v3.26.1
Market Risk Benefits - Rollforward of market risk benefits (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Market Risk Benefit [Roll Forward]        
Balance, beginning of year $ 5,813 $ 4,344    
Effect of changes in our own credit risk (1,066) (924) $ (1,390) $ (880)
Balance, beginning of year, before effect of changes in our own credit risk 4,423 3,464    
Issuances 487 387    
Interest accrual 127 100    
Attributed fees 379 380    
Expected claims (35) (34)    
Effect of changes in interest rates (50) 142    
Effect of changes in interest rate volatility 0 (18)    
Effect of changes in equity markets (535) (395)    
Effect of changes in equity index volatility (1) 0    
Actual outcome different from model expected outcome 54 31    
Effect of changes in future expected policyholder behavior 0 1    
Effect of changes in other future expected assumptions 7 2    
Other, including foreign exchange (1) 3    
Balance, end of period 4,855 4,063    
Effect of changes in our own credit risk 1,066 924 1,390 880
Balance, end of period 5,921 4,987    
Less: Reinsured MRB, end of period (690) (51)    
Net 5,231 4,936    
Combined        
Net amount at risk        
Net amount at risk 374 423    
GMDB only        
Net amount at risk        
Net amount at risk 565 625    
GMWB only        
Net amount at risk        
Net amount at risk 882 412    
Individual Retirement        
Market Risk Benefit [Roll Forward]        
Balance, beginning of year 5,118 3,757    
Effect of changes in our own credit risk (418) (263) (556) (224)
Balance, beginning of year, before effect of changes in our own credit risk 4,562 3,533    
Issuances 458 364    
Interest accrual 124 95    
Attributed fees 0 0    
Expected claims 0 0    
Effect of changes in interest rates (18) 22    
Effect of changes in interest rate volatility (1) 3    
Effect of changes in equity markets (40) (14)    
Effect of changes in equity index volatility 0 (1)    
Actual outcome different from model expected outcome (37) 7    
Effect of changes in future expected policyholder behavior 0 0    
Effect of changes in other future expected assumptions 16 2    
Other, including foreign exchange 0 0    
Balance, end of period 5,064 4,011    
Effect of changes in our own credit risk 418 263 556 224
Balance, end of period 5,482 4,274    
Less: Reinsured MRB, end of period 0 0    
Net $ 5,482 $ 4,274    
Net amount at risk        
Average attained age of contract holders 68 years 68 years    
Individual Retirement | Combined        
Net amount at risk        
Net amount at risk $ 56 $ 54    
Individual Retirement | GMDB only        
Net amount at risk        
Net amount at risk 0 0    
Individual Retirement | GMWB only        
Net amount at risk        
Net amount at risk 802 382    
Group Retirement        
Market Risk Benefit [Roll Forward]        
Balance, beginning of year 346 278    
Effect of changes in our own credit risk (84) (70) (105) (69)
Balance, beginning of year, before effect of changes in our own credit risk 241 209    
Issuances 22 18    
Interest accrual 10 8    
Attributed fees 28 29    
Expected claims (1) (1)    
Effect of changes in interest rates (1) 8    
Effect of changes in interest rate volatility 0 (1)    
Effect of changes in equity markets (31) (9)    
Effect of changes in equity index volatility 5 2    
Actual outcome different from model expected outcome (1) (27)    
Effect of changes in future expected policyholder behavior 0 1    
Effect of changes in other future expected assumptions 1 0    
Other, including foreign exchange (1) 3    
Balance, end of period 272 240    
Effect of changes in our own credit risk 84 70 105 69
Balance, end of period 356 310    
Less: Reinsured MRB, end of period 0 0    
Net $ 356 $ 310    
Net amount at risk        
Average attained age of contract holders 64 years 64 years    
Group Retirement | Combined        
Net amount at risk        
Net amount at risk $ 12 $ 12    
Group Retirement | GMDB only        
Net amount at risk        
Net amount at risk 85 104    
Group Retirement | GMWB only        
Net amount at risk        
Net amount at risk 80 30    
Corporate & Other        
Market Risk Benefit [Roll Forward]        
Balance, beginning of year 349 309    
Effect of changes in our own credit risk (564) (591) (729) (587)
Balance, beginning of year, before effect of changes in our own credit risk (380) (278)    
Issuances 7 5    
Interest accrual (7) (3)    
Attributed fees 351 351    
Expected claims (34) (33)    
Effect of changes in interest rates (31) 112    
Effect of changes in interest rate volatility 1 (20)    
Effect of changes in equity markets (464) (372)    
Effect of changes in equity index volatility (6) (1)    
Actual outcome different from model expected outcome 92 51    
Effect of changes in future expected policyholder behavior 0 0    
Effect of changes in other future expected assumptions (10) 0    
Other, including foreign exchange 0 0    
Balance, end of period (481) (188)    
Effect of changes in our own credit risk 564 591 $ 729 $ 587
Balance, end of period 83 403    
Less: Reinsured MRB, end of period (690) (51)    
Net $ (607) $ 352    
Net amount at risk        
Average attained age of contract holders 72 years 72 years    
Corporate & Other | Combined        
Net amount at risk        
Net amount at risk $ 306 $ 357    
Corporate & Other | GMDB only        
Net amount at risk        
Net amount at risk 480 521    
Corporate & Other | GMWB only        
Net amount at risk        
Net amount at risk $ 0 $ 0