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 $ 80,143 $ 80,960
Trading securities 544 506
Equity securities 22 23
Derivative assets 8,439 6,771
Market risk benefit assets 850 1,060
Separate account assets 74,551 78,825
Liabilities [Abstract]    
Market risk benefit liabilities 8,579 8,079
Derivative liabilities 7,863 5,234
Recurring    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 80,143 80,960
Trading securities 544 506
Equity securities 22 23
Short-term investments 781 668
Derivative assets 8,439 6,771
Embedded derivatives on index-linked annuities (2) 69 79
Market risk benefit assets 850 1,060
Separate account assets 74,551 78,825
Total assets 165,399 168,892
Liabilities [Abstract]    
Market risk benefit liabilities 8,579 8,079
Derivative liabilities 7,863 5,234
Embedded derivatives on index-linked annuities (2) 10,666 12,406
Total liabilities 27,108 25,719
Recurring | Interest rate    
Assets [Abstract]    
Derivative assets 278 297
Liabilities [Abstract]    
Derivative liabilities 2,109 2,082
Recurring | Foreign currency exchange rate    
Assets [Abstract]    
Derivative assets 427 342
Liabilities [Abstract]    
Derivative liabilities 60 88
Recurring | Credit    
Assets [Abstract]    
Derivative assets 19 11
Recurring | Equity market    
Assets [Abstract]    
Derivative assets 7,715 6,121
Liabilities [Abstract]    
Derivative liabilities 5,694 3,064
Recurring | U.S. corporate    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 37,845 38,409
Recurring | Foreign corporate    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 11,049 11,434
Recurring | RMBS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 8,825 8,476
Recurring | U.S. government and agency    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 6,341 6,445
Recurring | ABS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 6,074 6,031
Recurring | CMBS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 5,770 5,800
Recurring | State and political subdivision    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 3,343 3,423
Recurring | Foreign government    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 896 942
Recurring | Level 1    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 2,197 2,249
Trading securities 96 87
Equity securities 11 12
Short-term investments 686 559
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 3,054 2,923
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
Recurring | Level 1 | Interest rate    
Assets [Abstract]    
Derivative assets 0 0
Liabilities [Abstract]    
Derivative liabilities 0 0
Recurring | Level 1 | Foreign currency exchange rate    
Assets [Abstract]    
Derivative assets 0 0
Liabilities [Abstract]    
Derivative liabilities 0 0
Recurring | Level 1 | Credit    
Assets [Abstract]    
Derivative assets 0 0
Recurring | Level 1 | Equity market    
Assets [Abstract]    
Derivative assets 45 6
Liabilities [Abstract]    
Derivative liabilities 42 4
Recurring | Level 1 | U.S. corporate    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Recurring | Level 1 | Foreign corporate    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Recurring | Level 1 | RMBS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Recurring | Level 1 | U.S. government and agency    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 2,197 2,249
Recurring | Level 1 | ABS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Recurring | Level 1 | CMBS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Recurring | Level 1 | State and political subdivision    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Recurring | Level 1 | Foreign government    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Recurring | Level 2    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 76,644 77,620
Trading securities 448 419
Equity securities 5 5
Short-term investments 95 103
Derivative assets 8,387 6,759
Embedded derivatives on index-linked annuities (2) 0 0
Market risk benefit assets 0 0
Separate account assets 74,532 78,815
Total assets 160,111 163,721
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
Recurring | Level 2 | Interest rate    
Assets [Abstract]    
Derivative assets 278 297
Liabilities [Abstract]    
Derivative liabilities 2,109 2,082
Recurring | Level 2 | Foreign currency exchange rate    
Assets [Abstract]    
Derivative assets 421 338
Liabilities [Abstract]    
Derivative liabilities 60 88
Recurring | Level 2 | Credit    
Assets [Abstract]    
Derivative assets 18 9
Recurring | Level 2 | Equity market    
Assets [Abstract]    
Derivative assets 7,670 6,115
Liabilities [Abstract]    
Derivative liabilities 5,652 3,060
Recurring | Level 2 | U.S. corporate    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 37,077 37,769
Recurring | Level 2 | Foreign corporate    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 10,920 11,276
Recurring | Level 2 | RMBS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 8,736 8,452
Recurring | Level 2 | U.S. government and agency    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 4,144 4,196
Recurring | Level 2 | ABS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 5,782 5,786
Recurring | Level 2 | CMBS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 5,770 5,800
Recurring | Level 2 | State and political subdivision    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 3,343 3,423
Recurring | Level 2 | Foreign government    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 872 918
Recurring | Level 3    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 1,302 1,091
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 2,234 2,248
Liabilities [Abstract]    
Market risk benefit liabilities 8,579 8,079
Derivative liabilities 0 0
Embedded derivatives on index-linked annuities (2) 10,666 12,406
Total liabilities 19,245 20,485
Recurring | Level 3 | Interest rate    
Assets [Abstract]    
Derivative assets 0 0
Liabilities [Abstract]    
Derivative liabilities 0 0
Recurring | Level 3 | Foreign currency exchange rate    
Assets [Abstract]    
Derivative assets 6 4
Liabilities [Abstract]    
Derivative liabilities 0 0
Recurring | Level 3 | Credit    
Assets [Abstract]    
Derivative assets 1 2
Recurring | Level 3 | Equity market    
Assets [Abstract]    
Derivative assets 0 0
Liabilities [Abstract]    
Derivative liabilities 0 0
Recurring | Level 3 | U.S. corporate    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 768 640
Recurring | Level 3 | Foreign corporate    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 129 158
Recurring | Level 3 | RMBS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 89 24
Recurring | Level 3 | U.S. government and agency    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Recurring | Level 3 | ABS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 292 245
Recurring | Level 3 | CMBS    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Recurring | Level 3 | State and political subdivision    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value 0 0
Recurring | Level 3 | Foreign government    
Assets [Abstract]    
Fixed maturity securities, at estimated fair value $ 24 $ 24