v3.26.1
Investments - Securities available for sale in a loss position (Details)
$ in Millions
Mar. 31, 2026
USD ($)
security
Dec. 31, 2025
USD ($)
security
Fair Value    
Less Than 12 Months $ 48,048 $ 26,028
12 Months or More 73,662 77,115
Total 121,710 103,143
Gross Unrealized Losses    
Less Than 12 Months 2,149 1,685
12 Months or More 16,926 15,932
Total $ 19,075 $ 17,617
Number of securities in an unrealized loss position | security 12,907 11,154
Number of individual securities in continuous unrealized loss position for longer than twelve months | security 8,390 8,986
U.S. government and government sponsored entities    
Fair Value    
Less Than 12 Months $ 72 $ 54
12 Months or More 872 875
Total 944 929
Gross Unrealized Losses    
Less Than 12 Months 2 1
12 Months or More 339 328
Total 341 329
Obligations of states, municipalities and political subdivisions    
Fair Value    
Less Than 12 Months 522 407
12 Months or More 2,929 3,303
Total 3,451 3,710
Gross Unrealized Losses    
Less Than 12 Months 54 46
12 Months or More 637 644
Total 691 690
Non-U.S. governments    
Fair Value    
Less Than 12 Months 935 360
12 Months or More 2,113 2,515
Total 3,048 2,875
Gross Unrealized Losses    
Less Than 12 Months 70 32
12 Months or More 629 585
Total 699 617
Corporate debt    
Fair Value    
Less Than 12 Months 30,961 16,178
12 Months or More 51,582 55,136
Total 82,543 71,314
Gross Unrealized Losses    
Less Than 12 Months 1,772 1,351
12 Months or More 13,824 13,002
Total 15,596 14,353
RMBS    
Fair Value    
Less Than 12 Months 3,210 1,949
12 Months or More 4,574 4,146
Total 7,784 6,095
Gross Unrealized Losses    
Less Than 12 Months 84 139
12 Months or More 517 446
Total 601 585
CMBS    
Fair Value    
Less Than 12 Months 2,400 1,023
12 Months or More 4,557 4,785
Total 6,957 5,808
Gross Unrealized Losses    
Less Than 12 Months 20 14
12 Months or More 484 478
Total 504 492
CLO    
Fair Value    
Less Than 12 Months 3,964 2,826
12 Months or More 1,619 658
Total 5,583 3,484
Gross Unrealized Losses    
Less Than 12 Months 56 36
12 Months or More 31 12
Total 87 48
ABS    
Fair Value    
Less Than 12 Months 5,984 3,231
12 Months or More 5,416 5,697
Total 11,400 8,928
Gross Unrealized Losses    
Less Than 12 Months 91 66
12 Months or More 465 437
Total $ 556 $ 503