Quarterly report pursuant to Section 13 or 15(d)

COMMITMENTS AND CONTINGENT LIABILITIES - Commitments to Extend Credit (Details)

v3.20.1
COMMITMENTS AND CONTINGENT LIABILITIES - Commitments to Extend Credit (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Commercial    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Contract amount represents credit risk $ 16,174 $ 18,326
Consumer    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Contract amount represents credit risk 14,526 14,831
Commercial Real Estate [Member]    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Contract amount represents credit risk 1,164 1,364
Standby letters of credit    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Contract amount represents credit risk 570 587
Commercial | Commercial letters-of-credit    
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]    
Contract amount represents credit risk $ 5 $ 8