v3.26.1
Changes in Accumulated Other Comprehensive Income (Loss) - Schedule of Reclassifications in (out) of Accumulated Other Comprehensive Income (Loss), Net of Taxes (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Net investment (gains) losses $ 26 $ (27)
Provision (benefit) for income taxes 31 36
Net investment income (766) (739)
Interest expense 25 26
(Income) loss from continuing operations (80) (90)
Amount reclassified from accumulated other comprehensive income (loss) | Net unrealized investment (gains) losses:    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Net investment (gains) losses 21 4
Provision (benefit) for income taxes (4) (1)
(Income) loss from continuing operations 17 3
Amount reclassified from accumulated other comprehensive income (loss) | Derivatives qualifying as hedges:    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Provision (benefit) for income taxes 16 18
(Income) loss from continuing operations (30) (31)
Amount reclassified from accumulated other comprehensive income (loss) | Derivatives qualifying as hedges: | Interest rate swaps    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Net investment income (44) (48)
Interest expense 1 0
Amount reclassified from accumulated other comprehensive income (loss) | Derivatives qualifying as hedges: | Interest rate swaps | Derivative Financial Instruments, Assets    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Net investment (gains) losses $ (3) $ (1)