Retirement Benefits [Abstract] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Pension Plans [Member] Pension Plan [Member] Defined Benefit Plans Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Schedule of components of net periodic pension cost [Table Text Block] Schedule of Net Benefit Costs [Table Text Block] Reconciliation of the changes in the defined postretirement benefit plan obligation [Table Text Block] Schedule of Changes in Projected Benefit Obligations [Table Text Block] Reconciliation of the changes in the fair value of plan assets for the pension plans [Table Text Block] Schedule of Changes in Fair Value of Plan Assets [Table Text Block] Schedule of amounts recognized in the Consolidated Balance Sheets [Table Text Block] Schedule of Amounts Recognized in Balance Sheet [Table Text Block] Accumulated benefit obligations in excess of the fair value of plan assets [Table Text Block] Schedule of Accumulated and Projected Benefit Obligations [Table Text Block] Schedule of weighted average assumptions used to determine benefit obligations [Table Text Block] Schedule of Assumptions Used Benefit Obligation [Table Text Block] Disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation, including assumed discount rates and rate increases in compensation and healthcare costs. Schedule of Assumptions Used [Table Text Block] Schedule of Assumptions Used [Table Text Block] Schedule of pension plan assets measured at fair value on a recurring basis [Table Text Block] Schedule of Allocation of Plan Assets [Table Text Block] Schedule of expected benefit payments to retirees under retirement plans [Table Text Block] Schedule of Expected Benefit Payments [Table Text Block] Offsetting [Abstract] Offsetting Assets [Table] Offsetting Assets [Table] Transaction Type [Axis] Transaction Type [Axis] Transaction [Domain] Transaction [Domain] OTC [Member] Over the Counter [Member] OTC cleared [Member] Over the Counter Cleared Swaps [Member] Transaction where an organization acts as an intermediary, reconciling orders between transacting parties. Exchange-traded [Member] Exchange Traded [Member] Gross and net information about the assets subject to master netting arrangements Offsetting Assets [Line Items] Derivatives: [Abstract] Offsetting Derivative Assets [Abstract] Derivative Asset, Fair Value, Gross Asset Gross amounts not offset in the consolidated balance sheets [Abstract] Derivative Asset, Fair Value, Amount Not Offset Against Collateral [Abstract] Financial instruments Derivative Asset Not Offset Financial Instruments The amount of derivative assets that could be offset by derivative liabilities subject to a master netting arrangement but management elects not to offset. Cash collateral Derivative, Collateral, Obligation to Return Cash Securities collateral Derivative, Collateral, Obligation to Return Securities Net amount Derivative Asset, Fair Value, Amount Offset Against Collateral Securities borrowed [Abstract] Offsetting Securities Borrowed [Abstract] Gross amounts of recognized assets Securities Borrowed, Gross Gross amounts not offset in the consolidated balance sheets [Abstract] Securities Borrowed Gross Amounts Not Offset [Abstract] -- None. No documentation exists for this element. -- Financial instruments Securities Borrowed Not Offset Financial Instruments The amount of securities borrowed that could be offset by securities loaned subject to a master netting arrangements but management elects not to offset. Securities collateral Securities Borrowed, Collateral, Obligation to Return Securities Net amount Securities Borrowed, Amount Offset Against Collateral Total [Abstract] Offsetting Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed [Abstract] Gross amounts of recognized assets Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed, Gross Gross amounts not offset in the consolidated balance sheets [Abstract] Derivative Asset Securities Purchased Under Agreements to Resell Securities Borrowed Gross Amounts Not Offset [Abstract] -- None. No documentation exists for this element. -- Financial instruments Derivative Asset Securities Purchased Under Agreements to Resell Securities Borrowed Not Offset Financial Instruments The amount of derivative assets, securities purchased under agreements to resell and securities borrowed that could be offset by liabilities subject to a master netting arrangements but management elects not to offset. Cash collateral Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed, Collateral, Obligation to Return Cash Securities collateral Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed, Collateral, Obligation to Return Securities Net amount Derivative Asset, Securities Purchased under Agreements to Resell, Securities Borrowed, Amount Offset Against Collateral Premiums Earned, Net [Abstract] Effects of Reinsurance [Table] Effects of Reinsurance [Table] Insurance Product Line [Axis] Products and Services [Axis] Insurance Product Line [Domain] Products and Services [Domain] Property and casualty [Member] Property and Casualty, Commercial Insurance Product Line [Member] Effects of Reinsurance [Line Items] Effects of Reinsurance [Line Items] Premiums Written, Net [Abstract] Premiums Written, Net [Abstract] Direct premiums written Direct Premiums Written Ceded premiums written Ceded Premiums Written Total net written premiums Premiums Written, Net Premiums Earned, Net, by Business [Abstract] Premiums Earned, Net, by Business [Abstract] Direct premiums earned Direct Premiums Earned Ceded premiums earned Ceded Premiums Earned Total net earned premiums Premiums Earned, Net Fair Value Disclosures [Abstract] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Ameriprise Financial [Member] Consolidated Entity Excluding Variable Interest Entities (VIE) [Member] Liability Class [Axis] Liability Class [Axis] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] IUL embedded derivatives [Member] 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. GMWB and GMAB embedded derivatives [Member] GMWB and GMAB Embedded Derivatives [Member] The embedded derivative related to guaranteed minimum withdrawal and accumulation provisions of insurance contracts. Policyholder account balances, future policy benefits and claims [Member] Policyholder Account Balances, Future Policy Benefits and Claims [Member] Policyholder account balances, future policy benefits and claims is the aggregate amount of liabilities recorded as of the balance sheet date for policy obligations including unpaid claims and claims adjustment expense. Contingent consideration liabilities [Member] Contingent Consideration Liability [Member] Contingent Consideration Liability [Member] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Transfers from Level 1 to Level 2, Liabilities Fair Value, Liabilities, Level 1 to Level 2 Transfers, Amount Transfers from Level 2 to Level 1, Liabilities Fair Value, Liabilities, Level 2 to Level 1 Transfers, Amount Net increase (decrease) to pretax income of nonperformance risk on fair value of embedded derivative liability Net Increase (Decrease) to Pretax Income from Embedded Derivative Liability Represents the amount of cumulative increase (decrease) to the fair value of the embedded derivative liability due to the adjustment for nonperformance risk, net DAC, DSIC and unearned revenue amortization and the reinsurance accrual. Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Balance, at the beginning of the period Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value Total gains (losses) included in net income Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Issues Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Balance, at the end of the period Changes in unrealized gains/ (losses) included in income relating to liabilities held at end of period Fair Value, Liabilities Measured on Recurring Basis, Change in Unrealized Gain (Loss) Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities -- None. No documentation exists for this element. -- Separate Account Liabilities Separate Account Liabilities Disclosure [Abstract] -- None. No documentation exists for this element. -- Variable annuity Separate Accounts Liability Variable Annuity The equivalent summary total of separate account assets representing contract holder funds related to variable annuity policies. VUL insurance Separate Accounts Liability Variable Universal Life Insurance The equivalent summary total of separate account assets representing contract holder funds related to variable universal life insurance policies. Other insurance Separate Accounts Liability Other Insurance The equivalent summary total of separate account assets representing contract holder funds related to other insurance policies, not otherwise described in the taxonomy. Threadneedle investment liabilities Separate Accounts Liability Investment The equivalent summary total of separate account assets representing contract holder funds related to investment funds managed by the entity. Total Separate Accounts, Liability Goodwill and Intangible Assets Disclosure [Abstract] Changes in the carrying amount of goodwill reported in operating segments [Table Text Block] Schedule of Goodwill [Table Text Block] Definite-lived intangible assets [Table Text Block] Schedule of Finite-Lived Intangible Assets [Table Text Block] Estimated intangible amortization expenses [Table Text Block] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Condensed Financial Information of Parent Company Only Disclosure [Abstract] Statement [Table] Statement [Table] Ameriprise Financial, Inc: Parent Company [Member] Statement Statement [Line Items] Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Common shares, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common shares, shares authorized Common Stock, Shares Authorized Common shares, shares issued Common Stock, Shares, Issued Treasury shares Treasury Stock, Shares Stockholders' Equity Note [Abstract] Schedule of other comprehensive income (loss) [Table Text Block] Comprehensive Income (Loss) [Table Text Block] Information related to amounts reclassified from AOCI [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Shareholders' Equity [Text Block] Stockholders' Equity Note Disclosure [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Fair value hedges [Member] Fair Value Hedging [Member] Derivative Instruments, Gain (Loss) Derivative Instruments, Gain (Loss) [Line Items] Schedule of gross fair value of derivative instruments, including embedded derivatives [Table Text Block] Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Schedule of gain (loss) on derivative instruments [Table Text Block] Derivative Instruments, Gain (Loss) [Table Text Block] Schedule of payments to make and receive for options [Table Text Block] Schedule of Premiums for Derivative Option Contracts [Text Block] Tabular disclosure of premiums payable or receivable related to derivative contracts by period. Schedule of balances of assets and liabilities measured at fair value on a recurring basis[Table Text Block] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Summary of changes in level 3 assets and liabilities measured at fair value on a recurring basis [Table Text Block] Fair Value Assets (Liabilities) Measured on Recurring Basis Unobservable Input Reconciliation [Table Text Block] Tabular disclosure of the fair value measurement of assets and liabilities using significant unobservable inputs (level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains (losses) during the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains (losses) recognized in other comprehensive income (loss), and a description of where those gains (losses) included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset and liability. Significant unobservable inputs used in the fair value measurements [Table Text Block] Fair Value Inputs Assets (Liabilities) Quantitative Information [Table Text Block] Tabular disclosure of quantitative information about the inputs used in the fair value measurement of assets and liabilities. This disclosure may include, but is not limited to, the fair value of the asset and liability, valuation technique used to measure fair value, the inputs used to measure fair value, the ranges of the inputs, and the weighted averages of the inputs. Schedule of carrying value and the estimated fair value of financial instruments that are not reported at fair value [Table Text Block] Fair Value, by Balance Sheet Grouping [Table Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Schedule of Quantifying Prior Year Misstatement Corrected in Current Year Financial Statements [Table] Schedule of Quantifying Prior Year Misstatement Corrected in Current Year Financial Statements [Table] Adjustments for Error Corrections [Axis] Adjustments for Error Corrections [Axis] Adjustments for Error Correction [Domain] Adjustments for Error Correction [Domain] Decrease to other comprehensive income related to deferred taxes on currency translation adjustments [Member] Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member] Operating Income (Loss) [Member] Operating Income (Loss) [Member] DAC [Member] DAC [Member] Primary financial statement encompassing deferred acquisition costs Benefits, Claims, Losses and Settlement Expenses [Member] Benefits, Claims, Losses and Settlement Expenses [Member] The allocation (or location) of expense to (in) benefits, claims, losses and settlement expenses. Income Tax Provision [Member] Income Tax Provision [Member] Primary financial statement caption encompassing Income tax expense (benefit) LTC [Member] Long term care insurance [Member] Long term care insurance [Member] Assets Held under Capital Leases [Member] Assets Held under Capital Leases [Member] Capital Lease Obligations [Member] Capital Lease Obligations [Member] Quantifying Misstatement in Current Year Financial Statements [Line Items] Quantifying Misstatement in Current Year Financial Statements [Line Items] Quantifying Misstatement in Current Year Financial Statements, Amount Quantifying Misstatement in Current Year Financial Statements, Amount Summary of Option Premiums Payable and Receivable [Table] Summary of Option Premiums Payable and Receivable [Table] Schedule by year due of option premiums payable and receivable. Premiums for Derivative Option [Axis] Premiums for Derivative Option [Axis] Timing of when the entity is scheduled to make and receive payments associated with deferred premium options. Payment or Receivable Term [Domain] Payment or Receivable Term [Domain] Year in which the entity is scheduled to make and receive payments associated with deferred premium options. 2018 [Member] Due in One Year [Member] Amount due in the year following the current year. 2019 [Member] Due in Two Years [Member] Amount due in year two following the current year. 2020 [Member] Due in Three Years [Member] Amount due in year three following the current year. 2021 [Member] Due in Four Years [Member] Amount due in year four following the current year. 2022 [Member] Due in Five Years [Member] Amount due in year five following the current year. 2023-2027 [Member] Due after Five Years [Member] Amount due after five years following the current year. Summary of Option Premiums Payable and Receivable [Line Items] Summary of Option Premiums Payable and Receivable [Line Items] -- None. No documentation exists for this element. -- Premiums payable for derivative option contracts Premiums Payable For Derivatives Option Contracts The amount of payments the entity is scheduled to make for deferred premium option contracts. Premiums receivable for derivative option contracts Premiums Receivable For Derivatives Option Contracts Premiums Receivable For Derivatives Option Contracts Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Recurring basis [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Carrying value [Member] Reported Value Measurement [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Financial Assets Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Mortgage Loans, Net Mortgage Loans on Real Estate, Commercial and Consumer, Net Policy and certificate loans Loans, Gross, Insurance Policy Receivables Margin loans and securities borrowed Value of brokerage margin loans and securities borrowed. Restricted and segregated cash Restricted Cash and Cash Equivalents 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. Fair value of advisor loans moved from level 2 to level 3 Loans to Financial Advisors Fair Value Disclosure Loans to Financial Advisors Fair Value Disclosure Financial Liabilities Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Policyholder account balances, future policy benefits and claims Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense Investment certificate reserves Deposits, Investment Certificate The total of all investment certificate deposits held by the entity. Brokerage customer deposits Deposits Banking and Brokerage The total of all deposits held in bank or brokerage accounts for the benefit of customers. Separate account liabilities measured at NAV 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. Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan, Asset Categories [Axis] Defined Benefit Plan, Asset Categories [Axis] Plan Asset Categories [Domain] Plan Asset Categories [Domain] Equity securities [Member] Equity Securities [Member] Debt securities [Member] Debt Securities [Member] Other assets [Member] Other Assets [Member] Other Postretirement Benefits Plan [Member] Other Postretirement Benefits Plan [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan, Plan Assets, Benefits Paid Defined Benefit Plan, Plan Assets, Benefits Paid Benefits paid Defined Benefit Plan, Benefit Obligation, Benefits Paid Actuarial (gain) loss Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Other Change Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Other Change Defined Benefit Plan, Benefit Obligation, Contributions by Plan Participant Defined Benefit Plan, Benefit Obligation, Contributions by Plan Participant Percentage of Eligible Contribution Percentage of eligible contribution Represents the percentage of eligible contribution that is credited each pay period to employees' account balances. Yield period of U.S. Treasury Note Yield Period of U S Treasury Note Represents the yield period for U.S. Treasury Note, the average of which is used to credit employees' balances. Minimum crediting rate (as a percent) Minimum Crediting Rate Represents the minimum crediting rate to employees' balances. Period of graded schedule for vesting Period of Graded Schedule for Vesting Represents the period for graded schedule for vesting match contributions. Minimum threshold percentage for amortization of actuarial gains and losses Percentage Threshold for Amortization of Actuarial Gains (Losses) Represents the threshold percentage of the projected benefit obligation or the market-related value of assets for which actuarial gains and losses are amortized on a straight-line basis over the expected average remaining service period of active participants. Unrecognized actuarial gain (loss) recognized in accumulated other comprehensive income Accumulated Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain (Loss) after Tax The after-tax net amount of gains and losses that are not yet recognized as a component of net periodic benefit cost, and that are recognized as increases or decreases in other comprehensive income as they arise. Gains and losses are due to changes in the value of either the benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption, or the consequence of a decision to temporarily deviate from the substantive plan. Unrecognized prior service credit (cost) recognized in accumulated other comprehensive income Accumulated Other Comprehensive Income Defined Benefit Plan Net Prior Service Cost Credit after Tax Amount related to the after-tax cost of benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation, which has not yet been recognized as components of net periodic benefit cost. Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Estimated future amortization of actuarial gain (loss) Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year Estimated amounts that will be amortized from AOCI into net periodic benefit cost - prior service credit (cost) Defined Benefit Plan, Expected Amortization of Prior Service Cost (Credit), Next Fiscal Year Defined Benefit Plan, Assets, Target Allocations Defined Benefit Plan, Assets, Target Allocations [Abstract] Target allocations (as a percent) Defined Benefit Plan, Plan Assets, Target Allocation, Percentage Target allocations for pooled pension funds (as a percent) Defined Benefit Plan, Target Plan Asset in Pooled Pension Funds Allocations Target allocation of investments of this type to total plan assets in pooled pension funds presented on a weighted average basis. Range of the difference between the actual allocation and target allocations (as a percent) Range of Difference in Actual Allocation and Target Allocations Represents the range of the difference between the actual allocation and target allocations. Assets Assets [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Investments Investments Loans to subsidiaries Loans to Affiliates For an unclassified balance sheet, amount of loans due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership. Due from subsidiaries Due from Affiliates Receivables Accounts Receivable, Net, Current Land, buildings, equipment and software, net of accumulated depreciation of $1,055 and $993, respectively Property, Plant and Equipment, Net Restricted and segregated cash Restricted Cash and Cash Equivalents and Cash and Securities Segregated under Federal and Other Regulations The aggregate of the carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage (restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits; excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet) and the amount of cash subject to withdrawal restrictions, restricted deposits held as compensating balances, and cash and securities segregated in compliance with regulations (such as cash deposited in a special reserve account for the exclusive benefit of customers pursuant). Investment in subsidiaries Investments in Subsidiaries Total investment in subsidiaries. Other assets Other Assets Total assets Assets Liabilities and Shareholders' Equity Liabilities and Equity [Abstract] Liabilities: Liabilities [Abstract] Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities Due to subsidiaries Due to Affiliate Borrowings from subsidiaries Loans from Affiliates For an unclassified balance sheet, amount of loans due to an entity that is affiliated with the reporting entity by means of direct or indirect ownership. Long-term debt Long-term Debt Other liabilities Other Liabilities Total liabilities Liabilities Shareholders' Equity: Stockholders' Equity Attributable to Parent [Abstract] Common shares ($.01 par value; shares authorized, 1,250,000,000; shares issued, 327,506,935 and 324,006,315, respectively) Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Retained earnings Retained Earnings (Accumulated Deficit) Treasury shares, at cost (169,246,411 and 151,789,486 shares, respectively) Treasury Stock, Value Accumulated other comprehensive income, net of tax, including amounts applicable to equity investment in subsidiaries Accumulated Other Comprehensive Income (Loss), Net of Tax Total Ameriprise Financial, Inc. shareholders' equity Stockholders' Equity Attributable to Parent Total liabilities and equity Liabilities and Equity Insurance [Abstract] Net Amount at Risk, by Product and Guarantee [Table] Net Amount at Risk, by Product and Guarantee [Table] Liabilities for Guarantees on Long-Duration Contracts, Guarantee Type [Axis] Guaranteed Insurance Contract, Type of Guarantee [Axis] Guaranteed Insurance Benefit Type [Domain] Guaranteed Insurance Contract, Type of Guarantee [Domain] GMAB [Member] Guaranteed Minimum Accumulation Benefit [Member] Variable Annuity Guarantees by Benefit Type Net Amount at Risk by Product and Guarantee [Line Items] Maximum age of variable annuity contractholders Maximum Age of Variable Annuity Contractholders Represents the maximum age of variable annuity contractholders for obtaining the principal-back guarantee by purchasing the optional GMAB rider for an additional charge. GMAB rider guarantees waiting period GMAB Rider Guarantees Waiting Period Represents the waiting period for GMAB rider guarantees. Investments, Debt and Equity Securities [Abstract] Investments [Text Block] Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Net unrealized securities gains [Member] Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] AOCI Attributable to Parent [Member] AOCI Attributable to Parent [Member] Net unrealized derivatives losses [Member] Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Defined benefit plans [Member] Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Foreign currency translation [Member] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Accumulated Net Unrealized From Other Investment Gain Loss [Member] Accumulated Net Unrealized From Other Investment Gain Loss [Member] Accumulated Net Unrealized From Other Investment Gain Loss Member [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Beginning balance Cumulative Effect of New Accounting Principle in Period of Adoption Cumulative Effect of New Accounting Principle in Period of Adoption OCI before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Amounts reclassified from AOCI Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Ending balance Noncredit related impairments on AFS securities Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities Condensed Statements of Operations [Table Text Block] Condensed Income Statement [Table Text Block] Condensed Balance Sheets [Table Text Block] Condensed Balance Sheet [Table Text Block] Condensed Statements of Cash Flows [Table Text Block] Condensed Cash Flow Statement [Table Text Block] Fair Values of assets and liabilities [Text Block] Fair Value Disclosures [Text Block] Variable Interest Entities [Abstract] Complete disclosure related to the Company's Variable Interest Entities (VIEs) including Consolidated Investment Entities (CIEs) [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Variable Interest Entities [Axis] Variable Interest Entities [Axis] Variable Interest Entity, Classification [Domain] Variable Interest Entity, Classification [Domain] Consolidated investment entities [Member] Variable Interest Entity, Primary Beneficiary [Member] Assets and liabilities measured at fair value Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Schedule of assets and liabilities held by consolidated investment entities measured at fair value on a recurring basis Schedule of changes in Level 3 assets and liabilities held by consolidated investment entities measured at fair value on a recurring basis Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Schedule of fair value and unpaid principal balance of assets and liabilities carried at fair value under the fair value option Fair Value, Option, Quantitative Disclosures [Table Text Block] Schedule of debt of the consolidated investment entities and the stated interest rates Schedule of Debt [Table Text Block] Schedule of maturities of long-term debt Schedule of Maturities of Long-term Debt [Table Text Block] Asset Class [Axis] Asset Class [Axis] Asset Class [Domain] Asset Class [Domain] Corporate Debt Securities [Member] Corporate Debt Securities [Member] Residential mortgage backed securities [Member] Residential Mortgage Backed Securities [Member] Commercial mortgage backed securities [Member] Commercial Mortgage Backed Securities [Member] Asset backed securities [Member] Asset-backed Securities, Securitized Loans and Receivables [Member] Common stocks [Member] Total available-for-sale securities [Member] Available-for-sale Securities [Member] Trading securities [Member] Trading Securities [Member] Other derivative contracts [Member] Other Contract [Member] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Cumulative effect of change in accounting policies [Member] Adjustments for New Accounting Pronouncement [Member] Transfers from Level 1 to Level 2, Assets Fair Value, Assets, Level 1 to Level 2 Transfers, Amount Transfers from Level 2 to Level 1, Assets Fair Value, Assets, Level 2 to Level 1 Transfers, Amount Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Balance, at the beginning of the period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Total gains (losses) included in net income Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings 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) Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Sales Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Transfers into Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Balance, at the end of the period Changes in unrealized gains (losses) included in income relating to assets held at end of period Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss) Retirement Plans and Profit Sharing Arrangements [Text Block] Pension and Other Postretirement Benefits Disclosure [Text Block] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Business Segments [Axis] Segments [Axis] Segment [Domain] Segments [Domain] Advice & Wealth Management [Member] Advice and Wealth Management [Member] Segment of business which provides financial planning and advice, as well as full service brokerage and banking services. Asset Management [Member] Asset Management Segment [Member] Segment of business which provides investment advice and investment products to retail, high net worth and institutional clients. Annuities [Member] Annuities [Member] Segment of business which provides variable and fixed annuity products. Protection [Member] Protection [Member] Segment of business which provides a variety of protection products to address the protection and risk management needs of the entity's clients, including life, disability income and property-casualty insurance products. Goodwill Goodwill [Line Items] Changes in the carrying amount of goodwill, by segment: Goodwill [Roll Forward] Goodwill, balance at the beginning of the period Goodwill Goodwill, Acquired During Period Goodwill, Acquired During Period Foreign currency translation Goodwill, Foreign Currency Translation Gain (Loss) Purchase price adjustment Goodwill, Purchase Accounting Adjustments Goodwill, balance at the end of the period Reinsurance Disclosures [Abstract] Reinsurance [Text Block] Reinsurance [Text Block] Income Tax Disclosure [Abstract] Schedule of components of income tax provision (benefit) [Table Text Block] Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of geographic sources of pretax income [Table Text Block] Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Reconciliation of the income tax provision [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of significant components of deferred income tax assets and liabilities [Table Text Block] Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Reconciliation of gross unrecognized tax benefits (expense) [Table Text Block] Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Debt Disclosure [Abstract] Debt [Text Block] Debt Disclosure [Text Block] Earnings Per Share [Abstract] Earnings per Share Attributable to Ameriprise Financial, Inc. Common Shareholders Earnings Per Share [Text Block] Segment Reporting [Abstract] Schedule of segment reporting information [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table Text Block] Regulatory Requirements -- None. No documentation exists for this element. -- Summary of Statutory Net Gain from Operations and Net Income [Table Text Block] Statutory Accounting Practices Disclosure [Table Text Block] Accounting Policies [Abstract] Summary of Significant Accounting Policies [Text Block] Significant Accounting Policies [Text Block] Revenues Revenues [Abstract] Management and financial advice fees Investment Advisory Fees Net investment income Net Investment Income Other revenues Other Income Total revenues Revenues Banking and deposit interest expense Interest Expense, Deposits Total net revenues Net Revenues Aggregate revenue recognized during the period, net of banking and deposit interest expense. Expenses Operating Expenses [Abstract] Benefits, claims, losses and settlement expenses Policyholder Benefits and Claims Incurred, Net 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. Interest and debt expense Interest Expense, Borrowings General and administrative expense General and Administrative Expense Total expenses Costs and Expenses Pretax loss before equity in earnings of subsidiaries Pretax Loss before Equity in Earnings of Subsidiaries This element represents the sum of operating profit and nonoperating income (expense) before equity in earnings (losses) of subsidiaries, income taxes, extraordinary items and cumulative effects of changes in accounting principles. Income tax benefit Income Tax Expense (Benefit) Loss before equity in earnings of subsidiaries Income (Loss) from Continuing Operations before Equity in Earnings Losses of Subsidiaries This element represents the sum of operating profit and nonoperating income (expense) before equity in earnings (losses) of subsidiaries, extraordinary items and cumulative effects of changes in accounting principles. Equity in earnings of subsidiaries Equity in Earnings Losses of Subsidiaries This element represents the equity in earnings (losses) of subsidiaries for the period. Net income attributable to Ameriprise Financial Net Income (Loss) Attributable to Parent Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Comprehensive income attributable to Ameriprise Financial Comprehensive Income (Loss), Net of Tax, Attributable to Parent Quarterly Financial Information Disclosure [Abstract] Net revenues Pretax income Income (Loss) from Continuing Operations before Income Taxes Sum of operating profit and nonoperating income (expense) from continuing operations before income taxes, extraordinary items and cumulative effects of changes in accounting principles. Includes the portion attributable to noncontrolling interest. Net Income (Loss) Available to Common Stockholders, Basic Net Income (Loss) Available to Common Stockholders, Basic Earnings Per Share [Abstract] Net income (in dollars per basic share) Earnings Per Share, Basic Net income (in dollars per diluted share) Earnings Per Share, Diluted Weighted average common shares outstanding Weighted Average Common Shares Outstanding [Abstract] -- None. No documentation exists for this element. -- Basic Weighted Average Number of Shares Outstanding, Basic Diluted Weighted Average Number of Shares Outstanding, Diluted Cash dividends declared per common share Common Stock, Dividends, Per Share, Declared Common share price: Common Stock Price Range [Abstract] -- None. No documentation exists for this element. -- High (in dollars per share) Common Stock Price Per Share High End of Range Represents the maximum price per share of the common stock. Low (in dollars per share) Common Stock Price Per Share Low End of Range Represents the minimum price per share of the common stock. Supplemental Cash Flow Information - Cash Reconciliation [Abstract] Supplemental Cash Flow Information - Cash Reconciliation [Abstract] Restricted Cash and Cash Equivalents and Cash and Securities Segregated under Feder and Other Regulations Restricted Cash and Cash Equivalents and Cash and Securities Segregated under Feder and Other Regulations The aggregate of the carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage (restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into wit others, or entity statements of itention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits; excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet) and the amount of cash subject to withdrawal restrictions, restricted deposits held as compensating balances, and cash and securities segregated in compliance with regulations (such as cash deposited in a special reserve account for the exclusive benefit of customers pursuant). Less: Restricted and segregated investments Cash and Securities Segregated under Federal and Other Regulations Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Geographic sources of pretax income Income (Loss) from Continuing Operations before Income Taxes [Abstract] -- None. No documentation exists for this element. -- United States Income (Loss) from Continuing Operations before Income Taxes, Domestic Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Income from continuing operations before income tax provision Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Table] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] State and municipal obligations [Member] US States and Political Subdivisions Debt Securities [Member] U.S. government and agencies obligations [Member] US Treasury and Government [Member] Foreign government bonds and obligations [Member] Foreign Government Debt Securities [Member] Investments Schedule of Available-for-sale Securities [Line Items] Amortized cost Available-for-sale Securities, Amortized Cost Basis Gross unrealized gains Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax Gross unrealized losses Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax Fair value Available-for-sale Securities Noncredit OTTI Fair value of investment securities pledged as collateral Security Owned and Pledged as Collateral, Fair Value Fair value of investment securities pledged as collateral that may be repledged by the counterparty Financial Instruments Owned and Pledged as Collateral, Amount Eligible to be Repledged by Counterparty Receivables [Abstract] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Class of Financing Receivable, Type [Axis] Class of Financing Receivable, Type [Axis] Class of Financing Receivable, Type [Domain] Class of Financing Receivable, Type [Domain] Residential and Consumer Portfolio Segment [Member] Residential and Consumer Portfolio Segment [Member] Portfolio segment of the company's total financing receivables related to residential financing receivables and consumer receivables. Commercial mortgage loans [Member] Commercial Real Estate Portfolio Segment [Member] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] East North Central [Member] East North Central [Member] Represents East North Central region of United States. East South Central [Member] East South Central [Member] Represents East South Central region of United States. Middle Atlantic [Member] Middle Atlantic [Member] Represents Middle Atlantic region of United States. Mountain [Member] Mountain [Member] Represents Mountain region of United States. New England [Member] New England [Member] Represents New England region of United States. Pacific [Member] Pacific [Member] Represents Pacific region of United States. South Atlantic [Member] South Atlantic [Member] Represents South Atlantic region of United States. West North Central [Member] West North Central [Member] Represents West North Central region of United States. West South Central [Member] West South Central [Member] Represents West South Central region of United States. Real Estate, Type of Property [Axis] Real Estate, Type of Property [Axis] Real Estate, Property Type [Domain] Real Estate [Domain] Apartments [Member] Apartment Building [Member] Hotel [Member] Hotel [Member] Industrial [Member] Industrial Property [Member] Mixed Use [Member] Mixed Use [Member] Represents the properties which are used for multiple purposes. Office Office Building [Member] Retail Retail Site [Member] Other Other Property [Member] Commercial mortgage loans Mortgage Loans on Real Estate [Line Items] Total loans, gross Financing Receivable, Gross Proceeds from Sale of Loans and Leases Held-for-investment Proceeds from Sale of Loans and Leases Held-for-investment Less: allowance for loan losses Financing Receivable, Allowance for Credit Losses Total loans, net Financing Receivable, Net Percentage of gross commercial mortgage loans Percentage of Commercial Mortgage Loan Represents the gross amount of commercial mortgage loans as a percentage of the total gross value. Financing Receivable, Significant Sales Financing Receivable, Significant Sales Loss on sale of financing receivables Loans and Leases Receivable, Gain (Loss) on Sales, Net Deferred Charges, Insurers [Abstract] Balances of and changes in DAC Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward] Balance at the beginning of the period Deferred Policy Acquisition Costs Capitalization of acquisition costs Deferred Policy Acquisition Costs, Additions Amortization, excluding the impact of valuation assumptions review Deferred Policy Acquisition Cost, Amortization Expense, Other Amortization, impact of valuation assumptions review Deferred Policy Acquisition Cost, Amortization Expense, Assumption Change Impact of change in net unrealized securities (gains) losses Deferred Policy Acquisition Cost, Unrealized Investment Gain (Loss) Balance at the end of the period Benefit related to the write-off of the deferred reinsurance liability Benefit related to the write-off of the deferred reinsurance liability Benefit related to the write-off of the deferred reinsurance liability Expense related to the loss recognition on LTC business Expense related to the loss recognition on LTC business Expense related to the loss recognition on LTC business Balances of and changes in DSIC Movement in Deferred Sales Inducements [Roll Forward] Balance at the beginning of the period Deferred Sales Inducement Cost, Net Capitalization of sales inducement costs Deferred Sales Inducement Cost, Addition Amortization, excluding the impact of valuation assumptions review Deferred Sales Inducement Cost, Amortization Expense Amortization, impact of valuation assumptions review Deferred Sales Inducement Cost, Amortization Expense, Assumption Change Impact of change in net unrealized (gains) losses Deferred Sales Inducement Cost, Unrealized Gain (Loss) on Investment Balance at the end of the period Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Variable Interest Entity Type [Axis] Variable Interest Entity Type [Axis] Variable Interest Entity Type [Axis] Variable Interest Entity Type [Domain] Variable Interest Entity Type [Domain] [Domain] for Variable Interest Entity Type [Axis] CLO [Member] CLO [Member] Collateralized Loan Obligation (CLO) is a variable interest entity consolidated on to the Ameriprise Financial (the Company) balance sheet as the Company has power over the CLOs and holds a variable interest in the CLOs for which the Company has the potential to receive benefits or the potential obligation to absorb losses that are significant to the CLO. Debt and stated interest rates Debt Instrument [Line Items] Weighted Average Interest Rate (as a percent) Long-term Debt, Weighted Average Interest Rate, at Point in Time Stated interest rate according to terms of CDO structure Stated Interest Rate of Long Term Debt of Consolidated CDO s Percentage Reflects the stated interest rate of the long-term debt of consolidated CDOs. Schedule of gross and net information about the Company's assets subject to master netting arrangements [Table Text Block] Offsetting Assets [Table Text Block] Schedule of gross and net information about the Company's liabilities subject to master netting arrangements [Table Text Block] Offsetting Liabilities [Table Text Block] Banking and Thrift [Abstract] Customer deposits [Text Block] Deposit Liabilities Disclosures [Text Block] Consolidation [Abstract] Consolidation [Abstract] Adjustments for New Accounting Pronouncement [Member] Assets Liabilities Total equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Principles of Consolidation Consolidation, Policy [Policy Text Block] Foreign Currency Translation Foreign Currency Transactions and Translations Policy [Policy Text Block] Amounts Based on Estimates and Assumptions Use of Estimates, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Investments Investment, Policy [Policy Text Block] Financing Receivables Finance, Loans and Leases Receivable, Policy [Policy Text Block] Separate Account Assets and Liabilities Policyholder Accounts, Policy [Policy Text Block] Restricted and Segregated Cash and Investments Cash and Securities Segregated under Federal and Other Regulations and Restricted Cash [Policy Text Block] Disclosure of accounting policy for cash and securities segregated under federal and other regulations and restricted cash. This disclosure includes cash subject to withdrawal restrictions, restricted deposits held as compensating balances, and cash and securities segregated in compliance with regulations (such as cash deposited in a special reserve account for the exclusive benefit of customers). Land, Buildings, Equipment and Software Property, Plant and Equipment, Policy [Policy Text Block] Goodwill and Other Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Derivative Instruments and Hedging Activities Derivatives, Policy [Policy Text Block] Deferred Acquisition Costs Deferred Policy Acquisition Costs, Policy [Policy Text Block] Deferred Sales Inducement Costs Sales Inducements to Contract Holders, Policy [Policy Text Block] Reinsurance Reinsurance Accounting Policy [Policy Text Block] Policyholder Account Balances, Future Policy Benefits and Claims Policyholder Account Balances, Future Policy Benefits and Claims [Policy Text Block] Disclosure of accounting policy for an insurance entity's net liability for future benefits (for example, death, cash surrender value) to be paid to or on behalf of policyholders, describing the bases, methodologies and components of the reserve, and assumptions regarding estimates of expected investment yields, mortality, morbidity, terminations and expenses. Also includes the policy for policyholder account balances. Unearned Revenue Liability Revenue Recognition, Deferred Revenue [Policy Text Block] Share-Based Compensation Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Nonconsolidated VIEs [Member] Variable Interest Entity, Not Primary Beneficiary [Member] Consolidated investment entities [Member] Investment in non-consolidated CLOs [Member] Investment in non-consolidated CLOs [Member] Investment in non-consolidated CLOs Property Funds [Member] Property Funds [Member] Property Funds which are not consolidated on the balance sheet Sponsored hedge funds and private equity funds [Member] Sponsored hedge funds and private equity funds [Member] Sponsored hedge funds and private equity funds which are not consolidated on the balance sheet [Member] International Series Fund [Member] International Series Fund [Member] International Series Funds which are not consolidated on the balance sheet Affordable housing partnerships [Member] Affordable housing partnerships [Member] Affordable housing partnerships which are not consolidated on the balance sheet [Member] Level 1 [Member] Investment Type [Axis] Investment Type [Axis] Investments [Domain] Investments [Domain] Other investments [Member] Structured Finance [Member] Syndicated loans [Member] Syndicated Loans [Member] Represents a loan offered by a group of lenders called as syndicate to provide funds to a single borrower. Assets Assets, Fair Value Disclosure [Abstract] Investments, Fair Value Disclosure Investments, Fair Value Disclosure Receivables Accounts Receivable, Fair Value Disclosure Total assets at fair value Assets, Fair Value Disclosure Liabilities Liabilities, Fair Value Disclosure [Abstract] Debt Debt Instrument, Fair Value Disclosure Other liabilities Other Liabilities, Fair Value Disclosure Total liabilities at fair value Financial and Nonfinancial Liabilities, Fair Value Disclosure Obligation to provide financial support to VIEs Variable Interest Entity, Financial or Other Support, Amount Carrying value of nonconsolidated VIEs, assets Variable Interest Entity, Nonconsolidated, Carrying Amount, Assets Carrying value of nonconsolidated VIEs, liabilities Variable Interest Entity, Nonconsolidated, Carrying Amount, Liabilities CLO debt valued using DCF model CLO debt valued using DCF model Debt of consolidated CLOs valued by using discounted cash flow method Financing Receivables [Text Block] Financing Receivables [Text Block] Statement of Cash Flows [Abstract] Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Cash Flows from Operating Activities Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation, amortization and accretion, net Depreciation, Amortization and Accretion, Net Deferred income tax expense (benefit) Deferred Income Tax Expense (Benefit) Share-based compensation Share-based Compensation Net realized investment (gains) losses Gain (Loss) on Sale of Investments Net trading (gains) losses Net Realized and Unrealized Gain (Loss) on Trading Securities Loss from equity method investments Income (Loss) from Equity Method Investments Other-than-temporary impairments and provision for loan 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. 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. Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Restricted and segregated investments Increase (Decrease) of Restricted Investments Deferred acquisition costs Increase (Decrease) in Deferred Policy Acquisition Costs Other investments, net Increase (Decrease) in Other Investment Net Represents increase (decrease) during the reporting period in other investments net in operating activities. Policyholder account balances, future policy benefits and claims, net Increase (Decrease) in Insurance Liabilities 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. Receivables Increase (Decrease) in Receivables Brokerage deposits Increase (Decrease) in Customer Deposits Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Investment properties of consolidated investment entities Increase (Decrease) Investment Properties of Consolidated Investment Entities Represents the net purchases and sales of investment properties of consolidated investment entities classified as operating activities. 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. Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities Cash Flows from Investing Activities Net Cash Provided by (Used in) Investing Activities [Abstract] Available-for-Sale securities: Available-for-sale Securities [Abstract] Proceeds from sales Proceeds from Sale of Available-for-sale Securities Maturities, sinking fund payments and calls Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities Purchases Payments to Acquire Available-for-sale Securities Proceeds from sales, maturities and repayments of mortgage loans Proceeds from Sale and Collection of Mortgage Notes Receivable Funding of mortgage loans Payments to Acquire Mortgage Notes Receivable Proceeds from sales and collections of other investments Proceeds from Sale and Maturity of Other Investments Purchase of other investments Payments to Acquire Other Investments 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. 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. Purchase of land, buildings, equipment and software Payments to Acquire Productive Assets Other, net Payments for (Proceeds from) Other Investing Activities Net cash (used in) provided by investing activities Net Cash Provided by (Used in) Investing Activities See Notes to Consolidated Financial Statements. Net Cash Provided by (Used in) Financing Activities [Abstract] Investment certificates: Investment Certificates and Banking Time Deposits [Abstract] -- None. No documentation exists for this element. -- 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. 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. Policyholder account balances: Net Change Contract Holders Funds [Abstract] Deposits and other additions Additions to Contract Holders Funds Net transfers to (from) separate accounts Policyholder and Contractholder Account Values, Net Transfer from to Separate Accounts The cash inflow (outflow) associated with transfers from (to) separate accounts. Surrenders and other benefits Withdrawal from Contract Holders Funds Cash paid for purchased options with deferred premiums Payments for Derivative Instrument, Financing Activities Cash received for purchased options with deferred premiums Proceeds from Derivative Instrument, Financing Activities Issuance of long-term debt, net of issuance costs Proceeds from Debt, Net of Issuance Costs Repayments of long-term debt Repayments of Long-term Debt Change in short-term borrowings, net Proceeds from (Repayments of) Short-term Debt Dividends paid to shareholders Payments of Dividends Repurchase of common shares Payments for Repurchase of Common Stock Exercise of stock options Proceeds from Stock Options Exercised Borrowings by consolidated investment entities Borrowings of Consolidated Investment Entities This element represents the cash inflow related to borrowings of the consolidated investment entities. 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. Noncontrolling interests investments in subsidiaries Proceeds from Noncontrolling Interests Distributions to noncontrolling interests Payments to Noncontrolling Interests Other, net Proceeds from (Payments for) Other Financing Activities Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash Effect of Exchange Rate on Cash and Cash Equivalents Net increase (decrease) in cash, cash equivalents and restricted cash Cash and Cash Equivalents, Period Increase (Decrease) Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning balance Net cash outflows upon the deconsolidation of VIEs Cash Divested from Deconsolidation Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, ending balance Reinsurance Retention Policy [Table] Reinsurance Retention Policy [Table] Reinsurance Policy, Type [Axis] Reinsurance Policy, Type [Axis] Reinsurance Policy [Domain] Reinsurance Policy [Domain] Life Insurance [Member] Life Insurance Product Line [Member] IUL and VUL Indexed Universal Life and Variable Universal Life [Member] Represents the permanent life insurance policy that allows policyholders to tie to accumulation values to a stock market index (IUL) and represents life insurance contract under which premiums are generally flexible, the level of death benefits may be adjusted, and mortality expense, and other charges may vary (VUL). TrioSource UL insurance [Member] TrioSource UL insurance [Member] TrioSource UL insurance [Member] Single Life Insurance [Member] Single Life Insurance [Member] Single Life Insurance [Member] Flexible Premium Survivorship Life Insurance [Member] Flexible Premium Survivorship Life Insurance [Member] Flexible Premium Survivorship Life Insurance [Member] DI [Member] Disability Insurance Policy [Member] Property and Casualty [Member] Property and Casualty, Personal Insurance Product Line [Member] Reinsurance Retention Policy [Line Items] Reinsurance Retention Policy [Line Items] Percentage of risk reinsured Reinsurance Retention Policy, Reinsured Risk, Percentage Maximum amount of life insurance risk retained by the entity Reinsurance Retention Policy, Amount Retained Maximum amount of life policy risk retained by entity, net of reinsured amounts Maximum amount of life policy risk retained by entity, net of reinsured amounts Maximum amount of life policy risk retained by entity, net of reinsured amounts Number of types of reinsurance agreements Number of Types of Reinsurance Agreements Represents the number of types of reinsurance agreements with unaffiliated reinsurance companies to reinsure a portion of risk associated with personal auto, home and umbrella insurance products. Maximum recovery per loss by entity Maximum Recovery Per Loss by Entity Represents the maximum amount of recovery for auto and home insurance products per loss. Catastrophe reinsurance loss recovery for first event by entity Catastrophe Reinsurance Loss Recovery For First Event by Entity Represents the maximum amount of recovery for catastrophe insurance for first event. Catastrophe reinsurance loss recovery for second event by entity Catastrophe Reinsurance Loss Recovery For Second Event by Entity Represents the maximum amount of recovery for catastrophe insurance for second event. Maximum amount of auto and home catastrophe insurance risk retained by entity per event Maximum Amount of Auto and Home Catastrophe Insurance Risk Retained by Entity Per Event Represents the maximum amount of auto and home catastrophe insurance risk retained by the entity per event. Percentage of personal umbrella, loss ceded Percentage of Personal Umbrella, Loss Ceded Represents the percentage of every personal umbrella loss ceded. Percentage Of Home Insurance Products Ceded Percentage Of Home Insurance Products Ceded Represents the percentage of every home insurance products ceded. Maximum personal umbrella, recovery Maximum Personal Umbrella, Recovery Represents the maximum amount of recovery for personal umbrella insurance per loss. Reinsurance Life Insurance in Force, Net [Abstract] Traditional Life and UL insurance in force, gross Life Insurance in Force, Gross Traditional Life and UL insurance in force, reinsured Life Insurance in Force, Ceded Statement of Stockholders' Equity [Abstract] Total Ameriprise Financial, Inc. Shareholders' Equity Consolidated Entity Excluding Noncontrolling Interests [Member] Represents amounts related to the consolidated entity excluding noncontrolling interests. Common Shares [Member] Common Stock [Member] Additional Paid-In Capital [Member] Additional Paid-in Capital [Member] Retained Earnings [Member] Retained Earnings [Member] Appropriated Retained Earnings of Consolidated Investment Entities [Member] Retained Earnings, Appropriated [Member] Treasury Shares [Member] Treasury Stock [Member] Accumulated Other Comprehensive Income [Member] Noncontrolling Interests [Member] Noncontrolling Interest [Member] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Balances Balances (in shares) Common Stock, Shares, Outstanding Comprehensive income (loss): Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Net income (loss) Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Net income (loss) reclassified to appropriated retained earnings Net Income Reclassified to Appropriated Retained Earnings Includes the net income of consolidated CDOs for the period. Dividends to shareholders Dividends, Common Stock Noncontrolling interests investments in subsidiaries Noncontrolling Interest, Increase from Subsidiary Equity Issuance Distributions to noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Repurchase of common shares Treasury Stock, Value, Acquired, Cost Method Repurchase of common shares (in shares) Treasury Stock, Shares, Acquired Share-based compensation plans Stock Issued During Period, Value, Share-based Compensation, Gross Share-based compensation plans (in shares) Stock Issued During Period, Shares, Share-based Compensation, Gross Balances Balances (in shares) Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Net investment income [Member] Net Investment Income [Member] Primary financial statement caption in which reported facts about net investment income have been included. Banking and deposit interest expense [Member] Banking and Deposit, Interest Expense [Member] The allocation (or location) of expense to (in) banking and deposit interest expense. Distribution expenses [Member] Distribution Expenses [Member] The allocation (or location) of expense to (in) distribution expenses. Interest credited to fixed accounts [Member] Interest Credited to Fixed Accounts [Member] The allocation (or location) of expense to (in) interest credited to fixed accounts. General and administrative expense [Member] General and Administrative Expense [Member] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Derivatives not designated as hedging instruments [Member] Not Designated as Hedging Instrument [Member] Derivative Instrument Risk [Axis] Derivative Instrument [Axis] Derivative Contract Type [Domain] Derivative Contract [Domain] Interest rate contracts [Member] Interest Rate Contract [Member] Equity contracts [Member] Equity Contract [Member] Credit contracts [Member] Credit Risk Contract [Member] Foreign exchange contracts [Member] Foreign Exchange Contract [Member] Other contracts [Member] Indexed annuity embedded derivatives [Member] Indexed Annuities Embedded Derivatives [Member] The embedded derivative related to a contract that provides periodic payments based on a host index amount. SMC embedded derivatives [Member] Stock Market Certificates Embedded Derivatives [Member] The embedded derivative related to stock market certificate products. Summary of the impact of derivatives not designated as hedging instruments on the Consolidated Statements of Operations Amount of gain (loss) on derivatives recognized in Income Derivative, Gain (Loss) on Derivative, Net Current income tax: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Current Federal Tax Expense (Benefit) State and local Current State and Local Tax Expense (Benefit) Foreign Current Foreign Tax Expense (Benefit) Total current income tax Current Income Tax Expense (Benefit) Deferred income tax: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) State and local Deferred State and Local Income Tax Expense (Benefit) Foreign Deferred Foreign Income Tax Expense (Benefit) Total deferred income tax Total income tax provision Expense related to the enactment of the Tax Act Expense related to the enactment of the Tax Act Expense related to the enactment of the Tax Act of 2017 as a component of the provision for income taxes. Remeasurement of deferred tax assets and liabilities to Tax Act's statutory 21% Remeasurement of deferred tax assets and liabilities to Tax Act's statutory 21% Expense for the remeasurement of deferred tax assets and liabilities to Tax Act's statutory rate of 21% Expense for the foreign provisions of the Tax Act Expense for the foreign provisions of the Tax Act Expense for the foreign provisions of the Tax Act, including a deemed repatriation tax of the Company's total post-1986 earnings and profits. Remeasurement of tax contingencies related to the Tax Act Remeasurement of tax contingencies Expense for the remeasurement of tax contingencies, specifically state tax contingencies and interest accrued for tax contingencies. Customer Deposits [Abstract] Deposits [Abstract] Fixed rate certificates Deposits, Fixed Rate Certificate The balance of fixed rate investment certificate deposits at the end of the period. Fixed rate investment certificates pay interest at a fixed rate. Stock market certificates Deposits, Stock Market Certificate The balance of stock market certificate deposits at the end of the period. Stock market certificates provide the certificate holder a choice to participate in a percentage increase in a stock market index or partial participation plus a fixed rate of interest. Stock market embedded derivative reserve Deposits, Stock Market Embedded Derivative Reserve The balance of the stock market certificate embedded derivative reserves at the end of the period. The embedded derivative is the value of the equity portion of the stock market certificate deposit. Other Deposits, Other The balance of other investment certificate deposits at the end of the period. Less: accrued interest classified in other liabilities Deposits, Accrued Interest The amount of interest accrued and included in the deposit total as of the balance sheet date but which is classified as part of other liabilities in the balance sheet. Total investment certificate reserves Brokerage customer deposits Deposits, Brokerage The total of all deposits held by brokerage accounts for the benefit of customers. Total Deposits Amount of fixed rate investment certificates Amount of Investment Certificates Offered by Entity Represents the amount of fixed rate investment certificates offered by an entity. Term of fixed rate investment certificates Term of Investment Certificates Offered by Entity Represents the period of fixed rate investment certificates offered by an entity. Percentage of participation in the market index in the first option Percentage of Participation in Market Index in First Option Represents the percentage of participation in the market index in the first option for increases in the stock market based on the S and P 500 Index. Percentage of participation in the market index in the second option Percentage of Participation in Market Index in Second Option Represents the percentage of participation in the market index in the second option for increases in the stock market based on the S and P 500 Index. Returns on current first term stock market certificates (as a percent) Percentage of Return on First Term Stock Market Certificates Represents the maximum percentage of returns on the current first term stock market certificates. Traditional Long-Duration Products [Member] Traditional Long-Duration Products [Member] Traditional Long-Duration Products [Member] Ceded premiums earned Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Share-Based Compensation [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Segment Information [Text Block] Segment Reporting Disclosure [Text Block] Schedule of variable annuity guarantees [Table Text Block] Schedule of Net Amount of Risk by Product and Guarantee [Table Text Block] Schedule of net amount at risk UL secondary guarantees [Table Text Block] Schedule Of Net Amount Of Risk UL Secondary Guarantees [Table Text Block] Schedule Of Net Amount Of Risk UL Secondary Guarantees [Table Text Block] Schedule of changes in additional liabilities for variable annuity and insurance guarantees [Table Text Block] Schedule of Minimum Guaranteed Benefit Liabilities [Table Text Block] Schedule of separate account balances by asset type [Table Text Block] Schedule of Fair Value of Separate Accounts by Major Category of Investment [Table Text Block] UL secondary guarantees [Member] UL Secondary Guarantees [Member] UL Secondary Guarantees [Member] Insurance Guarantees by Benefit Type Net amount at risk Net Amount at Risk by Product and Guarantee, Net Amount at Risk Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Corporate & Other [Member] Corporate and Other [Member] Summary of assets by segment Segment Reporting, Asset Reconciling Item [Line Items] Total assets Long-term Debt and Capital Lease Obligations, Including Current Maturities [Abstract] Future Debt Maturities [Table] Future Debt Maturities [Table] Future Debt Maturities [Table] Ameriprise Financial [Member] Future Debt Maturities [Line Items] Future Debt Maturities [Line Items] [Line Items] for Future Debt Maturities [Table] 2018 Long-term Debt and Capital Lease Obligations, Repayments of Principal in Next Twelve Months 2019 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Two 2020 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three 2021 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four 2022 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Five Thereafter Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal after Year Five Total future maturities Long-term Debt and Capital Lease Obligations, Including Current Maturities Rollforward of the allowance for loan losses [Table Text Block] Allowance for Credit Losses on Financing Receivables [Table Text Block] Schedule of recorded investment in financing receivables by impairment method and type of loan [Table Text Block] Schedule of Financing Receivables Impairment Method and Type of Loan [Table Text Block] Disclosure of financing receivables, by impairment method and the type of loan. Schedule of commercial mortgage loans by geographic region [Table Text Block] Schedule of Commercial Mortgage Loans by Geographic Region [Table Text Block] Tabular disclosure of information pertaining to each mortgage loan receivable and other required disclosures by geographic region. Schedule of commercial mortgage loans by property type [Table Text Block] Schedule of Commercial Mortgage Loans by Property Type [Table Text Block] Tabular disclosure of information pertaining to each mortgage loan receivable and other required disclosures by property type. Offsetting Assets and Liabilities [Text Block] 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. Other Postretirement Benefits Plan [Member] Weighted average assumptions used to determine benefit obligations for pension plans Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] Discount rates (as a percent) Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Rates of increase in compensation levels (as a percent) Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract] Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract] Weighted average assumptions used to determine net periodic benefit cost for pension plans Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] Discount rates (as a percent) Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Rates of increase in compensation levels (as a percent) Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase Expected long term rates of return on assets (as a percent) Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets Expected benefit payments to retirees Defined Benefit Plan, Expected Future Benefit Payment [Abstract] 2017 Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months 2018 Defined Benefit Plan, Expected Future Benefit Payment, Year Two 2019 Defined Benefit Plan, Expected Future Benefit Payment, Year Three 2020 Defined Benefit Plan, Expected Future Benefit Payment, Year Four 2021 Defined Benefit Plan, Expected Future Benefit Payment, Year Five 2022-2026 Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter Estimated future employer contributions in next fiscal year Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year Non-Traditional Long-Duration Products [Member] Non-Traditional Long-Duration Products [Member] Non-Traditional Long-Duration Products [Member] Reinsurance ceded offset within other revenues Reinsurance Ceded Offset Other Revenues Represents the amount of reinsurance ceded that offsets cost of insurance and administrative charges in other revenues. Reinsurance recovered from reinsurers Policyholder Benefits and Claims Incurred, Ceded Reinsurance recoverables Reinsurance Recoverables, Including Reinsurance Premium Paid Reinsurance recoverable related to LTC risk ceded to Genworth Reinsurance Recoverables, Case Basis Liabilities for assumed reinsurance arrangements Assumed Liability for Unpaid Claims and Claims Adjustment Expense Number of securities Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions [Abstract] Less than 12 months Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Less than One Year 12 months or more Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater than or Equal to One Year Total Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions Fair Value Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] Less than 12 months Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 12 months or more Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value Total Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Unrealized losses Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss [Abstract] Less than 12 months Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss 12 months or more Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Total Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss Derivatives and Hedging Activities [Text Block] Derivative Instruments and Hedging Activities Disclosure [Text Block] Supplemental Cash Flow Elements [Abstract] Interest Paid Interest Paid Income taxes paid (received), net Income Taxes Paid, Net Non-cash Investing Activity: Other Noncash Investing and Financing Items [Abstract] Partnership commitments not yet remitted Liabilities Assumed Liability for Policyholder Account Balances, Future Policy Benefit and Unpaid Claims by Policy Type [Table] Liability for Policyholder Account Balances and Future Policy Benefits and Unpaid Claims by Policy Type [Table] Schedule of the liability as of the balance sheet date for policyholder account balacnes and future benefits and unpaid claims to be paid to or on behalf of policyholders. Liability for Policyholder Account Balances and Future Policy Benefit and Unpaid Claims by Policy Type [Axis] Liability for Policyholder Account Balances and Future Policy Benefit and Unpaid Claims by Policy Type [Axis] Reflects the liability as of the balance sheet date for policyholder account balances and future benefits and unpaid claims to be paid to or on behalf of policyholders. Liability for Policyholder Account Balances and Future Policy Benefit by Policy Type [Domain] Liability for Future Policy Benefit by Policy Type [Domain] Type of insurance policy originating future benefits and unpaid claims. Fixed annuities [Member] Fixed Annuities [Member] A contract that provides fixed periodic payments. Variable annuity fixed sub-accounts [Member] Variable Annuity [Member] VUL/UL insurance [Member] Variable Universal Life and Universal Life Insurance [Member] Represents life insurance contract under which premiums are generally flexible, the level of death benefits may be adjusted, and mortality expense, and other charges may vary. IUL insurance [Member] Indexed Universal Life [Member] Represents the permanent life insurance policy that allows policyholders to tie accumulation values to a stock market index. Other life insurance [Member] Other Life Insurance [Member] Other life insurance contracts under which are classified as long-duration contracts. Variable annuity GMWB [Member] Guaranteed Minimum Withdrawal Benefit [Member] Variable annuity GMAB [Member] Other annuity liabilities [Member] Other Variable Annuity Guarantees [Member] The guaranteed account value for a variable annuity contract which is based on other conditions not separately identified in the taxonomy. Fixed annuity life contingent liabilities [Member] Fixed annuities life contingent liabilities [Member] Fixed payout annuities with a life contingent feature where the contractholder will receive future benefits Life and DI insurance [Member] Life and Disability Income Insurance [Member] Life and Disability Income Insurance [Member] LTC insurance [Member]