v3.26.1
Future Policy Benefits - Changes in Liability for Future Policy Benefits (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Present Value of Expected Net Premiums:        
Balance, beginning of period $ 2,183 $ 2,353    
Beginning balance at original discount rate 2,302 2,507    
Effect of changes in cash flow assumptions     $ (17) $ 65
Effect of actual variances from expected experience     (5) (56)
Adjusted beginning of period balance     2,280 2,516
Issuances 192 671    
Interest accrual 47 53    
Net premiums collected (344) (821)    
Derecognitions (lapses and withdrawals) 3 3    
Ending balance at original discount rate 2,178 2,422    
Effect of changes in discount rate assumptions (107) (114)    
Balance, end of period 2,071 2,308    
Present Value of Expected Future Policy Benefits:        
Balance, beginning of period 11,242 9,701    
Beginning balance at original discount rate 11,594 10,269    
Effect of changes in cash flow assumptions     (22) 83
Effect of actual variances from expected experience     (32) (90)
Adjusted beginning of period balance     11,540 10,262
Issuances 200 674    
Interest accrual 244 227    
Benefit payments (511) (418)    
Derecognitions (lapses and withdrawals) 9 28    
Foreign currency translation (21) 107    
Ending balance at original discount rate 11,461 10,880    
Effect of changes in discount rate assumptions (435) (405)    
Balance, end of period 11,026 10,475    
Liability for future policy benefits 8,955 8,167    
Less: Reinsurance recoverables (1,268) (1,312)    
Net liability for future policy benefits, after reinsurance recoverables 7,687 6,855    
Liability remeasurement losses 60 31    
Annuities        
Present Value of Expected Net Premiums:        
Balance, beginning of period 0 0    
Beginning balance at original discount rate 0 0    
Effect of changes in cash flow assumptions     0 0
Effect of actual variances from expected experience     2 (1)
Adjusted beginning of period balance     2 (1)
Issuances 180 666    
Interest accrual 1 5    
Net premiums collected (186) (673)    
Derecognitions (lapses and withdrawals) 3 3    
Ending balance at original discount rate 0 0    
Effect of changes in discount rate assumptions 0 0    
Balance, end of period 0 0    
Present Value of Expected Future Policy Benefits:        
Balance, beginning of period 7,142 5,532    
Beginning balance at original discount rate 7,135 5,668    
Effect of changes in cash flow assumptions     31 6
Effect of actual variances from expected experience     (43) (34)
Adjusted beginning of period balance     7,123 5,640
Issuances 188 669    
Interest accrual 154 138    
Benefit payments (334) (265)    
Derecognitions (lapses and withdrawals) 9 28    
Foreign currency translation (21) 107    
Ending balance at original discount rate 7,119 6,317    
Effect of changes in discount rate assumptions (98) (45)    
Balance, end of period 7,021 6,272    
Liability for future policy benefits 7,021 6,272 7,142  
Less: Reinsurance recoverables (2) (1)    
Net liability for future policy benefits, after reinsurance recoverables $ 7,019 $ 6,271    
Weighted-average liability duration of future policy benefits (years) 8 years 6 years    
Weighted average interest accretion rate 5.36% 5.28%    
Weighted average current discount rate 5.51% 5.36%    
Life Insurance        
Present Value of Expected Net Premiums:        
Balance, beginning of period $ 2,183 $ 2,353    
Beginning balance at original discount rate 2,302 2,507    
Effect of changes in cash flow assumptions     (17) 65
Effect of actual variances from expected experience     (7) (55)
Adjusted beginning of period balance     2,278 2,517
Issuances 12 5    
Interest accrual 46 48    
Net premiums collected (158) (148)    
Derecognitions (lapses and withdrawals) 0 0    
Ending balance at original discount rate 2,178 2,422    
Effect of changes in discount rate assumptions (107) (114)    
Balance, end of period 2,071 2,308    
Present Value of Expected Future Policy Benefits:        
Balance, beginning of period 4,100 4,169    
Beginning balance at original discount rate 4,459 4,601    
Effect of changes in cash flow assumptions     (53) 77
Effect of actual variances from expected experience     11 (56)
Adjusted beginning of period balance     4,417 $ 4,622
Issuances 12 5    
Interest accrual 90 89    
Benefit payments (177) (153)    
Derecognitions (lapses and withdrawals) 0 0    
Foreign currency translation 0 0    
Ending balance at original discount rate 4,342 4,563    
Effect of changes in discount rate assumptions (337) (360)    
Balance, end of period 4,005 4,203    
Liability for future policy benefits 1,934 1,895 $ 1,917  
Less: Reinsurance recoverables (1,266) (1,311)    
Net liability for future policy benefits, after reinsurance recoverables $ 668 $ 584    
Weighted-average liability duration of future policy benefits (years) 13 years 14 years    
Weighted average interest accretion rate 4.75% 4.77%    
Weighted average current discount rate 5.67% 5.69%