Quarterly report pursuant to Section 13 or 15(d)

Derivatives - Other Risk Management Derivatives (Details)

v3.19.1
Derivatives - Other Risk Management Derivatives (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Interest rate lock commitments    
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) on derivatives not designated as hedging $ 12 $ 14
Other income | Interest rate risk on mortgage activities    
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) on derivatives not designated as hedging 104 (135)
Other income | Credit risk on loans    
Derivative Instruments, Gain (Loss) [Line Items]    
Gain (loss) on derivatives not designated as hedging (26) (3)
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 $ 1,112 $ (139)