v3.26.1
Liability For Future Policy Benefits (Additional Insurance Reserves) (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Additional Liability, Long-Duration Insurance [Line Items]        
Balance, including amounts in AOCI, EOP, post-flooring $ 19,013 $ 17,282    
Total balance after reinsurance recoverables 7,837 7,185    
Other businesses        
Additional Liability, Long-Duration Insurance [Line Items]        
Less: Reinsurance recoverables 156 134    
Total balance after reinsurance recoverables 223 146    
Guaranteed Universal Life | U.S. Legacy Products        
Additional Liability, Long-Duration Insurance [Line Items]        
Balance, including amounts in AOCI, BOP, post-flooring 17,904 16,205    
Flooring impact and amounts in AOCI 315 460    
Balance, excluding amounts in AOCI, BOP, pre-flooring 18,219 16,665    
Effect of assumption updates     $ (51) $ 81
Effect of actual variances from expected experience and other activity     (39) (12)
Adjusted balance, BOP     $ 18,129 $ 16,734
Assessment Collected 621 486    
Interest accrual 305 282    
Benefits paid (117) (121)    
Other adjustments (6) 0    
Balance, excluding amounts in AOCI, EOP, pre-flooring 18,932 17,381    
Flooring impact and amounts in AOCI (298) (379)    
Balance, including amounts in AOCI, EOP, post-flooring 18,634 17,002    
Less: Reinsurance recoverables 11,020 9,963    
Total balance after reinsurance recoverables $ 7,614 $ 7,039    
Guaranteed Universal Life | U.S. Legacy Products | Gross Basis        
Additional Liability, Long-Duration Insurance [Line Items]        
Weighted-average duration of the liability in years (at original discount rate) 20 years 21 years    
Weighted-average interest rate (at original discount rate) 3.33% 3.41%