v3.23.1
Separate Account Assets and Liabilities - separate account liabilities (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Separate Account, Liability [Roll Forward]    
Separate accounts balance, beginning of year $ 109,111 $ 100,290
Premiums and deposits 4,137 6,185
Policy charges (1,937) (2,041)
Surrenders and withdrawals (5,925) (7,388)
Benefit payments (1,576) (1,687)
Investment performance (18,860) 14,120
Net transfers from (to) general account (106) (373)
Other charges 9 5
Separate accounts balance, end of period 84,853 109,111
Aggregate carrying amount in the Condensed Consolidated Balance Sheets 84,853 109,111
Cash surrender value 83,588 107,655
Individual Retirement    
Separate Account, Liability [Roll Forward]    
Separate accounts balance, beginning of year 57,927 53,456
Premiums and deposits 2,420 4,081
Policy charges (1,325) (1,368)
Surrenders and withdrawals (3,320) (4,261)
Benefit payments (898) (1,039)
Investment performance (9,861) 6,743
Net transfers from (to) general account 235 315
Other charges 0 0
Separate accounts balance, end of period 45,178 57,927
Aggregate carrying amount in the Condensed Consolidated Balance Sheets 45,178 57,927
Cash surrender value 44,124 56,727
Group Retirement    
Separate Account, Liability [Roll Forward]    
Separate accounts balance, beginning of year 45,138 41,310
Premiums and deposits 1,611 1,979
Policy charges (461) (523)
Surrenders and withdrawals (2,452) (3,013)
Benefit payments (613) (615)
Investment performance (8,479) 6,711
Net transfers from (to) general account (383) (711)
Other charges 0 0
Separate accounts balance, end of period 34,361 45,138
Aggregate carrying amount in the Condensed Consolidated Balance Sheets 34,361 45,138
Cash surrender value 34,169 44,909
Life Insurance    
Separate Account, Liability [Roll Forward]    
Separate accounts balance, beginning of year 1,044 912
Premiums and deposits 37 49
Policy charges (51) (52)
Surrenders and withdrawals (22) (32)
Benefit payments (6) (10)
Investment performance (201) 180
Net transfers from (to) general account (2) (3)
Other charges 0 0
Separate accounts balance, end of period 799 1,044
Aggregate carrying amount in the Condensed Consolidated Balance Sheets 799 1,044
Cash surrender value 777 1,026
Institutional Markets    
Separate Account, Liability [Roll Forward]    
Separate accounts balance, beginning of year 5,002 4,612
Premiums and deposits 69 76
Policy charges (100) (98)
Surrenders and withdrawals (131) (82)
Benefit payments (59) (23)
Investment performance (319) 486
Net transfers from (to) general account 44 26
Other charges 9 5
Separate accounts balance, end of period 4,515 5,002
Aggregate carrying amount in the Condensed Consolidated Balance Sheets 4,515 5,002
Cash surrender value $ 4,518 $ 4,993