v3.24.2
Investments - Net Investment (Losses) and Gains (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Other investments:        
Net losses on investments $ (87) $ (128) $ (253) $ (219)
Fixed maturity securities:        
Fixed maturity securities:        
Gross realized gains from sales 17 11 39 21
Gross realized losses from sales (88) (99) (247) (214)
Impairment losses recognized in income (3) (3) (4) (10)
Net realized losses from sales of fixed maturity securities (74) (91) (212) (203)
Equity securities:        
Equity securities:        
Unrealized (losses) gains recognized on equity securities still held at the end of the period (2) 2 1 (2)
Net realized gains (losses) recognized on equity securities sold during the period 0 1 (1) 4
Net (losses) gains on equity securities (2) 3 0 2
Other investments:        
Fixed maturity securities:        
Impairment losses recognized in income (1) (26) (26) (29)
Other investments:        
Gross gains 3 2 10 20
Gross losses (13) (16) (25) (9)
Net losses on other investments $ (11) $ (40) $ (41) $ (18)