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Investments - Summary of Fixed Maturity Securities by Rating (Details) - Ameriprise Financial - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
Investments |  |
Fixed maturity securities rated internally | $ 471 | $ 400
Amortized Cost | 32,433 | 30,541
Fair Value | 32,330 | 32,050
Holdings of single issuer greater than 10% of equity | 0 | 0
AAA |  |
Investments |  |
Amortized Cost | 22,172 | 20,563
Fair Value | 21,546 | 20,625
AA |  |
Investments |  |
Amortized Cost | 748 | 727
Fair Value | 858 | 898
A |  |
Investments |  |
Amortized Cost | 1,786 | 1,775
Fair Value | 1,991 | 2,129
BBB |  |
Investments |  |
Amortized Cost | 6,941 | 6,495
Fair Value | 7,135 | 7,268
Below investment grade |  |
Investments |  |
Amortized Cost | 786 | 981
Fair Value | 800 | 1,130
CLOs | Below investment grade |  |
Investments |  |
Amortized Cost | 1 | 1
Fair Value | $ 2 | $ 2
Total investments | Credit concentration risk | Fixed maturity securities |  |
Investments |  |
Percentage of total | 90.00% | 89.00%
Fixed maturity securities | Credit concentration risk |  |
Investments |  |
Percentage of total | 100.00% | 100.00%
Fixed maturity securities | Credit concentration risk | AAA |  |
Investments |  |
Percentage of total | 67.00% | 64.00%
Fixed maturity securities | Credit concentration risk | AA |  |
Investments |  |
Percentage of total | 3.00% | 3.00%
Fixed maturity securities | Credit concentration risk | A |  |
Investments |  |
Percentage of total | 6.00% | 7.00%
Fixed maturity securities | Credit concentration risk | BBB |  |
Investments |  |
Percentage of total | 22.00% | 23.00%
Fixed maturity securities | Credit concentration risk | Below investment grade |  |
Investments |  |
Percentage of total | 2.00% | 3.00%
Fixed maturity securities | Credit concentration risk | GNMA, FNMA and FHLMC mortgage backed securities. | AAA |  |
Investments |  |
Percentage of total | 30.00% | 30.00%

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