v3.25.4
Separate Account Assets and Liabilities - Separate account liabilities (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Separate Account, Liability [Roll Forward]      
Separate accounts balance, beginning of year $ 93,888 $ 91,005 $ 84,853
Premiums and deposits 3,475 2,948 2,859
Policy charges (1,861) (1,777) (1,824)
Surrenders and withdrawals (10,130) (9,615) (7,537)
Benefit payments (1,712) (1,674) (1,476)
Investment performance 12,381 13,205 14,067
Net transfers from (to) general account and other (456) (204) 63
Separate accounts balance, end of period 95,585 93,888 91,005
Cash surrender value 94,653 92,872 89,808
Group Retirement      
Separate Account, Liability [Roll Forward]      
Separate accounts balance, beginning of year 39,672 38,188 34,361
Premiums and deposits 1,371 1,441 1,374
Policy charges (470) (475) (441)
Surrenders and withdrawals (4,429) (4,223) (3,047)
Benefit payments (689) (674) (557)
Investment performance 5,798 5,751 6,666
Net transfers from (to) general account and other (552) (336) (168)
Separate accounts balance, end of period 40,701 39,672 38,188
Cash surrender value 40,612 39,576 37,992
Life Insurance      
Separate Account, Liability [Roll Forward]      
Separate accounts balance, beginning of year 1,059 932 799
Premiums and deposits 32 34 36
Policy charges (45) (47) (49)
Surrenders and withdrawals (41) (34) (25)
Benefit payments (11) (12) (7)
Investment performance 162 192 181
Net transfers from (to) general account and other (7) (6) (3)
Separate accounts balance, end of period 1,149 1,059 932
Cash surrender value 1,132 1,040 911
Institutional Markets      
Separate Account, Liability [Roll Forward]      
Separate accounts balance, beginning of year 4,339 3,992 4,515
Premiums and deposits 637 123 41
Policy charges (122) (98) (93)
Surrenders and withdrawals (279) (91) (721)
Benefit payments (19) (23) (68)
Investment performance 364 387 287
Net transfers from (to) general account and other 37 49 31
Separate accounts balance, end of period 4,957 4,339 3,992
Cash surrender value 4,954 4,336 3,994
Corporate & Other      
Separate Account, Liability [Roll Forward]      
Separate accounts balance, beginning of year 48,818 47,893 45,178
Premiums and deposits 1,435 1,350 1,408
Policy charges (1,224) (1,157) (1,241)
Surrenders and withdrawals (5,381) (5,267) (3,744)
Benefit payments (993) (965) (844)
Investment performance 6,057 6,875 6,933
Net transfers from (to) general account and other 66 89 203
Separate accounts balance, end of period 48,778 48,818 47,893
Cash surrender value $ 47,955 $ 47,920 $ 46,911