v3.23.1
Market Risk Benefits - Rollforward of market risk benefits (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Market Risk Benefit [Roll Forward]    
Balance, beginning of year $ 7,034 $ 8,563
Balance, beginning of year, before effect of changes in instrument-specific credit risk 4,933 6,236
Issuances 288 275
Interest accrual 193 163
Attributed fees 934 879
Expected claims (85) (56)
Effect of changes in interest rates (4,458) (1,205)
Effect of changes in interest rate volatility 281 78
Effect of changes in equity markets 1,504 (1,617)
Effect of changes in equity index volatility (74) 53
Actual outcome different from model expected outcome 161 114
Effect of changes in future expected policyholder behavior (20) 17
Effect of changes in other future expected assumptions (85)  
Other, including foreign exchange (3) (4)
Balance, end of period, before effect of changes in instrument-specific credit risk 3,569 4,933
Effect of changes in the instrument-specific credit risk 465 2,101
Balance, end of period 4,034 7,034
Less: Reinsured MRB, end of period (94) (145)
Net Liability Balance after reinsurance recoverable 3,940 6,889
Combined    
Net amount at risk    
Net amount at risk 2,123 581
Guaranteed Minimum Death Benefit    
Net amount at risk    
Net amount at risk 1,986 843
Index credits on fixed index annuities(i)    
Net amount at risk    
Net amount at risk 28 949
Individual Retirement    
Market Risk Benefit [Roll Forward]    
Balance, beginning of year 6,452 7,761
Balance, beginning of year, before effect of changes in instrument-specific credit risk 4,518 5,621
Issuances 263 247
Interest accrual 172 142
Attributed fees 864 805
Expected claims (83) (54)
Effect of changes in interest rates (4,087) (1,098)
Effect of changes in interest rate volatility 263 74
Effect of changes in equity markets 1,382 (1,414)
Effect of changes in equity index volatility (75) 33
Actual outcome different from model expected outcome 164 106
Effect of changes in future expected policyholder behavior (2) 53
Effect of changes in other future expected assumptions (85)  
Other, including foreign exchange 3 3
Balance, end of period, before effect of changes in instrument-specific credit risk 3,297 4,518
Effect of changes in the instrument-specific credit risk 441 1,934
Balance, end of period 3,738 6,452
Less: Reinsured MRB, end of period (94) (145)
Net Liability Balance after reinsurance recoverable $ 3,644 $ 6,307
Net amount at risk    
Average attained age of contract holders 70 years 70 years
Individual Retirement | Combined    
Net amount at risk    
Net amount at risk $ 2,084 $ 567
Individual Retirement | Guaranteed Minimum Death Benefit    
Net amount at risk    
Net amount at risk 1,615 684
Individual Retirement | Index credits on fixed index annuities(i)    
Net amount at risk    
Net amount at risk 27 831
Group Retirement    
Market Risk Benefit [Roll Forward]    
Balance, beginning of year 582 802
Balance, beginning of year, before effect of changes in instrument-specific credit risk 415 615
Issuances 25 28
Interest accrual 21 21
Attributed fees 70 74
Expected claims (2) (2)
Effect of changes in interest rates (371) (107)
Effect of changes in interest rate volatility 18 4
Effect of changes in equity markets 122 (203)
Effect of changes in equity index volatility 1 20
Actual outcome different from model expected outcome (3) 8
Effect of changes in future expected policyholder behavior (18) (36)
Effect of changes in other future expected assumptions 0  
Other, including foreign exchange (6) (7)
Balance, end of period, before effect of changes in instrument-specific credit risk 272 415
Effect of changes in the instrument-specific credit risk 24 167
Balance, end of period 296 582
Less: Reinsured MRB, end of period 0 0
Net Liability Balance after reinsurance recoverable $ 296 $ 582
Net amount at risk    
Average attained age of contract holders 64 years 63 years
Group Retirement | Combined    
Net amount at risk    
Net amount at risk $ 39 $ 14
Group Retirement | Guaranteed Minimum Death Benefit    
Net amount at risk    
Net amount at risk 371 159
Group Retirement | Index credits on fixed index annuities(i)    
Net amount at risk    
Net amount at risk $ 1 $ 118