v3.26.1
Derivative Instruments - Effective Portion of Gains (Losses) Recognized in Other Comprehensive Income (Loss) and Gains (Losses) Reclassified from Other Comprehensive Income (Loss) into Earnings (Details) - Asset and Liability Management Positions - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Cash flow hedges | Interest rate contracts        
Cash flow hedges        
Gains (Losses) Recognized in Other Comprehensive Income (Loss) $ (169) $ 116 $ (291) $ 327
Gains (Losses) Reclassified from Other Comprehensive Income (Loss) into Earnings (31) (49) (62) (94)
Net investment hedges | Foreign exchange forward contracts        
Net investment hedges        
Gains (Losses) Recognized in Other Comprehensive Income (Loss) 16 (38) 34 (42)
Gains (Losses) Reclassified from Other Comprehensive Income (Loss) into Earnings 0 0 0 0
Net investment hedges | Non-derivative debt instruments        
Net investment hedges        
Gains (Losses) Recognized in Other Comprehensive Income (Loss) 11 (130) 49 (191)
Gains (Losses) Reclassified from Other Comprehensive Income (Loss) into Earnings $ 0 $ 0 $ 0 $ 0