Quarterly report pursuant to Section 13 or 15(d)

Derivatives - Other Risk Management Derivatives (Details)

v3.19.2
Derivatives - Other Risk Management Derivatives (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Interest rate lock commitments        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (loss) on derivatives not designated as hedging $ 24 $ 14 $ 36 $ 28
Other income | Interest rate risk on mortgage activities        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (loss) on derivatives not designated as hedging 147 (26) 251 (161)
Other income | Credit risk on loans        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (loss) on derivatives not designated as hedging (14) (2) (40) (5)
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 $ (292) $ 702 $ 820 $ 563