v3.26.3
Equity - Schedule of Other Comprehensive Income (Loss) Reclassification Adjustments (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Reclassification of significant items out of Accumulated Other Comprehensive Income        
Less: Income tax expense (benefit) $ (92) $ 25 $ (151) $ (95)
Total other comprehensive income (loss) (1,848) 502 (2,467) 2,054
AOCI Including Portion Attributable to Noncontrolling Interest        
Reclassification of significant items out of Accumulated Other Comprehensive Income        
Unrealized change arising during period (2,130) 416 (3,016) 1,420
Less: Reclassification adjustments included in net income (190) (111) (398) (539)
Total other comprehensive income (loss), before income tax expense (benefit) (1,940) 527 (2,618) 1,959
Less: Income tax expense (benefit) (92) 25 (151) (95)
Total other comprehensive income (loss) (1,848) 502 (2,467) 2,054
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 0 0 0 (3)
Less: Reclassification adjustments included in net income (5) 0 (5) 0
Total other comprehensive income (loss), before income tax expense (benefit) 5 0 5 (3)
Less: Income tax expense (benefit) 1 0 1 (1)
Total other comprehensive income (loss) 4 0 4 (2)
Unrealized Appreciation (Depreciation) of All Other Investments        
Reclassification of significant items out of Accumulated Other Comprehensive Income        
Unrealized change arising during period (2,220) 461 (2,997) 875
Less: Reclassification adjustments included in net income (174) (102) (367) (515)
Total other comprehensive income (loss), before income tax expense (benefit) (2,046) 563 (2,630) 1,390
Less: Income tax expense (benefit) (86) 16 (162) (74)
Total other comprehensive income (loss) (1,960) 547 (2,468) 1,464
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 15 7 28 16
Less: Reclassification adjustments included in net income 0 0 0 0
Total other comprehensive income (loss), before income tax expense (benefit) 15 7 28 16
Less: Income tax expense (benefit) 3 2 7 4
Total other comprehensive income (loss) 12 5 21 12
Foreign Currency Translation Adjustments        
Reclassification of significant items out of Accumulated Other Comprehensive Income        
Unrealized change arising during period 78 (52) (45) 537
Less: Reclassification adjustments included in net income 0 0 0 0
Total other comprehensive income (loss), before income tax expense (benefit) 78 (52) (45) 537
Less: Income tax expense (benefit) (12) 4 (3) (30)
Total other comprehensive income (loss) 90 (56) (42) 567
Retirement Plan Liabilities Adjustment        
Reclassification of significant items out of Accumulated Other Comprehensive Income        
Unrealized change arising during period (3) 0 (2) (5)
Less: Reclassification adjustments included in net income (11) (9) (26) (24)
Total other comprehensive income (loss), before income tax expense (benefit) 8 9 24 19
Less: Income tax expense (benefit) 2 3 6 6
Total other comprehensive income (loss) $ 6 $ 6 $ 18 $ 13