Quarterly report pursuant to Section 13 or 15(d)

Derivatives - Gains and Losses on Derivatives Designated as Fair Value Hedges (Details)

v3.22.1
Derivatives - Gains and Losses on Derivatives Designated as Fair Value Hedges (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Effect of Fair Value Hedges on Results of Operations [Abstract]    
Derivative $ (1,458) $ (2,850)
Hedged Item 1,559 2,878
Interest rate risk on long-term debt    
Effect of Fair Value Hedges on Results of Operations [Abstract]    
Derivative (11,034) (8,063)
Hedged Item 11,219 8,002
Interest rate and foreign currency risk on long-term debt    
Effect of Fair Value Hedges on Results of Operations [Abstract]    
Derivative (9) (28)
Hedged Item 8 26
Interest rate and foreign currency risk on long-term debt | Interest expense    
Effect of Fair Value Hedges on Results of Operations [Abstract]    
Derivative (21) (34)
Interest rate and foreign currency risk on long-term debt | Market making and similar activities    
Effect of Fair Value Hedges on Results of Operations [Abstract]    
Derivative 14 8
Interest rate risk on AFS securities    
Effect of Fair Value Hedges on Results of Operations [Abstract]    
Derivative 9,585 5,241
Hedged Item (9,668) (5,150)
Accumulated Other Comprehensive Income (Loss) | Interest rate and foreign currency risk on long-term debt    
Effect of Fair Value Hedges on Results of Operations [Abstract]    
Derivative $ (2) $ (2)