v3.26.1
Equity - Reclassification of significant items out of accumulated other comprehensive income (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Amount Reclassified from AOCI    
Net realized gains (losses) $ (336) $ (1,414)
Policyholder benefits 974 1,457
Total reclassifications for the period (61) (657)
Amount Reclassified from AOCI    
Amount Reclassified from AOCI    
Total reclassifications for the period (259) (123)
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) 4 (1)
Total reclassifications for the period 4 (1)
Unrealized appreciation (depreciation) of all other investments | Amount Reclassified from AOCI    
Amount Reclassified from AOCI    
Net realized gains (losses) (263) (155)
Total reclassifications for the period (263) (155)
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 33
Total reclassifications for the period $ 0 $ 33