Beginning balance Ending balance Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change Gross and net information about liabilities subject to master netting arrangements Offsetting Liabilities [Line Items] Hotel Hotel [Member] Issuance of long-term debt, net of issuance costs Proceeds from Issuance of Long-Term Debt and Capital Securities, Net Schedule of Available-for-Sale securities by type Debt Securities, Available-for-Sale [Table Text Block] Summary of fixed maturity securities by rating Schedule of Investments with Fixed Maturities Disclosure [Table Text Block] Disclosure provides pertinent information about fixed maturity investments, including amortized cost, fair value and percentage of fair value, grouped by credit rating. Net realized gains (losses) Realized Investment Gains (Losses) Award Timing Predetermined Award Timing Predetermined [Flag] Non-indexed accounts of fixed indexed annuities Fixed Indexed Annuity, Non-Indexed Accounts [Member] Fixed Indexed Annuity, Non-Indexed Accounts Entity File Number Entity File Number Credit derivative contracts Credit contracts Credit Risk Contract [Member] Additional Paid-In Capital Additional Paid-in Capital [Member] Cash Collateral Security Borrowed, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset Tabular List, Table Tabular List [Table Text Block] RiverSource Life Insurance Company RiverSource Life Insurance Company [Member] Represents RiverSource Life Insurance Company ("RiverSource Life"), a stock life insurance company domiciled in Minnesota and a wholly owned subsidiary of the reporting entity. Investment certificate reserves Deposits, Investment Certificate The total of all investment certificate deposits held by the entity. Future Adoption of New Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Schedule of carrying value and estimated fair value of financial instruments not reported at fair value Fair Value, by Balance Sheet Grouping [Table Text Block] Available-for-Sale securities Debt Securities [Member] Management and financial advice fees Investment Advice [Member] Income Tax Benefit (Expense) Other Comprehensive Income (Loss), Tax [Abstract] Structured variable annuity embedded derivatives Structured variable annuity embedded derivatives Structured variable annuities Structured Variable Annuity Embedded Derivatives [Member] The embedded derivative related to a contract that provides periodic payments. Policyholder account balances, future policy benefits and claims Policyholder Account Balance And Liability For Unpaid Claims And Claims Adjustment Expense [Table Text Block] Policyholder Account Balance And Liability For Unpaid Claims And Claims Adjustment Expense Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Measurement Basis [Axis] Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] 2025 Contract, Receivable, Remainder of Fiscal Year Amount receivable under contract to be collected in remainder of current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Revenue from Contracts with Customers Revenue from Contract with Customer [Text Block] Other broker dealer acquisition costs Deferred Policy Acquisition Costs, Other Broker Dealer Acquisition Costs [Member] Deferred Policy Acquisition Costs, Other Broker Dealer Acquisition Costs Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Interest accrual and time decay Market Risk Benefit, Interest Expense Due after 10 years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Amortized Cost Policyholder Account Balance [Roll Forward] Policyholder Account Balance [Roll Forward] Interest accrual Liability for Future Policy Benefit, Expected Net Premium, Interest Income Adjustment to Compensation, Amount Adjustment to Compensation Amount Percentage of total Concentration Risk, Percentage Other Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Consolidation Consolidation, Policy [Policy Text Block] Embedded derivative asset, measurement input Embedded Derivative Asset, Measurement Input Share-based compensation Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Dividends to shareholders Dividends, Common Stock, Cash Total equity Beginning balance Ending balance Equity, Attributable to Parent Debt Securities, Available-for-Sale [Table] Debt Securities, Available-for-Sale [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Common shares, authorized (in shares) Common Stock, Shares Authorized Net revenues Segment Reporting Information, Revenue for Reportable Segment [Abstract] Gross Amounts Not Offset in the Consolidated Balance Sheets Security Borrowed, Subject to Master Netting Arrangement, after Offset and Deduction [Abstract] Financial Assets Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Recurring basis Fair Value, Recurring [Member] Variable Annuities Variable Annuity [Member] Liabilities and Equity Liabilities and Equity [Abstract] State State and Local Jurisdiction [Member] Derivatives, net of collateral Derivatives Net of Collateral The change during the reporting period in freestanding derivatives, net of the change in derivatives collateral held and derivatives collateral posted with counterparties. Reinsurance deposit receivable Funds Held under Reinsurance Agreements, Asset Cover [Abstract] Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Portion at Fair Value Measurement (Needed for outline only) [Member] Portion at Fair Value Measurement [Member] Gross Amounts Not Offset in the Consolidated Balance Sheets Derivative Asset, Security Purchased under Agreement to Resell, and Security Borrowed, Subject to Master Netting Arrangement, after Offset and Deduction [Abstract] Maximum Maximum [Member] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Domain] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Domain] Effect of changes in discount rate assumptions AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax Greater than 12 months to 24 months Policyholder Account Balance, Percentage, Reset In 12 Months To 24 Months Policyholder Account Balance, Percentage, Reset In 12 Months To 24 Months Excess unpaid principal over fair value Fair Value, Option, Aggregate Differences, Long-Term Debt Instruments Share-based compensation plans (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, before Forfeiture Total Debt Securities, Available-for-Sale, Unrealized Loss Position Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Operating earnings Segment Reporting Information, Operating Income (Loss) [Abstract] Changes in unrealized (gains) losses in net income relating to liabilities held at end of period Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss) Debt Debt and stated interest rates Debt Instrument [Line Items] Borrowings of consolidated investment entities Borrowings of Consolidated Investment Entities The cash inflow from borrowings of consolidated investment entities. Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Financing Receivable, Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Table] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Other assets Other Assets [Member] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Pretax income Pretax income (loss) Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company State deferred tax assets Deferred Tax Assets, Other, State and Local [Member] Deferred Tax Assets, Other, State and Local Utilization of guaranteed withdrawals Measurement Input, Utilization Rate [Member] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Net liability for future policy benefits, after reinsurance recoverable Liability for Future Policy Benefit, after Reinsurance Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Reportable segments Operating Segments [Member] Changes in unrealized gains (losses) in other comprehensive income (loss) relating to assets held at end of period Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI Brokerage deposits Increase (Decrease) in Broker Deposits Amount of increase (decrease) in broker deposit liabilities. Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Line of Credit Facility [Table] Line of Credit Facility [Table] Deferred Policy Acquisition Cost [Line Items] Deferred Policy Acquisition Cost [Line Items] Offsetting Liabilities [Table] Offsetting Liabilities [Table] Fixed maturity securities Debt Securities Available-for-sale [Member] Total of debt securities Available-for-sale as of the balance sheet date. when it serves as a benchmark in a concentration of risk calculation. Longest period of time over which the entity hedges exposure to the variability in future cash flows Maximum Length of Time Hedged in Cash Flow Hedge Stated interest rate long-term debt (as a percent) Long-Term Debt, Percentage Bearing Fixed Interest, Percentage Rate Document Fiscal Period Focus Document Fiscal Period Focus Derivatives and Hedging Activities Derivatives, Fair Value [Line Items] Schedule of fair value and unpaid principal balance of loans and debt for which fair value option has been elected Fair Value Option, Disclosures [Table Text Block] Investment income on fixed maturities Interest Income, Debt Securities, Operating Award Timing Method Award Timing Method [Text Block] Award Type Award Type [Axis] Foreign currency translation Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Deferred acquisition costs Increase (Decrease) in Deferred Policy Acquisition Costs Interest accrual Additional Liability, Long-Duration Insurance, Interest Income (Expense) Investment, Name [Domain] Investment, Name [Domain] Trading Symbol Trading Symbol Loans sold Financing Receivable, Sale and Reclassification to Held-for-Sale Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] FICO Score, 750-799 FICO Score, 750-799 [Member] From than 750 to 799 credit score as defined by the external credit rating agency, Fair Isaac Corporation (FICO). Element name and standard label in FICO Score Greater Than [low end numeric value] [Member] or FICO Score Less Than [high end numeric value] [Member] formats. Living benefits Guaranteed Minimum Living Benefit [Member] Guaranteed Minimum Living Benefit Market risk benefits Liability position Market Risk Benefit, Liability, Amount Entity Address, City or Town Entity Address, City or Town Short-term Debt, Type [Domain] Short-Term Debt, Type [Domain] Weighted average discount rate Additional Liability, Long-Duration Insurance, Current Weighted-Average Discount Rate Securities loaned Offsetting Securities Loaned [Abstract] Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Structured Variable Annuities Structured Variable Annuity [Member] Structured Variable Annuity Effect of exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Axis] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Axis] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Operating segments excluding intersegment elimination Operating Segments Excluding Intersegment Elimination [Member] Operating Segments Excluding Intersegment Elimination Total All Insurance Products Excluding Indexed Accounts and Non-Fixed Accounts [Member] All Insurance Products Excluding Indexed Accounts and Non-Fixed Accounts Other operating assets and liabilities of consolidated investment entities, net Change in Other Operating Assets and Liabilities of Consolidated Investment Entities Changes in other assets and liabilities of consolidated investment entities classified as operating activities. FHLB advances, securities pledged as collateral Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged Entity Emerging Growth Company Entity Emerging Growth Company Policyholder Account Balance [Abstract] Policyholder Account Balance [Abstract] Cash collateral Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Effect of changes in instrument-specific credit risk on MRBs AOCI, Market Risk Benefit, Instrument-Specific Credit Risk, Parent [Member] Unfunded commitments Unfunded Loan Commitment [Member] Total gain (loss) Derivative, Gain (Loss) on Derivative, Net Restricted and segregated cash Restricted Cash and Cash Equivalent Financial instruments Security Borrowed, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Insurance [Abstract] Insurance [Abstract] Financing receivables Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] Distribution expenses Distribution Expenses Compensation paid to the Company's financial advisors, registered representatives, third-party distributors and wholesalers, net of amounts capitalized and amortized as part of DAC. Also includes marketing support and other distribution and administration related payments made to affiliated and unaffiliated distributors of products provided by the Company's affiliates and wholesaling costs. Schedule of disaggregated revenue by segment Disaggregation of Revenue [Table Text Block] Expected future benefit payments Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] FICO Score, Less than 650 FICO Score, Less than 650 [Member] Less than 650 credit score as defined by the external credit rating agency, Fair Isaac Corporation (FICO). Element name and standard label in FICO Score Greater Than [low end numeric value] [Member] or FICO Score Less Than [high end numeric value] [Member] formats. Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Risk 1 Internal Risk Rating 1 [Member] Entity defined credit risk rating 1. Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Increase (decrease) in net income from change in assumptions Market Risk Benefit, Increase (Decrease) in Net Income From Assumption Market Risk Benefit, Increase (Decrease) in Net Income From Assumption Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities Cash Flow Hedges Summary of Cash Flow Hedge Activity [Abstract] Pledged Status [Domain] Pledged Status [Domain] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Income tax provision Income Tax Expense (Benefit) Receivables, allowance for credit losses Accounts, Notes, Loans and Financing Receivable, Allowance for Credit Loss Amount of allowance for credit loss on accounts, notes, loans and financing receivables. Margin Loans Margin Loans [Member] Loans made that allow the customer to buy stocks on credit. Other assets Other Assets Foreign net operating losses Deferred Tax Assets, Operating Loss Carryforwards, Foreign [Member] Deferred Tax Assets, Operating Loss Carryforwards, Foreign Balance, beginning Balance, ending Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Interest credited to fixed accounts Policyholder Account Balance, Interest Expense Other Accumulated Net Unrealized From Other Investment Gain Loss [Member] Accumulated net unrealized from other investment gain (loss). 2028 Contract Receivable, Year Two Amount receivable under contract to be collected in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Corporate and reconciling items Corporate And Reconciling Items [Member] Corporate And Reconciling Items 80 to 100 Percent Debt-to-Value Ratio, 80 to 100 Percent [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Axis] Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Offsetting [Abstract] Offsetting [Abstract] Separate Account Asset Category [Axis] Separate Account Asset Category [Axis] Long Term Care Insurance Long Term Care Insurance Long Term Care Insurance [Member] A type of insurance designed to cover long-term care needs, services, and support, such as assistance arising from a chronic illness. Loans Fair Value, Option, Loans Held as Assets [Abstract] Issuances Market Risk Benefit, Issuance Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Current income tax, net Increase (Decrease) in Income Taxes Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Greater than 24 months Policyholder Account Balance, Percentage, Reset In Greater Than 24 Months Policyholder Account Balance, Percentage, Reset In Greater Than 24 Months All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Credit carryforwards Deferred Tax Assets, Operating Loss Carryforwards, Domestic Class of Treasury Stock [Table] Class of Treasury Stock [Table] Future policy benefits Liability for Future Policy Benefits, Assumptions [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] 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 Investments, allowance for credit losses Investments, Allowance for Credit Losses Amount of allowance for credit loss on investments. Net cash provided by (used in) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Term, less than Debt Instrument, Term Net trading (gains) losses Increase (Decrease) in Equity Securities, FV-NI Available-for-Sale securities, at fair value Fair Value Fair Value Fair Value Debt Securities, Available-for-Sale, Excluding Accrued Interest Proceeds from sales Proceeds from Sale of Debt Securities, Available-for-Sale Interest credited to fixed accounts Adjusted Policyholder Account Balance, Interest Expense Adjusted Policyholder Account Balance, Interest Expense Holdings of single issuer greater than 10% of equity Fair Value, Concentration of Risk, Investments Sales Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Fixed annuities Non Indexed Accounts of Fixed Annuities [Member] Non Indexed Accounts of Fixed Annuities Deferred Income [Roll Forward] Deferred Income [Roll Forward] Beginning balance Ending balance Deferred Sale Inducement Cost Asset Management: Model Delivery Investment Advice, Model Delivery [Member] Investment Advice, Model Delivery Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Separate Account Asset Category [Domain] Separate Account Asset Category [Domain] Gross amounts of recognized liabilities Gross fair value liabilities, freestanding derivatives Derivative Liability, Subject to Master Netting Arrangement, before Offset Amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Rolling Maturity [Abstract] Equity Components [Axis] Equity Components [Axis] Year 4 Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Deferred Income [Table] Deferred Income [Table] Loans and Leases Receivable Disclosure [Table] Loans and Leases Receivable Disclosure [Table] Balances of and changes in market risk benefits Market Risk Benefit, Activity [Table Text Block] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Financial instruments Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Surrenders and other benefits Separate Account, Liability, Surrender And Withdrawal, Net Of Benefit Payment Separate Account, Liability, Surrender And Withdrawal, Net Of Benefit Payment Number of reportable segments Number of Reportable Segments Other liabilities, measurement input Business Combination, Contingent Consideration, Liability, Measurement Input Net amount at risk Policyholder Account Balance, Net Amount at Risk IUL embedded derivatives Indexed Universal Life Embedded Derivatives [Member] Represents the embedded derivatives related to life insurance contract under which the premiums are generally flexible, the level of death benefits may be adjusted, and mortality expense and other charges may vary. Fixed Indexed Annuities Fixed Indexed Annuity [Member] Fixed Indexed Annuity Balances of and changes in separate account liabilities Separate Account, Liability [Table Text Block] Commercial mortgage loans Commercial Real Estate [Member] Benefits, claims, losses and settlement expenses Policyholder Benefits and Claims Incurred, Net Variable Interest Entities Variable Interest Entity Disclosure [Text Block] Advice & Wealth Management Advice and Wealth Management [Member] Segment of business which provides financial planning and advice, as well as full service brokerage and also offers certificate and banking products.. Entity Address, State or Province Entity Address, State or Province Financial Asset, Aging [Domain] Financial Asset, Aging [Domain] Debt Securities, Available-for-sale, Allowance for Credit Loss [Table] Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table] Fair value Loans Receivable, Fair Value Disclosure Fixed deferred indexed annuities ceded embedded derivatives Fixed deferred indexed annuities ceded embedded derivatives Fixed Deferred Indexed Annuities Ceded Embedded Derivatives [Member] The embedded derivative related to fixed deferred indexed annuity policies that have been reinsured. Pretax Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent [Abstract] Individual: Individual [Axis] Income Tax Authority [Domain] Income Tax Jurisdiction [Domain] Pacific Pacific [Member] Represents Pacific region of United States. Separate account assets Separate account assets at NAV Separate Account Asset Deferral of revenue Deferred Income, Addition FICO Score. 650 to 699 FICO Score. 650 to 699 [Member] From than 650 to 699 credit score as defined by the external credit rating agency, Fair Isaac Corporation (FICO). Element name and standard label in FICO Score Greater Than [low end numeric value] [Member] or FICO Score Less Than [high end numeric value] [Member] formats. Term and Whole Life Insurance Term and Whole Life Insurance Term And Whole Life Insurance [Member] Term And Whole Life Insurance Contract deposits Policyholder Account Balance, Issuance Without single maturity dates Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost Maximum loss exposure Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Repayments of long-term debt Repayments of Long-Term Debt Entity Interactive Data Current Entity Interactive Data Current Deferred Income [Line Items] Deferred Income [Line Items] Changes in unrealized (gains) losses in other comprehensive income (loss) relating to liabilities held at end of period OCI, Market Risk Benefit, Change in Unrealized Gains (Losses) OCI, Market Risk Benefit, Change in Unrealized Gains (Losses) Cash received from written options with deferred premiums Proceeds from Derivative Instrument, Investing Activities Gain (loss) on net investment hedges recognized in OCI Derivatives used in Net Investment Hedge, Increase (Decrease), Gross of Tax Distribution fees Distribution Service [Member] Derecognition (lapses) Liability for Future Policy Benefit, Expected Net Premium, Derecognition New England New England [Member] Represents New England region of United States. Balances of and changes in DSIC Movement in Deferred Sales Inducements [Roll Forward] Active Active Financial Advisor Borrower [Member] Financial advisor borrower that is currently affiliated with the company. Total gross fair value, derivative assets Derivative Asset, Fair Value, Gross Asset, and Embedded Derivative, Fair Value of Embedded Derivative Asset The combined amount of the gross fair value of derivative assets and the fair value of the embedded derivative or group of embedded derivatives classified as an asset. 50-99 bps above Guaranteed Minimum Policyholder Account Balance, Above Guaranteed Minimum Crediting Rate, Range From 0050 To 0099 [Member] Policyholder Account Balance, Above Guaranteed Minimum Crediting Rate, Range From 0050 To 0099 Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Deferred tax assets, loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Banking and deposit interest expense Banking and deposit interest expense Interest Expense, Deposits Fixed Annuities Fixed Annuity [Member] Nonperformance risk Measurement Input, Nonperformance Risk [Member] Measurement Input, Nonperformance Risk Effect of changes in interest rates and bond markets Market Risk Benefit, Increase (Decrease) from Interest Rate Change FICO Score, 740-779 FICO Score, 740-779 [Member] From than 740 to 779 credit score as defined by the external credit rating agency, Fair Isaac Corporation (FICO). Element name and standard label in FICO Score Greater Than [low end numeric value] [Member] or FICO Score Less Than [high end numeric value] [Member] formats. FICO Score, Greater than 800 FICO Score, Greater than 800 [Member] Greater than 800 credit score as defined by the external credit rating agency, Fair Isaac Corporation (FICO). Element name and standard label in FICO Score Greater Than [low end numeric value] [Member] or FICO Score Less Than [high end numeric value] [Member] formats. Entity Central Index Key Entity Central Index Key Capitalization of acquisition costs Deferred Policy Acquisition Cost, Capitalization Credit reversals (losses) Debt Securities, Available-for-Sale, Excluding Accrued Interest, Credit Loss Expense (Reversal) Debt Securities, Available-for-Sale, Excluding Accrued Interest, Credit Loss Expense (Reversal) PEO Name PEO Name Total revenues Revenues Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Supplemental Cash Flow Elements [Abstract] Schedule of amortized cost basis of loans and credit quality information Financing Receivable Credit Quality Indicators [Table Text Block] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Balance, beginning Balance, ending Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Non-indexed accounts of indexed universal life insurance Indexed Universal Life, Non-Indexed Accounts [Member] Indexed Universal Life, Non-Indexed Accounts Office Office Building [Member] Schedule of notional value and gross fair value of derivative instruments, including embedded derivatives Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Amounts of Assets Presented in the Consolidated Balance Sheets Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed FICO Score, 780-809 FICO Score, 780-809 [Member] From than 780 to 809 credit score as defined by the external credit rating agency, Fair Isaac Corporation (FICO). Element name and standard label in FICO Score Greater Than [low end numeric value] [Member] or FICO Score Less Than [high end numeric value] [Member] formats. Total equity Stockholders' Equity, Total [Member] Exercise Price Award Exercise Price Liabilities: embedded derivatives, net Fair Value, embedded derivatives, net Embedded Derivative, Fair Value of Embedded Derivative, Net Entity Filer Category Entity Filer Category Valuation Allowance by Deferred Tax Asset [Axis] Valuation Allowance by Deferred Tax Asset [Axis] Unitized Pooled Pension Funds Unitized Pooled Pension Funds [Member] Unitized Pooled Pension Funds Policyholder account balances, future policy benefits and claims Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense Policyholder account balances, future policy benefits and claims embedded derivatives Embedded Derivative Financial Instruments Policyholder Account Balances, Future Policy Benefits and Claims [Member] Derivative instrument embedded in host contract classified as policyholder account balances, future policy benefits and claims. Total commercial mortgage loans Commercial Mortgage Loan Receivable [Member] Total commercial mortgage loans receivable, when it serves as a benchmark in a concentration of risk calculation, representing the sum of all reported commercial mortgage loans as of the balance sheet date. Fair Value Option, Disclosures [Table] Fair Value Option, Disclosures [Table] 1-49 bps above Guaranteed Minimum Policyholder Account Balance, Above Guaranteed Minimum Crediting Rate, Range From 0001 To 0049 [Member] Policyholder Account Balance, Above Guaranteed Minimum Crediting Rate, Range From 0001 To 0049 Deposits and other additions Additions to Contract Holders Funds Balance Sheet Location [Axis] Statement of Financial Position Location, Balance [Axis] Total policyholder account balances, future policy benefits and claims Policyholder Account Balance, Liability For Future Policy Benefits And Unpaid Claims And Claims Adjustment Expense Policyholder Account Balance, Liability For Future Policy Benefits And Unpaid Claims And Claims Adjustment Expense Debt-to-Value [Domain] Debt-to-Value [Domain] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Effect of changes in discount rate assumptions on certain long-duration contracts OCI, Liability for Future Policy Benefit, Gain (Loss), after Reclassification Adjustment and Tax, Parent Accumulated Other Comprehensive Income (Loss) Total AOCI AOCI Attributable to Parent [Member] Insurance and annuity Distribution Service, Insurance and Annuity [Member] Distribution assistance to insurance and annuity products investor. Investments [Domain] Investments [Domain] Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Financing Receivables Loans and Leases Receivable Disclosure [Line Items] Derivatives and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Proceeds from sales, maturities and collections of other investments Proceeds from Sale and Maturity of Other Investments Net transfers from (to) separate accounts Policyholder and Contractholder Account Values, Net Transfer from (to) Separate Accounts The cash inflow (outflow) associated with transfers from (to) separate accounts. Below investment grade Credit Rating Below Investment Grade [Member] Below investment grade credit rating as defined by Moody's, Standard and Poor's or Fitch, or as developed internally based on criteria similar to those rating agencies. Other liabilities Other Liabilities [Member] Fair Value as of Grant Date Award Grant Date Fair Value Net realized gains and losses on Available-for-Sale securities Debt Securities, Available-for-Sale, Realized Gain (Loss) [Abstract] Year 5 Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Weighted average discount rate Liability for Future Policy Benefit, Current Weighted-Average Discount Rate Separate Account, Liability [Line Items] Separate Account, Liability [Line Items] Account values by guaranteed minimum interest rates Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Table Text Block] Effect of potentially dilutive nonqualified stock options and other share-based awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Total benefits and expenses Costs and Expenses Gross Amounts Offset in the Consolidated Balance Sheets Derivative Asset, Security Purchased under Agreement to Resell, and Security Borrowed, Subject to Master Netting Arrangement, Liability Offset Market Risk Benefit [Line Items] Market Risk Benefit [Line Items] Document Quarterly Report Document Quarterly Report Less than 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Deposit Receivables Deposit Receivables [Member] Deposit Receivables Debt Carrying value Long-Term Debt, Fair Value Significant inputs and assumptions used in the fair value measurements Summary of significant unobservable inputs used in fair value measurements of Level 3 assets and liabilities Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Financial Instrument Performance Status [Axis] Financial Instrument Performance Status [Axis] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Restricted Stock Units Repurchases Restricted Stock Units Repurchases [Member] Restricted Stock Units Repurchases Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] New Accounting Pronouncements and Changes in Accounting Principles [Abstract] Accounting Standards Update and Change in Accounting Principle [Abstract] Investment Type [Axis] Investment Type [Axis] 2026 Contractual Obligation, to be Paid, Remainder of Fiscal Year Investments Total Investments Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Total Policyholder Account Balance, Percentage Policyholder Account Balance, Percentage Deferred Sale Inducement Cost [Line Items] Deferred Sale Inducement Cost [Line Items] Amortized cost basis by year of origination and loan-to-value ratio Concentrations of credit risk by property type Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss [Abstract] Additional increases (decreases) on securities that had an allowance recorded in a previous period Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Not to Sell before Recovery, Credit Loss, Previously Recorded, Expense (Reversal) Fair value of investment securities received as collateral Derivative Asset, Fair Value of Collateral Repayments of debt by consolidated investment entities Repayments of Debt of Consolidated Investment Entities The cash outflow to pay off borrowings of consolidated investment entities. Nonperformance risk Measurement Input, Counterparty Credit Risk [Member] Non-PEO NEO Non-PEO NEO [Member] Outstanding letters of credit issued against line of credit facility Letters of Credit Outstanding, Amount Short-term borrowings Advance from Federal Home Loan Bank Amounts related to each component of OCI Changes in balances of each component of AOCI, net of tax Accumulated Other Comprehensive Income (Loss) [Line Items] Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Schedule of gross and net information about assets subject to master netting arrangements Offsetting Assets [Table Text Block] All Award Types Award Type [Domain] Liabilities: embedded derivatives Gross fair value liabilities, embedded derivatives Embedded Derivative, Fair Value of Embedded Derivative Liability Cash surrender value Separate Account, Liability, Cash Surrender Value, Amount Total net revenues Total net revenues Revenues, Net of Interest Expense Equity Awards Adjustments Equity Awards Adjustments [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Revenue disaggregated by segment Disaggregation of Revenue [Line Items] Other revenues Other Income Compensation Amount Outstanding Recovery Compensation Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] FICO Score, 700-749 FICO Score, 700-749 [Member] From than 700 to 749 credit score as defined by the external credit rating agency, Fair Isaac Corporation (FICO). Element name and standard label in FICO Score Greater Than [low end numeric value] [Member] or FICO Score Less Than [high end numeric value] [Member] formats. Foreign exchange derivative contracts Foreign exchange contracts Foreign exchange contracts Foreign Exchange Contract [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Fair Value Estimate of Fair Value Measurement [Member] Offsetting Assets [Table] Offsetting Assets [Table] Adjusted beginning of year balance Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Amounts of Assets Presented in the Consolidated Balance Sheets Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral Fair value and unpaid principal balance of assets and liabilities carried at fair value under the fair value option Fair Value, Option, Quantitative Disclosures [Line Items] Weighted average attained age of contractholders Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age Cash Collateral Security Loaned, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] 40 to 60 Percent Debt-to-Value, 40 to 60 Percent [Member] Debt-to-value (DTV) ratio from 40 to 60%. Loans purchased Financing Receivable, Purchase Revenues Revenues [Abstract] Guaranteed Insurance Contract, Type of Benefit [Axis] Guaranteed Insurance Contract, Type of Benefit [Axis] Balances of and changes in liability for future policy benefits, and Revenue and interest recognized Liability for Future Policy Benefit, Activity [Table Text Block] Financial instruments Derivative Liability, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset 12 months or more Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions Accumulated other comprehensive income (loss), net of tax Accumulated Other Comprehensive Income (Loss), Net of Tax Financial Instruments [Domain] Financial Instruments [Domain] Purchases Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Summary of Net investment income Net Investment Income [Line Items] CLOs Collateralized Loan Obligation Entity [Member] Represents information pertaining to one or a group of asset backed financing entities collateralized by a pool of assets, primarily syndicated loans and, to a lesser extent, high-yield bonds ("CLO's"). Debt and other liabilities Debt and Other Liabilities The total of current and noncurrent debt and other liabilities not individually reported in the financial statement disclosure. Securities borrowed Offsetting Securities Borrowed [Abstract] Net Amount Derivative Asset, Subject to Master Netting Arrangement, after Offset and Deduction Minimum Minimum [Member] Accrued interest on loans Financing Receivable, Accrued Interest, before Allowance for Credit Loss Federal Reserve borrowings Federal Reserve Bank Advances [Member] Adjusted beginning of year balance Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change Financing Receivables Accounts, Notes, Loans and Financing Receivable [Line Items] Investments [Table] Investments [Table] Investments Company Selected Measure Name Company Selected Measure Name Fair Value, Disclosure Item Amounts [Domain] Fair Value Measurement [Domain] FICO Score 720 to 739 FICO Score 720 to 739 [Member] From than 720 to 739 credit score as defined by the external credit rating agency, Fair Isaac Corporation (FICO). Element name and standard label in FICO Score Greater Than [low end numeric value] [Member] or FICO Score Less Than [high end numeric value] [Member] formats. Debt Debt Disclosure [Text Block] Net realized investment (gains) losses Gain (Loss) on Sale of Investments Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Market impact on non-traditional long-duration products Market Impact On Non Traditional Long Duration Products [Member] Market Impact On Non Traditional Long Duration Products Effect of actual variances from expected experience Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience Net (gains) losses of consolidated investment entities Consolidated Investment Entities Unrealized Realized Gain (Loss) on Assets and Liabilities Represents the unrealized and realized gain/loss on assets and liabilities of the consolidated investment entities. Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Net income, diluted Net Income (Loss) Available to Common Stockholders, Diluted Effect of changes in discount rate assumptions on certain long-duration contracts AOCI, Liability for Future Policy Benefit, Parent [Member] Stockholders' Equity Note [Abstract] Stockholders' Equity Note [Abstract] Debt securities Separate Account, Debt Security [Member] Obligation to provide financial or other support to VIEs Variable Interest Entity, Financial or Other Support, Amount Contingencies Commitments and Contingencies Disclosure [Text Block] Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward] Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward] Diluted: weighted-average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Other Investment Income, Other Investment And Receivables, Net Net amount, after discount, accretion, premium amortization and other items, of interest income and dividend income classified as other. Securities collateral Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Security Not Offset Gross Amounts Not Offset in the Consolidated Balance Sheets Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Subject to Master Netting Arrangement, after Offset and Deduction [Abstract] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Derivative [Table] Derivative [Table] Liability for Future Policy Benefit, Activity [Line Items] Liability for Future Policy Benefit, Activity [Line Items] Credit Risk Derivative, Credit Risk Related Contingent Features [Abstract] Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Increase (decrease) in interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Deferred Sale Inducement Cost [Table] Deferred Sale Inducement Cost [Table] Document Transition Report Document Transition Report Underlying Securities Award Underlying Securities Amount Gross realized investment gains Debt Securities, Available-for-Sale, Realized Gain Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date Effect of changes in cash flow assumptions Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change Income Taxes Income Tax Disclosure [Text Block] Interest accrual Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense Total Contractual Obligation Investment balance Investments in Affiliates, Subsidiaries, Associates, and Joint Ventures, Fair Value Disclosure Premiums and deposits Separate Account, Liability, Premium and Deposit Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Aggregate fair value of derivative contracts in net liability position containing credit contingent provisions Derivative, Net Liability Position, Aggregate Fair Value Gross Amounts Offset in the 
Consolidated Balance Sheets Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Subject to Master Netting Arrangement, Asset Offset 3% - 3.99% Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0300 to 0399 [Member] General and administrative expense Adjusted General and Administrative Expense Adjusted General and Administrative Expense Greater than 100 Percent Debt-to-Value Ratio, Greater than 100 Percent [Member] Debt-to-value (DTV) ratio greater than 100%. Cash collateral Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset Mortgage loans (allowance for credit losses: 2026, $14; 2025, $14) Mortgage loans, net Mortgage Loans on Real Estate, Commercial and Consumer, Net Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] Earnings per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Policy loans Loans, Gross, Insurance Policy Product and Service [Axis] Product and Service [Axis] Revenue from contracts with customers Revenue from Contract with Customer, Excluding Assessed Tax Mortality rate Measurement Input, Mortality Rate [Member] FICO Score Less Than 699 FICO Score Less Than 699 [Member] Less than 699 credit score as defined by the external credit rating agency, Fair Isaac Corporation (FICO). Element name and standard label in FICO Score Greater Than [low end numeric value] [Member] or FICO Score Less Than [high end numeric value] [Member] formats. Allowance for credit losses on Available-for-Sale securities Debt Securities, Available-for-Sale, Allowance for Credit Loss [Line Items] Investment Income [Table] Investment Income [Table] Statistical Measurement [Axis] Statistical Measurement [Axis] Interest credited Policyholder Account Balance, Interest Credited Policyholder Account Balance, Interest Credited Segment Reconciling Items [Axis] Segment Reconciling Items [Axis] Segment Reconciling Items Stock repurchase program, authorized amount Share Repurchase Program, Authorized, Amount Credit Score, FICO [Domain] Credit Score, FICO [Domain] Effect of changes in cash flow assumptions Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change Significant unobservable inputs used in fair value measurements Fair Value Measurement Inputs and Valuation Techniques [Line Items] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash and cash equivalents Separate Account, Cash and Cash Equivalents [Member] Reserve release for benefit payments and derecognition Market Risk Benefit, Benefit Payment Gross Amounts Not Offset in the Consolidated Balance Sheets Derivative Asset, Subject to Master Netting Arrangement, after Offset and Deduction [Abstract] Debt-to-Value [Axis] Debt-to-Value [Axis] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] 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 Net income, basic Net Income (Loss) Available to Common Stockholders, Basic Share Repurchase Program [Domain] Share Repurchase Program [Domain] Total other comprehensive income (loss), net of tax Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Percentage of receivables past due Financing Receivable, Percent Past Due Other liabilities Other liabilities, fair value Other Liabilities, Fair Value Disclosure Summary of impact of derivatives not designated as hedging instruments, including embedded derivatives Derivative Instruments, Gain (Loss) [Table Text Block] Beginning balance Ending balance Additional Liability, Long-Duration Insurance, before Reinsurance, after Discount Rate Change Loans Securities Held as Collateral, at Fair Value Line of credit borrowings outstanding Long-Term Line of Credit Level 1 Fair Value, Inputs, Level 1 [Member] Diluted (in dollars per share) Earnings Per Share, Diluted Embedded derivative liability, measurement input Embedded Derivative Liability, Measurement Input Schedule of net realized gains and losses on Available-for-Sale securities Schedule of Realized Gain (Loss) [Table Text Block] AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Policyholder Account Balance [Table] Policyholder Account Balance [Table] Treasury shares (in shares) Treasury Stock, Common, Shares Consolidation Items [Domain] Consolidation Items [Domain] Derivative Liability, Statement of Financial Position [Extensible Enumeration] Derivative Liability, Statement of Financial Position [Extensible Enumeration] Fair value and gross unrealized losses on Available-for-Sale securities Debt Securities, Available-for-Sale, Unrealized Loss Position [Line Items] VIEs, not primary beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] Gross Amounts Not Offset in the Consolidated Balance Sheets Security Loaned, Subject to Master Netting Arrangement, after Offset and Deduction [Abstract] Gross Amounts Offset in the Consolidated Balance Sheets Security Borrowed, Subject to Master Netting Arrangement, Liability Offset Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Issuances Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance Expected future gross premiums Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance Financial instruments Derivative Asset, Security Purchased under Agreement to Resell, and Security Borrowed, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset OTC Over-the-Counter [Member] Less than 40 Percent Debt-to-Value, Less than 40 Percent [Member] Debt-to-value (DTV) ratio less than 40%. Change in fair value of market risk benefits Market Risk Benefit, Change in Fair Value, Gain (Loss) Total, All Products Total Insurance And Annuities, Deferred Policy Acquisition Cost [Member] Total Insurance And Annuities, Deferred Policy Acquisition Cost Commercial Loans Commercial Real Estate and Commercial Portfolio Segment [Member] Represents information in the aggregate pertaining to portfolio segment of the company's total financing receivables related to commercial real estate and commercial receivables. FHLB advances, Stated interest rate (as a percent) Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Interest Rate at Period End Gross amounts of recognized liabilities Security Loaned, Subject to Master Netting Arrangement, before Offset Unpaid principal balance Long-term debt Long-Term Debt, Gross Distribution Expenses Distribution Expenses [Member] The allocation (or location) of expense to (in) distribution expenses. Due after five years through 10 years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Fair Value Financial instruments Security Loaned, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Loans Total Recorded investment Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Current borrowing capacity for line of credit facility Line of Credit Facility, Current Borrowing Capacity Eliminations and reconciling items Eliminations And Reconciling Items [Member] Eliminations And Reconciling Items Intersegment eliminations Elimination of segment revenues Intersegment Eliminations [Member] Summary of fair value and gross unrealized losses on Available-for-Sale securities in continuous unrealized loss position Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Expiration Date Trading Arrangement Expiration Date Net Amount Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Including Not Subject to Master Netting Arrangement, after Offset and Deduction Foreign government bonds and obligations Foreign government bonds and obligations Debt Security, Government, Non-US [Member] Net unrealized gains (losses) on securities Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Numerator: Net Income (Loss) Attributable to Parent [Abstract] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Total Offsetting Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned [Abstract] Entity Current Reporting Status Entity Current Reporting Status Receivables [Abstract] Receivables [Abstract] Derivative [Line Items] Derivative [Line Items] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Consolidated Entities [Domain] Consolidated Entities [Domain] Transaction [Domain] Transaction [Domain] Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] 12 months or more Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Current Fiscal Year End Date Current Fiscal Year End Date Less than 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Customer deposits Deposits Other liabilities: derivative contracts Derivative Liability Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Interest rate derivative contracts Interest rate contracts Interest Rate Contract [Member] Actual policyholder behavior different from expected behavior Market Risk Benefit, Increase (Decrease) from Future Expected Policyholder Behavior Assumption Middle Atlantic Middle Atlantic [Member] Represents Middle Atlantic region of United States. Total Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Other investments and assets Other Investments and Other Assets The value of other investments and other assets not individually reported in the financial statement disclosure. Schedule of balances of assets and liabilities measured at fair value on a recurring basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Gross unrecognized tax benefits Unrecognized Tax Benefits Options excluded from earnings per share calculation due to their anti-dilutive effect (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Changes in Level 3 liabilities measured at fair value on a recurring basis Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Senior notes due 2026 Senior Notes 2026 [Member] Notes payable to others with a claim on the assets of the issuer which takes priority over other note holders, due in 2026. Cash paid for written options with deferred premiums Payments for Derivative Instrument, Investing Activities Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Other Other Property [Member] Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Measure: Measure [Axis] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Adjustment due to reserve flooring Liability for Future Policy Benefit, Adjustment Due To Reserve Flooring Liability for Future Policy Benefit, Adjustment Due To Reserve Flooring Cash surrender value Policyholder Account Balance, Cash Surrender Value Banking and Deposit Interest Expense Banking and Deposit, Interest Expense [Member] The allocation (or location) of expense to (in) banking and deposit interest expense. Remaining balance under stock repurchase program Share Repurchase Program, Remaining Authorized, Amount Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Additional Liability, Long-Duration Insurance, Activity [Table] Additional Liability, Long-Duration Insurance, Activity [Table] Proceeds from sales, maturities and repayments of investments by consolidated investment entities Proceeds from Sales and Maturities of Investments by Consolidated Investment Entities The cash inflow from the sales and maturities of investments by the consolidated investment entities. Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Due after 10 years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Entity Tax Identification Number Entity Tax Identification Number Discounted cash flow Valuation Technique, Discounted Cash Flow [Member] Term and Whole Life Insurance Term Life And Whole Life Insurance [Member] Term Life And Whole Life Insurance Without single maturity dates Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Fair Value 2029 Contractual Obligation, to be Paid, Year Three AA Credit Rating AA [Member] AA credit rating as defined by Moody's, Standard and Poor's or Fitch, or as developed internally based on criteria similar to those rating agencies. Securities Collateral Security Borrowed, Subject to Master Netting Arrangement, Collateral, Obligation to Return Security Not Offset 60 to 80 Percent Debt-to-Value, 60 to 80 Percent [Member] Debt-to-value (DTV) ratio from 60 to 80%. Common shares, issued (in shares) Common Stock, Shares, Issued Senior notes due 2028 Senior Notes 2028 [Member] Notes payable to others with a claim on the assets of the issuer which takes priority over other note holders, due in 2028. Commercial mortgage backed securities Commercial Mortgage-Backed Securities [Member] Total expenses Adjusted Cost And Expenses Adjusted Cost And Expenses Annual short-term default rate Measurement input, Probability of default, Short-term [Member] Percentage of likelihood a loan will not be repaid and instead default over the short-term, used as an input to measure fair value Less: reinsurance recoverable Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance Receivables Receivables [Member] Primary financial statement caption encompassing receivables. Assets pledged to meet contractual obligations, which may be sold, pledged or rehypothecated by the counterparty Asset Pledged as Collateral with Right [Member] Reductions for securities sold during the period (realized) Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Sold Trading Arrangement: Trading Arrangement [Axis] Total gross fair value, derivative liabilities Derivative Liability, Fair Value, Gross Liability, and Embedded Derivative, Fair Value of Embedded Derivative, Net The combined amount of the gross fair value of derivative liabilities and the fair value of the embedded derivative or group of embedded derivatives classified as assets, net of those classified as liabilities. Total Shareholder Return Amount Total Shareholder Return Amount Total (gains) losses included in net income Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Real Estate, Type of Property [Axis] Real Estate, Type of Property [Axis] Excess unpaid principal over fair value Fair Value, Option, Aggregate Differences, Loans and Long-Term Receivables Non-operating Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Security Exchange Name Security Exchange Name Premiums Receivable Contract Payments Receivable [Abstract] No definition available. 2028 Contractual Obligation, to be Paid, Year Two 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 Retail Retail Site [Member] Financing Receivables Financing Receivables [Text Block] Maximum borrowing capacity for line of credit facility Line of Credit Facility, Maximum Borrowing Capacity Other U.S. States Other, States of the United States Excluding Minnesota [Member] Represents states of the United States excluding Minnesota Cash paid for deposit receivables Payments for Other Deposits Benefits and expenses Expenses: Operating Expenses [Abstract] Gross Amounts of Recognized Assets Security Borrowed, Subject to Master Netting Arrangement, before Offset Asset Class [Domain] Asset Class [Domain] Interest Credited to Fixed Accounts Interest Credited to Fixed Accounts [Member] The allocation (or location) of expense to (in) interest credited to fixed accounts. Reconciliation of the gross balances in an asset or liability position: Market Risk Benefit, after Increase (Decrease) from Instrument-Specific Credit Risk [Abstract] Effect of changes in discount rate assumptions AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax Total gains (losses) included in net income Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Cash Collateral Derivative Asset, Security Purchased under Agreement to Resell, and Security Borrowed, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset Policyholder account balances Policyholder Account Balances 1 [Abstract] Policyholder Account Balances 1 Statement Supplemental Cash Flow Disclosures [Line Items] Statement [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Common Shares Common Stock [Member] Issues Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances Summary of investments Investments [Line Items] Investments Unpaid principal balance Loan, Held-in-Portfolio, Principal Outstanding Net increase (decrease) in cash and cash equivalents, including amounts restricted Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Constant prepayment rate Measurement Input, Prepayment Rate [Member] Beginning balance Ending balance Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change Statistical Measurement [Domain] Statistical Measurement [Domain] Net Amount Security Loaned, Subject to Master Netting Arrangement, after Offset and Deduction Amortized Cost Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss Surrenders and other benefits Policyholder Account Balance, Surrender And Withdrawal, Net Of Benefit Payment Policyholder Account Balance, Surrender And Withdrawal, Net Of Benefit Payment 1% - 1.99% Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0100 To 0199 [Member] Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 0100 To 0199 Benefit payments Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment Weighted average interest rate Long-Term Debt, Weighted Average Interest Rate, at Point in Time Real Estate, Property Type [Domain] Real Estate [Domain] Greater than 150 bps above Guaranteed Minimum Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater [Member] Asset Class [Axis] Asset Class [Axis] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Total gains (losses) included in other comprehensive income (loss) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Universal life insurance Non Indexed Accounts of Universal Life [Member] Non Indexed Accounts of Universal Life Cumulative increase (decrease) in embedded derivatives of adjustment for nonperformance risk Cumulative Increase (Decrease) in Embedded Derivatives Due to Nonperformance Cumulative Increase (Decrease) in Embedded Derivatives Due to Nonperformance Loss from equity method investments Income (Loss) from Equity Method Investments Amounts of liabilities presented in the consolidated balance sheets Securities Loaned Pledged Status [Axis] Pledged Status [Axis] Available-for-sale securities with gross unrealized losses considered investment grade (as a percent) Debt Securities, Available-for-sale, Unrealized Loss Position, Investment Grade Percentage Percentage of investment in Available-for-sale debt securities in an unrealized loss position considered investment grade. Policyholder account balances, future policy benefits and claims Policyholder Account Balances, Future Policy Benefits and Claims and Embedded Derivative, Fair Value of Embedded Derivative, Net The aggregate amount of policy reserves (provided for future obligations including unpaid claims and claims adjustment expenses) and policy benefits (liability for future policy benefits) as of the balance sheet date; grouped amount of all the liabilities associated with the company's insurance policies. Also includes the liability as of the balance sheet date for the policyholders funds held that are returnable under the terms of insurance contracts and the net fair value of the embedded derivatives classified as assets, net of those classified as liabilities. Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (in dollars per share) Earnings Per Share, Basic Receivables Receivables, Fair Value Disclosure Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Liabilities Liabilities, Fair Value Disclosure [Abstract] Aggregate fair value of additional assets required to be posted or needed to settle Additional Collateral, Aggregate Fair Value Advisory fees Investment Advice, Advisory [Member] Investment recommendation and research provided to customer on an advisory basis. Discount rate Measurement Input, Discount Rate [Member] Summary of selected financial information by segment and reconciliation to consolidated Schedule of Segment Reporting Information, by Segment [Table Text Block] Short-term borrowings Short-Term Debt Weighted average duration of liability (in years) Liability for Future Policy Benefit, Weighted-Average Duration Aggregate fair value of separate account assets, by major asset category Fair Value, Separate Account Investment [Table Text Block] Banking and brokerage deposits Deposits, Fair Value Disclosure Measurement Input Type [Domain] Measurement Input Type [Domain] Investment contracts Investment Contracts [Member] Policyholder Account Balance [Line Items] Policyholder Account Balance [Line Items] Changes in unrealized gains (losses) included in net income relating to assets held at end of period Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) Transaction and other fees Investment Advice, Transaction and Other [Member] Transaction and other services related to providing investment recommendation and research to customer. Policy charges Policyholder Account Balance, Policy Charge Charge-offs Loan write-offs Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff GNMA, FNMA and FHLMC mortgage backed securities. US Government Corporations and Agencies Securities [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Mutual funds Separate Account, Mutual Funds [Member] Separate Account, Mutual Funds Consolidated investment entities Variable Interest Entity, Primary Beneficiary [Member] Trading and other securities Debt Securities, Trading, and Equity Securities, FV-NI Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts and Financing Receivables [Table] Gross Amounts Not Offset in the Consolidated Balance Sheets Derivative Liability, Subject to Master Netting Arrangement, after Offset and Deduction [Abstract] Share-based compensation plans Shares Issued, Value, Share-Based Payment Arrangement, before Forfeiture Arising during the period OCI before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent Impact of derivatives not designated as hedging instruments Derivative Instruments, Gain (Loss) [Line Items] Rollforward of allowance for credit losses on Available-for-Sale securities Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table Text Block] Summary of assets by segment Segment Reporting, Asset Reconciling Item [Line Items] Hedging Designation [Domain] Hedging Designation [Domain] Mixed use Mixed Use [Member] Represents the properties which are used for multiple purposes. Total liabilities and equity Liabilities and Equity Defined benefit plans Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Deferred acquisition costs Beginning balance Ending balance Deferred Policy Acquisition Cost Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Policyholder account balance above guaranteed minimum crediting rate Policyholder Account Balance, above Guaranteed Minimum Crediting Rate Reclassification to net income Amounts reclassified from AOCI Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Financial planning fees Investment Advice, Financial Planning [Member] Investment recommendation and research provided to customer for financial planning. Derivatives: Offsetting Derivative Assets [Abstract] Related premium tax asset Loss Contingency Accrual, Insurance-related Assessment, Premium Tax Offset General and administrative expense General and Administrative Expense [Member] Equity: Stockholders' Equity, Number of Shares, Par Value and Other Disclosure [Abstract] Securities Collateral Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Security Not Offset Effect of changes in the instrument-specific credit risk on market risk benefits OCI, Market Risk Benefit, Instrument-Specific Credit Risk, Gain (Loss), before Adjustments and Tax Concentration Risk Type [Domain] Concentration Risk Type [Domain] Separate Account Assets and Liabilities Separate Account [Text Block] Purchase of other investments Payments to Acquire Other Investments Securities Collateral Derivative Asset, Security Purchased under Agreement to Resell, and Security Borrowed, Subject to Master Netting Arrangement, Collateral, Obligation to Return Security Not Offset Treasury
Shares Treasury Stock, Common [Member] Year 1 Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Schedule of balances of and changes in DSIC Deferred Sale Inducement Cost [Table Text Block] Pay vs Performance Disclosure [Line Items] Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Liabilities: Liabilities [Abstract] Risk 4 Internal Risk Rating 4 [Member] Entity defined credit risk rating 4. Total liabilities at fair value Financial Liabilities Fair Value Disclosure Segment Reconciling Items [Domain] Segment Reconciling Items [Domain] Segment Reconciling Items [Domain] Payable related to accrued interest and penalties Income Tax Examination, Penalties and Interest Accrued Summary of changes in Level 3 assets measured at fair value on a recurring basis Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Summary of investments Investment [Table Text Block] 2% - 2.99% Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0200 to 0299 [Member] Total Contract Payments Receivable Total amount receivable under contract to be collected. Schedule of Variable Interest Entities [Table] Variable Interest Entity [Table] Year 3 Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Liability for Future Policy Benefit, Expected Net Premium [Roll Forward] Liability for Future Policy Benefit, Expected Net Premium [Roll Forward] Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Measurement Input Type [Axis] Measurement Input Type [Axis] Name Measure Name Changes in unearned revenue Deferred Income [Table Text Block] Option Repurchases Option Repurchases [Member] Option Repurchases Total other comprehensive income (loss) Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Summary of changes in Level 3 liabilities measured at fair value on a recurring basis Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Change in banking deposits, net Increase (Decrease) in Deposits Maturities, sinking fund payments and calls Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Securities collateral Security Loaned, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Security Not Offset Ameriprise Bank, FSB Ameriprise Bank, FSB [Member] Represents Ameriprise Bank, FSB ("Ameriprise Bank"), a wholly owned subsidiary of the reporting entity. Composite (greater of) Guaranteed Minimum Composite Benefit [Member] Guaranteed Minimum Composite Benefit Schedule of amounts related to each component of OCI Comprehensive Income (Loss) [Table Text Block] Long-term debt Long-Term Debt Legal Entity [Axis] Legal Entity [Axis] Total assets Total assets Assets Net investment income Net Investment Income and Gain (Loss) on Investments Amount, after investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Includes realized and unrealized gain (loss) on investments. Financing receivables - credit quality information Financing Receivable, Credit Quality Indicator [Line Items] Geographical [Domain] Geographical [Domain] Rollforward of allowance for credit losses Financing Receivable, Allowance for Credit Loss [Roll Forward] External Credit Rating by Grouping [Domain] External Credit Rating by Grouping [Domain] Cash Flows from Operating Activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Interest and debt expense Interest Expense, Borrowings Assets Assets, Fair Value Disclosure [Abstract] 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 Life Contingent Payout Annuities Life Contingent Payout Annuities Life Contingent Payout Annuity [Member] Life Contingent Payout Annuity FICO Score 700 to 719 FICO Score 700 to 719 [Member] From than 700 to 719 credit score as defined by the external credit rating agency, Fair Isaac Corporation (FICO). Element name and standard label in FICO Score Greater Than [low end numeric value] [Member] or FICO Score Less Than [high end numeric value] [Member] formats. Variable interest entities Variable Interest Entity [Line Items] Financial instruments Derivative Asset, Subject to Master Netting Arrangement, Deduction of Financial Instrument Not Offset Credit Score, FICO [Axis] Credit Score, FICO [Axis] Other investments Other investments (allowance for credit losses: 2026, $7; 2025, $7) Other Investments Loans to financial advisors Loans to Financial Advisors [Member] Represents loans to financial advisors primarily for recruiting, transitional cost assistance and retention purposes. Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Reserve increase from attributed fees collected Market Risk Benefit, Attributed Fee Collected Capitalized contract costs Capitalized Contract Cost, Net Leased assets obtained in exchange for operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Investments Debt Securities, Available-for-Sale [Line Items] Asset Management: Institutional Investment Advice, Institutional [Member] Investment recommendation and research provided to institutional customer. Other products Distribution Service, Other Products [Member] Distribution assistance related to other products. Level 2 Fair Value, Inputs, Level 2 [Member] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Options Derivative Contract, Options [Member] Represents information in the aggregate pertaining to option derivative contracts. Assets pledged to meet contractual obligations Asset Pledged as Collateral [Member] Residential mortgage loans Residential Mortgage [Member] PEO PEO [Member] Transfers into Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Schedule of Available-for-Sale securities by contractual maturity Investments Classified by Contractual Maturity Date [Table Text Block] Type of Borrower [Axis] Type of Borrower [Axis] Terminated Terminated Financial Advisor Borrower [Member] Financial advisor borrower that is no longer affiliated with the company. Due within one year Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value Corporate & Other Corporate Segment and Other Operating Segment [Member] Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Deteriorated credit quality Financial Asset Acquired with Credit Deterioration [Member] Annual long-term default rate Measurement input, Probability of default, Long-term [Member] Percentage of likelihood a loan will not be repaid and instead default over the long-term, used as an input to measure fair value Retained Earnings Retained Earnings [Member] Income Tax Authority [Axis] Income Tax Jurisdiction [Axis] Net Investment Income Net Investment Income [Member] Primary financial statement caption in which reported facts about net investment income have been included. Cash and cash equivalents, including amounts restricted, at beginning of period Cash and cash equivalents, including amounts restricted, at end of period Total cash and cash equivalents, including amounts restricted per consolidated statements of cash flows Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Other assets: derivative contracts Derivative Asset Separate Account, Liability [Table] Separate Account, Liability [Table] Weighted average interest accretion rate Additional Liability, Long-Duration Insurance, Weighted-Average Interest Accretion Rate 12 months or more Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Arising during the period OCI, before Reclassifications, before Tax, Attributable to Parent Nonrecurring basis Fair Value, Nonrecurring [Member] Investments Investments, Fair Value Disclosure Product and Service [Domain] Product and Service [Domain] Percentage of total account values that reset in: Policyholder Account Balance, Percentage, Reset [Abstract] Policyholder Account Balance, Percentage, Reset Available-for-Sale securities: Fair Value Debt Securities, Available-for-Sale [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Total liabilities at fair value Liabilities, Fair Value Disclosure Notional Derivative, Notional Amount Other insurance and annuity liabilities Liability For Future Policy Benefit, Before Reinsurance, Other Insurance And Annuity Liabilities Liability For Future Policy Benefit, Before Reinsurance, Other Insurance And Annuity Liabilities Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Cash received for deposit receivables Proceeds from Other Deposits Changes in unrealized (gains) losses in net income relating to liabilities held at end of period Market Risk Benefit, Change in Unrealized Gains (Losses) Market Risk Benefit, Change in Unrealized Gains (Losses) Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Domain] Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Domain] Lines of credit balance Financing Receivable, Excluding Accrued Interest, Revolving Surrender rate Measurement Input, Surrender Rate [Member] Represents the expected rate of surrender on policies, used as an input to measure fair value. City Area Code City Area Code Rollforward of allowance for credit losses Financing Receivable, Allowance for Credit Loss [Table Text Block] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Investments Investment [Text Block] Mortgage loans Mortgages [Member] Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Pledged Asset Lines of Credit Pledged Asset Lines of Credit [Member] Represents information pertaining to pledge asset lines of credit. Additional Liability, Long-Duration Insurance [Roll Forward] Additional Liability, Long-Duration Insurance [Roll Forward] Cash Flows from Investing Activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] General and administrative expense General and Administrative Expense Gross Amounts of Recognized Assets Derivative Asset, Security Purchased under Agreement to Resell, and Security Borrowed, Subject to Master Netting Arrangement, before Offset Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Weighted average duration of reserves (in years) Additional Liability, Long-Duration Insurance, Weighted-Average Duration Mountain Mountain [Member] Represents Mountain region of United States. Guaranteed Insurance Contract, Type of Benefit [Domain] Guaranteed Insurance Contract, Type of Benefit [Domain] Property Funds, Non-U.S. Series Funds, Hedge Funds and other Private Funds, and Affordable Housing Partnerships and Other Real Estate Partnerships Property Funds, Non-U.S. Series Funds, Hedge Funds and other Private Funds, and Affordable Housing Partnerships and Other Real Estate Partnerships [Member] Property Funds, Non-U.S. Series Funds, Hedge Funds and other Private Funds, and Affordable Housing Partnerships and Other Real Estate Partnerships Other liabilities Other Liabilities Equity derivative contracts Equity contracts Equity Contract [Member] A Credit Rating A [Member] A credit rating as defined by Moody's, Standard and Poor's or Fitch, or as developed internally based on criteria similar to those rating agencies. Derecognition (lapses) Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition Cash paid for purchased options with deferred premiums Payments for Derivative Instrument, Financing Activities American Enterprise Investment Services, Incorporated American Enterprise Investment Services, Incorporated [Member] Represents American Enterprise Investment Services, Inc. (“AEIS”), a broker-dealer company subject to the Uniform Net Capital Rule (Rule 15c3-1) under the Securities Exchange Act of 1934 and a wholly-owned subsidiary of the reporting company. Non-US Non-US [Member] Transfers out of Level 3 Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Policyholder account balances, future policy benefits and claims, and market risk benefits, net Increase (Decrease) in Insurance Liabilities Market risk benefits, measurement input Market Risk Benefit, Measurement Input Total having single maturity dates Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value Affordable Housing Partnerships Affordable Housing And Other Real Estate Limited Partnership Interests [Member] Represents information pertaining to limited ownership interests in affordable housing partnerships and partnerships that invest in properties with an affordable housing component. Other Separate Account, Other [Member] Separate Account, Other Supplemental Disclosures: Supplemental Cash Flow Information [Abstract] Other Performance Measure, Amount Other Performance Measure, Amount 2031 Contractual Obligation, to be Paid, after Year Four Amount of contractual obligation to be paid afterfourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). U.S. government and agency obligations US Treasury and Government [Member] Proceeds from sales, maturities and repayments of mortgage loans Proceeds from Sale and Collection of Mortgage Notes Receivable Separate Account, Liability [Roll Forward] Separate Account, Liability [Roll Forward] Policyholder Account Balances, Future Policy Benefits and Claims Market Risk Benefits Long-Duration Insurance Contracts Disclosure [Text Block] Deferred Tax Asset [Domain] Deferred Tax Asset [Domain] Benefit payments Additional Liability, Long-Duration Insurance, Benefit Payment Credit concentration risk Credit Concentration Risk [Member] Deferred Acquisition Costs and Deferred Sales Inducement Costs Insurance Contract, Acquisition Cost [Text Block] Derivative Instrument [Axis] Derivative Instrument [Axis] Effect of changes in future expected assumptions Market Risk Benefit, Increase (Decrease) from Other Assumption Earnings per share: Earnings Per Share Reconciliation [Abstract] Financial Liabilities Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Additional paid-in capital Additional Paid in Capital, Common Stock Investments [Abstract] Credit Loss Status [Axis] Credit Loss Status [Axis] Entity [Domain] Entity [Domain] Net cash provided by (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Interest paid excluding consolidated investment entities Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Basis of Accounting Basis of Accounting, Policy [Policy Text Block] Maturities, withdrawals and cash surrenders Investment Certificates and Banking Time Deposits Maturities Withdrawals and Cash Surrenders The gross cash outflow associated with maturities, withdrawals and cash surrenders for investment certificates and certificates of deposit. Effective tax rate on income from continuing operations (as a percent) Effective Income Tax Rate Reconciliation, Percent Schedule of balances of and changes in DAC Deferred Policy Acquisition Costs [Table Text Block] Customer deposits - SMC embedded derivatives SMC embedded derivatives Stock Market Certificates Embedded Derivatives [Member] Derivative instrument related to stock market certificate products embedded in host contract classified as customer deposits. Exchange-traded Exchange Traded [Member] Receivable Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract] South Atlantic South Atlantic [Member] Represents South Atlantic region of United States. Carrying Value Reported Value Measurement [Member] Valuation allowance, deferred tax assets Deferred Tax Assets, Valuation Allowance Segment Information Segment Reporting Disclosure [Text Block] Not designated as hedging instruments Not Designated as Hedging Instrument [Member] Effect of actual variances from expected experience Additional Liability, Long-Duration Insurance, Cumulative Increase (Decrease) of Actual Variance from Expected Experience Assets and liabilities measured at fair value Fair Values of Assets and Liabilities Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Total Debt and Lease Obligation Increase (decrease) in stockholders' equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Unrealized Losses Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] Other charges Separate Account, Liability, Increase (Decrease) from Other Change Weighted-average crediting rate Policyholder Account Balance, Weighted Average Crediting Rate Net unrealized gains (losses) on derivatives Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Weighted average Weighted Average Weighted Average [Member] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] West North Central West North Central [Member] Represents West North Central region of United States. Mutual funds Distribution Service, Mutual Funds [Member] Distribution assistance to mutual funds investor. Market volatility Measurement Input, Price Volatility [Member] Available-for-sale securities, measurement inputs Debt Securities, Available-for-Sale, Measurement Input Schedule of changes in the balances of each component of AOCI Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Purchase of land, buildings, equipment and software Payments to Acquire Productive Assets Nonperforming Nonperforming Financial Instruments [Member] Asset Management Asset Management Segment [Member] Segment of business which provides investment advice and investment products to retail, high net worth and institutional clients. Industrial Industrial Property [Member] Residential mortgage backed securities Residential Mortgage-Backed Securities [Member] Revolving Credit Facility Revolving Credit Facility [Member] Fixed maturity securities rated internally Fixed Maturity Investments Rated Internally The amount of fixed maturity investments with credit ratings developed internally based on criteria similar to those used by Standard and Poor's, Moody's or Fitch. Arrangement Duration Trading Arrangement Duration Amortization Deferred Sales Inducement Cost, Amortization Expense 2030 Contract Receivable, Year Four Amount receivable under contract to be collected in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Change in Fair Value of Market Risk Benefits Market Risk Benefit, Change in Fair Value, Gain (Loss) [Member] Market Risk Benefit, Change in Fair Value, Gain (Loss) Segments [Axis] Segments [Axis] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Other, net Payment for (Proceeds from) Other Investing Activity Class of Financing Receivable, Type of Borrower [Domain] Class of Financing Receivable, Type of Borrower [Domain] Impact of change in net unrealized (gains) losses on securities Additional Liability, Long-Duration Insurance, Increase (Decrease) from Discount Rate Change Custodial service fees Custodial Service Fees [Member] Custodial Service Fees Off-balance sheet brokerage cash Distribution Service, Brokerage Cash [Member] Distribution Service, Brokerage Cash Assets Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument [Axis] Debt Instrument [Axis] Beginning balance Ending balance Net asset (liability) position Market risk benefits Market Risk Benefit, after Increase (Decrease) from Instrument-Specific Credit Risk Fair Values of Assets and Liabilities Fair Value Disclosures [Text Block] Credit Facility [Domain] Credit Facility [Domain] Equity: Equity, Attributable to Parent [Abstract] Benefits, Claims, Losses and Settlement Expenses Benefits, Claims, Losses and Settlement Expenses [Member] The allocation (or location) of expense to (in) benefits, claims, losses and settlement expenses. Variable account index-linked adjustments Policyholder Account Balance, Other Variable Account Adjustments Policyholder Account Balance, Other Variable Account Adjustments Repurchase of common shares Repurchase of common shares Treasury Stock, Value, Acquired, Cost Method FICO Score, Greater than 810 FICO Score, Greater than 810 [Member] Greater than 810 credit score as defined by the external credit rating agency, Fair Isaac Corporation (FICO). Element name and standard label in FICO Score Greater Than [low end numeric value] [Member] or FICO Score Less Than [high end numeric value] [Member] formats. Interest rates Debt Instrument, Interest Rate, Stated Percentage Investment Name [Axis] Investment, Name [Axis] Balances of and changes in additional liabilities related to insurance guarantees Additional Liability, Long-Duration Insurance [Table Text Block] Offsetting Assets and Liabilities Offsetting Assets and Liabilities [Text Block] The entire disclosure of derivative and other financial assets and liabilities that are subject to offsetting, including master netting arrangements. Fair value of loans in nonaccrual status Fair Value, Option, Loans Held as Assets, Aggregate Amount in Nonaccrual Status Receivables for revenue from contracts with customers Contract with Customer, Receivable, after Allowance for Credit Loss Surrenders and other benefits Withdrawal from Contract Holders Funds Fixed accounts of structured variable annuities Fixed Accounts of Structured Variable Annuities [Member] Fixed Accounts of Structured Variable Annuities Gross Amounts of Recognized Assets Gross fair value assets, freestanding derivatives Derivative Asset, Subject to Master Netting Arrangement, before Offset Depreciation, amortization and accretion, net Depreciation, Amortization and Accretion, Net Fixed accounts of variable annuities Fixed Accounts of Variable Annuities [Member] Fixed Accounts of Variable Annuities Entity Registrant Name Entity Registrant Name Fixed deferred indexed annuities embedded derivatives Fixed Deferred Indexed Annuities Embedded Derivatives [Member] The embedded derivative related to a contract that provides periodic payments based on a host index amount. Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Investment return Separate Account, Liability, Increase (Decrease) from Invested Performance West South Central West South Central [Member] Represents West South Central region of United States. Fixed accounts of variable universal life insurance Fixed Accounts of Variable Universal Life [Member] Fixed Accounts of Variable Universal Life 4% - 5.00% 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 Total assets at fair value Total assets at fair value Assets, Fair Value Disclosure Total Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions Death benefits Guaranteed Minimum Death Benefit [Member] Past due Financial Asset, Past Due [Member] Schedule of debt and stated interest rates Schedule of balances and stated interest rates of outstanding debt Schedule of Debt [Table Text Block] Segment reconciling items Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Net Amount Derivative Liability, Subject to Master Netting Arrangement, after Offset and Deduction Fair value of loans more than 90 days past due Fair Value, Option, Loans Held as Assets, 90 Days or More Past Due Restatement Determination Date: Restatement Determination Date [Axis] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Due after five years through 10 years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Amortized Cost Effect of changes in equity markets and subaccount performance Market Risk Benefit, Increase (Decrease) from Equity Market Change Separate account liabilities Beginning balance Ending balance Separate account liabilities - investment contracts Separate Account, Liability Name Trading Arrangement, Individual Name Beginning balance Ending balance Deferred Income Receivables: embedded derivatives Gross fair value assets, embedded derivatives Embedded Derivative, Fair Value of Embedded Derivative Asset Schedule of Short-term Debt [Table] Short-Term Debt [Table] Highest credit risk rating Risk Level, High [Member] Summary of Net Investment income Summary of Net Investment Income [Table Text Block] Tabular disclosure of the summarized information related to net investment income, including realized and unrealized gain (loss) on investments. Customer deposits Deposits [Member] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] East North Central East North Central [Member] Represents East North Central region of United States. Share Repurchase Program [Axis] Share Repurchase Program [Axis] Premiums Payable Contractual Obligation, Fiscal Year Maturity [Abstract] Name Awards Close in Time to MNPI Disclosures, Individual Name Investment certificates: Investment Certificates and Banking Time Deposits [Abstract] -- None. No documentation exists for this element. -- Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Risk 5 Internal Risk Rating 5 [Member] Entity defined credit risk rating 5. Policy Loans Policy Loan [Member] Represents loans made to policy and contract holders using their life insurance contracts' cash value or separate accounts as collateral. Estimated liability related to guaranty fund assessments Loss Contingency, Undiscounted Amount of Insurance-related Assessment Liability Investments at net asset value Alternative Investment Reissuance of treasury stock (in shares) Stock Issued During Period, Shares, Treasury Stock Reissued Fair value Debt Securities, Available-for-Sale, Maturity, Fair Value, Rolling Maturity [Abstract] Variable Universal Life Insurance Variable Universal Life Variable Universal Life [Member] 2031 Contract Receivable, after Year Four Amount receivable under contract to be collected after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Arising during the period Other Comprehensive Income (Loss) before Reclassifications, Tax Liability Class [Axis] Liability Class [Axis] Credit Loss Status [Domain] Credit Loss Status [Domain] Segment [Domain] Segments [Domain] Income Statement Location [Axis] Statement of Income Location, Balance [Axis] Fair value of investment securities received as collateral that were repledged Fair Value of Securities Received as Collateral that Have Been Resold or Repledged Fair Value Hierarchy and NAV [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Deferred Charges, Insurers [Abstract] Deferred Charges, Insurers [Abstract] Ameriprise Financial Total Segments after intersegment eliminations Consolidated Entity, Excluding Consolidated VIE [Member] Gross Amounts Offset in the 
Consolidated Balance Sheets Security Loaned, Subject to Master Netting Arrangement, Asset Offset Balance Sheet Location [Domain] Statement of Financial Position Location, Balance [Domain] Asset Management: Retail Investment Advice, Retail Customer [Member] Investment recommendation and research provided to retail customer. Net unrealized gains (losses) on securities AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Cash Collateral Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset Policyholder account balances Beginning balance Ending balance Policyholder Account Balance Other life insurance Non Indexed Accounts of Other Life Insurance [Member] Non Indexed Accounts of Other Life Insurance Senior notes due 2035 Senior Notes 2035 [Member] Senior Notes 2035 Total long-term debt Long-Term Debt and Lease Obligation, Including Current Maturities Syndicated loans Syndicated Loans [Member] Represents a loan to a single borrower originated by an unrelated third party in which a group of lenders fund various portions of the loan. Gross Amounts Offset in the 
Consolidated Balance Sheets Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Purchases Payments to Acquire Debt Securities, Available-for-Sale State and municipal obligations US States and Political Subdivisions Debt Securities [Member] Effect of changes in equity index volatility Market Risk Benefit, Increase (Decrease) from Volatility Year 2 Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Financial Asset, Aging [Axis] Financial Asset, Aging [Axis] All Executive Categories All Executive Categories [Member] Amortization Amortization of deferred acquisition costs Deferred Policy Acquisition Costs, Amortization Expense Common shares ($0.01 par value; shares authorized, 1,250,000,000; shares issued, 338,240,364 and 338,058,287, respectively) Common Stock, Value, Issued Next 12 months Policyholder Account Balance, Percentage, Reset In Next 12 Months Policyholder Account Balance, Percentage, Reset In Next 12 Months Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Purchase of investments by consolidated investment entities Payment to Acquire Investments by Consolidated Investment Entities The cash outflow for the purchase of investments by the consolidated investment entities. OTC cleared Exchange Cleared [Member] Risk 3 Internal Risk Rating 3 [Member] Entity defined credit risk rating 3. Indexed Universal Life Insurance Indexed Universal Life [Member] Represents the permanent life insurance policy that allows policyholders to tie accumulation values to a stock market index. Recent Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] Investments and cash equivalents segregated for regulatory purposes Cash and Securities Segregated under Securities Exchange Commission Regulation Short-term borrowings Short-Term Debt [Line Items] Additional Liability, Long-Duration Insurance [Line Items] Additional Liability, Long-Duration Insurance [Line Items] Policyholder account balances: Net Change Contract Holders Funds [Abstract] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Proceeds from additions Investment Certificates and Banking Time Deposits Proceeds from Additions The gross cash inflow associated with deposits and other additions for investment certificates and certificates of deposit. Funding of mortgage loans Payments to Acquire Mortgage Notes Receivable Benefit accrual Additional Liability, Long-Duration Insurance, Issuance Common Stock Repurchases Common Stock Repurchases [Member] Common Stock Repurchases Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Hedging Designation [Axis] Hedging Designation [Axis] Disability Income Insurance Disability Income Insurance Disability Insurance Policy [Member] Derivative Contract [Domain] Derivative Contract [Domain] Reclassification of net (gains) losses on securities included in net income AOCI Attributable to Parent, Accumulated Gain (Loss), Debt Securities, Available-for-sale and Accumulated Other-than-Temporary Impairment [Member] Represents the combined amounts attributable to parent of (i) accumulated unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale); (ii) accumulated other comprehensive loss resulting from other-than-temporary impairments (OTTI) of debt securities if a portion of an other-than-temporary impairment has not been recognized in earnings; and (iii) accumulated other adjustments primarily consisting of changes in insurance and annuity asset and liability balances. Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Gross realized investment losses Debt Securities, Available-for-Sale, Realized Loss Debt Debt Instruments [Abstract] All Individuals All Individuals [Member] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Receivables Increase (Decrease) in Receivables Name Forgone Recovery, Individual Name Rollforward of Available-for-Sale securities allowance for credit losses Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward] Market risk benefits Asset position Market Risk Benefit, Asset, Amount Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Additional liabilities for insurance guarantees Liability For Future Policy Benefit, Before Reinsurance, Additional Liabilities For Insurance Guarantees Liability For Future Policy Benefit, Before Reinsurance, Additional Liabilities For Insurance Guarantees Reconciliation of cash and cash equivalents, including amounts restricted: Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation [Abstract] Fixed deferred indexed annuity and deposit receivables embedded derivatives Fixed Deferred Indexed Annuity and Deposit Receivables Embedded Derivatives [Member] Represents information in the aggregate pertaining to fixed deferred indexed annuity and deposit receivables embedded derivatives. Receivables Receivables Represents combined information pertaining to all receivables, including, but not limited to, trade account receivables, note receivables and loan receivables, as well as industry specific receivables, such as reinsurance recoverable, accrued investment income, brokerage customer receivables, premiums due, securities borrowed and other receivables. Reserve for future policy benefits Net liability for future policy benefits Liability For Future Policy Benefit, Before Reinsurance, Reserve Liability For Future Policy Benefit, Before Reinsurance, Reserve Amounts of liabilities presented in the consolidated balance sheets Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned Summary of payments to make and receive for options Schedule of Derivative Instruments [Table Text Block] 2027 Contract, Receivable, Year One Amount receivable under contract to be collected in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). East South Central East South Central [Member] Represents East South Central region of United States. Liability for Future Policy Benefit Activity [Table] Liability for Future Policy Benefit Activity [Table] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Line of Credit Facility Line of Credit Facility [Line Items] Geographical [Axis] Geographical [Axis] Transaction Type [Axis] Transaction Type [Axis] Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Variable Interest Entities [Abstract] Variable Interest Entities [Abstract] Complete disclosure related to the Company's Variable Interest Entities (VIEs) including Consolidated Investment Entities (CIEs) [Abstract] Credit card receivables Credit Card Receivable [Member] Premiums, policy and contract charges Insurance Services Revenue Other Obligations, Fair Value Disclosure Difference between fair value and unpaid principal of loans more than 90 days past due, loans in nonaccrual status or both Fair Value, Option, Loans Held as Assets, Aggregate Difference Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Title of 12(b) Security Title of 12(b) Security Weighted average interest accretion rate Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate Provisions Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Non-Life Contingent Payout Annuities Non-Life Contingent Payout Annuity [Member] Non-Life Contingent Payout Annuity Due within one year Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Amortized Cost Net of Tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Restricted and segregated cash and cash equivalents Restricted and segregated cash and cash equivalents Cash and Securities Segregated under Federal and Other Regulations Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value [Table] Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table] Schedule of Debt Instruments [Table] Schedule of Debt Instruments [Table] A table or schedule providing information pertaining to short-term and long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to A fair presentation. Deferred Policy Acquisition Cost [Table] Deferred Policy Acquisition Cost [Table] Earnings per share Earnings Per Share [Abstract] Contingent consideration liabilities Contingent Consideration Liability [Member] Liability recognized arising from contingent consideration in a business combination. Impairments and provision for loan and credit losses Other than Temporary Impairments and Provision for Loan Losses The sum of other-than-temporary impairments recognized in earnings and the change in loan loss provisions. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. Asset backed securities Asset-Backed Securities, Securitized Loans and Receivables [Member] Other Life Insurance Other Life Insurance [Member] Other life insurance contracts under which are classified as long-duration contracts. 2027 Contractual Obligation, to be Paid, Year One Operating segments and non-operating Operating Segments And Corporate Non Segment [Member] Operating Segments And Corporate Non Segment Short-term Debt, Type [Axis] Short-Term Debt, Type [Axis] Property/real estate Separate Account, Real Estate [Member] Amortization of deferred acquisition costs Amortization of Deferred Charges Allowance for credit losses Financing Receivable, Allowance for Credit Loss [Line Items] External Credit Rating by Grouping [Axis] External Credit Rating by Grouping [Axis] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Repurchase of common shares (in shares) Repurchase of common shares (in shares) Treasury Stock, Shares, Acquired Net realized investment gains (losses) Net Realized Gains (Losses) [Member] Net Realized Gains (Losses) Award Timing Disclosures [Line Items] Income taxes Operating Loss Carryforwards [Line Items] Net unrealized gains (losses) on securities arising during the period AOCI Attributable to Parent, Debt Securities, Available-for-sale, Accumulated Gain (Loss) and OTTI, Excluding Insurance Related Impact [Member] Represents the accumulated unrealized gain (loss) and other-than-temporary impairments on available-for-sale debt securities excluding the impact of insurance related items (benefit reserves and reinsurance recoverables), attributable to parent. Federal Home Loan Bank borrowings Federal Home Loan Bank Advances [Member] Measurement Frequency [Domain] Measurement Frequency [Domain] Risk 2 Internal Risk Rating 2 [Member] Entity defined credit risk rating 2. Loss recovery Measurement Input, Loss Severity [Member] Shareholders' Equity Equity [Text Block] Net income Net income Net income Net Income (Loss) Attributable to Parent Net transfer from (to) general account Transfer to (from) Policyholder Account Balance (to) from Separate Account, Net Of Policy Loan Activity Transfer to (from) Policyholder Account Balance (to) from Separate Account, Net Of Policy Loan Activity Net transfer from (to) separate account liabilities Transfer to (from) Policyholder Account Balance (to) from Separate Account Total future policy benefits Balance Liability for Future Policy Benefit, before Reinsurance Net Amount Security Borrowed, Subject to Master Netting Arrangement, after Offset and Deduction Summarized selected financial information by segment Segment Reporting Information [Line Items] Revenue from other sources Revenue Not from Contract with Customer Repurchase of common shares Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Net premiums collected Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected Schedule of gross and net information about liabilities subject to master netting arrangements Offsetting Liabilities [Table Text Block] Retained earnings Retained Earnings (Accumulated Deficit) Number of securities Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Number of Positions [Abstract] Net increase (decrease) to pretax income from adjustment for nonperformance risk on the fair value of embedded derivatives Embedded Derivative, Gain (Loss) on Embedded Derivative, Net At Guaranteed Minimum Policyholder Account Balance, at Guaranteed Minimum Crediting Rate [Member] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Total residential mortgage loans Residential Mortgage Loan Receivable [Member] Total residential mortgage loans receivable, when it serves as a benchmark in a concentration of risk calculation, representing the sum of all reported residential mortgage loans as of the balance sheet date. Less than 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions Net unrealized gains (losses) on derivatives Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Gross amounts of recognized liabilities Derivative Liability, Security Sold under Agreement to Repurchase, and Security Loaned, Subject to Master Netting Arrangement, before Offset Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] 2030 Contractual Obligation, to be Paid, Year Four Statement [Table] Statement [Table] Deferred income tax expense (benefit) Deferred Income Tax Expense (Benefit) Adjustments to reconcile net income to net cash provided by (used in) operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Total Offsetting Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed [Abstract] Cash Flows from Financing Activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Retirement & Protection Solutions Retirement and Protection Solutions [Member] Segment of business which provides a variety of retirement and protection products to address the protection and risk management needs of the entity's clients, including variable annuities and payout annuities and life and disability insurance.. Cash received for purchased options with deferred premiums Proceeds from Derivative Instrument, Financing Activities Contract liabilities Contract with Customer, Liability Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Senior notes due 2033 Senior Notes 2033 [Member] Notes payable to other with a claim on the assets of the issuer which takes priority over other note holders, due in 2033. Summary of changes in Level 3 assets measured at fair value on a recurring basis Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] All Adjustments to Compensation All Adjustments to Compensation [Member] Amounts of Liabilities Presented in the Consolidated Balance Sheets Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral Interest Expense Liability for Future Policy Benefit, Interest Expense Amendment Flag Amendment Flag Balances of and changes in DAC Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward] Accrued interest excluded from amortized cost basis Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss Impact of benefit reserves and reinsurance recoverables AOCI Attributable to Parent, Debt Securities, Available-for-sale, Insurance Related Impact [Member] Represents the impact on accumulated unrealized gain (loss) and other-than-temporary impairments on available-for-sale debt securities of insurance related items (benefit reserves and reinsurance recoverables), attributable to parent. Policy claims and other policyholders’ funds Liability for Claims and Claims Adjustment Expense Effect of changes in instrument-specific credit risk on market risk benefits OCI, Market Risk Benefit, Instrument-Specific Credit Risk, Gain (Loss), after Adjustments and Tax, Parent Net Amount Derivative Asset, Security Purchased under Agreement to Resell, and Security Borrowed, Including Not Subject to Master Netting Arrangement, after Offset and Deduction Commercial and Residential mortgage backed securities Commercial And Residential Mortgage Backed Securities [Member] Commercial And Residential Mortgage Backed Securities Treasury shares, at cost (248,160,045 and 246,794,407 shares, respectively) Treasury Stock, Common, Value Termination Date Trading Arrangement Termination Date 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 Yield/spread to U.S. Treasuries Measurement Input, Yield and Spread to Treasury [Member] Represents the yield or spread to treasury (i.e. the difference in yield between a U.S. Treasury security and any other fixed maturity security), used as an input to measure fair value. Apartments Apartment Building [Member] Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Allowance for credit losses Beginning balance Ending balance Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest 100-150 bps above Guaranteed Minimum Policyholder Account Balance, Above Guaranteed Minimum Crediting Rate, Range From 0100 To 0150 [Member] Policyholder Account Balance, Above Guaranteed Minimum Crediting Rate, Range From 0100 To 0150 Basic: weighted-average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Unrecognized tax benefits, net of federal tax benefits, that would affect the effective tax rate if recognized Unrecognized Tax Benefits that Would Impact Effective Tax Rate Schedule of computations of basic and diluted earnings per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Segment Reporting [Abstract] Segment Reporting [Abstract] Market Risk Benefit [Roll Forward] Market Risk Benefit [Roll Forward] Distribution expenses Adjusted Distribution Expenses Adjusted Distribution Expenses Debt Disclosure [Abstract] Debt Disclosure [Abstract] AAA Credit Rating AAA [Member] AAA credit rating as defined by Moody's, Standard and Poor's or Fitch, or as developed internally based on criteria similar to those rating agencies. Restricted and segregated investments Increase (Decrease) of Restricted Investments Reclassification to net income Reclassification from AOCI, Current Period, Tax Amortization Deferred Income, Revenue Recognized Discounted expected future gross premiums Liability for Future Policy Benefit, Expected Future Gross Premium, Discounted, before Reinsurance Reclassification to net income Reclassification from AOCI, Current Period, before Tax, Attributable to Parent Consumer Loans Consumer and Residential Portfolio Segment [Member] Represents information in the aggregate pertaining to the portfolio segment of the company's total financing receivables related to consumer receivables and residential financing receivables. 2029 Contract Receivable, Year Three Amount receivable under contract to be collected in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Derivatives: Offsetting Derivative Liabilities [Abstract] Variable Annuity and Insurance Guarantees Fair Value, Separate Account Investment [Line Items] Range of Guaranteed Minimum Crediting Rates Policyholder Account Balance, Guaranteed Minimum Credit Rating Total Debt Securities, Available-for-Sale, Realized Gain (Loss) Issuances Liability for Future Policy Benefit, Expected Net Premium, Issuance Interest paid by consolidated investment entities Interest Paid, Including Capitalized Interest, Operating and Investing Activities Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Common shares, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Consolidated Entities [Axis] Consolidated Entities [Axis] Benefits, claims, losses and settlement expenses Adjusted Policyholder Benefits and Claims Incurred, Net Adjusted Policyholder Benefits and Claims Incurred, Net Minnesota MINNESOTA Remeasurement (gains) losses of future policy benefit reserves Liability for Future Policy Benefit, Remeasurement Gain (Loss) Total investments Investments, Total [Member] Total investments, when it serves as a benchmark in a concentration of risk calculation, representing the sum of all reported investments as of the balance sheet date. Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Dividends paid to shareholders Payments of Dividends Total other comprehensive income (loss) Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Gross Amounts Offset in the Consolidated Balance Sheets Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Insider Trading Arrangements [Line Items] Prior Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Allowance for Credit Losses Beginning balance Ending balance Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest Common stocks Equity Securities [Member] State net operating losses Deferred Tax Assets, Operating Loss Carryforwards, State and Local [Member] Deferred Tax Assets, Operating Loss Carryforwards, State and Local Universal Life Insurance Universal Life [Member] Guaranteed benefit amount in excess of current account balances (net amount at risk) Market Risk Benefit, Net Amount at Risk Other revenues Product and Service, Other [Member] Total liabilities Liabilities Deferred profit liability Liability For Future Policy Benefit, Before Reinsurance, Deferred Profit Liability Liability For Future Policy Benefit, Before Reinsurance, Deferred Profit Liability Risk concentration, percentage Risk Concentration, Percentage Risk Concentration, Percentage Policyholder account balances, future policy benefits and claims Policyholder Account Balance, Future Policy Benefit and Claims [Member] Primary financial statement caption encompassing policyholder account balances, future policy benefits and claims. Total having single maturity dates Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Amounts of Assets Presented in the Consolidated Balance Sheets Securities Borrowed Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Equity securities Separate Account, Equity Security [Member] Financial Instrument Performance Status [Domain] Financial Instrument Performance Status [Domain] Gross and net information about assets subject to master netting arrangements Offsetting Assets [Line Items] Gross Premiums Liability for Future Policy Benefit, Gross Premium Income Securities collateral Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Security Not Offset Other investments Other Security Investments [Member] Senior notes due 2032 Senior Notes 2032 [Member] Notes payable to other with a claim on the assets of the issuer which takes priority over other note holders, due in 2032. Fair Value, Separate Account Investment [Table] Fair Value, Separate Account Investment [Table] Consolidation Items [Axis] Consolidation Items [Axis] Balances of and changes in policyholder account balances Policyholder Account Balance [Table Text Block] BBB Credit Rating BBB [Member] BBB credit rating as defined by Moody's, Standard and Poor's or Fitch, or as developed internally based on criteria similar to those rating agencies. Policy charges Separate Account, Liability, Policy Charge Market Risk Benefit [Table] Market Risk Benefit [Table] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Fair value of investment securities received as collateral that can be repledged Fair Value of Securities Received as Collateral that Can be Resold or Repledged Corporate debt securities Corporate Debt Securities [Member] Aggregate fair value of assets posted as collateral Collateral Already Posted, Aggregate Fair Value