Annual report pursuant to Section 13 and 15(d)

DERIVATIVE FINANCIAL INSTRUMENTS - Gain (Loss) (Details)

v3.22.0.1
DERIVATIVE FINANCIAL INSTRUMENTS - Gain (Loss) (Details) - Derivatives not designated as Hedging Instruments - Fair Value Hedging - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net $ 132 $ 129 $ 112
Interest rate contracts | Capital markets fees      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net 50 47 49
Interest rate contracts | Mortgage banking income      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net (26) 52 37
Interest rate floors | Interest and fee income on loans and leases      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net (8) (2) 4
Interest rate caps | Interest expense on long-term debt      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net 89 5 0
Foreign exchange contracts | Capital markets fees      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net 32 27 28
Commodities contracts | Capital markets fees      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net 3 4 (2)
Equity contracts | Other noninterest expense      
Derivative Instruments, Gain (Loss) [Line Items]      
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net $ (8) $ (4) $ (4)