Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Fixed maturities, at FVO Fixed Maturities, At Fair Value Using The Fair Value Option [Member] Fixed Maturities, At Fair Value Using The Fair Value Option Deferred Tax Asset [Domain] Deferred Tax Asset [Domain] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Assets: Offsetting Derivative Assets [Abstract] Title of 12(b) Security Title of 12(b) Security Carrying
Value Reported Value Measurement [Member] Other equity investments Equity Method Investments [Member] Schedule of Available-for-sale Securities [Table] Debt Securities, Available-for-Sale [Table] Net income (loss) available to Holdings’ common shareholders, diluted Net income (loss) available to Holdings’ common shareholders, diluted Net Income (Loss) Available to Common Stockholders, Diluted Interest credited to policyholders’ account balances Policyholder Account Balance, Interest Expense, Adjusted Policyholder Account Balance, Interest Expense, Adjusted Purchase of AB Holding Units to fund long-term incentive compensation plan awards, net Purchase Of Noncontrolling Interests For Share-Based Compensation Plan Purchase Of Noncontrolling Interests For Share-Based Compensation Plan Adjustment to Compensation, Amount Adjustment to Compensation Amount Schedule of Policyholder Account Balance Policyholder Account Balance [Table Text Block] Financial Instrument [Axis] Financial Instrument [Axis] Other invested assets: Other Assets, Fair Value Disclosure Segment Reporting [Abstract] Segment Reporting [Abstract] Schedule of Proceeds and Gains (Losses) on Sales for Available-for-Sale Fixed Maturities Available For Sale Fixed Maturities Proceeds Gross Gains And Gross Losses From Sales And Other Than Temporary Impairments [Table Text Block] Tabular disclosure for proceeds from sales, gross gains and losses recognized from those sales and the amount of other than temporary impairments recognized during the periods presented separated by those recognized in earnings and those losses recognized in other comprehensive income (loss) for available for sale fixed maturities. Separate Account Asset Category [Axis] Separate Account Asset Category [Axis] Less: Reinsurance recoverable Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance EMPLOYEE BENEFIT PLANS Retirement Benefits [Text Block] Separate Accounts assets Separate Account Asset Derivative Instrument [Axis] Derivative Instrument [Axis] Amounts due to reinsurers Reinsurance Payable 0.00% - 1.50% Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0.00% To 1.50% [Member] Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0.00% To 1.50% Amortized Cost Basis by Origination Year Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] Change in purchased market risk benefit asset fair value Market Risk Benefit, Increase (Decrease) from Other Assumption Effect of reserve adjustment recorded in AOCI Liability For Future Policy Benefit, Expected Future Policy Benefit, Effect Of Shadow Reserve Adjustment Liability For Future Policy Benefit, Expected Future Policy Benefit, Effect Of Shadow Reserve Adjustment Net (increase) decrease in Allowance for Credit and Intent to Sell losses Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Period Increase (Decrease) Measurement Frequency [Axis] Measurement Frequency [Axis] U.S. government, agencies and authorities U.S. Treasury, government and agency U.S. Treasury, government and agency US Treasury and Government [Member] Consolidated Entities [Axis] Consolidated Entities [Axis] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Financial Instrument Performance Status [Domain] Financial Instrument Performance Status [Domain] Reduction of purchase MRB asset Increase (Decrease) in Market Risk Benefit, Assets The increase (decrease) in market risk benefit, assets during the period. IUL IUL Indexed Universal Life [Member] Indexed Universal Life Asset-backed Asset-Backed Securities [Member] Amortization Unearned Revenue, Liability, Amortization Unearned Revenue, Liability, Amortization Other comprehensive income (loss) net of income taxes: Other Comprehensive Income (Loss), Net of Tax [Abstract] Discount Factor Measurement Inputs, Discount Factor [Member] Measurement Inputs, Discount Factor [Member] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Axis] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Legacy Legacy [Member] Legacy Distribution to noncontrolling interest of consolidated subsidiaries Payments to Noncontrolling Interests 0% - 50% 0% To 50% [Member] Total gross unrealized losses Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Prior Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Common stock par value (in dollars per share) Common Stock, Par or Stated Value Per Share Schedule of Closed Block Operations, Net Results Closed Block Operations, Net Results [Table Text Block] Net amount at risk Market Risk Benefit, Net Amount at Risk Ages 61 - 115 Range Three [Member] Range Three [Member] Unrealized Investment Gains (Losses), All Other Unrealized Investment Gains (Losses), All Other [Member] Represents the unrealized investment gain (loss) on available for sale fixed maturities and equity securities which have never been other than temporarily impaired. Retirement Benefits [Abstract] Retirement Benefits [Abstract] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount 2049 Trust Pre-Capitalized Trust Securities, 2049 P-Caps [Member] Pre-Capitalized Trust Securities, Tranche Two [Member] Number of reportable segments Number of Reportable Segments Group Pension - Benefit Reserve & DPL Group Pension Group Pension [Member] Group Pension Schedule of Derivative Instruments by Category Schedule of Derivative Instruments [Table Text Block] Amortized cost of fixed maturities available-for-sale Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss Pre-Capitalized Trust Securities Pre-Capitalized Trust Securities [Member] Pre-Capitalized Trust Securities Entity Address, City or Town Entity Address, City or Town Available for exchange, shares NumberOfSharesAvailableForExchange Number Of Shares Available For Exchange (Gains) losses reclassified into net income (loss) during the period Other Comprehensive Income, Reclassification Adjustment, Sale And Write Down Of Securities, Included In Net Income Reclassification adjustment for unrealized gains or losses realized upon the sale of securities, after tax and for for unrealized gains or losses realized upon the write-down of securities, after tax. Amortized cost of fixed maturity AFS Closed Block Investments, Fixed Maturity, Available-for-Sale, Amortized Cost Net Derivatives Derivative, Fair Value, Net Effect of changes in discount rate assumptions AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Policyholders’ benefits and dividends Closed Block Operations, Policyholder Benefit And Dividends An expense for the period for estimated policy claims and distributions paid or accrued in an insurance entity's segregated group of participating or dividend-paying policies and contracts along with the assets allocated to them (known as a closed block), as typically reported in a table of closed block operations as part of summarized financial data. Exchange Traded Future Contract, Market [Axis] Exchange Traded Future Contract, Market [Axis] Regulation Number 213 Regulation Number 213 [Member] Regulation Number 213 Liability for market risk benefits Direct Liability Market Risk Benefit, Liability, Amount Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Unpaid outstanding balance and short-term borrowing Notes Issued By Consolidated Variable Interest Entity, Unpaid Outstanding Balance And Short-Term Borrowing Notes Issued By Consolidated Variable Interest Entity, Unpaid Outstanding Balance And Short-Term Borrowing Number of mortgage loans, foreclosure probable Number Of Mortgage Loans, Foreclosure Probable Number Of Mortgage Loans, Foreclosure Probable Assets of consolidated VIEs/VOEs Assets Of Consolidated VIEs/VOEs [Member] Assets of Consolidated VIEs/VOEs [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Wealth Management Wealth Management Wealth Management [Member] Wealth Management Total other comprehensive income (loss), net of income taxes Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] 90 Days or More Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Debt Service Coverage Ratio [Axis] Debt Service Coverage Ratio [Axis] Debt Service Coverage Ratio Net premiums collected Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected Net income (loss), before income taxes Closed Block Operations, Results before Income Taxes Redeemable preferred stock Redeemable preferred stock Redeemable Preferred Stock [Member] Schedule of Offsetting Financial Assets and Liabilities and Derivative Instruments Offsetting Assets And Liabilities [Table Text Block] Tabular disclosure of derivative and other financial assets and liabilities that are subject to offsetting, including master netting arrangements. Benefits payments Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment Policy charges and fee income Policy charges and fee income Insurance Commissions and Fees Investment Income [Table] Investment Income [Table] Segment Reporting Segment Reporting [Table Text Block] Separate Accounts assets Schedule of Fair Value of Separate Accounts by Major Category of Investment, Fair Value Loaned securities Securities Loaned, Fair Value of Collateral Deferred income tax expense (benefit) for change in defined benefit plans Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Other comprehensive income (loss) attributable to Holdings Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Lapse Rate Measurement Input, Lapse Rate [Member] Deferred income tax expense (benefit) for liability for future policy benefits - change in current discount rate OCI, Liability for Future Policy Benefit, Gain (Loss), after Reclassification Adjustment, Tax, Parent External Credit Rating by Grouping [Domain] External Credit Rating by Grouping [Domain] Debt securities Separate Account, Debt Security [Member] Due in years two through five Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Allowance for credit losses of mortgage loans on real estate Allowance for credit losses Balance, beginning of period Balance, end of period Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Document Period End Date Document Period End Date Purchased market risk benefits Purchased Market Risk Benefits Purchased Market Risk Benefits Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Debt instrument, face amount Debt Instrument, Face Amount Revolving Loans Converted to Term Loans Amortized Cost Basis Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan Net income (loss) applicable to Holdings’ common shareholders per common share: Earnings per common share: Earnings Per Share, Basic [Abstract] Debt instrument, term Debt Instrument, Term Treasury stock, at cost, 184,728,225 and 184,983,547 shares, respectively Treasury Stock, Common, Value Unaccrued amounts of reasonably possible range of losses Reasonably Possible Range Of Losses, Unaccrued Amount Reasonably Possible Range Of Losses, Unaccrued Amount Equity Method Investment, Nonconsolidated Investee [Axis] Equity Method Investment, Nonconsolidated Investee [Axis] Due after ten years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 Investment in capitalized software, leasehold improvements and EDP equipment Investment In Capitalized Software, Leasehold Improvements And EDP Equipment Purchase/Sales of capitalized software, leasehold improvements and EDP Equipment Policyholders’ account balances Policyholders’ liabilities: Investment contracts Policyholder Contract Deposit Changes in the instrument-specific credit risk Market Risk Benefit, after Increase (Decrease) from Instrument-Specific Credit Risk Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Unrealized and realized gains (losses) from fixed maturities Net Investment Income (Loss), Fixed Maturities, Net Realized And Unrealized Gain (Loss) Net Investment Income (Loss), Fixed Maturities, Net Realized And Unrealized Gain (Loss) Net Unrealized Investment Gains (Losses) [Axis] Net Unrealized Investment Gains (Losses) [Axis] Represents the axis for the schedule of unrealized gains (losses) on available for sale fixed maturities and equity securities shown by gross unrealized investment gains (losses), effects of DAC, Policyholder Liabilities and deferred taxes on AOCI. Defined benefit pension plans Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member] Policyholder account value Policyholder Account Value Policyholder Account Value Mortgage loans on real estate Mortgages [Member] EARNINGS PER COMMON SHARE Earnings Per Share [Text Block] EARNINGS PER COMMON SHARE Earnings Per Share [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Trading securities, at fair value Trading securities Debt Securities, Trading, and Equity Securities, FV-NI Total Liabilities Liabilities Liabilities Trading Symbol Trading Symbol Discount Rate Measurement Input, Discount Rate [Member] Fixed maturities available-for-sale, at fair value (amortized cost of $84,644 and $82,106) (allowance for credit losses of $8 and $0) Fair Value Fair Value Fixed maturities, AFS: Debt Securities, Available-for-Sale, Excluding Accrued Interest Total accumulated other comprehensive income (loss) AOCI Including Portion Attributable to Noncontrolling Interest [Member] Assets for market risk benefits Market Risk Benefit, Asset, Amount Direct Asset Market Risk Benefit, Asset, Amount Cash and securities collateral for derivative contract Collateral For Derivative Contract, Cash And Securities Carrying amount as of the balance sheet date of cash and securities collateral held for derivative contracts, for which the cash and securities are not restricted as to withdrawal or usage. Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Policyholder Account Balance [Abstract] Company Selected Measure Name Company Selected Measure Name Sale of Stock [Domain] Sale of Stock [Domain] Benefit payments Market Risk Benefit, Benefit Payment Other comprehensive income (loss) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Fixed maturities, available-for-sale Payments to Acquire Debt Securities, Available-for-Sale Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Withdrawals Repayments of Annuities and Investment Certificates Discounted cash flow Discounted Cash Flow, Valuation Technique [Member] Discounted cash flow valuation technique used to measure fair value. Financial Instrument Performance Status [Axis] Financial Instrument Performance Status [Axis] Current fiscal year Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Debt securities exposure in single issuer greater than stated percentage of total investments Debt Securities Exposure In Single Issuer Greater Than Stated Percentage Of Total Investments Investment disclosure of credit risk exposure to Debt securities in single issuer of less than a stated percentage of Company's total investments. Interest accrual Market Risk Benefit, Interest Expense Credit Facility [Domain] Credit Facility [Domain] Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Mortality Range [Domain] Mortality Range [Domain] [Domain] for Mortality Range [Axis] Remeasurement of liability for future policy benefits Remeasurement of liability for future policy benefits Increase (decrease) in remeasurement of liability for future policy benefits Liability for Future Policy Benefit, Remeasurement Gain (Loss) Carrying value of collateral pledged for federal home loan bank Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Disposal Group Name [Domain] Disposal Group Name [Domain] Available-for-sale securities, amortized cost basis other than investment grade Debt Securities, Available-For-Sale Securities, Amortized Cost Basis, Other Than Investment Grade Debt Securities, Available-For-Sale Securities, Amortized Cost Basis, Other Than Investment Grade AFS fixed maturities transferred from Level 3 to Level 2 Transfers out of level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Movement in Deferred Revenue [Roll Forward] Movement in Deferred Revenue [Roll Forward] Schedule of Net Investment Income Investment Income [Table Text Block] Realized and unrealized (gains) losses on trading securities Net Investment, Net Realized And Unrealized Gain (Loss) On Trading Securities Net Investment, Net Realized And Unrealized Gain (Loss) On Trading Securities Funding Agreement-Backed Commercial Paper Program Funding Agreement, Backed Commercial Paper Program [Member] Funding Agreement, Backed Commercial Paper Program Notes issued by consolidated VIEs Notes Issued By Consolidated Variable Interest Entities [Member] Notes Issued By Consolidated Variable Interest Entities Entities [Table] Entities [Table] Volatility Rate - Equity Measurement Input, Equity Volatility [Member] Measurement Input, Equity Volatility Other charges (2) Separate Accounts, Liability, Other Charges Separate Accounts, Liability, Other Charges Without single maturity date Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost Total Impact loss Income (Loss) from Continuing Operations before Income Taxes and after AOCI Amount of income (loss) from continuing operations before deduction of income tax and after changes in accumulated other comprehensive income. Award Timing Predetermined Award Timing Predetermined [Flag] Net investment gains (losses) recognized during the period on securities held at the end of the period Net Investment Income (Loss), Fixed Maturities, Change In Unrealized Holding Gain (Loss) Net Investment Income (Loss), Fixed Maturities, Change In Unrealized Holding Gain (Loss) Schedule of Components of Accumulated Other Comprehensive Income (Loss), Net of Taxes Comprehensive Income (Loss) [Table Text Block] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Residual liability closed block Residual liability closed block Residual liability closed block Stock compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Policyholders’ benefits Policyholder Benefits and Claims Incurred, Net Level 1 Fair Value, Inputs, Level 1 [Member] Other invested assets Other Invested Assets [Member] Other invested assets Other Comprehensive Income Other Comprehensive Income (Loss) [Member] Other Comprehensive Income (Loss) 90% plus Greater Than 90% [Member] Premiums and deposits Separate Account, Liability, Premium and Deposit Effect of dilutive potential common shares, employee share awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Reclassification adjustment Other Comprehensive Income, Reclassification Adjustment From AOCI, Sale And Write Down Of Securities, Tax Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities or other than temporary impairment. Retirement of common stock Redeemed and retired stock Stock Repurchased and Retired During Period, Value Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Non-Consolidated VIEs Non-consolidated Vairable Interest Entities (VIE) [Member] Non-consolidated Vairable Interest Entities (VIE) Residential mortgage-backed Residential Mortgage-Backed Securities [Member] Preferred stock par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Income Tax Expense (Benefit), Resulting From Adjustments To Income Income Tax Expense (Benefit), Resulting From Adjustments To Income Income Tax Expense (Benefit), Resulting From Adjustments To Income Long-term debt Long-Term Debt, Fair Value Notes issued by consolidated variable interest entities, at fair value using the fair value option Notes issued by consolidated VIE's, at fair value using the fair value option Notes Issued By Consolidated Variable Interest Entity, Fair Value Option Notes Issued By Consolidated Variable Interest Entity, Fair Value Option Interest expense and financing fees Interest and Debt Expense Momentum Momentum [Member] Momentum Subtotal Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost Net investment gains (losses) recognized on securities sold during the period Net Investment Income (Loss), Trading Securities, Realized Gain (Loss) Net Investment Income (Loss), Trading Securities, Realized Gain (Loss) Preferred stock and additional paid-in capital, $1 par value and $25,000 liquidation preference Preferred Stock And Additional Paid-In Capital, Value, Issued Preferred Stock And Additional Paid-In Capital, Value, Issued Collateral Collateralized Securities [Member] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Schedule of Deferred Policy Acquisition Costs Deferred Policy Acquisition Costs [Table Text Block] Due in one year or less Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Movement in Deferred Sales Inducements [Roll Forward] Movement in Deferred Sales Inducements [Roll Forward] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Balance, beginning of period Balance, end of period Market Risk Benefit, before Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change Futures Future, Including Netting [Member] Future, Including Netting 1.2x to 1.5x Ratio Between 1.2 To 1.5 Times Multiple [Member] INVESTMENTS Investment in Debt and Equity Securities and Other Trading Assets [Text Block] Long-term line of credit outstanding Long-Term Line of Credit Exposure in single issuer of total investments Debt Securities, Exposure In Single Issuer Of Total Investments Investment disclosure of credit risk exposure to Debt securities in single issuer of Company's total investments. Dividends paid on common stock Payments of Ordinary Dividends, Common Stock Expiration Date Trading Arrangement Expiration Date Hedging Relationship [Axis] Hedging Relationship [Axis] AB Retirement plan losses Increase (Decrease) in Asset Retirement Obligations Adjusted beginning of period balance Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Total Equity Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance Accumulated other comprehensive income (loss) attributable to Holdings Equity, Including Portion Attributable to Noncontrolling Interest Interest Accretion Interest Accretion [Member] Interest Accretion Debt issuances Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances Schedule of Liability for Future Policy Benefits, Weighted Average Interest Rates Schedule Of Liability For Future Policy Benefits, Weighted Average Interest Rates [Table Text Block] Schedule Of Liability For Future Policy Benefits, Weighted Average Interest Rates Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Derivative [Table] Derivative [Table] POLICYHOLDER ACCOUNT BALANCES Policy Holder Account Balances [Text Block] Policy Holder Account Balances Valuation Allowance [Table] Deferred Tax Asset, Valuation Allowance [Table] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Effect of changes in interest rate & cash flow assumptions and model changes Liability For Future Policy Benefit, Expected Future Policy Benefit, Interest Rate And Cash Flow Assumptions Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Rate and Cash Flow Assumptions Fixed maturities, available-for-sale Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale Segments [Domain] Segments [Domain] Segments [Domain] Interest swaps Interest Rate Swap [Member] Total Closed Block liabilities Closed Block Liabilities Disposal Group Classification [Domain] Disposal Group Classification [Domain] Payments of market risk benefits Payments Of Market Risk Benefits Payments Of Market Risk Benefits PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Mortgage loans on real estate Proceeds from Sale and Collection of Mortgage Notes Receivable Fair Value Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Domain] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Domain] Interest rate on debt instrument Debt Instrument, Interest Rate, Stated Percentage Total equity attributable to Holdings Balance, beginning of period Balance, ending of the period Equity, Attributable to Parent Disposal Group, Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Impact of settlement Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement 2029 Trust Pre-Capitalized Trust Securities, 2029 P-CAPs [Member] Pre-Capitalized Trust Securities, Tranche One [Member] ASSETS Assets [Abstract] EBITDA Multiples Measurement Input, EBITDA Multiple [Member] Broker-dealer related receivables Receivable from Broker-Dealer and Clearing Organization Other Invested assets Other Investments Percentage of reserves phased-in Statutory Accounting Practices, Reserves Phased-In, Percentage Statutory Accounting Practices, Reserves Phased-In, Percentage Schedule of Financing Receivable Credit Quality Indicators Financing Receivable Credit Quality Indicators [Table Text Block] Nonrecurring Fair Value, Nonrecurring [Member] Insider Trading Policies and Procedures [Line Items] Surrenders and withdrawals Policyholder Account Balance, Surrender and Withdrawal Nonperforming Nonperforming Financial Instruments [Member] Option Interest Rate option [Member] Interest Rate option. Cash and securities segregated, at fair value Cash and Securities Segregated under Federal and Other Regulations Issuances Liability for Future Policy Benefit, Expected Net Premium, Issuance General and administration expense Defined Benefit Plan, Plan Assets, Administration Expense Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items] Antidilutive securities (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Short term investments Proceeds from Sale of Short-Term Investments Revenue Adjustments, Gain (Loss) On Investments Revenue Adjustments, Gain (Loss) On Investments Revenue Adjustments, Gain (Loss) On Investments Entity Central Index Key Entity Central Index Key Weighted-average crediting rate Policyholder Account Balance, Weighted Average Crediting Rate Equity [Abstract] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Less: Other comprehensive income (loss) attributable to noncontrolling interest Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest Policy charges Separate Account, Liability, Policy Charge Accrued interest written off Financing Receivable, Accrued Interest, Writeoff Other Stockholders' Equity, Other Amount recorded in AOCI Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Less: Accumulated other comprehensive income (loss) attributable to noncontrolling interest AOCI Attributable to Noncontrolling Interest [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] UL UL Universal Life [Member] Designated for Hedge Accounting Designated as Hedging Instrument [Member] Fixed Maturities - Credit Loss Impairments Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] Fixed maturities Fixed Maturities [Member] Customer related payables Broker-Dealer, Payable to Customer Fixed maturities, at fair value using the fair value option Investments, Fixed Maturities, Fair Value Option, Variable Interest Entity Investments, Fixed Maturities, Fair Value Option, Variable Interest Entity Non-accruing Loans with No Allowance Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance Accumulated Other Comprehensive Income (Loss) Accumulated other comprehensive income (loss) attributable to Holdings AOCI Attributable to Parent [Member] Senior Notes Due 2029 Senior Notes Due 2029 [Member] Senior Notes Due 2029 All Individuals All Individuals [Member] Mortality Measurement Input, Mortality Rate [Member] Liability for future policy benefits - changes in current discount rate (net of deferred income tax expense (benefit) of $16 and $(17)) OCI, Liability for Future Policy Benefit, Gain (Loss), after Reclassification Adjustment and Tax, Parent Corporate Segment Corporate Segment [Member] Loss on novation Income (Loss) due to Novation in Pre-Tax Net Income Income (Loss) due to Novation in Pre-Tax Net Income Income (loss) due to Novation in pre-tax net income Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Performing Performing Financial Instruments [Member] Statement [Line Items] Statement [Line Items] Total Assets Assets Total assets Assets Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan [Table] Interest expense Interest Expense, Operating Organization Basis Of Presentation [Line Items] Organization Basis Of Presentation [Line Items] Liability for Future Policy Benefit Activity [Table] Liability for Future Policy Benefit Activity [Table] Equity Method Investment, Nonconsolidated Investee [Domain] Equity Method Investment, Nonconsolidated Investee [Domain] Operating Segments Operating Segments [Member] Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Equity (income) loss from limited partnerships Equity Income (Loss) From Limited Partnerships Equity Income (Loss) From Limited Partnerships Tender Offer [Domain] Tender Offer [Domain] Tender Offer Without single maturity date Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Fair Value PEO PEO [Member] Schedule of Net Unrealized Gains (Losses) on Available-for-Sale Fixed Maturities Unrealized Gain (Loss) On Investments With Other Than Temporary Impairment [Table Text Block] Tabular disclosure of unrealized gains and losses on investments with other than temporary investments. Investment management and service fees Investment Management And Service Fees Investment Management And Service Fees Benefits and Other Deductions: Closed Block Operations, Benefits and Expense [Abstract] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Number of positions in unrealized loss position Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions Liability for Future Policy Benefit, Activity [Line Items] Liability for Future Policy Benefit, Activity [Line Items] Retirement Retirement [Member] Retirement member. Accrued interest payable for notes issued by consolidated variable interest entity Notes Issued By Consolidated Variable Interest Entity, Accrued Interest Payable Notes Issued By Consolidated Variable Interest Entity, Accrued Interest Payable Balance, beginning of period Balance, end of period Unearned Revenue, Liability Unearned Revenue, Liability Unrealized and realized gains (losses) on equity securities Equity Securities, FV-NI, Gain (Loss) Funds reclassified out of redeemable noncontrolling interest Noncontrolling Interest, Decrease from Deconsolidation Retained Earnings Retained Earnings [Member] Fair Value Disclosures Fair Value Measurement, Policy [Policy Text Block] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis Fair Value, by Balance Sheet Grouping [Table Text Block] Public Corporate Corporate Corporate Debt Securities [Member] Diluted (in dollars per share) Earnings Per Share, Diluted Semi-annual facility fee rate Sale Of Stock, Semi-Annual Facility Fee, Rate Sale Of Stock, Semi-Annual Facility Fee, Rate Total derivative instruments Derivative Instruments Including Embedded Derivative [Member] Derivative Instruments Including Embedded Derivative Included in net income (loss) Other Comprehensive Income, Reclassification Adjustment For Sale And Write Down Of Securities Included In Income (Loss), Before Tax Other Comprehensive Income, Reclassification Adjustment For Sale And Write Down Of Securities Included In Income (Loss), Before Tax Impact of net unrealized investment gains (losses) Unrealized Gain (Loss) on Investments Non-cash long term incentive compensation expense Increase (Decrease) in Employee Related Liabilities Variable annuity product features, excluding change in MRBs Revenue Adjustments, Variable Annuity Product Features Revenue Adjustments, Variable Annuity Product Features Three years before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Total benefits and other deductions Benefits, Losses And Expenses, Adjusted Benefits, Losses And Expenses, Adjusted Accelerated Share Repurchase Agreement Accelerated Share Repurchase Agreement [Member] Accelerated Share Repurchase Agreement [Member] Greater Than 150 Basis Point Policyholder Account Balance, Above Guaranteed Minimum Crediting Rate, Range Greater Than 0150 [Member] Policyholder Account Balance, Above Guaranteed Minimum Crediting Rate, Range Greater Than 0150 Previously recognized impairments on securities that matured, paid, prepaid or sold Debt Securities, Available-For-Sale, Excluding Accrued Interest, Allowance For Credit Loss, Sold (Reversal Of Sale) Debt Securities, Available-For-Sale, Excluding Accrued Interest, Allowance For Credit Loss, Sold (Reversal Of Sale) Undrawn balance Line of Credit Facility, Remaining Borrowing Capacity Balance, beginning of period Balance, end of period Deferred Sale Inducement Cost Future policy benefits Increase (Decrease) in Future Policy Benefit Reserves Contract holder Bonus Interest Credits [Abstract] Contract Holder Bonus Interest Credits [Abstract] Percentage of loans receivable, fair value disclosure Percentage Of Loans Receivable, Fair Value Disclosure Percentage Of Loans Receivable, Fair Value Disclosure Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Short term investments Payments to Acquire Short-Term Investments Net amount at risk Policyholder Account Balance, Net Amount at Risk Deposits Proceeds from Annuities and Investment Certificates Credit losses recognized this period on securities for which credit losses were not previously recognized Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Not Previously Recorded Expense related to distribution fees Expense Related to Distribution or Servicing and Underwriting Fees Sales Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Debt securities exposure in single issuer of total investments, percentage Debt Securities, Exposure In Single Issuer Of Total Investments, Percentage Debt Securities, Exposure In Single Issuer Of Total Investments, Percentage Net Amount Derivative Liability, Including Not Subject to Master Netting Arrangement, after Offset and Deduction 1.51% - 2.50% Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1.50% To 2.50% [Member] Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1.50% To 2.50% Proceeds from the sale/maturity/pre-payment of: Proceeds from Sale, Maturity and Collection of Investments [Abstract] Expected future gross premiums (undiscounted) Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance Sale of Stock [Axis] Sale of Stock [Axis] Net derivative gains (losses) Net derivative (gains) losses Derivative, Gain (Loss) on Derivative, Net Fair Value Inputs Assets Quantitative Information [Table] Fair Value Inputs Assets Quantitative Information [Table] Tabular disclosure for quantitative fair value information. Schedule of Dividends Declared Dividends Declared [Table Text Block] Valuation Allowance by Deferred Tax Asset [Axis] Valuation Allowance by Deferred Tax Asset [Axis] Assets for market risk benefits GMIB Reinsurance Contracts, Fair Value Disclosure This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents investments GMIB reinsurance contracts as of the balance sheet date. Term Term [Member] Term Net investment income (loss) from trading securities Net Investment Income (Loss), Trading Securities Foreign governments Debt Security, Government, Non-US [Member] Options Equity Option [Member] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Service cost Defined Benefit Plan, Service Cost Policy loans Policy Loans [Member] Revolving Loans Amortized Cost Basis Financing Receivable, Excluding Accrued Interest, Revolving Mortality Range [Axis] Mortality Range [Axis] Mortality Range [Axis] Schedule of Financing Receivable, Allowance for Credit Loss Financing Receivable, Allowance for Credit Loss [Table Text Block] Common stock issued (in shares) Common Stock, Shares, Issued Balance, beginning of period Balance, end of period Fair value of fixed maturities AFS Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value At Guaranteed Minimum Policyholder Account Balance, at Guaranteed Minimum Crediting Rate [Member] Entity Information [Line Items] Entity Information [Line Items] Forwards Forward Contracts [Member] Net investment gains (losses) recognized during the period on securities held at the end of the period Net Investment Income (Loss), Trading Securities, Change In Unrealized Holding Gain (Loss) Net Investment Income (Loss), Trading Securities, Change In Unrealized Holding Gain (Loss) Change in unrealized gains or losses for the period included in earnings for instruments held at the end of the reporting period Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss) 12 months or longer, gross unrealized losses Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Additional credit losses this period on securities previously impaired Debt Securities, Available-For-Sale, Excluding Accrued Interest, Allowance For Credit Loss, Writeoff (Recovery) Debt Securities, Available-For-Sale, Excluding Accrued Interest, Allowance For Credit Loss, Writeoff (Recovery) Effect of changes in cash flow assumptions Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change Product and Service [Domain] Product and Service [Domain] Class of Stock [Line Items] Class of Stock [Line Items] Unrealized loss on available for sale securities Accumulated Other Comprehensive Income, Unrealized Gain (Loss) On Available-For-Sale Securities The balance as of the balance sheet date of accumulated other comprehensive income resulting from the net unrealized securities gains or losses on available for sale securities. Credit and intent to sell losses on available-for-sale debt securities and loans Credit and intent to sell losses on available-for-sale debt securities and loans Credit And Intent To Sell, Losses On Available-For-Sale Debt Securities And Loans Credit And Intent To Sell, Losses On Available-For-Sale Debt Securities And Loans Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Consolidated Entity, Excluding VIE Consolidated Entity, Excluding VIE [Member] Termination Date Trading Arrangement Termination Date S&P 500, Nasdaq, Russell 2000 And Emerging Market Indices S&P 500, Nasdaq, Russell 2000 And Emerging Market Indices [Member] S&P 500, Nasdaq, Russell 2000 And Emerging Market Indices Purchased MRB Purchased MRB [Member] Purchased MRB Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Net broker-dealer and customer related receivables/payables Increase (Decrease) in Broker-Dealer Related Receivables (Payables), Net Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Debt Service Coverage Ratio [Domain] Debt Service Coverage Ratio [Domain] Debt Service Coverage Ratio Change in defined benefit plan related items not yet recognized in periodic benefit cost, net of reclassification adjustment Change in defined benefit plans (net of deferred income tax expense (benefit) of $(10) and $2) Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Net Amount Derivative Asset, Including Not Subject to Master Netting Arrangement, after Offset and Deduction Fair Value as of Grant Date Award Grant Date Fair Value Schedule of Continuous Gross Unrealized Losses for Available-for-Sale Fixed Maturities Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] GMIB Utilization Rate Measurement Input, Utilization Rate [Member] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Share repurchase program, remaining authorized repurchase amount Share Repurchase Program, Remaining Authorized, Amount Arrangement Duration Trading Arrangement Duration Investment Management and Other Fees Investment Advice [Member] Deferred Policy Acquisition Cost [Line Items] Deferred Policy Acquisition Cost [Line Items] Consolidation Items [Axis] Consolidation Items [Axis] Other Others [Member] Others Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Policy loans Assets Designated to Closed Block, Policy Loans Less than 12 months, gross unrealized losses Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Market Risk Benefit [Table] Market Risk Benefit [Table] Allowance for credit losses of amounts due from reinsurers Reinsurance Recoverable, Allowance for Credit Loss Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Net income (loss) Net Income (Loss), Portion Attributable To Non-Redeemable Noncontrolling Interest Net Income (Loss), Portion Attributable To Non-Redeemable Noncontrolling Interest Total revenues Revenues Market Risk Benefit [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Net investment income (loss) Closed Block Operations, Net Investment Income Accounting and Consolidation of VIEs Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block] Separate account, liability, ceded Separate Account, Liability, Ceded Separate Account, Liability, Ceded Loan To Value Ratio [Axis] Loan To Value Ratio [Axis] Loan To Value Ratio Subtotal Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value AB Holding AB Holding [Member] AB Holding [Member] Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward] Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward] Percentage of available for sale securities Percentage Of Debt Securities, Available-For-Sale Securities Other than investment grade Securities as a percentage of aggregate amortized cost of fixed maturities held by the Company. All Award Types Award Type [Domain] Number of prescribed and permitted practices Statutory Accounting Practices, Number Of Prescribed And Permitted Practices Statutory Accounting Practices, Number Of Prescribed And Permitted Practices FAIR VALUE DISCLOSURES Fair Value Disclosures [Text Block] Earnings/Revenue Multiple Measurement Input, Revenue Multiple [Member] Level 3 Fair Value, Inputs, Level 3 [Member] Balance, end of period Policyholder Account Balance, After Funding Agreements Policyholder Account Balance, After Funding Agreements EQUI-VEST Group EG EQUI-VEST Group [Member] EQUI-VEST Group Cash surrender value Separate Account, Liability, Cash Surrender Value, Amount AB Retirement Plan AB Retirement Plan [Member] AB Retirement Plan NAV Fair Value Measured at Net Asset Value Per Share [Member] Interest accrual Liability for Future Policy Benefit, Expected Net Premium, Interest Income Retirement Plan Name [Domain] Retirement Plan Name [Domain] Other Assets Other Assets 30-59 Days Financial Asset, 30 to 59 Days Past Due [Member] Legal Entity [Axis] Legal Entity [Axis] Contingent Payment Arrangement Contingent Payment Arrangements [Member] Contingent Payment Arrangements [Member] Cash settlements related to derivative instruments, net Payments for (Proceeds from) Derivative Instrument, Investing Activities Investment gains (losses), net Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) On Investments Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) On Investments Purchase of treasury stock Treasury Stock, Value, Acquired, Cost Method Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Reissuance of treasury stock Stock Issued During Period, Value, Treasury Stock Reissued Non-NEOs Non-NEOs [Member] Statutory Accounting Practices, Regulation Number [Domain] Statutory Accounting Practices, Regulation Number [Domain] Statutory Accounting Practices, Regulation Number [Domain] Interest and dividend income from fixed maturities Net Investment Income (Loss), Fixed Maturities, Interest And Dividend Income Net Investment Income (Loss), Fixed Maturities, Interest And Dividend Income Allowance for credit losses on mortgage loans: Financing Receivable, Allowance for Credit Loss [Roll Forward] Additional shares received (in shares) Stock Repurchase Program, Additional Shares Received Stock Repurchase Program, Additional Shares Received Redundant reserve balance over TAR Statutory Accounting Practices, Total Asset Requirement, Reserves Statutory Accounting Practices, Total Asset Requirement Reserves Futures Equity Futures [Member] Net unrealized investment gains (losses), net of income tax: $16 and $12 Unrealized Investment Gains (Losses), Net Of Deferred Income Tax Expense (Benefit) And Policyholder Dividend Obligation Net increase or decrease in the period in the fair market value of investments that were allocated to the closed block net of deferred income tax (expense) benefit and policyholder dividend obligation. Interest credited to policyholders’ account balances Interest credited to policyholders’ account balances Interest credited Policyholder Account Balance, Interest Expense Derivative Liabilities Net Amount Presented in the Balance Sheets Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Due in years six through ten Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Purchase of treasury shares Payments for Repurchase of Common Stock Statistical Measurement [Axis] Statistical Measurement [Axis] Period to issue senior notes to Trusts Sale Of Stock, Contingent Funding Arrangement, Issuance Period Sale Of Stock, Funding Arrangement, Issuance Of Senior Notes To Trust, Period Amortization of deferred policy acquisition costs Amortization of deferred policy acquisition costs Deferred Policy Acquisition Cost, Amortization Expense, Net Investment Gains (Losses) Award Type Award Type [Axis] Effect of actual variances from expected experience Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience Present Value of Expected Net Premiums Liability for Future Policy Benefit, Expected Net Premium [Roll Forward] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Amortized Cost (Less Allowance for Credit Losses) Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Contingent payment gain Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease) Greater than 2.0x Ratio Greater Than 2 Times Multiple [Member] Capitalization Deferred Sale Inducement Cost, Capitalization Net Unrealized Gains (Losses) on Investments Net Unrealized Gains (Losses) On Investments [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Net Periodic Pension Expense Pension Plan [Member] Assets Designated to the Closed Block: Assets Designated to Closed Block [Abstract] Common Stock Common Stock [Member] External Credit Rating by Grouping [Axis] External Credit Rating by Grouping [Axis] Excess of Closed Block liabilities over assets designated to the Closed Block Excess of Reported Closed Block Liabilities over Assets Designated to Closed Block Series B Series B Preferred Stock [Member] Noncontrolling Interest [Abstract] Noncontrolling Interest [Abstract] EQUI-VEST Individual EI EQUI-VEST Individual [Member] EQUI-VEST Individual Derivative Contract [Domain] Derivative Contract [Domain] Change in LFPB discount rate and MRB credit risk, net of tax OCI, Market Risk Benefit, Instrument-Specific Credit Risk, Gain (Loss), after Adjustments and Tax [Abstract] Ages 0 - 40 Range One [Member] Range One [Member] 50% - 70% 50% To 70% [Member] Past Due Financial Asset, Past Due [Member] Total Liabilities, Redeemable Noncontrolling Interest and Equity Liabilities and Equity Investment gains (losses), net Realized Investment Gains (Losses) Employee Stock Option Share-Based Payment Arrangement, Option [Member] Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Noncontrolling interest Equity, Attributable to Noncontrolling Interest Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Asset Class [Axis] Asset Class [Axis] Trading securities, at fair value Debt Securities, Trading Tabular List, Table Tabular List [Table Text Block] Reclassification to Net income (loss) of amortization of net prior service credit included in net periodic cost Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax Fair Value Inputs Assets Quantitative Information [Line Items] Fair Value Inputs Assets Quantitative Information [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Additional paid-in capital Additional Paid in Capital Target liability change percentage Statutory Accounting Practices, Statutory Surplus, Target Liability Percentage Statutory Accounting Practices, Statutory Surplus, Target Liability Percentage Reinsurance recoverable and related balances, net Decrease in amounts due from reinsurers Increase (Decrease) in Reinsurance Recoverable Valuation Allowance [Line Items] Valuation Allowance [Line Items] Other Other Future Policyholder Benefits [Member] Other Future Policyholder Benefits Schedule of Liability for Future Policy Benefits, Undiscounted and Discounted Expected Gross Premiums and Expected Future Benefits and Expenses Schedule Of Liability For Future Policy Benefits, Undiscounted And Discounted Expected Gross Premiums And Expected Future Benefits And Expenses [Table Text Block] Schedule Of Liability For Future Policy Benefits, Undiscounted And Discounted Expected Gross Premiums And Expected Future Benefits And Expenses Issuances Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Schedule of Unrealized and Realized Gains (Losses) from Equity Securities and Net Investment Income (Loss) from Trading Securities and Net Investment Income (Loss) from Fixed Maturities, at Fair Value using the Fair Value Option Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block] Total benefits and other deductions Closed Block Operations, Benefits and Expense Deferred gain loss on reinsurance Deferred Gain Loss On Reinsurance Deferred Gain Loss On Reinsurance Separate Account, Liability [Roll Forward] Separate Account, Liability [Roll Forward] Gross investment income (loss) Other Investment Income (Loss), Gross Other Investment Income (Loss), Gross Less: Preferred stock dividends Preferred Stock Dividends and Other Adjustments Adjustment to Compensation: Adjustment to Compensation [Axis] VUL VUL Variable Universal Life [Member] Amount reclassified from (to) income to AOCI Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Extinguishment of debt, amount Extinguishment of Debt, Amount Foreign currency translation adjustments Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member] Issuances Market Risk Benefit, Issuance Hedging Designation [Axis] Hedging Designation [Axis] 60-89 Days Financial Asset, 60 to 89 Days Past Due [Member] Payout Payout Payout [Member] Payout Credit Facility [Axis] Credit Facility [Axis] Ceded reserves related to the non-insulated (“NI”) modco offset by NI modco payable Ceded reserves related to the non-insulated (“NI”) modco offset by NI modco payable Ceded reserves related to the non-insulated (“NI”) modco offset by NI modco payable Total Assets Assets, Fair Value Disclosure Market risk benefits - instrument-specific credit risk component Accumulated Gain (Loss), Financial Liability, Market Risk Benefit, Including Portion Attributable To Noncontrolling Interest [Member] Accumulated Gain (Loss), Financial Liability, Market Risk Benefit, Including Portion Attributable To Noncontrolling Interest Name Measure Name Mortgage loans, at fair value using the fair value option Payments To Acquire Mortgage loans at fair value using the fair value option Payments To Acquire Mortgage loans at fair value using the fair value option. Interest Accretion Liability for Future Policy Benefit, Interest Expense Recognized impairments on securities impaired to fair value this period Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Sell before Recovery Pay vs Performance Disclosure [Line Items] Other Other Operating Segment [Member] Adjusted beginning of period balance Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Interest accretion rate Weighted Average Interest Rate Additional Liability, Long-Duration Insurance, Weighted-Average Interest Accretion Rate Swaps Equity Swap [Member] Purchased market risk benefits Reinsurance, Due From Reinsurer, Fair Value Disclosure Reinsurance, Due From Reinsurer, Fair Value Disclosure Present Value of Expected Future Policy Benefits Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward] Corporate & Other Corporate Segment and Other Operating Segment [Member] Tender Offer [Axis] Tender Offer [Axis] Tender Offer Additional Paid-in Capital Additional Paid-in Capital [Member] Mortgage Loans Mortgage Loans [Member] Mortgage Loans Name Trading Arrangement, Individual Name Available-For-Sale Securities, Continuous Unrealized Loss Position [Line Items] Available-For-Sale Securities, Continuous Unrealized Loss Position [Line Items] Cash and cash equivalents Cash and Cash Equivalent Market Risk Benefit [Line Items] Market Risk Benefit [Line Items] Payment for the purchase/origination of: Payments to Acquire Investments [Abstract] Actual policyholder behavior different from expected behavior Market Risk Benefit, Increase (Decrease) from Actual Policyholder Behavior Different from Expected Effect of actual variances from expected experience Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience Investment gains (losses), net: Realized Investment Gains (Losses) [Abstract] Investment performance Separate Account, Liability, Increase (Decrease) from Invested Performance Company Selected Measure Amount Company Selected Measure Amount Change in collateralized pledged liabilities Increase (Decrease) In Collateralized Pledged Liabilities The increase (decrease) during the reporting period in the amount of collateralized pledged liabilities. Market comparable  companies Market Comparable Companies, Valuation Technique [Member] market comparable companies valuation technique used to measure fair value. Aggregate purchase price Tender Offer, Aggregate Purchase Price Tender Offer, Aggregate Purchase Price Deferred Income Tax Asset (Liability) Deferred Income Tax Asset (Liability) [Member] Retirement Plan Name [Axis] Retirement Plan Name [Axis] Percentage measurement input of equity securities Equity Securities, FV-NI, Measurement Input Right-of-use assets obtained in exchange for lease obligations Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Commercial, Agricultural And Residential Mortgage Loan Commercial, Agricultural And Residential Mortgage Loan [Member] Commercial, Agricultural And Residential Mortgage Loan Non-PEO NEO Non-PEO NEO [Member] Asset Management Asset Management [Member] Asset Management U.S. Treasury Notes, U.S. Treasury Bonds And Ultra-Long Bonds U.S. Treasury Notes, U.S. Treasury Bonds And Ultra-Long Bonds [Member] U.S. Treasury Notes, U.S. Treasury Bonds And Ultra-Long Bonds Award Timing Method Award Timing Method [Text Block] Change in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Novation Novation [Member] Company novate certain legacy variable annuity policies sold between years, comprised of policies containing fixed rate Guaranteed Minimum Income Benefit and/or Guaranteed Minimum Death Benefit guarantees Net income (loss) attributable to Holdings Net Income (Loss) Attributable to Parent Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] 2054 Trust Pre-Capitalized Trust Securities, 2054 P-Caps [Member] Pre-Capitalized Trust Securities, 2054 P-Caps Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Economic interest in Subsidiary Economic Interest In Subsidiary Percentage of economic interest held in a subsidiary or sister company Restatement Determination Date: Restatement Determination Date [Axis] Funding Agreements Policyholder Account Balance, Funding Agreements Policyholder Account Balance, Funding Agreements Market Risk Benefit [Roll Forward] Market Risk Benefit [Roll Forward] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Consolidated Amounts [Abstract] Consolidated Amounts [Abstract] Policy loans Loans, Gross, Insurance Policy 1.5x to 1.8x Ratio Between 1.5 To 1.8 Times Multiple [Member] Share repurchases, average purchase price (in dollars per share) Accelerated Share Repurchases, Average Purchase Price Accelerated Share Repurchases, Average Purchase Price Actuarial Gain (Loss) Adjustments, Defined Benefit Plan Actuarial Gain (Loss) Adjustments, Defined Benefit Plan Actuarial Gain (Loss) Adjustments, Defined Benefit Plan REVENUES Revenues [Abstract] Cash and securities collateral Collateral Already Posted, Aggregate Fair Value Measurement input of servicing liability Servicing Liability, Measurement Input Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Number of loans split into notes Financing Receivable, Excluding Accrued Interest, Modified In Period, Number Of Contracts Financing Receivable, Excluding Accrued Interest, Modified In Period, Number Of Contracts Deferred income tax expense (benefit) for change in unrealized gains (losses) OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax Statistical Measurement [Domain] Statistical Measurement [Domain] Reduction of liabilities for MRBs Increase (Decrease) in Market Risk Benefit, Liabilities The increase (decrease) in market risk benefit, liabilities during the period. Policyholder Account Balance [Line Items] Policyholder Account Balance [Line Items] Current discount rate Additional Liability, Long-Duration Insurance, Current Weighted-Average Discount Rate Document Fiscal Year Focus Document Fiscal Year Focus Gross Amount Offset in the Balance Sheets Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Life Life [Member] Life. Unrealized Investment Gains (Losses) With OTTI And All Other [Domain] Unrealized Investment Gains (Losses) With OTTI And All Other [Domain] Represents the domain for the schedule of unrealized gains (losses) on available for sale fixed maturities and equity securities split between those with OTTI and all other unrealized gains (losses) Other Equity Investments Other Equity Investments This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. This element also includes equity securities classified as available for sale carried at fair value. Other Other [Member] Other Gain (Loss) On Investments, Adjustments Gain (Loss) On Investments, Adjustments Gain (Loss) On Investments, Adjustments Common stock, $0.01 par value, 2,000,000,000 shares authorized; 466,227,784 and 468,341,734 shares issued, respectively; 281,499,559 and 283,358,187 shares outstanding, respectively Common Stock, Value, Issued Direct MRB Embedded Derivative, Fair Value of Embedded Derivative Liability Restatement Determination Date Restatement Determination Date Expected return on assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Effect of changes in discount rate assumptions AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax Impact of flooring LFPB at zero Liability For Future Policy Benefit, Expected Future Policy Benefit, Impact Of Flooring At Zero, Before Reinsurance Liability For Future Policy Benefit, Expected Future Policy Benefit, Impact Of Flooring At Zero, Before Reinsurance Amendment Flag Amendment Flag Schedule of Fair Value Disclosure Financial Instruments Not Carried At Fair Value Fair Value Disclosure, Financial Instruments Not Carried At Fair Value [Table Text Block] Disclosure of carrying values and estimated fair values for assets and liabilities, not carried at fair value where the fair value differs from the carrying value. Regulation Number 213 with Seperate Accounts Regulation Number 213, With Separate Accounts [Member] Regulation Number 213, With Separate Accounts Credit default swaps Credit default swaps Credit Default Swap [Member] Market risk benefits - changes in instrument-specific credit risk (net of deferred income tax expense (benefit) of $138 and $155) OCI, Market Risk Benefit, Instrument-Specific Credit Risk, Gain (Loss), after Adjustments and Tax Disposal Group Classification [Axis] Disposal Group Classification [Axis] Net investment income (loss) Net investment income (loss) Net Investment Income Percentage of total commercial mortgage loans representing amortized cost Financing Receivable, Modifications, Contracts Modified During Period, Percentage Of Loans Financing Receivable Modifications Contracts Modified During Period, Total Loans Other adjustments Other Adjustments To Income Other Adjustments To Income Exchange Traded Future Contract, Market [Domain] Exchange Traded Future Contract, Market [Domain] Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Schedule of Available-for-Sale Fixed Maturities by Classification Debt Securities, Available-for-Sale [Table Text Block] Loss Contingencies [Table] Loss Contingencies [Table] Beginning balance of original discount rate Ending Balance at original discount rate Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance Investment Edge IE Investment Edge [Member] Investment Edge GMxB Core GMxB Core Core1 [Member] Core1 Investments [Domain] Investments [Domain] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] AFS fixed maturities transferred from Level 2 to Level 3 Transfers into level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Other Other Comprehensive Income, Reclassification Adjustment, Other Other Comprehensive Income, Reclassification Adjustment, Other Entity Address, State or Province Entity Address, State or Province Basis points above guaranteed minimum crediting rate Policyholder Account Balance, above Guaranteed Minimum Crediting Rate Recovery of acquisition costs Deferred Policy Acquisition Costs Recovery of Acquisition Cost Deferred Policy Acquisition Costs Recovery of Acquisition Cost Depositary Shares, each representing a 1/1,000th interest in a share of Fixed Rate Noncumulative Perpetual Preferred Stock, Series C Series C Series C Preferred Stock [Member] Non-accruing Loans Financing Receivable, Excluding Accrued Interest, Nonaccrual PEO Total Compensation Amount PEO Total Compensation Amount Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Assets: Assets, Fair Value Disclosure [Abstract] Trading account securities Proceeds from Sale and Maturity, Debt Security, Trading, and Equity Security, FV-NI, Held-for-Investment Foreign currency translation adjustments: Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax [Abstract] Notional Amount Derivative, Notional Amount Basic (in shares) Weighted-average common shares outstanding — basic (in shares) Weighted Average Number of Shares Outstanding, Basic Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Schedule of Reconciliation of Assets and Liabilities at Level 3 Fair Value Assets, Unrealized Gains (Losses) By Category, Level 3 Assets And Liabilities [Table Text Block] Tabular disclosure of unrealized gains (losses) by category for Level 3 assets and liabilities still held at the end of the period. Capitalization of deferred policy acquisition costs Increase (Decrease) in Deferred Policy Acquisition Costs Schedule of Debt Securities, Available-for-Sale, Allowance for Credit Loss Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table Text Block] Investment assets, special purpose entity Investment Assets, Special Purpose Entity Investment Assets, Special Purpose Entity Investments: Investments [Abstract] Due in years six through ten Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Interest Income on Non-accruing Loans Financing Receivable, Nonaccrual, Interest Income CLOSED BLOCK Closed Block Disclosure [Text Block] Net investment income (loss) from fixed maturities Net Investment Income (Loss), Fixed Maturities Net Investment Income (Loss), Fixed Maturities Other equity investments Equity Method Investments, Fair Value Disclosure Amortized Cost (Less Allowance for Credit Losses) Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Expected Revenue Growth Rate Measurement Input, Long-Term Revenue Growth Rate [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Number of notes with original loan terms Financing Receivable, Excluding Accrued Interest, Modified In Period, Number Of Contracts With Original Loan Terms Financing Receivable, Excluding Accrued Interest, Modified In Period, Number Of Contracts With Original Loan Terms Dividends paid on preferred stock Payments of Ordinary Dividends, Preferred Stock and Preference Stock Class of Stock [Axis] Class of Stock [Axis] Net income (loss) available to Holdings’ common shareholders, basic Net Income (Loss) Available to Common Stockholders, Basic Swaps Swaps Including Netting [Member] Swaps Including Netting Decrease in reinsurance deposit liability Increase (Decrease) in Insurance Liabilities Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Other Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Other Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Other Currency forwards Currency Foward [Member] Currency Foward Dividends on preferred stock Dividends, Preferred Stock Gross losses on sales Debt Securities, Available-For-Sale Securities, Gross Realized Losses Of Securities Sold, Cost Basis Methodology Disclosure of the basis (methodology and assumptions) on which cost was determined (for example, specific identification, average cost, or other allowed methods) in computing realized (loss) on securities sold which were categorized neither as held-to-maturity nor trading. Mortgage loans on real estate (net of allowance for credit losses of $313 and $278) Mortgage loans on real estate Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Number of main client channels Number Of Client Channels Number Of Client Channels Investment expenses Investment expenses Investment Income, Investment Expense SCS, SIO, MSO and IUL Indexed Features SCS, SIO, MSO and IUL indexed features’ liability Embedded Derivative, Non-GMxB Insurance Products [Member] Represents non-GMXB insurance products considered embedded derivatives. Future Adoption of New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Excluded from net income (loss) Other Comprehensive Income Loss Reclassification Adjustment For Sale And Write Down Of Securities Excluded From Net Income Loss Before Tax Other Comprehensive Income Loss Reclassification Adjustment For Sale And Write Down Of Securities Excluded From Net Income Loss Before Tax Non-controlling Interest Noncontrolling Interest [Member] Net assessments collected Liability For Future Policy Benefit, Expected Future Policy Benefit, Net Assessments Liability For Future Policy Benefit, Expected Future Policy Benefit, Net Assessments REDEEMABLE NONCONTROLLING INTEREST Noncontrolling Interest Disclosure [Text Block] Schedule of Policyholder Account Balance, Guaranteed Minimum Crediting Rate Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Table Text Block] Current and deferred income taxes Increase (Decrease) in Income Taxes Payable Two years before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Net cash provided by (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Gross Amount not Offset in the Balance Sheets Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset EQUITY Equity [Text Block] Security Exchange Name Security Exchange Name Margin Margin [Member] Margin DAC AND OTHER DEFERRED ASSETS/LIABILITIES LIABILITIES FOR FUTURE POLICYHOLDER BENEFITS Insurance Disclosure [Text Block] Increase (decrease) in valuation allowance Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Purchased MRB Market Risk Benefit, Purchased Market Risk Benefit, Purchased Separate account equity investment carrying value Equity Investment, Separate Accounts, Carrying Value Represents the carrying value of Other equity investments included the General Account's investment in Separate Accounts Subtotal Subtotal - Products [Member] Subtotal - Products Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Unrealized and realized gains (losses) on trading securities Net Investment Income (Loss), Trading Securities, Net Realized And Unrealized Gain (Loss) Net Investment Income (Loss), Trading Securities, Net Realized And Unrealized Gain (Loss) Total Liabilities Liabilities, Fair Value Disclosure Loan to Value Measurement Input, Loan To Value [Member] Measurement Input, Loan To Value 12 months or longer, fair value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Mortgage loans on real estate Payments to Acquire Mortgage Notes Receivable Interest and dividend income from trading securities Net Investment Income (Loss), Trading Securities, Interest And Dividend Income Net Investment Income (Loss), Trading Securities, Interest And Dividend Income Closed Block Disclosure [Abstract] Closed Block Disclosure [Abstract] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Name Outstanding Recovery, Individual Name Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Gross Amount not Offset in the Balance Sheets Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Security Not Offset AB’s Bernstein Research Service AB’s Bernstein Research Service [Member] AB’s Bernstein Research Service Other investment income Other Other Investment Companies [Member] Statutory Accounting Practices [Abstract] Statutory Accounting Practices [Abstract] Percentage of total equity representing AFS fixed maturities transferred Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers, Percentage Percentage of transfers into assets measured at fair value that have taken place during the period. Amortization Deferred Sales Inducement Cost, Amortization Expense Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Other (4) Policyholder Account Balance, Other Policyholder Account Balance, Other SCS SCS [Member] SCS Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Fixed maturities AFS, at fair value (amortized cost of $2,582 and $2,621) (allowance for credit losses of $0 and $0) Assets Designated to Closed Block, Fixed Maturity, Available-for-Sale, at Fair Value Expected future benefit payments and expenses (undiscounted) Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance Investments Investment Fair Value Disclosure [Abstract] Fixed maturities, at fair value using the fair value option Fixed Maturities, Fair Value Using Fair Value Option [Member] Fixed Maturities, Fair Value Using Fair Value Option Net unrealized gains (losses) on investments Net unrealized gains (losses) on investments OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Non-cash transactions from investing and financing activities: Noncash Investing and Financing Items [Abstract] Other Payments to Acquire Other Investments Residential mortgages: Residential Mortgage [Member] Asset Class [Domain] Asset Class [Domain] Compensation Amount Outstanding Recovery Compensation Amount Non-Performance Risk Measurement Input, Nonperformance Risk [Member] Measurement Input, Nonperformance Risk [Member] Individual: Individual [Axis] Diluted (in shares) Weighted average common shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Entity Emerging Growth Company Entity Emerging Growth Company Related Party Transaction [Line Items] Related Party Transaction [Line Items] Total Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Underlying Security Market Price Change Underlying Security Market Price Change, Percent DERIVATIVES Derivative Instruments and Hedging Activities Disclosure [Text Block] Short-term debt Short-Term Debt Variable interest entity, maximum loss exposure Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Gross Amount Recognized Derivative Liability, Subject to Master Netting Arrangement, before Offset Mutual Funds Separate Account, Mutual Fund [Member] Separate Account, Mutual Fund Accrued investment income receivable Accrued Investment Income Receivable Change in fair value of Modco payable Change in Fair Value of Modco Payable Change in Fair Value of Modco Payable Net change in allowance Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Period Increase (Decrease) Gross Premium Liability for Future Policy Benefit, Gross Premium Income Treasury Stock Treasury Stock, Common [Member] Loan To Value Ratio [Domain] Loan To Value Ratio [Domain] Loan To Value Ratio Amounts due from reinsurers (allowance for credit losses of $7 and $7) Reinsurance Recoverable for Paid Claims and Claims Adjustments Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Repayment of collateralized loan obligations Repayments Of Collateralized Loan Obligations Repayments Of Collateralized Loan Obligations Trading account securities Payment for Acquisition, Trading Security, Held-for-Investment Unrealized gains (losses) on investments AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Including Noncontrolling Interest [Member] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Commercial mortgages: Commercial Commercial Loan [Member] Maximum units available to purchase (in shares) Tender Offer, Number Of Shares Available For Purchase, Maximum Tender Offer, Number Of Shares Available For Purchase, Maximum Ages 41 - 60 Range Two [Member] Range Two [Member] Commitments by the company to provide equity financing Guaranty Application, Equity Commitment To Certain Limited Partnerships Guaranty Application, Equity Commitment To Certain Limited Partnerships Balance BOP before changes in the instrument specific credit risk Balance EOP before changes in the instrument-specific credit risk Market Risk Benefit, after Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change Gross gains on sales Debt Securities, Available-For-Sale Securities, Gross Realized Gains Of Securities Sold, Cost Basis Methodology Disclosure of the basis (methodology and assumptions) on which cost was determined (for example, specific identification, average cost, or other allowed methods) in computing realized gain on securities sold which were categorized neither as held-to-maturity nor trading. All Executive Categories All Executive Categories [Member] Capitalization Unearned Revenue, Liability, Capitalization Unearned Revenue, Liability, Capitalization Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Total embedded derivatives Embedded Derivative Financial Instruments [Member] Schedule of Net Benefit Costs Schedule of Net Benefit Costs [Table Text Block] Redeemable noncontrolling interest Balance, beginning of period Balance, end of period Redeemable Noncontrolling Interest, Equity, Carrying Amount Model changes and effect of changes in cash flow assumptions Market Risk Benefit, Increase (Decrease) from Future Expected Policyholder Behavior Assumption Fixed maturities, at fair value using the fair value option Payments To Acquire Fixed Maturities At Fair Value Using Fair Value Option Payments To Acquire Fixed Maturities At Fair Value Using Fair Value Option Change in defined benefit plans: Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract] Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Change in statutory special surplus funds Statutory Accounting Practices, Statutory Surplus, Increase (Decrease) Statutory Accounting Practices, Statutory Surplus, Increase (Decrease) Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Domain] Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Domain] Capitalization Deferred Policy Acquisition Cost, Capitalization BUSINESS SEGMENT INFORMATION Segment Reporting [Text Block] Amounts included in AOCI: Closed Block Assets and Liabilities, Effect on Other Comprehensive Income (Loss) [Abstract] Minimum Minimum [Member] Guarantees Guarantees, Fair Value Disclosure Investment Type [Axis] Investment Type [Axis] Investments, fair value Investments, Fair Value Disclosure Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Schedule of Aggregate Fair Value of Separate Account Assets Fair Value, Separate Account Investment [Table Text Block] LIABILITIES Liabilities [Abstract] Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Weighted average common shares outstanding (in millions): Weighted-average common shares outstanding: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Premiums received Policyholder Account Balance, Premium Received Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Income taxes Income Tax Expense (Benefit), Adjusted Income Tax Expense (Benefit), Adjusted Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Derivatives Derivative [Member] Other liabilities Other Liabilities Cash Flow Multiples Measurement Input, Cash Flow Multiples [Member] Measurement Input, Cash Flow Multiples Dividends on common stock Dividends, Common Stock Net periodic pension expense Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Proceeds from sales, gross gains (losses) from sales and allowance for credit losses for AFS fixed maturities Available For Sale Fixed Maturities Proceeds Gross Gains And Gross Losses From Sales And Other Than Temporary Impairments [Abstract] Deferred Policy Acquisition Cost [Table] Deferred Policy Acquisition Cost [Table] Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Common stock authorized (in shares) Common Stock, Shares Authorized Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Shares issued (in shares) Sale of Stock, Number of Shares Issued in Transaction Due after ten years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Exercise Price Award Exercise Price Recurring Fair Value, Recurring [Member] Segment Reporting [Line Items] Segment Reporting [Line Items] Aggregate amount of share repurchases authorized Share Repurchase Program, Authorized, Amount Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] GMxB Core GMxB Core [Member] GMxB Core States and political subdivisions States and political subdivisions US States and Political Subdivisions Debt Securities [Member] Other policyholder funds and dividends payable Other Policyholder Funds And Dividends Payable [Member] Other Policyholder Funds And Dividends Payable Proceeds from sales Proceeds from Sale of Debt Securities, Available-for-Sale Consolidated Entity Consolidated Entities [Member] Fixed maturities, at fair value using the fair value option Proceeds From Sale And Maturity At Fair Value Using Fair Value Option Proceeds From Sale And Maturity At Fair Value Using Fair Value Option Revenue Adjustments, Other Revenue Adjustments, Other Revenue Adjustments, Other Balance, beginning of period Balance, end of period Debt Securities, Available-For-Sale, Allowance For Credit Loss, Excluding Accrued Interest, Including Impairment Debt Securities, Available-For-Sale, Allowance For Credit Loss, Excluding Accrued Interest, Including Impairment Less than 1.0x Ratio Less Than 1 Times Multiple [Member] Alliance Bernstein Alliance Bernstein [Member] Refers to an entity under the control of the same parent as another entity (that is, a sister company). Options Options Held [Member] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Amortization and depreciation Other Depreciation, Amortization And Accretion Other Depreciation, Amortization And Accretion Equity Component [Domain] Equity Component [Domain] Deferred policy acquisition costs Balance, beginning of period Balance, end of period Deferred Policy Acquisition Cost Measurement Input Type [Domain] Measurement Input Type [Domain] Subtotal Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Revenue and Interest Accretion Additional Liability, Long-Duration Insurance, Gross Premium Income BENEFITS AND OTHER DEDUCTIONS Benefits and other deductions Benefits, Losses and Expenses [Abstract] Proceeds from offering Sale of Stock, Consideration Received on Transaction CB Closed Block [Member] Closed Block Other liabilities Other Liabilities Derivatives [Member] Other Liabilities Derivatives Adoption Date Trading Arrangement Adoption Date Counterparty Name [Domain] Counterparty Name [Domain] Broker-dealer related payables Broker-Dealer, Payable to Other Broker-Dealer and Clearing Organization Activity related to consolidated VIEs/VOEs Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Consolidation Of Variable Interest Entities Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Consolidation of Variable Interest Entities. Income tax (expense) benefit Closed Block Operations, Income Taxes Recovery of unearned revenue reserves Unearned Revenue Liability Recovery of Unearned Revenue Unearned Revenue Liability Recovery of Unearned Revenue Financing Receivable, before Allowance for Credit Loss [Abstract] Financing Receivable, before Allowance for Credit Loss [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Surrenders and withdrawals Separate Account, Liability, Surrender and Withdrawal Interest credited to policyholders account balances participating group annuity contracts Interest Credited To Policyholders Account Balances, Participating Group Annuity Contracts Represents investment results passed through certain annuity contracts as interest credited to policyholders' account balances. Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] 1.8x to 2.0x Ratio Between 1.8 To 2 Times Multiple [Member] Balance (exclusive of Funding Agreements) Policyholder Account Balance, Before Funding Agreements Policyholder Account Balance, Before Funding Agreements Number of modifications to contracts Financing Receivable Number of Modifications Contracts Financing Receivable Number of Modifications Contracts Schedule of Market Risk Benefit, Activity Market Risk Benefit, Activity [Table Text Block] Other, net Proceeds from (Payment for) Other Financing Activity Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Transfers (to) from Separate Accounts Annuities And Investment Certificates, Transfer (To) From Separate Accounts Annuities And Investment Certificates, Transfer (To) From Separate Accounts Other Proceeds from Sale and Maturity of Other Investments Business Combination [Domain] Business Combination [Domain] Letter of Credit Letter of Credit [Member] COMMITMENTS AND CONTINGENT LIABILITIES Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accelerated Share Repurchases, Date [Axis] Accelerated Share Repurchases, Date [Axis] Statement of Statutory Accounting Principles 108 Statement Of Statutory Accounting, Principles 108 [Member] Statement Of Statutory Accounting, Principles 108 Financial Asset, Aging [Domain] Financial Asset, Aging [Domain] Unassigned surplus balance Statutory Accounting Practices, Statutory Unassigned Capital And Surplus, Balance Statutory Accounting Practices, Statutory Unassigned Capital And Surplus, Balance Policy charges Policyholder Account Balance, Policy Charge Weighted Average Weighted Average [Member] Underlying Asset Class [Axis] Underlying Asset Class [Axis] All Adjustments to Compensation All Adjustments to Compensation [Member] Corporate and Other Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Total Market Risk Benefit, Net Market Risk Benefit, Net Business Combination [Axis] Business Combination [Axis] Net cash provided by (used in) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Preferred stock, liquidation preference Preferred Stock, Liquidation Preference, Value 1 Basis Point - 50 Basis Point Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 [Member] Future policy benefits and other policyholders’ liabilities Liability for future policy benefits Net liability for additional liability Liability for Future Policy Benefit, before Reinsurance Schedule of Liability for Future Policy Benefits, Revenue and Interest Accretion Schedule Of Liability For Future Policy Benefits, Revenue And Interest Accretion [Table Text Block] Schedule Of Liability For Future Policy Benefits, Revenue And Interest Accretion Cash collateral Securities Received as Collateral Corporate Public Corporate [Member] Public Corporate Income Statement [Abstract] Income Statement [Abstract] Equity attributable to Holdings: Equity, Attributable to Parent [Abstract] Greater Than 2.50% Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Greater Than 2.50% [Member] Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Greater Than 2.50% Document Transition Report Document Transition Report Weighted-average duration of liability for future policyholder benefits (years) Weighted-average duration of additional liability - death benefit (years) Liability for Future Policy Benefit, Weighted-Average Duration Investment (gains) losses, net Gain (Loss) on Investments Current and deferred income taxes Deferred Income Tax Assets, Net Eliminations Intersegment Eliminations [Member] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Income tax on net unrealized investment gains (losses) Closed Block Operations, Deferred Income Tax Expense (Benefit) The amount of deferred income tax expense or benefit allocated to the operations of the closed block for the period. Policyholders’ account balances: Net Change Annuities and Investment Certificates [Abstract] Separate Accounts liabilities Balance, beginning of period Balance, end of period Separate Account, Liability Minimum requirement percentage of the fair value of the loaned securities to be held as cash collateral Required Percentage Of Fair Value Of Loaned Securities Held As Collateral, Minimum Required Percentage Of Fair Value Of Loaned Securities Held As Collateral, Minimum City Area Code City Area Code Statutory Accounting Practices, Regulation Number [Axis] Statutory Accounting Practices, Regulation Number [Axis] Statutory Accounting Practices, Regulation Number Name Forgone Recovery, Individual Name Benefit payments Separate Account, Liability, Benefit Payment Cash and other invested assets Assets Designated to Closed Block, Cash and Cash Equivalents Mortgage loans on real estate (net of allowance for credit losses of $17 and $24) Assets Designated to Closed Block, Mortgage Loans on Real Estate Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Premiums and other income Closed Block Operations, Premiums Entity [Domain] Entity [Domain] Schedule of Closed Block Assets and Liabilities Schedule of Closed Block Assets and Liabilities [Table Text Block] September 2025 and Terminated October 2025 Accelerated Share Repurchase Agreement September 2025 And Terminated October 2025 [Member] Accelerated Share Repurchase Agreement September 2025 And Terminated October 2025 Non-recurring tax items Tax Adjustments, Settlements, and Unusual Provisions Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Schedule of Balances of and Changes in Additional Liabilities Related to Insurance Guarantees Additional Liability, Long-Duration Insurance [Table Text Block] Policyholder Account Balance [Table] Policyholder Account Balance [Table] Segregated securities Segregated Securities, Fair Value Disclosure This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents investments in segregated securities as of the balance sheet date. Prior period service cost amortization Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Net Direct MRB Market Risk Benefit, Net Direct Market Risk Benefit, Net Direct 70% - 90% 70% To 90% [Member] Mortgage loans, at fair value using the fair value option Loan, Mortgage, Held-for-Sale, Fair Value Disclosure Direct MRB Guaranteed Minimum Insurance Benefits, No Lapse Guarantee [Member] Guaranteed Minimum Insurance Benefits no Lapse Guarantee [Member] Net liability for future policy benefits, after reinsurance recoverable Liability for Future Policy Benefit, after Reinsurance Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Unfunded commitments Variable Interest Entity, Unused Commitments Variable Interest Entity, Unused Commitments Measurement Basis [Axis] Measurement Basis [Axis] Gross Amount Offset in the Balance Sheets Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Number of extinguishment of modified loans Number of extinguishment of modified loans Number of extinguishment of modified loans Total investments Investments Investments Net investment gains (losses) arising during the period OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax Due in one year or less Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Schedule of Investment Gains (Losses), Net Net Investment Gains (Losses), Including Changes In Valuation Allowances And Credit Losses [Table Text Block] Net Investment Gains (Losses), Including Changes In Valuation Allowances And Credit Losses Depositary Shares, each representing a 1/1,000th interest in a share of Fixed Rate Noncumulative Perpetual Preferred Stock, Series A Series A Series A Preferred Stock [Member] AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Net unrealized gains (losses) arising during the period OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Modco Payable Modco Payable [Member] Modco Payable Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Increase in policyholders’ account balance Policyholder Account Balance, Period Increase (Decrease) Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Liabilities: Liabilities, Fair Value Disclosure [Abstract] Cash Flow Hedge Cash Flow Hedging [Member] Schedule of Quantitative Information About Level 3 Fair Value Measurement Fair Value Inputs, Quantitative Information [Table Text Block] Net transfers from (to) separate account Transfer to (from) Policyholder Account Balance (to) from Separate Account 1.0x to 1.2x Ratio Between 1 To 1.2 Times Multiple [Member] Change in liability for future policy benefits - current discount rate Other Comprehensive Income (Loss), Current Discount Rate Adjustment For Future Policy Benefits Other Comprehensive Income (Loss), Current Discount Rate for Future Policy Benefits Number of loans Number Of Loans Number Of Loans Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Maximum future earnings to be recognized from Closed Block assets and liabilities Closed Block Assets and Liabilities, Maximum Future Earnings to be Recognized Liability for future policy benefits - current discount rate component Accumulated Gain (Loss), Financial Liability, Liability For Future Policy Benefit, Including Portion Attributable To Noncontrolling Interest [Member] Accumulated Gain (Loss), Financial Liability, Liability For Future Policy Benefit, Including Portion Attributable to Noncontrolling Interest Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Interest cost Defined Benefit Plan, Interest Cost GMxB Legacy GMxB Legacy [Member] GMxB Legacy Net Investment Income [Line Items] Net Investment Income [Line Items] Financial Instruments [Domain] Financial Instruments [Domain] 51 Basis Point - 150 Basis Point Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0051 to 0150 [Member] Four years before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Other income Other Income Total investment gains (losses), net Investment gains (losses), net Gains (Loss) On Investments And Disposition Of Business Gains (Loss) On Investments And Disposition Of Business Compensation and benefits Labor and Related Expense, Adjusted Labor and Related Expense, Adjusted Underlying Securities Award Underlying Securities Amount Less: Comprehensive income (loss) attributable to the noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Fair Value Estimate of Fair Value Measurement [Member] Proceeds from collateralized loan obligations Proceeds From Collateralized Loan Obligations Proceeds From Collateralized Loan Obligations Redemption of preferred stock Stock Issued During Period, Value, New Issues Other financial Financial Instrument, Other [Member] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Beginning balance at original discount rate Ending Balance at original discount rate Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Cash Flow and Reinsurance Change in unrealized gains (losses), net of adjustments (net of deferred income tax expense (benefit) of $(164) and $173) Other Comprehensive Income (Loss), Available-For-Sale Securities Adjustment, Net Of Tax1 Net of tax amount of the appreciation (loss) in the value of unsold available-for-sale securities. Includes amounts related to other than temporary impairment (OTTI) losses. Pre-payment of share repurchases Accelerated Share Repurchases, Settlement (Payment) or Receipt Variable annuity product Variable Annuity Product Features, Adjustments Variable Annuity Product Features, Adjustments Other, net Payment for (Proceeds from) Other Investing Activity Schedule of Reconciliation of Deferred Acquisition Cost Schedule Of Reconciliation Of Deferred Acquisition Cost [Table Text Block] Schedule Of Reconciliation Of Deferred Acquisition Cost Allowance for credit losses of fixed maturities AFS Closed Block Investments, Debt Securities, Available-For-Sale, Allowance For Credit Loss Closed Block Investments, Debt Securities, Available-For-Sale, Allowance For Credit Loss MARKET RISK BENEFITS Insurance Contract, Acquisition Cost [Text Block] Segment Reporting [Table] Segment Reporting [Table] Discount years Fair Value Inputs, Discount Period Fair Value Inputs, Discount Period Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Modco Payable Modco Payable Reinsurance Modco Receivable Reinsurance modco receivable. Net investment gains (losses) recognized on securities sold during the period Net Realized And Unrealized Gain (Loss) On Equity Securities Net Realized And Unrealized Gain (Loss) On Equity Securities Cash Cash [Member] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Less than 12 months, fair value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Current Fiscal Year End Date Current Fiscal Year End Date Investment gains (losses), net Closed Block Operations, Realized Investment Gains (Losses) (Gains) losses on businesses held-for-sale Gain on sale of business Gain (Loss) on Disposition of Business Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Current-period provision for expected credit losses Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Derivative [Line Items] Derivative [Line Items] Derivative Assets Net Amount Presented in the Balance Sheets Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral Shares repurchased (in shares) Stock Repurchased During Period, Shares Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Cash dividends declared per common share (in dollars per share) Dividends declared per share of common stock (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Repayment of short-term financings Proceeds from (Repayments of) Short-Term Debt Schedule of Contractual Maturities of Available-for-Sale Fixed Maturities Investments Classified by Contractual Maturity Date [Table Text Block] Dividends paid to noncontrolling interest Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Expected future benefit payments and expenses (discounted; AOCI basis) Liability For Future Policy Benefit, Expected Future Policy Benefit, Discounted, Before Reinsurance Liability For Future Policy Benefit, Expected Future Policy Benefit, Discounted, Before Reinsurance Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Dividends declared per share of preferred stock (in dollars per share) Preferred Stock, Dividends Per Share, Declared Measure: Measure [Axis] Treasury Stock, Common, Shares Treasury Stock, Common, Shares Premiums Premiums Earned, Net Net income (loss): Net Income (Loss), Including Portion Attributable to Noncontrolling Interest [Abstract] Reconciliation Of Revenue From Segments To Consolidated [Abstract] Reconciliation Of Revenue From Segments To Consolidated [Abstract] Reconciliation of Revenue from Segments to Consolidated [Abstract] Net investment income (loss) Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Investment Income, Net Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Investment Income, Net Withdrawal Rate Measurement Input, Withdrawal Rate [Member] Equity Components [Axis] Equity Components [Axis] Other operating costs and expenses Other Cost and Expense, Operating Future policyholder benefits total All Future Policyholder Benefits [Member] All Future Policyholder Benefits Net Unrealized Investment Gains (Losses) [Domain] Net Unrealized Investment Gains (Losses) [Domain] Represents the domain for the schedule of unrealized gains (losses) on available for sale fixed maturities and equity securities shown by gross unrealized investment gains (losses), effects of DAC, Policyholder Liabilities and deferred taxes on AOCI. Valuation allowance Deferred Tax Assets, Valuation Allowance Separate Account Asset Category [Domain] Separate Account Asset Category [Domain] Common Stock Common Class A [Member] Entity Interactive Data Current Entity Interactive Data Current Less: Net income (loss) attributable to the noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Due in years two through five Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Purchase/change of redeemable noncontrolling interests Noncontrolling Interest, Change in Redemption Value Entity Small Business Entity Small Business Policyholders’ Liabilities Policyholders Liabilities [Member] Comprehensive income (loss) attributable to Holdings Comprehensive Income (Loss), Net of Tax, Attributable to Parent AOCI Gain (Loss) Related to Net Unrealized Investment Gains (Losses) AOCI Gains (Losses) Related To Net Unrealized Investment Gains (Losses) [Member] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Interest accrual Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense Document Type Document Type Commissions and distribution-related payments Insurance Commissions Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] AB-Sponsored Investment Funds AB-Sponsored Investment Funds [Member] AB-Sponsored Investment Funds [Member] Total gains and (losses), realized and unrealized, included in: Realized And Unrealized Gains (Losses) Included In Net Income [Abstract] Other liabilities Closed Block Liabilities, Other Closed Block Liabilities SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Allowance for credit losses of fixed maturities available-for-sale Allowance for Credit Losses Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest Change in unrealized gains or losses for the period included in other comprehensive income for instruments held at the end of the reporting period Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI Agricultural mortgages: Agricultural Agricultural Mortgage Loans [Member] Agricultural Mortgage Loans Foreign currency translation gains (losses) arising during the period Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Changes in future economic assumptions Market Risk Benefit, Increase (Decrease) From Future Economic Assumption Market Risk Benefit, Increase (Decrease) From Future Economic Assumption Other assets Assets Designated to Closed Block, Other Closed Block Assets Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Debt Securities, Available-For-Sale, Net Unrealized Investments [Roll Forward] Debt Securities, Available-For-Sale, Net Unrealized Investments [Roll Forward] Debt Securities, Available-for-sale, Net Unrealized Investments [Roll Forward] Issuance of long-term debt Proceeds from Issuance of Long-Term Debt Local Phone Number Local Phone Number Commitments under existing mortgage loan agreements SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages Policyholders’ benefits Policyholder Benefits and Claims Incurred, Net, Adjusted Policyholder Benefits and Claims Incurred, Net, Adjusted Increase in Pre tax AOCI Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Income (loss) from continuing operations, before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Commitments and contingent liabilities Commitments and Contingencies Change in net unrealized gains (losses) on investments: OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax [Abstract] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward] Equity, Attributable to Noncontrolling Interest [Roll Forward] Policyholders’ account balance reconciliation Balance, beginning of period Balance, end of period Policyholder Account Balance Executive Category: Executive Category [Axis] Purchases (redemptions) of noncontrolling interests of consolidated company-sponsored investment funds Payments To (Redemptions From) Noncontrolling Interests Payments To (Redemptions From) Noncontrolling Interests Counterparty Name [Axis] Counterparty Name [Axis] Net investment gains (losses) recognized during the period on securities held at the end of the period Net Investment Income (Loss), Equity Securities, Change In Unrealized Holding Gain (Loss) Net Investment Income (Loss), Equity Securities, Change In Unrealized Holding Gain (Loss) Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Balance, beginning of period Balance, end of period Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change Total assets designated to the Closed Block Assets Designated to Closed Block Futures Interest Rate Futures [Member] Annuitization Rate Measurement Input, Annuitization Rate [Member] Measurement Input, Annuitization Rate [Member] Schedule of Variable Interest Entities [Table] Variable Interest Entity [Table] Net amortization Defined Benefit Plan, Amortization, Net Defined Benefit Plan, Amortization, Net Non-Investment Grade External Credit Rating, Noninvestment Grade [Member] Net Legacy Net Legacy [Member] Net Legacy Net unrealized investment gains (losses) excluding credit losses Unrealized Investment Gains (Losses), Excluding Credit Losses [Member] Unrealized Investment Gains (Losses), Excluding Credit Losses PEO Name PEO Name Common Stock Separate Account, Common Stock [Member] Separate Account, Common Stock Cash Flow Hedges Recognized in AOCI Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Insurance Measurement Type [Domain] Insurance Measurement Type [Domain] Insurance Measurement Type [Domain] Other segment items Segment Reporting, Other Segment Item, Amount Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Health Health [Member] Health Segregated cash and securities, net Increase (Decrease) In Cash And Securities Segregated Under Federal And Other Regulations The change during the period, either increase or decrease, in the amount of cash subject to withdrawal restrictions, restricted deposits, and cash and securities segregated in compliance with regulations (such as cash deposited in a special reserve account for the exclusive benefit of customers). Entity Tax Identification Number Entity Tax Identification Number Expected revenue growth and discount rate Business Combination, Contingent Consideration, Liability, Measurement Input Current Financial Asset, Not Past Due [Member] Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Axis] Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Axis] Benefit payments Policyholder Account Balance, Benefit Payment Percentage of issued and outstanding units Tender Offer, Percentage Of Issued And Outstanding Shares Tender Offer, Percentage Of Issued And Outstanding Shares Revenues: Closed Block Operations, Revenue [Abstract] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Basis of Presentation and Principles of Consolidation Basis Of Presentation And Principles Of Consolidation [Policy Text Block] Disclosure of accounting policy for the general note to the financial statements for the reporting entity which may include basis of presentation and consolidations. Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] ORGANIZATION Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Compensation and benefits Labor and Related Expense Direct insurance liabilities ceded Reinsurance, Direct Insurance Liabilities Ceded Reinsurance, Direct Insurance Liabilities Ceded Disposal Group Name [Axis] Disposal Group Name [Axis] Cash surrender value Policyholder Account Balance, Cash Surrender Value Number of troubled debt restructuring extensions Number Of Troubled Debt Restructuring Extensions Number Of Troubled Debt Restructuring Extensions Basic (in dollars per share) Earnings Per Share, Basic Measurement Input Type [Axis] Measurement Input Type [Axis] Schedule of Policyholder Account Balance and Liability for Unpaid Claims and Claims Adjustment Expense Policyholder Account Balance And Liability For Unpaid Claims And Claims Adjustment Expense [Table Text Block] Policyholder Account Balance And Liability For Unpaid Claims And Claims Adjustment Expense SCS Structured Capital Strategies [Member] Structured Capital Strategies Insider Trading Arrangements [Line Items] Short-term debt Short-Term Debt, Fair Value Bonds and Notes Separate Account, Bonds And Notes [Member] Separate Account, Bonds And Notes RGA Reinsurance Company RGA Reinsurance Company [Member] RGA Reinsurance Company [Member] Long-term debt Long-Term Debt, Excluding Current Maturities Other investment gains (losses), net Gain (Loss) On Other Investments, Net Gain (Loss) On Other Investments, Net GMxB Legacy Gross Legacy [Member] Gross Legacy Amortization Deferred Policy Acquisition Costs, Amortization Expense Trading securities Trading Assets, Excluding Debt and Equity Securities [Member] Less: Operating (earnings) loss attributable to the noncontrolling interest Net Income (Loss) Attributable To Noncontrolling Interest, Adjusted Operating Income (Loss), Attributable To Noncontrolling Interest Schedule of Age Analysis of Past Due Mortgage Loans Age Analysis Of Past Due Mortgage Loans [Table Text Block] Tabular disclosure of aging analysis of past due mortgage loans. Net income (loss) Closed Block Operations, Net Results Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] Change in market risk benefits - instrument-specific credit risk Other Comprehensive Income (Loss), Market Risk Benefit, After Adjustment From Instrument Of Special Credit Risk Other Comprehensive Income (Loss), Market Risk Benefit, After Adjustment From Instrument Of Special Credit Risk Contingent payment arrangements AB Contingent consideration payable Business Combination, Contingent Consideration, Liability Fair Value Measurement [Domain] Fair Value Measurement [Domain] Net transfers from (to) General Account Transfer To (From) Separate Account (To) From General Account Transfer To (From) Separate Account (To) From General Account Recoveries of amounts previously written off Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Insurance [Abstract] Insurance [Abstract] Interest credited to policyholders account balances Policyholder Account Balance, Interest Credited Policyholder Account Balance, Interest Credited Operating earnings (loss) Net Income (Loss) Attributable To Parent, Adjusted Net Income (Loss) Attributable To Parent, Adjusted Beginning balance before AOCI adjustments Ending balance before shadow reserve adjustments Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change Consolidated Limited Partnerships Consolidated Limited Partnerships [Member] Consolidated Limited Partnerships Assessments Assessments [Member] Assessments Equity Awards Adjustments Equity Awards Adjustments [Member] Increase (decrease) in statutory surplus Statutory Accounting Practices, Statutory Surplus, Increase (Decrease) To New Standard Application Statutory Accounting Practices, Statutory Surplus, Increase (Decrease) To New Standard Application Net investment income (loss) Other Investment Income (Loss) Other investment income Hedging Relationship [Domain] Hedging Relationship [Domain] Individually Assessed Mortgage Loans Individually Assessed Mortgage Loans [Member] Individually Assessed Mortgage Loans [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Proceeds from notes issued by consolidated VIEs Proceeds From Issuance Of Debt, Consolidated Variable Interest Entity Proceeds From Issuance Of Debt, Consolidated Variable Interest Entity CarVal Investments L.P. CarVal Investments L.P. [Member] CarVal Investments L.P. Underlying Asset Class [Domain] Underlying Asset Class [Domain] Accelerated Share Repurchases, Date [Domain] Accelerated Share Repurchases, Date [Domain] Equitable Financial Equitable Financial [Member] Equitable Financial Initial margin requirement Exchange-Traded Future Contract, Initial Margin Requirement Exchange-Traded Future Contract, Initial Margin Requirement. Total Holdings Equity Parent [Member] Short-term investments Short-Term Investments [Member] Financing Receivable, Modifications Contracts Modified During Period, Principal Balance Financing Receivable, Modifications Contracts Modified During Period, Principal Balance Financing Receivable, Modifications Contracts Modified During Period, Principal Balance Allowance for credit losses of mortgage loans on real estates Assets Designated To Closed Block, Mortgage Loans On Real Estate, Credit Losses Assets Designated To Closed Block, Mortgage Loans On Real Estate, Credit Losses Attributed fees accrued Market Risk Benefit, Attributed Fee Collected Change in securities lending Increase (Decrease) in Securities Lending Payable Weighted-average age of policyholders (years) Additional Liability, Long-Duration Insurance, Weighted-Average Duration Schedule of Redeemable Noncontrolling Interest Redeemable Noncontrolling Interest [Table Text Block] Change in collateralized pledged assets Increase (Decrease) In Collateralized Pledged Assets Increase in collateralized pledged assets Whole Life Closed Block and Open Block products Whole Life Closed Block And Open Block Products [Member] Whole Life Closed Block And Open Block Products Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Adjustments for policyholders’ liabilities, DAC, insurance liability loss recognition and other Adjustments For Policyholders Liabilities, Insurance Liability, Loss Recognition And Other Other comprehensive income (loss) adjustment related to policyholders liabilities, deferred policy acquisition costs, insurance liability loss recognition and other items arising during the period. Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Total Financing Receivable, Excluding Accrued Interest And Nonaccrual Loans, Before Allowance For Credit Loss Financing Receivable, Excluding Accrued Interest And Nonaccrual Loans, Before Allowance For Credit Loss Loss on derivatives not associated with variable annuities Loss on Derivatives not Associated with Variable Annuities Loss on Derivatives not Associated with Variable Annuities Mortgage loans, at fair value using the fair value option Mortgage loans, at FVO Mortgage loans, at fair value using the fair value option [Member] Mortgage loans, at fair value using the fair value option. Commercial mortgage-backed CMBS Commercial Mortgage-Backed Securities [Member] Trust Notes Trust Notes [Member] Trust Notes Net earnings (loss) attributable to redeemable noncontrolling interests Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Hedging Designation [Domain] Hedging Designation [Domain] Preferred Stock and Additional Paid-In Capital Preferred Stock Including Additional Paid in Capital [Member] Class of Stock [Domain] Class of Stock [Domain] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Price per unit (in dollars per share) Tender Offer, Share Price Tender Offer, Share Price Purchase of AB Holding units Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Change in market risk benefits and purchased market risk benefits Change in market risk benefits Market Risk Benefit, Change in Fair Value, Gain (Loss) Total revenues Closed Block Operations, Revenue Schedule of Stock by Class Schedule of Stock by Class [Table Text Block] Segment revenues Revenues, Adjusted Revenues, Adjusted Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equitable America Equitable America [Member] Equitable America INCOME TAXES Income Tax Disclosure [Text Block] Net unrealized investment gains (losses) with credit losses Unrealized Investment Gains (Losses), Including Credit Losses [Member] Unrealized Investment Gains (Losses), Including Credit Losses Insurance Measurement Type [Axis] Insurance Measurement Type [Axis] Insurance Measurement Type Other, net Other Noncash Income (Expense) Goodwill and other intangible assets, net Goodwill And Other Intangible Assets, Net Goodwill plus Other Intangible Assets. Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Entity Filer Category Entity Filer Category Other operating costs and expenses Closed Block Operations, Other Expense Total fair value Debt Securities, Available-for-Sale, Unrealized Loss Position Secured lending Secured Lending [Member] Secured Lending Trading Securities, at Fair Value Trading Securities [Member] Trading Securities Currency swaps Currency Swap [Member] Euro Stoxx, FTSE100, Topix, ASX200 and EAFE Indices Euro Stoxx, FTSE100, Topix, ASX200 and EAFE Indices [Member] Financial Asset, Aging [Axis] Financial Asset, Aging [Axis] Not Designated for Hedge Accounting Not Designated as Hedging Instrument [Member] Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Repayment of notes issued by consolidated VIEs Repayments Of Issuance Of Debt, Consolidated Variable Interest Entity Repayments Of Issuance Of Debt, Consolidated Variable Interest Entity INSURANCE STATUTORY FINANCIAL INFORMATION Financial Guarantee Insurance Contracts [Text Block] Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Net income (loss) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Deferred income tax expense (benefit) for market risk benefits - change in instrument-specific credit risk OCI, Market Risk Benefit, Instrument-Specific Credit Risk, Gain (Loss), after Adjustments, Tax Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Total benefits and other deductions Benefits, Losses and Expenses Income tax (expense) benefit Income Tax Expense (Benefit) CLO Warehouse Debt Collateralized Loan Obligations [Member] Total commercial and agricultural mortgage loans: Total Commercial And Agricultural Mortgage Loans [Member] Changes in: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] Funding agreements (2) Funds Backed By Reinsurance Agreements, Asset Funds Backed By Reinsurance Agreements, Asset Actual market movement effect Market Risk Benefit, Increase (Decrease) from Equity Market Change Balance, beginning of period Balance, end of period Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change Liabilities: Offsetting Derivative Liabilities [Abstract] Write-offs charged against the allowance Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Variable Interest Entity, Primary Beneficiary Liabilities of consolidated VIEs and VOEs Variable Interest Entity, Primary Beneficiary [Member] Net investment gains (losses) recognized on securities sold during the period Net Investment Income (Loss), Fixed Maturities, Realized Gain (Loss) Net Investment Income (Loss), Fixed Maturities, Realized Gain (Loss) Statement [Table] Statement [Table] Adjustments Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Organization Basis Of Presentation [Table] Organization Basis Of Presentation [Table] Schedule of transations related to organization baiss and presentation. Amortized cost Financing Receivable, Modifications Contracts Modified During Period, Amortized Cost Financing Receivable, Modifications Contracts Modified During Period, Amortized Cost Fiscal year before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Unrealized Investment Gains (Losses) With OTTI And All Other [Axis] Unrealized Investment Gains (Losses) With OTTI And All Other [Axis] Represents the axis for the schedule of unrealized gains (losses) on available for sale fixed maturities and equity securities split between those with OTTI and all other unrealized gains (losses) Gross Amount Recognized Derivative Asset, Subject to Master Netting Arrangement, before Offset Expected future gross premiums (discounted; AOCI basis) Liability for Future Policy Benefit, Expected Future Gross Premium, Discounted, before Reinsurance Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Policyholder Account Balance [Roll Forward] Policyholder Account Balance [Roll Forward] Closed Block Liabilities: Closed Block Liabilities [Abstract] Purchased MRB asset Embedded Derivative, GMIB Reinsurance [Member] GMIB reinsurance contracts Future policy benefits, policyholders’ account balances and other Closed Block Liabilities, Future Policy Benefits and Policyholder Account Balances Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]