v3.26.1
Fair Value (Recurring Fair Value Measurements) (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Assets [Abstract]    
Fixed maturity securities, at estimated fair value $ 81,232 $ 82,014
Trading securities 544 506
Equity securities 76 79
Short-term investments 1,236 1,197
Derivative assets 8,448 6,779
Embedded derivatives on index-linked annuities (2) 69 79
Market risk benefit assets 850 1,060
Separate account assets 80,821 85,528
Total assets 173,276 177,242
Liabilities [Abstract]    
Market risk benefit liabilities 8,564 8,063
Derivative liabilities 7,863 5,234
Embedded derivatives on index-linked annuities (2) 10,666 12,406
Total liabilities 27,093 25,703
Interest rate    
Assets [Abstract]    
Derivative assets 278 297
Liabilities [Abstract]    
Derivative liabilities 2,109 2,082
Foreign currency exchange rate    
Assets [Abstract]    
Derivative assets 436 350
Liabilities [Abstract]    
Derivative liabilities 60 88
Credit    
Assets [Abstract]    
Derivative assets 19 11
Equity market    
Assets [Abstract]    
Derivative assets 7,715 6,121
Liabilities [Abstract]    
Derivative liabilities 5,694 3,064
U.S. corporate    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 38,336 38,909
Foreign corporate    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 11,103 11,497
RMBS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 8,879 8,532
U.S. government and agency    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 6,663 6,711
ABS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 6,102 6,059
CMBS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 5,840 5,870
State and political subdivision    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 3,414 3,494
Foreign government    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 895 942
Level 1    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 2,454 2,450
Trading securities 96 87
Equity securities 65 68
Short-term investments 1,011 918
Derivative assets 45 6
Embedded derivatives on index-linked annuities (2) 0 0
Market risk benefit assets 0 0
Separate account assets 19 10
Total assets 3,690 3,539
Liabilities [Abstract]    
Market risk benefit liabilities 0 0
Derivative liabilities 42 4
Embedded derivatives on index-linked annuities (2) 0 0
Total liabilities 42 4
Level 1 | Interest rate    
Assets [Abstract]    
Derivative assets 0 0
Liabilities [Abstract]    
Derivative liabilities 0 0
Level 1 | Foreign currency exchange rate    
Assets [Abstract]    
Derivative assets 0 0
Liabilities [Abstract]    
Derivative liabilities 0 0
Level 1 | Credit    
Assets [Abstract]    
Derivative assets 0 0
Level 1 | Equity market    
Assets [Abstract]    
Derivative assets 45 6
Liabilities [Abstract]    
Derivative liabilities 42 4
Level 1 | U.S. corporate    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Level 1 | Foreign corporate    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Level 1 | RMBS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Level 1 | U.S. government and agency    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 2,454 2,450
Level 1 | ABS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Level 1 | CMBS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Level 1 | State and political subdivision    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Level 1 | Foreign government    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Level 2    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 77,474 78,471
Trading securities 448 419
Equity securities 5 5
Short-term investments 225 273
Derivative assets 8,396 6,767
Embedded derivatives on index-linked annuities (2) 0 0
Market risk benefit assets 0 0
Separate account assets 80,802 85,518
Total assets 167,350 171,453
Liabilities [Abstract]    
Market risk benefit liabilities 0 0
Derivative liabilities 7,821 5,230
Embedded derivatives on index-linked annuities (2) 0 0
Total liabilities 7,821 5,230
Level 2 | Interest rate    
Assets [Abstract]    
Derivative assets 278 297
Liabilities [Abstract]    
Derivative liabilities 2,109 2,082
Level 2 | Foreign currency exchange rate    
Assets [Abstract]    
Derivative assets 430 346
Liabilities [Abstract]    
Derivative liabilities 60 88
Level 2 | Credit    
Assets [Abstract]    
Derivative assets 18 9
Level 2 | Equity market    
Assets [Abstract]    
Derivative assets 7,670 6,115
Liabilities [Abstract]    
Derivative liabilities 5,652 3,060
Level 2 | U.S. corporate    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 37,566 38,267
Level 2 | Foreign corporate    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 10,974 11,339
Level 2 | RMBS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 8,790 8,508
Level 2 | U.S. government and agency    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 4,209 4,261
Level 2 | ABS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 5,810 5,814
Level 2 | CMBS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 5,840 5,870
Level 2 | State and political subdivision    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 3,414 3,494
Level 2 | Foreign government    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 871 918
Level 3    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 1,304 1,093
Trading securities 0 0
Equity securities 6 6
Short-term investments 0 6
Derivative assets 7 6
Embedded derivatives on index-linked annuities (2) 69 79
Market risk benefit assets 850 1,060
Separate account assets 0 0
Total assets 2,236 2,250
Liabilities [Abstract]    
Market risk benefit liabilities 8,564 8,063
Derivative liabilities 0 0
Embedded derivatives on index-linked annuities (2) 10,666 12,406
Total liabilities 19,230 20,469
Level 3 | Interest rate    
Assets [Abstract]    
Derivative assets 0 0
Liabilities [Abstract]    
Derivative liabilities 0 0
Level 3 | Foreign currency exchange rate    
Assets [Abstract]    
Derivative assets 6 4
Liabilities [Abstract]    
Derivative liabilities 0 0
Level 3 | Credit    
Assets [Abstract]    
Derivative assets 1 2
Level 3 | Equity market    
Assets [Abstract]    
Derivative assets 0 0
Liabilities [Abstract]    
Derivative liabilities 0 0
Level 3 | U.S. corporate    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 770 642
Level 3 | Foreign corporate    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 129 158
Level 3 | RMBS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 89 24
Level 3 | U.S. government and agency    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Level 3 | ABS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 292 245
Level 3 | CMBS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Level 3 | State and political subdivision    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Level 3 | Foreign government    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value $ 24 $ 24