v3.24.0.1
Long-duration Contracts - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Liability for Future Policy Benefit, Activity [Line Items]      
Increase future policy benefits for payout annuities with life contingencies $ 11,950 $ 1,144  
Issuances 13,518 11,528  
Change in discount rate assumptions (2,236) 8,425  
Interest accrual 1,664 1,146  
Benefit payments 3,852 2,921  
Other (1,509)    
Effect of changes in cash flow assumptions (297)    
Increase in reserves 136 50  
Remeasurement gains (losses) on market risk benefits related to credit risk (374) 366 $ 0
Related Party      
Liability for Future Policy Benefit, Activity [Line Items]      
Other (1,509)    
Traditional Deferred Annuities and Indexed Annuities      
Liability for Future Policy Benefit, Activity [Line Items]      
Increase (decrease) in market risk benefit liabilities 884 (1,958)  
Attributed fees collected 338 333  
Remeasurement gains (losses) on market risk benefits related to credit risk (374) 366  
Interest accrual 157 56  
Issuances 106 60  
Effect of changes in equity (119) 176  
Effect of changes in interest rates $ (91) $ (2,169)