v3.26.1
Shares and Stockholders’ Equity - Schedule of Reclassifications Out of AOCI (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Interest and debt expense $ 81 $ 80
Net investment income (1,605) (1,462)
Realized (gain) loss (466) (11)
Benefits 2,055 2,068
Income (loss) before taxes 246 949
Federal income tax expense (benefit) (74) (227)
Net Income (Loss) 172 722
Reclassification out of Accumulated Other Comprehensive Income | Unrealized Gain (Loss) on Fixed Maturity AFS Securities and Certain    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Realized (gain) loss (15) (118)
Benefits 2 28
Income (loss) before taxes (13) (90)
Federal income tax expense (benefit) 3 19
Net Income (Loss) (10) (71)
Reclassification out of Accumulated Other Comprehensive Income | Unrealized Gain (Loss) on Derivative Instruments    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Interest and debt expense 2 3
Net investment income 15 15
Realized (gain) loss 1 3
Income (loss) before taxes 18 21
Federal income tax expense (benefit) (4) (4)
Net Income (Loss) $ 14 $ 17