v3.26.1
Investments - Available-for Sale Securities in Continuous Unrealized Loss Position (Details) - Ameriprise Financial
$ in Millions
Mar. 31, 2026
USD ($)
security
Dec. 31, 2025
USD ($)
security
Number of securities    
Less than 12 months | security 567 203
12 months or more | security 1,107 1,184
Total | security 1,674 1,387
Fair Value    
Less than 12 months $ 14,764 $ 3,825
12 months or more 14,340 15,924
Total 29,104 19,749
Unrealized Losses    
Less than 12 months (193) (53)
12 months or more (1,308) (1,216)
Total $ (1,501) $ (1,269)
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 248 108
12 months or more | security 304 314
Total | security 552 422
Fair Value    
Less than 12 months $ 4,320 $ 1,560
12 months or more 5,043 5,175
Total 9,363 6,735
Unrealized Losses    
Less than 12 months (107) (48)
12 months or more (503) (416)
Total $ (610) $ (464)
Residential mortgage backed securities    
Number of securities    
Less than 12 months | security 230 64
12 months or more | security 581 636
Total | security 811 700
Fair Value    
Less than 12 months $ 7,754 $ 1,892
12 months or more 6,895 8,033
Total 14,649 9,925
Unrealized Losses    
Less than 12 months (75) (3)
12 months or more (671) (663)
Total $ (746) $ (666)
Commercial mortgage backed securities    
Number of securities    
Less than 12 months | security 23 10
12 months or more | security 155 165
Total | security 178 175
Fair Value    
Less than 12 months $ 592 $ 167
12 months or more 2,039 2,334
Total 2,631 2,501
Unrealized Losses    
Less than 12 months (7) 0
12 months or more (102) (103)
Total $ (109) $ (103)
Asset backed securities    
Number of securities    
Less than 12 months | security 32 4
12 months or more | security 27 30
Total | security 59 34
Fair Value    
Less than 12 months $ 1,049 $ 56
12 months or more 227 255
Total 1,276 311
Unrealized Losses    
Less than 12 months (2) 0
12 months or more (18) (21)
Total $ (20) $ (21)
State and municipal obligations    
Number of securities    
Less than 12 months | security 15 14
12 months or more | security 40 39
Total | security 55 53
Fair Value    
Less than 12 months $ 80 $ 90
12 months or more 136 127
Total 216 217
Unrealized Losses    
Less than 12 months (2) (2)
12 months or more (14) (13)
Total $ (16) $ (15)
U.S. government and agency obligations    
Number of securities    
Less than 12 months | security 19 3
12 months or more | security 0 0
Total | security 19 3
Fair Value    
Less than 12 months $ 969 $ 60
12 months or more 0 0
Total 969 60
Unrealized Losses    
Less than 12 months 0 0
12 months or more 0 0
Total $ 0 $ 0