v3.25.2
Market Risk Benefits (Rollforward of Balances for Individual Retirement Products) (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Market Risk Benefit [Roll Forward]    
Market risk benefit, ending balance $ 2,671 $ 2,359
Individual Retirement Strategies | Variable Annuity    
Market Risk Benefit [Roll Forward]    
Market risk benefit, beginning balance 2,740 4,038
Effect of cumulative changes in NPR 672 1,137
Balance, BOP, before effect of changes in NPR 3,412 5,175
Attributed fees collected 525 569
Claims paid (41) (42)
Interest accrual 94 130
Actual in force different from expected 40 (6)
Effect of changes in interest rates 389 (909)
Effect of changes in equity markets (494) (1,165)
Effect of assumption update and other refinements 112 88
Issuance 35 29
Other adjustments 12 20
Balance, EOP, before effect of changes in NPR 4,084 3,889
Effect of cumulative changes in NPR (838) (942)
Less: Reinsured MRBs 777 635
Balance, EOP, net of reinsurance 2,469 2,312
Market risk benefit, ending balance 3,246 2,947
Net amount at risk $ 8,736 $ 9,358
Weighted-average attained age of contractholders (in years) 72 years 71 years
Individual Retirement Strategies | Individual Fixed    
Market Risk Benefit [Roll Forward]    
Market risk benefit, beginning balance $ 0 $ 0
Effect of cumulative changes in NPR 0 0
Balance, BOP, before effect of changes in NPR 0 0
Attributed fees collected 6 0
Claims paid 0 0
Interest accrual 0 0
Actual in force different from expected 2 0
Effect of changes in interest rates (7) 0
Effect of changes in equity markets (2) 0
Effect of assumption update and other refinements 151 0
Issuance 17 0
Other adjustments 3 0
Balance, EOP, before effect of changes in NPR 170 0
Effect of cumulative changes in NPR (7) 0
Less: Reinsured MRBs 0 0
Balance, EOP, net of reinsurance 163 0
Market risk benefit, ending balance 163 0
Net amount at risk $ 401  
Weighted-average attained age of contractholders (in years) 67 years  
Total    
Market Risk Benefit [Roll Forward]    
Market risk benefit, ending balance $ 2,671 2,359
Total | Total    
Market Risk Benefit [Roll Forward]    
Market risk benefit, beginning balance 2,740 4,038
Effect of cumulative changes in NPR 672 1,137
Balance, BOP, before effect of changes in NPR 3,412 5,175
Attributed fees collected 531 569
Claims paid (41) (42)
Interest accrual 94 130
Actual in force different from expected 42 (6)
Effect of changes in interest rates 382 (909)
Effect of changes in equity markets (496) (1,165)
Effect of assumption update and other refinements 263 88
Issuance 52 29
Other adjustments 15 20
Balance, EOP, before effect of changes in NPR 4,254 3,889
Effect of cumulative changes in NPR (845) (942)
Less: Reinsured MRBs 777 635
Balance, EOP, net of reinsurance 2,632 2,312
Market risk benefit, ending balance 3,409 2,947
Other businesses    
Market Risk Benefit [Roll Forward]    
Balance, EOP, net of reinsurance 39 47
Market risk benefit, ending balance $ 39 $ 47