v3.25.4
Shares and Stockholders' Equity - Schedule of Reclassifications Out of AOCI (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Realized (gain) loss $ 746 $ (276) $ 4,934
Benefits 5,451 2,100 5,028
Net investment income (5,625) (5,107) (5,733)
Income (loss) before taxes (1,068) (2,582) 2,461
Federal income tax expense (benefit) 103 452 (673)
Net income (loss) (965) (2,130) 1,788
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 (71) (182) (4,014)
Benefits 13 9 589
Income (loss) before taxes (58) (173) (3,425)
Federal income tax expense (benefit) 12 36 719
Net income (loss) (46) (137) (2,706)
Reclassification out of Accumulated Other Comprehensive Income | Unrealized Gain (Loss) on Derivative Instruments      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Realized (gain) loss (3) 8 7
Income (loss) before taxes 54 64 60
Federal income tax expense (benefit) (11) (13) (13)
Net income (loss) 43 51 47
Reclassification out of Accumulated Other Comprehensive Income | Unrealized Gain (Loss) on Derivative Instruments | Interest rate contracts      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Net investment income 0 (3) (1)
Reclassification out of Accumulated Other Comprehensive Income | Unrealized Gain (Loss) on Derivative Instruments | Foreign currency contracts      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Net investment income $ 57 $ 59 $ 54