v3.26.1
Separate Accounts - Separate Account Liabilities (Details) - USD ($)
$ in Millions
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Separate Account, Liability [Roll Forward]    
Balance at January 1 $ 113,007  
Net transfers (from) to separate accounts (372) $ (884)
Balance at end of period 119,424 113,007
Retirement Deferred Group and Individual Annuity    
Separate Account, Liability [Roll Forward]    
Balance at January 1 108,304 97,657
Premiums and deposits 6,470 11,721
Fee income (285) (545)
Surrenders, withdrawals and benefits (8,252) (13,784)
Net transfers (from) to separate accounts (747) (1,574)
Investment performance 9,319 14,829
Balance at end of period 114,809 108,304
Other    
Separate Account, Liability [Roll Forward]    
Balance at January 1 4,703  
Balance at end of period 4,615 4,703
Wealth Solutions Stabilizer | Retirement Deferred Group and Individual Annuity    
Separate Account, Liability [Roll Forward]    
Balance at January 1 7,159 6,901
Premiums and deposits 908 963
Fee income (15) (31)
Surrenders, withdrawals and benefits 680 1,205
Net transfers (from) to separate accounts 0 0
Investment performance 67 531
Balance at end of period 7,439 7,159
Deferred Variable Annuity | Retirement Deferred Group and Individual Annuity    
Separate Account, Liability [Roll Forward]    
Balance at January 1 101,145 90,756
Premiums and deposits 5,562 10,758
Fee income (270) (514)
Surrenders, withdrawals and benefits 7,572 12,579
Net transfers (from) to separate accounts (747) (1,574)
Investment performance 9,252 14,298
Balance at end of period $ 107,370 $ 101,145