v3.26.3
Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Assets:    
Bonds available for sale $ 71,642 $ 71,032
Other bond securities 649 741
Equity securities 1,058 502
Derivative assets 296 338
Counterparty netting (142) (164)
Cash Collateral $ (143) $ (169)
Derivative Asset, Statement of Financial Position [Extensible Enumeration] Other assets Other assets
Derivative assets $ 11 $ 5
Short-term investments 10,183 11,141
Liabilities:    
Derivative liabilities 330 465
Counterparty netting (142) (164)
Cash Collateral $ (138) $ (212)
Derivative Liability, Statement of Financial Position [Extensible Enumeration] Other Liabilities Other Liabilities
Total derivative liabilities on consolidated balance sheet $ 50 $ 89
Fair Value Using NAV Per Share (or its equivalent) 3,099 3,456
Corebridge Financial Inc    
Liabilities:    
Corebridge retained investment   1,500
Onex Corporation    
Assets:    
Equity securities 540  
U.S. government and government sponsored entities    
Assets:    
Bonds available for sale 3,624 3,298
Obligations of states, municipalities and political subdivisions    
Assets:    
Bonds available for sale 2,329 2,775
Non-U.S. governments    
Assets:    
Bonds available for sale 6,173 6,516
Corporate debt    
Assets:    
Bonds available for sale 38,283 37,235
RMBS    
Assets:    
Bonds available for sale 11,030 10,168
CMBS    
Assets:    
Bonds available for sale 4,750 4,616
CLO/ABS    
Assets:    
Bonds available for sale 5,453 6,424
Levels 1, 2 and 3    
Assets:    
Bonds available for sale 71,642 71,032
Other bond securities 649 741
Equity securities 1,058 502
Other invested assets 215 1,747
Derivative assets 11 5
Short-term investments 4,530 5,909
Other assets   130
Total 78,105 80,066
Liabilities:    
Total derivative liabilities on consolidated balance sheet 50 89
Fortitude Re funds withheld payable (184) (92)
Other liabilities 82 73
Total (52) 70
Levels 1, 2 and 3 | U.S. government and government sponsored entities    
Assets:    
Bonds available for sale 3,624 3,298
Levels 1, 2 and 3 | Obligations of states, municipalities and political subdivisions    
Assets:    
Bonds available for sale 2,329 2,775
Other bond securities 47 51
Levels 1, 2 and 3 | Non-U.S. governments    
Assets:    
Bonds available for sale 6,173 6,516
Other bond securities 21 23
Levels 1, 2 and 3 | Corporate debt    
Assets:    
Bonds available for sale 38,283 37,235
Other bond securities 200 274
Levels 1, 2 and 3 | RMBS    
Assets:    
Bonds available for sale 11,030 10,168
Other bond securities 89 97
Levels 1, 2 and 3 | CMBS    
Assets:    
Bonds available for sale 4,750 4,616
Other bond securities 35 42
Levels 1, 2 and 3 | CLO/ABS    
Assets:    
Bonds available for sale 5,453 6,424
Other bond securities 257 254
Level 1    
Assets:    
Bonds available for sale 818 275
Other bond securities 0 0
Equity securities 973 446
Other invested assets 0 1,512
Derivative assets 0 0
Short-term investments 4,282 4,106
Other assets   0
Total 6,073 6,339
Liabilities:    
Derivative liabilities 0 0
Fortitude Re funds withheld payable 0 0
Other liabilities 0 0
Total 0 0
Level 1 | U.S. government and government sponsored entities    
Assets:    
Bonds available for sale 586 209
Level 1 | Obligations of states, municipalities and political subdivisions    
Assets:    
Bonds available for sale 0 0
Other bond securities 0 0
Level 1 | Non-U.S. governments    
Assets:    
Bonds available for sale 232 66
Other bond securities 0 0
Level 1 | Corporate debt    
Assets:    
Bonds available for sale 0 0
Other bond securities 0 0
Level 1 | RMBS    
Assets:    
Bonds available for sale 0 0
Other bond securities 0 0
Level 1 | CMBS    
Assets:    
Bonds available for sale 0 0
Other bond securities 0 0
Level 1 | CLO/ABS    
Assets:    
Bonds available for sale 0 0
Other bond securities 0 0
Level 2    
Assets:    
Bonds available for sale 67,416 67,306
Other bond securities 493 571
Equity securities 4 1
Other invested assets 137 143
Derivative assets 272 312
Short-term investments 248 1,803
Other assets   0
Total 68,570 70,136
Liabilities:    
Derivative liabilities 306 439
Fortitude Re funds withheld payable 0 0
Other liabilities 1 0
Total 307 439
Level 2 | U.S. government and government sponsored entities    
Assets:    
Bonds available for sale 3,038 3,089
Level 2 | Obligations of states, municipalities and political subdivisions    
Assets:    
Bonds available for sale 2,325 2,771
Other bond securities 47 51
Level 2 | Non-U.S. governments    
Assets:    
Bonds available for sale 5,941 6,427
Other bond securities 21 23
Level 2 | Corporate debt    
Assets:    
Bonds available for sale 38,249 37,122
Other bond securities 200 274
Level 2 | RMBS    
Assets:    
Bonds available for sale 9,680 8,622
Other bond securities 39 46
Level 2 | CMBS    
Assets:    
Bonds available for sale 4,720 4,592
Other bond securities 35 42
Level 2 | CLO/ABS    
Assets:    
Bonds available for sale 3,463 4,683
Other bond securities 151 135
Level 3    
Assets:    
Bonds available for sale 3,408 3,451
Other bond securities 156 170
Equity securities 81 55
Other invested assets 78 92
Derivative assets 24 26
Short-term investments 0 0
Other assets   130
Total 3,747 3,924
Liabilities:    
Derivative liabilities 24 26
Fortitude Re funds withheld payable (184) (92)
Other liabilities 81 73
Total (79) 7
Level 3 | U.S. government and government sponsored entities    
Assets:    
Bonds available for sale 0 0
Level 3 | Obligations of states, municipalities and political subdivisions    
Assets:    
Bonds available for sale 4 4
Other bond securities 0 0
Level 3 | Non-U.S. governments    
Assets:    
Bonds available for sale 0 23
Other bond securities 0 0
Level 3 | Corporate debt    
Assets:    
Bonds available for sale 34 113
Other bond securities 0 0
Level 3 | RMBS    
Assets:    
Bonds available for sale 1,350 1,546
Other bond securities 50 51
Level 3 | CMBS    
Assets:    
Bonds available for sale 30 24
Other bond securities 0 0
Level 3 | CLO/ABS    
Assets:    
Bonds available for sale 1,990 1,741
Other bond securities 106 119
Fair Value Measured at Net Asset Value Per Share    
Liabilities:    
Fair Value Using NAV Per Share (or its equivalent) $ 2,900 $ 3,300