v3.26.3
Investments - Allowance for Credit Losses Rollforward (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]        
Debt Securities, Available-for-sale, Allowance for Credit Loss, Beginning Balance $ 704 $ 761 $ 758 $ 709
Debt Securities, Available-for-sale, Allowance for Credit Loss, Not Previously Recorded 20 4 22 49
Debt Securities, Available-for-sale, Allowance for Credit Loss, Securities Sold (22) (25) (113) (38)
Debt Securities, Available-for-sale, Allowance for Credit Loss, Not to Sell before Recovery, Credit Loss, Previously Recorded, Expense (Reversal) 61 43 96 63
Debt Securities, Available-for-sale, Allowance for Credit Loss, Ending Balance 763 783 763 783
Consolidated Entity, excluding Affiliated Entity        
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]        
Debt Securities, Available-for-sale, Allowance for Credit Loss, Beginning Balance 703 760 757 708
Debt Securities, Available-for-sale, Allowance for Credit Loss, Not Previously Recorded 20 4 22 49
Debt Securities, Available-for-sale, Allowance for Credit Loss, Securities Sold (22) (25) (113) (38)
Debt Securities, Available-for-sale, Allowance for Credit Loss, Not to Sell before Recovery, Credit Loss, Previously Recorded, Expense (Reversal) 61 43 96 63
Debt Securities, Available-for-sale, Allowance for Credit Loss, Ending Balance 762 782 762 782
Related Party        
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]        
Debt Securities, Available-for-sale, Allowance for Credit Loss, Beginning Balance     1  
Debt Securities, Available-for-sale, Allowance for Credit Loss, Ending Balance 1   1  
Corporate | Consolidated Entity, excluding Affiliated Entity        
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]        
Debt Securities, Available-for-sale, Allowance for Credit Loss, Beginning Balance 23 174 105 175
Debt Securities, Available-for-sale, Allowance for Credit Loss, Not Previously Recorded 0 0 0 0
Debt Securities, Available-for-sale, Allowance for Credit Loss, Securities Sold 0 (22) (49) (22)
Debt Securities, Available-for-sale, Allowance for Credit Loss, Not to Sell before Recovery, Credit Loss, Previously Recorded, Expense (Reversal) 28 (1) (5) (2)
Debt Securities, Available-for-sale, Allowance for Credit Loss, Ending Balance 51 151 51 151
Corporate | Related Party        
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]        
Debt Securities, Available-for-sale, Allowance for Credit Loss, Beginning Balance     0  
Debt Securities, Available-for-sale, Allowance for Credit Loss, Ending Balance 0   0  
ABS | Consolidated Entity, excluding Affiliated Entity        
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]        
Debt Securities, Available-for-sale, Allowance for Credit Loss, Beginning Balance 185 130 171 76
Debt Securities, Available-for-sale, Allowance for Credit Loss, Not Previously Recorded 2 0 2 40
Debt Securities, Available-for-sale, Allowance for Credit Loss, Securities Sold (12) 0 (12) (3)
Debt Securities, Available-for-sale, Allowance for Credit Loss, Not to Sell before Recovery, Credit Loss, Previously Recorded, Expense (Reversal)     24 47
Debt Securities, Available-for-sale, Allowance for Credit Loss, Ending Balance 185 160 185 160
ABS | Related Party        
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]        
Debt Securities, Available-for-sale, Allowance for Credit Loss, Beginning Balance 1 1 1 1
Debt Securities, Available-for-sale, Allowance for Credit Loss, Not Previously Recorded 0 0 0 0
Debt Securities, Available-for-sale, Allowance for Credit Loss, Securities Sold 0 0 0 0
Debt Securities, Available-for-sale, Allowance for Credit Loss, Not to Sell before Recovery, Credit Loss, Previously Recorded, Expense (Reversal) 0 0 0 0
Debt Securities, Available-for-sale, Allowance for Credit Loss, Ending Balance 1 1 1 1
CMBS | Consolidated Entity, excluding Affiliated Entity        
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]        
Debt Securities, Available-for-sale, Allowance for Credit Loss, Beginning Balance 78 62 70 60
Debt Securities, Available-for-sale, Allowance for Credit Loss, Not Previously Recorded 15 2 15 2
Debt Securities, Available-for-sale, Allowance for Credit Loss, Securities Sold 0 0 (24) 0
Debt Securities, Available-for-sale, Allowance for Credit Loss, Not to Sell before Recovery, Credit Loss, Previously Recorded, Expense (Reversal) 10 3 42 5
Debt Securities, Available-for-sale, Allowance for Credit Loss, Ending Balance 103 67 103 67
CMBS | Related Party        
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]        
Debt Securities, Available-for-sale, Allowance for Credit Loss, Beginning Balance     0  
Debt Securities, Available-for-sale, Allowance for Credit Loss, Ending Balance 0   0  
RMBS | Consolidated Entity, excluding Affiliated Entity        
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]        
Debt Securities, Available-for-sale, Allowance for Credit Loss, Beginning Balance 417 394 411 397
Debt Securities, Available-for-sale, Allowance for Credit Loss, Not Previously Recorded 3 2 5 7
Debt Securities, Available-for-sale, Allowance for Credit Loss, Securities Sold (10) (3) (28) (13)
Debt Securities, Available-for-sale, Allowance for Credit Loss, Not to Sell before Recovery, Credit Loss, Previously Recorded, Expense (Reversal) 13 11 35 13
Debt Securities, Available-for-sale, Allowance for Credit Loss, Ending Balance 423 404 423 $ 404
CLO | Consolidated Entity, excluding Affiliated Entity        
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]        
Debt Securities, Available-for-sale, Allowance for Credit Loss, Beginning Balance     0  
Debt Securities, Available-for-sale, Allowance for Credit Loss, Not to Sell before Recovery, Credit Loss, Previously Recorded, Expense (Reversal) 10 $ 30    
Debt Securities, Available-for-sale, Allowance for Credit Loss, Ending Balance 0   0  
CLO | Related Party        
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward]        
Debt Securities, Available-for-sale, Allowance for Credit Loss, Beginning Balance     0  
Debt Securities, Available-for-sale, Allowance for Credit Loss, Ending Balance $ 0   $ 0