v3.26.1
Equity - Reclassification of significant items out of accumulated other comprehensive income (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Amount Reclassified from AOCI        
Net realized gains (losses) $ (554) $ (1,975) $ (890) $ (3,389)
Policyholder benefits 1,120 982 2,094 2,439
Total reclassifications for the period 2 (668) (59) (1,325)
Amount Reclassified from AOCI        
Amount Reclassified from AOCI        
Total reclassifications for the period (59) (768) (318) (891)
Unrealized Appreciation (Depreciation) of Fixed Maturity Securities on Which allowance for credit losses was Taken | Amount Reclassified from AOCI        
Amount Reclassified from AOCI        
Net realized gains (losses) 1 0 5 (1)
Total reclassifications for the period 1 0 5 (1)
Unrealized appreciation (depreciation) of all other investments | Amount Reclassified from AOCI        
Amount Reclassified from AOCI        
Net realized gains (losses) (60) (768) (323) (923)
Total reclassifications for the period (60) (768) (323) (923)
Change in the discount rates used to measure traditional and limited payment long-duration insurance contracts | Amount Reclassified from AOCI        
Amount Reclassified from AOCI        
Policyholder benefits 0 0 0 33
Total reclassifications for the period $ 0 $ 0 $ 0 $ 33