 | us-gaap:SecurityOwnedAndPledgedAsCollateralFairValue | dep-dimensionallyQualifiedConcept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated |
 | us-gaap:FinancialInstrumentsOwnedAndPledgedAsCollateralAtFairValue | dep-dimensionallyQualifiedConcept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated |
 | us-gaap:LoansAndLeasesReceivableCollateralForSecuredBorrowings | dep-dimensionallyQualifiedConcept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated |
 | us-gaap:VariableInterestEntityConsolidatedAssetsCurrentPledged | dep-dimensionallyQualifiedConcept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated |
 | us-gaap:VariableInterestEntityConsolidatedAssetsNoncurrentPledged | dep-dimensionallyQualifiedConcept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated |
 | us-gaap:VariableInterestEntityConsolidatedAssetsPledged | dep-dimensionallyQualifiedConcept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated |
 | us-gaap:AssetPledgedAsCollateralWithRightMember | parent-child | http://fasb.org/us-gaap/role/disclosure/OrganizationConsolidationAndPresentationOfFinancialStatements |
 | us-gaap:AssetPledgedAsCollateralWithoutRightMember | parent-child | http://fasb.org/us-gaap/role/disclosure/OrganizationConsolidationAndPresentationOfFinancialStatements |
 | us-gaap:AssetPledgedAsCollateralWithRightMember | domain-member | http://fasb.org/us-gaap/role/disclosure/OrganizationConsolidationAndPresentationOfFinancialStatementsScheduleOfVariableInterestEntitiesTable |
 | us-gaap:AssetPledgedAsCollateralWithoutRightMember | domain-member | http://fasb.org/us-gaap/role/disclosure/OrganizationConsolidationAndPresentationOfFinancialStatementsScheduleOfVariableInterestEntitiesTable |
 | us-gaap:AssetPledgedAsCollateralWithRightMember | parent-child | http://fasb.org/us-gaap/role/disclosure/TransfersAndServicing |
 | us-gaap:AssetPledgedAsCollateralWithoutRightMember | parent-child | http://fasb.org/us-gaap/role/disclosure/TransfersAndServicing |
 | us-gaap:AssetPledgedAsCollateralWithRightMember | domain-member | http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingFinancialInstrumentsOwnedAndPledgedAsCollateralTable |
 | us-gaap:AssetPledgedAsCollateralWithoutRightMember | domain-member | http://fasb.org/us-gaap/role/disclosure/TransfersAndServicingFinancialInstrumentsOwnedAndPledgedAsCollateralTable |
 | us-gaap:AssetPledgedAsCollateralWithRightMember | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBrokersAndDealers |
 | us-gaap:AssetPledgedAsCollateralWithoutRightMember | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBrokersAndDealers |
 | us-gaap:AssetPledgedAsCollateralWithRightMember | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBrokersAndDealersFinancialInstrumentsOwnedAndPledgedAsCollateralTable |
 | us-gaap:AssetPledgedAsCollateralWithoutRightMember | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesBrokersAndDealersFinancialInstrumentsOwnedAndPledgedAsCollateralTable |