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 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net investment (gains) losses $ (37) $ 28 $ (11) $ 1
Provision (benefit) for income taxes 26 35 57 71
Net investment income (836) (802) (1,602) (1,541)
Interest expense 26 26 51 52
(Income) loss from continuing operations (83) (90) (163) (180)
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 5 18 26 22
Provision (benefit) for income taxes (1) (4) (5) (5)
(Income) loss from continuing operations 4 14 21 17
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 17 16 33 34
(Income) loss from continuing operations (31) (31) (61) (62)
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 (gains) losses (5) (1) (8) (2)
Net investment income (42) (47) (86) (95)
Interest expense 0 1 1 1
Amount reclassified from accumulated other comprehensive income (loss) | Derivatives qualifying as hedges: | Forward bond purchase commitments        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Net investment (gains) losses $ (1) $ 0 $ (1) $ 0