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Investments - Summary of Net Investment Income (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Summary of net investment income |  |  |  |
Net investment income | $ 773 | $ 300 | $ 1,428 | $ 933
Ameriprise Financial |  |  |  |
Summary of net investment income |  |  |  |
Investment income on fixed maturities | 202 | 275 | 733 | 887
Net realized gains (losses) | 546 | 4 | 627 | (18)
Affordable housing partnerships | (20) | (14) | (58) | (50)
Other | 1 | 13 | 28 | 58
Consolidated investment entities |  |  |  |
Summary of net investment income |  |  |  |
Net investment income | $ 44 | $ 22 | $ 98 | $ 56

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- Definition Amount, after investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Includes realized and unrealized gain (loss) on investments. + References No definition available. + Details
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- Definition Amount of investment income (loss) of qualified affordable housing project investments accounted for using the equity method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 740 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=116633289&loc=SL49122993-202985 + Details
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- Definition Amount of interest income, amortization of premium and accretion of discount, on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in net income (trading); classified as operating. + References No definition available. + Details
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- Definition Amount of realized gain (loss) on investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.3(a)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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