v3.25.4
Long-duration Contracts - Schedule of Rollforward by Product Within Future Policy Benefits (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Present value of expected future policy benefits        
Issuances     $ 13,518  
Interest accrual     1,664  
Benefit payments     (3,852)  
Other     (1,509)  
Net future policy benefits $ 50,264 $ 49,902 53,287  
Total        
Present value of expected net premiums        
Beginning balance, present value of expected net premiums 880 1,182 0  
Effect of changes in discount rate assumptions, beginning balance (30) (45)    
Effect of foreign exchange on the change in discount rate assumptions, beginning balance 2 (2)    
Beginning balance at original discount rate 852 1,135    
Effect of changes in cash flow assumptions   54    
Effect of actual to expected experience   (13) (4)  
Adjusted balance   893 1,131  
Issuances 647   3,091  
Interest accrual 26 22 6  
Net premium collected (207) (190) (2,027)  
Foreign exchange 9 (111) 65  
Other 10      
Ending balance at original discount rate 1,378 852 1,135  
Effect of changes in discount rate assumptions, ending balance (25) (30) (45)  
Effect of foreign exchange on the change in discount rate assumptions, ending balance 1 2 (2)  
Ending balance, present value of expected net premiums 1,402 880 1,182  
Present value of expected future policy benefits        
Beginning balance, present value of expected future policy benefits 44,972 48,372 36,422  
Effect of changes in discount rate assumptions 7,584 6,144 8,425  
Effect of foreign exchange on the change in discount rate assumptions (6) (5) (13)  
Beginning balance at original discount rate 52,550 54,511 44,834  
Effect of changes in cash flow assumptions   131 (104) $ (297)
Effect of actual to expected experience   (133) 74 (67)
Adjusted balance   52,548 54,481 44,470
Issuances 2,909 1,115 13,518  
Interest accrual 1,824 1,871 1,664  
Benefit payments (4,555) (4,561) (3,852)  
Foreign exchange 67 (356) 220  
Other 11   (1,509)  
Ending balance at original discount rate 52,804 52,550 54,511  
Effect of changes in discount rate assumptions 6,977 7,584 6,144  
Effect of foreign exchange on the change in discount rate assumptions (26) (6) (5)  
Ending balance, present value of expected future policy benefits 45,853 44,972 48,372  
Less: Present value of expected net premiums 1,402 880 1,182 0
Net future policy benefits 44,451 44,092 47,190  
Payout Annuities with Life Contingencies        
Present value of expected net premiums        
Beginning balance, present value of expected net premiums 0 0 0  
Effect of changes in discount rate assumptions, beginning balance 0 0    
Effect of foreign exchange on the change in discount rate assumptions, beginning balance 0 0    
Beginning balance at original discount rate 0 0    
Effect of changes in cash flow assumptions   0    
Effect of actual to expected experience   0 0  
Adjusted balance   0 0  
Issuances 0   0  
Interest accrual 0 0 0  
Net premium collected 0 0 0  
Foreign exchange 0 0 0  
Other 0      
Ending balance at original discount rate 0 0 0  
Effect of changes in discount rate assumptions, ending balance 0 0 0  
Effect of foreign exchange on the change in discount rate assumptions, ending balance 0 0 0  
Ending balance, present value of expected net premiums 0 0 0  
Present value of expected future policy benefits        
Beginning balance, present value of expected future policy benefits 42,261 45,001 36,422  
Effect of changes in discount rate assumptions 7,378 6,233 8,425  
Effect of foreign exchange on the change in discount rate assumptions (5) 1 (13)  
Beginning balance at original discount rate 49,634 51,235 44,834  
Effect of changes in cash flow assumptions   (53) (104) (297)
Effect of actual to expected experience   (88) 78 (67)
Adjusted balance   49,493 51,209 44,470
Issuances 1,150 1,115 10,427  
Interest accrual 1,734 1,802 1,646  
Benefit payments (4,417) (4,476) (3,834)  
Foreign exchange 60 (16) 35  
Other 0   (1,509)  
Ending balance at original discount rate 48,020 49,634 51,235  
Effect of changes in discount rate assumptions 5,941 7,378 6,233  
Effect of foreign exchange on the change in discount rate assumptions 21 (5) 1  
Ending balance, present value of expected future policy benefits 42,058 42,261 45,001  
Less: Present value of expected net premiums 0 0 0 0
Net future policy benefits $ 42,058 $ 42,261 $ 45,001  
Liability for Future Policy Benefit, after Reinsurance [Abstract]        
Weighted-average liability duration (in years) 9 years 2 months 12 days 9 years 4 months 24 days 9 years 6 months  
Weighted-average interest accretion rate 3.70% 3.70% 3.60%  
Weighted-average current discount rate 5.30% 5.60% 5.10%  
Expected future gross premiums, undiscounted $ 0 $ 0 $ 0  
Expected future gross premiums, discounted 0 0 0  
Expected future benefit payments, undiscounted 70,176 72,793 75,261  
Whole Life        
Present value of expected net premiums        
Beginning balance, present value of expected net premiums 880 1,182 0  
Effect of changes in discount rate assumptions, beginning balance (30) (45)    
Effect of foreign exchange on the change in discount rate assumptions, beginning balance 2 (2)    
Beginning balance at original discount rate 852 1,135    
Effect of changes in cash flow assumptions   54    
Effect of actual to expected experience   (13) (4)  
Adjusted balance   893 1,131  
Issuances 647   3,091  
Interest accrual 26 22 6  
Net premium collected (207) (190) (2,027)  
Foreign exchange 9 (111) 65  
Other 10      
Ending balance at original discount rate 1,378 852 1,135  
Effect of changes in discount rate assumptions, ending balance (25) (30) (45)  
Effect of foreign exchange on the change in discount rate assumptions, ending balance 1 2 (2)  
Ending balance, present value of expected net premiums 1,402 880 1,182  
Present value of expected future policy benefits        
Beginning balance, present value of expected future policy benefits 2,711 3,371 0  
Effect of changes in discount rate assumptions 206 (89) 0  
Effect of foreign exchange on the change in discount rate assumptions (1) (6) 0  
Beginning balance at original discount rate 2,916 3,276 0  
Effect of changes in cash flow assumptions   184 0 0
Effect of actual to expected experience   (45) (4) 0
Adjusted balance   3,055 3,272 0
Issuances 1,759 0 3,091  
Interest accrual 90 69 18  
Benefit payments (138) (85) (18)  
Foreign exchange 7 (340) 185  
Other 11   0  
Ending balance at original discount rate 4,784 2,916 3,276  
Effect of changes in discount rate assumptions 1,036 206 (89)  
Effect of foreign exchange on the change in discount rate assumptions (47) (1) (6)  
Ending balance, present value of expected future policy benefits 3,795 2,711 3,371  
Less: Present value of expected net premiums 1,402 880 1,182 $ 0
Net future policy benefits $ 2,393 $ 1,831 $ 2,189  
Liability for Future Policy Benefit, after Reinsurance [Abstract]        
Weighted-average liability duration (in years) 20 years 8 months 12 days 30 years 8 months 12 days 33 years 6 months  
Weighted-average interest accretion rate 5.20% 4.80% 4.80%  
Weighted-average current discount rate 6.40% 4.80% 4.10%  
Expected future gross premiums, undiscounted $ 1,963 $ 1,107 $ 1,497  
Expected future gross premiums, discounted 1,577 929 1,239  
Expected future benefit payments, undiscounted $ 12,229 $ 10,618 $ 11,344