Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Statement [Line Items] Statement [Line Items] 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 Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Business Segments [Axis] Segments [Axis] Segment [Domain] Segments [Domain] Advice and 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. Corporate and Other [Member] Corporate and Other [Member] Summary of assets by segment Segment Reporting, Asset Reconciling Item [Line Items] Total assets Assets Fair Value Disclosures [Abstract] 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] Summary of changes in Level 3 assets and liabilities measured at fair value on a recurring basis 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 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 Fair Value, by Balance Sheet Grouping [Table Text Block] 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] GMDB [Member] Guaranteed Minimum Death Benefit [Member] GGU death benefit [Member] Guaranteed Minimum Death Benefit Gain Gross up [Member] The features in insurance contracts which provide that in the event of the insured's death, the beneficiary will receive the greater of the policyholder's or contract holder's account balance or another amount defined in the contract. The provisions of the contract gross up the amount payable by a certain percentage of contract earnings. GMIB [Member] Guaranteed Minimum Income Benefit [Member] GMWB [Member] Guaranteed Minimum Withdrawal Benefit [Member] GMAB [Member] Guaranteed Minimum Accumulation Benefit [Member] Guaranteed Insurance Contract, Type of Benefit [Axis] Guaranteed Insurance Contract, Type of Benefit [Axis] Guaranteed Insurance Contract, Type of Benefit [Domain] Guaranteed Insurance Contract, Type of Benefit [Domain] Return of premium [Member] Guaranteed Minimum Death Benefit Return of Premium [Member] The features in insurance contracts which provide that in the event of the insured's death, the beneficiary will receive the greater of the policyholder's or contract holder's account balance or a return of premium. Five/six-year reset [Member] Guaranteed Minimum Death Benefit Five or Six Year Reset [Member] The features in insurance contracts which provide that in the event of the insured's death, the beneficiary will receive the greater of the policyholder's or contract holder's account balance, subject to a five or six year reset of the contract value. One-year ratchet [Member] Guaranteed Minimum Death Benefit One Year Ratchet [Member] The features in insurance contracts which provide that in the event of the insured's death, the beneficiary will receive the greater of the policyholder's or contract holder's account balance. The value of the benefit ratchets up to the maximum account value each year. Five-year ratchet [Member] Guaranteed Minimum Death Benefit Five Year Ratchet [Member] The features in insurance contracts which provide that in the event of the insured's death, the beneficiary will receive the greater of the policyholder's or contract holder's account balance. The value ratchets up to the maximum account value every five years. Other [Member] Guaranteed Minimum Death Benefit Other [Member] The features in insurance contracts which provide that in the event of the insured's death, the beneficiary will receive the greater of the policyholder's or contract holder's account balance. The value received is determined by other criteria not separately identified in the taxonomy. GMWB standard benefit [Member] Guaranteed Minimum Withdrawal Standard Benefit [Member] The minimum amount (usually stated as a percentage of premiums) that will be available for withdrawal pursuant to terms of the long-duration contract. Regardless of the contract value, the contract or policy holder is guaranteed the right to periodic withdrawals from the contract until the amount withdrawn is equal to the guaranteed amount. GMWB for life [Member] Guaranteed Lifetime Withdrawal Benefit [Member] Variable Annuity Guarantees by Benefit Type Net Amount at Risk by Product and Guarantee [Line Items] Total contract value Net Amount at Risk by Product and Guarantee, General Account Value Contract value in separate accounts Net Amount at Risk by Product and Guarantee, Separate Account Value Net amount at risk Net Amount at Risk by Product and Guarantee, Net Amount at Risk Weighted average attained age Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age Earnings Per Share [Abstract] Schedule of earnings per common share [Table Text Block] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Permitted practice impact to statutory surplus Statutory Accounting Practices, Permitted Practice, Amount Income Tax Disclosure [Abstract] Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Adjustments for Error Corrections [Axis] Adjustments for Error Corrections [Axis] Adjustments for Error Correction [Domain] Adjustments for Error Correction [Domain] Income Tax Provision [Member] Income Tax Provision [Member] Primary financial statement caption encompassing Income tax expense (benefit) Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] State and Local [Member] State and Local Jurisdiction [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Effective tax rate on income from continuing operations (as a percent) Effective Income Tax Rate Reconciliation, Percent Benefit related to an out-of-period correction for a reversal of a tax reserve Quantifying Misstatement in Current Year Financial Statements, Amount State net operating losses Operating Loss Carryforwards Valuation allowance Deferred Tax Assets, Valuation Allowance Gross unrecognized tax benefits Unrecognized Tax Benefits Unrecognized tax benefits net of federal tax benefits that would affect the effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Decrease in gross unrecognized tax benefits due to resolution of audits and statute expirations Decrease in Unrecognized Tax Benefits is Reasonably Possible Increase (decrease) in interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Payable related to accrued interest and penalties Income Tax Examination, Penalties and Interest Accrued Investments, Debt and Equity Securities [Abstract] Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Table] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Ameriprise Financial [Member] Consolidated Entity Excluding Variable Interest Entities (VIE) [Member] 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] 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] Investments Schedule of Available-for-sale Securities [Line Items] Amortized cost Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Rolling Maturity [Abstract] Due within one year Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Amortized Cost Basis Due after one year through five years Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Amortized Cost Basis Due after five years through 10 years Available-for-sale Securities, Debt Maturities, Rolling Year Six Through Ten, Amortized Cost Basis Due after 10 years Available-for-sale Securities, Debt Maturities, Rolling after Year Ten, Amortized Cost Basis Total having single maturity dates Available-for-sale Securities, Debt Maturities, Single Maturity Date, Amortized Cost Basis Without single maturity dates Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis Amortized cost Available-for-sale Securities, Amortized Cost Basis Fair value Available-for-sale Securities, Debt Maturities, Fair Value, Rolling Maturity [Abstract] Due within one year Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Fair Value Due after one year through five years Available-for-sale Securities, Debt Maturities, Rolling Year Two Through Five, Fair Value Due after five years through 10 years Available-for-sale Securities, Debt Maturities, Rolling Year Six Through Ten, Fair Value Due after 10 years Available-for-sale Securities, Debt Maturities, Rolling after Year Ten, Fair Value Total having single maturity dates Available-for-sale Securities, Debt Maturities, Single Maturity Date Without single maturity dates Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value Fair value Available-for-sale Securities Stockholders' Equity Attributable to Parent [Abstract] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] 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 - Recognition and measurement of financial instruments Accounting Standards Update 2016-01 [Member] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Net unrealized securities gains (losses) [Member] Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] AOCI Attributable to Parent [Member] AOCI Attributable to Parent [Member] Net unrealized derivatives gains (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] Other [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 Accumulated Other Comprehensive Income (Loss), Net of Tax Cumulative effect of change in accounting policies 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 Total other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Ending balance Investment Holdings [Table] Investment Holdings [Table] Investment Type [Axis] Investment Type [Axis] Investments [Domain] Investments [Domain] Held-to-maturity Securities [Member] Held-to-maturity Securities [Member] Available-for-sale securities [Member] Available-for-sale Securities [Member] Mortgage loans, net [Member] Mortgages [Member] Policy and certificate loans [Member] Policy Loans [Member] Other investments [Member] Other Security Investments [Member] Investments Investments Certificates of Deposit, at Carrying Value Certificates of Deposit, at Carrying Value Increase (Decrease) in Stockholders' Equity [Abstract] Increase (Decrease) in Stockholders' Equity [Abstract] Nature of Stock Repurchases [Axis] Nature of Stock Repurchases [Axis] The nature of the stock repurchases for which information is disclosed, by type of repurchase. Nature of Stock Repurchases [Domain] Nature of Stock Repurchases [Domain] Type of stock repurchase for which information is disaggregated. Open market share repurchases [Member] Open Market Share Repurchases [Member] Repurchases of shares on the open market through privately negotiated transactions or block trades or other means. Accumulated Other Comprehensive Income (Loss), Net of Tax Other Comprehensive Income (Loss), Net of Tax Noncredit related impairments on securities and net unrealized securities gains (losses) on previously impaired securities Accumulated Other Comprehensive Income (Loss) Available For Sale Securities Impairment Other than Credit The amount included in accumulated other comprehensive income related to net unrealized gain (loss) on available for sale securities as of the balance sheet date that is attributable to noncredit related impairments on securities and net unrealized securities losses on previously impaired securities. Repurchase of common shares (in shares) Stock Repurchased During Period, Shares Repurchase of common shares Stock Repurchased During Period, Value Stock repurchase program, authorized amount Stock Repurchase Program, Authorized Amount Remaining balance under stock repurchase program Stock Repurchase Program, Remaining Authorized Repurchase Amount Number of shares reacquired through surrender of restricted shares Stock Reacquired Through Surrender of Restricted Stock Number This element represents the number of shares reacquired through the surrender of restricted shares during the period to cover the holders income tax obligation on vested shares. Value of shares reacquired through surrender of restricted shares Stock Reacquired Through Surrender of Restricted Stock Value This element represents the value of shares reacquired through the surrender of restricted shares during the period to cover the holders income tax obligation on vested shares. Number of shares reacquired through net settlement options Stock Reacquired Through Net Settlement of Options Number Represents the number of shares reacquired through the net settlement of options during the period to cover the strike price and the holders income tax obligation on vested shares. Aggregate value of shares reacquired through net settlement options Stock Reacquired Through Net Settlement of Options Aggregate Value Represents the aggregate value of shares reacquired through the net settlement of options during the period to cover the strike price and the holders' income tax obligation on vested shares. Treasury shares reissued for restricted stock award grants and Ameriprise Financial Franchise Advisor Deferred Compensation Plan Stock Issued During Period Shares Treasury Stock Reissued for Restricted Stock Award Grants Number of treasury shares (units) reissued during the period to satisfy equity-based compensation obligations exercised by holders of such rights. Debt Disclosure [Abstract] Schedule of Debt [Table Text Block] Schedule of Debt [Table Text Block] Deferred Charges, Insurers [Abstract] Schedule of balances of and changes in DAC [Table Text Block] Deferred Policy Acquisition Costs [Table Text Block] Schedule of balances of and changes in DSIC [Table Text Block] Deferred Sales Inducements [Table 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, including embedded derivatives [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. Receivables [Abstract] 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 [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. Investment income on fixed maturities Investment Income, Interest Net realized gains (losses) Net Realized Investment Gains (Losses) The net realized gains or losses on investments during the period. Affordable housing partnerships Investment Income (Expenses) Affordable Housing Partnerships Represents the equity method losses related to investments in affordable housing partnerships. Other Investment Income Other Represents the income from investments not otherwise specified in financial statements. Consolidated investment entities Investment Income from Consolidated Investment Entities Represents the income from investments in consolidated investment entities. Total Net Income from Investment Interest income on fixed maturity securities classified as Available-for-Sale, commercial mortgage loans, policy loans, consumer loans, other investments and cash and cash equivalents; the changes in fair value of trading securities, including seed money, certain derivatives, and assets and liabilities of consolidated investment entities; the pro rata share of net income or loss on equity method investments; and realized gains and losses on the sale of securities and charges for investments determined to be other-than-temporarily impaired. Document and Entity Information -- None. No documentation exists for this element. -- Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Current Reporting Status Entity Filer Category Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag Entity Common Stock, Shares Outstanding Commitments and Contingencies Disclosure [Abstract] Guarantees and contingencies [Text Block] Commitments Contingencies and Guarantees [Text Block] 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] Current Year [Member] Amount due in the remainder of the current year. 2019 [Member] Due in One Year [Member] Amount due in the year following the current year. 2020 [Member] Due in Two Years [Member] Amount due in year two following the current year. 2021 [Member] Due in Three Years [Member] Amount due in year three following the current year. 2022 [Member] Due in Four Years [Member] Amount due in year four following the current year. 2023-2027 [Member] Due after Four Years [Member] Amount due after four years following the current year. Summary of Option Premiums Payable and Receivable Summary of Option Premiums Payable and Receivable [Line Items] -- None. No documentation exists for this element. -- Premiums payable Premiums Payable For Derivatives Option Contracts The amount of payments the entity is scheduled to make for deferred premium option contracts. Premiums receivable 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] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Measurement Basis [Axis] Fair Value, Disclosure Item Amounts [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement (Needed for outline only) [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] Certificates of deposit with original or remaining maturities at the time of purchase of more than 90 days but less then 12 months Certificates of Deposit Fair Value Disclosure Certificates of Deposit Fair Value Disclosure Financial Assets Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Mortgage Loans on Real Estate, Commercial and Consumer, Net Mortgage Loans on Real Estate, Commercial and Consumer, Net Policy and certificate loans Loans, Gross, Insurance Policy Margin loans and securities borrowed Margin loans and securities borrowed Value of brokerage margin loans and securities borrowed. Restricted Cash and Cash Equivalents Restricted Cash and Cash Equivalents Other Investments and Other Assets Other Investments and Other Assets The value of other investments and other assets not individually reported in the financial statement 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 Separate Accounts, Liability 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. Variable Annuity and Insurance Guarantees [Text Block] Long-Duration Insurance Contracts Disclosure [Text Block] Liabilities for Guarantees on Long-Duration Contracts [Table] Liabilities for Guarantees on Long-Duration Contracts [Table] GMDB and GGU [Member] Guaranteed Minimum Death Benefit and Gain Gross up [Member] The features in insurance contracts which provide that in the event of the insured's death, the beneficiary will receive the greater of the policyholder's or contract holder's account balance or another amount defined in the contract. It includes contracts that gross up the amount payable by a certain percentage of contract earnings. UL [Member] Guaranteed Minimum Universal Life [Member] The features in insurance contracts that provide secondary guarantee benefits and are subject to specified conditions, by which the policy will not terminate and will continue to provide a death benefit even if there is insufficient policy value to cover the monthly deductions and charges. Variable Annuity and Insurance Guarantees Liabilities for Guarantees on Long-Duration Contracts [Line Items] Changes in Additional Liabilities for Variable Annuity and Insurance Guarantees Movement in Liabilities for Guarantees on Long-Duration Contracts, Guaranteed Benefit Liability, Gross [Roll Forward] Balance, at the beginning of the period Liabilities for Guarantees on Long-Duration Contracts, Guaranteed Benefit Liability, Gross Incurred claims Liabilities for Guarantees on Long-Duration Contracts, Incurred Benefits Paid claims Liabilities for Guarantees on Long-Duration Contracts, Payment for Benefits Balance, at the end of the period Income Taxes [Text Block] Income Tax Disclosure [Text Block] Income Statement [Abstract] Revenues Revenues [Abstract] Management and financial advice fees Investment Advisory Fees Distribution fees Distribution Fees Net investment income Premiums Premiums Earned, Net 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] 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 credited to fixed accounts Interest Credited to Policyholders Account Balances Benefits, claims, losses and settlement expenses Policyholder Benefits and Claims Incurred, Net Amortization of deferred acquisition costs Deferred Policy Acquisition Costs, Amortization Expense Interest and debt expense Interest Expense, Borrowings General and administrative expense General and Administrative Expense Total expenses Costs and Expenses 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. Income tax provision Income Tax Expense (Benefit) Net income Net Income (Loss) Attributable to Parent Earnings per share attributable to Ameriprise Financial, Inc. common shareholders [Abstract] Basic Earnings Per Share, Basic [Abstract] Net income (in dollars per share) Earnings Per Share, Basic Diluted Earnings Per Share, Diluted [Abstract] Net income (in dollars per share) Earnings Per Share, Diluted Cash dividends declared per common share (in dollars per share) Common Stock, Dividends, Per Share, Declared Supplemental Disclosures Supplemental Income Statement Elements [Abstract] Total other-than-temporary impairment losses on securities Other than Temporary Impairment Losses, Investments, Available-for-sale Securities Portion of loss recognized in other comprehensive income (before taxes) Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Loss, before Tax, Including Portion Attributable to Noncontrolling Interest, Available-for-sale Securities Net impairment losses recognized in net investment income Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities Balances of and changes in DAC [Roll Forward] 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 Deferred Policy Acquisition Cost, Amortization Expense, Other Impact of change in net unrealized securities (gains) losses Deferred Policy Acquisition Cost, Unrealized Investment Gain (Loss) Balance, at the end of the period Balances of and changes in DSIC [Roll Forward] 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 Deferred Sales Inducement Cost, Amortization Expense Impact of change in net unrealized securities (gains) losses Deferred Sales Inducement Cost, Unrealized Gain (Loss) on Investment Balance at the end of the period Statement of Comprehensive Income [Abstract] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Interest Expense, Borrowings [Member] Interest Expense, Borrowings [Member] The aggregate amount of interest expense on all borrowings. Net investment income [Member] Net Investment Income [Member] Primary financial statement caption in which reported facts about net investment income have been included. Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Other Comprehensive Income (Loss), before Tax [Abstract] Other Comprehensive Income (Loss), before Tax [Abstract] Net unrealized securities gains, before tax [Abstract] Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, Portion Attributable to Parent [Abstract] Net unrealized securities gains (losses) arising during the period, before tax Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax Reclassification of net securities (gains) losses included in net income, before tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax Impact of DAC, DSIC, unearned revenue, benefit reserves and reinsurance recoverables, before tax Other Comprehensive Income Impact Of DAC DSIC Unearned Revenue Benefit Reserves And Reinsurance Recoverables Before Tax The amount of change in other comprehensive income, before tax, related to the unrealized gain or loss on available for sale securities that were charged to balance sheet accounts such as deferred acquisition costs, deferred sales inducement costs, unearned revenue, benefit reserves or reinsurance recoverables. Net unrealized securities gains (losses), before tax Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax Net unrealized derivatives gains, before tax [Abstract] Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax, Portion Attributable to Parent [Abstract] Reclassification of net derivative (gains) losses included in net income, before tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax Net unrealized derivatives gains (losses), before tax Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax Defined benefit plans net gain (loss) arising during the period, before tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax Defined benefit plans, before tax Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment and Tax Foreign currency translation, before tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Other, before tax Other Comprehensive Income Loss Adjustment Other Investments Before Tax Amount before tax and reclassification adjustments, of appreciation (loss) in value of unsold Other Investments. Excludes the amount related to other than temporary impairment (OTTI) loss. Total other comprehensive income (loss), before tax Other Comprehensive Income (Loss), before Tax Other Comprehensive Income (Loss), Tax Impact [Abstract] Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent, Parenthetical Disclosures [Abstract] Net unrealized securities gains (losses), tax impact [Abstract] Other Comprehensive Income (Loss), Available-for-sale Securities, Tax, Portion Attributable to Parent [Abstract] Net unrealized securities gains (losses) arising during the period, tax Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax Reclassification of net securities (gains) losses included in net income, tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax Impact of DAC, DSIC, unearned revenue, benefit reserves and reinsurance recoverables, tax Other Comprehensive Income Impact Of DAC DSIC Unearned Revenue Benefit Reserves And Reinsurance Recoverables Tax The amount of tax in change in other comprehensive income related to the unrealized gain or loss on available for sale securities that were charged to balance sheet accounts such as deferred acquisition costs, deferred sales inducement costs, unearned revenue, benefit reserves or reinsurance recoverables. Net unrealized securities gains (losses), tax Other Comprehensive Income (Loss), Available-for-sale Securities, Tax Net unrealized derivatives losses, tax impact [Abstract] Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax, Portion Attributable to Parent [Abstract] Reclassification of net derivative (gains) losses included in net income, tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax Net unrealized derivatives gains (losses), tax Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Defined benefit plans net gain (loss) arising during the period, tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax Defined benefit plans, tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Foreign currency translation, tax Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Other, tax Other comprehensive income (loss) adjustment other investments, tax Amount of tax expense (benefit) before reclassification adjustments on other investments Total other comprehensive income (loss), tax Other Comprehensive Income (Loss), Tax Other Comprehensive Income (Loss), Net of Tax [Abstract] Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Net unrealized securities gains (losses), net of tax [Abstract] Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent [Abstract] Net unrealized securities gains (losses) arising during the period, net of tax Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Reclassification of net securities (gains) losses included in net income, net of tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Impact of DAC, DSIC, unearned revenue, benefit reserves and reinsurance recoverables, net of tax Other Comprehensive Income Impact of D A C D S I C Unearned Revenue Benefit Reserves and Reinsurance Recoverables Net of Tax Represents the impact, net of tax, on DAC, DSIC, unearned revenue, benefit reserves and reinsurance recoverables related to net unrealized gains (losses) on securities recognized in other comprehensive income. Net unrealized securities gains (losses), net of tax Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Net unrealized derivatives losses, net of tax [Abstract] Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent [Abstract] Reclassification of net derivative (gains) losses included in net income, net of tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Net unrealized derivatives gains (losses), net of tax Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Defined benefit plans net gain (loss) arising during the period, net of tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Defined benefit plans, net of tax Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax Foreign currency translation adjustment, net of tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Other, net of tax Other Comprehensive Income Loss Adjustment Other Investments Net of Tax Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold Other Investments. Excludes amounts related to other than temporary impairment (OTTI) loss. Fair Value Inputs Assets (Liabilities) Quantitative Information [Table] Fair Value Inputs Assets (Liabilities) Quantitative Information [Table] Schedule of 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. Asset Class [Axis] Asset Class [Axis] Asset Class [Domain] Asset Class [Domain] Corporate debt securities [Member] Corporate Debt Securities [Member] Other Contract [Member] Other Contract [Member] Asset-backed Securities [Member] Asset-backed Securities [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. 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. 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. Contingent consideration liabilities [Member] Contingent Consideration Liability [Member] Contingent Consideration Liability [Member] Valuation Technique [Axis] Valuation Technique [Axis] Valuation Technique [Domain] Valuation Technique [Domain] Discounted cash flow [Member] Discounted Cash Flow Technique [Member] Discounted cash flow approach valuation technique used to measure fair value. Option Pricing Model Technique [Member] Option Pricing Model Technique [Member] Option Pricing Model Technique [Member] Weighted average [Member] Weighted Average [Member] Fair values of assets and liabilities Fair Value Inputs Assets (Liabilities) Quantitative Information [Line Items] -- None. No documentation exists for this element. -- Assets at fair value Assets, Fair Value Disclosure Yield/spread to U.S. Treasuries (as a percent) Fair Value Inputs Yield and Spread to Treasury 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. Correlation Fair value inputs correlation Fair value inputs correlation Annual short-term default rate Fair Value Inputs, Probability of Default, Short-Term Percentage of likelihood a loan will not be repaid and instead default over the short-term, used as an input to measure fair value. Annual long-term default rate Fair Value Inputs, Probability of Default, Long-Term Percentage of likelihood a loan will not be repaid and instead default over the long term, used as an input to measure fair value. Discount rate Fair Value Inputs, Discount Rate Constant prepayment rate Fair Value Inputs, Prepayment Rate Loss recovery (as a percent) Fair Value Inputs, Loss Severity Liabilities at fair value Financial and Nonfinancial Liabilities, Fair Value Disclosure Nonperformance risk (as a percent) Fair Value Inputs, Counterparty Credit Risk Surrender rate (as a percent) Fair Value Inputs Surrender Rate Represents the expected rate of surrender on policies, used as an input to measure fair value. Utilization of guaranteed withdrawals (as a percent) Fair Value Inputs Utilization of Guaranteed Withdrawals Represents the expected rate at which policyholders will utilize the guaranteed withdrawal on policies. Market volatility (as a percent) Fair Value Assumptions, Expected Volatility Rate Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities -- None. No documentation exists for this element. -- 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, 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, 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 [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] 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 annuities 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 disability income insurance [Member] Life and Disability Income Insurance [Member] Life and Disability Income Insurance [Member] Long term care insurance [Member] Long term care insurance [Member] Long term care insurance [Member] VUL/UL and other life insurance additional liabilities [Member] VUL/UL and other life insurance additional liabilities [Member] The amount represents portions of fixed and variable universal life contracts that have product features that result in profits followed by losses from the insurance component of the contract. Policyholder account balances Policyholder Funds Future policy benefits Liability for Future Policy Benefits Policy claims and other policyholders' funds Liability for Claims and Claims Adjustment Expense Policyholder account balances, future policy benefits and claims Policyholder Account Balances, Future Policy Benefits and Claims 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. Deferred acquisition costs and deferred sales inducement costs [Text Block] Deferred Acquisition Costs and Deferred Sales Inducement Costs Disclosures [Text Block] Discloses the balances of and changes in deferred acquisition costs and deferred sales inducement costs which may include the capitalization of costs, the amortization of costs and the impact of the change in net unrealized securities (gains) and losses. Net income Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Foreign currency translation adjustment Net unrealized gains (losses) on securities Net unrealized gains (losses) on derivatives Defined benefit plans Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Other Total comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Supplemental Cash Flow Information - Cash Reconciliation [Abstract] Supplemental Cash Flow Information - Cash Reconciliation [Abstract] 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] Ameriprise Financial [Member] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Restricted and segregated cash and investments 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). Less: Restricted and segregated investments Cash and Securities Segregated under Federal and Other Regulations Total cash, cash equivalents and restricted cash per consolidated statements of cash flows Cash, Cash equivalents and Restricted cash, at Carrying Value Amount of currency on hand as well as demand deposits with banks or financial institutions. It also includes restricted cash and the cash of the consolidated investment entities. 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 of 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] New Accounting Pronouncements and Changes in Accounting Principles [Abstract] Recent Accounting Pronouncements New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Assets Assets [Abstract] Separate account assets Separate Account Assets Receivables Receivables Includes reinsurance recoverable, accrued investment income, brokerage customer receivables, premiums due, securities borrowed and other receivables. Deferred acquisition costs Other assets Other Assets Total assets Liabilities and Equity [Abstract] Liabilities and Equity [Abstract] Liabilities Liabilities [Abstract] Policyholder account balances, future policy benefits and claims Customer deposits Deposits Short-term borrowings Short-term Debt Long-term debt Long-term Debt Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities Other liabilities Other Liabilities Total liabilities Liabilities Equity [Abstract] Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Ameriprise Financial, Inc. Common shares Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Retained earnings Retained Earnings (Accumulated Deficit) Treasury shares, at cost Treasury Stock, Value Accumulated other comprehensive income, net of tax Total equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and equity Liabilities and Equity OTTI Credit Losses Recognized in Earnings Rollforward Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward] Beginning balance Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held Credit losses for which an other-than-temporary impairment was previously recognized Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, Additional Credit Losses Reductions for securities sold during the period (realized) Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Securities Sold Ending balance 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] Accounting Standards Update 2014-09 [Member] Accounting Standards Update 2014-09 [Member] Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Axis] Initial Application Period Cumulative Effect Transition [Domain] Initial Application Period Cumulative Effect Transition [Domain] Previously reported [Member] Calculated under Revenue Guidance in Effect before Topic 606 [Member] Effect of change [Member] Difference between Revenue Guidance in Effect before and after Topic 606 [Member] Quantifying Misstatement in Current Year Financial Statements [Line Items] Quantifying Misstatement in Current Year Financial Statements [Line Items] Total revenues Total net revenues Total expenses Pretax income Net income Offsetting [Abstract] 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. State and municipal obligations [Member] US States and Political Subdivisions Debt Securities [Member] Foreign government bonds and obligations [Member] Foreign Government Debt Securities [Member] Common stocks [Member] Equity Securities [Member] 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 Financing Receivables [Text Block] Financing Receivables [Text Block] UL secondary guarantees [Member] UL Secondary Guarantees [Member] UL Secondary Guarantees [Member] Insurance Guarantees by Benefit Type Net amount at risk Weighted average attained age 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] Nonconsolidated VIEs [Member] Variable Interest Entity, Not Primary Beneficiary [Member] 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] 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] Non-U.S. series funds [Member] International Series Fund [Member] International Series Funds which are not consolidated on the balance sheet Affordable housing partnerships and other real estate partnerships[Member] Affordable housing partnerships [Member] Affordable housing partnerships which are not consolidated on the balance sheet [Member] Other investments [Member] Other Investments [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 and liabilities measured at fair value Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Assets Assets, Fair Value Disclosure [Abstract] Investments Investments, Fair Value Disclosure Receivables Accounts Receivable, Fair Value Disclosure Total assets at fair value Liabilities Liabilities, Fair Value Disclosure [Abstract] Debt Debt Instrument, Fair Value Disclosure Other liabilities Other Liabilities, Fair Value Disclosure Total liabilities at fair value 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 VIE liabilities Variable Interest Entity, Nonconsolidated, Carrying Amount, Liabilities Estimated fair value of CLO debt CLO debt valued using DCF model Debt of consolidated CLOs valued by using discounted cash flow method Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Derivatives designated as hedging instruments [Member] Designated as Hedging Instrument [Member] 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 annuities SMC embedded derivatives [Member] Stock Market Certificates Embedded Derivatives [Member] The embedded derivative related to stock market certificate products. Total embedded derivatives [Member] Embedded Derivative Financial Instruments [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Other assets [Member] Other Assets [Member] Other liabilities [Member] Other Liabilities [Member] 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. Customer deposits [Member] Deposits [Member] Derivatives and Hedging Activities Derivatives, Fair Value [Line Items] Notional amount Derivative, Notional Amount Derivative liability after application of master netting arrangements and cash collateral including embedded derivative liabilities Derivative Liability After Application Of Master Netting Arrangements And Cash Collateral Including Embedded Derivative Liabilities Fair value as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements and cash collateral. This amount includes the fair value of embedded derivative liabilities. The amount excludes the effect of securities collateral. Gross fair value of assets Derivative Asset, Fair Value, Gross Asset Gross fair value of liabilities Derivative Liability, Fair Value, Gross Liability Fair value of investment securities received as collateral Derivative Asset, Fair Value of Collateral 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 Fair value of investment securities received as collateral that were repledged Fair Value of Securities Received as Collateral that Have Been Resold or Repledged Accounting Changes and Error Corrections [Abstract] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Adjustments for New Accounting Pronouncements [Axis] Adjustments for Change in Accounting Principle [Axis] Adjustments for Change in Accounting Principle [Domain] Adjustments for Change in Accounting Principle [Domain] Revenue from contracts with customers standard [Member] Impact of fees previously recorded as a reduction of expenses New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification U.S. government and agencies obligations [Member] US Treasury and Government [Member] 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 Noncredit OTTI Other than temporary impairment noncredit and unrealized subsequent gains losses AFS Debt securities Amount of noncredit other-than-temporary impairment losses in AOCI including unrealized gains and losses subsequent to the initial measurement date for AFS Debt securities. Fair value of securities owned and pledged as collateral Security Owned and Pledged as Collateral, Fair Value Fair value of securities owned and pledged as collateral which are eligible for rehypothecation Financial Instruments Owned and Pledged as Collateral, Amount Eligible to be Repledged by Counterparty Fixed maturity securities as percentage of total investments Fixed Maturity Securities as Percentage of Total Investments The percentage of fixed maturity securities compared to total investments of the entity. Net investment income [Member] 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. 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. General and administrative expense [Member] General and Administrative Expense [Member] Foreign exchange contracts [Member] Impact of derivatives not designated as hedging instruments on Consolidated Statements of Income Amount of gain (loss) on derivatives recognized in income Derivative, Gain (Loss) on Derivative, Net Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Intersegment revenues, eliminations [Member] Consolidation, Eliminations [Member] Total Segment [Member] Total Segment [Member] Total Segment [Member] Segment information [Line Items] Segment Reporting Information [Line Items] Total segment net revenues before eliminations Segment Reporting Information Net Revenues Before Eliminations Segment Reporting Information Net Revenues Before Eliminations Eliminations Eliminations Eliminations of intercompany revenue Summary of segment operating results [Abstract] Segment Reporting Information, Profit (Loss) [Abstract] Net Realized Gains (Losses) Net Realized Gains (Losses) Represents the amount of net realized gains (losses) recognized for the period. Revenues attributable to CIEs Segment Reporting Information Revenue of Consolidated Investment Entities Represents the amount of revenues of the Consolidated Investment Entities. Market impact on IUL benefits Market Impact on IUL Benefits, Net Revenue Represents the revenue recognized on market impact on IUL benefits, net of hedges and the related DAC amortization, unearned revenue amortization, and the reinsurance accrual. Market impact of hedges on investments Market impact of hedges on investments Market impact of hedges on investments Reconciliation of operating profit (loss) from segments to consolidated Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] Total segment operating earnings Segment Reporting Information Operating Earnings Represents the operating earnings for reportable segments which is defined as operating revenues less operating expenses. Net Realized Gains (Losses) including DAC offset Net Realized Gains (Losses) including DAC offset Represents the amount of net realized gains (losses) recognized for the period including the deferred acquisition cost offset. Net income (loss) attributable to CIEs Segment Reporting Information Net Income of Consolidated Investment Entities Represents the amount of net income of the Consolidated Investment Entities. Market impact on variable annuity guaranteed benefits Market Impact on Variable Annuity Living Benefits Net of Hedges D S I C and D A C Amortization Represents the market impact on variable annuity living benefits, net of hedges, DSIC and DAC amortization, which includes changes in the GMWB and GMAB embedded derivative liability values caused by changes in financial market conditions, net of changes in associated hedge asset values. The market impact also includes certain valuation adjustments made in accordance with FASB Accounting Standards Codification 820, Fair Value Measurements and Disclosures (FAS 157), including the impact on GMWB and GMAB embedded derivative liability values of discounting projected benefits to reflect a current estimate of the company's life insurance subsidiary's nonperformance spread. Market impact on IUL benefits Market Impact on IUL Benefits, Net Earning (Loss) Represents the earning (loss) on market impact on IUL benefits, net of hedges and the related DAC amortization, unearned revenue amortization, and the reinsurance accrual. Market impact of hedges on investments Integration Related Costs Business Combination, Integration Related Costs Statement of Stockholders' Equity [Abstract] Cumulative effect of change in accounting policies - Recognition and measurement of financial instruments Common shares [Member] Common Stock [Member] Additional paid-in capital [Member] Additional Paid-in Capital [Member] Retained earnings [Member] Retained Earnings [Member] Treasury shares [Member] Treasury Stock [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Beginning balance (in shares) Common Stock, Shares, Outstanding Beginning balance Stockholders' Equity Attributable to Parent Cumulative effect of change in accounting policies Beginning balance, restated Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance Comprehensive income (loss) [Abstract] Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Other comprehensive income (loss), net of tax Total comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Dividends to shareholders Dividends, Common Stock Repurchase of common shares (in shares) Treasury Stock, Shares, Acquired Repurchase of common shares Treasury Stock, Value, Acquired, Cost Method Share-based compensation plans (in shares) Stock Issued During Period, Shares, Share-based Compensation, Gross Share-based compensation plans Stock Issued During Period, Value, Share-based Compensation, Gross Ending balance (in shares) Ending balance Summary of Investments [Table Text Block] Summary Investment Holdings [Table Text Block] Summary of Net Investment Income [Table Text Block] Summary of Net Investment Income [Table Text Block] Tabular disclosure of the summarized information related to net investment income. Available-for-Sale Securities Disclosure [Table Text Block] Available-for-sale Securities [Table Text Block] Fixed Maturity Securities by Rating Disclosure [Table Text Block] 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. Available-for-Sale Securities Continuous Unrealized Loss Disclosure [Table Text Block] Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block] Credit Losses on Available-for-Sale Securities Disclosure [Table Text Block] Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table Text Block] Net Realized Gains and Losses on Available-for-Sale Securities Disclosure [Table Text Block] Schedule of Realized Gain (Loss) [Table Text Block] Available-for-Sale Securities Contractual Maturity Disclosure [Table Text Block] Investments Classified by Contractual Maturity Date [Table Text Block] Stockholders' Equity Note [Abstract] Schedule of components of OCI [Table Text Block] Comprehensive Income (Loss) [Table Text Block] Schedule of amounts reclassified from AOCI [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Investments [Text Block] Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Policyholder Account Balances, Future Policy Benefits and Claims and Separate Account Liabilities [Text Block] Policyholder Account Balances and Future Policy Benefits and Claims and Separate Account Liabilities Disclosure [Text Block] Discloses the types of liabilities included in policyholder account balances and future policy benefits and claims on the Consolidated Balance Sheets. Offsetting Liabilities [Table] Offsetting Liabilities [Table] Transaction Type [Axis] Transaction Type [Axis] Transaction [Domain] Transaction [Domain] OTC [Member] Over the Counter [Member] OTC cleared [Member] Exchange Cleared [Member] Exchange-traded [Member] Exchange Traded [Member] Total derivatives [Member] Total Over the Counter Derivatives [Member] Total Over the Counter Derivatives [Member] Gross and net information about the liabilities subject to master netting arrangements Offsetting Liabilities [Line Items] Derivatives [Abstract] Offsetting Derivative Liabilities [Abstract] Gross amounts of recognized liabilities Gross amounts not offset in the consolidated balance sheets [Abstract] Derivative Liability, Fair Value, Amount Not Offset Against Collateral [Abstract] Financial instruments Derivative Liability Not Offset Financial Instruments The amount of derivative liabilities that could be offset by derivative assets subject to a master netting arrangement but management elects not to offset. Cash collateral Derivative, Collateral, Right to Reclaim Cash Securities collateral Derivative, Collateral, Right to Reclaim Securities Net amount Derivative Liability, Fair Value, Amount Offset Against Collateral Securities loaned [Abstract] Offsetting Securities Loaned [Abstract] Gross amounts of recognized liabilities Securities Loaned, Gross Gross amounts not offset in the consolidated balance sheets [Abstract] Securities Loaned Gross Amounts Not Offset [Abstract] -- None. No documentation exists for this element. -- Financial instruments Securities Loaned Not Offset Financial Instruments The amount of securities loaned that could be offset by securities borrowed subject to a master netting arrangements but management elects not to offset. Securities collateral Securities Loaned, Collateral, Right to Reclaim Securities Net amount Securities Loaned, Amount Offset Against Collateral Repurchase agreements [Abstract] Offsetting Securities Sold under Agreements to Repurchase Abstract -- None. No documentation exists for this element. -- Gross amounts of recognized liabilities Securities Sold under Agreements to Repurchase, Gross Gross amounts not offset in the consolidated balance sheets [Abstract] Securities Sold under Agreements to Repurchase Gross Amounts Not Offset Abstract -- None. No documentation exists for this element. -- Securities collateral Securities Sold under Agreements to Repurchase, Collateral, Right to Reclaim Securities Net amount Securities Sold under Agreements to Repurchase, Amount Offset Against Collateral Total [Abstract] Offsetting Derivative Liability Securities Sold Under Agreements to Repurchase Securities Loaned [Abstract] -- None. No documentation exists for this element. -- Gross amounts of recognized liabilities Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Gross Gross amounts not offset in the consolidated balance sheets [Abstract] Derivative Liability Securities Sold Under Agreements to Repurchase Securities Loaned Gross Amounts Not Offset [Abstract] -- None. No documentation exists for this element. -- Financial instruments Derivative Liability Securities Sold Under Agreements to Repurchase Securities Loaned Not Offset Financial Instruments The amount of derivative liabilities, securities sold under agreements to repurchase and securities loaned that could be offset by assets subject to a master netting arrangements but management elects not to offset. Cash collateral Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Collateral, Right to Reclaim Cash Securities collateral Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Collateral, Right to Reclaim Securities Net amount Derivative Liability, Securities Sold under Agreements to Repurchase, Securities Loaned, Amount Offset Against Collateral Regulatory Requirements [Abstract] Regulatory Requirements [Abstract] Regulatory Requirements [Text Block] Regulatory Requirements Disclosure [Text Block] This element may be used to capture the nature of any regulatory restrictions on the ability of the Company's subsidiaries to transfer funds to the parent company, including the amounts of such restricted net assets as of the end of the fiscal year. This element also captures any capital requirements of the entity's subsidiaries. Statement of Cash Flows [Abstract] Cash Flows from Operating Activities [Abstract] Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by (used in) 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 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 provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Cash Flows from Financing Activities 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 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. 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 from purchased options with deferred premiums Proceeds from Derivative Instrument, Financing Activities Repayments of long-term debt Repayments of Long-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 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. 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 and restricted cash, beginning balance Cash, cash equivalents and restricted cash, ending balance Line of Credit Facility [Table] Line of Credit Facility [Table] Line of Credit Facility Line of Credit Facility [Line Items] Current borrowing capacity for line of credit facility Line of Credit Facility, Current Borrowing Capacity Maximum borrowing capacity for line of credit facility Line of Credit Facility, Maximum Borrowing Capacity Line of credit borrowings outstanding Long-term Line of Credit Outstanding letters of credit issued against line of credit facility Letters of Credit Outstanding, Amount Segment Information[Text Block] Segment Reporting Disclosure [Text Block] Revenue from Contract with Customer [Abstract] Revenue from contracts with customers [Text Block] Revenue from Contract with Customer [Text Block] Earnings per share attributable to Ameriprise Financial, Inc. common shareholders [Text Block] Earnings Per Share [Text Block] Shareholders' Equity [Text Block] Stockholders' Equity Note Disclosure [Text Block] Revenue, Initial Application Period Cumulative Effect Transition [Abstract] Revenue, Initial Application Period Cumulative Effect Transition [Table] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Total liabilities Retained earnings Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Financing Receivables, Period Past Due [Axis] Financing Receivables, Period Past Due [Axis] Financing Receivables, Period Past Due [Domain] Financing Receivables, Period Past Due [Domain] Financing Receivables, Equal to Greater than 90 Days Past Due [Member] Financing Receivables, Equal to Greater than 90 Days Past Due [Member] Class of Financing Receivable, Type [Axis] Class of Financing Receivable, Type [Axis] Class of Financing Receivable, Type [Domain] Class of Financing Receivable, Type [Domain] 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] Apartment Building [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 [Member] Office Building [Member] Retail [Member] Retail Site [Member] Other [Member] Other Property [Member] Mortgage Loans on Real Estate [Line Items] Mortgage Loans on Real Estate [Line Items] Financing Receivable, Gross Financing Receivable, Gross 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. Nonperforming loans Financing Receivable, Recorded Investment, Past Due Variable interest entities [Text Block] Variable Interest Entity Disclosure [Text Block] Non-recurring basis [Member] Fair Value, Measurements, Nonrecurring [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Affordable housing partnerships, carrying value Fair Value, Option, Quantitative Disclosures [Table] Fair Value, Option, Quantitative Disclosures [Table] 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] Total net gains (losses) recognized in net investment income related to changes in the fair value of financial assets and liabilities for which the fair value option was elected Fair Value, Option, Changes in Fair Value, Gain (Loss) Syndicated loans [Abstract] Syndicated Loans [Abstract] -- None. No documentation exists for this element. -- Unpaid principal balance Principal Amount Outstanding of Loans Held-in-portfolio Excess unpaid principal over fair value Fair Value, Option, Aggregate Differences, Loans and Long-term Receivables Fair value Loans Receivable, Fair Value Disclosure Fair value of loans more than 90 days past due