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Investments - Available-for Sale Securities in Continuous Unrealized Loss Position (Details) - Ameriprise Financial $ in Millions | Jun. 30, 2024 USD ($) security | Dec. 31, 2023 USD ($) security
--- | --- | ---
Number of securities |  |
Less than 12 months | security | 412 | 275
12 months or more | security | 1,525 | 1,556
Total | security | 1,937 | 1,831
Fair Value |  |
Less than 12 months | $ 10,287 | $ 6,944
12 months or more | 22,135 | 22,956
Total | 32,422 | 29,900
Unrealized Losses |  |
Less than 12 months | (87) | (48)
12 months or more | (2,179) | (2,051)
Total | $ (2,266) | $ (2,099)
Available-for-Sale Securities with gross unrealized losses considered investment grade (as a percent) | 97.00% | 96.00%
Corporate debt securities |  |
Number of securities |  |
Less than 12 months | security | 211 | 97
12 months or more | security | 364 | 376
Total | security | 575 | 473
Fair Value |  |
Less than 12 months | $ 3,281 | $ 1,276
12 months or more | 5,514 | 5,197
Total | 8,795 | 6,473
Unrealized Losses |  |
Less than 12 months | (54) | (11)
12 months or more | (609) | (496)
Total | $ (663) | $ (507)
Residential mortgage backed securities |  |
Number of securities |  |
Less than 12 months | security | 125 | 82
12 months or more | security | 757 | 734
Total | security | 882 | 816
Fair Value |  |
Less than 12 months | $ 4,126 | $ 3,052
12 months or more | 11,450 | 10,677
Total | 15,576 | 13,729
Unrealized Losses |  |
Less than 12 months | (29) | (25)
12 months or more | (1,203) | (1,146)
Total | $ (1,232) | $ (1,171)
Commercial mortgage backed securities |  |
Number of securities |  |
Less than 12 months | security | 19 | 31
12 months or more | security | 272 | 277
Total | security | 291 | 308
Fair Value |  |
Less than 12 months | $ 498 | $ 747
12 months or more | 4,120 | 4,092
Total | 4,618 | 4,839
Unrealized Losses |  |
Less than 12 months | (2) | (9)
12 months or more | (302) | (332)
Total | $ (304) | $ (341)
Asset backed securities |  |
Number of securities |  |
Less than 12 months | security | 24 | 49
12 months or more | security | 82 | 116
Total | security | 106 | 165
Fair Value |  |
Less than 12 months | $ 563 | $ 885
12 months or more | 909 | 2,840
Total | 1,472 | 3,725
Unrealized Losses |  |
Less than 12 months | (1) | (2)
12 months or more | (46) | (57)
Total | $ (47) | $ (59)
State and municipal obligations |  |
Number of securities |  |
Less than 12 months | security | 12 | 5
12 months or more | security | 46 | 49
Total | security | 58 | 54
Fair Value |  |
Less than 12 months | $ 31 | $ 29
12 months or more | 130 | 138
Total | 161 | 167
Unrealized Losses |  |
Less than 12 months | (1) | (1)
12 months or more | (18) | (19)
Total | $ (19) | $ (20)
U.S. government and agencies obligations |  |
Number of securities |  |
Less than 12 months | security | 20 | 11
12 months or more | security | 1 | 1
Total | security | 21 | 12
Fair Value |  |
Less than 12 months | $ 1,783 | $ 955
12 months or more | 0 | 0
Total | 1,783 | 955
Unrealized Losses |  |
Less than 12 months | 0 | 0
12 months or more | 0 | 0
Total | $ 0 | $ 0
Foreign government bonds and obligations |  |
Number of securities |  |
Less than 12 months | security | 1 | 0
12 months or more | security | 3 | 3
Total | security | 4 | 3
Fair Value |  |
Less than 12 months | $ 5 | $ 0
12 months or more | 12 | 12
Total | 17 | 12
Unrealized Losses |  |
Less than 12 months | 0 | 0
12 months or more | (1) | (1)
Total | $ (1) | $ (1)

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