v3.26.1
Equity - Schedule of Other Comprehensive Income (Loss) Reclassification Adjustments (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Reclassification of significant items out of Accumulated Other Comprehensive Income        
Less: Income tax expense (benefit) $ 57 $ (4) $ (59) $ (120)
Other comprehensive income (loss) 109 916 (619) 1,552
AOCI Including Portion Attributable to Noncontrolling Interest        
Reclassification of significant items out of Accumulated Other Comprehensive Income        
Unrealized change arising during period 96 754 (886) 1,004
Less: Reclassification adjustments included in net income (70) (158) (208) (428)
Total other comprehensive income (loss), before of income tax expense (benefit) 166 912 (678) 1,432
Less: Income tax expense (benefit) 57 (4) (59) (120)
Other comprehensive income (loss) 109 916 (619) 1,552
Unrealized Appreciation (Depreciation) of Fixed Maturity Securities on Which Allowance for Credit Losses Was Taken        
Reclassification of significant items out of Accumulated Other Comprehensive Income        
Unrealized change arising during period 1 (7) 0 (3)
Less: Reclassification adjustments included in net income 0 0 0 0
Total other comprehensive income (loss), before of income tax expense (benefit) 1 (7) 0 (3)
Less: Income tax expense (benefit) 0 (1) 0 (1)
Other comprehensive income (loss) 1 (6) 0 (2)
Unrealized Appreciation (Depreciation) of All Other Investments        
Reclassification of significant items out of Accumulated Other Comprehensive Income        
Unrealized change arising during period 90 352 (777) 414
Less: Reclassification adjustments included in net income (63) (151) (193) (413)
Total other comprehensive income (loss), before of income tax expense (benefit) 153 503 (584) 827
Less: Income tax expense (benefit) 45 11 (76) (90)
Other comprehensive income (loss) 108 492 (508) 917
Change in the discount rates used to measure traditional and limited payment long-duration insurance contracts        
Reclassification of significant items out of Accumulated Other Comprehensive Income        
Unrealized change arising during period 8 0 13 9
Less: Reclassification adjustments included in net income 0 0 0 0
Total other comprehensive income (loss), before of income tax expense (benefit) 8 0 13 9
Less: Income tax expense (benefit) 3 (1) 4 2
Other comprehensive income (loss) 5 1 9 7
Foreign Currency Translation Adjustments        
Reclassification of significant items out of Accumulated Other Comprehensive Income        
Unrealized change arising during period (4) 414 (123) 589
Less: Reclassification adjustments included in net income 0 0 0 0
Total other comprehensive income (loss), before of income tax expense (benefit) (4) 414 (123) 589
Less: Income tax expense (benefit) 7 (15) 9 (34)
Other comprehensive income (loss) (11) 429 (132) 623
Retirement Plan Liabilities Adjustment        
Reclassification of significant items out of Accumulated Other Comprehensive Income        
Unrealized change arising during period 1 (5) 1 (5)
Less: Reclassification adjustments included in net income (7) (7) (15) (15)
Total other comprehensive income (loss), before of income tax expense (benefit) 8 2 16 10
Less: Income tax expense (benefit) 2 2 4 3
Other comprehensive income (loss) $ 6 $ 0 $ 12 $ 7