v3.26.1
Market Risk Benefits Rollforward (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Jan. 01, 2025
Market Risk Benefit [Line Items]      
Beginning balance $ 1,948    
Transfer 2,130    
Ending balance 2,130    
Variable Annuity | Corporate And Other      
Market Risk Benefit [Line Items]      
Transfer 1,945 $ 2,184  
Attributed fees collected 74 80  
Benefit payments (24) (23)  
Effect of changes in interest rates (14) 108  
Effect of changes in capital markets 61 76  
Effect of changes in equity index volatility 66 11  
Actual policyholder behavior different from expected behavior 66 72  
Effect of foreign currency translation and other, net (28) (14)  
Effect of changes in risk margin 2 14  
Balance, end of period, before the cumulative effect of changes in the instrument-specific credit risk 1,868 2,125  
Cumulative effect of changes in the instrument-specific credit risk 78 57  
Cumulative effect of changes in the instrument-specific credit risk (1) 2  
Ending balance 1,945 2,184  
Less: Reinsurance recoverable 373 0  
Balance, end of period, net of reinsurance 1,572 2,184  
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 $ 2,428 $ 2,582  
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 $ 830 $ 795  
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 185 $ 343  
Attributed fees collected 15 16  
Benefit payments (4) (4)  
Effect of changes in interest rates (6) 14  
Effect of changes in capital markets 1 5  
Effect of changes in equity index volatility 31 4  
Actual policyholder behavior different from expected behavior 7 3  
Effect of foreign currency translation and other, net (14) 3  
Effect of changes in risk margin 0 2  
Balance, end of period, before the cumulative effect of changes in the instrument-specific credit risk 190 360  
Cumulative effect of changes in the instrument-specific credit risk (4) (18)  
Cumulative effect of changes in the instrument-specific credit risk (1) 1  
Ending balance 185 343  
Less: Reinsurance recoverable 10 15  
Balance, end of period, net of reinsurance 175 328  
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