v3.26.1
Fair Value of Financial Instruments - Schedule of Fair Value Financial Instruments Not Required to be Carried at Fair Value (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Assets:    
Commercial mortgage loans, net $ 6,351 $ 6,304
Liabilities:    
Long-term borrowings 1,500 1,513
Commitments to fund investments: 1,837 1,916
Level 1    
Assets:    
Commercial mortgage loans, net 0 0
Other invested assets 0 0
Liabilities:    
Long-term borrowings 0 0
Investment contracts 0 0
Level 2    
Assets:    
Commercial mortgage loans, net 6 6
Other invested assets 0 0
Liabilities:    
Long-term borrowings 1,439 1,471
Investment contracts 0 0
Level 3    
Assets:    
Commercial mortgage loans, net 6,066 6,086
Other invested assets 710 651
Liabilities:    
Long-term borrowings 0 0
Investment contracts 3,954 3,944
Carrying amount    
Assets:    
Commercial mortgage loans, net 6,351 6,304
Other invested assets 703 642
Liabilities:    
Long-term borrowings 1,500 1,513
Investment contracts 3,930 3,869
Fair value    
Assets:    
Commercial mortgage loans, net 6,072 6,092
Other invested assets 710 651
Liabilities:    
Long-term borrowings 1,439 1,471
Investment contracts 3,954 3,944
Notional amount | Private placement investments    
Liabilities:    
Commitments to fund investments: 677 362
Notional amount | Bank loan investments    
Liabilities:    
Commitments to fund investments: 122 118
Notional amount | Commercial mortgage loans    
Liabilities:    
Commitments to fund investments: $ 16 $ 7