v3.26.1
Investments - Changes in Allowance for Credit Losses on Mortgage Loans on Real Estate (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Financing Receivable, Allowance for Credit Loss [Roll Forward]        
Balance as of beginning-of-year     $ 182  
Additions (reductions) from provision for credit loss expense $ 6 $ 8 4 $ 10
Balance as of end-of-year 177   177  
Accrued interest receivable excluded from credit losses 119 107 119 107
Mortgage loans on real estate        
Financing Receivable, Allowance for Credit Loss [Roll Forward]        
Balance as of beginning-of-year 180 154 182 152
Additions (reductions) from provision for credit loss expense 7 8 5 10
Additions from purchases of PCD mortgage loans on real estate 0 0 0 0
Reductions for mortgage loans on real estate charged off (10)   (10)  
Balance as of end-of-year 177 162 177 162
Credit loss benefit (expense) 1 1 1 1
Commercial        
Financing Receivable, Allowance for Credit Loss [Roll Forward]        
Balance as of beginning-of-year     113  
Balance as of end-of-year 111   111  
Commercial | Mortgage loans on real estate        
Financing Receivable, Allowance for Credit Loss [Roll Forward]        
Balance as of beginning-of-year 116 98 113 99
Additions (reductions) from provision for credit loss expense 5 (1) 8 (2)
Additions from purchases of PCD mortgage loans on real estate 0 0 0 0
Reductions for mortgage loans on real estate charged off (10)   (10)  
Balance as of end-of-year 111 97 111 97
Residential        
Financing Receivable, Allowance for Credit Loss [Roll Forward]        
Balance as of beginning-of-year     69  
Balance as of end-of-year 66   66  
Residential | Mortgage loans on real estate        
Financing Receivable, Allowance for Credit Loss [Roll Forward]        
Balance as of beginning-of-year 64 56 69 53
Additions (reductions) from provision for credit loss expense 2 9 (3) 12
Additions from purchases of PCD mortgage loans on real estate 0 0 0 0
Reductions for mortgage loans on real estate charged off 0   0  
Balance as of end-of-year $ 66 $ 65 $ 66 $ 65