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 $ 1,944    
Transfer 2,114    
Ending balance 2,114    
Variable Annuity      
Market Risk Benefit [Line Items]      
Transfer 1,981 $ 2,185  
Attributed fees collected 61 66  
Benefit payments (24) (23)  
Effect of changes in interest rates (5) 122  
Effect of changes in capital markets 63 60  
Effect of changes in equity index volatility 59 11  
Actual policyholder behavior different from expected behavior 57 57  
Effect of foreign currency translation and other, net (17) 3  
Effect of changes in risk margin 2 13  
Balance, end of period, before the cumulative effect of changes in the instrument-specific credit risk 1,938 2,144  
Cumulative effect of changes in the instrument-specific credit risk 43 41  
Ending balance 1,981 2,185  
Less: Reinsurance recoverable 373 0  
Balance, end of period, net of reinsurance 1,608 2,185  
Variable Annuity | Previously Reported      
Market Risk Benefit [Line Items]      
Beginning balance 1,827 2,069  
Transfer      
Balance, beginning of period, before effect of cumulative changes in the instrument-specific credit risk 1,742 2,026  
Variable Annuity | 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 | In the event of death      
Market Risk Benefit [Line Items]      
Net amount at risk $ 2,425 $ 2,577  
Average attained age of policyholders 73 years 72 years  
Variable Annuity | At annuitization or exercise of other living benefits      
Market Risk Benefit [Line Items]      
Net amount at risk $ 814 $ 738  
Average attained age of policyholders 72 years 71 years  
Insurance, Other      
Market Risk Benefit [Line Items]      
Beginning balance $ 117 $ 24  
Transfer 133 209  
Balance, beginning of period, before effect of cumulative changes in the instrument-specific credit risk 138 29  
Attributed fees collected 4 4  
Effect of changes in interest rates 6 12  
Effect of changes in capital markets 6 5  
Effect of changes in equity index volatility 14 3  
Actual policyholder behavior different from expected behavior 1 (2)  
Effect of foreign currency translation and other, net (11) 1  
Effect of changes in risk margin 1 2  
Balance, end of period, before the cumulative effect of changes in the instrument-specific credit risk 159 245  
Cumulative effect of changes in the instrument-specific credit risk (26) (36)  
Ending balance 133 209  
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