v3.26.1
Changes in Accumulated Other Comprehensive Income (Loss) - Schedule of Changes in Accumulated Other Comprehensive Income (Loss), Net of Taxes (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]    
Balances, beginning $ 9,767 $ 9,381
OCI before reclassifications 103 259
Amounts reclassified from OCI (13) (28)
Total other comprehensive income (loss) 90 231
Balances, ending 9,841 9,631
AOCI Including Portion Attributable to Noncontrolling Interest    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balances, beginning (1,324) (1,643)
Balances before noncontrolling interests (1,234) (1,412)
Net unrealized investment gains (losses)    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balances, beginning (1,987) (3,156)
OCI before reclassifications (566) 503
Amounts reclassified from OCI 17 3
Total other comprehensive income (loss) (549) 506
Balances before noncontrolling interests (2,536) (2,650)
Derivative qualifying as hedges    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balances, beginning 187 492
OCI before reclassifications 23 74
Amounts reclassified from OCI (30) (31)
Total other comprehensive income (loss) (7) 43
Balances before noncontrolling interests 180 535
Change in the discount rate used to measure future policy benefits    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balances, beginning 463 1,022
OCI before reclassifications 649 (319)
Amounts reclassified from OCI 0 0
Total other comprehensive income (loss) 649 (319)
Balances before noncontrolling interests 1,112 703
Change in instrument- specific credit risk of market risk benefits    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balances, beginning (4) (5)
OCI before reclassifications 0 (1)
Amounts reclassified from OCI 0 0
Total other comprehensive income (loss) 0 (1)
Balances before noncontrolling interests (4) (6)
Foreign currency translation and other adjustments    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balances, beginning 17 4
OCI before reclassifications (3) 2
Amounts reclassified from OCI 0 0
Total other comprehensive income (loss) (3) 2
Balances before noncontrolling interests 14 6
Noncontrolling interests    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balances, beginning 1,017 937
Total other comprehensive income (loss) (10) 10
Balances, ending 1,026 971
Net unrealized investment gains (losses)    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Total other comprehensive income (loss) (10) 10
Derivative qualifying as hedges    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Total other comprehensive income (loss) 0 0
Change in the discount rate used to measure future policy benefits    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Total other comprehensive income (loss) 0 0
Change in instrument- specific credit risk of market risk benefits    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Total other comprehensive income (loss) 0 0
Foreign currency translation and other adjustments    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Total other comprehensive income (loss) 0 0
AOCI Attributable to Parent    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balances, beginning (1,324) (1,643)
Total other comprehensive income (loss) 100 221
Balances, ending (1,224) (1,422)
Net unrealized investment gains (losses)    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balances, ending (2,526) (2,660)
Derivative qualifying as hedges    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balances, ending 180 535
Change in the discount rate used to measure future policy benefits    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balances, ending 1,112 703
Change in instrument- specific credit risk of market risk benefits    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balances, ending (4) (6)
Foreign currency translation and other adjustments    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balances, ending $ 14 $ 6