| * |  | Network: 430000 - Disclosure - Restructuring and Related Activities (http://fasb.org/us-gaap/role/disclosure/ExitOrDisposalCostObligations) | 
            
            
               | 1 |  | Restructuring and Related Activities [Abstract] | [Abstract] |  |  |  | us-gaap:RestructuringAndRelatedActivitiesAbstract | 
            
            
               | 2 |  | Restructuring and Related Activities Disclosure [Text Block] | [Concept] | Text Block (HTML) | For period |  | us-gaap:RestructuringAndRelatedActivitiesDisclosureTextBlock | 
            
            
               | 3 |  | Restructuring and Related Costs [Table Text Block] | [Concept] | Text Block (HTML) | For period |  | us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock | 
            
            
               | 4 |  | Schedule of Restructuring and Related Costs [Table] | [Table] |  |  |  | us-gaap:ScheduleOfRestructuringAndRelatedCostsTable | 
            
            
               | 5 |  | Consolidation Items [Axis] | [Axis] |  |  |  | us-gaap:ConsolidationItemsAxis | 
            
            
               | 6 |  | Consolidation Items [Domain] | [Member] |  |  |  | us-gaap:ConsolidationItemsDomain | 
            
            
               | 7 |  | Operating Segments [Member] | [Member] |  |  |  | us-gaap:OperatingSegmentsMember | 
            
            
               | 8 |  | Intersegment Eliminations [Member] | [Member] |  |  |  | us-gaap:IntersegmentEliminationMember | 
            
            
               | 9 |  | Segment Reconciling Items [Member] | [Member] |  |  |  | us-gaap:MaterialReconcilingItemsMember | 
            
            
               | 10 |  | Corporate, Non-Segment [Member] | [Member] |  |  |  | us-gaap:CorporateNonSegmentMember | 
            
            
            
            
               | 11 |  | Segments [Axis] | [Axis] |  |  |  | us-gaap:StatementBusinessSegmentsAxis | 
            
            
               | 12 |  | Segments [Domain] | [Member] |  |  |  | us-gaap:SegmentDomain | 
            
            
               | 13 |  | Other Segments [Member] | [Member] |  |  |  | us-gaap:AllOtherSegmentsMember | 
            
            
               | 14 |  | Corporate Segment [Member] | [Member] |  |  |  | us-gaap:CorporateMember | 
            
            
               | 15 |  | Corporate and Other [Member] | [Member] |  |  |  | us-gaap:CorporateAndOtherMember | 
            
            
            
            
               | 16 |  | Business Acquisition [Axis] | [Axis] |  |  |  | us-gaap:BusinessAcquisitionAxis | 
            
            
               | 17 |  | Business Acquisition, Acquiree [Domain] | [Member] |  |  |  | us-gaap:BusinessAcquisitionAcquireeDomain | 
            
            
               | 18 |  | Series of Individually Immaterial Business Acquisitions [Member] | [Member] |  |  |  | us-gaap:SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember | 
            
            
            
            
               | 19 |  | Restructuring Type [Axis] | [Axis] |  |  |  | us-gaap:RestructuringCostAndReserveAxis | 
            
            
               | 20 |  | Type of Restructuring [Domain] | [Member] |  |  |  | us-gaap:TypeOfRestructuringDomain | 
            
            
               | 21 |  | Facility Closing [Member] | [Member] |  |  |  | us-gaap:FacilityClosingMember | 
            
            
               | 22 |  | Spinoff [Member] | [Member] |  |  |  | us-gaap:SpinoffMember | 
            
            
               | 23 |  | Employee Severance [Member] | [Member] |  |  |  | us-gaap:EmployeeSeveranceMember | 
            
            
               | 24 |  | One-time Termination Benefits [Member] | [Member] |  |  |  | us-gaap:OneTimeTerminationBenefitsMember | 
            
            
               | 25 |  | Special Termination Benefits [Member] | [Member] |  |  |  | us-gaap:SpecialTerminationBenefitsMember | 
            
            
               | 26 |  | Employee Relocation [Member] | [Member] |  |  |  | us-gaap:EmployeeRelocationMember | 
            
            
               | 27 |  | Contract Termination [Member] | [Member] |  |  |  | us-gaap:ContractTerminationMember | 
            
            
               | 28 |  | Other Restructuring [Member] | [Member] |  |  |  | us-gaap:OtherRestructuringMember | 
            
            
            
            
               | 29 |  | Restructuring Plan [Axis] | [Axis] |  |  |  | us-gaap:RestructuringPlanAxis | 
            
            
               | 30 |  | Restructuring Plan [Domain] | [Member] |  |  |  | us-gaap:RestructuringPlanDomain | 
            
            
            
               | 31 |  | Income Statement Location [Axis] | [Axis] |  |  |  | us-gaap:IncomeStatementLocationAxis | 
            
            
               | 32 |  | Income Statement Location [Domain] | [Member] |  |  |  | us-gaap:IncomeStatementLocationDomain | 
            
            
               | 33 |  | Sales [Member] | [Member] |  |  |  | us-gaap:SalesMember | 
            
            
               | 34 |  | Trading Revenue [Member] | [Member] |  |  |  | us-gaap:TradingRevenueMember | 
            
            
               | 35 |  | Cost of Sales [Member] | [Member] |  |  |  | us-gaap:CostOfSalesMember | 
            
            
               | 36 |  | Principal or Proprietary Transactions [Member] | [Member] |  |  |  | us-gaap:PrincipalOrProprietaryTransactionsMember | 
            
            
               | 37 |  | Asset Management Income [Member] | [Member] |  |  |  | us-gaap:AssetManagementIncomeMember | 
            
            
               | 38 |  | Other Income [Member] | [Member] |  |  |  | us-gaap:OtherIncomeMember | 
            
            
               | 39 |  | Interest Income [Member] | [Member] |  |  |  | us-gaap:InterestIncomeMember | 
            
            
               | 40 |  | Investment Income [Member] | [Member] |  |  |  | us-gaap:InvestmentIncomeMember | 
            
            
               | 41 |  | Operating Income (Loss) [Member] | [Member] |  |  |  | us-gaap:OperatingIncomeLossMember | 
            
            
               | 42 |  | Other Operating Income (Expense) [Member] | [Member] |  |  |  | us-gaap:OtherOperatingIncomeExpenseMember | 
            
            
               | 43 |  | Interest Expense [Member] | [Member] |  |  |  | us-gaap:InterestExpenseMember | 
            
            
               | 44 |  | Operating Expense [Member] | [Member] |  |  |  | us-gaap:OperatingExpenseMember | 
            
            
               | 45 |  | Other Expense [Member] | [Member] |  |  |  | us-gaap:OtherExpenseMember | 
            
            
               | 46 |  | Nonoperating Income (Expense) [Member] | [Member] |  |  |  | us-gaap:NonoperatingIncomeExpenseMember | 
            
            
               | 47 |  | Other Nonoperating Income (Expense) [Member] | [Member] |  |  |  | us-gaap:OtherNonoperatingIncomeExpenseMember | 
            
            
               | 48 |  | Foreign Currency Gain (Loss) [Member] | [Member] |  |  |  | us-gaap:ForeignCurrencyGainLossMember | 
            
            
               | 49 |  | Sale of Subsidiary Gain (Loss) [Member] | [Member] |  |  |  | us-gaap:SaleOfSubsidiaryGainLossMember | 
            
            
               | 50 |  | Selling, General and Administrative Expenses [Member] | [Member] |  |  |  | us-gaap:SellingGeneralAndAdministrativeExpensesMember | 
            
            
               | 51 |  | Selling and Marketing Expense [Member] | [Member] |  |  |  | us-gaap:SellingAndMarketingExpenseMember | 
            
            
               | 52 |  | General and Administrative Expense [Member] | [Member] |  |  |  | us-gaap:GeneralAndAdministrativeExpenseMember | 
            
            
            
            
            
               | 53 |  | Other Comprehensive Income Location [Axis] | [Axis] |  |  |  | us-gaap:OtherComprehensiveIncomeLocationAxis | 
            
            
               | 54 |  | Other Comprehensive Income Location [Domain] | [Member] |  |  |  | us-gaap:OtherComprehensiveIncomeLocationDomain | 
            
            
               | 55 |  | Other Comprehensive Income (Loss) [Member] | [Member] |  |  |  | us-gaap:OtherComprehensiveIncomeMember | 
            
            
            
            
               | 56 |  | Restructuring Cost and Reserve [Line Items] | [Abstract] |  |  |  | us-gaap:RestructuringCostAndReserveLineItems | 
            
            
               | 57 |  | Restructuring and Related Activities, Description | [Concept] | Text/String | For period |  | us-gaap:RestructuringAndRelatedActivitiesDescription | 
            
            
               | 58 |  | Restructuring and Related Activities, Initiation Date | [Concept] | Date | For period |  | us-gaap:RestructuringAndRelatedActivitiesInitiationDate | 
            
            
               | 59 |  | Restructuring and Related Activities, Authorized Approval | [Concept] | Text/String | For period |  | us-gaap:RestructuringAndRelatedActivitiesAuthorizedApproval | 
            
            
               | 60 |  | Restructuring and Related Activities, Completion Date | [Concept] | Date | For period |  | us-gaap:RestructuringAndRelatedActivitiesCompletionDate | 
            
            
               | 61 |  | Business Acquisition, Planned Restructuring Activities, Description | [Concept] | Text/String | For period |  | us-gaap:BusinessAcquisitionPlannedRestructuringActivitiesDescription | 
            
            
               | 62 |  | Restructuring and Related Cost [Abstract] | [Abstract] |  |  |  | us-gaap:RestructuringAndRelatedCostLineItems | 
            
            
               | 63 |  | Restructuring and Related Cost, Description | [Concept] | Text/String | For period |  | us-gaap:RestructuringAndRelatedCostDescription | 
            
            
               | 64 |  | Restructuring and Related Cost, Incurred Cost | [Concept] | Monetary | For period | Debit | us-gaap:RestructuringAndRelatedCostIncurredCost | 
            
            
               | 65 |  | Restructuring and Related Cost, Expected Cost Remaining | [Concept] | Monetary | As of | Debit | us-gaap:RestructuringAndRelatedCostExpectedCostRemaining1 | 
            
            
               | 66 |  | Restructuring and Related Cost, Caption that Includes Restructuring Charges | [Concept] | Text/String | For period |  | us-gaap:RestructuringAndRelatedCostCaptionThatIncludesRestructuringCharges | 
            
            
               | 67 |  | Restructuring and Related Cost, Accelerated Depreciation | [Concept] | Monetary | For period | Debit | us-gaap:RestructuringReserveAcceleratedDepreciation | 
            
            
               | 68 |  | Recapitalization Costs | [Concept] | Monetary | For period | Debit | us-gaap:RecapitalizationCosts | 
            
            
               | 69 |  | Restructuring and Related Cost, Expected Cost [Abstract] | [Abstract] |  |  |  | us-gaap:RestructuringAndRelatedCostExpectedCostAbstract | 
            
            
               | 70 |  | Restructuring and Related Cost, Cost Incurred to Date | [Concept] | Monetary | As of | Debit | us-gaap:RestructuringAndRelatedCostCostIncurredToDate1 | 
            
            
               | 71 |  | Restructuring and Related Cost, Expected Cost Remaining | [Concept] | Monetary | As of | Debit | us-gaap:RestructuringAndRelatedCostExpectedCostRemaining1 | 
            
            
               | 72 |  | Restructuring and Related Cost, Expected Cost, Total | [Concept] | Monetary | As of | Debit | us-gaap:RestructuringAndRelatedCostExpectedCost1 | 
            
            
            
               | 73 |  | Restructuring Costs [Abstract] | [Abstract] |  |  |  | us-gaap:RestructuringCostsAbstract | 
            
            
               | 74 |  | Restructuring Charges [Abstract] | [Abstract] |  |  |  | us-gaap:RestructuringChargesAbstract | 
            
            
               | 75 |  | Business Exit Costs | [Concept] | Monetary | For period | Debit | us-gaap:BusinessExitCosts1 | 
            
            
               | 76 |  | Severance Costs | [Concept] | Monetary | For period | Debit | us-gaap:SeveranceCosts1 | 
            
            
               | 77 |  | Other Restructuring Costs | [Concept] | Monetary | For period | Debit | us-gaap:OtherRestructuringCosts | 
            
            
               | 78 |  | Restructuring Charges, Total | [Concept] | Monetary | For period | Debit | us-gaap:RestructuringCharges | 
            
            
            
               | 79 |  | Payments for Restructuring | [Concept] | Monetary | For period | Credit | us-gaap:PaymentsForRestructuring | 
            
            
               | 80 |  | Restructuring Costs, Total | [Concept] | Monetary | For period | Debit | us-gaap:RestructuringCosts | 
            
            
            
               | 81 |  | Restructuring and Related Cost, Positions Eliminated [Abstract] | [Abstract] |  |  |  | us-gaap:RestructuringAndRelatedCostPositionsEliminatedAbstract | 
            
            
               | 82 |  | Restructuring and Related Cost, Number of Positions Eliminated | [Concept] | Integer | For period |  | us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminated | 
            
            
               | 83 |  | Restructuring and Related Cost, Number of Positions Eliminated, Period Percent | [Concept] | Percent | For period |  | us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent | 
            
            
            
               | 84 |  | Restructuring and Related Cost, Number of Positions Eliminated, Inception to Date | [Concept] | Integer | As of |  | us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminatedInceptionToDate | 
            
            
               | 85 |  | Restructuring and Related Cost, Number of Positions Eliminated, Inception to Date Percent | [Concept] | Percent | As of |  | us-gaap:RestructuringAndRelatedCostNumberOfPositionsEliminatedInceptionToDatePercent | 
            
            
            
               | 86 |  | Restructuring and Related Cost, Expected Number of Positions Eliminated | [Concept] | Integer | For period |  | us-gaap:RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated | 
            
            
            
            
               | 87 |  | Restructuring Reserve Disclosures [Abstract] | [Abstract] |  |  |  | us-gaap:RestructuringReserveLineItems | 
            
            
               | 88 |  | Restructuring Reserve [Abstract] | [Abstract] |  |  |  | us-gaap:RestructuringReserveAbstract | 
            
            
               | 89 |  | Restructuring Reserve, Current | [Concept] | Monetary | As of | Credit | us-gaap:RestructuringReserveCurrent | 
            
            
               | 90 |  | Restructuring Reserve, Noncurrent | [Concept] | Monetary | As of | Credit | us-gaap:RestructuringReserveNoncurrent | 
            
            
               | 91 |  | Restructuring Reserve, Total | [Concept] | Monetary | As of | Credit | us-gaap:RestructuringReserve | 
            
            
            
               | 92 |  | Restructuring Reserve [Roll Forward] | [Abstract] |  |  |  | us-gaap:RestructuringReserveRollForward | 
            
            
               | 93 |  | Restructuring Reserve, Beginning Balance | [Concept] | Monetary | As of | Credit | us-gaap:RestructuringReserve | 
            
            
               | 94 |  | Restructuring Charges | [Concept] | Monetary | For period | Debit | us-gaap:RestructuringCharges | 
            
            
               | 95 |  | Payments for Restructuring | [Concept] | Monetary | For period | Credit | us-gaap:PaymentsForRestructuring | 
            
            
               | 96 |  | Restructuring Reserve, Settled without Cash | [Concept] | Monetary | For period | Credit | us-gaap:RestructuringReserveSettledWithoutCash1 | 
            
            
               | 97 |  | Restructuring Reserve, Translation Adjustment | [Concept] | Monetary | For period | Credit | us-gaap:RestructuringReserveTranslationAdjustment | 
            
            
               | 98 |  | Restructuring Reserve, Accrual Adjustment | [Concept] | Monetary | For period | Credit | us-gaap:RestructuringReserveAccrualAdjustment | 
            
            
               | 99 |  | Restructuring Reserve, Period Increase (Decrease), Total | [Concept] | Monetary | For period |  | us-gaap:RestructuringReservePeriodIncreaseDecrease | 
            
            
               | 100 |  | Restructuring Reserve, Ending Balance | [Concept] | Monetary | As of | Credit | us-gaap:RestructuringReserve | 
            
            
            
               | 101 |  | Restructuring Reserve, Translation and Other Adjustment | [Concept] | Monetary | For period | Credit | us-gaap:RestructuringReserveTranslationAndOtherAdjustment | 
            
            
               | 102 |  | Restructuring Reserve, Adjustment Description | [Concept] | Text/String | For period |  | us-gaap:RestructuringReserveAdjustmentDescription | 
            
            
               | 103 |  | Restructuring and Related Activities, Liability Not Recognized | [Concept] | Text/String | For period |  | us-gaap:RestructuringAndRelatedActivitiesLiabilityNotRecognized | 
            
            
            
            
            
            
               | 104 |  | Schedule of Effects on Future Earnings and Cash Flows Resulting from Exit Plan [Table Text Block] | [Concept] | Text Block (HTML) | For period |  | us-gaap:ScheduleOfEffectsOnFutureEarningsAndCashFlowsResultingFromExitPlanTextBlock | 
            
            
               | 105 |  | Schedule of Effects on Future Earnings and Cash Flows Resulting from Exit Plan [Table] | [Table] |  |  |  | us-gaap:ScheduleOfEffectsOnFutureEarningsAndCashFlowsResultingFromExitPlanTable | 
            
            
               | 106 |  | Effects on Future Earnings and Cash Flows Resulting from Exit Plan [Axis] | [Axis] |  |  |  | us-gaap:EffectsOnFutureEarningsAndCashFlowsResultingFromExitPlanAxis | 
            
            
               | 107 |  | Effects on Future Earnings and Cash Flows, by Type of Effect [Domain] | [Member] |  |  |  | us-gaap:EffectsOnFutureEarningsAndCashFlowsByTypeOfEffectDomain | 
            
            
               | 108 |  | Reduced Depreciation [Member] | [Member] |  |  |  | us-gaap:ReducedDepreciationMember | 
            
            
               | 109 |  | Reduced Employee Expenses [Member] | [Member] |  |  |  | us-gaap:ReducedEmployeeExpensesMember | 
            
            
            
            
               | 110 |  | Effects on Future Earnings and Cash Flows Resulting from Exit Plan [Line Items] | [Abstract] |  |  |  | us-gaap:EffectsOnFutureEarningsAndCashFlowsResultingFromExitPlanLineItems | 
            
            
               | 111 |  | Effect on Future Cash Flows, Amount | [Concept] | Monetary | For period | Debit | us-gaap:EffectOnFutureCashFlowsAmount | 
            
            
               | 112 |  | Effect on Future Earnings, Amount | [Concept] | Monetary | For period | Credit | us-gaap:EffectOnFutureEarningsAmount | 
            
            
               | 113 |  | Initial Period in which Effects are Expected to be Realized | [Concept] | Text/String | For period |  | us-gaap:InitialPeriodInWhichEffectsAreExpectedToBeRealized | 
            
            
               | 114 |  | Effect on Future Earnings, Offset Amount | [Concept] | Monetary | For period | Debit | us-gaap:EffectOnFutureEarningsOffsetAmount | 
            
            
               | 115 |  | Effect on Future Earnings and Cash Flows, Offset Description | [Concept] | Text/String | For period |  | us-gaap:EffectOnFutureEarningsAndCashFlowsOffsetDescription | 
            
            
               | 116 |  | Effect on Future Earnings, Income Statement Line Item Impacted | [Concept] | Text/String | For period |  | us-gaap:EffectOnFutureEarningsAndCashFlowsIncomeStatementLineItemImpacted | 
            
            
            
            
               | 117 |  | Actual Savings Anticipated by Previous Exit Plan Not Achieved as Expected, Outcome and Reasons | [Concept] | Text/String | For period |  | us-gaap:ActualSavingsAnticipatedByPreviousExitPlanNotAchievedAsExpectedOutcomeAndReasons | 
            
            
            
               | 118 |  | Impairment Effects on Earnings Per Share [Table Text Block] | [Concept] | Text Block (HTML) | For period |  | us-gaap:ImpairmentEffectsOnEarningsPerShareTableTextBlock | 
            
            
               | 119 |  | Impairment Effects on Earnings Per Share [Table] | [Table] |  |  |  | us-gaap:ImpairmentEffectsOnEarningsPerShareTable | 
            
            
               | 120 |  | Asset Class [Axis] | [Axis] |  |  |  | us-gaap:FairValueByAssetClassAxis | 
            
            
               | 121 |  | Asset Class [Domain] | [Member] |  |  |  | us-gaap:FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain | 
            
            
               | 122 |  | Property, Plant and Equipment [Member] | [Member] |  |  |  | us-gaap:PropertyPlantAndEquipmentMember | 
            
            
               | 123 |  | Indefinite-lived Intangible Assets [Member] | [Member] |  |  |  | us-gaap:IndefinitelivedIntangibleAssetsMember | 
            
            
               | 124 |  | Finite-Lived Intangible Assets [Member] | [Member] |  |  |  | us-gaap:FiniteLivedIntangibleAssetsMember | 
            
            
               | 125 |  | Goodwill [Member] | [Member] |  |  |  | us-gaap:GoodwillMember | 
            
            
            
            
               | 126 |  | Impairment Effects on Earnings Per Share [Line Items] | [Abstract] |  |  |  | us-gaap:ImpairmentEffectsOnEarningsPerShareLineItems | 
            
            
               | 127 |  | Impairment Effect on Earnings Per Share, Pretax | [Concept] | Per Share | For period |  | us-gaap:ImpairmentEffectOnEarningsPerSharePretax | 
            
            
               | 128 |  | Impairment Effect on Earnings Per Share, after Tax | [Concept] | Per Share | For period |  | us-gaap:ImpairmentEffectOnEarningsPerShareAfterTax | 
            
            
            
            
            
            
               | 129 |  | Disclosure Text Block Supplement [Abstract] | [Abstract] |  |  |  | us-gaap:DisclosureTextBlockSupplementAbstract | 
            
            
               | 130 |  | Restructuring, Impairment, and Other Activities Disclosure [Text Block] | [Concept] | Text Block (HTML) | For period |  | us-gaap:RestructuringImpairmentAndOtherActivitiesDisclosureTextBlock | 
            
            
            
               | 131 |  | Table Text Block Supplement [Abstract] | [Abstract] |  |  |  | us-gaap:TableTextBlockSupplementAbstract | 
            
            
               | 132 |  | Schedule of Restructuring Reserve by Type of Cost [Table Text Block] | [Concept] | Text Block (HTML) | For period |  | us-gaap:ScheduleOfRestructuringReserveByTypeOfCostTextBlock |