v3.26.1
Fair Value of Financial Instruments - Changes in Unrealized Gains (Losses) Included in OCI (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Corporate bonds        
Fair Value Assets And Liabilities Measured On Recurring Basis Level 3 Activity [Line Items]        
Unrealized gains (losses) included in OCI, net $ (7) $ (7) $ (45) $ (17)
CMBS        
Fair Value Assets And Liabilities Measured On Recurring Basis Level 3 Activity [Line Items]        
Unrealized gains (losses) included in OCI, net (1) 0 (2) 0
ABS        
Fair Value Assets And Liabilities Measured On Recurring Basis Level 3 Activity [Line Items]        
Unrealized gains (losses) included in OCI, net (30) (6) (69) 10
Hybrid and redeemable preferred securities        
Fair Value Assets And Liabilities Measured On Recurring Basis Level 3 Activity [Line Items]        
Unrealized gains (losses) included in OCI, net (1) 0 (1) 0
Mortgage loans on real estate        
Fair Value Assets And Liabilities Measured On Recurring Basis Level 3 Activity [Line Items]        
Unrealized gains (losses) included in OCI, net $ 0 $ 2 $ 0 $ 4