v3.26.1
Market Risk Benefits Rollforward (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jan. 01, 2025
Market Risk Benefit [Line Items]      
Beginning balance $ 1,948    
Transfer 1,745    
Ending balance 1,745    
Variable Annuity | Corporate And Other      
Market Risk Benefit [Line Items]      
Transfer 1,609 $ 2,051  
Attributed fees collected 147 160  
Benefit payments (49) (45)  
Effect of changes in interest rates (123) 26  
Effect of changes in capital markets (276) (181)  
Effect of changes in equity index volatility 48 (3)  
Actual policyholder behavior different from expected behavior 124 139  
Effect of foreign currency translation and other, net (2) 67  
Effect of changes in risk margin (30) (2)  
Balance, end of period, before the cumulative effect of changes in the instrument-specific credit risk 1,504 1,962  
Cumulative effect of changes in the instrument-specific credit risk 107 87  
Cumulative effect of changes in the instrument-specific credit risk (2) 2  
Ending balance 1,609 2,051  
Less: Reinsurance recoverable 209 0  
Balance, end of period, net of reinsurance 1,400 2,051  
Variable Annuity | Corporate And Other | Previously Reported      
Market Risk Benefit [Line Items]      
Beginning balance 1,785 2,069  
Transfer      
Balance, beginning of period, before effect of cumulative changes in the instrument-specific credit risk 1,665 1,992  
Variable Annuity | Corporate And Other | Reclassification, Segmentation Basis Change      
Market Risk Benefit [Line Items]      
Transfer     $ (165)
Balance, beginning of period, before effect of cumulative changes in the instrument-specific credit risk 0 (191)  
Variable Annuity | Corporate And Other | In the event of death      
Market Risk Benefit [Line Items]      
Net amount at risk $ 2,116 $ 2,418  
Average attained age of policyholders 73 years 72 years  
Variable Annuity | Corporate And Other | At annuitization or exercise of other living benefits      
Market Risk Benefit [Line Items]      
Net amount at risk $ 697 $ 711  
Average attained age of policyholders 72 years 72 years  
Variable Annuity | RIS | Reclassification, Segmentation Basis Change      
Market Risk Benefit [Line Items]      
Transfer     $ 165
Insurance, Other      
Market Risk Benefit [Line Items]      
Beginning balance $ 163    
Transfer 136 $ 306  
Attributed fees collected 29 32  
Benefit payments (9) (10)  
Effect of changes in interest rates (33) (17)  
Effect of changes in capital markets (50) (28)  
Effect of changes in equity index volatility 41 (1)  
Actual policyholder behavior different from expected behavior 16 7  
Effect of foreign currency translation and other, net (12) 15  
Effect of changes in risk margin (2) (1)  
Balance, end of period, before the cumulative effect of changes in the instrument-specific credit risk 140 314  
Cumulative effect of changes in the instrument-specific credit risk (3) (10)  
Cumulative effect of changes in the instrument-specific credit risk (1) 2  
Ending balance 136 306  
Less: Reinsurance recoverable 8 15  
Balance, end of period, net of reinsurance 128 291  
Insurance, Other | Previously Reported      
Market Risk Benefit [Line Items]      
Beginning balance 163 140  
Transfer      
Balance, beginning of period, before effect of cumulative changes in the instrument-specific credit risk 160 126  
Insurance, Other | Reclassification, Segmentation Basis Change      
Market Risk Benefit [Line Items]      
Balance, beginning of period, before effect of cumulative changes in the instrument-specific credit risk $ 0 $ 191