Annual report pursuant to Section 13 and 15(d)

Derivatives - Other Risk Management Derivatives (Details)

v3.20.4
Derivatives - Other Risk Management Derivatives (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Interest rate lock commitments      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (loss) on derivatives not designated as hedging $ 165 $ 73 $ 47
Other income | Interest rate risk on mortgage activities      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (loss) on derivatives not designated as hedging 446 315 (107)
Other income | Credit risk on loans      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (loss) on derivatives not designated as hedging (68) (58) 9
Other income | Interest rate and foreign currency risk on ALM activities      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (loss) on derivatives not designated as hedging (2,971) 1,112 3,278
Other income | Price risk on deferred compensation hedges      
Derivative Instruments, Gain (Loss) [Line Items]      
Gain (loss) on derivatives not designated as hedging $ 700 $ 943 $ (495)