Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVE FINANCIAL INSTRUMENTS - Hedging Instruments (Details)

v3.19.2
DERIVATIVE FINANCIAL INSTRUMENTS - Hedging Instruments (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Derivatives, Fair Value [Line Items]          
Document Period End Date     Jun. 30, 2019    
Asset derivatives included in accrued income and other assets          
Total contracts $ 831   $ 831   $ 500
Liability derivatives included in accrued expenses and other liabilities          
Total contracts 489   489   404
Accrued income and other assets          
Asset derivatives included in accrued income and other assets          
Interest rate contracts designated as hedging instruments 233   233   44
Interest rate contracts not designated as hedging instruments 425   425   261
Foreign exchange contracts not designated as hedging instruments 18   18   23
Commodities contracts not designated as hedging instruments 154   154   172
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value 1   1   0
Total contracts 831   831   500
Accrued expenses and other liabilities          
Liability derivatives included in accrued expenses and other liabilities          
Interest rate contracts designated as hedging instruments 9   9   42
Interest rate contracts not designated as hedging instruments 311   311   165
Foreign exchange contracts not designated as hedging instruments 16   16   19
Commodities contracts not designated as hedging instruments 150   150   168
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value 3   3   10
Total contracts 489   489   $ 404
Fair Value Hedging | Not Designated as Hedging Instrument [Member]          
Derivatives, Fair Value [Line Items]          
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net 48 $ 16 71 $ 38  
Fair Value Hedging | Not Designated as Hedging Instrument [Member] | Capital markets fees [Domain] | Interest Rate Contract [Member]          
Derivatives, Fair Value [Line Items]          
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net 12 12 22 19  
Fair Value Hedging | Not Designated as Hedging Instrument [Member] | Capital markets fees [Domain] | Foreign Exchange Contract [Member]          
Derivatives, Fair Value [Line Items]          
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net 7 7 15 12  
Fair Value Hedging | Not Designated as Hedging Instrument [Member] | Capital markets fees [Domain] | Commodity Contract [Member]          
Derivatives, Fair Value [Line Items]          
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net 2 0 (4) 2  
Fair Value Hedging | Not Designated as Hedging Instrument [Member] | Mortgage Banking Income [Member] | Interest Rate Contract [Member]          
Derivatives, Fair Value [Line Items]          
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net 22 0 34 8  
Fair Value Hedging | Not Designated as Hedging Instrument [Member] | Other noninterest income [Domain] | Interest Rate Floor [Member]          
Derivatives, Fair Value [Line Items]          
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net 5 0 5 0  
Fair Value Hedging | Not Designated as Hedging Instrument [Member] | Other Expense [Member] | Equity Contract [Member]          
Derivatives, Fair Value [Line Items]          
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net $ 0 $ (3) $ (1) $ (3)