v3.25.4
Policyholder Contract Deposits and Other Policyholder Funds - Account balances by guaranteed minimum interest rates (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 106,218 $ 104,791
Policyholder account balance, percentage 100.00% 100.00%
At Guaranteed Minimum    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 46,248 $ 49,748
Policyholder account balance, percentage 44.00% 47.00%
1 Basis Point - 50 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 4,373 $ 4,906
Policyholder account balance, percentage 4.00% 5.00%
More than 50 Basis Points Above Minimum Guarantee    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 55,597 $ 50,137
Policyholder account balance, percentage 52.00% 48.00%
Individual Retirement    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 59,588 $ 56,286
Individual Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 1%    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 1.00% 1.00%
Policyholder account balance $ 41,418 $ 38,306
Individual Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2%    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 2,789 $ 3,406
Individual Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2% | Minimum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 1.00% 1.00%
Individual Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2% | Maximum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 2.00% 2.00%
Individual Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3%    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 9,912 $ 8,435
Individual Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3% | Minimum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 2.00% 2.00%
Individual Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3% | Maximum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 3.00% 3.00%
Individual Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4%    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 5,050 $ 5,686
Individual Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4% | Minimum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 3.00% 3.00%
Individual Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4% | Maximum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 4.00% 4.00%
Individual Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 387 $ 408
Individual Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5% | Minimum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 4.00% 4.00%
Individual Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5% | Maximum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 5.00% 5.00%
Individual Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 5% To 5.5%    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 5.00% 5.00%
Policyholder account balance $ 32 $ 45
Individual Retirement | At Guaranteed Minimum    
Policyholder Account Balance [Line Items]    
Policyholder account balance 15,828 16,930
Individual Retirement | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 1%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 2,688 2,736
Individual Retirement | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 1,947 2,324
Individual Retirement | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 5,766 5,781
Individual Retirement | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 5,014 5,648
Individual Retirement | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 383 404
Individual Retirement | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 5% To 5.5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 30 37
Individual Retirement | 1 Basis Point - 50 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account balance 1,451 1,512
Individual Retirement | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 1%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 1,235 1,442
Individual Retirement | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 45 20
Individual Retirement | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 139 11
Individual Retirement | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 32 34
Individual Retirement | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 0 0
Individual Retirement | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 5% To 5.5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 0 5
Individual Retirement | More than 50 Basis Points Above Minimum Guarantee    
Policyholder Account Balance [Line Items]    
Policyholder account balance 42,309 37,844
Individual Retirement | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 1%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 37,495 34,128
Individual Retirement | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 797 1,062
Individual Retirement | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 4,007 2,643
Individual Retirement | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 4 4
Individual Retirement | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 4 4
Individual Retirement | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 5% To 5.5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 2 3
Group Retirement    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 33,953 $ 35,075
Group Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 1%    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 1.00% 1.00%
Policyholder account balance $ 12,792 $ 12,276
Group Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2%    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 4,323 $ 4,713
Group Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2% | Minimum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 1.00% 1.00%
Group Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2% | Maximum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 2.00% 2.00%
Group Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3%    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 10,244 $ 11,115
Group Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3% | Minimum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 2.00% 2.00%
Group Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3% | Maximum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 3.00% 3.00%
Group Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4%    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 512 $ 552
Group Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4% | Minimum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 3.00% 3.00%
Group Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4% | Maximum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 4.00% 4.00%
Group Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 5,961 $ 6,288
Group Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5% | Minimum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 4.00% 4.00%
Group Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5% | Maximum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 5.00% 5.00%
Group Retirement | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 5% To 5.5%    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 5.00% 5.00%
Policyholder account balance $ 121 $ 131
Group Retirement | At Guaranteed Minimum    
Policyholder Account Balance [Line Items]    
Policyholder account balance 21,158 22,906
Group Retirement | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 1%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 1,924 2,027
Group Retirement | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 2,950 3,215
Group Retirement | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 9,690 10,693
Group Retirement | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 512 552
Group Retirement | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 5,961 6,288
Group Retirement | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 5% To 5.5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 121 131
Group Retirement | 1 Basis Point - 50 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account balance 2,212 2,456
Group Retirement | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 1%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 1,345 1,477
Group Retirement | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 497 671
Group Retirement | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 370 308
Group Retirement | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 0 0
Group Retirement | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 0 0
Group Retirement | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 5% To 5.5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 0 0
Group Retirement | More than 50 Basis Points Above Minimum Guarantee    
Policyholder Account Balance [Line Items]    
Policyholder account balance 10,583 9,713
Group Retirement | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 1%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 9,523 8,772
Group Retirement | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 876 827
Group Retirement | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 184 114
Group Retirement | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 0 0
Group Retirement | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 0 0
Group Retirement | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 5% To 5.5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 0 0
Life Insurance    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 6,706 $ 6,952
Life Insurance | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 1%    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 1.00% 1.00%
Policyholder account balance $ 0 $ 0
Life Insurance | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2%    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 472 $ 473
Life Insurance | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2% | Minimum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 1.00% 1.00%
Life Insurance | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2% | Maximum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 2.00% 2.00%
Life Insurance | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3%    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 1,872 $ 1,923
Life Insurance | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3% | Minimum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 2.00% 2.00%
Life Insurance | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3% | Maximum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 3.00% 3.00%
Life Insurance | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4%    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 1,561 $ 1,626
Life Insurance | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4% | Minimum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 3.00% 3.00%
Life Insurance | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4% | Maximum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 4.00% 4.00%
Life Insurance | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 2,601 $ 2,722
Life Insurance | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5% | Minimum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 4.00% 4.00%
Life Insurance | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5% | Maximum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 5.00% 5.00%
Life Insurance | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 5% To 5.5%    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 5.00% 5.00%
Policyholder account balance $ 200 $ 208
Life Insurance | At Guaranteed Minimum    
Policyholder Account Balance [Line Items]    
Policyholder account balance 3,938 4,106
Life Insurance | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 1%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 0 0
Life Insurance | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 0 0
Life Insurance | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 10 9
Life Insurance | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 1,127 1,167
Life Insurance | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 2,601 2,722
Life Insurance | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 5% To 5.5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 200 208
Life Insurance | 1 Basis Point - 50 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account balance 686 932
Life Insurance | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 1%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 0 0
Life Insurance | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 112 110
Life Insurance | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 166 386
Life Insurance | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 408 436
Life Insurance | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 0 0
Life Insurance | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 5% To 5.5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 0 0
Life Insurance | More than 50 Basis Points Above Minimum Guarantee    
Policyholder Account Balance [Line Items]    
Policyholder account balance 2,082 1,914
Life Insurance | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 1%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 0 0
Life Insurance | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 360 363
Life Insurance | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 1,696 1,528
Life Insurance | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 26 23
Life Insurance | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 0 0
Life Insurance | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 5% To 5.5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 0 0
Corporate & Other    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 5,971 $ 6,478
Corporate & Other | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 1%    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 1.00% 1.00%
Policyholder account balance $ 2,653 $ 3,052
Corporate & Other | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2%    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 731 $ 821
Corporate & Other | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2% | Minimum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 1.00% 1.00%
Corporate & Other | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2% | Maximum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 2.00% 2.00%
Corporate & Other | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3%    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 1,419 $ 1,364
Corporate & Other | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3% | Minimum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 2.00% 2.00%
Corporate & Other | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3% | Maximum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 3.00% 3.00%
Corporate & Other | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4%    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 969 $ 1,035
Corporate & Other | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4% | Minimum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 3.00% 3.00%
Corporate & Other | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4% | Maximum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 4.00% 4.00%
Corporate & Other | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 190 $ 196
Corporate & Other | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5% | Minimum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 4.00% 4.00%
Corporate & Other | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5% | Maximum    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 5.00% 5.00%
Corporate & Other | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 5% To 5.5%    
Policyholder Account Balance [Line Items]    
Minimum credit rating (as a percent) 5.00% 5.00%
Policyholder account balance $ 9 $ 10
Corporate & Other | At Guaranteed Minimum    
Policyholder Account Balance [Line Items]    
Policyholder account balance 5,324 5,806
Corporate & Other | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 1%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 2,652 3,049
Corporate & Other | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 693 780
Corporate & Other | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 1,334 1,292
Corporate & Other | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 449 482
Corporate & Other | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 187 193
Corporate & Other | At Guaranteed Minimum | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 5% To 5.5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 9 10
Corporate & Other | 1 Basis Point - 50 Basis Points Above    
Policyholder Account Balance [Line Items]    
Policyholder account balance 24 6
Corporate & Other | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 1%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 0 1
Corporate & Other | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 1 2
Corporate & Other | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 22 2
Corporate & Other | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 1 1
Corporate & Other | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 0 0
Corporate & Other | 1 Basis Point - 50 Basis Points Above | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 5% To 5.5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 0 0
Corporate & Other | More than 50 Basis Points Above Minimum Guarantee    
Policyholder Account Balance [Line Items]    
Policyholder account balance 623 666
Corporate & Other | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range Less Than 1%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 1 2
Corporate & Other | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 1% To 2%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 37 39
Corporate & Other | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 2% To 3%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 63 70
Corporate & Other | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 3% To 4%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 519 552
Corporate & Other | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 4% To 5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance 3 3
Corporate & Other | More than 50 Basis Points Above Minimum Guarantee | Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range From 5% To 5.5%    
Policyholder Account Balance [Line Items]    
Policyholder account balance $ 0 $ 0