v3.26.1
Fair Value (Recurring Fair Value Measurements) (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS $ 159,342 $ 159,332
Short-term investments 1,409 2,221
Derivative assets (1) 5,744 5,388
Embedded derivatives within asset host contracts (2) 46 53
Market risk benefits, at estimated fair value 207 257
Separate account assets (4) 71,428 73,511
Liabilities [Abstract]    
Derivative liabilities (1) 2,713 2,915
Embedded derivatives within liability host contracts (2) (296) (166)
Market risk benefits, at estimated fair value 2,321 2,201
Separate account liabilities 71,428 73,511
Notes Issued by Collateralized Financing Entities 801 0
Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments, Fair Value Disclosure 36 38
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 159,342 159,332
Short-term investments 1,409 2,221
Other investments 2,286 1,484
Derivative assets (1) 5,744 5,388
Embedded derivatives within asset host contracts (2) 46 53
Market risk benefits, at estimated fair value 207 257
Reinsured MRB assets (3) 373 285
Separate account assets (4) 71,428 73,511
Total assets (5) 240,835 242,531
Liabilities [Abstract]    
Derivative liabilities (1) 2,713 2,915
Embedded derivatives within liability host contracts (2) (296) (166)
Market risk benefits, at estimated fair value 2,321 2,201
Total liabilities 5,539 4,950
Notes Issued by Collateralized Financing Entities 801 0
Recurring | Interest rate    
Assets [Abstract]    
Derivative assets (1) 2,534 2,501
Liabilities [Abstract]    
Derivative liabilities (1) 1,572 1,615
Recurring | Foreign currency exchange rate    
Assets [Abstract]    
Derivative assets (1) 2,627 2,554
Liabilities [Abstract]    
Derivative liabilities (1) 917 1,028
Recurring | Credit    
Assets [Abstract]    
Derivative assets (1) 147 103
Liabilities [Abstract]    
Derivative liabilities (1) 2 6
Recurring | Equity market    
Assets [Abstract]    
Derivative assets (1) 436 230
Liabilities [Abstract]    
Derivative liabilities (1) 222 266
Recurring | U.S. corporate    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 51,216 50,602
Recurring | Foreign corporate    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 26,195 26,471
Recurring | U.S. government and agency    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 24,867 26,701
Recurring | RMBS    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 27,292 27,239
Recurring | ABS & CLO    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 16,066 14,551
Recurring | CMBS    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 4,961 5,113
Recurring | Municipals    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 5,402 5,589
Recurring | Foreign government    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 3,343 3,066
Recurring | Level 1    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 12,271 14,337
Short-term investments 958 1,763
Other investments 14 13
Derivative assets (1) 1 3
Embedded derivatives within asset host contracts (2) 0 0
Market risk benefits, at estimated fair value 0 0
Reinsured MRB assets (3) 0 0
Separate account assets (4) 11,954 11,694
Total assets (5) 25,198 27,810
Liabilities [Abstract]    
Derivative liabilities (1) 10 0
Embedded derivatives within liability host contracts (2) 0 0
Market risk benefits, at estimated fair value 0 0
Total liabilities 10 0
Notes Issued by Collateralized Financing Entities 0 0
Recurring | Level 1 | Interest rate    
Assets [Abstract]    
Derivative assets (1) 0 0
Liabilities [Abstract]    
Derivative liabilities (1) 0 0
Recurring | Level 1 | Foreign currency exchange rate    
Assets [Abstract]    
Derivative assets (1) 0 0
Liabilities [Abstract]    
Derivative liabilities (1) 0 0
Recurring | Level 1 | Credit    
Assets [Abstract]    
Derivative assets (1) 0 0
Liabilities [Abstract]    
Derivative liabilities (1) 0 0
Recurring | Level 1 | Equity market    
Assets [Abstract]    
Derivative assets (1) 1 3
Liabilities [Abstract]    
Derivative liabilities (1) 10 0
Recurring | Level 1 | U.S. corporate    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 0 0
Recurring | Level 1 | Foreign corporate    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 0 0
Recurring | Level 1 | U.S. government and agency    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 12,271 14,337
Recurring | Level 1 | RMBS    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 0 0
Recurring | Level 1 | ABS & CLO    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 0 0
Recurring | Level 1 | CMBS    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 0 0
Recurring | Level 1 | Municipals    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 0 0
Recurring | Level 1 | Foreign government    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 0 0
Recurring | Level 2    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 127,218 126,353
Short-term investments 416 424
Other investments 813 12
Derivative assets (1) 5,742 5,385
Embedded derivatives within asset host contracts (2) 0 0
Market risk benefits, at estimated fair value 0 0
Reinsured MRB assets (3) 0 0
Separate account assets (4) 58,682 60,951
Total assets (5) 192,871 193,125
Liabilities [Abstract]    
Derivative liabilities (1) 2,703 2,914
Embedded derivatives within liability host contracts (2) 0 0
Market risk benefits, at estimated fair value 0 0
Total liabilities 2,703 2,914
Notes Issued by Collateralized Financing Entities 0 0
Recurring | Level 2 | Interest rate    
Assets [Abstract]    
Derivative assets (1) 2,534 2,501
Liabilities [Abstract]    
Derivative liabilities (1) 1,572 1,615
Recurring | Level 2 | Foreign currency exchange rate    
Assets [Abstract]    
Derivative assets (1) 2,627 2,554
Liabilities [Abstract]    
Derivative liabilities (1) 917 1,028
Recurring | Level 2 | Credit    
Assets [Abstract]    
Derivative assets (1) 147 103
Liabilities [Abstract]    
Derivative liabilities (1) 2 6
Recurring | Level 2 | Equity market    
Assets [Abstract]    
Derivative assets (1) 434 227
Liabilities [Abstract]    
Derivative liabilities (1) 212 265
Recurring | Level 2 | U.S. corporate    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 43,635 43,351
Recurring | Level 2 | Foreign corporate    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 16,629 17,148
Recurring | Level 2 | U.S. government and agency    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 12,596 12,364
Recurring | Level 2 | RMBS    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 26,212 26,031
Recurring | Level 2 | ABS & CLO    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 14,602 13,822
Recurring | Level 2 | CMBS    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 4,818 4,998
Recurring | Level 2 | Municipals    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 5,402 5,588
Recurring | Level 2 | Foreign government    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 3,324 3,051
Recurring | Level 3    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 19,853 18,642
Short-term investments 35 34
Other investments 1,459 1,459
Derivative assets (1) 1 0
Embedded derivatives within asset host contracts (2) 46 53
Market risk benefits, at estimated fair value 207 257
Reinsured MRB assets (3) 373 285
Separate account assets (4) 792 866
Total assets (5) 22,766 21,596
Liabilities [Abstract]    
Derivative liabilities (1) 0 1
Embedded derivatives within liability host contracts (2) (296) (166)
Market risk benefits, at estimated fair value 2,321 2,201
Total liabilities 2,826 2,036
Notes Issued by Collateralized Financing Entities 801  
Recurring | Level 3 | Interest rate    
Assets [Abstract]    
Derivative assets (1) 0 0
Liabilities [Abstract]    
Derivative liabilities (1) 0 0
Recurring | Level 3 | Foreign currency exchange rate    
Assets [Abstract]    
Derivative assets (1) 0 0
Liabilities [Abstract]    
Derivative liabilities (1) 0 0
Recurring | Level 3 | Credit    
Assets [Abstract]    
Derivative assets (1) 0 0
Liabilities [Abstract]    
Derivative liabilities (1) 0 0
Recurring | Level 3 | Equity market    
Assets [Abstract]    
Derivative assets (1) 1 0
Liabilities [Abstract]    
Derivative liabilities (1) 0 1
Recurring | Level 3 | U.S. corporate    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 7,581 7,251
Recurring | Level 3 | Foreign corporate    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 9,566 9,323
Recurring | Level 3 | U.S. government and agency    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 0 0
Recurring | Level 3 | RMBS    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 1,080 1,208
Recurring | Level 3 | ABS & CLO    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 1,464 729
Recurring | Level 3 | CMBS    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 143 115
Recurring | Level 3 | Municipals    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS 0 1
Recurring | Level 3 | Foreign government    
Assets [Abstract]    
Estimated Fair Value of Fixed Maturity Securities AFS $ 19 $ 15