| Line | Label | Object Class | Period Type | Balance | Report Element Name |
|---|---|---|---|---|---|
| 1 | 820000 - Disclosure - Foreign Operations and Currency Translation | Network | http://fasb.org/us-gaap/role/disclosure/ForeignOperationsAndCurrencyTranslation | ||
| 2 | Foreign Currency [Abstract] | Abstract | us-gaap:ForeignCurrencyAbstract | ||
| 3 | Foreign Currency Disclosure [Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:ForeignCurrencyDisclosureTextBlock | |
| 4 | Foreign Currency Transaction [Abstract] | Abstract | us-gaap:ForeignCurrencyTransactionAbstract | ||
| 5 | Foreign Currency Transactions, Description | Concept (Text/String) | For Period | us-gaap:ForeignCurrencyTransactionsDescription | |
| 6 | Foreign Currency Transaction Gain (Loss), before Tax [Abstract] | Abstract | us-gaap:ForeignCurrencyTransactionGainLossBeforeTaxAbstract | ||
| 7 | Foreign Currency Transaction Gain, before Tax | Concept (Monetary) | For Period | Credit | us-gaap:ForeignCurrencyTransactionGainBeforeTax |
| 8 | Foreign Currency Transaction Loss, before Tax | Concept (Monetary) | For Period | Debit | us-gaap:ForeignCurrencyTransactionLossBeforeTax |
| 9 | Foreign Currency Transaction Gain (Loss), before Tax, Total | Concept (Monetary) | For Period | Credit | us-gaap:ForeignCurrencyTransactionGainLossBeforeTax |
| 10 | Foreign Currency Transaction Gain (Loss), Unrealized | Concept (Monetary) | For Period | Credit | us-gaap:ForeignCurrencyTransactionGainLossUnrealized |
| 11 | Foreign Currency Transaction Gain (Loss), Realized | Concept (Monetary) | For Period | Credit | us-gaap:ForeignCurrencyTransactionGainLossRealized |
| 12 | Foreign Currency Translation [Abstract] | Abstract | us-gaap:ForeignCurrencyTranslationAbstract | ||
| 13 | Foreign Currency Translation Adjustment, Description | Concept (Text/String) | For Period | us-gaap:ForeignCurrencyTranslationAdjustmentDescription | |
| 14 | Description of Effect of Subsequent Foreign Currency Exchange Rate Change | Concept (Text/String) | For Period | us-gaap:DescriptionOfEffectOfSubsequentForeignCurrencyExchangeRateChange | |
| 15 | Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax [Abstract] | Abstract | us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPeriodIncreaseDecreaseAbstract | ||
| 16 | Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax | Concept (Monetary) | For Period | Credit | us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax |
| 17 | Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax | Concept (Monetary) | For Period | Debit | us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax |
| 18 | Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Total | Concept (Monetary) | For Period | Credit | us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax |
| 19 | Cumulative Translation Adjustment Summary [Roll Forward] | Abstract | us-gaap:CumulativeTranslationAdjustmentSummaryRollForward | ||
| 20 | Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Beginning Balance | Concept (Monetary) | As Of | Credit | us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax |
| 21 | Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax | Concept (Monetary) | For Period | Credit | us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax |
| 22 | Other Comprehensive Income (Loss), Foreign Currency Translation Gain (Loss) Arising During Period, Tax | Concept (Monetary) | For Period | Debit | us-gaap:OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax |
| 23 | Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax | Concept (Monetary) | For Period | Debit | us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax |
| 24 | Cumulative Translation Adjustment, Net of Tax, Period Increase (Decrease), Total | Concept (Monetary) | For Period | us-gaap:CumulativeTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease | |
| 25 | Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Ending Balance | Concept (Monetary) | As Of | Credit | us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax |
| 26 | Foreign Currency Translation Adjustment, by Component [Abstract] | Abstract | us-gaap:ForeignCurrencyTranslationAdjustmentByComponentAbstract | ||
| 27 | Translation Adjustment Functional to Reporting Currency [Roll Forward] | Abstract | us-gaap:TranslationAdjustmentFunctionalToReportingCurrencyRollForward | ||
| 28 | Translation Adjustment Functional to Reporting Currency, Net of Tax, Beginning Balance | Concept (Monetary) | As Of | Credit | us-gaap:TranslationAdjustmentFunctionalToReportingCurrencyNetOfTax |
| 29 | Translation Adjustment Functional to Reporting Currency, Increase (Decrease), Gross of Tax | Concept (Monetary) | For Period | Credit | us-gaap:TranslationAdjustmentFunctionalToReportingCurrencyIncreaseDecreaseGrossOfTax |
| 30 | Translation Adjustment Functional to Reporting Currency, Tax Expense (Benefit) | Concept (Monetary) | For Period | Debit | us-gaap:TranslationAdjustmentFunctionalToReportingCurrencyTaxExpenseBenefit |
| 31 | Translation Adjustment Functional to Reporting Currency, Gain (Loss), Reclassified to Earnings, Net of Tax | Concept (Monetary) | For Period | Debit | us-gaap:TranslationAdjustmentFunctionalToReportingCurrencyGainLossReclassifiedToEarningsNetOfTax |
| 32 | Translation Adjustment Functional to Reporting Currency, Net of Tax, Period Increase (Decrease), Total | Concept (Monetary) | For Period | us-gaap:TranslationAdjustmentFunctionalToReportingCurrencyNetOfTaxPeriodIncreaseDecrease | |
| 33 | Translation Adjustment Functional to Reporting Currency, Net of Tax, Ending Balance | Concept (Monetary) | As Of | Credit | us-gaap:TranslationAdjustmentFunctionalToReportingCurrencyNetOfTax |
| 34 | Derivatives used in Net Investment Hedge, Net of Tax [Roll Forward] | Abstract | us-gaap:TranslationAdjustmentForNetInvestmentHedgeRollForward | ||
| 35 | Derivatives used in Net Investment Hedge, Net of Tax, Beginning Balance | Concept (Monetary) | As Of | Credit | us-gaap:TranslationAdjustmentForNetInvestmentHedgeNetOfTax |
| 36 | Derivatives used in Net Investment Hedge, Increase (Decrease), Gross of Tax | Concept (Monetary) | For Period | Credit | us-gaap:TranslationAdjustmentForNetInvestmentHedgeIncreaseDecreaseGrossOfTax |
| 37 | Derivatives used in Net Investment Hedge, Tax Expense (Benefit) | Concept (Monetary) | For Period | Debit | us-gaap:DerivativesUsedInNetInvestmentHedgeTaxExpenseBenefit |
| 38 | Derivatives used in Net Investment Hedge, Gain (Loss), Reclassified to Earnings, Net of Tax | Concept (Monetary) | For Period | Debit | us-gaap:DerivativesUsedInNetInvestmentHedgeGainLossReclassifiedToEarningsNetOfTax |
| 39 | Derivatives used in Net Investment Hedge, Net of Tax, Period Increase (Decrease), Total | Concept (Monetary) | For Period | us-gaap:TranslationAdjustmentForNetInvestmentHedgeNetOfTaxPeriodIncreaseDecrease | |
| 40 | Derivatives used in Net Investment Hedge, Net of Tax, Ending Balance | Concept (Monetary) | As Of | Credit | us-gaap:TranslationAdjustmentForNetInvestmentHedgeNetOfTax |
| 41 | Adjustment for Long-term Intercompany Transactions, Net of Tax [Abstract] | Abstract | us-gaap:AdjustmentForLongTermIntercompanyTransactionsNetOfTaxAbstract | ||
| 42 | Adjustment for Long-term Intercompany Transactions, Gross of Tax | Concept (Monetary) | For Period | Credit | us-gaap:AdjustmentForLongTermIntercompanyTransactionsGrossOfTax |
| 43 | Adjustment for Long-term Intercompany Transactions, Tax Expense (Benefit) | Concept (Monetary) | For Period | Debit | us-gaap:AdjustmentForLongTermIntercompanyTransactionsTaxExpenseBenefit |
| 44 | Adjustment for Long-term Intercompany Transactions, Net of Tax, Total | Concept (Monetary) | For Period | Credit | us-gaap:AdjustmentForLongTermIntercompanyTransactionsNetOfTax |
| 45 | Schedule of Intercompany Foreign Currency Balances [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:ScheduleOfIntercompanyForeignCurrencyBalancesTextBlock | |
| 46 | Schedule of Intercompany Foreign Currency Balance [Table] | Table | us-gaap:ScheduleOfIntercompanyForeignCurrencyBalanceTable | ||
| 47 | Intercompany Foreign Currency Balance by Description [Axis] | Axis | us-gaap:IntercompanyForeignCurrencyBalanceByDescriptionAxis | ||
| 48 | Intercompany Foreign Currency Balance, Name [Domain] | Member | us-gaap:IntercompanyForeignCurrencyBalanceNameDomain | ||
| 49 | Intercompany Foreign Currency Balance [Line Items] | LineItems | us-gaap:IntercompanyForeignCurrencyBalanceLineItems | ||
| 50 | Intercompany Foreign Currency Balance, Amount | Concept (Monetary) | As Of | Debit | us-gaap:IntercompanyForeignCurrencyBalanceAmount |
| 51 | Multiple Foreign Currency Exchange Rates [Abstract] | Abstract | us-gaap:MultipleForeignCurrencyExchangeRatesAbstract | ||
| 52 | Schedule of Differences between Reported Amount and Reporting Currency Denominated Amount [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:ScheduleOfDifferencesBetweenReportedAmountAndReportingCurrencyDenominatedAmountTableTextBlock | |
| 53 | Schedule of Differences between Reported Amount and Reporting Currency Denominated Amount [Table] | Table | us-gaap:ScheduleOfDifferencesBetweenReportedAmountAndReportingCurrencyDenominatedAmountTable | ||
| 54 | Income Statement Location [Axis] | Axis | us-gaap:IncomeStatementLocationAxis | ||
| 55 | Income Statement Location [Domain] | Member | us-gaap:IncomeStatementLocationDomain | ||
| 56 | Sales [Member] | Member | us-gaap:SalesMember | ||
| 57 | Trading Revenue [Member] | Member | us-gaap:TradingRevenueMember | ||
| 58 | Cost of Sales [Member] | Member | us-gaap:CostOfSalesMember | ||
| 59 | Principal or Proprietary Transactions [Member] | Member | us-gaap:PrincipalOrProprietaryTransactionsMember | ||
| 60 | Asset Management Income [Member] | Member | us-gaap:AssetManagementIncomeMember | ||
| 61 | Other Income [Member] | Member | us-gaap:OtherIncomeMember | ||
| 62 | Interest Income [Member] | Member | us-gaap:InterestIncomeMember | ||
| 63 | Investment Income [Member] | Member | us-gaap:InvestmentIncomeMember | ||
| 64 | Operating Income (Loss) [Member] | Member | us-gaap:OperatingIncomeLossMember | ||
| 65 | Other Operating Income (Expense) [Member] | Member | us-gaap:OtherOperatingIncomeExpenseMember | ||
| 66 | Interest Expense [Member] | Member | us-gaap:InterestExpenseMember | ||
| 67 | Operating Expense [Member] | Member | us-gaap:OperatingExpenseMember | ||
| 68 | Other Expense [Member] | Member | us-gaap:OtherExpenseMember | ||
| 69 | Gain (Loss) on Derivative Instruments [Member] | Member | us-gaap:GainLossOnDerivativeInstrumentsMember | ||
| 70 | Gain (Loss) on Investments [Member] | Member | us-gaap:GainLossOnInvestmentsMember1 | ||
| 71 | Investment Income (Expense) [Member] | Member | us-gaap:InvestmentIncomeExpenseMember | ||
| 72 | Nonoperating Income (Expense) [Member] | Member | us-gaap:NonoperatingIncomeExpenseMember | ||
| 73 | Other Nonoperating Income (Expense) [Member] | Member | us-gaap:OtherNonoperatingIncomeExpenseMember | ||
| 74 | Foreign Currency Gain (Loss) [Member] | Member | us-gaap:ForeignCurrencyGainLossMember | ||
| 75 | Sale of Subsidiary Gain (Loss) [Member] | Member | us-gaap:SaleOfSubsidiaryGainLossMember | ||
| 76 | Selling, General and Administrative Expenses [Member] | Member | us-gaap:SellingGeneralAndAdministrativeExpensesMember | ||
| 77 | Selling and Marketing Expense [Member] | Member | us-gaap:SellingAndMarketingExpenseMember | ||
| 78 | General and Administrative Expense [Member] | Member | us-gaap:GeneralAndAdministrativeExpenseMember | ||
| 79 | Other Comprehensive Income Location [Axis] | Axis | us-gaap:OtherComprehensiveIncomeLocationAxis | ||
| 80 | Other Comprehensive Income Location [Domain] | Member | us-gaap:OtherComprehensiveIncomeLocationDomain | ||
| 81 | Other Comprehensive Income (Loss) [Member] | Member | us-gaap:OtherComprehensiveIncomeMember | ||
| 82 | Balance Sheet Location [Axis] | Axis | us-gaap:BalanceSheetLocationAxis | ||
| 83 | Balance Sheet Location [Domain] | Member | us-gaap:BalanceSheetLocationDomain | ||
| 84 | Other Assets [Member] | Member | us-gaap:OtherAssetsMember | ||
| 85 | Other Current Assets [Member] | Member | us-gaap:OtherCurrentAssetsMember | ||
| 86 | Other Noncurrent Assets [Member] | Member | us-gaap:OtherNoncurrentAssetsMember | ||
| 87 | Other Liabilities [Member] | Member | us-gaap:OtherLiabilitiesMember | ||
| 88 | Other Current Liabilities [Member] | Member | us-gaap:OtherCurrentLiabilitiesMember | ||
| 89 | Other Noncurrent Liabilities [Member] | Member | us-gaap:OtherNoncurrentLiabilitiesMember | ||
| 90 | Other Investments [Member] | Member | us-gaap:OtherInvestmentsMember | ||
| 91 | Contract Holder Funds [Member] | Member | us-gaap:ContractHolderFundsMember | ||
| 92 | Accounts Payable and Accrued Liabilities [Member] | Member | us-gaap:AccountsPayableAndAccruedLiabilitiesMember | ||
| 93 | Prepaid Expenses and Other Current Assets [Member] | Member | us-gaap:PrepaidExpensesAndOtherCurrentAssetsMember | ||
| 94 | Financial Statement Line Items with Differences in Reported Amount and Reporting Currency Denominated Amounts [Line Items] | LineItems | us-gaap:FinancialStatementLineItemsWithDifferencesInReportedAmountAndReportingCurrencyDenominatedAmountsLineItems | ||
| 95 | Asset, Reporting Currency Denominated, Value | Concept (Monetary) | As Of | Debit | us-gaap:AssetReportingCurrencyDenominatedValue |
| 96 | Liability, Reporting Currency Denominated, Value | Concept (Monetary) | As Of | Credit | us-gaap:LiabilityReportingCurrencyDenominatedValue |
| 97 | Revenues and Gains, Reporting Currency Denominated, Value | Concept (Monetary) | For Period | Credit | us-gaap:RevenuesAndGainsReportingCurrencyDenominatedValue |
| 98 | Expenses and Losses, Reporting Currency Denominated, Value | Concept (Monetary) | For Period | Debit | us-gaap:ExpensesAndLossesReportingCurrencyDenominatedValue |
| 99 | Difference between Reported Amount and Reporting Currency Denominated Amount, Value | Concept (Monetary) | For Period | Debit | us-gaap:DifferenceBetweenReportedAmountAndReportingCurrencyDenominatedAmountValue |
| 100 | Amount Recognized in Income Due to Inflationary Accounting | Concept (Monetary) | For Period | Credit | us-gaap:AmountRecognizedInIncomeDueToInflationaryAccounting |
| 101 | Foreign Currency Exchange Rate, Remeasurement | Concept (Pure) | As Of | us-gaap:ForeignCurrencyExchangeRateRemeasurement1 | |
| 102 | Foreign Currency Exchange Rate, Translation | Concept (Pure) | As Of | us-gaap:ForeignCurrencyExchangeRateTranslation1 | |
| 103 | Description of Difference between Reported Amount and Reporting Currency Denominated Amount | Concept (Text/String) | For Period | us-gaap:DescriptionOfDifferenceBetweenReportedAmountAndReportingCurrencyDenominatedAmount | |
| 104 | Extensible Enumeration Domain Members | Network | http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists | ||
| 105 | SRT Extensible Enumeration Domain Members | Network | http://fasb.org/srt/role/srt-eedm/ExtensibleEnumerationLists |