v3.26.1
Investments - Available for Sale Securities in Continuous Unrealized Loss Position (Details)
$ in Millions
Jun. 30, 2026
USD ($)
security
Dec. 31, 2025
USD ($)
security
Fair Value    
Fair Value, Less than 12 Months $ 24,183 $ 10,186
Fair Value, 12 Months or More 11,571 12,868
Fair Value, Total 35,754 23,054
Gross Unrealized Losses    
Gross Unrealized Losses, Less than 12 Months 326 193
Gross Unrealized Losses, 12 Months or More 1,609 1,675
Gross Unrealized Losses, Total $ 1,935 $ 1,868
Number of securities in an unrealized loss position | security 10,882 7,526
Number of individual securities in continuous unrealized loss position for longer than twelve months | security 3,996 4,065
U.S. government and government sponsored entities    
Fair Value    
Fair Value, Less than 12 Months $ 1,672 $ 167
Fair Value, 12 Months or More 260 322
Fair Value, Total 1,932 489
Gross Unrealized Losses    
Gross Unrealized Losses, Less than 12 Months 12 8
Gross Unrealized Losses, 12 Months or More 80 78
Gross Unrealized Losses, Total 92 86
Obligations of states, municipalities and political subdivisions    
Fair Value    
Fair Value, Less than 12 Months 546 232
Fair Value, 12 Months or More 530 515
Fair Value, Total 1,076 747
Gross Unrealized Losses    
Gross Unrealized Losses, Less than 12 Months 7 8
Gross Unrealized Losses, 12 Months or More 47 45
Gross Unrealized Losses, Total 54 53
Non-U.S. governments    
Fair Value    
Fair Value, Less than 12 Months 1,854 1,524
Fair Value, 12 Months or More 1,455 1,347
Fair Value, Total 3,309 2,871
Gross Unrealized Losses    
Gross Unrealized Losses, Less than 12 Months 32 33
Gross Unrealized Losses, 12 Months or More 335 336
Gross Unrealized Losses, Total 367 369
Corporate debt    
Fair Value    
Fair Value, Less than 12 Months 12,120 6,031
Fair Value, 12 Months or More 7,146 8,165
Fair Value, Total 19,266 14,196
Gross Unrealized Losses    
Gross Unrealized Losses, Less than 12 Months 191 125
Gross Unrealized Losses, 12 Months or More 857 927
Gross Unrealized Losses, Total 1,048 1,052
RMBS    
Fair Value    
Fair Value, Less than 12 Months 4,495 769
Fair Value, 12 Months or More 1,595 1,764
Fair Value, Total 6,090 2,533
Gross Unrealized Losses    
Gross Unrealized Losses, Less than 12 Months 53 8
Gross Unrealized Losses, 12 Months or More 262 241
Gross Unrealized Losses, Total 315 249
CMBS    
Fair Value    
Fair Value, Less than 12 Months 1,436 580
Fair Value, 12 Months or More 472 523
Fair Value, Total 1,908 1,103
Gross Unrealized Losses    
Gross Unrealized Losses, Less than 12 Months 15 6
Gross Unrealized Losses, 12 Months or More 21 30
Gross Unrealized Losses, Total 36 36
CLO/ABS    
Fair Value    
Fair Value, Less than 12 Months 2,060 883
Fair Value, 12 Months or More 113 232
Fair Value, Total 2,173 1,115
Gross Unrealized Losses    
Gross Unrealized Losses, Less than 12 Months 16 5
Gross Unrealized Losses, 12 Months or More 7 18
Gross Unrealized Losses, Total $ 23 $ 23