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Investments - Available-for-Sale Securities by Type (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Investments |  |  |  |
Accrued interest excluded from amortized cost basis, location | Receivables | Receivables |  |
Ameriprise Financial |  |  |  |
Investments |  |  |  |
Amortized Cost | $ 53,048 | $ 43,384 |  |
Gross Unrealized Gains | 615 | 289 |  |
Gross Unrealized Losses | (2,099) | (2,840) |  |
Allowance for Credit Loss | (2) | (22) | $ (1) | $ (11)
Fair Value | 51,562 | 40,811 |  |
Accrued interest excluded from amortized cost basis | 319 | 237 |  |
Ameriprise Financial | Corporate debt securities |  |  |  |
Investments |  |  |  |
Amortized Cost | 12,675 | 10,361 |  |
Gross Unrealized Gains | 409 | 180 |  |
Gross Unrealized Losses | (507) | (823) |  |
Allowance for Credit Loss | (1) | (20) | 0 | (10)
Fair Value | 12,576 | 9,698 |  |
Ameriprise Financial | Residential mortgage backed securities |  |  |  |
Investments |  |  |  |
Amortized Cost | 22,130 | 17,056 |  |
Gross Unrealized Gains | 107 | 37 |  |
Gross Unrealized Losses | (1,171) | (1,390) |  |
Allowance for Credit Loss | 0 | 0 |  |
Fair Value | 21,066 | 15,703 |  |
Ameriprise Financial | Commercial mortgage backed securities |  |  |  |
Investments |  |  |  |
Amortized Cost | 6,380 | 6,648 |  |
Gross Unrealized Gains | 11 | 3 |  |
Gross Unrealized Losses | (341) | (439) |  |
Allowance for Credit Loss | 0 | 0 |  |
Fair Value | 6,050 | 6,212 |  |
Ameriprise Financial | Asset backed securities |  |  |  |
Investments |  |  |  |
Amortized Cost | 8,353 | 6,408 |  |
Gross Unrealized Gains | 25 | 14 |  |
Gross Unrealized Losses | (59) | (158) |  |
Allowance for Credit Loss | 0 | 0 | 0 | (1)
Fair Value | 8,319 | 6,264 |  |
Ameriprise Financial | State and municipal obligations |  |  |  |
Investments |  |  |  |
Amortized Cost | 719 | 773 |  |
Gross Unrealized Gains | 62 | 53 |  |
Gross Unrealized Losses | (20) | (27) |  |
Allowance for Credit Loss | (1) | (2) | $ (1) | $ 0
Fair Value | 760 | 797 |  |
Ameriprise Financial | U.S. government and agency obligations |  |  |  |
Investments |  |  |  |
Amortized Cost | 2,739 | 2,079 |  |
Gross Unrealized Gains | 1 | 1 |  |
Gross Unrealized Losses | 0 | (1) |  |
Allowance for Credit Loss | 0 | 0 |  |
Fair Value | 2,740 | 2,079 |  |
Ameriprise Financial | Foreign government bonds and obligations |  |  |  |
Investments |  |  |  |
Amortized Cost | 19 | 43 |  |
Gross Unrealized Gains | 0 | 0 |  |
Gross Unrealized Losses | (1) | (2) |  |
Allowance for Credit Loss | 0 | 0 |  |
Fair Value | 18 | 41 |  |
Ameriprise Financial | Other securities |  |  |  |
Investments |  |  |  |
Amortized Cost | 33 | 16 |  |
Gross Unrealized Gains | 0 | 1 |  |
Gross Unrealized Losses | 0 | 0 |  |
Allowance for Credit Loss | 0 | 0 |  |
Fair Value | $ 33 | $ 17 |  |

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