v3.25.2
Investments - Schedule of Rollforward of Credit Loss Allowance for Fixed Income Securities (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]        
Ending balance $ (17) $ (19) $ (17) $ (19)
Fixed income securities        
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]        
Beginning balance (18) (17) (17) (36)
Credit losses on securities for which credit losses not previously reported 0 (4) (1) (7)
Net (increases) decreases related to credit losses previously reported 1 (1) 1 3
(Increase) decrease related to sales and other 0 0 0 3
Write-offs 0 3 0 18
Ending balance (17) (19) (17) (19)
Corporate bonds        
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]        
Ending balance (16) (18) (16) (18)
ABS        
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]        
Ending balance $ (1) $ (1) $ (1) $ (1)