Accounting Changes and Error Corrections [Abstract] Accounting Changes and Error Corrections [Abstract] Accounting Changes [Text Block] Accounting Changes Accounting Policies [Abstract] Accounting Policies [Abstract] Accretion (Amortization) of Discounts and Premiums, Investments Amortization of fixed maturity securities discounts and premiums and limited partnerships Amount incurred or accrued for the self insured retention of executive and organization liability program. Accrual For Self Insured Retention Self insured retention Accrued Investment Income Receivable Accrued investment income Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] Unrealized (gains) losses on investment This item represents the increase (decrease) in unrealized investment gains (losses) related to deferred acquisition costs, present value of future profits, sales inducements and benefit reserves. Accumulated Other Comprehensive Income (Loss) Available For Sale Securities Adjustment Deferred Acquisition Costs, Present Value of Future Profits, Sales Inducements, and Reserves Adjustments to deferred acquisition costs, present value of future profits, sales inducements and benefit reserves Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Net unrealized investment gains (losses), end of period Net unrealized investment gains (losses), beginning of period Net unrealized investment gains (losses) Accumulated Other Comprehensive Income (Loss), Available-For-Sale Securities Adjustment, Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss), Available-For-Sale Securities Adjustment, Net of Tax [Abstract] Net unrealized investment gains (losses): Accumulated appreciation or loss, net of tax, in value of the total of unsold securities at the end of an accounting period, including the portion attributable to noncontrolling interests. Accumulated Other Comprehensive Income (Loss), Available for sale Securities Adjustment, Net of Tax, Including Portion Attributable Noncontrolling Interest Net unrealized investment gains (losses) including noncontrolling interests Accumulated appreciation or loss, net of tax, in value of the total of available-for-sale securities at the end of an accounting period, including portion attributable to noncontrolling interests. Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Including Portion Attributable to Noncontrolling Interest Net unrealized investment gains (losses), before noncontrolling interest This item represents net unrealized investment gains (losses) attributable to noncontrolling interests. Accumulated Other Comprehensive Income (Loss), Available for sale Securities Adjustment, Net of Tax, Portion Attributable Noncontrolling Interest Less: net unrealized investment gains (losses) attributable to noncontrolling interests This item represents the increase (decrease) in net unrealized investment gains (losses) related to income taxes. Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Tax Income taxes, net Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Derivatives qualifying as effective accounting hedges, end of period Derivatives qualifying as effective accounting hedges, beginning of period Derivatives designated as cash flow hedges gain (loss), amount expected to be reclassified to future net income (loss), net of tax Derivatives qualifying as hedges Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges, including portion attributable to noncontrolling interests. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses. Accumulated Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Including Portion Attributable to Noncontrolling Interest Derivatives qualifying as hedges, before noncontrolling interests Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses, and other adjustments, net of reclassifications, including portion attributable to noncontrolling interests. Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment and Other Adjustments Tax Including Portion Attributable to Noncontrolling Interest Foreign currency translation and other adjustments, before noncontrolling interests Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Foreign currency translation and other adjustments, ending balances Foreign currency translation and other adjustments, beginning balances Foreign currency translation and other adjustments Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive income (loss), ending balances Accumulated other comprehensive income (loss), beginning balances Accumulated other comprehensive income (loss) Total accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated other comprehensive income (loss): Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end, including portion attributable to noncontrolling interests. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. Accumulated Other Comprehensive Income Loss Net Of Tax Including Portion Attributable To Noncontrolling Interest Accumulated other comprehensive income (loss), before noncontrolling interests Accumulated Other Comprehensive Income Loss Net Of Tax [Line Items] Accumulated Other Comprehensive Income Loss Net Of Tax [Line Items] Accumulated Other Comprehensive Income Loss Net Of Tax [Line Items] Accumulated Other Comprehensive Income Loss Net Of Tax [Table] Accumulated Other Comprehensive Income Loss Net Of Tax [Table] Accumulated Other Comprehensive Income Loss Net Of Tax [Table] Accumulated other comprehensive income (loss) related to portion of other than temporary impairment (OTTI) on debt securities categorized as available-for-sale that an entity does not intend to sell and which it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis of the debt security. The amount represented by this item is net of tax, as applicable. Accumulated Other Comprehensive Income (Loss) Other than Temporary Impairment, Net of Tax Available for Sale Debt Securities Net unrealized gains (losses) on other-than-temporarily impaired securities Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities Net unrealized gains (losses) on securities not other-than-temporarily impaired AOCI Attributable to Parent [Member] Accumulated other comprehensive income (loss) Additional Paid in Capital Additional paid-in capital Additional Paid-in Capital [Member] Additional paid-in capital Adjustment to net investment gains (losses) for DAC and other intangibles amortization and certain benefit reserves, before taxes, to arrive at net operating income (loss). Adjustment for Deferred Acquisition Costs and Other Intangible Amortization and Certain Benefit Reserves Adjustment for DAC and other intangibles and certain benefit reserves Adjustment to net investment gains (losses) for portion attributable to noncontrolling interests, before taxes, to arrive at net operating income (loss). Adjustment For Portion Attributable To Noncontrolling Interests Adjustment for portion attributable to noncontrolling interests Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income (loss) to net cash from operating activities: Adjustments to reconcile net income to net cash from operating activities: Allowance for Credit Losses [Member] Allowance for Credit Losses [Member] Allowance for Credit Losses Allowance for Credit Losses on Financing Receivables [Table Text Block] Allowance for Credit Losses and Recorded Investment in Commercial Mortgage Loans Allowance for Loan and Lease Losses, Real Estate Ending balance Beginning balance Allowance for losses Allowance for Loan and Lease Losses, Write-offs Charge-offs Amendment Flag Amendment Flag The aggregate expense charged against earnings to allocate the cost of deferred acquisition costs and intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by (used in) operations using the indirect method. Amortization of deferred acquisition costs and intangibles Amortization of deferred acquisition costs and intangibles Amount of Restricted Net Assets for Consolidated and Unconsolidated Subsidiaries Restricted net assets Apartment Building [Member] Apartments Asset Held For Sale [Member] Asset Held For Sale [Member] Asset Held For Sale Assets Total assets Total assets Assets [Abstract] Assets Assets, Fair Value Disclosure Total assets Amount of assets held for sale related to discontinued operations before any impairment loss to write down from carrying value to fair value less cost to sell. Assets Held for Sale Related to Discontinued Operations, Before Impairment Assets held for sale Disposal Group, Including Discontinued Operation, Assets Assets held for sale Total assets held for sale Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Assumed tax rate on adjustments to reconcile net income to net operating income. Assumed Tax Rate On Adjustments Assumed tax rate on adjustments to net operating income Australia Mortgage Insurance [Member] Australia Mortgage Insurance [Member] Australia Mortgage Insurance Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax Gross unrealized gains, fixed maturity securities Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax Gross unrealized losses, fixed maturity securities Available-for-sale Debt Securities, Amortized Cost Basis Amortized cost or cost, fixed maturity securities Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax Gross unrealized gains, equity securities Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax Gross unrealized losses, equity securities Available-for-sale Equity Securities, Amortized Cost Basis Amortized cost or cost, equity securities Available-for-sale Securities Fair value, total Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax Gross unrealized gains Available-for-sale Securities, Accumulated Gross Unrealized Gain (Loss), before Tax Subtotal Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax Gross unrealized losses Available-for-sale Securities, Amortized Cost Basis Amortized cost or cost, total Available-for-sale Securities, Change in Net Unrealized Holding Gain (Loss), Net of Tax Net unrealized investment gains (losses), current period OCI Change in net unrealized investment gains (losses) Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 12 months or more, Gross unrealized losses 12 months or more, Gross unrealized losses Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss Gross unrealized losses Gross unrealized losses Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss [Abstract] Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss [Abstract] Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Fair value Fair value Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block] Gross Unrealized Losses and Fair Values of Securities in a Continuous Unrealized Loss Position Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Less than 12 months, Gross unrealized losses Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value Less than 12 months, Fair value Available for Sale Securities Continuous Unrealized Loss Position [Line Items] Available for Sale Securities Continuous Unrealized Loss Position [Line Items] Available for Sale Securities Continuous Unrealized Loss Position [Line Items] Available for Sale Securities Continuous Unrealized Loss Position [Table] Available for Sale Securities Continuous Unrealized Loss Position [Table] Available for Sale Securities Continuous Unrealized Loss Position [Table] Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 12 months or more, Fair value Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Rolling Maturity [Abstract] Amortized cost or cost Available-for-sale Securities, Debt Maturities, Fair Value, Rolling Maturity [Abstract] Fair value Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Amortized Cost Basis Due one year or less Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Fair Value Due one year or less Available-for-sale Securities, Debt Maturities, Rolling after Year Ten, Amortized Cost Basis Due after ten years Available-for-sale Securities, Debt Maturities, Rolling after Year Ten, Fair Value Due after ten years Available-for-sale Securities, Debt Maturities, Rolling Year Six Through Ten, Amortized Cost Basis Due after five years through ten years Available-for-sale Securities, Debt Maturities, Rolling Year Six Through Ten, Fair Value Due after five years through ten years Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Amortized Cost Basis Due after one year through five years Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Fair Value Due after one year through five years Available-for-sale Securities, Debt Maturities, Single Maturity Date Subtotal Available-for-sale Securities, Debt Maturities, Single Maturity Date, Amortized Cost Basis Subtotal Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis Fixed maturity securities Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value Fixed maturity securities Available-for-sale Securities, Debt Securities Fixed maturity securities available-for-sale, at fair value Available-for-sale debt securities Fair value, fixed maturity securities Fair value, fixed maturity securities This item represents unrealized investment gains (losses) related to equity securities. Available for sale Securities, Equity, Net Unrealized Gain (Loss) Equity securities Available-for-sale Securities, Equity Securities Fair value, equity securities Available-for-sale equity securities Equity securities available-for-sale, at fair value This item represents unrealized investment gains (losses) related to fixed maturity securities. Available for sale Securities, Fixed Maturity, Net Unrealized Gain (Loss) Fixed maturity securities Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments Net realized gains (losses) on available-for-sale securities Available-for-sale Securities, Gross Realized Gains Realized gains Available-for-sale Securities, Gross Realized Losses Realized losses Available-for-sale Securities, Income Tax Expense on Change in Unrealized Holding Gain (Loss) Provision for income taxes Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions Number of securities in a continuous loss position Number of securities in a continuous loss position Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater than or Equal to One Year 12 months or more, Number of securities in a continuous loss position Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Less than One Year Less than 12 months, Number of securities in a continuous loss position Available-for-sale Securities [Table Text Block] Fixed Maturity and Equity Securities Stated percentage below cost of available-for-sale securities in an unrealized loss position. Available for Sale Securities Unrealized Loss Stated Percentage Stated percentage below cost of securities in unrealized loss position Stated percentage below cost of available-for-sale securities in a continuous loss position for less than twelve months. Available For Sale Securities Unrealized Loss Stated Percentage Less Than Twelve Months Less than 12 months, stated percentage below cost of securities in unrealized loss position Stated percentage below cost of available-for-sale securities in a continuous loss position for twelve months or longer. Available For Sale Securities Unrealized Loss Stated Percentage Twelve Months Or Longer 12 months or more, stated percentage below cost of securities in unrealized loss position Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Benefits, Losses and Expenses Total benefits and expenses Total benefits and expenses Benefits, Losses and Expenses [Abstract] Benefits and expenses: A payment of cash or other consideration by the issuer to noteholders in exchange for noteholder consent to amend the existing terms and conditions of the notes. Bond Consent Fees Amount Bond consent fees Bond consent fees Borrowings Related to Securitization Entities [Member] Borrowings Related to Securitization Entities [Member] Borrowings related to securitization entities Broker Quotes [Member] Broker Quotes [Member] Broker Quotes CANADA Canada Canada Mortgage Insurance [Member] Canada Mortgage Insurance [Member] Canada Mortgage Insurance This element represents disclosure of the aggregate capital contributions paid in cash to consolidated subsidiaries by the parent company. Capital Contributions Paid To Consolidated Subsidiaries By Parent Company Capital contributions to subsidiaries Capital Goods [Member] Capital Goods [Member] Capital goods Reported Value Measurement [Member] Carrying value Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents of continuing operations at end of period Cash and cash equivalents Cash and cash equivalents of continuing operations at end of period Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash and Cash Equivalents, Period Increase (Decrease) Net change in cash and cash equivalents Net change in cash and cash equivalents Cash, cash equivalents and short-term investments Cash Cash Equivalents And Short Term Investments [Member] Cash, cash equivalents and short-term investments Cash Dividends Paid to Parent Company by Consolidated Subsidiaries Dividends from subsidiaries Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months Derivatives designated as cash flow hedges gain (loss), amount expected to be reclassified to net income (loss) in the next 12 months, net of tax Cash Flow Hedging [Member] Cash Flow Hedges Cash Provided by (Used in) Financing Activities, Discontinued Operations Cash from financing activities-held for sale Cash Provided by (Used in) Investing Activities, Discontinued Operations Cash from investing activities-held for sale Cash Provided by (Used in) Operating Activities, Discontinued Operations Cash from operating activities-held for sale Tabular disclosure of the change in net unrealized holding gain or loss on available-for-sale securities that has been included in accumulated other comprehensive income, a separate component of shareholders' equity, during the period. Change in Net Unrealized Gains and Losses from Investment Securities [Table Text Block] Change in Net Unrealized Gains (Losses) on Available-for-Sale Investment Securities Reported in Accumulated Other Comprehensive Income (Loss) The charges assessed to an insured for insurance provided. The charge may be based on the age, sex and risk classification of the insured. Charges assessed to policyholders Charges assessed to policyholders Variable Interest Entity, Classification [Domain] Variable Interest Entity, Classification [Domain] Amount of over collateralization related to collateral we posted to derivative counterparties. Collateral Delivered to Counterparties on Derivative Instruments, Over Collateralization Over collateralization, derivatives liabilities Amount of collateral we pledged related to derivative counterparty agreements that was provided to the counterparties. Collateral Pledged to Counterparties on Derivative Instruments Collateral pledged Over collateralization from counterparties related to retained collateral from derivative counterparties. Collateral Received from Counterparties on Derivative Instruments, Over Collateralization Over collateralization, derivatives assets Minimum amount of collateral required by a borrower to be provided on a daily basis of the fair value of the applicable securities loaned. Collateral Requirements, Minimum Percentage, Collateral To Fair Value Of Securities Loaned Under Security Lending Transactions Cash and government securities collateral, minimum amount of the fair value of the applicable securities loaned Commercial Loan [Member] Commercial Mortgage Loan Commercial Mortgage Backed Securities [Member] Commercial mortgage-backed Aggregate net gain (loss) related to commercial mortgage loans that is recognized in earnings during the period, before tax effects, including changes to the allowance for loan losses. Commercial Mortgage Loans Gain (Loss) Commercial mortgage loans Commercial mortgage loans Commercial Mortgage Loans [Member] Commercial mortgage loans This item represents the carrying value of commercial mortgage loans that were modified or extended in the period. Commercial Mortgage Loans Modified or Extended Carrying Value Commercial mortgage loans modified or extended, carrying value This item represents the number of commercial mortgage loans that were modified or extended in the period. Commercial Mortgage Loans Modified or Extended Number of Loans Commercial mortgage loans modified or extended, number of loans Commercial Mortgage Loans Recorded Investment [Member] Commercial Mortgage Loans Recorded Investment [Member] Commercial Mortgage Loans Recorded Investment Commitments and Contingencies Commitments and contingencies Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Line Items] Commitments and Contingencies Disclosure [Line Items] Commitments and Contingencies Disclosure [Line Items] Commitments and Contingencies Disclosure [Table] Commitments and Contingencies Disclosure [Table] Commitments and Contingencies Disclosure [Table] Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Amount of commitment to fund limited partnership investments as of the balance sheet date that is not recorded. Commitment to Fund Limited Partnership Investments Commitment to fund limited partnership investments Amount of commitment to fund private placement investments as of the balance sheet date that is not recorded. Commitment to Fund Private Placement Investments Commitment to fund private placement investments Amount of commitment to fund U.S. commercial mortgage loan investments as of the balance sheet date that is not recorded. Commitment to Fund US Commercial Mortgage Loan Investments Commitment to fund U.S. commercial mortgage loan investments Common Stock [Member] Common stock Common Stock, Par or Stated Value Per Share Class A common stock, par value Common Stock, Shares Authorized Class A common stock, shares authorized Common Stock, Shares, Issued Class A common stock, shares issued Common Stock, Shares, Outstanding Class A common stock, shares outstanding Common Stock, Value, Issued Class A common stock, $0.001 par value; 1.5 billion shares authorized; 587 million and 586 million shares issued as of June 30, 2016 and December 31, 2015, respectively; 498 million shares outstanding as of June 30, 2016 and December 31, 2015 Common stock Components of Net Unrealized Investment Gains Losses Included in Accumulated Other Comprehensive Income Loss [Line Items] Components of Net Unrealized Investment Gains Losses Included in Accumulated Other Comprehensive Income Loss [Line Items] Components of Net Unrealized Investment Gains Losses Included in Accumulated Other Comprehensive Income Loss [Line Items] Components Of Net Unrealized Investment Gains Losses Included In Accumulated Other Comprehensive Income Loss [Table] Components Of Net Unrealized Investment Gains Losses Included In Accumulated Other Comprehensive Income Loss [Table] Components Of Net Unrealized Investment Gains Losses Included In Accumulated Other Comprehensive Income Loss [Table] Comprehensive Income (Loss), Net of Tax, Attributable to Parent Total comprehensive income (loss) available to Genworth Financial, Inc.'s common stockholders Total comprehensive income (loss) available to Genworth Financial, Inc.'s common stockholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Comprehensive income (loss): Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Less: comprehensive income (loss) attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Total comprehensive income (loss) Total comprehensive income (loss) Comprehensive Income (Loss) Note [Text Block] Changes in Accumulated Other Comprehensive Income (Loss) Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk, Market Risk Percentage of stockholders' equity by which no single issuer of fixed maturity securities exceeded Concentration Risk, Percentage Percent of investment portfolio, greater than 10% Concentration Risk Type [Domain] Concentration Risk Type [Domain] Condensed Financial Information of Parent Company Only Disclosure [Abstract] Condensed Financial Information of Parent Company Only Disclosure [Abstract] Condensed Financial Information of Subsidiaries Disclosure [Abstract] Condensed Financial Information of Subsidiaries Disclosure [Abstract] Condensed Financial Information of Subsidiaries Disclosure [Abstract] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements [Text Block] Condensed Consolidating Financial Information Condensed Statement of Comprehensive Income [Table Text Block] Condensed Consolidating Statement of Comprehensive Income Total payment of cash or other consideration by the issuer to noteholders in exchange for noteholder consent to amend the existing terms and conditions of the notes, including but not limited to, legal, accounting, broker, and regulatory fees. Consent Solicitation Fees Total Fees related to Consent Solicitation Consolidation, Eliminations [Member] Eliminations Consumer- Cyclical [Member] Consumer Cyclical [Member] Consumer-cyclical Consumer-non-cyclical Consumer Non Cyclical [Member] Consumer-non-cyclical Corporate and Other [Member] Corporate and Other Corporate Debt Securities [Member] Corporate Debt Securities Credit Default Swap [Member] Credit default swaps Total Credit Default Swaps on Index Tranches [Member] Credit Default Swaps on Index Tranches [Member] Total Credit Default Swaps on Index Tranches Credit Default Swaps Related to Securitization Entities [Member] Credit Default Swaps Related to Securitization Entities [Member] Credit default swaps related to securitization entities Credit Derivatives Contract Type [Axis] Credit Derivatives Contract Type [Axis] Credit Derivatives Contract Type [Domain] Credit Derivatives Contract Type [Domain] Credit Risk Derivative Assets, at Fair Value Assets Credit Risk Derivative Liabilities, at Fair Value Liabilities Currency Swap [Member] Foreign currency swaps Current attachment percentage related to credit default swaps where we sell protection on credit default swap index tranches. Current Attachment Percentage Current attachment percentage Current detachment percentage related to credit default swaps where we sell protection on credit default swap index tranches. Current Detachment Percentage Current detachment percentage Current Fiscal Year End Date Current Fiscal Year End Date Current Current [Member] Current Customized Credit Default Swap Index Tranches Related To Securitization Entities [Member] Customized Credit Default Swap Index Tranches Related To Securitization Entities [Member] Securitization Entities Debt and Financial Instruments [Abstract] Debt and Financial Instruments [Abstract] Debt and Financial Instruments [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Text Block] Borrowings and Other Financings Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Basis Spread on Variable Rate Variable interest Debt Instrument, Interest Rate, Stated Percentage Interest rate Debt Instrument [Line Items] Debt Instrument [Line Items] Year when the debt instrument is scheduled to be fully repaid, in CCYY format. Debt Instrument Maturity Year Debt instrument, maturity year Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Debt Instrument, Redemption, Description Debt redemption description Debt Instrument, Redemption Price, Percentage Redemption price percentage Debt Instrument, Repurchased Face Amount Aggregate principal amount of notes repurchased Principal amount of notes repurchased