v3.26.1
Market Risk Benefits (Rollforward of Balances for Individual Retirement Products) (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Market Risk Benefit [Roll Forward]    
Market risk benefit, ending balance $ 2,301 $ 2,671
Retirement    
Market Risk Benefit [Roll Forward]    
Market risk benefit, beginning balance 290 91
Effect of cumulative changes in NPR (29) (16)
Balance, BOP, before effect of changes in NPR 261 75
Attributed fees collected 53 31
Claims paid (2) (1)
Interest accrual 6 2
Actual in force different from expected 1 6
Effect of changes in interest rates 1 (30)
Effect of changes in equity markets 11 (12)
Effect of assumption update and other refinements 29 137
Issuance 77 46
Other adjustments 2 24
Balance, EOP, before effect of changes in NPR 439 278
Effect of cumulative changes in NPR 15 (14)
Less: Reinsured MRBs 0 0
Balance, EOP, net of reinsurance 454 264
Market risk benefit, ending balance 454 264
Net amount at risk $ 752 $ 401
Weighted-average attained age of contractholders (in years) 73 years 69 years
U.S. Legacy Products | Annuities    
Market Risk Benefit [Roll Forward]    
Market risk benefit, beginning balance $ 2,794 $ 2,657
Effect of cumulative changes in NPR 506 689
Balance, BOP, before effect of changes in NPR 3,300 3,346
Attributed fees collected 449 500
Claims paid (35) (40)
Interest accrual 75 91
Actual in force different from expected 15 35
Effect of changes in interest rates (74) 413
Effect of changes in equity markets (598) (485)
Effect of assumption update and other refinements 96 126
Issuance 6 6
Other adjustments (1) 0
Balance, EOP, before effect of changes in NPR 3,233 3,992
Effect of cumulative changes in NPR (508) (832)
Less: Reinsured MRBs 885 777
Balance, EOP, net of reinsurance 1,840 2,383
Market risk benefit, ending balance 2,725 3,160
Net amount at risk $ 7,913 $ 8,736
Weighted-average attained age of contractholders (in years) 73 years 71 years
Total    
Market Risk Benefit [Roll Forward]    
Balance, EOP, net of reinsurance $ 2,301 $ 2,671
Total | Total    
Market Risk Benefit [Roll Forward]    
Market risk benefit, beginning balance 3,084 2,748
Effect of cumulative changes in NPR 477 673
Balance, BOP, before effect of changes in NPR 3,561 3,421
Attributed fees collected 502 531
Claims paid (37) (41)
Interest accrual 81 93
Actual in force different from expected 16 41
Effect of changes in interest rates (73) 383
Effect of changes in equity markets (587) (497)
Effect of assumption update and other refinements 125 263
Issuance 83 52
Other adjustments 1 24
Balance, EOP, before effect of changes in NPR 3,672 4,270
Effect of cumulative changes in NPR (493) (846)
Less: Reinsured MRBs 885 777
Balance, EOP, net of reinsurance 2,294 2,647
Market risk benefit, ending balance 3,179 3,424
Other businesses    
Market Risk Benefit [Roll Forward]    
Balance, EOP, net of reinsurance $ 7 $ 24