650.164
Percentage of CapitalToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalToRiskWeightedAssets dei:LegalEntity

ms:MorganStanleyBankNationalAssociation


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312016-09-302015-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value20.520.219.420.40.1960.1870.1890.2030.20.2020.1980.2080.1870.1750.1710.1650.1670.1580.1580.1720.1710.1690.1740.1780.186
Percentage of CapitalToRiskWeightedAssets102.599.090.295.396.195.490.097.195.293.590.895.985.079.582.697.6103.70.00.093.0100.691.896.1100.0112.7

ms:MorganStanleyPrivateBankNationalAssociation


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
Value25.223.021.523.60.2220.230.250.2750.2760.2660.2540.246
Percentage of CapitalToRiskWeightedAssets126.0112.7100.0110.3108.8117.3119.0131.6131.4123.1116.5113.4

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
Value3742332819602179110265811049262626232248323811832773275912717251719212393143219151864671104616262376-1763.01311213416305.01061505784223-948.04313.06.021061299100948536921651777-1583.0
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating169.2136.687.3106.046.7187.926.560.458.252.478.832.684.296.54.973.781.6108.05.082.6114.9106.744.372.1117.3160.1-122.894.7170.7121.40.580.935.556.115.1-68.732.60.20.4120.466.454.424.919.9123.9102.4-145.4

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
Value37443315195022411055680110662673267722563348116627942867128172917322214-45.0149020601942698109216342443-1787.0130821701727301181659961291-853.06581397022631555113774597022332000-1580.0
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating169.3136.086.9109.044.7194.127.061.459.452.681.432.184.8100.24.973.982.2112.7-2.485.9123.6111.246.175.3117.9164.6-124.494.5173.6128.62.890.146.368.719.6-61.949.79.04.1129.479.561.338.352.4127.8115.2-145.1

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value45665344443034874355214627332710290329551857285131093420247124822642280822462381248317381439147427272855-2931.0222019332307-217.0133917751582859-1480.0940203-457.036911976904119182217252493
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating206.4219.3197.3169.6184.761.369.262.364.468.945.278.694.4119.695.6106.1125.5142.9120.2137.3149.099.595.0101.6196.8192.4-204.1160.4154.6171.8-20.1102.1124.8113.258.0-107.371.113.2-26.8211.0101.048.861.344.498.7143.6

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value2.03.04.04.04.0-2.0-2.00.0-2.0-2.0-7.0-1.00.00.06.0-4.00.02.01.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest0.00.10.10.10.1-0.1-0.10.0-0.1-0.1-0.4-0.00.00.00.2-0.20.00.10.00.00.00.00.00.00.00.0-0.00.00.00.0-0.00.0
Percentage of InterestAndDividendIncomeOperating0.10.10.20.20.2-0.1-0.10.0-0.0-0.0-0.2-0.00.00.00.2-0.20.00.10.10.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating us-gaap:IntersegmentElimination-5.4-11.10.0-3.9-2.51.70.0-0.01.51.10.00.4-0.0-0.00.01.7-0.0-0.80.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ms:InstitutionalSecuritiesSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value24983371316020482993950112513071463159578015561812
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest54.763.171.358.768.744.341.248.250.454.042.054.658.3
Percentage of InterestAndDividendIncomeOperating112.9138.3140.899.6126.927.128.530.032.537.219.042.955.0
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:InstitutionalSecuritiesSegment286.1347.50.0188.6230.239.20.042.044.552.20.064.282.6

us-gaap:OperatingSegments, ms:InvestmentManagementSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value43037019631521614344716519917474102140
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest9.46.94.49.05.06.716.46.16.95.94.03.64.5
Percentage of InterestAndDividendIncomeOperating19.415.28.715.39.24.111.33.84.44.11.82.84.3
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:InvestmentManagementSegment4300.04625.00.04500.03085.71787.50.04125.03316.74350.00.0536.8823.5

us-gaap:OperatingSegments, ms:WealthManagementSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1636160010701120114210551163123812431188101011941157
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest35.829.924.232.126.249.242.645.742.840.254.441.937.2
Percentage of InterestAndDividendIncomeOperating74.065.747.754.548.430.129.428.527.627.724.632.935.1
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:WealthManagementSegment119.8107.70.0105.294.488.40.089.892.284.10.084.687.7

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-312008-12-31
Value10541176101873611193664284926574873006966407141810697846815566749833578496423894387-1353.046315762-401.03395553328.0-524.022654-296.01410542-256.086-23.024043640521-318.0-584.0-725.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating47.648.345.335.847.510.410.811.314.611.47.319.219.425.070.029.840.241.530.343.250.033.132.829.264.526.1-94.233.51.256.7-37.225.939.023.70.5-38.017.13.5-17.480.627.7-13.84.4-1.213.725.10.00.00.00.0-66.6

us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value0.01.01.01.01.0-1.0-1.00.0-1.00.0-2.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of IncomeTaxExpenseBenefit0.00.10.10.10.1-0.3-0.20.0-0.20.0-0.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.00.00.00.0-0.00.0
Percentage of InterestAndDividendIncomeOperating0.00.00.00.00.0-0.0-0.00.0-0.00.0-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating us-gaap:IntersegmentElimination-0.0-3.70.0-1.0-0.60.80.0-0.00.7-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0

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

us-gaap:OperatingSegments, ms:InstitutionalSecuritiesSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value5747367143857901516618932419061397323
Percentage of IncomeTaxExpenseBenefit54.562.670.152.370.641.315.438.449.339.020.357.050.5
Percentage of InterestAndDividendIncomeOperating25.930.231.818.733.54.31.74.37.24.41.510.99.8
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:InstitutionalSecuritiesSegment65.875.90.035.560.86.20.06.19.96.20.016.414.7

us-gaap:OperatingSegments, ms:InvestmentManagementSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1088135723925892744330.01836
Percentage of IncomeTaxExpenseBenefit10.26.93.49.83.56.820.85.56.76.80.02.65.6
Percentage of InterestAndDividendIncomeOperating4.93.31.63.51.70.72.30.61.00.80.00.51.1
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:InvestmentManagementSegment1080.01012.50.01028.6557.1312.50.0675.0733.3825.00.094.7211.8

us-gaap:OperatingSegments, ms:WealthManagementSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value372358268278289191274276290264241281281
Percentage of IncomeTaxExpenseBenefit35.330.426.337.825.852.264.056.144.154.280.340.443.9
Percentage of InterestAndDividendIncomeOperating16.814.711.913.512.35.56.96.36.46.25.97.78.5
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:WealthManagementSegment27.224.10.026.123.916.00.020.021.518.70.019.921.3

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312008-12-31
Value16943399169963373423054888702453682195402504232354702623271642181221361992231192.0
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating76.613.940.848.414.39.87.711.219.35.79.06.016.48.716.410.022.313.317.59.513.17.09.013.716.18.00.2

Interest And Fee Income Loans And Leases

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestAndFeeIncomeLoansAndLeases


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value1040988971967105011541184120811961195115210851074938899853798748698698680647590560529474470474358355331299
Percentage of InterestAndFeeIncomeLoansAndLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating47.040.543.347.044.532.930.027.826.527.928.029.932.632.834.836.537.938.137.440.340.837.039.038.638.231.932.734.228.626.430.722.8

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
Value347409374570758214725193132347732763122269123881885159115571355119498573175484847768968888883382798310358001200121812131303153614841601141616092029185316921748160613681140
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating15.716.816.727.732.161.363.772.077.276.475.974.272.565.961.566.564.360.852.742.245.248.531.547.549.659.858.059.878.677.174.291.585.786.888.0111.4112.2103.883.192.0103.799.987.094.491.978.8104.7

us-gaap:InterestExpense us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-39.0-30.0-53.0-106.0-164.0-125.0-124.0-148.0-141.0-187.0-245.0-229.0-240.0-226.0-247.0-238.0-252.0-242.0-213.0-226.0-222.0-221.0-68.0-151.0-119.0-124.0-124.0-127.0-128.0-119.0-118.0-123.0
Percentage of InterestExpense-11.2-7.3-14.2-18.6-21.6-5.8-4.9-4.7-4.1-5.7-7.8-8.5-10.1-12.0-15.5-15.3-18.6-20.3-21.6-30.9-29.4-26.1-14.3-21.9-17.3-14.0-14.9-15.4-13.0-11.5-14.8-10.2
Percentage of InterestAndDividendIncomeOperating-1.8-1.2-2.4-5.2-7.0-3.6-3.1-3.4-3.1-4.4-6.0-6.3-7.3-7.9-9.6-10.2-12.0-12.3-11.4-13.0-13.3-12.7-4.5-10.4-8.6-8.4-8.6-9.2-10.2-8.9-10.9-9.4
Percentage of InterestAndDividendIncomeOperating us-gaap:IntersegmentElimination105.4111.10.0103.9103.1103.30.0102.8102.9102.20.0100.0100.8100.40.0100.4100.0101.30.0100.0100.0100.00.0100.0100.0100.00.0102.4102.499.20.0102.5

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

us-gaap:OperatingSegments, ms:InstitutionalSecuritiesSegment


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
Value26333233549273119612337293332713172296825692341
Percentage of InterestExpense75.881.289.686.396.491.392.893.694.196.895.195.598.0
Percentage of InterestAndDividendIncomeOperating11.913.614.923.931.056.059.167.472.673.972.270.871.1
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:InstitutionalSecuritiesSegment30.134.20.045.356.280.90.094.299.5103.80.0105.9106.7

us-gaap:OperatingSegments, ms:InvestmentManagementSegment


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
Value126.0-4.08.011141112158.08.09.010.0
Percentage of InterestExpense3.51.5-1.11.41.50.70.40.40.40.20.30.30.4
Percentage of InterestAndDividendIncomeOperating0.50.2-0.20.40.50.40.30.30.30.20.20.20.3
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:InvestmentManagementSegment120.075.00.0114.3157.1175.00.0300.0250.0200.00.047.458.8

us-gaap:OperatingSegments, ms:WealthManagementSegment


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
Value11110196176180297295335332283391342277
Percentage of InterestExpense32.024.725.730.923.713.811.710.79.58.612.512.711.6
Percentage of InterestAndDividendIncomeOperating5.04.14.38.67.68.57.57.77.46.69.59.48.4
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:WealthManagementSegment8.16.80.016.514.924.90.024.324.620.00.024.221.0

Interest Income Expense Net

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-312008-12-31
Value186520281871148616001356143312181029101498993690697599578375177188310039138991037762698596603557267308282111204185175-157.0-161.0-59.0270140-72.01.0252103141368561496-216.0-69.0-51.0
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating84.383.283.372.367.938.736.328.022.823.624.125.827.534.138.533.535.739.247.357.854.851.568.552.550.440.242.040.221.422.926.28.514.313.211.8-11.4-12.2-3.815.88.0-3.70.113.05.68.121.20.00.00.00.0-4.7

us-gaap:InterestIncomeExpenseNet us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value2.03.03.04.05.04.06.04.04.04.03.00.02.01.00.01.00.03.00.00.00.00.00.00.00.00.0-1.03.03.0-1.03.03.0
Percentage of InterestIncomeExpenseNet0.10.10.20.30.30.30.40.30.40.40.30.00.20.10.00.10.00.40.00.00.00.00.00.00.00.0-0.20.51.1-0.31.12.7
Percentage of InterestAndDividendIncomeOperating0.10.10.10.20.20.10.20.10.10.10.10.00.10.00.00.00.00.20.00.00.00.00.00.00.00.0-0.10.20.2-0.10.30.2
Percentage of InterestAndDividendIncomeOperating us-gaap:IntersegmentElimination-5.4-11.10.0-3.9-3.1-3.30.0-2.8-2.9-2.20.0-0.0-0.8-0.40.0-0.4-0.0-1.30.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-2.4-2.40.80.0-2.5

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

us-gaap:OperatingSegments, ms:InstitutionalSecuritiesSegment


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
Value61063866559456946239917918-116.0-121.0-144.0-146.0
Percentage of InterestIncomeExpenseNet32.731.535.540.035.634.127.814.71.7-11.4-12.2-15.4-16.1
Percentage of InterestAndDividendIncomeOperating27.626.229.628.924.113.210.14.10.4-2.7-2.9-4.0-4.4
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:InstitutionalSecuritiesSegment69.965.80.054.743.819.10.05.80.5-3.80.0-5.9-6.7

us-gaap:OperatingSegments, ms:InvestmentManagementSegment


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
Value-2.02.0-4.0-1.0-4.0-6.0-5.0-8.0-9.0-4.01210.07.0
Percentage of InterestIncomeExpenseNet-0.10.1-0.2-0.1-0.2-0.4-0.3-0.7-0.9-0.41.21.10.8
Percentage of InterestAndDividendIncomeOperating-0.10.1-0.2-0.0-0.2-0.2-0.1-0.2-0.2-0.10.30.30.2
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:InvestmentManagementSegment-20.025.00.0-14.3-57.1-75.00.0-200.0-150.0-100.00.052.641.2

us-gaap:OperatingSegments, ms:WealthManagementSegment


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
Value12551385120788910308961033104310161130109510701043
Percentage of InterestIncomeExpenseNet67.368.364.559.864.466.172.185.698.7111.4110.7114.3115.1
Percentage of InterestAndDividendIncomeOperating56.756.853.843.243.725.626.124.022.526.326.629.531.7
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:WealthManagementSegment91.993.20.083.585.175.10.075.775.480.00.075.879.0

Interest Income Operating

us-gaap:InterestIncomeOperating

us-gaap:InterestIncomeOperating


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value608849679529629445612579509475463440417424391313304326380289
Percentage of InterestIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating27.534.830.225.726.712.715.513.311.311.111.312.112.714.815.113.414.416.620.316.7

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value29558637310056192123275134493415289631592884252714071955150011857371050
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating13.324.016.648.926.360.669.679.375.867.576.879.576.749.275.664.156.337.556.2

Marketing And Advertising Expense

us-gaap:MarketingAndAdvertisingExpense

us-gaap:MarketingAndAdvertisingExpense


Marketing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
Value146146161786313220015716214122015217914019012815513616913015413419415817915018616016514719015116313416213815614615614515414716113415313434
Percentage of MarketingAndAdvertisingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating6.66.07.23.82.73.85.13.63.63.35.44.25.44.97.35.57.46.99.07.59.27.712.810.912.910.113.011.613.210.917.611.511.59.610.910.011.89.59.28.37.97.98.37.28.87.73.1

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-312008-12-31
Value351141203385271731961698223921732201242915312112243726686431781175719301666159715821134908101818072394-1630.016931899150584906980962594-1023.0591-94.0-250.02199119396883613119601776617757149-177.0-1288.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating158.7169.1150.8132.1135.548.556.750.048.856.637.258.274.093.324.976.183.498.289.292.194.964.960.070.2130.4161.3-113.5122.3151.9112.17.869.168.968.840.1-74.244.7-6.1-14.7125.761.052.243.07.1112.2102.30.00.00.00.0-118.3

us-gaap:NetIncomeLoss us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value2.02.03.03.03.0-1.0-1.00.0-1.0-2.0-5.0-1.00.00.06.0-4.00.02.01.00.00.00.00.00.00.00.00.00.00.00.00.012
Percentage of NetIncomeLoss0.10.00.10.10.1-0.1-0.00.0-0.0-0.1-0.3-0.00.00.00.9-0.20.00.10.10.00.00.00.00.00.00.0-0.00.00.00.00.01.3
Percentage of InterestAndDividendIncomeOperating0.10.10.10.10.1-0.0-0.00.0-0.0-0.0-0.1-0.00.00.00.2-0.20.00.10.10.00.00.00.00.00.00.00.00.00.00.00.00.9
Percentage of InterestAndDividendIncomeOperating us-gaap:IntersegmentElimination-5.4-7.40.0-2.9-1.90.80.0-0.00.71.10.00.4-0.0-0.00.01.7-0.0-0.80.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-10.0

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

us-gaap:OperatingSegments, ms:InstitutionalSecuritiesSegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value19042601242216472186757103410731121137170211201457
Percentage of NetIncomeLoss54.263.171.660.668.444.646.249.450.956.445.953.059.8
Percentage of InterestAndDividendIncomeOperating86.1106.7107.980.192.721.626.224.724.932.017.130.944.2
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:InstitutionalSecuritiesSegment218.1268.10.0151.7168.231.20.034.534.144.90.046.266.4

us-gaap:OperatingSegments, ms:InvestmentManagementSegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value341275158225154783171381281366580104
Percentage of NetIncomeLoss9.76.74.78.34.84.614.26.45.85.64.23.84.3
Percentage of InterestAndDividendIncomeOperating15.411.37.010.96.52.28.03.22.83.21.62.23.2
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:InvestmentManagementSegment3410.03437.50.03214.32200.0975.00.03450.02133.33400.00.0421.1611.8

us-gaap:OperatingSegments, ms:WealthManagementSegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value12641242802842853864889962953924769913876
Percentage of NetIncomeLoss36.030.123.731.026.750.939.744.343.338.050.243.235.9
Percentage of InterestAndDividendIncomeOperating57.151.035.741.036.224.722.522.121.121.518.725.226.6
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:WealthManagementSegment92.583.60.079.170.572.40.069.870.765.40.064.766.4

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value351141203385271731961698223921732201242915312112243726686431781175719301666159715821134908101818072394-1630.016931899150584906980962594-1023.0591-94.0-250.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating158.7169.1150.8132.1135.548.556.750.048.856.637.258.274.093.324.976.183.498.289.292.194.964.960.070.2130.4161.3-113.5122.3151.9112.17.869.168.968.840.1-74.244.7-6.1-14.7
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-312008-12-31
Value34083982326625973047159020852060203123361361201922672575473168815871840151015181425105575393916652314-1749.016291820144936880803936568-1047.0564-119.0-275.02153-558.0736600-91.015781411376498-1256.0-578.0-1624.0
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating154.1163.4145.5126.3129.245.452.847.445.154.533.155.768.890.018.372.175.493.680.887.585.560.449.764.7120.1155.9-121.8117.7145.6107.93.367.156.567.038.4-75.942.6-7.7-16.1123.1-28.539.730.9-4.990.381.30.00.00.00.0-149.1

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
Value41-219.017111021-132.059-99.065-22.064-79.0-192.0117286112150-371.043131186-55.0-61.034-222.0-316.0-327.08666-27.0125-201.0-245.0-167.043-151.020
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 InterestAndDividendIncomeOperating1.9-9.07.65.40.9-3.81.5-2.31.4-0.51.6-2.2-5.84.11.12.60.67.6-19.92.57.910.6-3.6-4.22.5-15.0-22.0-23.66.94.9-2.59.5-14.1-17.5-11.33.1-11.41.3

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value232-853.0-1462.0-510.0-2181.05021-1239.0455431-212.01790-988.0327163-535.0-62.0-59.0243-1725.0-150.0414785-238.043-197.0-20.0-201.0-444.0253143-143.0163-532.0-270.0-497.0103-92.05.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating10.5-35.0-65.1-24.8-92.5143.3-31.410.59.6-4.943.5-27.29.95.7-20.7-2.6-2.812.4-92.3-8.724.844.9-15.73.0-14.2-1.3-14.0-32.120.210.6-13.312.4-37.4-19.3-33.67.5-7.00.3

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

ms:AOCIDebtValuationAdjustmentIncludingNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value186137-1772.0-563.0-2496.03803-1110.0337-246.0-620.01170-743.0639
Percentage of OtherComprehensiveIncomeLossNetOfTax80.2-16.1121.2110.4114.475.789.674.1-57.1292.565.475.2195.4
Percentage of InterestAndDividendIncomeOperating8.45.6-78.9-27.4-105.9108.6-28.17.7-5.5-14.528.5-20.519.4
Percentage of InterestAndDividendIncomeOperating ms:AOCIDebtValuationAdjustmentIncludingNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.0

ms:AOCIDebtValuationAdjustmentNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1.017-67.0-1.0-87.0129-44.05.0-20.0-21.048-34.034
Percentage of OtherComprehensiveIncomeLossNetOfTax0.4-2.04.60.24.02.63.61.1-4.69.92.73.410.4
Percentage of InterestAndDividendIncomeOperating0.00.7-3.0-0.0-3.73.7-1.10.1-0.4-0.51.2-0.91.0
Percentage of InterestAndDividendIncomeOperating ms:AOCIDebtValuationAdjustmentNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.0

ms:AOCIDebtValuationAdjustmentParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value185120-1705.0-562.0-2409.03674-1066.0332-226.0-599.01122-709.0605
Percentage of OtherComprehensiveIncomeLossNetOfTax79.7-14.1116.6110.2110.573.286.073.0-52.4282.562.771.8185.0
Percentage of InterestAndDividendIncomeOperating8.44.9-75.9-27.3-102.2104.9-27.07.6-5.0-14.027.3-19.518.4
Percentage of InterestAndDividendIncomeOperating ms:AOCIDebtValuationAdjustmentParent0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-06-302017-03-312016-06-302016-03-31
Value125.01175.0-1.025-73.03.03.01.01215.06.04.00.0-5.01.0
Percentage of OtherComprehensiveIncomeLossNetOfTax5.2-0.6-8.0-1.00.00.55.90.70.7-0.56.8-0.51.8-6.80.0-1.20.1
Percentage of InterestAndDividendIncomeOperating0.50.25.20.2-0.00.7-1.80.10.10.02.90.10.20.20.0-0.30.1
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value125.01175.0-1.025-73.03.03.01.01215.06.0
Percentage of OtherComprehensiveIncomeLossNetOfTax5.2-0.6-8.0-1.00.00.55.90.70.7-0.56.8-0.51.8
Percentage of InterestAndDividendIncomeOperating0.50.25.20.2-0.00.7-1.80.10.10.02.90.10.2
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedForeignCurrencyAdjustmentAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.0-78.030290.09.0-5.0-3.029-10.035-25.0-43.0
Percentage of OtherComprehensiveIncomeLossNetOfTax0.09.1-2.1-5.7-0.00.20.4-0.76.74.72.02.5-13.1
Percentage of InterestAndDividendIncomeOperating0.0-3.21.31.40.00.3-0.1-0.10.6-0.20.9-0.7-1.3
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedForeignCurrencyAdjustmentAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value41-219.017111021-132.059-99.065-22.064-79.0-192.0
Percentage of OtherComprehensiveIncomeLossNetOfTax17.725.7-11.7-21.6-1.0-2.6-4.8-21.815.110.43.68.0-58.7
Percentage of InterestAndDividendIncomeOperating1.9-9.07.65.40.9-3.81.5-2.31.4-0.51.6-2.2-5.8
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedForeignCurrencyAdjustmentIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-7.0-776.022-62.02951325-115.0214609429435-171.0-126.0
Percentage of OtherComprehensiveIncomeLossNetOfTax-3.091.0-1.512.2-13.526.49.347.0141.3-202.424.317.3-38.5
Percentage of InterestAndDividendIncomeOperating-0.3-31.81.0-3.012.537.8-2.94.913.510.010.6-4.7-3.8
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedNetInvestmentGainLossIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-06-302017-03-312016-06-302016-03-31
Value-7.0-776.022-62.02951325-115.0214609429435-171.0-126.010884143395
Percentage of OtherComprehensiveIncomeLossNetOfTax-3.091.0-1.512.2-13.526.49.347.0141.3-202.424.317.3-38.5-183.134.634.550.3
Percentage of InterestAndDividendIncomeOperating-0.3-31.81.0-3.012.537.8-2.94.913.510.010.6-4.7-3.85.14.38.622.6
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value231-792.0-1425.0-538.0-2094.04883-1190.0453422-181.01707-929.033691-516.0-56.0-38.0193-1573.0-165.0333730
Percentage of OtherComprehensiveIncomeLossNetOfTax99.692.897.5105.596.097.396.099.697.985.495.494.0102.855.896.490.364.479.491.2110.080.493.0
Percentage of InterestAndDividendIncomeOperating10.4-32.5-63.5-26.2-88.8139.4-30.110.49.4-4.241.5-25.610.23.2-20.0-2.4-1.89.8-84.2-9.520.041.8
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-06-302017-03-312016-06-302016-03-31
Value41-141.01418121-141.064-96.036-12.029-54.0-149.02310752132
Percentage of OtherComprehensiveIncomeLossNetOfTax17.716.5-9.6-15.9-1.0-2.8-5.2-21.18.45.71.65.5-45.6-39.044.012.616.8
Percentage of InterestAndDividendIncomeOperating1.9-5.86.33.90.9-4.01.6-2.20.8-0.30.7-1.5-4.51.15.43.17.6
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1.0-61.0-37.028-87.0138-49.02.09.0-31.083-59.0-9.072-19.0-6.0-21.050-152.0
Percentage of OtherComprehensiveIncomeLossNetOfTax0.47.22.5-5.54.02.74.00.42.114.64.66.0-2.844.23.69.735.620.68.8
Percentage of InterestAndDividendIncomeOperating0.0-2.5-1.61.4-3.73.9-1.20.00.2-0.72.0-1.6-0.32.5-0.7-0.3-1.02.5-8.1
Percentage of InterestAndDividendIncomeOperating us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Preferred Stock Dividends Income Statement Impact

us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:PreferredStockDividendsIncomeStatementImpact


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value103138119120149108154113170931709317093170931709015679157791557914280119647956482617726
Percentage of PreferredStockDividendsIncomeStatementImpact100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating4.75.75.35.86.33.13.92.63.82.24.12.65.23.36.64.08.14.68.44.69.44.510.25.410.25.48.34.66.34.24.52.012.41.9

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-312008-12-31
Value351241683412275132361780230522182246246815582154246727046631791179119711680164016461157936104918312463-1586.0175219171584173101811911231788-956.0750134-184.022931406113010666411984201177079333-190.0-1285.0
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating158.8171.0152.0133.8137.250.858.351.049.857.537.959.474.994.525.676.585.0100.389.994.698.766.261.872.3132.1166.0-110.4126.6153.4117.916.077.783.888.153.2-69.356.78.7-10.8131.171.860.954.834.6113.6115.80.00.00.00.0-118.0

us-gaap:ProfitLoss us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value2.02.03.03.03.0-1.0-1.00.0-1.0-2.0-5.0-1.00.00.06.0-4.00.02.01.00.00.00.00.00.00.00.00.00.00.00.00.012
Percentage of ProfitLoss0.10.00.10.10.1-0.1-0.00.0-0.0-0.1-0.3-0.00.00.00.9-0.20.00.10.10.00.00.00.00.00.00.0-0.00.00.00.00.01.2
Percentage of InterestAndDividendIncomeOperating0.10.10.10.10.1-0.0-0.00.0-0.0-0.0-0.1-0.00.00.00.2-0.20.00.10.10.00.00.00.00.00.00.00.00.00.00.00.00.9
Percentage of InterestAndDividendIncomeOperating us-gaap:IntersegmentElimination-5.4-7.40.0-2.9-1.90.80.0-0.00.71.10.00.4-0.0-0.00.01.7-0.0-0.80.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-10.0

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

us-gaap:OperatingSegments, ms:InstitutionalSecuritiesSegment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value19242635244616632203799105911181139140572011561487
Percentage of ProfitLoss54.863.271.760.568.144.945.950.450.756.946.253.760.3
Percentage of InterestAndDividendIncomeOperating87.0108.1109.080.993.422.826.825.725.332.817.531.945.1
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:InstitutionalSecuritiesSegment220.4271.60.0153.1169.533.00.035.934.646.00.047.767.7

us-gaap:OperatingSegments, ms:InvestmentManagementSegment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3222891612431771183581381551417486104
Percentage of ProfitLoss9.26.94.78.85.56.615.56.26.95.74.74.04.2
Percentage of InterestAndDividendIncomeOperating14.611.97.211.87.53.49.13.23.43.31.82.43.2
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:InvestmentManagementSegment3220.03612.50.03471.42528.61475.00.03450.02583.33525.00.0452.6611.8

us-gaap:OperatingSegments, ms:WealthManagementSegment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value12641242802842853864889962953924769913876
Percentage of ProfitLoss36.029.823.530.626.448.538.643.442.437.449.442.435.5
Percentage of InterestAndDividendIncomeOperating57.151.035.741.036.224.722.522.121.121.518.725.226.6
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:WealthManagementSegment92.583.60.079.170.572.40.069.870.765.40.064.766.4

Revenues Net Of Interest Expense

us-gaap:RevenuesNetOfInterestExpense

us-gaap:RevenuesNetOfInterestExpense


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-312008-12-31
Value1475915719136401165713414948710857100321024410286854898721061011077950091979503974590218909890977927738776797439907776489078608899678307932850381586966528969536935570998929282763578076780796390726836846851962934-937.0
Percentage of RevenuesNetOfInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating667.2645.0607.6567.0568.9270.8274.7230.6227.3239.8207.9272.2322.1387.3367.4393.0451.2495.9482.9513.8534.4446.0511.1535.3703.0667.6540.7643.6688.6669.8726.3605.0598.0583.5470.4383.5525.5449.7335.0565.6474.3411.8401.6366.3455.8522.60.00.00.00.0-86.0

us-gaap:RevenuesNetOfInterestExpense us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-130.0-131.0-145.0-118.0-129.0-147.0-135.0-113.0-116.0-103.0-119.0-109.0-120.0-115.0-67.0-74.0-75.0-74.0-83.0-77.0-63.0-67.0-53.0-51.0-55.0-54.0-58.0-49.0-47.0-42.0-72.0-63.0
Percentage of RevenuesNetOfInterestExpense-0.9-0.8-1.1-1.0-1.0-1.5-1.2-1.1-1.1-1.0-1.4-1.1-1.1-1.0-0.7-0.8-0.8-0.8-0.9-0.9-0.7-0.9-0.7-0.7-0.6-0.5-0.7-0.6-0.5-0.5-0.9-0.8
Percentage of InterestAndDividendIncomeOperating-5.9-5.4-6.5-5.7-5.5-4.2-3.4-2.6-2.6-2.4-2.9-3.0-3.6-4.0-2.6-3.2-3.6-3.8-4.4-4.4-3.8-3.8-3.5-3.5-4.0-3.6-4.0-3.5-3.8-3.1-6.7-4.8
Percentage of InterestAndDividendIncomeOperating us-gaap:IntersegmentElimination351.4485.20.0115.781.1121.50.078.584.756.30.047.650.451.10.031.229.831.00.034.128.430.30.033.846.243.50.039.537.635.00.052.5

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

us-gaap:OperatingSegments, ms:InstitutionalSecuritiesSegment


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value7092857770046062797749055054502351135196383949295714
Percentage of RevenuesNetOfInterestExpense48.154.651.352.059.551.746.650.149.950.544.949.953.9
Percentage of InterestAndDividendIncomeOperating320.6351.9312.0294.8338.3140.0127.9115.5113.5121.193.4135.9173.5
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:InstitutionalSecuritiesSegment812.4884.20.0558.2613.6202.40.0161.4155.5170.00.0203.3260.3

us-gaap:OperatingSegments, ms:InvestmentManagementSegment


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value17021314110010568866921356764839804684653691
Percentage of RevenuesNetOfInterestExpense11.58.48.19.16.67.312.57.68.27.88.06.66.5
Percentage of InterestAndDividendIncomeOperating76.953.949.051.437.619.834.317.618.618.716.618.021.0
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:InvestmentManagementSegment17020.016425.00.015085.712657.18650.00.019100.013983.320100.00.03436.84064.7

us-gaap:OperatingSegments, ms:WealthManagementSegment


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value6095595956814657468040374582435844084389414443994325
Percentage of RevenuesNetOfInterestExpense41.337.941.640.034.942.642.243.443.042.748.544.640.8
Percentage of InterestAndDividendIncomeOperating275.5244.5253.1226.5198.5115.2115.9100.297.8102.3100.8121.3131.3
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:WealthManagementSegment446.2401.00.0437.3386.8338.40.0316.3327.0310.60.0311.5327.7

us-gaap:RevenuesNetOfInterestExpense us-gaap:StatementGeographical

srt:Americas


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1088511191102198387976566467890748975267321631273577614
Percentage of RevenuesNetOfInterestExpense73.871.274.971.972.870.172.774.773.571.273.874.571.8
Percentage of InterestAndDividendIncomeOperating492.1459.2455.2407.9414.1189.7199.6172.2167.0170.7153.5202.8231.1
Percentage of InterestAndDividendIncomeOperating srt:Americas0.00.00.00.00.00.00.00.00.00.00.00.00.0

srt:Asia


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1781236916611797160016931593113411421263103611601167
Percentage of RevenuesNetOfInterestExpense12.115.112.215.411.917.814.711.311.112.312.111.811.0
Percentage of InterestAndDividendIncomeOperating80.597.274.087.467.948.340.326.125.329.425.232.035.4
Percentage of InterestAndDividendIncomeOperating srt:Asia0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EMEA


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value209321591760147320491148137414091576170212001355182917081294132516061489
Percentage of RevenuesNetOfInterestExpense14.213.712.912.615.312.112.714.015.416.514.013.717.215.413.614.416.915.3
Percentage of InterestAndDividendIncomeOperating94.688.678.471.686.932.834.832.435.039.729.237.455.559.750.056.676.375.8
Percentage of InterestAndDividendIncomeOperating us-gaap:EMEA0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value116180511587721115862955940975363947795895429902604891959875964853531865517875875858495851733853693841016832391814949813891828873807497787465834113825755829099801510814511826568831381832702832223802691801383780960764985748517781030749898794939830747836185807698771462
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 ms:VariableInterestEntityByInterest, ms:VariableInterestEntityByProductGroup, us-gaap:ConsolidatedEntities

ms:DebtandEquityInterests, ms:MortgageAndAssetBackedSecurities, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsms:
Period End2021-06-302021-03-312020-12-312019-12-31
Value20473242652624716314
Percentage of Assets1.82.12.41.8
Percentage of Assets1.82.12.41.8
Percentage of Assets ms:DebtandEquityInterests ms:MortgageAndAssetBackedSecurities us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

ms:DebtandEquityInterests, ms:MunicipalTenderOptionBonds, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsms:
Period End2021-06-302021-03-31
Value4.08.0
Percentage of Assets0.00.0
Percentage of Assets0.00.0
Percentage of Assets ms:DebtandEquityInterests ms:MunicipalTenderOptionBonds us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0

ms:DebtandEquityInterests, ms:OtherVariableInterests, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsms:
Period End2021-06-302021-03-312020-12-312019-12-31
Value10741109631100811977
Percentage of Assets0.90.91.01.3
Percentage of Assets0.90.91.01.3
Percentage of Assets ms:DebtandEquityInterests ms:OtherVariableInterests us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

ms:DebtandEquityInterests, us-gaap:CollateralizedDebtObligations, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsms:
Period End2021-06-302021-03-312020-12-312019-12-31
Value166205257240
Percentage of Assets0.00.00.00.0
Percentage of Assets0.00.00.00.0
Percentage of Assets ms:DebtandEquityInterests us-gaap:CollateralizedDebtObligations us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

ms:DebtandEquityInterests, us-gaap:StructuredFinance, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsms:
Period End2021-06-302021-03-312020-12-312019-12-31
Value1245117211871008
Percentage of Assets0.10.10.10.1
Percentage of Assets0.10.10.10.1
Percentage of Assets ms:DebtandEquityInterests us-gaap:StructuredFinance us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

us-gaap:Assets, ms:MortgageAndAssetBackedSecurities, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsms:
Period End2021-06-302021-03-312020-12-312019-12-31
Value20473242652624716314
Percentage of Assets1.82.12.41.8
Percentage of Assets1.82.12.41.8
Percentage of Assets us-gaap:Assets ms:MortgageAndAssetBackedSecurities us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

us-gaap:Assets, ms:MunicipalTenderOptionBonds, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsms:
Period End2021-06-302021-03-312020-12-312019-12-31
Value9.0145.06.0
Percentage of Assets0.00.00.00.0
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:Assets ms:MunicipalTenderOptionBonds us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

us-gaap:Assets, ms:OtherVariableInterests, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsms:
Period End2021-06-302021-03-312020-12-312019-12-31
Value12949121151185912365
Percentage of Assets1.11.01.11.4
Percentage of Assets1.11.01.11.4
Percentage of Assets us-gaap:Assets ms:OtherVariableInterests us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

us-gaap:Assets, us-gaap:CollateralizedDebtObligations, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsms:
Period End2021-06-302021-03-312020-12-312019-12-31
Value166205257240
Percentage of Assets0.00.00.00.0
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:Assets us-gaap:CollateralizedDebtObligations us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

us-gaap:Assets, us-gaap:StructuredFinance, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsms:
Period End2021-06-302021-03-312020-12-312019-12-31
Value1245117211871008
Percentage of Assets0.10.10.10.1
Percentage of Assets0.10.10.10.1
Percentage of Assets us-gaap:Assets us-gaap:StructuredFinance us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

us-gaap:DerivativeFinancialInstrumentsAssets, ms:MunicipalTenderOptionBonds, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsms:
Period End2021-06-302021-03-312020-12-312019-12-31
Value5.06.05.06.0
Percentage of Assets0.00.00.00.0
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:DerivativeFinancialInstrumentsAssets ms:MunicipalTenderOptionBonds us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

us-gaap:DerivativeFinancialInstrumentsAssets, ms:OtherVariableInterests, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsms:
Period End2021-06-302021-03-312020-12-312019-12-31
Value22081152851388
Percentage of Assets0.20.10.10.0
Percentage of Assets0.20.10.10.0
Percentage of Assets us-gaap:DerivativeFinancialInstrumentsAssets ms:OtherVariableInterests us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

us-gaap:SecuritiesAssets, ms:OtherConsumerAndCommercialLoans, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsms:
Period End2021-06-302021-03-312020-12-312019-12-31
Value2142193717172075
Percentage of Assets0.20.20.20.2
Percentage of Assets0.20.20.20.2
Percentage of Assets us-gaap:SecuritiesAssets ms:OtherConsumerAndCommercialLoans us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

us-gaap:SecuritiesAssets, us-gaap:CommercialMortgageBackedSecurities, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsms:
Period End2021-06-302021-03-312020-12-312019-12-31
Value3705390541313881
Percentage of Assets0.30.30.40.4
Percentage of Assets0.30.30.40.4
Percentage of Assets us-gaap:SecuritiesAssets us-gaap:CommercialMortgageBackedSecurities us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

us-gaap:SecuritiesAssets, us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsms:
Period End2021-06-302021-03-312020-12-312019-12-31
Value1198915727172246365
Percentage of Assets1.01.41.50.7
Percentage of Assets1.01.41.50.7
Percentage of Assets us-gaap:SecuritiesAssets us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

us-gaap:SecuritiesAssets, us-gaap:ResidentialMortgageBackedSecurities, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsms:
Period End2021-06-302021-03-312020-12-312019-12-31
Value2637269631753993
Percentage of Assets0.20.20.30.4
Percentage of Assets0.20.20.30.4
Percentage of Assets us-gaap:SecuritiesAssets us-gaap:ResidentialMortgageBackedSecurities us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

us-gaap:Assets ms:VariableInterestEntityByInterest, us-gaap:ConsolidatedEntities

us-gaap:SecuritiesAssets, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Assetsms:
Period End2021-06-302021-03-312020-12-312019-12-31
Value20473242652624716314
Percentage of Assets1.82.12.41.8
Percentage of Assets1.82.12.41.8
Percentage of Assets us-gaap:SecuritiesAssets us-gaap:VariableInterestEntityNotPrimaryBeneficiary100.0100.0100.0100.0

us-gaap:Assets ms:VariableInterestEntityByProductGroup, us-gaap:ConsolidatedEntities

ms:MortgageAndAssetBackedSecurities, us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsms:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value388921590447411368265265
Percentage of Assets0.00.10.10.00.00.00.00.0
Percentage of Assets0.00.10.10.00.00.00.00.0
Percentage of Assets ms:MortgageAndAssetBackedSecurities us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0100.0100.0

ms:OtherVariableInterests, us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsms:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value14971151977942884934987987
Percentage of Assets0.10.10.10.10.10.10.10.1
Percentage of Assets0.10.10.10.10.10.10.10.1
Percentage of Assets ms:OtherVariableInterests us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CollateralizedLoanObligations, us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsms:
Period End2021-06-302020-12-31
Value800418
Percentage of Assets0.10.0
Percentage of Assets0.10.0
Percentage of Assets us-gaap:CollateralizedLoanObligations us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0

us-gaap:StructuredFinance, us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsms:
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value1324551672718728696696
Percentage of Assets0.10.00.10.10.10.10.1
Percentage of Assets0.10.00.10.10.10.10.1
Percentage of Assets us-gaap:StructuredFinance us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

srt:ParentCompany


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value333165273140270513
Percentage of Assets29.930.531.7
Percentage of Assets29.930.531.7
Percentage of Assets srt:ParentCompany100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2685339621182061201320301948
Percentage of Assets0.20.30.20.20.20.20.2
Percentage of Assets0.20.30.20.20.20.20.2
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:StatementBusinessSegments

ms:InstitutionalSecuritiesSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value782257778555753322704323727137707489691201703868696748675770646427671508683888674785664974668281665603649766629149634648641373621644602714658867656529658933630341651286667514666407668596675676671116675327638852638103634905670662641456685736719637725804698453
Percentage of Assets67.367.267.573.774.674.677.278.078.177.175.777.678.178.678.178.379.178.177.278.077.477.076.579.079.579.578.680.080.880.280.381.283.684.381.883.484.885.985.586.386.686.886.5
Percentage of Assets67.367.267.573.774.674.677.278.078.177.175.777.678.178.678.178.379.178.177.278.077.477.076.579.079.579.578.680.080.880.280.381.283.684.381.883.484.885.985.586.386.686.886.5
Percentage of Assets ms:InstitutionalSecuritiesSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ms:InvestmentManagementSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value18412185436945719265756482654655235400529747125843593861074750478446784605466547224699476650434951528359366022564058197500739573917346
Percentage of Assets1.61.60.60.80.70.70.70.60.60.60.60.70.70.70.60.60.60.60.60.60.60.60.60.60.60.70.80.70.70.90.90.90.9
Percentage of Assets1.61.60.60.80.70.70.70.60.60.60.60.70.70.70.60.60.60.60.60.60.60.60.60.60.60.70.80.70.70.90.90.90.9
Percentage of Assets ms:InvestmentManagementSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ms:WealthManagementSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value361136361674355595244425241651233824197682193213189811194897202392188166186049177603182009180628170735178020181135174521182801181087179708170295163943164230165147157585153235157474156711149156125565
Percentage of Assets31.131.231.925.624.824.722.121.421.322.223.721.721.220.721.421.220.321.422.221.422.122.422.820.419.919.820.619.318.518.918.817.916.1
Percentage of Assets31.131.231.925.624.824.722.121.421.322.223.721.721.220.721.421.220.321.422.221.422.122.422.820.419.919.820.619.318.518.918.817.916.1
Percentage of Assets ms:WealthManagementSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:StatementGeographical

srt:Americas


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value815048622979576532
Percentage of Assets73.069.667.5
Percentage of Assets73.069.667.5
Percentage of Assets srt:Americas100.0100.0100.0

srt:Asia


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value1062168735776805
Percentage of Assets9.59.89.0
Percentage of Assets9.59.89.0
Percentage of Assets srt:Asia100.0100.0100.0

us-gaap:EMEA


Assetsus-gaap:
Period End2020-12-312019-12-31
Value194598185093
Percentage of Assets17.420.7
Percentage of Assets17.420.7
Percentage of Assets us-gaap:EMEA100.0100.0

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
Value105364310511841012713866122887354860567812732819054809114794072772125785443795369779006773267773579761049753307737772735429750498730322711281757693749688753633729406740500754367761113763672763982736577730886711223695513676880710438679820724845762604769677742291718682
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 Assets90.790.790.890.691.090.890.890.790.790.790.590.790.890.790.890.690.590.590.590.490.590.490.390.890.890.991.090.991.391.591.791.891.891.291.190.990.491.090.791.291.892.091.993.2

us-gaap:Liabilities ms:VariableInterestEntityByInterest, ms:VariableInterestEntityByProductGroup, us-gaap:ConsolidatedEntities

us-gaap:DerivativeFinancialInstrumentsLiabilities, ms:OtherVariableInterests, us-gaap:VariableInterestEntityNotPrimaryBeneficiary


Liabilitiesms:
Period End2021-06-302021-03-312020-12-312019-12-31
Value217314222444
Percentage of Liabilities0.00.00.00.1
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:DerivativeFinancialInstrumentsLiabilities ms:OtherVariableInterests us-gaap:VariableInterestEntityNotPrimaryBeneficiary0.00.00.00.0

us-gaap:Liabilities ms:VariableInterestEntityByProductGroup, us-gaap:ConsolidatedEntities

ms:MortgageAndAssetBackedSecurities, us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesms:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value47615171081071084.04.0
Percentage of Liabilities0.00.10.00.00.00.00.00.0
Percentage of Assets0.00.10.00.00.00.00.00.0
Percentage of Assets ms:MortgageAndAssetBackedSecurities us-gaap:VariableInterestEntityPrimaryBeneficiary12.166.82.924.226.029.31.51.5

ms:OtherVariableInterests, us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesms:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value378151474241446666
Percentage of Liabilities0.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.0
Percentage of Assets ms:OtherVariableInterests us-gaap:VariableInterestEntityPrimaryBeneficiary25.313.14.84.54.64.76.76.7

us-gaap:CollateralizedLoanObligations, us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesms:
Period End2021-06-302020-12-31
Value705350
Percentage of Liabilities0.10.0
Percentage of Assets0.10.0
Percentage of Assets us-gaap:CollateralizedLoanObligations us-gaap:VariableInterestEntityPrimaryBeneficiary88.183.7

us-gaap:StructuredFinance, us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesms:
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-30
Value1107350429392415391391
Percentage of Liabilities0.10.00.00.00.00.00.0
Percentage of Assets0.10.00.00.00.00.00.0
Percentage of Assets us-gaap:StructuredFinance us-gaap:VariableInterestEntityPrimaryBeneficiary83.663.563.854.657.056.256.2

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-31
Value231384191591190267
Percentage of Liabilities22.823.624.6
Percentage of Assets20.721.422.3
Percentage of Assets srt:ParentCompany69.570.170.3

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value11301873414579540567461
Percentage of Liabilities0.10.20.00.10.10.10.1
Percentage of Assets0.10.20.00.10.10.10.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary42.155.219.528.126.827.923.7

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value116180511587721115862955940975363947795895429902604891959875964853531865517875875858495851733853693841016832391814949813891828873807497787465834113825755829099801510814511826568831381832702832223802691801383780960764985748517781030749898794939830747836185807698771462
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 End2020-12-312019-12-312018-12-31
Value333165273140270513
Percentage of LiabilitiesAndStockholdersEquity29.930.531.7
Percentage of Assets29.930.531.7
Percentage of Assets srt:ParentCompany100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1068701062591017818839486645858608154982382817248072480246787037910978034773917897878826779247605077149771167601075182752877503874162709007291870755670716592165128631816270462109617996284162324620496182859707581865721146688
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.29.29.19.28.99.19.19.19.29.29.49.19.09.19.19.39.49.49.39.59.39.49.59.09.18.98.89.08.68.17.97.87.97.88.08.18.48.08.37.87.27.07.16.1

Tier One Risk Based Capital

us-gaap:TierOneRiskBasedCapital

us-gaap:TierOneRiskBasedCapital


Tier
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312016-09-302015-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8461284059880797990577398738967344372937727427191070619699386809767603667226100758903567805612954360533525424553527523525274651007496195288046670
Percentage of TierOneRiskBasedCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.37.37.98.47.97.88.28.18.28.28.38.28.48.38.57.37.17.17.07.07.07.26.97.06.66.15.96.56.0

us-gaap:TierOneRiskBasedCapital dei:LegalEntity

ms:MorganStanleyBankNationalAssociation


Tier
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312016-09-302015-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value18069175301723817764172281683915919166411586216285152211519613398131051333310805105491038610144991895559236898087038069
Percentage of TierOneRiskBasedCapital21.420.919.622.222.322.821.722.821.822.621.621.719.719.420.017.717.918.318.118.217.917.016.816.615.3
Percentage of Assets1.61.51.51.91.81.81.81.81.81.91.81.81.61.61.71.31.31.31.31.31.21.21.11.21.0
Percentage of Assets ms:MorganStanleyBankNationalAssociation0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ms:MorganStanleyPrivateBankNationalAssociation


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
Value962984718213852882328487796282817945754571836215
Percentage of TierOneRiskBasedCapital11.410.19.310.710.611.510.811.410.910.510.28.9
Percentage of Assets0.80.70.70.90.80.90.90.90.90.90.80.7
Percentage of Assets ms:MorganStanleyPrivateBankNationalAssociation0.00.00.00.00.00.00.00.00.00.00.00.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312008-11-302007-11-30
Value12648011811810565494772106276131509821718068287196924818158987344803954819144659428544338142552561335363854083535184635940293469845582640885554245988357781471994290246904365864200638725473125390750747526084761533115363473547831991786707865425598
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.910.29.59.910.913.99.29.210.210.79.310.29.45.65.35.15.35.26.86.66.96.45.64.95.96.94.96.77.26.95.95.46.04.85.65.06.36.86.16.35.90.00.00.04.10.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value318425269284315328488
Percentage of CashAndCashEquivalentsAtCarryingValue0.30.40.30.30.30.20.6
Percentage of Assets0.00.00.00.00.00.00.1
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary11.812.512.713.815.616.225.1

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value12648011811810565494772106276131509821717965679580806828719692481815898039577360
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.910.29.59.910.913.99.28.88.99.210.210.79.39.49.5

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value71028010748281323719
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents6.79.78.610.14.8
Percentage of Assets0.60.90.91.00.5
Percentage of Assets srt:ParentCompany2.12.92.80.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value168381683611635734873297125714371397158668666886680669267066597659065916588657765846581658665846587659465976588658966006601659565916600663366506622661067006686670967446743673971622256
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.51.00.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.90.90.90.90.90.80.80.80.80.90.0

us-gaap:Goodwill us-gaap:BusinessAcquisition

ms:ETRADEFinancialCorporation


Goodwillus-gaap:
Period End2020-10-02
Value4270
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets ms:ETRADEFinancialCorporation0.0

ms:EatonVanceCorp.


Goodwillus-gaap:
Period End2021-03-01
Value5270
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets ms:EatonVanceCorp.0.0

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

ms:ETRADEFinancialCorporation, us-gaap:SubsequentEvent


Goodwillus-gaap:
Period End2020-10-02
Value5000
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets ms:ETRADEFinancialCorporation us-gaap:SubsequentEvent0.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments

ms:AssetManagementSegment


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value88188188176976976976974074074074074074074074074074074074074074011711171
Percentage of Goodwill7.612.313.211.711.711.711.711.211.211.211.211.211.111.211.211.011.111.011.011.011.016.451.9
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.0
Percentage of Assets ms:AssetManagementSegment0.00.00.00.00.00.00.00.00.00.010.29.910.110.010.610.410.510.69.99.69.00.00.0

ms:GlobalWealthManagementGroup


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value10278600155335533553355335533556255625562556255735586555155515616561656165616561656165618272
Percentage of Goodwill88.384.082.783.984.184.084.084.384.384.484.384.084.083.884.083.884.083.783.383.383.378.412.1
Percentage of Assets0.90.70.60.60.70.70.70.70.70.70.70.70.70.70.70.70.70.70.70.70.70.70.0
Percentage of Assets ms:GlobalWealthManagementGroup0.00.00.00.00.00.00.00.00.00.04.54.74.14.65.25.45.55.55.45.55.60.00.0

ms:InstitutionalSecuritiesSegment


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value476261274295275282286299293289298320324331319344330353388387383373813
Percentage of Goodwill4.13.74.14.54.24.34.34.54.44.44.54.84.95.04.85.14.95.35.85.75.75.236.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets ms:InstitutionalSecuritiesSegment0.10.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value86908846498018801958202121072211227620842163224023322427244824912567264427212747283329092984306931513064315930543137321032863514360236943783390539874170428543704474458146675054906
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.80.40.20.20.20.20.20.30.20.30.30.30.30.30.30.30.30.30.30.30.40.40.40.40.40.40.40.40.40.40.40.40.50.50.50.50.50.60.50.50.50.60.70.0

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:ConsolidatedEntities

us-gaap:VariableInterestEntityPrimaryBeneficiary


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value929598101104107111
Percentage of IntangibleAssetsNetExcludingGoodwill1.11.12.05.45.35.35.3
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary3.42.84.64.95.25.35.7

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value4980210721582445271829793153320332783506359336863776389936993791387239574061415742304637722
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.20.30.30.30.40.40.40.40.40.40.50.50.50.50.50.50.50.50.50.50.60.0

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:StatementBusinessSegments

ms:AssetManagementSegment


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value4452604.01120271.01.01.01.01.01.02.02.02.02.02.02.02.05.0184389
Percentage of FiniteLivedIntangibleAssetsNet0.92.52.80.20.40.70.90.00.00.00.00.00.00.10.10.10.10.10.00.00.14.053.9
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets ms:AssetManagementSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.0

ms:GlobalWealthManagementGroup


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4809182818282092236126322905314832213343342935173600368234823561364137213801388239634292
Percentage of FiniteLivedIntangibleAssetsNet96.686.884.785.686.988.492.198.398.395.495.495.495.394.494.193.994.094.093.693.493.792.6
Percentage of Assets0.40.20.20.20.30.30.40.40.40.40.40.40.50.50.50.50.50.50.50.50.50.6
Percentage of Assets ms:GlobalWealthManagementGroup0.00.00.00.00.00.00.00.00.00.02.83.02.73.13.33.43.63.63.73.83.90.0

ms:InstitutionalSecuritiesSegment


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value1272272703493463272215456162163168175215215228229234258273262161333
Percentage of FiniteLivedIntangibleAssetsNet2.610.812.514.312.711.07.01.71.74.64.54.64.65.55.86.05.95.96.46.66.23.546.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets ms:InstitutionalSecuritiesSegment0.00.00.00.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value78714981673257447675996720672287286691178127615
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.20.20.30.60.80.90.90.90.91.01.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2020-12-312019-12-31
Value44193998
Percentage of OperatingLeaseRightOfUseAsset100.0100.0
Percentage of Assets0.40.4

Equity Securities Fv Ni

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

us-gaap:EquitySecuritiesFvNi

us-gaap:FairValueInputsLevel3, ms:CorporateEquities, us-gaap:FairValueMeasurementsRecurring


Equity
Period End2020-12-312019-12-31
Value6336
Percentage of EquitySecuritiesFvNi100.0100.0
Percentage of Assets0.00.0
Percentage of Assets us-gaap:FairValueInputsLevel3 ms:CorporateEquities us-gaap:FairValueMeasurementsRecurring0.00.0

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

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value1501148613583146971039895
Percentage of EquitySecuritiesFvNi0.00.0136.50.00.00.0269.40.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel3 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.0

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

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, ms:CorporateEquities


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value1048341042231115751029759467266409123942921919074193626
Percentage of EquitySecuritiesFvNi0.00.0177103.20.00.00.0344283.30.00.00.0
Percentage of Assets9.09.010.010.89.77.013.810.210.211.0
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring ms:CorporateEquities0.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel12And3, us-gaap:FairValueMeasurementsRecurring, ms:CorporateEquities


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value1054921046641128031037659569567137124691927539130294243
Percentage of EquitySecuritiesFvNi0.00.0179052.40.00.00.0346363.90.00.00.0
Percentage of Assets9.19.010.110.99.87.113.910.310.211.0
Percentage of Assets us-gaap:FairValueInputsLevel12And3 us-gaap:FairValueMeasurementsRecurring ms:CorporateEquities0.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, ms:CorporateEquities


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value5083271142655940582652459463522
Percentage of EquitySecuritiesFvNi0.00.01812.70.00.00.01811.10.00.00.0
Percentage of Assets0.00.00.10.10.10.10.10.10.10.1
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:FairValueMeasurementsRecurring ms:CorporateEquities0.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, ms:CorporateEquities


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value1501148613583146971039895
Percentage of EquitySecuritiesFvNi0.00.0136.50.00.00.0269.40.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel3 us-gaap:FairValueMeasurementsRecurring ms:CorporateEquities0.00.00.00.00.00.00.00.00.00.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value23697215722174219407190801984620117195811965419425156411596315873162821662850430481355390252125491235152651058904391601000510360107428711965195481013310687107951028410511108271062311772121061310913032135581329016845
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.01.91.92.02.02.12.22.22.22.21.81.81.81.92.05.95.76.56.46.06.26.31.11.11.21.21.31.11.21.11.21.31.31.31.31.41.41.51.61.61.61.61.62.2

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-31
Value4542441244
Percentage of OtherAssets2.11.28.0
Percentage of Assets0.00.00.1
Percentage of Assets srt:ParentCompany0.10.10.5

us-gaap:VariableInterestEntityPrimaryBeneficiary


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value269276283292330345388
Percentage of OtherAssets1.11.31.31.51.71.71.9
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary10.08.113.414.216.417.019.9

Time Deposit Maturities Year One

us-gaap:TimeDepositMaturitiesYearOne

us-gaap:TimeDepositMaturitiesYearOne


Time
Period End2021-06-302021-03-312020-12-31
Value5523526318477
Percentage of TimeDepositMaturitiesYearOne100.0100.0100.0
Percentage of Assets0.50.51.7

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value218604208267213388198891202238192645190060192362196072189193188117189949189915193708191063191677184112172688164775163927163492162804153768160343158089155545152772152357149483153374153575157805161098165142169571168444167828176723184234189093196106196136192457193374
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.818.019.120.820.720.321.221.322.021.622.021.921.722.622.422.521.920.720.220.119.720.219.519.219.118.819.118.718.118.418.419.020.120.621.722.022.422.624.623.823.623.523.825.1

us-gaap:LongTermDebt ms:LongTermDebtRateType, us-gaap:ConsolidatedEntities

ms:LongTermDebtFixedRate, srt:ParentCompany


Long
Period End2020-12-312019-12-31
Value133417106034
Percentage of LongTermDebt62.555.8
Percentage of Assets12.011.8
Percentage of Assets ms:LongTermDebtFixedRate srt:ParentCompany0.00.0

ms:LongTermDebtFixedRate, srt:Subsidiaries


Long
Period End2020-12-312019-12-31
Value11738201
Percentage of LongTermDebt5.50.1
Percentage of Assets1.10.0
Percentage of Assets ms:LongTermDebtFixedRate srt:Subsidiaries0.00.0

ms:LongTermDebtVariableRate, srt:ParentCompany


Long
Period End2020-12-312019-12-31
Value2640541261
Percentage of LongTermDebt12.421.7
Percentage of Assets2.44.6
Percentage of Assets ms:LongTermDebtVariableRate srt:ParentCompany0.00.0

ms:LongTermDebtVariableRate, srt:Subsidiaries


Long
Period End2020-12-312019-12-31
Value4182842564
Percentage of LongTermDebt19.622.4
Percentage of Assets3.74.8
Percentage of Assets ms:LongTermDebtVariableRate srt:Subsidiaries0.00.0

us-gaap:LongTermDebt ms:LongTermDebtRateType, us-gaap:LongtermDebtType

ms:FixedRateDebt, us-gaap:SecuredDebt


Long
Period End2020-12-312019-12-312018-12-312017-12-31
Value21272045432786
Percentage of LongTermDebt1.01.10.20.4
Percentage of Assets0.20.20.10.1
Percentage of Assets ms:FixedRateDebt us-gaap:SecuredDebt0.00.00.00.0

ms:VariableRate, us-gaap:SecuredDebt


Long
Period End2020-12-312019-12-312018-12-312017-12-31
Value1754443563407899
Percentage of LongTermDebt0.82.33.44.1
Percentage of Assets0.20.50.70.9
Percentage of Assets ms:VariableRate us-gaap:SecuredDebt0.00.00.00.0

us-gaap:LongTermDebt us-gaap:ConsolidatedEntities

srt:ParentCompany


Long
Period End2020-12-312019-12-312018-12-31
Value159979147708156582
Percentage of LongTermDebt75.077.783.2
Percentage of Assets14.316.518.3
Percentage of Assets srt:ParentCompany48.054.157.9

us-gaap:LongTermDebt us-gaap:LongtermDebtType

us-gaap:SecuredDebt


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value38816480677286859404
Percentage of LongTermDebt1.83.43.64.55.7
Percentage of Assets0.30.70.81.01.2
Percentage of Assets us-gaap:SecuredDebt0.00.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-312019-12-31
Value793703
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0
Percentage of Assets0.10.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-312019-12-31
Value740646
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0
Percentage of Assets0.10.1

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-312019-12-31
Value639593
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0
Percentage of Assets0.10.1

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-312019-12-31
Value532524
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0
Percentage of Assets0.00.1

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value2685
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.2

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-30
Value5327477845354595
Percentage of OperatingLeaseLiability100.0100.0100.0100.0
Percentage of Assets0.50.50.50.5

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-312019-12-31
Value62306074
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0
Percentage of Assets0.60.7

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-312019-12-31
Value9031296
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0
Percentage of Assets0.10.1

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1068701062591017818839486645858608154982382817248072480246787037910978034773917897878826779247605077149771167601075182752877503874162709007291870755670716592165128631816270462109617996284162324620496182859707581865721146688
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.29.29.19.28.99.19.19.19.29.29.49.19.09.19.19.39.49.49.39.59.39.49.59.09.18.98.89.08.68.17.97.87.97.88.08.18.48.08.37.87.27.07.16.1

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312008-11-302007-11-30
Value1081621075881031498981888009872288269783550828458189281406800748050679489784668011479967790847717778462783757717576184764207606775466721047401172201702686903068241661146607265428651707163770592700787009468143665086540765582591595517952780494565153632897
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.39.39.29.49.09.29.29.39.39.39.59.39.29.39.29.49.59.59.59.69.59.69.79.29.29.19.09.18.78.58.38.28.28.28.48.59.69.09.38.88.28.08.10.00.00.06.80.00.00.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-31
Value1017818154980246
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest98.798.698.6
Percentage of Assets9.19.19.4
Percentage of Assets srt:ParentCompany30.529.929.7

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

ms:AOCIDebtValuationAdjustmentParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-2151.0-2336.0-2456.0-751.0-189.02220-1454.0-388.0-720.0-494.0105-1017.0-308.0-913.0-1155.0-595.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-2.0-2.2-2.4-0.8-0.22.5-1.8-0.5-0.9-0.60.1-1.3-0.4-1.1-1.5-0.8
Percentage of Assets-0.2-0.2-0.2-0.1-0.00.2-0.2-0.0-0.1-0.10.0-0.1-0.0-0.1-0.1-0.1
Percentage of Assets ms:AOCIDebtValuationAdjustmentParent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

ms:CommonStockIssuedToEmployeeTrust


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312008-11-302007-11-30
Value-3768.0-3861.0-3043.0-2992.0-3018.0-3088.0-2918.0-2865.0-2889.0-3000.0-2836.0-2797.0-2829.0-2907.0-2907.0-2899.0-2945.0-3037.0-2851.0-2839.0-2873.0-2861.0-2409.0-2399.0-2441.0-2431.0-2127.0-2127.0-2147.0-2099.0-1718.0-1753.0-1821.0-1872.0-2932.0-2979.0-3198.0-3252.0-3166.0-3216.0-3385.0-3468.0-3465.0-3549.0-3666.0-3772.0-4064.0-4312.0-3901.0-5569.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-3.5-3.6-3.0-3.3-3.4-3.5-3.5-3.4-3.5-3.7-3.5-3.5-3.5-3.7-3.7-3.6-3.7-3.8-3.7-3.6-3.7-3.7-3.2-3.1-3.2-3.2-2.9-2.9-3.0-3.0-2.5-2.6-2.8-2.8-4.5-4.6-4.5-4.6-4.5-4.6-5.0-5.2-5.3-5.4-6.2-6.8-7.7-8.7-7.6-16.9
Percentage of Assets-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.4-0.4-0.3-0.3-0.3-0.4-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.2-0.2-0.2-0.2-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.40.00.00.0-0.50.00.00.0
Percentage of Assets ms:CommonStockIssuedToEmployeeTrust0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-481.0-493.0-498.0-615.0-620.0-619.0-644.0-571.0-574.0-577.0-578.0-699.0-704.0-710.0-591.0-474.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.4-0.5-0.5-0.7-0.7-0.7-0.8-0.7-0.7-0.7-0.7-0.9-0.9-0.9-0.8-0.6
Percentage of Assets-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value100410111787176518271532207322108-501.0-930.0-1365.0-1194.0-1068.0-547.0-588.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.90.91.72.02.11.80.30.40.1-0.6-1.1-1.7-1.5-1.3-0.7-0.8
Percentage of Assets0.10.10.20.20.20.20.00.00.0-0.1-0.1-0.2-0.1-0.1-0.1-0.1
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312008-11-302007-11-30
Value-2523.0-2754.0-1962.0-537.01.02095-2788.0-1598.0-2051.0-2473.0-2292.0-3999.0-3070.0-3406.0-3060.0-2544.0-2488.0-2450.0-2643.0-1070.0-905.0-1238.0-1656.0-1419.0-1447.0-1266.0-1248.0-1115.0-733.0-968.0-1093.0-1014.0-1169.0-694.0-516.0-146.0-220.0-60.0-157.0-413.0-320.0-426.0-467.0-116.0-354.0-559.0-560.0-420.0-125.0-199.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-2.3-2.6-1.9-0.60.02.4-3.4-1.9-2.5-3.0-2.8-5.0-3.8-4.3-3.9-3.2-3.1-3.1-3.4-1.4-1.2-1.6-2.2-1.9-1.9-1.7-1.7-1.5-1.0-1.4-1.6-1.5-1.8-1.1-0.8-0.2-0.3-0.1-0.2-0.6-0.5-0.6-0.7-0.2-0.6-1.0-1.1-0.8-0.2-0.6
Percentage of Assets-0.2-0.2-0.2-0.10.00.2-0.3-0.2-0.2-0.3-0.3-0.5-0.4-0.4-0.4-0.3-0.3-0.3-0.3-0.1-0.1-0.2-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.1-0.0-0.1-0.10.00.00.0-0.10.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-895.0-936.0-795.0-936.0-1017.0-1038.0-897.0-961.0-865.0-901.0-889.0-918.0-864.0-715.0-767.0-986.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.8-0.9-0.8-1.0-1.2-1.2-1.1-1.2-1.0-1.1-1.1-1.1-1.1-0.9-1.0-1.3
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312008-11-302007-11-30
Value280302740625546240152378223428239352364923446231782379423664234542326023545233892314022880232712299522697225262415323876236552335524249239222360823364245702423523933236612342623202231512293022836225012234612185135211338976496750861945916191902
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest25.925.524.826.727.026.928.928.328.328.329.229.629.129.330.029.228.928.930.229.329.029.231.731.231.130.933.632.332.733.235.635.536.235.835.835.632.332.532.632.132.818.320.720.412.912.216.30.93.15.8
Percentage of Assets2.42.42.32.52.42.52.72.62.62.62.82.72.72.72.82.72.82.72.92.82.72.83.12.92.92.83.02.92.92.83.02.93.03.03.03.03.12.93.02.82.71.51.70.00.00.01.10.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312008-11-302007-11-30
Value2020202020202020202020202020202020202020202020202020202020202020202020202020202020161616151515121212
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312008-11-302007-11-30
Value12921329136814241364136811481168112111681160137113971455107511361141116011271313125911651002113310291304120410931446319731093113293333683319879682688029826684368322819687068146691560927037051628
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest1.21.21.31.61.51.61.41.41.41.41.41.71.71.81.41.41.41.51.51.71.61.51.31.51.41.71.71.52.04.54.54.64.45.15.112.311.711.511.812.412.512.513.313.812.511.51.41.44.9
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.20.20.20.10.10.10.10.10.20.20.10.10.10.10.20.20.10.20.40.40.40.40.40.41.21.11.11.01.01.01.00.00.00.00.80.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312008-11-302007-11-30
Value7750775092508520852085208520852085208520852085208520852085208520852085207520752075207520752075207520752060206020502032203220237015081508150815081508150815081508150895979597959795979597959719168191551100
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest7.27.29.09.59.79.810.310.210.310.410.510.610.610.710.910.610.710.89.79.69.69.79.99.89.910.08.38.17.04.64.73.52.32.32.32.32.12.12.22.22.214.414.714.616.217.418.238.837.23.3
Percentage of Assets0.70.70.80.90.90.91.00.91.01.01.01.01.01.01.01.01.01.00.90.90.90.91.00.90.90.90.80.70.60.40.40.30.20.20.20.20.20.20.20.20.21.11.20.00.00.01.20.00.00.0
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312008-11-302007-11-30
Value8479182034786947606174015715187058969071675886606164175633306183560009575775755456325551095367952545514105027249204487464810646740446254657345145435224217242237414554075039912394414058640118403414071038637392693860338056382103653935056361543809638045
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest78.476.276.384.784.182.085.482.781.680.778.879.176.875.573.471.870.469.769.667.065.665.164.663.863.261.961.962.962.561.961.161.962.761.761.060.556.756.857.658.156.759.059.058.064.666.266.473.173.9115.6
Percentage of Assets7.37.17.18.07.67.57.97.77.67.57.57.37.17.06.86.76.76.66.66.56.26.26.25.85.85.65.65.75.55.25.15.15.25.15.15.25.45.15.45.14.74.74.80.00.00.04.50.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312008-11-302007-11-30
Value-11198.0-8197.0-9767.0-19685.0-19693.0-19721.0-18727.0-17280.0-15799.0-14582.0-13971.0-12832.0-11650.0-10369.0-9211.0-7961.0-6691.0-6155.0-5797.0-4861.0-3626.0-3090.0-4059.0-3456.0-2816.0-2207.0-2766.0-2502.0-2305.0-2087.0-2968.0-2720.0-2566.0-2541.0-2241.0-2226.0-2204.0-2192.0-2499.0-2498.0-2484.0-2455.0-4059.0-4066.0-4104.0-4078.0-6039.0-6620.0-7926.0-9591.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-10.4-7.6-9.5-21.9-22.4-22.6-22.6-20.7-19.1-17.8-17.2-16.0-14.5-13.0-11.7-9.9-8.4-7.8-7.5-6.2-4.6-4.0-5.3-4.5-3.7-2.9-3.8-3.4-3.2-3.0-4.3-4.0-3.9-3.8-3.4-3.4-3.1-3.1-3.6-3.6-3.6-3.7-6.2-6.2-6.9-7.4-11.4-13.4-15.4-29.2
Percentage of Assets-1.0-0.7-0.9-2.1-2.0-2.1-2.1-1.9-1.8-1.7-1.6-1.5-1.3-1.2-1.1-0.9-0.8-0.7-0.7-0.6-0.4-0.4-0.5-0.4-0.3-0.3-0.3-0.3-0.3-0.3-0.4-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.50.00.00.0-0.80.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TrustForBenefitOfEmployees


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312008-11-302007-11-30
Value37683861304329923018308829182865288930002836279728292907290728992945303728512839287328612409239924412431212721272147209917181753182118722932297931983252316632163385346834653549366637724064431239015569
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest3.53.63.03.33.43.53.53.43.53.73.53.53.53.73.73.63.73.83.73.63.73.73.23.13.23.22.92.93.03.02.52.62.82.84.54.64.54.64.54.65.05.25.35.46.26.87.78.77.616.9
Percentage of Assets0.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.40.40.30.30.30.40.30.30.30.30.30.30.30.30.20.20.20.20.40.40.40.40.40.40.40.40.40.00.00.00.50.00.00.0
Percentage of Assets us-gaap:TrustForBenefitOfEmployees0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2020202020202020202020202020202020202020202020202020202020202020202020202020202020161615
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

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
Value280302740625546240152378223428239352364923446231782379423664234542326023545233892314022880232712299522697225262415323876236552335524249239222360823364245702423523933236612342623202231512293022836225012234612185135218619
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 Assets2.42.42.32.52.42.52.72.62.62.62.82.72.72.72.82.72.82.72.92.82.72.83.12.92.92.83.02.92.92.83.02.93.03.03.03.03.12.93.02.82.71.51.71.1

us-gaap:AdditionalPaidInCapital us-gaap:ConsolidatedEntities

srt:ParentCompany


Additional
Period End2020-12-312019-12-312018-12-31
Value255462393523794
Percentage of AdditionalPaidInCapital100.0100.0100.0
Percentage of Assets2.32.72.8
Percentage of Assets srt:ParentCompany7.78.88.8

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
Value8479182034786947606174015715187058969071675886606164175633306183560009575775755456325551095367952545514105027249204487464810646740446254657345145435224217242237414554075039912394414058640118403414071038637392693860335056
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 Assets7.37.17.18.07.67.57.97.77.67.57.57.37.17.06.86.76.76.66.66.56.26.26.25.85.85.65.65.75.55.25.15.15.25.15.15.25.45.15.45.14.74.74.84.5

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidatedEntities

srt:ParentCompany


Retained
Period End2020-12-312019-12-312018-12-31
Value786947058964175
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0
Percentage of Assets7.17.97.5
Percentage of Assets srt:ParentCompany23.625.823.7

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-2523.0-2754.0-1962.0-537.01.02095-2788.0-1598.0-2051.0-2473.0-2292.0-3060.0-2450.0-2643.0-1070.0-905.0-1238.0-1656.0-1419.0-1447.0-1266.0-1248.0-1115.0-733.0-968.0-1093.0-1014.0-1169.0-694.0-516.0-146.0-220.0-60.0-157.0-413.0-320.0-426.0-467.0-560.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.2-0.2-0.2-0.10.00.2-0.3-0.2-0.2-0.3-0.3-0.4-0.3-0.3-0.1-0.1-0.2-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.1-0.0-0.1-0.1-0.1

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities

srt:ParentCompany


Accumulated
Period End2020-12-312019-12-312018-12-31
Value-1962.0-2788.0-2292.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0
Percentage of Assets-0.2-0.3-0.3
Percentage of Assets srt:ParentCompany-0.6-1.0-0.8

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value11198819797671968519693197211872717280157991458213971128321165010369921179616691615557974861362630904059345628162207276625022305208729682720256625412241222622042192249924982484245540596039
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.00.70.92.12.02.12.11.91.81.71.61.51.31.21.10.90.80.70.70.60.40.40.50.40.30.30.30.30.30.30.40.30.30.30.30.30.30.30.30.30.30.30.50.8

us-gaap:TreasuryStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Treasury
Period End2020-12-312019-12-312018-12-31
Value-9767.0-18727.0-13971.0
Percentage of TreasuryStockValue-100.0-100.0-100.0
Percentage of Assets-0.9-2.1-1.6
Percentage of Assets srt:ParentCompany-2.9-6.9-5.2

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
Value461526879-25390.0-6867.0-16810.023836-136.0133371053117041-7179.014565-12729.01264816088046-14249.090-2482.04600177669068435743130468812-3852.0-1322.021055-10141.0829221101-14165.0
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating208.61103.0-1131.0-334.0-712.9680.4-3.4306.6233.7397.2-174.6401.6-386.4442.262.2343.8-676.64.6-132.9329.0119.9500.8637.6481.9178.8503.8-196.8-71.31083.1-547.9474.61215.5-1300.7

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
Value3117-22561.0-460.0-3820.0-12510.0-21108.0-7840.0-7899.0-10595.0-7227.0-8815.0-4763.0-2381.0-6922.0-3563.0-11523.04863-2168.0-4520.0-7386.0-3359.0-3244.0-2054.0-10481.02817-2696.0-3789.0-3135.023432545-5033.0-4510.0-802.0-18812.0-107.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating140.9-925.8-20.5-185.8-530.5-602.6-198.4-181.6-235.1-168.5-214.4-131.3-72.3-242.0-137.8-492.4230.9-110.3-242.0-563.4-236.2-232.0-138.7-760.0212.9-174.8-222.4-179.2119.7137.3-258.9-243.7-45.9-1083.6-9.8

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
Value485956434859-2674.03645479549214-3919.0-1397.0-15864.010843153611463363-1272.010168464327221282519198-6227.0-4162.010712-2070.0-7658.0-12881.0-5547.0-2349.0-68.02816-1417.010080-6078.0157812774
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating21.9392.41552.7-130.1154.61368.9233.1-90.1-31.0-369.8263.842.3348.012.7-49.2434.5220.5138.5686.61464.4-437.9-297.7723.3-150.1-578.8-835.3-325.5-134.3-3.5151.9-72.9544.6-347.990.91173.0

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value83621246410882-11504.0-25233.049338251576-1102.0-6514.0-5285.010892
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating378.0511.4484.7-559.5-1070.11408.463.61.7-24.5-151.8-128.6300.3

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
Value6647327016005-4813.03242-4247.0-2779.01119915519971-13373.0-8743.079241129-6189.024649151-3419.0-1995.0-6109.077542153-5978.011833-9534.08052463613635068169045197822263026976-11090.04489-5797.011115-29464.09043121081350-1734.01623-4622.0549411481
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
Value461526879-25390.0-6867.0-16810.023836-136.0133371053117041-7179.014565-12729.01264816088046-14249.090-2482.04600177669068435743130468812-3852.0-1322.021055-10141.0829221101-14165.0
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating208.61103.0-1131.0-334.0-712.9680.4-3.4306.6233.7397.2-174.6401.6-386.4442.262.2343.8-676.64.6-132.9329.0119.9500.8637.6481.9178.8503.8-196.8-71.31083.1-547.9474.61215.5-1300.7

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-312008-12-31
Value351141203385271731961698223921732201242915312112243726686431781175719301666159715821134908101818072394-1630.016931899150584906980962594-1023.0591-94.0-250.02199119396883613119601776617757149-177.0-1288.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating158.7169.1150.8132.1135.548.556.750.048.856.637.258.274.093.324.976.183.498.289.292.194.964.960.070.2130.4161.3-113.5122.3151.9112.17.869.168.968.840.1-74.244.7-6.1-14.7125.761.052.243.07.1112.2102.30.00.00.00.0-118.3

us-gaap:NetIncomeLoss us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value2.02.03.03.03.0-1.0-1.00.0-1.0-2.0-5.0-1.00.00.06.0-4.00.02.01.00.00.00.00.00.00.00.00.00.00.00.00.012
Percentage of NetIncomeLoss0.10.00.10.10.1-0.1-0.00.0-0.0-0.1-0.3-0.00.00.00.9-0.20.00.10.10.00.00.00.00.00.00.0-0.00.00.00.00.01.3
Percentage of InterestAndDividendIncomeOperating0.10.10.10.10.1-0.0-0.00.0-0.0-0.0-0.1-0.00.00.00.2-0.20.00.10.10.00.00.00.00.00.00.00.00.00.00.00.00.9
Percentage of InterestAndDividendIncomeOperating us-gaap:IntersegmentElimination-5.4-7.40.0-2.9-1.90.80.0-0.00.71.10.00.4-0.0-0.00.01.7-0.0-0.80.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-10.0

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

us-gaap:OperatingSegments, ms:InstitutionalSecuritiesSegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value19042601242216472186757103410731121137170211201457
Percentage of NetIncomeLoss54.263.171.660.668.444.646.249.450.956.445.953.059.8
Percentage of InterestAndDividendIncomeOperating86.1106.7107.980.192.721.626.224.724.932.017.130.944.2
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:InstitutionalSecuritiesSegment218.1268.10.0151.7168.231.20.034.534.144.90.046.266.4

us-gaap:OperatingSegments, ms:InvestmentManagementSegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value341275158225154783171381281366580104
Percentage of NetIncomeLoss9.76.74.78.34.84.614.26.45.85.64.23.84.3
Percentage of InterestAndDividendIncomeOperating15.411.37.010.96.52.28.03.22.83.21.62.23.2
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:InvestmentManagementSegment3410.03437.50.03214.32200.0975.00.03450.02133.33400.00.0421.1611.8

us-gaap:OperatingSegments, ms:WealthManagementSegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value12641242802842853864889962953924769913876
Percentage of NetIncomeLoss36.030.123.731.026.750.939.744.343.338.050.243.235.9
Percentage of InterestAndDividendIncomeOperating57.151.035.741.036.224.722.522.121.121.518.725.226.6
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:WealthManagementSegment92.583.60.079.170.572.40.069.870.765.40.064.766.4

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value351141203385271731961698223921732201242915312112243726686431781175719301666159715821134908101818072394-1630.016931899150584906980962594-1023.0591-94.0-250.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating158.7169.1150.8132.1135.548.556.750.048.856.637.258.274.093.324.976.183.498.289.292.194.964.960.070.2130.4161.3-113.5122.3151.9112.17.869.168.968.840.1-74.244.7-6.1-14.7
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-312008-12-31
Value351241683412275132361780230522182246246815582154246727046631791179119711680164016461157936104918312463-1586.0175219171584173101811911231788-956.0750134-184.022931406113010666411984201177079333-190.0-1285.0
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating158.8171.0152.0133.8137.250.858.351.049.857.537.959.474.994.525.676.585.0100.389.994.698.766.261.872.3132.1166.0-110.4126.6153.4117.916.077.783.888.153.2-69.356.78.7-10.8131.171.860.954.834.6113.6115.80.00.00.00.0-118.0

us-gaap:ProfitLoss us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value2.02.03.03.03.0-1.0-1.00.0-1.0-2.0-5.0-1.00.00.06.0-4.00.02.01.00.00.00.00.00.00.00.00.00.00.00.00.012
Percentage of ProfitLoss0.10.00.10.10.1-0.1-0.00.0-0.0-0.1-0.3-0.00.00.00.9-0.20.00.10.10.00.00.00.00.00.00.0-0.00.00.00.00.01.2
Percentage of InterestAndDividendIncomeOperating0.10.10.10.10.1-0.0-0.00.0-0.0-0.0-0.1-0.00.00.00.2-0.20.00.10.10.00.00.00.00.00.00.00.00.00.00.00.00.9
Percentage of InterestAndDividendIncomeOperating us-gaap:IntersegmentElimination-5.4-7.40.0-2.9-1.90.80.0-0.00.71.10.00.4-0.0-0.00.01.7-0.0-0.80.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-0.0-0.0-0.00.0-10.0

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

us-gaap:OperatingSegments, ms:InstitutionalSecuritiesSegment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value19242635244616632203799105911181139140572011561487
Percentage of ProfitLoss54.863.271.760.568.144.945.950.450.756.946.253.760.3
Percentage of InterestAndDividendIncomeOperating87.0108.1109.080.993.422.826.825.725.332.817.531.945.1
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:InstitutionalSecuritiesSegment220.4271.60.0153.1169.533.00.035.934.646.00.047.767.7

us-gaap:OperatingSegments, ms:InvestmentManagementSegment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3222891612431771183581381551417486104
Percentage of ProfitLoss9.26.94.78.85.56.615.56.26.95.74.74.04.2
Percentage of InterestAndDividendIncomeOperating14.611.97.211.87.53.49.13.23.43.31.82.43.2
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:InvestmentManagementSegment3220.03612.50.03471.42528.61475.00.03450.02583.33525.00.0452.6611.8

us-gaap:OperatingSegments, ms:WealthManagementSegment


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value12641242802842853864889962953924769913876
Percentage of ProfitLoss36.029.823.530.626.448.538.643.442.437.449.442.435.5
Percentage of InterestAndDividendIncomeOperating57.151.035.741.036.224.722.522.121.121.518.725.226.6
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments ms:WealthManagementSegment92.583.60.079.170.572.40.069.870.765.40.064.766.4

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
Value618518510254394154328233299293177217205321251257249269342302275217268225316295327304318311330291294265-7.028024637229427838834028330630137077
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
Value3117-22561.0-460.0-3820.0-12510.0-21108.0-7840.0-7899.0-10595.0-7227.0-8815.0-4763.0-2381.0-6922.0-3563.0-11523.04863-2168.0-4520.0-7386.0-3359.0-3244.0-2054.0-10481.02817-2696.0-3789.0-3135.023432545-5033.0-4510.0-802.0-18812.0-107.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating140.9-925.8-20.5-185.8-530.5-602.6-198.4-181.6-235.1-168.5-214.4-131.3-72.3-242.0-137.8-492.4230.9-110.3-242.0-563.4-236.2-232.0-138.7-760.0212.9-174.8-222.4-179.2119.7137.3-258.9-243.7-45.9-1083.6-9.8

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
Value485956434859-2674.03645479549214-3919.0-1397.0-15864.010843153611463363-1272.010168464327221282519198-6227.0-4162.010712-2070.0-7658.0-12881.0-5547.0-2349.0-68.02816-1417.010080-6078.0157812774
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating21.9392.41552.7-130.1154.61368.9233.1-90.1-31.0-369.8263.842.3348.012.7-49.2434.5220.5138.5686.61464.4-437.9-297.7723.3-150.1-578.8-835.3-325.5-134.3-3.5151.9-72.9544.6-347.990.91173.0

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
Value746755731680640688545670749663587673516599523608443511435520355436359423363310252265244143117119120119120119118112120120292302289285289293
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

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value2286139410618411043985155518211719223115451558
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value307328922734341558106981876190499005914293579173
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value75575510801594185118042228409640654045371140523466
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value23615614314416413934384860655105
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ms:AssetManagementFees

ms:AssetManagementFees


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4973439839263664326534173451336332203049326632513189319231023026
Percentage of AssetManagementFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ms:AssetManagementFees us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-40.0-35.0-37.0-38.0-41.0-41.0-43.0-40.0-39.0-36.0-35.0-38.0-37.0-39.0-24.0-23.0
Percentage of AssetManagementFees-0.8-0.8-0.9-1.0-1.3-1.2-1.2-1.2-1.2-1.2-1.1-1.2-1.2-1.2-0.8-0.8

ms:AssetManagementFees us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ms:InstitutionalSecuritiesSegment


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value14813911911411511310310010310797112102
Percentage of AssetManagementFees3.03.23.03.13.53.33.03.03.23.53.03.43.2

us-gaap:OperatingSegments, ms:InvestmentManagementSegment


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value14181103869795684665736664612617628604610
Percentage of AssetManagementFees28.525.122.121.720.919.521.319.719.020.219.218.619.1

us-gaap:OperatingSegments, ms:WealthManagementSegment


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3447319129752793250726802655263925442361257625732514
Percentage of AssetManagementFees69.372.675.876.276.878.476.978.579.077.478.979.178.8

ms:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAnnualizedAverageYield us-gaap:FinancialInstrument

ms:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAnnualizedAverageYield

ms:AssetBackedSecuritiesFederalFamilyEducationLoanProgram


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value01.101.18800.0120000.0120
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAnnualizedAverageYield0.0100.00.0100.00.0100.00.00.00.0100.00.0

us-gaap:CorporateBondSecurities


Available
Period End2021-03-312020-12-31
Value1.60
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAnnualizedAverageYield145.50.0

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.31.2-0.51.7800.0200.0010.0030.0160
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAnnualizedAverageYield0.0109.10.0149.80.0166.70.00.00.0133.30.0

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value01.6-0.41.879-0.0020.0230000.0240.001
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAnnualizedAverageYield0.0145.50.0158.20.0191.70.00.00.0200.00.0

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.54.402.673-0.0010.0280.003-0.010.0070.047
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAnnualizedAverageYield0.0400.00.0225.00.0233.30.00.00.0391.7

ms:AvailableForSaleSecuritiesDebtMaturitiesAnnualizedAverageYield

ms:AvailableForSaleSecuritiesDebtMaturitiesAnnualizedAverageYield


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-03-312017-12-312017-09-302017-06-302017-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value01.4-0.21.584-0.0040.02-0.00100.01600.00100.0140.001000.010000.01
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAnnualizedAverageYield0.0100.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.0100.00.00.0100.00.00.00.0100.0

ms:AvailableForSaleSecuritiesDebtMaturitiesAnnualizedAverageYield us-gaap:FinancialInstrument

ms:CorporateandOtherDebtSecurities


Available
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-0.82.27700.0230-0.002
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAnnualizedAverageYield400.0143.7-0.0115.0-0.00.0

us-gaap:USTreasuryAndGovernment


Available
Period End2020-12-312020-09-302020-06-302020-03-312019-03-312018-12-31
Value-0.11.484-0.0030.0190.0210.001
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAnnualizedAverageYield50.093.775.095.00.00.0

ms:AvailableForSaleSecuritiesDebtMaturitiesNextTwelveMonthsAnnualizedAverageYield us-gaap:FinancialInstrument

ms:AvailableForSaleSecuritiesDebtMaturitiesNextTwelveMonthsAnnualizedAverageYield

ms:AssetBackedSecuritiesFederalFamilyEducationLoanProgram


Available
Period End2021-06-302021-03-31
Value00.8
Percentage of AvailableForSaleSecuritiesDebtMaturitiesNextTwelveMonthsAnnualizedAverageYield0.0100.0

us-gaap:CorporateBondSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2.4-0.12.4760.0010.023-0.0060.00900.0140
Percentage of AvailableForSaleSecuritiesDebtMaturitiesNextTwelveMonthsAnnualizedAverageYield300.00.00.00.00.00.00.00.00.00.0

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Available
Period End2021-06-302021-03-312020-12-312018-12-31
Value-0.22.0-1.3-0.005
Percentage of AvailableForSaleSecuritiesDebtMaturitiesNextTwelveMonthsAnnualizedAverageYield0.0250.00.00.0

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value01.50.60.79200.008-0.0110.0100.0110
Percentage of AvailableForSaleSecuritiesDebtMaturitiesNextTwelveMonthsAnnualizedAverageYield0.0187.50.00.00.00.00.00.00.00.00.0

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-31
Value0.11.80
Percentage of AvailableForSaleSecuritiesDebtMaturitiesNextTwelveMonthsAnnualizedAverageYield0.0225.00.0

us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.21.20.20.891-0.0110.020.0010.0010.0030.0170.003
Percentage of AvailableForSaleSecuritiesDebtMaturitiesNextTwelveMonthsAnnualizedAverageYield0.0150.00.00.00.00.00.00.00.00.00.0

ms:AvailableForSaleSecuritiesDebtMaturitiesYearSixThroughTenAnnualizedAverageYield us-gaap:FinancialInstrument

ms:AvailableForSaleSecuritiesDebtMaturitiesYearSixThroughTenAnnualizedAverageYield

ms:AssetBackedSecuritiesFederalFamilyEducationLoanProgram


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-0.10.80.10.792-0.0010.0090000.0080
Percentage of AvailableForSaleSecuritiesDebtMaturitiesYearSixThroughTenAnnualizedAverageYield100.0100.0100.0100.0100.0100.00.00.00.0100.00.0

us-gaap:CorporateBondSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2.2-0.12.67100.029-0.001-0.00300.033-0.001
Percentage of AvailableForSaleSecuritiesDebtMaturitiesYearSixThroughTenAnnualizedAverageYield275.0-100.0337.2-0.0322.20.00.00.0412.50.0

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.11.5-1.12.47500.0250-0.003-0.0040.0320
Percentage of AvailableForSaleSecuritiesDebtMaturitiesYearSixThroughTenAnnualizedAverageYield-100.0187.5-1100.0312.5-0.0277.80.00.00.0400.00.0

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value01.8-0.11.78200.0180000.0180
Percentage of AvailableForSaleSecuritiesDebtMaturitiesYearSixThroughTenAnnualizedAverageYield-0.0225.0-100.0225.0-0.0200.00.00.00.0225.00.0

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.12.4-0.22.574-0.0050.031-0.006-0.00700.035
Percentage of AvailableForSaleSecuritiesDebtMaturitiesYearSixThroughTenAnnualizedAverageYield100.0300.0-200.0325.0500.0344.40.00.00.0437.5

us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.21.0-0.51.68400.0160-0.001-0.0030.0210.005
Percentage of AvailableForSaleSecuritiesDebtMaturitiesYearSixThroughTenAnnualizedAverageYield-200.0125.0-500.0212.6-0.0177.80.00.00.0262.50.0

ms:AvailableForSaleSecuritiesDebtMaturitiesYearTwoThroughFiveAnnualizedAverageYield us-gaap:FinancialInstrument

ms:AvailableForSaleSecuritiesDebtMaturitiesYearTwoThroughFiveAnnualizedAverageYield

ms:AssetBackedSecuritiesFederalFamilyEducationLoanProgram


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.10.800.79200.0080000.0080
Percentage of AvailableForSaleSecuritiesDebtMaturitiesYearTwoThroughFiveAnnualizedAverageYield100.0100.00.0100.00.0100.00.00.00.0100.00.0

ms:AssetBackedSecuritiesOther


Available
Period End2021-03-31
Value0.4
Percentage of AvailableForSaleSecuritiesDebtMaturitiesYearTwoThroughFiveAnnualizedAverageYield50.0

us-gaap:CorporateBondSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2.702.57400.0260000.0260.001
Percentage of AvailableForSaleSecuritiesDebtMaturitiesYearTwoThroughFiveAnnualizedAverageYield337.50.0325.00.0325.00.00.00.0325.00.0

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.31.3-0.81.78200.01800.0020.0020.0140.001
Percentage of AvailableForSaleSecuritiesDebtMaturitiesYearTwoThroughFiveAnnualizedAverageYield300.0162.50.0225.00.0225.00.00.00.0175.00.0

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-0.21.5-0.11.58600.0140.003000.0110
Percentage of AvailableForSaleSecuritiesDebtMaturitiesYearTwoThroughFiveAnnualizedAverageYield-200.0187.50.0200.30.0175.00.00.00.0137.50.0

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value-0.42.2-0.52.1640.0020.0340.009-0.0120.013
Percentage of AvailableForSaleSecuritiesDebtMaturitiesYearTwoThroughFiveAnnualizedAverageYield-400.0275.00.0273.20.0425.00.00.00.0

us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-0.11.4-0.11.486-0.0030.0170-0.00100.0190.001
Percentage of AvailableForSaleSecuritiesDebtMaturitiesYearTwoThroughFiveAnnualizedAverageYield-100.0175.00.0187.60.0212.50.00.00.0237.50.0

ms:DerivativeInstrumentsGainLossRecognizedinOtherComprehensiveIncomeLoss us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

ms:DerivativeInstrumentsGainLossRecognizedinOtherComprehensiveIncomeLoss

us-gaap:ForeignExchangeContract, us-gaap:NetInvestmentHedging


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-106.0405-420.0-260.0-96.0410-187.0251-114.064
Percentage of DerivativeInstrumentsGainLossRecognizedinOtherComprehensiveIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ms:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesAndOriginations us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

ms:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesAndOriginations

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, ms:CorporateandOtherDebtSecurities


Fair
Period End2021-06-302021-03-312020-06-302020-03-31
Value8838672859585
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesAndOriginations100.0100.0100.0100.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:SeniorDebtObligations


Fair
Period End2021-06-302021-03-312020-06-302020-03-31
Value152718338081952
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesAndOriginations172.9211.428.3333.7

ms:FinancingReceivableAllowanceForCreditLossesOther

ms:FinancingReceivableAllowanceForCreditLossesOther


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value-1.05.0-7.0-7.0-2.01.0-1.02.012-6.00.0-8.0-2.00.0-1.01.0-16.0
Percentage of FinancingReceivableAllowanceForCreditLossesOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0

ms:FinancingReceivableAllowanceForCreditLossesOther us-gaap:FinancingReceivablePortfolioSegment

ms:SecuredLendingFacilities


Financing
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-30
Value0.02.0-2.0-1.00.00.0
Percentage of FinancingReceivableAllowanceForCreditLossesOther-0.040.028.614.3-0.00.0

ms:SecuritiesBasedLendingandOtherLoans


Financing
Period End2020-12-312020-09-30
Value1.00.0
Percentage of FinancingReceivableAllowanceForCreditLossesOther-14.3-0.0

us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value-1.02.0-3.0-2.0-1.00.00.01.012-6.00.0-1.00.0-1.0-2.01.0-16.0
Percentage of FinancingReceivableAllowanceForCreditLossesOther100.040.042.928.650.00.0-0.050.0100.0100.00.012.5-0.00.0200.0100.0100.0

us-gaap:CommercialRealEstatePortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value0.01.0-3.0-4.0371.0-1.01.00.00.00.0-8.0-1.01.01.00.00.0
Percentage of FinancingReceivableAllowanceForCreditLossesOther-0.020.042.957.1-1850.0100.0100.050.00.0-0.00.0100.050.00.0-100.00.0-0.0

ms:FinancingReceivableAllowanceForCreditLossesWriteDownsNetOfRecoveries

ms:FinancingReceivableAllowanceForCreditLossesWriteDownsNetOfRecoveries


Financing
Period End2020-12-312020-09-302018-12-312018-09-302017-12-312017-09-302016-12-31
Value43232.03.00.075-1.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteDownsNetOfRecoveries100.0100.0100.0100.00.0100.0100.0

ms:FinancingReceivableAllowanceForCreditLossesWriteDownsNetOfRecoveries us-gaap:FinancingReceivablePortfolioSegment

ms:SecuritiesBasedLendingandOtherLoans


Financing
Period End2020-12-312020-09-30
Value-1.00.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteDownsNetOfRecoveries-2.30.0

us-gaap:CommercialPortfolioSegment


Financing
Period End2020-12-312020-09-302018-12-312018-09-302017-12-312017-09-302016-12-31
Value5.0-3.01.03.00.075-2.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteDownsNetOfRecoveries11.6-13.050.0100.00.0100.0200.0

us-gaap:CommercialRealEstatePortfolioSegment


Financing
Period End2020-12-312020-09-302018-12-312018-09-302017-12-312017-09-302016-12-31
Value38260.00.00.00.00.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteDownsNetOfRecoveries88.4113.00.00.00.00.0-0.0

ms:FinancingReceivableAllowanceforCreditLossEffectofAccountingUpdateAdoption

ms:FinancingReceivableAllowanceforCreditLossEffectofAccountingUpdateAdoption


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.09.0
Percentage of FinancingReceivableAllowanceforCreditLossEffectofAccountingUpdateAdoption0.00.00.0100.0

ms:FinancingReceivableAllowanceforCreditLossEffectofAccountingUpdateAdoption us-gaap:FinancingReceivablePortfolioSegment

ms:SecuredLendingFacilities


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.0-42.0
Percentage of FinancingReceivableAllowanceforCreditLossEffectofAccountingUpdateAdoption0.00.00.0-466.7

ms:SecuritiesBasedLendingandOtherLoans


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.0-2.0
Percentage of FinancingReceivableAllowanceforCreditLossEffectofAccountingUpdateAdoption0.00.00.0-22.2

us-gaap:CommercialPortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.029-31.0
Percentage of FinancingReceivableAllowanceforCreditLossEffectofAccountingUpdateAdoption0.00.00.0-344.4

us-gaap:CommercialRealEstatePortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.09.025
Percentage of FinancingReceivableAllowanceforCreditLossEffectofAccountingUpdateAdoption0.00.00.0277.8

us-gaap:ResidentialPortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.021
Percentage of FinancingReceivableAllowanceforCreditLossEffectofAccountingUpdateAdoption0.00.00.0233.3

ms:FinancingReceivableAndOffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal

ms:FinancingReceivableAndOffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal


Financing
Period End2021-06-302020-06-30
Value73239
Percentage of FinancingReceivableAndOffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal100.0100.0

ms:FinancingReceivableAndOffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ms:InstitutionalSecuritiesSegment


Financing
Period End2021-06-302020-06-30
Value70217
Percentage of FinancingReceivableAndOffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal95.990.8

us-gaap:OperatingSegments, ms:WealthManagementSegment


Financing
Period End2021-06-302020-06-30
Value3.022
Percentage of FinancingReceivableAndOffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal4.19.2

ms:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsAnnualizedAverageYield us-gaap:FinancialInstrument

ms:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsAnnualizedAverageYield

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-0.24.00.63.75600.044-0.016-0.00700.0440.004
Percentage of HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsAnnualizedAverageYield100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Held
Period End2021-06-302021-03-31
Value01.5
Percentage of HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsAnnualizedAverageYield-0.037.5

us-gaap:USGovernmentAgenciesDebtSecurities


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-0.11.7-0.41.97600.02400-0.0010.0270.001
Percentage of HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsAnnualizedAverageYield50.042.5-66.752.60.054.5-0.0-0.00.061.425.0

us-gaap:USTreasurySecurities


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.32.202.47500.0250000.0250
Percentage of HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsAnnualizedAverageYield-150.055.00.065.90.056.8-0.0-0.00.056.80.0

ms:HeldToMaturitySecuritiesDebtMaturitiesAnnualizedAverageYield

ms:HeldToMaturitySecuritiesDebtMaturitiesAnnualizedAverageYield


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-0.11.8-0.42.17700.023-0.001-0.00100.0250.002000.0220
Percentage of HeldToMaturitySecuritiesDebtMaturitiesAnnualizedAverageYield100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.00.00.0100.00.0

ms:HeldToMaturitySecuritiesDebtMaturitiesAnnualizedAverageYield us-gaap:FinancialInstrument

ms:CorporateandOtherDebtSecurities


Held
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-1.93.861-0.0010.04-0.001-0.002
Percentage of HeldToMaturitySecuritiesDebtMaturitiesAnnualizedAverageYield475.0177.40.0173.9100.0200.0

us-gaap:USTreasuryAndGovernment


Held
Period End2020-12-312020-09-302020-06-302020-03-312019-03-312018-12-31
Value-0.42.17800.0220.0250.002
Percentage of HeldToMaturitySecuritiesDebtMaturitiesAnnualizedAverageYield100.0100.00.095.7100.0100.0

ms:HeldToMaturitySecuritiesDebtMaturitiesNextTwelveMonthsAnnualizedAverageYield us-gaap:FinancialInstrument

ms:HeldToMaturitySecuritiesDebtMaturitiesNextTwelveMonthsAnnualizedAverageYield

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value04.5-0.14.553-0.0010.0480.00100.0040.0440
Percentage of HeldToMaturitySecuritiesDebtMaturitiesNextTwelveMonthsAnnualizedAverageYield0.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Held
Period End2021-06-302021-03-31
Value02.4
Percentage of HeldToMaturitySecuritiesDebtMaturitiesNextTwelveMonthsAnnualizedAverageYield0.053.3

us-gaap:USTreasurySecurities


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-0.12.0-0.32.5730.0010.0260.0030.0060.0020.0140
Percentage of HeldToMaturitySecuritiesDebtMaturitiesNextTwelveMonthsAnnualizedAverageYield0.044.4300.056.5-100.054.2300.00.050.031.80.0

ms:HeldToMaturitySecuritiesDebtMaturitiesYearSixThroughTenAnnualizedAverageYield us-gaap:FinancialInstrument

ms:HeldToMaturitySecuritiesDebtMaturitiesYearSixThroughTenAnnualizedAverageYield

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value03.703.762-0.0010.0390.012000.0410
Percentage of HeldToMaturitySecuritiesDebtMaturitiesYearSixThroughTenAnnualizedAverageYield0.0100.00.0100.0100.0100.0100.00.00.0100.00.0

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Held
Period End2021-06-302021-03-31
Value0.21.2
Percentage of HeldToMaturitySecuritiesDebtMaturitiesYearSixThroughTenAnnualizedAverageYield0.032.4

us-gaap:USGovernmentAgenciesDebtSecurities


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value02.00.11.880.0020.018-0.001000.0190
Percentage of HeldToMaturitySecuritiesDebtMaturitiesYearSixThroughTenAnnualizedAverageYield0.054.10.050.0-200.046.2-8.30.00.046.30.0

us-gaap:USTreasurySecurities


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.12.302.17800.02200-0.0010.0230.003
Percentage of HeldToMaturitySecuritiesDebtMaturitiesYearSixThroughTenAnnualizedAverageYield0.062.20.057.9-0.056.40.00.00.056.10.0

ms:HeldToMaturitySecuritiesDebtMaturitiesYearTwoThroughFiveAnnualizedAverageYield us-gaap:FinancialInstrument

ms:HeldToMaturitySecuritiesDebtMaturitiesYearTwoThroughFiveAnnualizedAverageYield

us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprises


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value02.7-0.53.664-0.0010.0370.015-0.002-0.0060.0480
Percentage of HeldToMaturitySecuritiesDebtMaturitiesYearTwoThroughFiveAnnualizedAverageYield0.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprises


Held
Period End2021-06-302021-03-31
Value-0.11.4
Percentage of HeldToMaturitySecuritiesDebtMaturitiesYearTwoThroughFiveAnnualizedAverageYield0.051.9

us-gaap:USTreasurySecurities


Held
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value01.7-0.11.9800.02-0.001-0.001-0.0010.0240.003
Percentage of HeldToMaturitySecuritiesDebtMaturitiesYearTwoThroughFiveAnnualizedAverageYield0.063.020.054.0-0.054.1-6.750.016.750.00.0

ms:IncomeTaxExpenseBenefitDiscreteItemRemeasurementOfReservesAndRelatedInterest

ms:IncomeTaxExpenseBenefitDiscreteItemRemeasurementOfReservesAndRelatedInterest


Income
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value-18000000.0-158000000.0-111000000.0-168000000.0-135000000.0
Percentage of IncomeTaxExpenseBenefitDiscreteItemRemeasurementOfReservesAndRelatedInterest100.0100.0100.0100.0100.0

ms:IncomeTaxExpenseBenefitDiscreteItemRemeasurementOfReservesAndRelatedInterestAndOthers

ms:IncomeTaxExpenseBenefitDiscreteItemRemeasurementOfReservesAndRelatedInterestAndOthers


Income
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value113-134.031890.01014.0
Percentage of IncomeTaxExpenseBenefitDiscreteItemRemeasurementOfReservesAndRelatedInterestAndOthers100.0100.0100.0100.00.0100.0100.0

ms:IncreaseDecreaseInSecuritiesPurchasedUnderAgreementsToResell

ms:IncreaseDecreaseInSecuritiesPurchasedUnderAgreementsToResell


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
Value-18791.0-1513.027951-8329.0-8188.016576-5143.07969-11172.0-1952.029436-24842.013682-4012.0-5848.0-7302.0-7415.0286811376-7010.0-1185.011117-39549.020446155287944-15706.0-9962.01380-10554.0-15858.0-8506.020796003-1870.0-11706.0115376296-39669.0-11166.01806714670-5699.090906229-4575.016290
Percentage of IncreaseDecreaseInSecuritiesPurchasedUnderAgreementsToResell100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ms:InterestExpenseCustomerPayablesAndOther

ms:InterestExpenseCustomerPayablesAndOther


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-596.0-539.0-591.0-487.0-494.02353907279078347565494111867960-65.0
Percentage of InterestExpenseCustomerPayablesAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ms:InterestExpenseSecuritiesSoldUnderAgreementsToRepurchaseAndSecuritiesLoaned

ms:InterestExpenseSecuritiesSoldUnderAgreementsToRepurchaseAndSecuritiesLoaned


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value116114100165209509593681735600572478446402325325339248216228
Percentage of InterestExpenseSecuritiesSoldUnderAgreementsToRepurchaseAndSecuritiesLoaned100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ms:InterestIncomeSecuritiesPurchasedUnderAgreementsToResellAndSecuritiesBorrowed

ms:InterestIncomeSecuritiesPurchasedUnderAgreementsToResellAndSecuritiesBorrowed


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value-321.0-296.0-264.0-187.0-141.03986208711047947820575366215837629-18.0-59.0-118.0-120.0-78.0-156.0-99.0-200.0-104.0-59.0-103.0-127.0
Percentage of InterestIncomeSecuritiesPurchasedUnderAgreementsToResellAndSecuritiesBorrowed100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ms:InterestIncomeTradingAssetsNetOfTradingLiabilities

ms:InterestIncomeTradingAssetsNetOfTradingLiabilities


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value486510515537616749711728747713705571576540568506491463480526
Percentage of InterestIncomeTradingAssetsNetOfTradingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ms:InvestmentCompanyRegulatoryFeeWaived

ms:InvestmentCompanyRegulatoryFeeWaived


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-30
Value1319465372211111110.0111111161820203026
Percentage of InvestmentCompanyRegulatoryFeeWaived100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ms:InvestmentSecuritiesDebtMaturitiesAnnualizedAverageYield

ms:InvestmentSecuritiesDebtMaturitiesAnnualizedAverageYield


Investment
Period End2021-06-302021-03-312020-12-31
Value01.6-0.2
Percentage of InvestmentSecuritiesDebtMaturitiesAnnualizedAverageYield0.0100.0100.0

ms:NoninterestExpenseExcludingLaborAndRelatedExpense

ms:NoninterestExpenseExcludingLaborAndRelatedExpense


Noninterest
Period End2021-06-302021-03-312020-06-302020-03-31
Value3697367530312943
Percentage of NoninterestExpenseExcludingLaborAndRelatedExpense100.0100.0100.0100.0

ms:NoninterestExpenseExcludingLaborAndRelatedExpense us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Noninterest
Period End2021-06-302021-03-312020-06-302020-03-31
Value-132.0-134.0-133.0-145.0
Percentage of NoninterestExpenseExcludingLaborAndRelatedExpense-3.6-3.6-4.4-4.9

ms:NoninterestExpenseExcludingLaborAndRelatedExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ms:InstitutionalSecuritiesSegment


Noninterest
Period End2021-06-302021-03-312020-06-302020-03-31
Value2091218520372026
Percentage of NoninterestExpenseExcludingLaborAndRelatedExpense56.659.567.268.8

us-gaap:OperatingSegments, ms:InvestmentManagementSegment


Noninterest
Period End2021-06-302021-03-312020-06-302020-03-31
Value557430316292
Percentage of NoninterestExpenseExcludingLaborAndRelatedExpense15.111.710.49.9

us-gaap:OperatingSegments, ms:WealthManagementSegment


Noninterest
Period End2021-06-302021-03-312020-06-302020-03-31
Value11811194811770
Percentage of NoninterestExpenseExcludingLaborAndRelatedExpense31.932.526.826.2

ms:OffBalanceSheetLoanCommitmentsAllowanceForCreditExposuresOtherIncreaseDecrease

ms:OffBalanceSheetLoanCommitmentsAllowanceForCreditExposuresOtherIncreaseDecrease


Off
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302015-03-312013-12-312013-09-30
Value-1000000.02000000.04000000.0-2000000.01000000.0-3000000.0-1000000.0-1000000.0-1000000.0-2000000.0-1000000.0001000000.0-1000000.0-6000000.0-1000000.000
Percentage of OffBalanceSheetLoanCommitmentsAllowanceForCreditExposuresOtherIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.00.00.0

ms:OffBalanceSheetLoanCommitmentsAllowanceForCreditExposuresOtherIncreaseDecrease us-gaap:FinancingReceivablePortfolioSegment

ms:SecuredLendingFacilities


Off
Period End2021-06-302021-03-31
Value0-1000000.0
Percentage of OffBalanceSheetLoanCommitmentsAllowanceForCreditExposuresOtherIncreaseDecrease-0.0-50.0

ms:SecuritiesBasedLendingandOtherLoans


Off
Period End2021-03-312020-12-312020-09-302019-12-312019-09-30
Value1000000.00000
Percentage of OffBalanceSheetLoanCommitmentsAllowanceForCreditExposuresOtherIncreaseDecrease50.00.00.00.0-0.0

us-gaap:CommercialPortfolioSegment


Off
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value01000000.03000000.0-1000000.00-3000000.0-1000000.00-1000000.0-2000000.0000-1000000.0
Percentage of OffBalanceSheetLoanCommitmentsAllowanceForCreditExposuresOtherIncreaseDecrease-0.050.075.050.00.0100.0100.0-0.0100.0100.0-0.00.00.0100.0

us-gaap:CommercialRealEstatePortfolioSegment


Off
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value01000000.0005000000.0-1000000.0000000-1000000.0000
Percentage of OffBalanceSheetLoanCommitmentsAllowanceForCreditExposuresOtherIncreaseDecrease-0.050.00.00.0125.050.00.0-0.0-0.0-0.0-0.0-0.0100.00.00.0-0.0

ms:OffbalancesheetLoanCommitmentsAllowanceforCreditExposuresEffectofAccountingUpdateAdoption

ms:OffbalancesheetLoanCommitmentsAllowanceforCreditExposuresEffectofAccountingUpdateAdoption


Offbalancesheet
Period End2020-12-312020-09-302020-06-302020-03-31
Value000-50000000.0
Percentage of OffbalancesheetLoanCommitmentsAllowanceforCreditExposuresEffectofAccountingUpdateAdoption0.00.00.0100.0

ms:OffbalancesheetLoanCommitmentsAllowanceforCreditExposuresEffectofAccountingUpdateAdoption us-gaap:FinancingReceivablePortfolioSegment

ms:SecuredLendingFacilities


Offbalancesheet
Period End2020-12-312020-09-302020-06-302020-03-31
Value000-11000000.0
Percentage of OffbalancesheetLoanCommitmentsAllowanceforCreditExposuresEffectofAccountingUpdateAdoption0.00.00.022.0

ms:SecuritiesBasedLendingandOtherLoans


Offbalancesheet
Period End2020-12-312020-09-302020-06-302020-03-31
Value000-1000000.0
Percentage of OffbalancesheetLoanCommitmentsAllowanceforCreditExposuresEffectofAccountingUpdateAdoption0.00.00.02.0

us-gaap:CommercialPortfolioSegment


Offbalancesheet
Period End2020-12-312020-09-302020-06-302020-03-31
Value0012000000.0-53000000.0
Percentage of OffbalancesheetLoanCommitmentsAllowanceforCreditExposuresEffectofAccountingUpdateAdoption0.00.00.0106.0

us-gaap:CommercialRealEstatePortfolioSegment


Offbalancesheet
Period End2020-12-312020-09-302020-06-302020-03-31
Value0001000000.0
Percentage of OffbalancesheetLoanCommitmentsAllowanceforCreditExposuresEffectofAccountingUpdateAdoption0.00.00.0-2.0

us-gaap:ResidentialPortfolioSegment


Offbalancesheet
Period End2020-12-312020-09-302020-06-302020-03-31
Value00-1000000.03000000.0
Percentage of OffbalancesheetLoanCommitmentsAllowanceforCreditExposuresEffectofAccountingUpdateAdoption0.00.00.0-6.0

ms:OtherComprehensiveIncomeLossDebtValuationAdjustmentNetOfTax

ms:OtherComprehensiveIncomeLossDebtValuationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value186137-1772.0-563.0-2496.03803-1110.0337-246.0-620.01170-743.0639451-265.0-149.0-183.09.0-551.0-93.01452030.00.00.00.0
Percentage of OtherComprehensiveIncomeLossDebtValuationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

ms:PaymentsRelatedToCommonStockRepurchaseAndTaxWithholdingForShareBasedCompensation

ms:PaymentsRelatedToCommonStockRepurchaseAndTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value30182582503028178215071538126416451186120713051868128412995481161102512796539766383608-2312.08392862082926722401378.0306
Percentage of PaymentsRelatedToCommonStockRepurchaseAndTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ms:ProceedsFromMaturitiesOfMarketableSecurities

ms:ProceedsFromMaturitiesOfMarketableSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value11841126381327756243238237838293143237726633542265743442125206717101597207124112449197115361378148915061290123612621172981
Percentage of ProceedsFromMaturitiesOfMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ms:ProceedsFromRepaymentsOfOtherSecuredFinancings

ms:ProceedsFromRepaymentsOfOtherSecuredFinancings


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
Value2691-3798.02565-103.0732594282-801.01789-1575.0648401-174.0-2101.0-2973.0-2872.040731991611-209.0260-329.0-693.0-1397.0-679.0399-464.0-1919.01913-1719.0-9331.0366-2262.0501-2337.0531-3148.0-1674.0162-1471.08642312-342.0-42.0-1825.0145812
Percentage of ProceedsFromRepaymentsOfOtherSecuredFinancings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ms:ProceedsFromSaleOfMarketableSecurities

ms:ProceedsFromSaleOfMarketableSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value107216825653036394533128359036921994787526171614218102020257899293604475686861175985155138628712691138101768571336461853
Percentage of ProceedsFromSaleOfMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ms:ProportionOfInvestmentBankingRevenueRecognizedUnderNewAccountingPronouncement

ms:ProportionOfInvestmentBankingRevenueRecognizedUnderNewAccountingPronouncement


Proportion
Period End2021-06-302021-03-312020-06-302020-03-31
Value90.092.092.089.0
Percentage of ProportionOfInvestmentBankingRevenueRecognizedUnderNewAccountingPronouncement100.0100.0100.0100.0

ms:ProportionOfInvestmentBankingRevenueRecognizedUnderNewAccountingPronouncement us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccountingStandardsUpdate201409


Proportion
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
Value095.00.920.8989.10.850.90.850.010.850.850.85
Percentage of ProportionOfInvestmentBankingRevenueRecognizedUnderNewAccountingPronouncement0.00.01.01.00.00.00.00.00.00.00.00.0

ms:ProvisionForLoansAndLoanCommitments

ms:ProvisionForLoansAndLoanCommitments


Provision
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-98.05.011123940758501836122.0-55.026-3.07.00.0256.0
Percentage of ProvisionForLoansAndLoanCommitments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

ms:ProvisionForLoansAndLoanCommitments us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ms:InstitutionalSecuritiesSegment


Provision
Period End2021-03-312020-03-31
Value-93.0388
Percentage of ProvisionForLoansAndLoanCommitments94.995.3

us-gaap:OperatingSegments, ms:WealthManagementSegment


Provision
Period End2021-03-312020-03-31
Value-5.019
Percentage of ProvisionForLoansAndLoanCommitments5.14.7

ms:ProvisionforReleaseofLendingCommitments

ms:ProvisionforReleaseofLendingCommitments


Provisionfor
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-40.04748-7.01156.01611
Percentage of ProvisionforReleaseofLendingCommitments100.0100.0100.0100.0100.0100.0100.0100.0

ms:ProvisionforReleaseofLendingCommitments us-gaap:FinancingReceivablePortfolioSegment

ms:SecuredLendingFacilities


Provisionfor
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-4.0-2.0-2.010.0164.00.0
Percentage of ProvisionforReleaseofLendingCommitments10.0-4.3-4.2-142.913.966.70.0

ms:SecuritiesBasedLendingandOtherLoans


Provisionfor
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value-1.07.04.00.03.0
Percentage of ProvisionforReleaseofLendingCommitments2.514.98.3-0.02.6

us-gaap:CommercialPortfolioSegment


Provisionfor
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-33.04246-18.0910.017
Percentage of ProvisionforReleaseofLendingCommitments82.589.495.8257.179.10.0106.2

us-gaap:CommercialRealEstatePortfolioSegment


Provisionfor
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-2.00.00.02.05.02.00.0
Percentage of ProvisionforReleaseofLendingCommitments5.00.00.0-28.64.333.30.0

ms:RevenueFromContractWithCustomerPerformanceObligationsFullyOrPartiallySatisfiedInPriorPeriods

ms:RevenueFromContractWithCustomerPerformanceObligationsFullyOrPartiallySatisfiedInPriorPeriods


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
Value677541682556680614710841725671629804862902
Percentage of RevenueFromContractWithCustomerPerformanceObligationsFullyOrPartiallySatisfiedInPriorPeriods100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

ms:ShareRepurchaseProgramOwnershipProportionMaximumPercent ms:JointVenturesByPartner

ms:ShareRepurchaseProgramOwnershipProportionMaximumPercent

ms:MitsubishiUfjFinancialGroupInc


Share
Period End2020-12-31
Value0
Percentage of ShareRepurchaseProgramOwnershipProportionMaximumPercent0.0

ms:TransactionTaxes

ms:TransactionTaxes


Transaction
Period End2021-06-302021-03-312020-06-302020-03-31
Value217238146184
Percentage of TransactionTaxes100.0100.0100.0100.0

ms:TreasuryStockValueAcquiredCostMethodAndEmployeeTaxWithholdings us-gaap:StatementEquityComponents

ms:TreasuryStockValueAcquiredCostMethodAndEmployeeTaxWithholdings

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value30182582503028178215071538126416451186120713051868
Percentage of TreasuryStockValueAcquiredCostMethodAndEmployeeTaxWithholdings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BrokerageCommissionsRevenue

us-gaap:BrokerageCommissionsRevenue


Brokerage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1308162613521037110213609849909799661046932103911731064937
Percentage of BrokerageCommissionsRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BrokerageCommissionsRevenue us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination


Brokerage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-89.0-95.0-106.0-80.0-88.0-102.0-87.0-70.0-74.0-61.0-73.0-66.0-77.0-69.0-29.0-26.0
Percentage of BrokerageCommissionsRevenue-6.8-5.8-7.8-7.7-8.0-7.5-8.8-7.1-7.6-6.3-7.0-7.1-7.4-5.9-2.7-2.8

us-gaap:BrokerageCommissionsRevenue us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, ms:InstitutionalSecuritiesSegment


Brokerage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value682870705639717874595643625621664589674
Percentage of BrokerageCommissionsRevenue52.153.552.161.665.164.360.564.963.864.363.563.264.9

us-gaap:OperatingSegments, ms:InvestmentManagementSegment


Brokerage
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1.00.01.00.00.00.01.00.00.00.00.00.0
Percentage of BrokerageCommissionsRevenue0.10.00.10.00.00.00.10.00.00.00.00.0

us-gaap:OperatingSegments, ms:WealthManagementSegment


Brokerage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value714851753477473588476416428406455409442
Percentage of BrokerageCommissionsRevenue54.652.355.746.042.943.248.442.043.742.043.543.942.5

us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued us-gaap:BusinessAcquisition, us-gaap:StatementClassOfStock

us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued

ms:ETRADEFinancialCorporation, us-gaap:CommonClassA


Business
Period End2020-10-02
Value233
Percentage of BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued100.0

ms:EatonVanceCorp., us-gaap:CommonClassA


Business
Period End2021-03-01
Value69
Percentage of BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued0.0

us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued us-gaap:BusinessAcquisition, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

ms:ETRADEFinancialCorporation, us-gaap:CommonClassA, us-gaap:SubsequentEvent


Business
Period End2020-10-02
Value233
Percentage of BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued100.0

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss

ms:EatonVanceCorp.


Business
Period End2021-06-302021-03-312020-06-302020-03-31
Value3512426832821409
Percentage of BusinessAcquisitionsProFormaNetIncomeLoss100.0100.0100.0100.0

us-gaap:BusinessAcquisitionsProFormaRevenue us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionsProFormaRevenue

ms:EatonVanceCorp.


Business
Period End2021-06-302021-03-312020-06-302020-03-31
Value14759160151407610165
Percentage of BusinessAcquisitionsProFormaRevenue100.0100.0100.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

ms:ETRADEFinancialCorporation


Business
Period End2020-10-02
Value11900
Percentage of BusinessCombinationConsiderationTransferred1100.0

ms:EatonVanceCorp.


Business
Period End2021-03-01
Value8700
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

ms:ETRADEFinancialCorporation, us-gaap:SubsequentEvent


Business
Period End2020-10-02
Value11900
Percentage of BusinessCombinationConsiderationTransferred1100.0

ms:EatonVanceCorp., us-gaap:SubsequentEvent


Business
Period End2020-10-08
Value7000
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable us-gaap:BusinessAcquisition, us-gaap:StatementClassOfStock

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable

ms:ETRADEFinancialCorporation, ms:SeriesMPreferredStockandSeriesNPreferredStock


Business
Period End2020-10-02
Value700
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable100.0

ms:ETRADEFinancialCorporation, us-gaap:CommonClassA


Business
Period End2020-10-02
Value11000
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable1571.4

ms:EatonVanceCorp., us-gaap:CommonClassA


Business
Period End2021-03-01
Value5300
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable0.0

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable us-gaap:BusinessAcquisition, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

ms:ETRADEFinancialCorporation, ms:SeriesMPreferredStockandSeriesNPreferredStock, us-gaap:SubsequentEvent


Business
Period End2020-10-02
Value700
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable100.0

ms:ETRADEFinancialCorporation, us-gaap:CommonClassA, us-gaap:SubsequentEvent


Business
Period End2020-10-02
Value11000
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable1571.4

us-gaap:BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual

ms:EatonVanceCorp.


Business
Period End2021-06-302021-03-31
Value11931
Percentage of BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual100.0100.0

us-gaap:BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual

ms:ETRADEFinancialCorporation


Business
Period End2020-12-31
Value600
Percentage of BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual100.0

ms:EatonVanceCorp.


Business
Period End2021-06-302021-03-31
Value535174
Percentage of BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual0.00.0

us-gaap:CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers

us-gaap:CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value16410147902118512969918984711356786517513473347657299562461346317687559975280681941632713397361056273490033007662363460006100580055007500330045003200600040003600710079007100850050005000
Percentage of CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashFlowsBetweenTransfereeAndTransferorReceiptsOnInterestsThatContinueToBeHeldOther

us-gaap:CashFlowsBetweenTransfereeAndTransferorReceiptsOnInterestsThatContinueToBeHeldOther


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-312016-03-31
Value298525792131199111364088297990263528876825841156481730648430631
Percentage of CashFlowsBetweenTransfereeAndTransferorReceiptsOnInterestsThatContinueToBeHeldOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommunicationsAndInformationTechnology

us-gaap:CommunicationsAndInformationTechnology


Communications
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
Value76573369761658956356755753853252951349647847145943342846045642944246744743841540439641142444540547044847449348745946246044844544241241639595
Percentage of CommunicationsAndInformationTechnology100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value7414548551649142753191.05.06.0
Percentage of DebtSecuritiesAvailableForSaleRealizedGain100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value58134315510.04114265310.00.05.03.0
Percentage of DebtSecuritiesAvailableForSaleRealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1611170.06.08.00.01.00.09.01.00.03.0
Percentage of DebtSecuritiesAvailableForSaleRealizedLoss100.0100.0100.00.0100.0100.00.0100.00.0100.0100.00.0100.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312008-12-31
Value10578871406853686824656654675658469468517390413451455434379478464415410369333321413136286326427368356360363425418375217428380379-418.06461037154104
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:ForeignExchangeContract, us-gaap:NetInvestmentHedging


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-14.01.0-3.0-6.0-8.033293042
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:CreditRiskContract, us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedge


Derivative
Period End2021-06-302021-03-312020-06-302020-03-31
Value-44.0-105.0-120.0255
Percentage of DerivativeGainLossOnDerivativeNet314.3-10500.01500.0772.7

us-gaap:DividendsCommonStock

us-gaap:DividendsCommonStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value651635633551550561567577504513449
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value651635633551550561567577504513516524441449
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0

us-gaap:DividendsPreferredStock

us-gaap:DividendsPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value103138119120149108148113170931709317093170931709015678156781557814178119627654
Percentage of DividendsPreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStock us-gaap:StatementClassOfStock

ms:SeriesIPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312015-03-312014-12-312014-09-302014-03-312013-12-312013-09-30
Value161616161616161616161616161616210.00.00.00.0
Percentage of DividendsPreferredStock15.511.613.413.310.714.810.814.29.417.29.417.29.417.220.517.60.00.00.00.0

ms:SeriesJPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.0151616420.0420.0420.0410.042
Percentage of DividendsPreferredStock0.010.913.413.328.20.028.40.024.70.024.10.024.7

ms:SeriesKPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1515141515151415151514151515
Percentage of DividendsPreferredStock14.610.911.812.510.113.99.513.38.816.18.216.18.816.1

ms:SeriesLPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value6.06.05.06.06.06.00.00.0
Percentage of DividendsPreferredStock5.84.34.25.04.05.60.00.0

ms:SeriesMPreferredStock


Dividends
Period End2021-06-302021-03-31
Value0.012
Percentage of DividendsPreferredStock0.08.7

ms:SeriesNPreferredStock


Dividends
Period End2021-06-302021-03-31
Value0.08.0
Percentage of DividendsPreferredStock0.05.8

us-gaap:SeriesAPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1111111111111111111112111111111211111111111111111111111111111112111111
Percentage of DividendsPreferredStock10.78.09.29.27.410.27.49.76.511.87.111.86.511.814.110.117.714.520.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SeriesEPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value15151515151515151515161515151515151615180.00.00.0
Percentage of DividendsPreferredStock14.610.912.612.510.113.910.113.38.816.19.416.18.816.119.212.624.221.127.80.00.00.00.0

us-gaap:SeriesFPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value151416151514151515151315151515141514156.00.00.00.0
Percentage of DividendsPreferredStock14.610.113.412.510.113.010.113.38.816.17.616.18.816.119.211.824.218.427.80.00.00.00.0

us-gaap:SeriesHPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302014-12-312014-09-302014-06-302013-12-312013-09-302013-06-30
Value1213131316181920350.0360.035350.0150.00.00.0
Percentage of DividendsPreferredStock11.79.410.910.810.716.712.817.720.60.021.20.020.629.40.019.70.00.00.0

us-gaap:DividendsPreferredStock us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value103138119120149108148113170931709317093
Percentage of DividendsPreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value145-1418.018731857442-1344.01277-1443.0359-464.0-134.0-446.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount

us-gaap:EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount


Effective
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value0.0-5.0990.0-20.01070.0
Percentage of EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount0.0100.0100.00.0100.0100.00.0

us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss

us-gaap:FairValueInputsLevel3, ms:NonderivativeTradingLiabilities, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2.09.0-3.04.0-5.043-16.07.09.01.03.00.02.0
Percentage of FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:FairValueInputsLevel3, ms:OtherSecuredFinancings, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-10.05.0-22.0-11.00.0120.01.0-2.0-4.023-2.05.0
Percentage of FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss-500.055.6733.3-275.0-0.027.9-0.014.3-22.2-400.0766.70.0250.0

us-gaap:FairValueInputsLevel3, us-gaap:Borrowings, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-121.0116-483.033-496.0895-141.0-91.0-173.0-276.0211-55.0133
Percentage of FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss-6050.01288.916100.0825.09920.02081.4881.2-1300.0-1922.2-27600.07033.30.06650.0

us-gaap:FairValueInputsLevel3, us-gaap:Deposits, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-4.04.0-7.0-4.0-7.06.0-4.0-5.0-6.0-6.00.0-2.01.0
Percentage of FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss-200.044.4233.3-100.0140.014.025.0-71.4-66.7-600.00.00.050.0

us-gaap:FairValueInputsLevel3, us-gaap:SecuritiesLoanedOrSoldUnderAgreementsToRepurchase, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value-8.02.05.0-8.0310.00.00.00.00.00.0
Percentage of FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss-400.022.2-166.7-200.0-620.0-0.00.00.00.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3 us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3

us-gaap:EquityContract, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-30
Value1000
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3 us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel3, us-gaap:Borrowings, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-30
Value2200
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3220.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3 us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, ms:CorporateandOtherDebtSecurities


Fair
Period End2021-06-30
Value2000
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3200.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3 us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:AvailableforsaleSecurities


Fair
Period End2021-03-31
Value2500
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value4.029-187.0-22.0-281.0398-114.023-35.0-59.0139-82.016
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues

us-gaap:FairValueInputsLevel3, ms:OtherSecuredFinancings, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value373701983.05.02.00.00.00.00.00.00.04.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0100.0

us-gaap:FairValueInputsLevel3, us-gaap:Borrowings, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value146231-12.0194385701571201354264279344306
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues394.662.4-6.16466.77700.035050.00.00.00.00.00.00.07650.0

us-gaap:FairValueInputsLevel3, us-gaap:Deposits, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value110.01231232424-18.0115.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues3.00.0600.00.00.00.00.00.00.0125.0

us-gaap:FairValueInputsLevel3, us-gaap:SecuritiesLoanedOrSoldUnderAgreementsToRepurchase, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2020-12-312020-09-302020-06-302019-06-30
Value0.0-1.04710.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues0.0-33.39420.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases

us-gaap:FairValueInputsLevel3, ms:NonderivativeTradingLiabilities, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3820127.042823413246.03.01217
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales

us-gaap:FairValueInputsLevel3, ms:NonderivativeTradingLiabilities, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value16134.05.024522.06.01123-3.03.07.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements

us-gaap:FairValueInputsLevel3, ms:OtherSecuredFinancings, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1763229.05.0881150.00.01.07.0-1.00.08.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.0100.0

us-gaap:FairValueInputsLevel3, us-gaap:Borrowings, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value217316115709223451226099115-65.081141
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements123.398.11277.81400.0104.5203.50.00.09900.01642.96500.00.01762.5

us-gaap:FairValueInputsLevel3, us-gaap:Deposits, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2.02.04.02.04.05.03.08.04.01.00.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements1.10.644.440.04.54.30.00.0400.014.3-0.00.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet

us-gaap:FairValueInputsLevel3, ms:NonderivativeTradingLiabilities, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value23-1.024-6.0231001318151110.0-2.0-1.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel3, ms:OtherSecuredFinancings, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-24.0-4.0-4.00.0-6.0405-1.0-43.00.0-52.0580.0-41.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet-104.3400.0-16.7-0.0-26.1405.0-7.7-238.90.0-472.7580.0-0.04100.0

us-gaap:FairValueInputsLevel3, us-gaap:Borrowings, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-2341.091-68.0-146.0-656.0340261-430.0-263.0-467.0716.0-366.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet-10178.3-9100.0-283.32433.3-2852.2340.02007.7-2388.9-1753.3-4245.5710.0-300.036600.0

us-gaap:FairValueInputsLevel3, us-gaap:Deposits, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-93.046-3.013-29.0-63.02.0-13.01343-28.023-11.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet-404.3-4600.0-12.5-216.7-126.1-63.015.4-72.286.7390.9-280.0-1150.01100.0

us-gaap:FairValueInputsLevel3, us-gaap:SecuritiesLoanedOrSoldUnderAgreementsToRepurchase, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value0.0-1.00.00.00.00.00.00.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet0.0100.00.00.00.00.0-0.0-0.0

us-gaap:FairValueOptionChangesInFairValueGainLoss1 us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueOptionChangesInFairValueGainLoss1

us-gaap:FairValueMeasurementsNonrecurring, ms:IntangibleAssets


Fair
Period End2021-06-302021-03-312020-12-312020-09-302017-12-312017-09-302016-12-312016-09-30
Value-1.0-2.0-1.0-1.00.00.00.0-2.0
Percentage of FairValueOptionChangesInFairValueGainLoss1100.0100.0100.0100.00.00.00.0100.0

us-gaap:FairValueMeasurementsNonrecurring, ms:LendingCommitment


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-38.0-13.0113-43.0-13.0-713.030-27.0-10.036-69.0-5.0-1.08.0-23.00.02032-1.0111-34.0-80.0
Percentage of FairValueOptionChangesInFairValueGainLoss13800.0650.0-11300.04300.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-5550.00.00.0

us-gaap:FairValueMeasurementsNonrecurring, ms:PropertyPlantAndEquipmentAndCapitalizedSoftwareCosts


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-2.0-2.0-10.0-29.0-3.0-3.0-14.0-4.0-2.0-2.0-33.0-3.0-2.0-8.0-18.0-1.0-1.0-5.0-20.0-29.0-22.0-5.0
Percentage of FairValueOptionChangesInFairValueGainLoss1200.0100.01000.02900.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.01450.00.00.0

us-gaap:FairValueMeasurementsNonrecurring, us-gaap:Assets


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-43.0-76.077-75.0-68.0-716.0-32.0-34.0-12.029-149.0-10.0-10.00.0-101.0-7.01927-29.077-94.0-88.0
Percentage of FairValueOptionChangesInFairValueGainLoss14300.03800.0-7700.07500.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-3850.00.00.0

us-gaap:FairValueMeasurementsNonrecurring, us-gaap:Goodwill


Fair
Period End2021-06-302021-03-31
Value0.0-8.0
Percentage of FairValueOptionChangesInFairValueGainLoss1-0.0400.0

us-gaap:FairValueMeasurementsNonrecurring, us-gaap:Liability


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value5.04.04925130-316.05.0-19.07.067-89.031-30.06.0114.02111235213-20.0
Percentage of FairValueOptionChangesInFairValueGainLoss1-500.0-200.0-4900.0-2500.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-2600.00.00.0

us-gaap:FairValueMeasurementsNonrecurring, us-gaap:OtherInvestments


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-2.0-51.0-2.0-2.0-52.00.0-48.0-3.00.0-5.0-47.0-2.0-7.00.0-60.0-6.00.00.0-8.0-3.0-38.0-3.0
Percentage of FairValueOptionChangesInFairValueGainLoss1200.02550.0200.0200.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0150.00.00.0

us-gaap:FairValueMeasurementsNonrecurring, us-gaap:OtherLiabilities


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value5.04.04925130-316.05.0-19.07.067-89.031-30.06.0114.02111235213-20.0
Percentage of FairValueOptionChangesInFairValueGainLoss1-500.0-200.0-4900.0-2500.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-2600.00.00.0

us-gaap:FairValueOptionChangesInFairValueGainLoss1 us-gaap:FinancialInstrument

us-gaap:Debt


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-31
Value-3015.02412-3788.0-1532.0-3520.03364-1139.0-888.0-2284.0-2996.01258390786-76.0-1128.0-1071.0-1744.0
Percentage of FairValueOptionChangesInFairValueGainLoss1301500.0-120600.0378800.0153200.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueOptionChangesInFairValueGainLoss1 us-gaap:FinancialInstrument, us-gaap:IncomeStatementLocation

us-gaap:Debt, us-gaap:InterestExpense


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
Value84731007781839593-94.0-93.08759-73.0-102.0
Percentage of FairValueOptionChangesInFairValueGainLoss1-8400.0-3650.0-10000.0-7700.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Debt, us-gaap:TradingRevenue


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-31
Value-2931.02485-3688.0-1455.0-3439.03447-1044.0-795.0-2190.0-2903.0134544985926-1023.0-964.0-1625.0
Percentage of FairValueOptionChangesInFairValueGainLoss1293100.0-124250.0368800.0145500.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueOptionCreditRiskGainsLossesOnAssets us-gaap:FinancialInstrument, us-gaap:IncomeStatementLocation

us-gaap:FairValueOptionCreditRiskGainsLossesOnAssets

ms:LoansAndOtherDebt, us-gaap:TradingRevenue


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value951586756-40.0-281.075-3.05893-34.05563816549
Percentage of FairValueOptionCreditRiskGainsLossesOnAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Debt, us-gaap:TradingRevenue


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-10.0-17.0-12.0-8.0-1.0-5.0-2.0-2.0-3.0-4.0-2.0-4.0-3.0-15.0-13.09.0
Percentage of FairValueOptionCreditRiskGainsLossesOnAssets-10.5-10.8-17.9-14.32.51.8-2.766.7-5.2-4.35.9-7.3-4.8-18.5-20.018.4

us-gaap:WrittenLoanCommitmentFairValueOption, us-gaap:TradingRevenue


Fair
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.0-1.0-3.0-1.02.00.00.0-1.0-1.00.0-6.01.02.0-2.00.0
Percentage of FairValueOptionCreditRiskGainsLossesOnAssets1.1-1.5-5.42.5-0.70.0-0.0-1.7-1.1-0.0-10.91.62.5-3.10.0

us-gaap:FairValueOptionCreditRiskGainsLossesOnAssets us-gaap:FinancialInstrument, us-gaap:OtherComprehensiveIncomeLocation

us-gaap:Debt, us-gaap:OtherComprehensiveIncome


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value237185-2331.0-720.0-3237.04948-1438.0442-328.0-816.01537-1010.0842593-410.0-226.0
Percentage of FairValueOptionCreditRiskGainsLossesOnAssets249.5117.1-3479.1-1285.78092.5-1760.9-1917.3-14733.3-565.5-877.4-4520.6-1836.41336.5732.1-630.8-461.2

us-gaap:Deposits, us-gaap:OtherComprehensiveIncome


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value10.0-1.0-9.0-19.0-63.072-28.01.01.0-4.0
Percentage of FairValueOptionCreditRiskGainsLossesOnAssets10.5-0.6-13.4-33.9157.5-25.6-37.3-33.31.7-4.3

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery


Financing
Period End2020-12-312020-09-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value3.03.00.00.