v3.25.4
Investments - Schedule of Activity in Allowance for Credit Losses (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]    
Beginning balance $ 709 $ 591
Initial credit losses 55 118
Securities sold during the period (71) (41)
Additions (reductions) to previously impaired securities 65 41
Ending balance 758 709
Nonrelated Party    
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]    
Beginning balance 708 590
Initial credit losses 55 118
Securities sold during the period (71) (41)
Additions (reductions) to previously impaired securities 65 41
Ending balance 757 708
Related Party    
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]    
Beginning balance 1  
Ending balance 1 1
Corporate | Nonrelated Party    
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]    
Beginning balance 175 129
Initial credit losses 0 48
Securities sold during the period (29) (8)
Additions (reductions) to previously impaired securities (41) 6
Ending balance 105 175
Corporate | Related Party    
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]    
Beginning balance 0  
Ending balance 0 0
CLO | Nonrelated Party    
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]    
Beginning balance 0 2
Initial credit losses   1
Securities sold during the period   0
Additions (reductions) to previously impaired securities   (3)
Ending balance 0 0
CLO | Related Party    
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]    
Beginning balance 0  
Ending balance 0 0
ABS | Nonrelated Party    
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]    
Beginning balance 76 49
Initial credit losses 40 25
Securities sold during the period (15) (16)
Additions (reductions) to previously impaired securities 70 18
Ending balance 171 76
ABS | Related Party    
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]    
Beginning balance 1 1
Initial credit losses 0 0
Securities sold during the period 0 0
Additions (reductions) to previously impaired securities 0 0
Ending balance 1 1
CMBS | Nonrelated Party    
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]    
Beginning balance 60 29
Initial credit losses 3 27
Securities sold during the period 0 0
Additions (reductions) to previously impaired securities 7 4
Ending balance 70 60
CMBS | Related Party    
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]    
Ending balance 0  
RMBS | Nonrelated Party    
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]    
Beginning balance 397 381
Initial credit losses 12 17
Securities sold during the period (27) (17)
Additions (reductions) to previously impaired securities 29 16
Ending balance $ 411 $ 397