v3.26.1
Accumulated Other Comprehensive Income (Loss) - Schedule of Changes in Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balance beginning of period $ 10,342 $ 9,982
Change in unrealized gains (losses) of investments (575) 641
Change in current discount rate - reserve for future policy benefits 73 (75)
Change in non-performance risk on market risk benefits 333 327
Change in unrealized gains (losses) - other 7 (4)
Change in deferred tax asset (90) (93)
Other comprehensive income (loss) before reclassifications (252) 796
Reclassifications from AOCI, net of tax (6) 7
Total other comprehensive income (loss) (258) 803
Balance end of period 9,900 10,525
Accumulated Other Comprehensive Income    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balance beginning of period (2,470) (3,522)
Total other comprehensive income (loss) (258) 803
Balance end of period (2,728) $ (2,719)
Accumulated Other Comprehensive Income | Policy loans    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balance beginning of period (1,269)  
Balance end of period $ (1,319)