Debt-to-Value [Axis] Debt-to-Value [Axis] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Related Parties Related Party Transactions Disclosure [Text Block] Maturities and repayments of debt of consolidated investment entities Repayments of Long-Term Debt Remaining share repurchase authorization Share Repurchase Program, Remaining Authorized, Amount Policyholder contract deposits account balance, beginning of year Policyholder contract deposits account balance, end of period Policyholder Contract Deposit, Gross Policyholder Contract Deposit, Gross Cover [Abstract] Investment grade reinsurance recoverables (as a percent) Reinsurance Recoverables, Investment Grade, Percentage Reinsurance Recoverables, Investment Grade, Percentage Net increase (decrease) in cash and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Schedule of Other Ownership Interests [Table] Partners' Capital, Other Ownership Interest [Table] Bonds available for sale, allowance for credit losses Allowance for Credit Losses Balance, beginning of period Balance, end of period Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest Proceeds from (payments for) Payments for (Proceeds from) Investing Activities [Abstract] Payments for (Proceeds from) Investing Activities [Abstract] Income Tax Authority [Domain] Income Tax Jurisdiction [Domain] Gain (losses) recognized in earnings on hedged items Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge Mortality multiplier Measurement Input Mortality Multiplier [Member] Measurement Input Mortality Multiplier [Member] Trading Symbol Trading Symbol Benefit payments Separate Account, Liability, Benefit Payment Fair value hedging Fair Value Hedging [Member] Less: Net gains (losses) recognized during the period on equity securities and other investments sold during the period Equity Securities, FV-NI, Realized Gain (Loss) Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Pledged Status [Domain] Pledged Status [Domain] Net Realized and Unrealized Gains and Losses Included in Income Related to Level 3 Assets and Liabilities Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Table Text Block] Retirement Plan Liabilities Adjustment Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member] Derivative assets Derivative assets net, fair value Fair Value Derivative Asset, Subject to Master Netting Arrangement, before Offset Dividend declared (in USD per share) Common Stock, Dividends, Per Share, Declared Real estate Real Estate And Infrastructure Private Equity Funds [Member] Represents the other private equity funds category of investment, which includes investments with portfolio exposure primarily in real estate properties and infrastructure positions, including power plants and other energy generating facilities. Fee income debited to policyholder contract deposits included in financing activities Fee Income Debited To Policyholder Contract Deposits Included In Financing Activities Fee Income Debited To Policyholder Contract Deposits Included In Financing Activities Mortgage and other loans receivable Payments to Acquire Mortgage Notes Receivable Distributions to noncontrolling interests Distributions to noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders 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 Disposal Group Name [Domain] Disposal Group Name [Domain] Others Other Financing Receivable [Member] Class of financing receivables related to other commercial financing receivables not otherwise specified. Less: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest [Abstract] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Net gains (losses) recognized during the period on equity securities and other investments Equity Securities, FV-NI, Gain (Loss) Currency Swap Currency Swap [Member] Overview and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Hedging Relationship [Domain] Hedging Relationship [Domain] Investment Concentration Risk Investment Concentration Risk [Member] Investment Concentration Risk Fair Value Measurements Fair Value Disclosures [Text Block] Other securities Proceeds from Sale, Debt Security, Trading, and Equity Security, FV-NI, Held-for-Investment Total other comprehensive income (loss), before income tax expense (benefit) Other Comprehensive Income (Loss), before Tax Hotel Hotel [Member] Balance, beginning of year Balance, end of period Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change Financial Asset, Aging [Axis] Financial Asset, Aging [Axis] Gains/(losses) recognized in earnings on hedging derivatives Total Derivative, Gain (Loss) on Derivative, Net Investment, Name [Domain] Investment, Name [Domain] Allowance for Credit Losses Financing Receivable, Allowance for Credit Loss [Table Text Block] Stock Purchase Agreement Stock Purchase Agreement [Member] Stock Purchase Agreement Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Axis] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Axis] Net amount at risk Net Amount at Risk by Product and Guarantee, Net Amount at Risk Fortitude Re Funds Withheld Assets Fortitude [Member] Fortitude [Member] Change in unrealized appreciation of fixed maturity securities on which allowance for credit losses was taken OCI, Debt Securities, Available-For-Sale, With Allowance For Credit Loss, Unrealized Holding Gain (Loss), Before Adjustment, after Tax Change in unrealized appreciation (depreciation) of fixed maturity securities on which allowance for credit losses were taken. Aggregate fair value of available for sale securities sold Debt Securities, Available-for-Sale, Sold at Par Value Segment Information Segment Reporting, Policy [Policy Text Block] Advisory fee income Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions Total adjustments Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities Policyholder contract deposits Policyholder Contract Deposits [Member] Represents the policyholder contract deposits. Dilutive common shares (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Pledged Status [Axis] Pledged Status [Axis] Prior Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Variable Interest Entities Variable Interest Entity Disclosure [Text Block] Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Operating Segments Operating Segments [Member] Receivable Type [Axis] Receivable Type [Axis] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4% Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0300 To 0400 [Member] Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0300 To 0400 Less than 1.00X Debt Service Coverage Ratio Range Three [Member] Debt service ratio which is less than 1x Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Effect of changes in discount rate assumptions (AOCI) Effect of changes in discount rate assumptions (AOCI) AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax INVESTMENTS IN CERTAIN ENTITIES CARRIED AT FAIR VALUE USING NET ASSET VALUE PER SHARE Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] Rollforward of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Other Debt Securities, Available-For-Sale, Excluding Accrued Interest, Allowance For Credit Loss, Other Debt Securities, Available-For-Sale, Excluding Accrued Interest, Allowance For Credit Loss, Other Other Stockholders' Equity, Other Total liabilities Liability [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Obligations of states, municipalities and political subdivisions US States and Political Subdivisions Debt Securities [Member] Revision of Prior Period, Adjustment Revision of Prior Period, Adjustment [Member] Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI Use of Estimates Use of Estimates, Policy [Policy Text Block] Change in allowance for credit losses on fixed maturity securities Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Period Increase (Decrease) Additional paid-in capital Additional Paid in Capital, Common Stock Disposal Group Classification [Axis] Disposal Group Classification [Axis] Entity Small Business Entity Small Business Current and deferred income taxes - net Increase (Decrease) In Current and Deferred Income Taxes The net cash inflow (outflow) during the reporting period related to the current and deferred income taxes. Interest on mortgage and other loans Financing Receivable [Member] Level 3 Fair Value, Inputs, Level 3 [Member] Percent of Total Financing Receivable, before Allowance for Credit Loss, to Total, Percent Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Institutional Markets Institutional Markets [Member] Institutional Markets Separate Account, Liability [Line Items] Separate Account, Liability [Line Items] Number of shares excluded from diluted shares outstanding because the effect would have been anti-dilutive (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Other Other Private Equity Funds [Member] Represents the other private equity funds category of investment which includes multi strategy and mezzanine strategies. Term Life Insurance Term Life Insurance [Member] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts and Financing Receivables [Table] Less: Reinsured MRB, end of period Market Risk Benefit, Reinsurance Recoverable, after Allowance 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] Reinsurance Recoverable Allowance Reinsurance Recoverable, Allowance for Credit Loss [Table Text Block] Proceeds from (payments for): Payments for (Proceeds from) Financing Activities [Abstract] Payments for (Proceeds from) Financing Activities [Abstract] Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss) Reclassification Adjustments Other Comprehensive Income (Loss), Net of Tax [Abstract] Stock repurchase program, authorized amount Share Repurchase Program, Authorized, Amount Residential mortgages Residential Portfolio Segment [Member] Group Retirement Group Retirement Segment [Member] Group Retirement Segment Changes in noncontrolling interests due to divestitures and acquisitions Noncontrolling Interest, Increase from Business Combination Value of business acquired held for sale Disposal Group, Including Discontinued Operation, Value Of Business Acquired Disposal Group, Including Discontinued Operation, Value Of Business Acquired Summary of Assets Supporting Funds Withheld Arrangements Summary Of Assets Supporting Funds Withheld Arrangements [Table Text Block] Summary Of Assets Supporting Funds Withheld Arrangements Fair Value Measurements on a Non-Recurring Basis Fair Value Measurements, Nonrecurring [Table Text Block] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Debt Securities, Available-for-Sale [Table] Debt Securities, Available-for-Sale [Table] Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Table] Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Table] Alternative investments Alternative Investments [Member] Represents the investment in hedge funds, private equity funds, affordable housing partnerships and other investment partnerships by the entity. Other, net Proceeds from (Payments for) Other Financing Activities Comprehensive income (loss) attributable to Corebridge Comprehensive Income (Loss), Net of Tax, Attributable to Parent Intent to sell Realized Gains (Losses), Change In Intent Realized Gains (Losses), Change In Intent Other Liability for Future Policy Benefit, Expected Future Policy Benefit, Other Liability for Future Policy Benefit, Expected Future Policy Benefit, Other Total Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss Fixed Maturity Securities Available for Sale by Contractual Maturity Investments Classified by Contractual Maturity Date [Table Text Block] Issuances Liability for Future Policy Benefit, Expected Net Premium, Issuance Corporate debt Corporate Debt Securities [Member] Cumulative Amount of Fair Value Hedging Adjustments Included In the Carrying Amount of the Hedged Assets Liabilities Cumulative Effect, Period of Adoption, Adjustment [Member] Liabilities for Guarantees on Long-Duration Contracts [Line Items] Liabilities for Guarantees on Long-Duration Contracts [Line Items] Other Comprehensive (Income) Loss Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) Reconciliation of Market Risk Benefits Market Risk Benefit, Activity [Table Text Block] Total liabilities Liabilities Non-redeemable noncontrolling interests Beginning balance Ending balance Equity, Attributable to Noncontrolling Interest Common stock dividend (USD per share) Common Stock, Dividends, Per Share, Cash Paid Fair Value, Option, Quantitative Disclosures Fair Value, Option, Quantitative Disclosures [Line Items] Effect of changes in equity index volatility Market Risk Benefit, Increase (Decrease) from Volatility Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Ceded Credit Risk, Reinsurer [Axis] Reinsurer, Name [Axis] AIG Life Limited AIG Life Limited [Member] AIG Life Limited Guaranteed Investment Contract Guaranteed Investment Contract [Member] Laya Healthcare Limited Laya Healthcare Limited [Member] Laya Healthcare Limited Non-Redeemable Noncontrolling Interest Non-Redeemable Noncontrolling Interest [Table Text Block] Non-Redeemable Noncontrolling Interest Other Other Increase (Decrease) In Noncontrolling Interests Other Increase (Decrease) In Noncontrolling Interests Present value of expected net premiums Liability for Future Policy Benefit, Expected Net Premium [Roll Forward] Short-term investments, including restricted cash of $3 in 2024 and $3 in 2023 (portion measured at fair value: 2024 - $610; 2023 - $1,408) Short-term Investments Short-term investments Other Short-Term Investments Financial Asset, Aging [Domain] Financial Asset, Aging [Domain] Gross Transfers Out Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Other assets Other Assets, Fair Value Disclosure Gross Realized Gains Debt Securities, Available-for-Sale, Realized Gain Insurance liabilities Increase (Decrease) in Liability for Claims and Claims Adjustment Expense Reserve Change in cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Other assets, including restricted cash of $13 in 2024 and $13 in 2023 (portion measured at fair value: 2024 - $491; 2023 - $393) Other assets Other Assets Issuances Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance CLO Collateralized Loan Obligations [Member] Individual Retirement Individual Retirement Segment [Member] Individual Retirement Segment Liability for Future Policy Benefit, Activity [Line Items] Liability for Future Policy Benefit, Activity [Line Items] Purchases of: Payments for Investing Activities [Abstract] Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Axis] Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Axis] Diluted (in shares) Weighted average common shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Net premium collected Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected Default Rate Measurement Input, Default Rate [Member] Reinsurance Transactions Reinsurance Transactions [Member] Reinsurance Transactions Total Corebridge Shareholders' equity Equity, Attributable to Parent Investment real estate Real Estate Investment Property, Net Policyholder contract withdrawals Withdrawal from Contract Holders Funds Yield Measurement Input, Yield [Member] Measurement Input Yield [Member] Balances and Changes in Separate Account Liabilities Separate Account, Liability [Table Text Block] 2024 Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Securities or Other Assets Sold under Agreements to Repurchase, Maturity Periods [Axis] Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Mortgage-backed, asset-backed and collateralized Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost General operating expenses Selling, General and Administrative Expense Other invested assets Proceeds from Sale and Maturity of Other Investments Other invested assets Invested Assets, Other, Fair Value This element represents the portion of the balance sheet assertion valued at fair value by the entity. The fair value of investments not otherwise specified in the taxonomy. Policyholder Account Balance [Table] Policyholder Account Balance [Table] Effect of changes in discount rate assumptions (AOCI) Effect of changes in discount rate assumptions (AOCI) AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax Sale of Stock [Domain] Sale of Stock [Domain] Document Fiscal Period Focus Document Fiscal Period Focus Common Stock Rollforward [Roll Forward] Common Stock Rollforward [Roll Forward] Common Stock Rollforward Equity securities Equities Equity Securities [Member] Unrealized Appreciation (Depreciation) of All Other Investments AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Assets: Assets [Abstract] AIG AIG [Member] AIG Net charge-offs Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff (Recovery) Other comprehensive income (loss) Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Noncontrolling interests AOCI Attributable to Noncontrolling Interest [Member] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Document Type Document Type Derivative Contract [Domain] Derivative Contract [Domain] Surrenders and withdrawals Policyholder Account Balance, Surrender and Withdrawal Adjusted beginning of year balance Adjusted beginning of year balance Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change Nonrelated Party Nonrelated Party [Member] Depreciation and other amortization Depreciation, Amortization and Accretion, Net Maximum Maximum [Member] Balance, beginning of period Balance, end of period Reinsurance Recoverable, Allowance for Credit Loss Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2% Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0100 To 0200 [Member] Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0100 To 0200 Due to related party Accounts Payable, Current Deferred Policy Acquisition Costs Deferred Policy Acquisition Costs [Text Block] Investment Type [Axis] Investment Type [Axis] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Reinsurance Reinsurance [Text Block] Accrued investment income Accrued Investment Income Receivable Corebridge Entities Corebridge Entities [Member] Corebridge Entities Sales or distributions of: Proceeds from Investing Activities [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] Interest credited to policyholder account balances Policyholder Account Balance, Interest Expense Distributions to noncontrolling interests Payments to Noncontrolling Interests Income before income tax expense (benefit) Income (loss) before income tax expense (benefit) Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Interest accrual Market Risk Benefit, Interest Expense Separate account liabilities - investment contracts Liabilities Related to Investment Contracts, Fair Value Disclosure Policy fees Insurance Commissions and Fees Prepayment Speed Measurement Input, Constant Prepayment Rate [Member] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Dividends paid on common stock Payments of Ordinary Dividends, Common Stock Investment, Name [Axis] Investment, Name [Axis] Policyholder contract deposits (portion measured at fair value: 2024 - $9,151; 2023 - $8,050) Policyholder contract deposits Policyholder contract deposits Policyholder Contract Deposit Forecast Forecast [Member] Diluted (in dollars per share) Earnings Per Share, Diluted Counterparty Name [Domain] Counterparty Name [Domain] Future Policy Benefits Liability for Future Policy Benefits and Unpaid Claims Disclosure [Text Block] Cash Flow Hedges Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member] Securities sold during the period Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Sold Hedge funds Hedge Funds [Member] Venture capital Venture Capital Funds [Member] Ownership [Axis] Ownership [Axis] Bonds available-for-sale Debt Securities, Available for Sale [Member] Debt Securities, Available for Sale Other Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis Assets Other Increase (Decrease) Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis Assets Other Increase (Decrease) Foreign exchange transactions, net of related hedges Gain (Loss), Foreign Currency Transaction, before Tax Change in discount rates assumptions of certain liabilities Other Comprehensive Income Deferred Acquisition Cost And Other Adjustments Before Tax Period Increase (Decrease) Represents the amount recorded in other comprehensive income due to the adjustment in deferred acquisition costs and other adjustments. Statement of Financial Position [Abstract] ABS Asset-Backed Securities [Member] Fair Value, Separate Account Investment [Line Items] Fair Value, Separate Account Investment [Line Items] Net Realized and Unrealized Gains (Losses) Included in Income Net realized gains (losses), assets Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Schedule of Financial Instruments Owned and Pledged as Collateral Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block] Liability for universal life policies with secondary guarantees and similar features Liability for Future Policy Benefit, Adjustments, Secondary Guarantees Liability for Future Policy Benefit, Adjustments, Secondary Guarantees Separate Account, Liability [Table] Separate Account, Liability [Table] Net income Net income (loss) Total reclassifications for the period Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net (gain) on divestitures Net (gain) loss on divestitures Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Income tax expense (benefit) Income Tax Expense (Benefit) Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Due after ten years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value At Guaranteed Minimum Policyholder Account Balance, at Guaranteed Minimum Crediting Rate [Member] Dynamic lapse multiplier Measurement Input, Dynamic Lapse Multiplier [Member] Measurement Input Dynamic Lapse Multiplier [Member] Total derivative assets Derivative assets net, carrying value Derivative assets, net Derivative Asset Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward] Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward] Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Separate account liabilities Separate accounts balance, beginning of year Separate accounts balance, end of period Separate Account, Liability Universal Life Universal Life [Member] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Increase (decrease) in unrealized appreciation (depreciation) of investments: Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax [Abstract] 90 days or less delinquent Financial Asset, 90 Days Or Less Past Due [Member] Financial Asset, 90 Days Or Less Past Due Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Interest expense Interest Expense, Operating and Nonoperating Income Tax Authority [Axis] Income Tax Jurisdiction [Axis] Separate account assets, at fair value Separate account assets Separate Account Asset Growth equity Growth Equity [Member] Investments in equity securities of mature companies that are aiming for growth. Movement in Deferred Sales Inducements [Roll Forward] Movement in Deferred Sales Inducements [Roll Forward] Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Amount Reclassified from AOCI Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Commitments and Contingencies Disclosure [Abstract] Carrying amount of hedged liabilities Hedged Liability, Fair Value Hedge Legal Entity [Axis] Legal Entity [Axis] Disposal Group, Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Liability for Future Policy Benefits Policyholder Contract Deposits Liability for Future Policy Benefit, Activity [Table Text Block] Credit contracts Credit Risk Contract [Member] Scenario [Domain] Scenario [Domain] Common stock, $0.01 par value; 2,500,000,000 shares authorized; shares issued: 2024 - 650,189,849 and 2023 - 648,148,737 Common Stock, Value, Outstanding Related Party Transaction [Axis] Related Party Transaction [Axis] Additions: Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Additions [Abstract] Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Additions Mezzanine Mezzanine Tranches [Member] The mezzanine portion of the credit default swap portfolio written for financial institutions in Europe for the purpose of providing regulatory capital relief. Deferred Sale Inducements Deferred Sale Inducements [Member] Deferred Sale Inducements Cash Flow Hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Undiscounted expected future gross premiums Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance Entity Address, State or Province Entity Address, State or Province Policy fees Insurance Commissions And Fees [Member] Represents the line item in the income statement for policy fees. Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Balance, beginning of year Balance, end of period Other Policyholder Funds, Gross Other Policyholder Funds, Gross 2021 Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Consolidated Entities, Excluding Consolidated Investments Consolidated Entities, Excluding Consolidated Investments [Member] Consolidated Entities, Excluding Consolidated Investments Estimated Fair Value Portion at Other than Fair Value Measurement [Member] Capitalization Deferred Policy Acquisition Cost, Capitalization Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Financial Instruments [Domain] Financial Instruments [Domain] Composition of Mortgages and other loans receivable Accounts, Notes, Loans and Financing Receivable [Line Items] Dividends [Table] Dividends [Table] Dividends [Table] Total VIE Assets Variable Interest Entity, Nonconsolidated Entities, Assets Variable Interest Entity, Nonconsolidated Entities, Assets Market risk benefit liabilities, at fair value Market Risk Benefit, Liability, Amount Private equity funds/hedge funds Alternative Investment Alternative Investment Pledging Purpose [Axis] Pledging Purpose [Axis] Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] Effect of actual variances from expected experience Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience Other liabilities, portion measured at fair value Other Liabilities, Fair Value Disclosure Other Other Investment Charges Represents other investment charges not specified in the taxonomy. Other Fair Value, Net Derivative Asset (Liability) Measured On Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease), Other Fair Value, Net Derivative Asset (Liability) Measured On Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease), Other Policy charges Policyholder Account Balance, Policy Charge Fair Value Estimate of Fair Value Measurement [Member] Total net investment income Net investment income Net investment income - Fortitude Re funds withheld assets Net Investment Income Interest rate contracts Interest Rate Contract [Member] Schedule of Amortized Cost and Fair Value of Available for Sale Securities Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] Derivative instruments gain (loss): Derivative Instruments, Gain (Loss) [Line Items] Change in unrealized appreciation (depreciation) of the invested assets supporting the Fortitude Re modco arrangement classified as available-for-sale Other Comprehensive Income (Loss), Unrealized Appreciation (Depreciation) Of Invested Assets Other Comprehensive Income (Loss), Unrealized Appreciation (Depreciation) Of Invested Assets Foreign exchange impact Liability for Future Policy Benefit, Expected Net Premium, Foreign Exchange Impact Liability for Future Policy Benefit, Expected Net Premium, Foreign Exchange Impact Maximum duration of hedging relationship Maximum Length of Time Hedged in Cash Flow Hedge Federal Home Loan Bank Advances Federal Home Loan Bank Advances [Member] Temporary Equity, by Class of Stock [Table] Temporary Equity, by Class of Stock [Table] Balanced funds Separate Account, Balanced Funds [Member] Separate Account, Balanced Funds U.S.. Life Insurance Companies U.S.. Life Insurance Companies [Member] U.S.. Life Insurance Companies Earnings Per Common Share Earnings Per Share [Text Block] Common stock issued under stock plans Stock Issued During Period, Value, Employee Stock Purchase Plan Subsequent Event Subsequent Event [Member] Greater than 1.2X Debt Service Coverage Ratio Range One [Member] Debt service coverage ratio which is greater than 1.2x Restricted cash included in short-term investments Restricted Cash and Cash Equivalents, Current Net realized gains (losses) Net realized losses on Fortitude Re funds withheld assets Gain (Loss) on Investments Other reconciling items Policyholder Account Balance, Adjustments, Other Reconciling Items Policyholder Account Balance, Adjustments, Other Reconciling Items Assessments Liability for Future Policy Benefit, Expected Net Premium, Assessments Liability for Future Policy Benefit, Expected Net Premium, Assessments Other income Other Income Segments [Domain] Segments [Domain] Less: Income tax expense (benefit) Other Comprehensive Income (Loss), Tax Other Policyholder Funds Rollforward [Roll Forward] Other Policyholder Funds Rollforward [Roll Forward] Other Policyholder Funds Rollforward Interest credited to policyholder contract deposits included in financing activities Interest Credited To Policyholder Accounts Included In Financing Activities Interest credited to policyholder accounts included in financing activities. Securitization And Repackaging And Vehicles Securitization And Repackaging And Vehicles [Member] Securitization And Repackaging And Vehicles Total gain (loss) Fair Value, Option, Changes in Fair Value, Gain (Loss) Deferred Tax Asset [Domain] Deferred Tax Asset [Domain] 780 and greater FICO Score, 780 And Greater [Member] 780 and greater. Fortitude Re funds withheld embedded derivative Modified Coinsurance And Funds Withheld Embedded Derivatives [Member] Modified Coinsurance And Funds Withheld Embedded Derivatives [Member] Fortitude Re funds withheld payable Funds Held Under Reinsurance Agreements, Liability [Member] Funds Held Under Reinsurance Agreements, Liability Premiums and other receivables, net of allowance for credit losses and disputes of $1 in 2024 and $1 in 2023 Premiums and Other Receivables, Net Deferred Sale Inducement Cost [Line Items] Deferred Sale Inducement Cost [Line Items] Securities pledged under repurchase agreements Securities Sold under Agreements to Repurchase, Fair Value of Collateral Disposal Group Name [Axis] Disposal Group Name [Axis] Additional net increases or decreases to the allowance for credit losses on securities that had an allowance recorded in a previous period, for which there was no intent to sell before recovery, amortized cost basis Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Not to Sell before Recovery, Credit Loss, Previously Recorded, Expense (Reversal) Treasury stock, at cost; 2024 - 49,862,448 shares and 2023 - 26,484,411 shares Treasury Stock, Common, Value Contingencies, Commitments and Guarantees Commitments Contingencies and Guarantees [Text Block] Net Impact Gain (Loss) on Fair Value Hedges Recognized in Earnings Market Risk Benefit [Roll Forward] Market Risk Benefit [Roll Forward] Financing receivable, modified loans to percent of two portfolio segments (as a percent) (less than) Financing Receivable, Excluding Accrued Interest, Modified In Period, To Total Portfolio Segments, Percentage Financing Receivable, Excluding Accrued Interest, Modified In Period, To Total Portfolio Segments, Percentage Cash surrender value Separate Account, Liability, Cash Surrender Value, Amount Equity Volatility Measurement Input, Price Volatility [Member] Due after one year through five years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value Dispositions Deferred Policy Acquisition Costs, Disposition Local Phone Number Local Phone Number Fortitude RE Funds Withheld Assets Fortitude RE Funds Withheld Assets [Member] Fortitude RE Funds Withheld Assets Gross Transfers Out Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 Market risk benefit assets, at fair value Market Risk Benefit, Asset, Amount Valuation allowance Deferred Tax Assets, Valuation Allowance Debt of consolidated investment entities Debt, Long-Term and Short-Term, Combined Amount Index universal life Index Universal Life [Member] Index Universal Life Addition to (release of) allowance for loan losses Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Weighted-average interest rate, current discount rate Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 2020 Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Sales of alternative investments and real estate investments Gain Loss On Sale Of Alternative And Real Estate Investments Gain Loss On Sale Of Alternative And Real Estate Investments Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Foreign exchange impact Liability for Future Policy Benefit, Expected Future Policy Benefit, Foreign Exchange Impact Liability for Future Policy Benefit, Expected Future Policy Benefit, Foreign Exchange Impact Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward] Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Non-cash capital contributions Noncash Contribution Expense Fixed index annuities guaranteed benefits Index Annuities, Including Certain Guaranteed Minimum Withdrawal Benefits [Member] Index Annuities, Including Certain Guaranteed Minimum Withdrawal Benefits Derivative liabilities Fair Value Derivative Liability, Subject to Master Netting Arrangement, before Offset Life insurance policy loans Policy loans Life Insurance Policy Portfolio Segment [Member] Life Insurance Policy Portfolio Segment Non-deferrable insurance commissions Insurance Commissions Bonds available-for-sale, at fair value, net of allowance for credit losses of $95 in 2024 and $128 in 2023 (amortized cost: 2024 - $188,116; 2023 - $184,946) Bonds available-for-sale Total Debt Securities, Available-for-Sale, Excluding Accrued Interest Income Statement Location [Axis] Statement of Income Location, Balance [Axis] Common Stock Total common stock Common Stock [Member] RMBS, CMBS, Oher ABS, And CLOs RMBS, CMBS, Oher ABS, And CLOs [Member] RMBS, CMBS, Oher ABS, And CLOs Amortized Cost, Net of Allowance Debt Securities, Available-for-Sale, Amortized Cost, Rolling Maturity [Abstract] Insurance Companies Insurance Companies [Member] Insurance Companies Segment Reporting [Abstract] Policyholder benefits Policyholder Benefits And Claims Incurred, Net [Member] Represents the line item in the income statement for policyholder benefits and claims incurred. AIG Affiliates AIG Affiliates [Member] AIG Affiliates Entity Central Index Key Entity Central Index Key Scenario [Axis] Scenario [Axis] Balance, beginning of year Balance, end of period Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change Credit Score, FICO [Axis] Credit Score, FICO [Axis] Debt of Consolidated Entities Consolidated Investments, Including Variable Interest Entities, Primary Beneficiary [Member] Consolidated Investments, Including Variable Interest Entities, Primary Beneficiary Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Off-balance-sheet commitments Off-Balance-Sheet, Credit Loss, Liability Ceded Credit Risk, Reinsurer [Domain] Reinsurer, Name [Domain] Actual outcome different from model expected outcome Market Risk Benefit, Increase (Decrease) from Actual Policyholder Behavior Different from Expected Fortitude Re funds withheld payable (portion measured at fair value: 2024 - $1,913; 2023 - $2,182) Fortitude Re funds withheld payable Funds Held under Reinsurance Agreements, Liability Equity Equity [Text Block] Financial Instrument [Axis] Financial Instrument [Axis] Segment Information Segment Reporting Disclosure [Text Block] Fixed maturity securities, designated fair value option, received in connection with reinsurance transactions Noncash Or Part Noncash, Fair Value Option, Received In Connection With Reinsurance Transaction Noncash Or Part Noncash, Fair Value Option, Received In Connection With Reinsurance Transaction Other securities Payment for Acquisition, Trading Security, Held-for-Investment Effect of changes in equity markets Market Risk Benefit, Increase (Decrease) from Equity Market Change Change in fair value of market risk benefits attributable to changes in our own credit risk Change In Fair Value Of Market Risk Benefits Attributable To Changes In The Instrument- Specific Risk, Parent [Member] Change In Fair Value Of Market Risk Benefits Attributable To Changes In The Instrument- Specific Risk, Parent Net Realized and Unrealized (Gains) Losses Included in Income Net realized gains (losses), liabilities Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Number of Loans Financing Receivable, Number Of Loans Indicates the number of financing receivables under each classification. Gross Unrealized Losses Debt Securities, Gross Unrealized Losses [Abstract] Debt Securities, Gross Unrealized Losses Measurement Basis [Axis] Measurement Basis [Axis] Mortgage and other loans receivable Loans Receivable, Fair Value Disclosure Other Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis Liabilities, Other Increase (Decrease) Fair Value Measurement With Unobservable Inputs Reconciliation, Recurring Basis Liabilities, Other Increase (Decrease) Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5% Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0400 To 0500 [Member] Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0400 To 0500 Common Class B Common Class B [Member] Consolidated Entities [Axis] Consolidated Entities [Axis] Available for sale debt securities Debt Securities, Available-for-Sale, Restricted Premiums and other receivables and payables - net Increase (Decrease) In Premiums And Insurance Balances Receivable And Payable, Net Represents (a) changes in the carrying amount, net of allowance for doubtful accounts, of all premiums and other types of receivables due from other persons or entities and (b) changes in the carrying amount of the following combination (1) the known and estimated amounts owed to insurers under reinsurance treaties or other arrangements and (2) any reserves for outstanding life insurance and accident and health claims, net of applicable reinsurance. Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Assets [Abstract] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Assets [Abstract] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Assets Excluding Fortitude Excluding Fortitude [Member] Excluding Fortitude [Member] Geographic Concentration Risk Geographic Concentration Risk [Member] Comprehensive income (loss) attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest City Area Code City Area Code Change in fair value of market risk benefits attributable to changes in our own credit risk AOCI, Market Risk Benefit, Instrument-Specific Credit Risk, Portion Attributable To Noncontrolling Interest [Member] AOCI, Market Risk Benefit, Instrument-Specific Credit Risk, Portion Attributable To Noncontrolling Interest Investments Investments [Member] Industrial Industrial Property [Member] Other bond securities Bonds [Member] Deferred Policy Acquisition Cost [Line Items] Deferred Policy Acquisition Cost [Line Items] Offices Office Building [Member] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Fair Value Option Fair Value Option, Disclosures [Table Text Block] Deferred policy acquisition costs and value of business acquired Other assets, including restricted cash Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net Equity contracts Equity Contract [Member] Loans charged off Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Repurchase of common stock Payments for Repurchase of Common Stock Components of Net Investment Income Investment Income [Table Text Block] Total investment income Investment Income, Interest and Dividend, Income (Loss) Investment Income, Interest and Dividend, Income (Loss) Fair Value Measurement Inputs and Valuation Techniques Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Income (loss) per common share attributable to Corebridge common shareholders: Earnings Per Share [Abstract] Equity [Abstract] Capitalization of deferred policy acquisition costs Increase (Decrease) in Deferred Policy Acquisition Costs Benefits and expenses: Benefits, Losses and Expenses [Abstract] Fair Value Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract] Retained earnings Retained Earnings (Accumulated Deficit) Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Long-Duration Insurance Contracts Long-Duration Insurance Contracts [Member] Long-Duration Insurance Contracts Shares repurchased (in shares) Stock Repurchased and Retired During Period, Shares Class of Stock [Domain] Class of Stock [Domain] Amounts to be reclassified in the next twelve months Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months Related Party Transaction [Line Items] Related Party Transaction [Line Items] Other Policyholder Account Balance, Other Policyholder Account Balance, Other Deposits Policyholder Account Balance, Deposit Received Policyholder Account Balance, Deposit Received Net income (loss) attributable to Corebridge or noncontrolling interests Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Unrealized gains (losses) recognized during the reporting period on equity securities and other investments still held at the reporting date Equity Securities, FV-NI, Unrealized Gain (Loss) Non-U.S. governments Non-U.S. governments Debt Security, Government, Non-US [Member] Dispositions Liability for Future Policy Benefit, Expected Net Premium, Derecognition Commercial loans, other loans and notes receivable(b) Commercial, Other And Notes Portfolio Segment [Member] Commercial, Other And Notes Portfolio Segment Loss Severity Measurement Input, Loss Severity [Member] Changes related to unrealized appreciation (depreciation) of investments Liability for Future Policy Benefit, Expected Net Premium, Appreciation (Depreciation) Liability for Future Policy Benefit, Expected Net Premium, Appreciation (Depreciation) Effect of changes in other future expected assumptions Market Risk Benefit, Increase (Decrease) From Future Expected Assumptions Market Risk Benefit, Increase (Decrease) From Future Expected Assumptions Amendment Flag Amendment Flag Account value Net Amount At Risk By Product And Guarantee, Account Value Net Amount At Risk By Product And Guarantee, Account Value Carrying Value Reported Value Measurement [Member] Change in deferred tax asset (liability) Other Comprehensive (Income) Loss, Change In Deferred Tax Asset (Liability), Net Of Tax Other Comprehensive (Income) Loss, Change In Deferred Tax Asset (Liability), Net Of Tax Debt Securities, Trading, and Equity Securities, FV-NI [Table] Debt Securities, Trading, and Equity Securities, FV-NI [Table] Deferred Policy Acquisition Cost [Table] Deferred Policy Acquisition Cost [Table] Number of shares to be sold (in shares) Sale of Stock, Number of Shares Issued in Transaction Other policyholder funds Other policyholder funds Other Policyholder Funds Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] April 2024 Share Repurchase Program April 2024 Share Repurchase Program [Member] April 2024 Share Repurchase Program Issuances and Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Entity Address, Postal Zip Code Entity Address, Postal Zip Code Net present value of interest payments (as a percent) Debt Instrument, Percentage Of Net Present Value Of Schedule Interest Payments Debt Instrument, Percentage Of Net Present Value Of Schedule Interest Payments Net realized losses: Realized Investment Gains (Losses) [Abstract] Other, including foreign exchange Deferred Policy Acquisition Costs, Foreign Currency Translation Gain (Loss) Interest accretion Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Accretion Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Accretion Fair Value Beginning of Period Fair Value End of Period Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss) Adjusted pre-tax operating income (loss) Income (Loss) Attributable to Parent, before Tax Other, net Payments for (Proceeds from) Other Investing Activities Utilization Measurement Input, Utilization Rate [Member] Unconsolidated VIE Variable Interest Entity, Not Primary Beneficiary [Member] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Equity Method Investment, Nonconsolidated Investee [Axis] Equity Method Investment, Nonconsolidated Investee [Axis] Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Effect of changes in interest rate volatility Market Risk Benefit, Increase (Decrease) from Interest Rate Volatility Market Risk Benefit, Increase (Decrease) from Interest Rate Volatility Gross Derivative Assets Derivative Asset [Abstract] Derivatives designated as hedging instruments Designated as Hedging Instrument [Member] Net income (loss) attributable to Corebridge common shareholders Net Income (Loss) Available to Common Stockholders, Basic Proceeds from sale of business Proceeds from Divestiture of Interest in Consolidated Subsidiaries Weighted average shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Premiums and other receivables, allowance for credit losses and disputes Allowance for Doubtful Accounts, Premiums and Other Receivables Total assets Maximum Exposure to Loss, On-Balance Sheet Total VIE Assets Assets Hedge Funds Hedge Funds, Equity [Member] Maximum Exposure to Loss, Off-Balance Sheet Fair Value Disclosure, off-Balance-Sheet Risks, Amount, Asset Reinsurance assets, net of allowance for credit losses and disputes Reinsurance Assets Net Of Allowance Represents reinsurance assets, including amounts due from reinsurers for claims and unearned reinsurance premiums, net of an allowance for loss. Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Contingencies, commitments and guarantees Commitments and Contingencies Net liability for future policy benefits after reinsurance recoverable Liability for Future Policy Benefit, after Reinsurance Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), before Tax, Portion Attributable to Noncontrolling Interest Separate Account Assets and Liabilities Separate Account [Text Block] Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Revenue deferred Other Policyholder Funds, Capitalization Other Policyholder Funds, Capitalization Mortgage-backed, asset-backed and collateralized Collateralized Mortgage-Backed Securities [Member] 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] Benefit payments Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment Advisory fee and other income Investment Banking, Advisory, Brokerage, And Underwriting Fees And Commissions And Other Income Investment Banking, Advisory, Brokerage, And Underwriting Fees And Commissions And Other Income Market Risk Benefits Long-Duration Insurance Contracts Disclosure [Text Block] Other liabilities (portion measured at fair value: 2024 - $184; 2023 - $141) Other liabilities Other liabilities Other Liabilities Derivatives not designated as hedging instruments Not Designated as Hedging Instrument [Member] Counterparty netting and cash collateral Derivative Asset, Including Not Subject to Master Netting Arrangement, after Offset and Deduction Schedule of Gain (Loss) on Securities [Table] Schedule of Gain (Loss) on Securities [Table] Market Risk Benefit [Line Items] Market Risk Benefit [Line Items] Reinsurance payable Reinsurance Payable Net income attributable to Corebridge Net income (loss) attributable to Corebridge Net Income (Loss) Attributable to Parent Balance, beginning of year, before effect of changes in our own credit risk Balance, end of period before effect of changes in our own credit risk Market Risk Benefit, before Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change Fair Value Information about Financial Instruments not Measured a Fair Value Fair Value, by Balance Sheet Grouping [Table Text Block] 2022 Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Total carrying values of cash and securities deposited under requirements of regulatory authorities or other insurance-related arrangements Assets Held by Insurance Regulators Interest accrual Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense CLO Collateralized Loan Obligation [Member] Collateralized Loan Obligation Total benefits and expenses Total benefits and expenses Benefits, Losses and Expenses Net Market Risk Benefit, after Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change Entity File Number Entity File Number Realized Gain (Loss) on Investments Realized Gain (Loss) on Investments [Table Text Block] Consolidated Entities [Domain] Consolidated Entities [Domain] Non- Redeemable Noncontrolling Interests Noncontrolling Interest [Member] Income Statement [Abstract] Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Denominator for EPS: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Investments [Line Items] Investments [Line Items] Line items represent reporting 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. Effect of exchange rate changes on cash and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations Mortality rates Measurement Input, Mortality Rate [Member] Gross Transfers In Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers into Level 3 Dividends on common stock Dividends, Common Stock Long-short Hedge Funds, Equity Long (Short) [Member] Short-term investments Investment, Policy [Policy Text Block] Mortgage-backed, asset-backed and collateralized Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Fair Value Change in the discount rates used to measure traditional and limited payment long-duration insurance contracts Effect of changes in the discount rates used to measure traditional and limited-payment long duration insurance contracts AOCI, Market Risk Benefit, Change In Discount Rates, Including Noncontrolling Interest [Member] AOCI, Market Risk Benefit, Change In Discount Rates, Including Noncontrolling Interest Current period provision for expected credit losses and disputes Reinsurance Recoverable, Credit Loss Expense (Reversal) AIG Life U.K. AIG Life (United Kingdom) [Member] AIG Life (United Kingdom) New Jersey NEW JERSEY Macro Hedge Funds Macro Value [Member] Investments that take long and short positions in financial instruments based on a top-down view of certain economic and capital market conditions. Fair Value, Balance Sheet Grouping, Financial Statement Captions Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Off-balance sheet exposure associated with VIEs Fair Value Disclosure, off-Balance-Sheet Risks, Amount, Liability Discontinued Operations, Disposed of by Sale Discontinued Operations, Disposed of by Sale [Member] NPA Measurement Input, Counterparty Credit Risk [Member] Write-offs charged against the allowance for credit losses and disputes Reinsurance, Loss on Uncollectible Accounts in Period, Amount Type of Borrower [Axis] Type of Borrower [Axis] Net income (loss) attributable to noncontrolling interests Net income (loss) attributable to noncontrolling interests Net (loss) attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Gross Derivative Liabilities Derivative Liability [Abstract] Total Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Extension period (in years) Fair Value, Investments Entities That Calculate Net Asset Value Per Share Liquidating Investment Average Original Expected Lives, Extension Increment Fair Value, Investments Entities That Calculate Net Asset Value Per Share Liquidating Investment Average Original Expected Lives, Extension Increment Restricted cash included in other assets Restricted Cash and Cash Equivalents, Noncurrent Document Quarterly Report Document Quarterly Report Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Other invested assets Other Invested Assets [Member] Other investments not otherwise specified in the taxonomy. Policyholder contract deposits Additions to Contract Holders Funds Related Party [Axis] Related and Nonrelated Parties [Axis] Basic (in shares) Weighted average common shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Weighted average debt service coverage ratio Weighted Average Debt Service Coverage Ratio Weighted Average Debt Service Coverage Ratio 12 Months or More Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Total equity Balance, beginning of period Balance, end of period Equity, Including Portion Attributable to Noncontrolling Interest Net realized gains (losses) Sales of fixed maturity securities Debt Securities, Available-for-Sale, Realized Gain (Loss) Non-cash financing activities: Cash Flow, Noncash Financing Activities Cash Flow, Noncash Financing Activities Transfers into Level 3 at end of reporting period, net gains (losses) not included in realized and unrealized gains and losses related to Level 3 for the period Fair Value, Level 3 Transfers In At End Of Period, Net Gain (Loss) Excluded From Level 3 Gains (Losses) Net gains or losses for the period (realized and unrealized) related to assets and liabilities transferred into Level 3 at fair value at the end of the reporting period and are therefore not reflected in realized and unrealized gains and losses related to Level 3 for the period. New York NEW YORK Other reconciling items Other Policyholder Funds, Other Reconciling Items Other Policyholder Funds, Other Reconciling Items Less Than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Entity Filer Category Entity Filer Category Gains/(losses) recognized in earnings for excluded components Gain (Loss) from Components Excluded from Assessment of Fair Value Hedge Effectiveness, Net Collateral posted Collateral posted Collateral Already Posted, Aggregate Fair Value Supplementary Disclosure of Consolidated Cash Flow Information Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract] Average attained age of contract holders Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age Corporate and Other Corporate Segment and Other Operating Segment [Member] Unrealized Appreciation (Depreciation) of Fixed Maturity Securities on Which allowance for credit losses was Taken AOCI, Gain (Loss), Debt Securities, Available-for-Sale, with Allowance for Credit Loss, Parent [Member] Debt and Equity Securities, FV-NI [Line Items] Debt and Equity Securities, FV-NI [Line Items] Statistical Measurement [Domain] Statistical Measurement [Domain] Net change in derivative assets and liabilities Payments for (Proceeds from) Derivative Instrument, Investing Activities Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Effect of changes in interest rates Market Risk Benefit, Increase (Decrease) from Interest Rate Change 1.00 - 1.20X Debt Service Coverage Ratio Range Two [Member] Debt service ratio which is greater than 1x but less than 1.2x Common stock ownership interest (as a percent) Sale of Stock, Percentage of Ownership before Transaction Loan Restructuring Modification [Axis] Loan Restructuring Modification [Axis] Schedule of Other Invested Assets Schedule Of Other Invested Assets [Table Text Block] Schedule Of Other Invested Assets (Decrease) increase in reserves Increase (Decrease) in Future Policy Benefit Reserves and Other Insurance Liabilities Transfers out Level 3 at end of reporting period, net gains (losses) included in realized and unrealized gains and losses related to Level 3 for the period. Fair Value, Level 3 Transfers Out At End Of Period, Net Gain (Loss) Included In Level 3 Gains (Losses) Net gains or losses for the period (realized and unrealized) related to assets and liabilities transferred out of Level 3 at fair value at the end of the reporting period and are therefore reflected in realized and unrealized gains and losses related to Level 3 for the period. Percentage of total, allowance for credit losses Financing Receivable, Allowance for Credit Loss to Outstanding, Percent Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 5% To 5.5% Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0500 To 0550 [Member] Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0500 To 0550 Other Loans Other Portfolio Segment [Member] Other Portfolio Segment Securities for which allowance for credit losses were not previously recorded Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Not Previously Recorded Computation of Basic and Diluted Earning per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Consolidated VIE Variable Interest Entity, Primary Beneficiary [Member] Debt of consolidated investment entities Long-Term Debt [Member] Derivative [Line Items] Derivative [Line Items] Debt Service Coverage Ratio By Range [Domain] Debt Service Coverage Ratio By Range [Domain] Debt Service Coverage Ratio By Range [Domain] Taxes Income Taxes Paid, Net Other Commitments [Line Items] Other Commitments [Line Items] Carrying amount of equity method investments Equity Method Investments Noncontrolling interest Redeemable Noncontrolling Interest, Equity, Carrying Amount Premiums and deposits Separate Account, Liability, Premium and Deposit 660 - 719 FICO Score, Between 660 And 719 [Member] FICO Score, Between 660 And 719 More than 50 Basis Points Above Minimum Guarantee Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0050 and Greater [Member] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0050 and Greater RMBS Residential Mortgage-Backed Securities [Member] Derivative [Table] Derivative [Table] Other reconciling items Liability for Future Policy Benefit, Adjustments, Other Reconciling Items Liability for Future Policy Benefit, Adjustments, Other Reconciling Items Due in one year or less Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Amortized Cost Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Market Risk Benefit Liabilities Market Risk Benefit Liabilities [Member] Market Risk Benefit Liabilities Advisory fee expenses Noninterest Expense Investment Advisory Fees Common Stock outstanding, beginning balance (in shares) Common Stock outstanding, ending balance (in shares) Common Stock, Shares, Outstanding Future policy benefits for life and accident and health insurance contracts Future policy benefits for life and accident and health insurance contracts Net liability for future policy benefits, beginning balance Net liability for future policy benefits, end of period Liability for Future Policy Benefit, before Reinsurance Accrued interest receivable Interest Receivable Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Effects of Reinsurance [Table] Effects of Reinsurance [Table] Reinsurance assets and funds held under reinsurance treaties Increase (Decrease) In Reinsurance Assets, Net The net change during the reporting period in the amount of benefits the ceding insurer expects to recover on insurance policies ceded to other insurance entities as of the balance sheet date for all guaranteed benefit types and the change in funds held under reinsurance agreements or treaty (contract between the reinsurer and the ceding entity stipulating the manner in which insurance written on various risks is to be shared). Amounts borrowed under repurchase and securities lending agreements Securities Sold Under Agreements To Repurchase And Securities Loaned Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price and of securities loaned to entities in exchange for collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset. Gross Realized Losses Debt Securities, Available-for-Sale, Realized Loss Policyholder Account Balance [Line Items] Policyholder Account Balance [Line Items] Entity Tax Identification Number Entity Tax Identification Number General Services Agreement General Services Agreement [Member] General Services Agreement Shares repurchased (in shares) Treasury Stock, Shares, Acquired Cash Collateral Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset Policyholder Account Balance, Percentage Policyholder Account Balance, Percentage Policyholder Account Balance, Percentage Fixed maturity securities, designated available-for-sale, received in connection with pension risk transfer transactions Fixed maturity securities available for sale received in connection with pension risk transfer transactions Fixed maturity securities available for sale received in connection with pension risk transfer transactions Deferred Sale Inducement Cost [Table] Deferred Sale Inducement Cost [Table] Balance, beginning of year Balance, end of year Other reconciling items Deferred Policy Acquisition Cost Treasury Stock Treasury Stock, Common [Member] Schedule of Derivative Instruments Schedule of Derivative Instruments [Table Text Block] Eliminations Intersegment Eliminations [Member] Reclassified to Liabilities held-for-sale Liability For Future Policy Benefit, Reclassified To Liabilities Held-For-Sale, Expected Future Policy Benefit, Before Tax Liability For Future Policy Benefit, Reclassified To Liabilities Held-For-Sale, Expected Future Policy Benefit, Before Tax Equity Components [Axis] Equity Components [Axis] Change in fair value of market risk benefits attributable to changes in our own credit risk Market Risk Benefit, Change in Fair Value, Gain (Loss), Net Market Risk Benefit, Change in Fair Value, Gain (Loss), Net Other bond securities Other Bond Securities [Member] Other Bond Securities Fortitude Holdings Fortitude Holdings Fortitude Holdings [Member] Fortitude Holdings [Member] Effects of Reinsurance [Line Items] Effects of Reinsurance [Line Items] Collateralized Reinsurance Transactions Collateralized Reinsurance Transactions [Member] Collateralized Reinsurance Transactions Investment real estate Investment Real Estate [Member] Investment Real Estate Notional Amount Derivative asset, notional amount Derivative Asset, Notional Amount Fair Value Beginning of Year Fair Value End of Period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value All other derivatives and hedge accounting Gain (Loss) on Sale of Derivatives Cash Collateral Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset Divestitures, net Proceeds from Divestiture of Businesses, Net of Cash Divested 1 Basis Point - 50 Basis Points Above Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0001 to 0050 [Member] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Effect of changes in our own credit risk Effect of changes in our own credit risk AOCI, Market Risk Benefit, Instrument-Specific Credit Risk, before Tax Receivable [Domain] Receivable [Domain] Net Investment Income (Loss) Investment Income [Member] 720 - 779 FICO Score, Between 720 And 779 [Member] FICO Score, Between 720 And 779 Other bond securities Debt Securities, Fixed Maturity [Member] Debt Securities, Fixed Maturity Investments [Domain] Investments [Domain] Weighted-average interest rate, original discount rate Liability for Future Policy Benefit, Weighted-Average Discount Rate Liability for Future Policy Benefit, Weighted-Average Discount Rate 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 Net Realized and Unrealized Gains (Losses) Realized Investment Gains (Losses) [Member] Primary financial statement caption encompassing net realized gains and losses. Market Risk Benefit [Table] Market Risk Benefit [Table] Financing Receivable, Credit Quality Indicator [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] Geographical [Axis] Geographical [Axis] Other Comprehensive (Income) Loss Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss) Equity Method Investments, Joint Ventures, Investments, Debt And Equity Securities [Abstract] Equity Method Investments, Joint Ventures, Investments, Debt And Equity Securities Maturities of fixed maturity securities available-for-sale Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Principal amount collateral (AS a percent) Debt Instrument, Collateral Principal Amount, Percentage Debt Instrument, Collateral Principal Amount, Percentage Increase in valuation allowance Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Investments [Table] Investments [Table] This table lists the investments. The line items identify information about the investment. Due from related party Receivables, Net, Current Weighted-average Weighted Average [Member] Derivative liability, Fair value of collateral Derivative Liability, Fair Value of Collateral Dividends [Line Items] Dividends [Line Items] Dividends [Line Items] Net transfers from (to) separate account Transfer to (from) Policyholder Account Balance (to) from Separate Account Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Fixed maturity securities, designated fair value option, transferred in connection with reinsurance transactions Noncash Or Part Noncash, Fair Value Option, Transferred In Connection With Reinsurance Transaction Noncash Or Part Noncash, Fair Value Option, Transferred In Connection With Reinsurance Transaction Asset Pledged as Collateral Asset Pledged as Collateral [Member] Purchases, Sales, Issuances and Settlements, Net Purchases, Sales, Issuances and Settlements, Net Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, (Sales), Issuances, (Settlements) Amortization expense Deferred Sales Inducement Cost, Amortization Expense Total Debt Securities, Available-for-Sale, Unrealized Loss Position Cash and restricted cash at beginning of year Cash and restricted cash at end of period Total cash and restricted cash shown in the Condensed Consolidated Statements of Cash Flows Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Fortitude Re funds withheld assets Modified Coinsurance And Funds Withheld Assets [Member] Modified Coinsurance And Funds Withheld Assets [Member] Change in net actuarial loss Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax Policy Fees Policy Fees [Member] Policy Fees Consolidation Items [Axis] Consolidation Items [Axis] Less: Reinsurance recoverable: Less: Reinsurance recoverable: Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Liabilities [Abstract] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Liabilities [Abstract] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Liabilities Treasury stock, at cost (in shares) Treasury Stock, beginning balance (in shares) Treasury Stock, ending balance (in shares) Treasury Stock, Common, Shares Change in allowance for credit losses on loans Loans Receivable [Member] Beginning balance at 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 Product and Service [Domain] Product and Service [Domain] 91 - 364 Days Maturity 91 To 364 days [Member] Maturity period that is more than 90 days but fewer than 365 days from the reporting date for repurchase agreements and similar transactions. Derivative liabilities, net Derivative Financial Instruments, Liabilities [Member] Fair Value Disclosures [Abstract] Less than 65% Debt-To-Value Ratio, Less than 65 Percent [Member] Loan to value ratio which is less than 65 percent. Accumulated depreciation on investment in real estate Real Estate Investment Property, Accumulated Depreciation Counterparty netting and cash collateral Derivative Liability, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) Apartments Apartment Building [Member] Security Exchange Name Security Exchange Name Increase (decrease) in unrealized appreciation (depreciation) of investments Change in unrealized depreciation of investments OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax Related Party Transaction [Domain] Related Party Transaction [Domain] Long-Duration Insurance Contracts And Value Of Business Acquired Long-Duration Insurance Contracts And Value Of Business Acquired [Member] Long-Duration Insurance Contracts And Value Of Business Acquired Financing Receivable, Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Table] Change in fair value of market risk benefits attributable to changes in our own credit risk OCI, Market Risk Benefit, Instrument-Specific Credit Risk, Gain (Loss), after Adjustments and Tax Purchases, Sales, Issuances and Settlements, Net Purchases, Sales, Issuances and Settlements, Net Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements) Amount Reclassified from AOCI Reclassification out of Accumulated Other Comprehensive Income [Member] Noncontrolling interests Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest Fixed maturity securities Available-for-sale fixed maturity securities, including short-term investments Fixed Maturities [Member] Fixed maturity securities: Debt Securities [Abstract] Balance, beginning of year Balance, end of period Deferred Sale Inducement Cost Components of net realized capital gains (losses) Gain (Loss) on Securities [Line Items] 31 - 90 Days Maturity 31 To 90 days [Member] Maturity period that is more than 30 days but fewer than 90 days from the reporting date for repurchase agreements and similar transactions. Fair value and gross unrealized losses on AIG's available for sale securities Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] Short-term debt Short-Term Debt Write-offs charged against the allowance Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Other commitments Other Commitment Components of Unrealized Gain (Loss) on Investments Unrealized Gain (Loss) on Investments [Table Text Block] Total net realized losses Net realized gains (losses) Realized Investment Gains (Losses) Non-Recurring Basis Fair Value, Nonrecurring [Member] Sales Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Common stock, shares issued (in shares) Common Stock issued, beginning balance (in shares) Common Stock issued, ending balance (in shares) Common Stock, Shares, Issued Entity [Domain] Entity [Domain] Undiscounted expected future benefits and expense Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance Reclassified to Liabilities held-for-sale Liability For Future Policy Benefit, Reclassified To Liabilities Held-For-Sale, Expected Net Premiums, Before Tax Liability For Future Policy Benefit, Reclassified To Liabilities Held-For-Sale, Expected Net Premiums, Before Tax Concentration risk (as a percent) Percentage of mortgage loans in geographic area Concentration Risk, Percentage Assets held-for-sale Disposal Group, Including Discontinued Operation, Assets Base lapse rate Measurement Input, Lapse Rate [Member] Total Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Total derivative liabilities Total derivative liabilities on consolidated balance sheet Derivative liabilities, net Derivative Liability Cash Cash Valuation Allowance by Deferred Tax Asset [Axis] Valuation Allowance by Deferred Tax Asset [Axis] Fair Value of Separate Account Investment Options Fair Value, Separate Account Investment [Table Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Other Other Hedge Funds [Member] Represents the other hedge funds category of investment which includes multi strategy and relative value strategies. Acquisition of businesses, net of cash and restricted cash acquired Payments to Acquire Businesses, Net of Cash Acquired Insurance [Abstract] Change in allowance for credit losses on loans Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Period Increase (Decrease) Gross Transfers In Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Notional Amount Derivative Liability, Notional Amount Fixed annuities guaranteed benefits Annuities, Including Certain Guaranteed Minimum Withdrawal Benefits [Member] Annuities, Including Certain Guaranteed Minimum Withdrawal Benefits ABS Asset-Backed Securities, Securitized Loans and Receivables [Member] Adjusted beginning of year balance Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Fair Value, Separate Account Investment [Table] Fair Value, Separate Account Investment [Table] Related Party Related Party [Member] Changes in noncontrolling interests due to divestitures and acquisitions Noncontrolling Interest, Increase From Business Combination And (Decrease) From Deconsolidation, Net Noncontrolling Interest, Increase From Business Combination And (Decrease) From Deconsolidation, Net Hedging Designation [Domain] Hedging Designation [Domain] Commercial loans, other loans and notes receivable Commercial Loans, Other Loans And Notes Receivable [Member] Commercial Loans, Other Loans And Notes Receivable Interest expense Interest Expense, Nonoperating Fair value of hybrid securities Hybrid Instruments at Fair Value, Net Employee Benefit Programs Trust for Benefit of Employees [Member] Change in the discount rates used to measure traditional and limited payment long-duration insurance contracts OCI, Liability for Future Policy Benefit, Gain (Loss), after Reclassification Adjustment and Tax Recurring Basis Fair Value, Recurring [Member] Minimum credit rating (as a percent) Policyholder Account Balance, Guaranteed Minimum Credit Rating Ownership percentage (as a percent) Subsidiary, Ownership Percentage, Parent 12 Months or More Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Impairment Charges Asset Impairment Charges Long-term debt Long-Term Debt Corebridge Corebridge [Member] Corebridge Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Loans Commercial loans, other loans and notes receivable(b) Total Total Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Principal payments received on mortgage and other loans receivable Proceeds from Sale and Collection of Mortgage Notes Receivable Liability Market Risk Benefit, Liabilities, after Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change Market Risk Benefit, Liabilities, after Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change Separate Account, Liability [Roll Forward] Separate Account, Liability [Roll Forward] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Balance, beginning of year Balance, end of period Market Risk Benefit, after Increase (Decrease) from Instrument-Specific Credit Risk Investment Income [Table] Investment Income [Table] Investment expenses Investment Income, Investment Expense Credit Score, FICO [Domain] Credit Score, FICO [Domain] Real estate Real Estate Investment [Member] AIG Life AIG Life [Member] AIG Life GMWB only Guaranteed Minimum Withdrawal Benefit [Member] Total Corebridge Shareholders' Equity Parent [Member] Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward] Equity, Attributable to Noncontrolling Interest [Roll Forward] Accounting Policies [Abstract] Liabilities: Liabilities [Abstract] Revenues: Revenues [Abstract] Fair Value Measurement Fair Value Measurement, Policy [Policy Text Block] Current Fiscal Year End Date Current Fiscal Year End Date Due in one year or less Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value May 2023 Share Repurchase Program May 2023 Share Repurchase Program [Member] May 2023 Share Repurchase Program Federal Home Loan Bank stock Federal Home Loan Bank Stock Receivables (payables) from tax sharing agreements Receivables (Payables) From Tax Sharing Arrangements Receivables (Payables) From Tax Sharing Arrangements Loan Restructuring Modification [Domain] Loan Restructuring Modification [Domain] Shares issued under long-term incentive compensation plans (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Derivative asset, fair value of collateral Derivative Asset, Fair Value of Collateral Revision of Prior Period [Axis] Revision of Prior Period [Axis] Deferred income taxes Deferred Income Tax Assets, Net Total Investments, Fair Value Disclosure Other bond securities Total fixed maturity securities Fixed maturity securities - fair value option Debt Securities, Trading Additional Paid-In Capital Additional Paid-in Capital [Member] Hedging Relationship [Axis] Hedging Relationship [Axis] Policyholder Contract Deposits and Other Policyholder Funds Policyholder Contract Deposits And Other Policyholder Funds [Text Block] Policyholder Contract Deposits And Other Policyholder Funds Continuing Operations, Excluding Held-For-Sale Continuing Operations, Excluding Held-For-Sale [Member] Continuing Operations, Excluding Held-For-Sale Composition of Mortgages and Other Loans Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Liabilities for Guarantees on Long-Duration Contracts [Table] Liabilities for Guarantees on Long-Duration Contracts [Table] Accounting Standards Adopted During 2024 and Future Application of Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Securitization Vehicles Securitization Vehicles [Member] Represents variable interest entities consisting of securitization vehicles. Amortized cost of commercial mortgage loans Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount Class of Stock [Axis] Class of Stock [Axis] Other Other Comprehensive Income, Other, Net of Tax Entity Interactive Data Current Entity Interactive Data Current Operating Activities [Axis] Operating Activities [Axis] Available-for-sale securities Proceeds from Sale of Debt Securities, Available-for-Sale Gross Transfers In Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 Policyholder benefits (includes remeasurement losses of $168 and $157 for the six months ended June 30, 2024 and 2023, respectively) Policyholder benefits Policyholder Benefits and Claims Incurred, Net Unrealized Appreciation (Depreciation) of All Other Investments AOCI, Gain (Loss), Debt Securities, Available-for-Sale, without Allowance for Credit Loss, Including Noncontrolling Interest [Member] Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 1% Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 0100 [Member] Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 0100 Weighted average liability duration of the liability for future policy benefits (in years) Liability for Future Policy Benefit, Weighted-Average Duration Funds withheld investment assets Funds Held under Reinsurance Agreements, Asset Fair Value Measured at Net Asset Value Per Share Fair Value Measured at Net Asset Value Per Share [Member] Schedule of Credit Derivatives [Table] Credit Derivative [Table] Retirement Plan Liabilities Adjustment Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Net Realized and Unrealized (Gains) Losses Included in Income Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings Securities collateral pledged to us Securities Received as Collateral Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases Ceded premiums Ceded Premiums Written Cash (received) paid during the period for: Supplemental Cash Flow Information [Abstract] Collateral obtained from third parties for derivative transactions Additional Collateral, Aggregate Fair Value Equity securities, at fair value Equity securities Equity Securities, FV-NI Fair Value Debt Securities, Fair Value Losses [Abstract] Debt Securities, Fair Value Losses Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Loans on nonacrrual status Financing Receivable, Excluding Accrued Interest, Nonaccrual Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Funds held relating to Fortitude Re Reinsurance contracts Increase (Decrease) in Funds Held under Reinsurance Agreements Liability for future policy benefits for certain participating contracts Liability for Future Policy Benefit, Adjustments, Certain Participating Contracts Liability for Future Policy Benefit, Adjustments, Certain Participating Contracts Effective income tax rate (as a percent) Effective Income Tax Rate Reconciliation, Percent Life Insurance Life Insurance Operating Segment [Member] Life Insurance Operating Segment Credit Quality Financing Receivable Credit Quality Indicators [Table Text Block] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Deferred policy acquisition costs held for sale Disposal Group, Including Discontinued Operation, Deferred Policy Acquisition Cost Amounts to be reclassified in the next 30 years Cash Flow Hedge Gain (Loss) to be Reclassified After 12 Months Cash Flow Hedge Gain (Loss) to be Reclassified After 12 Months Number of reportable segments Number of Reportable Segments Total liabilities and equity Liabilities and Equity Policyholder contract deposits associated with investment-type contracts Policyholder Contract Deposits Investment Type The liability to the policyholders for deposits associated with investment-type insurance contracts. Carrying amount of hedged assets Hedged Asset, Fair Value Hedge Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Due after five years through ten years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Fair Value Hedging Designation [Axis] Hedging Designation [Axis] Net Investment Income Net Investment Income [Member] Net Investment Income Total Corebridge Operating Segments, Excluding Intersegment Elimination [Member] Operating Segments, Excluding Intersegment Elimination Derivatives and Hedge Accounting Derivative Instruments and Hedging Activities Disclosure [Text Block] Purchases, Sales, Issuances and Settlements, Net Purchases, Sales, Issuances and Settlements, Net Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases, Sales, Issues, Settlements Total Securities Investment [Member] Guaranteed Insurance Contract, Type of Benefit [Domain] Guaranteed Insurance Contract, Type of Benefit [Domain] Measurement Input Type [Axis] Measurement Input Type [Axis] Class of Financing Receivable, Type of Borrower [Domain] Class of Financing Receivable, Type of Borrower [Domain] Debt securities, available-for-sale, measurement input Debt Securities, Available-for-Sale, Measurement Input Accumulated Other Comprehensive Income (Loss) Total AOCI Attributable to Parent [Member] Liabilities held-for-sale Disposal Group, Including Discontinued Operation, Liabilities >90 days delinquent or in process of foreclosure Financial Asset, Greater Than 90 Days Past Due [Member] Financial Asset, Greater Than 90 Days Past Due Product and Service [Axis] Product and Service [Axis] Statement [Line Items] Statement [Line Items] Measurement Input Type [Domain] Measurement Input Type [Domain] Assets Sold under Agreements to Repurchase, Maturity Period [Domain] Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Investments Equity Method Investments, Joint Ventures, Investments, Debt And Equity Securities [Text Block] Equity Method Investments, Joint Ventures, Investments, Debt And Equity Securities Par value of hybrid securities Hybrid Instruments At Par Value Par value as of the balance sheet date of hybrid instruments. Weighted average crediting rate Policyholder Account Balance, Weighted Average Crediting Rate Separate Account Asset Category [Domain] Separate Account Asset Category [Domain] Operations by Segment Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Investments in Certain Entities that Calculate Net Asset Value Per Share Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Table Text Block] Bond funds Separate Account, Debt Security [Member] Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3% Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 To 0300 [Member] Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0200 To 0300 Policy charges Separate Account, Liability, Policy Charge Other Ownership Interests [Line Items] Other Ownership Interests [Line Items] Fair Value Beginning of Year Fair Value End of Period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Other Liability for Future Policy Benefit, Expected Net Premium, Other Liability for Future Policy Benefit, Expected Net Premium, Other Minimum Minimum [Member] Change in the Fair Value of Market Risk Benefits, net Change in the Fair Value of market risk benefits, net Market Risk Benefit, Change in Fair Value, Gain (Loss) [Member] Market Risk Benefit, Change in Fair Value, Gain (Loss) Equity funds Separate Account, Equity Security [Member] Related Party Transactions [Abstract] Amortization expense Deferred Policy Acquisition Costs, Amortization Expense Contributions from noncontrolling interests Proceeds From Redeemable Noncontrolling Interest Proceeds From Redeemable Noncontrolling Interest VARIABLE INTEREST ENTITY Variable Interest Entity [Line Items] Index credits on fixed index annuities Index Credits On Fixed Index Annuities [Member] Index Credits On Fixed Index Annuities Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Noncontrolling Interest [Member] Promissory Notes Promissory Notes [Member] Promissory Notes Separate Account Asset Category [Axis] Separate Account Asset Category [Axis] Segments [Axis] Segments [Axis] Amortization of deferred policy acquisition costs and value of business acquired Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Amortization U.S. federal income tax at statutory rate (as a percent) Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Derivative Instrument [Axis] Derivative Instrument [Axis] Real Estate and Investment Entities Real Estate and Investment Funds [Member] Variable interest entities consisting of real estate and investment funds. GMDB only Guaranteed Minimum Death Benefit [Member] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table] Schedule of Variable Interest Entities [Table] Variable Interest Entity [Table] Excluding Modified Coinsurance And Funds Withheld Embedded Derivative Excluding Modified Coinsurance And Funds Withheld Embedded Derivative [Member] Excluding Modified Coinsurance And Funds Withheld Embedded Derivative [Member] Corebridge Shareholders' equity: Equity, Attributable to Parent [Abstract] Deposits Deposits [Member] Less Than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI Total investments Investments Attributed fees Market Risk Benefit, Attributed Fee Collected Extended Maturity Extended Maturity [Member] Private Equity Funds and Hedge Funds Private Equity Funds And Hedge Funds [Member] Private Equity Funds And Hedge Funds Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Domain] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Domain] Excess benefits paid Liability for Future Policy Benefit, Expected Net Premium, Excess Benefits Paid Liability for Future Policy Benefit, Expected Net Premium, Excess Benefits Paid Debt instrument term (in years) Debt Instrument, Term Expected claims Market Risk Benefit, Expected Claims Market Risk Benefit, Expected Claims Temporary Equity [Line Items] Temporary Equity [Line Items] Income Tax Disclosure [Abstract] Foreign currency translation gain (loss) adjustment related to net investment hedge relationships Derivatives used in Net Investment Hedge, Increase (Decrease), Gross of Tax Net change in short-term investments Payments for (Proceeds from) Short-Term Investments Other invested assets (portion measured at fair value: 2024 - $7,479; 2023 - $7,690 Other investments Total Other invested assets Other Investments Financial Instruments Owned and Pledged as Collateral [Table] Financial Instruments Owned and Pledged as Collateral [Table] Mortgage and other loans receivable, net of allowance for credit losses of $758 in 2024 and $698 in 2023 Mortgage and other loans receivable Mortgage and other loans receivable, net Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Statement of Stockholders' Equity [Abstract] Receivables [Abstract] Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax 65% to 75% Debt-To-Value Ratio, Between 65 And 75 Percent [Member] Loan to value ratio which is greater than 65 percent but less than 75 percent. Cash Equivalents, Restricted Cash and Restricted Cash Equivalents: Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations [Abstract] Non-investment grade reinsurance recoverables (as a percent) Reinsurance Recoverables, Noninvestment Grade, Percentage Reinsurance Recoverables, Noninvestment Grade, Percentage Restricted cash, included in other invested assets Restricted Cash, Included In Other Short-Term Investments Restricted Cash, Included In Other Short-Term Investments Assets: Assets, Fair Value Disclosure [Abstract] Valuation allowance related to certain tax attribute carryforward Tax Credit Carryforward, Valuation Allowance Related Party [Domain] Related and Nonrelated Parties [Domain] Reinsurance asset, allowance for credit loss Reinsurance Asset, Allowance For Credit Loss Reinsurance Asset, Allowance For Credit Loss Issuances Market Risk Benefit, Issuance Liability Class [Axis] Liability Class [Axis] Guaranteed Insurance Contract, Type of Benefit [Axis] Guaranteed Insurance Contract, Type of Benefit [Axis] Amortization expense Amortization of Value of Business Acquired (VOBA) Interest accrual Liability for Future Policy Benefit, Expected Net Premium, Interest Income Unrealized (gains) losses in earnings - net Unrealized Gain (Loss) on Investments Less: Income Amounts Attributable to Noncontrolling Interest, Disclosures [Abstract] Purchases Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Purchases Policyholder Account Balance [Roll Forward] Policyholder Account Balance [Roll Forward] Restricted cash, included in other assets Restricted Cash, Included In Other Assets Restricted Cash, Included In Other Assets Number of securities in an unrealized loss position Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Net liability for future policy benefits, end of period Liability for Future Policy Benefit, before Reinsurance And Adjustments Liability for Future Policy Benefit, before Reinsurance And Adjustments Change in retirement plan liabilities Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Surrenders and withdrawals Separate Account, Liability, Surrender and Withdrawal Reinsurance recoverables Reinsurance Recoverables, Gross Share Repurchase Program [Domain] Share Repurchase Program [Domain] Deferred profit liability Liability for Future Policy Benefit, Adjustments, Deferred Profit Liability Liability for Future Policy Benefit, Adjustments, Deferred Profit Liability Other, including foreign exchange Market Risk Benefit, Increase (Decrease), Other, Including Foreign Exchange Market Risk Benefit, Increase (Decrease), Other, Including Foreign Exchange Up to 30 Days Maturity Less than 30 Days [Member] Asset Class [Domain] Asset Class [Domain] Investments: Investments [Abstract] Reclassification into interest expense Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), Reclassification, before Tax Commercial Mortgage Loans Commercial Mortgage Loans [Member] Commercial Mortgage Loans Change in unrealized depreciation of investments Unrealized appreciation (depreciation) of all other investments AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Including Noncontrolling Interest [Member] Number of individual securities in continuous unrealized loss position for longer than twelve months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions Unfunded Commitments Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Unfunded Commitments Entity Emerging Growth Company Entity Emerging Growth Company Gross premiums Liability for Future Policy Benefit, Gross Premium Income Combined Guaranteed Minimum Death Benefit And Guaranteed Minimum Withdrawal Benefit [Member] Guaranteed Minimum Death Benefit And Guaranteed Minimum Withdrawal Benefit Change in unrealized appreciation (depreciation) of all other investments OCI, Debt Securities, Available-For-Sale, Without Allowance For Credit Loss, Unrealized Holding Gain (Loss), Before Adjustment, after Tax Gross appreciation or the gross loss in value of the total of unsold fixed maturity investments other than investments which had been determined to have had an other than temporary credit impairment in fair value below its amortized cost basis at the end of an accounting period due to credit impairment, net of reclassification adjustments and taxes. Total Liabilities, Fair Value Disclosure Other investments Other Investments [Member] Issuances and Settlements Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), OCI Fair Value Option, Disclosures [Table] Fair Value Option, Disclosures [Table] Less: Reclassification adjustments included in net income Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Institutional Markets Institutional Markets Segment [Member] Institutional Markets Segment Equity Component [Domain] Equity Component [Domain] Class of Treasury Stock [Table] Class of Treasury Stock [Table] Dispositions Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition Debt-to-Value [Domain] Debt-to-Value [Domain] Event-driven Hedge Funds, Event Driven [Member] Non-cash revenues, expenses, gains and losses included in income (loss): Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Fixed Maturity Securities and Equity Securities at Fair Value Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block] Entity Shell Company Entity Shell Company Valuation Allowance [Line Items] Valuation Allowance [Line Items] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Dividends Declared Dividends Declared [Table Text Block] Net transfers from (to) general account and other Transfer to (from) Policyholder Account Balance (to) from General Account Transfer to (from) Policyholder Account Balance (to) from General Account Statement [Table] Statement [Table] Interest credited Policyholder Account Balance, Interest Credited Policyholder Account Balance, Interest Credited Change in the fair value of market risk benefits, net Proceeds (Payments) For Market Risk Benefit Proceeds (Payments) For Market Risk Benefit Counterparty Name [Axis] Counterparty Name [Axis] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Measurement Frequency [Domain] Measurement Frequency [Domain] Schedule of Variable Interest Entities Schedule of Variable Interest Entities [Table Text Block] Numerator for EPS: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Change in future policy benefits and other Other Comprehensive Income, Unrealized Gain (Loss) On Future Policy Benefit Reserves Net Of Offset In Deferred Acquisition Costs Represents the amount recorded in other comprehensive income due to the unrealized appreciation of investments of future policyholder benefit reserves, partially offset in deferred acquisition costs and related reduction in deferred acquisition costs. 365 Days or Greater Maturity 365 Days Or Greater [Member] Maturity period that is 365 days or more from the reporting date for repurchase agreements and similar transactions. Consolidation Items [Domain] Consolidation Items [Domain] Cash surrender value Policyholder Account Balance, Cash Surrender Value Issuances and Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Net amount at risk Market Risk Benefit, Net Amount at Risk Interest Interest Paid, Excluding Capitalized Interest, Operating Activities Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Level 1 Fair Value, Inputs, Level 1 [Member] Change in foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax 600 - 659 FICO Score, Between 600 And 659 [Member] Fico Score Range Four 600 - 659. 2023 Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Statement of Cash Flows [Abstract] Non-cash investing activities: Noncash Investing and Financing Items [Abstract] Revision of Prior Period [Domain] Revision of Prior Period [Domain] Capitalization Deferred Sale Inducement Cost, Capitalization Structured Structured Investment [Member] Structured Investment Value Of Business Acquired Value Of Business Acquired [Member] Value Of Business Acquired Amortization Other Policyholder Funds, Amortization Other Policyholder Funds, Amortization Present value of expected future policy benefits Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward] Benefit payments Policyholder Account Balance, Benefit Payment Total assets Assets [Member] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Lending Activities Financing Receivables [Text Block] Income Taxes Income Tax Disclosure [Text Block] Fortitude RE Fortitude RE [Member] Fortitude RE [Member] Net Investment Income [Line Items] Net Investment Income [Line Items] Change in the discount rates used to measure traditional and limited payment long-duration insurance contracts AOCI, Market Risk Benefit, Change In Discount Rates, Parent [Member] AOCI, Market Risk Benefit, Change In Discount Rates, Parent Net change in securities lending and repurchase agreements Proceeds from (Payments for) in Securities Sold under Agreements to Repurchase Organization, Consolidation and Presentation of Financial Statements [Abstract] Retail Retail [Member] Index-Linked interest credited embedded derivatives, net of related hedges Embedded Derivative, Gain (Loss) on Embedded Derivative, Net Other Comprehensive Income (Loss) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Net amount at risk Minimum Guarantees, Net Amount at Risk [Abstract] Deferred Policy Acquisition Costs Deferred Policy Acquisition Costs [Table Text Block] Pledging Purpose [Domain] Pledging Purpose [Domain] Long-term debt, portion measured at fair value Long-Term Debt, Fair Value Entity Registrant Name Entity Registrant Name CMBS Commercial mortgage and other loans Commercial Mortgage-Backed Securities [Member] Average original expected lives (in years) Fair Value, Investments Entities That Calculate Net Asset Value Per Share Liquidating Investment Average Original Expected Lives Average original expected period the underlying assets are expected to be liquidated by the investees for investments for which net asset value per share is calculated. Net (loss) attributable to redeemable noncontrolling interest Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Non-Redeemable Noncontrolling Interest Non-Redeemable Noncontrolling Interest [Member] Non-Redeemable Noncontrolling Interest Overnight and Continuous Maturity Overnight and on Demand [Member] Corebridge Financial Corebridge Financial [Member] Corebridge Financial Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Level 2 Fair Value, Inputs, Level 2 [Member] Debt Service Coverage Ratio By Range [Axis] Debt Service Coverage Ratio By Range [Axis] Debt Service Coverage Ratio By Range [Axis] Geographical [Domain] Geographical [Domain] Stock issued in IPO (in shares) Stock Issued During Period, Value, New Issues External Entities External Entities [Member] External Entities [Member] Due after ten years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Amortized Cost Title of 12(b) Security Title of 12(b) Security Concentration Risk Type [Axis] Concentration Risk Type [Axis] Investment performance Separate Account, Liability, Increase (Decrease) from Invested Performance Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Domain] Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Domain] Changes in the allowance for losses on Mortgage and other loans receivable Allowance for Loan and Lease Losses [Roll Forward] Due after one year through five years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Amortized Cost Non-Structured Non Structured Investment [Member] Non Structured Investment Less than 600 FICO Score Less Than 600 [Member] Fico Score Range Five Less than 600. Unrealized change arising during period Other Comprehensive Income (Loss), before Reclassifications, before Tax Unrealized Appreciation (Depreciation) of Fixed Maturity Securities on Which allowance for credit losses was Taken AOCI, Gain (Loss), Debt Securities, Available-for-Sale, with Allowance for Credit Loss, Including Noncontrolling Interest [Member] Market risk benefit assets Market Risk Benefit Assets [Member] Market Risk Benefit Assets Consumer Borrower Consumer Borrower [Member] Rollforward of Outstanding Shares Schedule of Common Stock Outstanding Roll Forward [Table Text Block] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Basic (in dollars per share) Earnings Per Share, Basic Income per common share attributable to Corebridge common shareholders Earnings Per Share, Basic and Diluted EPS [Abstract] Earnings Per Share, Basic and Diluted EPS Net losses (gains) on sales of securities available-for-sale and other assets Gain (Loss) On Sale Of Debt Securities, Available For Sale And Other Assets, Net Net gains and losses on sales of securities available for sale and other assets. Issuance of common stock Proceeds from Issuance of Common Stock 76% to 80% Debt-To-Value Ratio, Between 76 And 80 Percent [Member] Loan to value ratio which is greater than 76 percent but less than 80 percent. All other investments Other Investments and Securities, at Cost Equity / interest-rate correlation Measurement Input, Equity Interest Rate Correlation [Member] Measurement Input Equity Interest Rate Correlation [Member] Fixed maturity securities Debt Securities, Available-for-Sale, Realized Gain (Loss) [Abstract] Policyholder benefits, remeasurement losses Liability for Future Policy Benefit, Remeasurement Gain (Loss) Federal operating loss carryforward limitation Deferred Tax Assets, Operating Loss Carryforwards, Domestic Ownership [Domain] Ownership [Domain] Embedded derivatives Embedded Derivative Financial Instruments [Member] Tax Sharing Arrangements Tax Sharing Arrangements [Member] Tax Sharing Arrangements Disposal Group, Held-for-Sale, Not Discontinued Operations Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Leveraged buyout Leveraged Buyout [Member] Represents debt and/or equity investments made as a part of a transaction in which assets of mature companies are acquired from the current shareholders, typically with the use of financial leverage. Change in the fair value of market risk benefits, net Market Risk Benefit, Change in Fair Value, Gain (Loss) Equity Method Investment, Nonconsolidated Investee [Domain] Equity Method Investment, Nonconsolidated Investee [Domain] Money market funds Separate Account, Money Market Funds [Member] Separate Account, Money Market Funds Contributions from noncontrolling interests Noncontrolling Interest, Increase from Subsidiary Equity Issuance Discounted expected future gross premiums (at current discount rate) Liability for Future Policy Benefit, Expected Future Gross Premium, Discounted, before Reinsurance U.S. government and government sponsored entities US Treasury and Government [Member] Excluding Fortitude Re Funds Withheld Assets Excluding Fortitude Re Fund Withheld Assets [Member] Excluding Fortitude Re Fund Withheld Assets Counterparty Netting Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Allowance for losses on Mortgage and other loans receivable Financing Receivable, Allowance for Credit Loss [Line Items] Fixed maturity securities, designated available-for-sale, transferred in connection with reinsurance transactions Noncash Or Part Noncash, Available For Sale Securities, Transferred In Connection With Reinsurance Transaction Noncash Or Part Noncash, Available For Sale Securities, Transferred In Connection With Reinsurance Transaction Due after five years through ten years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Amortized Cost Private equity funds Private Equity Funds [Member] Corebridge Financial Inc Corebridge Financial Inc [Member] Corebridge Financial Inc Credit derivatives: Credit Derivatives [Line Items] Operating Activities [Domain] Operating Activities [Domain] Total revenues Total revenue Revenues Policyholder Account Balance Policyholder Account Balance Sales Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales Entity Address, City or Town Entity Address, City or Town Issuance of debt of consolidated investment entities Proceeds from Issuance of Long-Term Debt Gross Transfers Out Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers out of Level 3 Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period Fair Value, Net Derivative Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss) Allowance for credit losses Allowance for credit losses Allowance for credit losses Allowance, beginning of period Allowance, end of period Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Counterparty Netting Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Weighted average loan-to-value ratio (as a percent) Weighted Average Loan To Value Ratio Weighted Average Loan To Value Ratio Sales Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Sales Other Commitments [Table] Other Commitments [Table] Business Acquisition [Axis] Business Acquisition [Axis] Foreign Tax Authority Foreign Tax Jurisdiction [Member] In good standing Financial Asset, Not Past Due [Member] Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Reductions: Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Reductions [Abstract] Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Reductions Liabilities: Liabilities, Fair Value Disclosure [Abstract] Change in cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Commercial Mortgages Commercial Portfolio Segment [Member] Document Fiscal Year Focus Document Fiscal Year Focus Purchase of common stock Purchase of common stock Treasury Stock, Value, Acquired, Cost Method Total Total Assets, Fair Value Disclosure Document Period End Date Document Period End Date Sale of Stock [Axis] Sale of Stock [Axis] Embedded derivatives within Policyholder contract deposits Bifurcated embedded derivative liabilities, fair value Embedded Derivative, Fair Value of Embedded Derivative Liability Contributions from noncontrolling interests Proceeds from Noncontrolling Interests Equity in income from equity method investments, net of dividends or distributions Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Asset Class [Axis] Asset Class [Axis] Bonds available for sale, amortized cost Amortized Cost or Costs Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss Adjustments Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Valuation Allowance [Table] Deferred Tax Asset, Valuation Allowance [Table] Other contracts Other Contract [Member] Liability for Future Policy Benefit Activity [Table] Liability for Future Policy Benefit Activity [Table] Foreign exchange contracts Foreign Exchange Contract [Member] Document Transition Report Document Transition Report Greater than 80% Debt-to-Value Ratio, 80 to 100 Percent [Member] Embedded derivative liability, measurement input Embedded Derivative Liability, Measurement Input Other invested assets Payments to Acquire Other Investments Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Entity Current Reporting Status Entity Current Reporting Status Schedule of Unrealized Loss on Investments Gain (Loss) on Securities [Table Text Block] Retained Earnings Retained Earnings [Member] Bifurcated embedded derivatives assets, fair value Embedded Derivative, Fair Value of Embedded Derivative Asset Option budget Measurement Input, Option Budget [Member] Measurement Input, Option Budget Excluding Fortitude Re Funds Withheld Assets Investments Excluding Modified Coinsurance And Funds Withheld Assets [Member] Investments Excluding Modified Coinsurance And Funds Withheld Assets [Member] Financial Instruments Owned and Pledged as Collateral [Line Items] Financial Instruments Owned and Pledged as Collateral [Line Items] Premiums Premiums Earned, Net Weighted average term increase from modification (less than) Financing Receivable, Modified, Weighted Average Term Increase from Modification Change in foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Asset Market Risk Benefit, Assets, after Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change Market Risk Benefit, Assets, after Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Available-for-sale securities Payments to Acquire Debt Securities, Available-for-Sale