v3.24.2.u1
Equity - Reclassification of significant items out of accumulated other comprehensive income (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Amount Reclassified from AOCI        
Net realized gains (losses) $ (747) $ (320) $ (1,067) $ (1,778)
Net (gain) loss on divestitures 241 59 246 56
Total reclassifications for the period 341 751 1,168 298
Amount Reclassified from AOCI        
Amount Reclassified from AOCI        
Total reclassifications for the period (424) (234) (766) (335)
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) (2) (3) (8) (17)
Total reclassifications for the period (2) (3) (8) (17)
Unrealized appreciation (depreciation) of all other investments | Amount Reclassified from AOCI        
Amount Reclassified from AOCI        
Net realized gains (losses) (540) (231) (876) (318)
Net (gain) loss on divestitures (61) 0 (61) 0
Total reclassifications for the period (601) (231) (937) (318)
Effect of changes in the discount rates used to measure traditional and limited-payment long duration insurance contracts | Amount Reclassified from AOCI        
Amount Reclassified from AOCI        
Net (gain) loss on divestitures 246 0 246 0
Total reclassifications for the period 246 0 246 0
Foreign Currency Translation Adjustments | Amount Reclassified from AOCI        
Amount Reclassified from AOCI        
Net (gain) loss on divestitures (67) 0 (67) 0
Total reclassifications for the period $ (67) $ 0 $ (67) $ 0