v3.24.2.u1
Policyholder Contract Deposits and Other Policyholder Funds - Rollforward of policyholder contract deposit (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Policyholder Account Balance [Roll Forward]      
Policyholder contract deposits account balance, beginning of year $ 163,408 $ 158,494  
Deposits 17,852 13,934  
Policy charges (1,426) (1,529)  
Surrenders and withdrawals (14,001) (11,149)  
Benefit payments (3,739) (3,646)  
Net transfers from (to) separate account 4,605 3,331  
Interest credited 2,924 1,908  
Other 11 (24)  
Policyholder contract deposits account balance, end of period 169,634 161,319  
Other reconciling items (1,310) (1,675)  
Policyholder contract deposits 168,324 159,644 $ 162,050
Cash surrender value 145,723 140,260  
Individual Retirement      
Policyholder Account Balance [Roll Forward]      
Policyholder contract deposits account balance, beginning of year 94,896 89,554  
Deposits 11,696 8,898  
Policy charges (360) (462)  
Surrenders and withdrawals (8,902) (6,585)  
Benefit payments (1,422) (2,012)  
Net transfers from (to) separate account 2,570 1,637  
Interest credited 1,670 863  
Other 1 (3)  
Policyholder contract deposits account balance, end of period 100,149 91,890  
Other reconciling items (1,286) (1,598)  
Policyholder contract deposits $ 98,863 $ 90,292  
Weighted average crediting rate 2.84% 2.59%  
Cash surrender value $ 93,131 $ 85,417  
Group Retirement      
Policyholder Account Balance [Roll Forward]      
Policyholder contract deposits account balance, beginning of year 41,299 43,395  
Deposits 2,637 2,597  
Policy charges (250) (238)  
Surrenders and withdrawals (4,859) (3,979)  
Benefit payments (993) (1,080)  
Net transfers from (to) separate account 2,026 1,221  
Interest credited 611 554  
Other (207) 4  
Policyholder contract deposits account balance, end of period 40,264 42,474  
Other reconciling items (212) (254)  
Policyholder contract deposits $ 40,052 $ 42,220  
Weighted average crediting rate 3.08% 2.84%  
Cash surrender value $ 39,262 $ 41,550  
Life Insurance      
Policyholder Account Balance [Roll Forward]      
Policyholder contract deposits account balance, beginning of year 10,231 10,224  
Deposits 816 809  
Policy charges (753) (764)  
Surrenders and withdrawals (148) (122)  
Benefit payments (153) (100)  
Net transfers from (to) separate account 9 0  
Interest credited 243 188  
Other 17 (32)  
Policyholder contract deposits account balance, end of period 10,262 10,203  
Other reconciling items 161 135  
Policyholder contract deposits $ 10,423 $ 10,338  
Weighted average crediting rate 4.43% 4.30%  
Cash surrender value $ 9,068 $ 8,976  
Institutional Markets      
Policyholder Account Balance [Roll Forward]      
Policyholder contract deposits account balance, beginning of year 13,649 11,734  
Deposits 2,682 1,608  
Policy charges (34) (34)  
Surrenders and withdrawals (53) (421)  
Benefit payments (1,028) (283)  
Net transfers from (to) separate account 0 473  
Interest credited 320 218  
Other 201 (1)  
Policyholder contract deposits account balance, end of period 15,737 13,294  
Other reconciling items 27 42  
Policyholder contract deposits $ 15,764 $ 13,336  
Weighted average crediting rate 4.45% 3.54%  
Cash surrender value $ 2,596 $ 2,555  
Corporate and Other      
Policyholder Account Balance [Roll Forward]      
Policyholder contract deposits account balance, beginning of year 3,333 3,587  
Deposits 21 22  
Policy charges (29) (31)  
Surrenders and withdrawals (39) (42)  
Benefit payments (143) (171)  
Net transfers from (to) separate account 0 0  
Interest credited 80 85  
Other (1) 8  
Policyholder contract deposits account balance, end of period 3,222 3,458  
Other reconciling items 0 0  
Policyholder contract deposits $ 3,222 $ 3,458  
Weighted average crediting rate 4.98% 4.95%  
Cash surrender value $ 1,666 $ 1,762