v3.26.1
Future Contract Benefits - Summary of Changes in Present Values of Expected Net Premiums and LFPB (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Present Value of Expected Future Policy Benefits        
Net balance as of end-of-period $ 42,177   $ 42,077  
Payout Annuities        
Present Value of Expected Net Premiums        
Balance as of beginning-of-year 0 $ 0    
Beginning balance at original discount rate 0 0    
Effect of actual variances from expected experience     0 $ 0
Adjusted balance as of beginning-of-year     0 0
Issuances 0 0    
Interest accrual 0 0    
Net premiums collected 0 0    
Flooring impact of LFPB 0 0    
Ending balance at original discount rate 0 0    
Effect of cumulative changes in discount rate assumptions 0 0    
Balance as of end-of-period 0 0    
Present Value of Expected Future Policy Benefits        
Balance as of beginning-of-year 2,037 2,009    
Beginning balance at original discount rate 2,219 2,260    
Effect of actual variances from expected experience     (3) (6)
Adjusted balance as of beginning-of-year     2,216 2,254
Issuances 51 46    
Interest accrual 44 44    
Benefit payments (106) (97)    
Ending balance at original discount rate 2,205 2,247    
Effect of cumulative changes in discount rate assumptions (214) (208)    
Balance as of end-of-period 1,991 2,039    
Net balance as of end-of-period 1,991 2,039 2,037  
Less: Reinsurance recoverables 1,368 1,467    
Net balance as of end-of-period, net of reinsurance $ 623 $ 572    
Weighted-average duration of future policyholder benefit liability 8 years 9 years    
Deferred profit liability $ 101 $ 70 92 62
Payout Annuities | Cumulative Effect, Period of Adoption, Adjustment        
Present Value of Expected Net Premiums        
Balance as of beginning-of-year 0 0    
Present Value of Expected Future Policy Benefits        
Balance as of beginning-of-year (182) (251)    
Traditional Life        
Present Value of Expected Net Premiums        
Balance as of beginning-of-year 5,351 5,873    
Beginning balance at original discount rate 5,441 6,148    
Effect of actual variances from expected experience     (18) (62)
Adjusted balance as of beginning-of-year     5,423 6,086
Issuances 140 141    
Interest accrual 112 124    
Net premiums collected (355) (384)    
Flooring impact of LFPB (19) (7)    
Ending balance at original discount rate 5,301 5,960    
Effect of cumulative changes in discount rate assumptions (174) (154)    
Balance as of end-of-period 5,127 5,806    
Present Value of Expected Future Policy Benefits        
Balance as of beginning-of-year 9,106 9,647    
Beginning balance at original discount rate 9,250 10,085    
Effect of actual variances from expected experience     (46) (82)
Adjusted balance as of beginning-of-year     9,204 $ 10,003
Issuances 140 141    
Interest accrual 184 199    
Benefit payments (406) (430)    
Ending balance at original discount rate 9,122 9,913    
Effect of cumulative changes in discount rate assumptions (291) (240)    
Balance as of end-of-period 8,831 9,673    
Net balance as of end-of-period 3,704 3,867 $ 3,755  
Less: Reinsurance recoverables 246 345    
Net balance as of end-of-period, net of reinsurance $ 3,458 $ 3,522    
Weighted-average duration of future policyholder benefit liability 8 years 8 years    
Impact on net premiums, mortality   $ 19    
Impact on future policy benefits, mortality $ 36 25    
Impact on future policy benefits, policyholder behavior 10 57    
Impact on net premiums, policyholder behavior   43    
Traditional Life | Cumulative Effect, Period of Adoption, Adjustment        
Present Value of Expected Net Premiums        
Balance as of beginning-of-year (90) (275)    
Present Value of Expected Future Policy Benefits        
Balance as of beginning-of-year $ (144) $ (438)