v3.26.3
Accumulated Other Comprehensive Income (Loss) - Schedule of Changes in Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Balance beginning of period $ 10,474 $ 10,602 $ 10,342 $ 9,982
Change in unrealized gains (losses) of investments (2,197) 565 (2,621) 1,557
Change in current discount rate - reserve for future policy benefits 253 (87) 312 (193)
Change in non-performance risk on market risk benefits (167) (585) 103 (525)
Change in unrealized gains (losses) - other 13 (2) 44 (8)
Change in deferred tax asset 54 128 (37) 90
Other comprehensive income (loss) before reclassifications (2,044) 19 (2,199) 921
Reclassifications from AOCI, net of tax 5 (5) 5 (8)
Total other comprehensive income (loss) (2,039) 14 (2,194) 913
Balance end of period 9,004 10,501 9,004 10,501
Accumulated Other Comprehensive Income        
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]        
Balance beginning of period (2,625) (2,623) (2,470) (3,522)
Total other comprehensive income (loss) (2,039) 14 (2,194) 913
Balance end of period (4,664) $ (2,609) (4,664) $ (2,609)
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 $ (1,507)   $ (1,507)