v3.25.4
Future Policy Benefits - Schedule of liabilities by product (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Movement in Liability for Future Policy Benefits [Roll Forward]        
Balance, beginning of year $ 56,272 $ 57,108    
Effect of changes in assumptions   (177) $ (68) $ 55
Effect of changes in experience   (33) 13 82
Adjusted beginning of year balance   9,806 15,110 14,720
Interest accrual 386 417 483  
Other 7 (1) 2  
Net liability for future policy benefits, end of period 60,971 56,272 57,108  
Less: Reinsurance recoverable (20,817) (21,105) (22,748)  
Net liability for future policy benefits after reinsurance recoverable 40,154 35,167 34,360  
Universal Life        
Movement in Liability for Future Policy Benefits [Roll Forward]        
Balance, beginning of year 4,088 3,786 3,355  
Effect of changes in assumptions   54 38 (41)
Effect of changes in experience   402 361 315
Adjusted beginning of year balance   4,544 4,185 3,629
Assessments 655 587 673  
Excess benefits paid (1,124) (902) (943)  
Interest accrual 165 163 134  
Other (9) (5) (9)  
Changes related to unrealized appreciation (depreciation) of investments 64 60 302  
Net liability for future policy benefits, end of period 4,295 4,088 3,786  
Less: Reinsurance recoverable (220) (210) (164)  
Net liability for future policy benefits after reinsurance recoverable 4,075 3,878 3,622  
Life Insurance        
Movement in Liability for Future Policy Benefits [Roll Forward]        
Balance, beginning of year 13,170 13,400    
Effect of changes in assumptions   (169) (57) 34
Effect of changes in experience   (34) 16 62
Adjusted beginning of year balance   8,881 14,107 13,622
Interest accrual 348 375 437  
Other 7 (1) 11  
Net liability for future policy benefits, end of period 13,513 13,170 13,400  
Less: Reinsurance recoverable (668) (664) (719)  
Net liability for future policy benefits after reinsurance recoverable $ 12,845 $ 12,506 $ 12,681  
Weighted average liability duration of the liability for future policy benefits (in years) 10 years 3 months 18 days 10 years 8 months 12 days 12 years 9 months 18 days  
Life Insurance | Universal Life        
Movement in Liability for Future Policy Benefits [Roll Forward]        
Balance, beginning of year $ 4,034 $ 3,731 $ 3,300  
Effect of changes in assumptions   54 38 (41)
Effect of changes in experience   406 365 319
Adjusted beginning of year balance   4,494 4,134 3,578
Assessments 653 586 671  
Excess benefits paid (1,124) (902) (943)  
Interest accrual 163 161 132  
Other (9) (5) (9)  
Changes related to unrealized appreciation (depreciation) of investments 64 60 302  
Net liability for future policy benefits, end of period 4,241 4,034 3,731  
Less: Reinsurance recoverable (166) (156) (164)  
Net liability for future policy benefits after reinsurance recoverable $ 4,075 $ 3,878 $ 3,567  
Weighted average liability duration of the liability for future policy benefits (in years) 26 years 2 months 12 days 23 years 10 months 24 days 25 years 4 months 24 days  
Corporate & Other        
Movement in Liability for Future Policy Benefits [Roll Forward]        
Balance, beginning of year $ 20,632 $ 22,225    
Effect of changes in assumptions   (8) $ (11) 21
Effect of changes in experience   1 (3) 20
Adjusted beginning of year balance   925 1,003 1,098
Interest accrual 38 42 46  
Other 0 0 (9)  
Net liability for future policy benefits, end of period 20,097 20,632 22,225  
Less: Reinsurance recoverable (20,097) (20,396) (21,986)  
Net liability for future policy benefits after reinsurance recoverable $ 0 $ 236 $ 239  
Weighted average liability duration of the liability for future policy benefits (in years) 10 years 2 months 12 days 10 years 7 months 6 days 11 years 6 months  
Corporate & Other | Universal Life        
Movement in Liability for Future Policy Benefits [Roll Forward]        
Balance, beginning of year $ 54 $ 55 $ 55  
Effect of changes in assumptions   0 0 0
Effect of changes in experience   (4) (4) (4)
Adjusted beginning of year balance   50 51 $ 51
Assessments 2 1 2  
Excess benefits paid 0 0 0  
Interest accrual 2 2 2  
Other 0 0 0  
Changes related to unrealized appreciation (depreciation) of investments 0 0 0  
Net liability for future policy benefits, end of period 54 54 55  
Less: Reinsurance recoverable (54) (54) 0  
Net liability for future policy benefits after reinsurance recoverable $ 0 $ 0 $ 55  
Weighted average liability duration of the liability for future policy benefits (in years) 8 years 7 months 6 days 8 years 10 months 24 days 9 years 2 months 12 days