Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVE FINANCIAL INSTRUMENTS - Hedging Instruments (Details)

v3.19.3
DERIVATIVE FINANCIAL INSTRUMENTS - Hedging Instruments (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Derivatives, Fair Value [Line Items]          
Document Period End Date     Sep. 30, 2019    
Asset derivatives included in accrued income and other assets          
Total contracts $ 1,123   $ 1,123   $ 500
Liability derivatives included in accrued expenses and other liabilities          
Total contracts 631   631   404
Accrued income and other assets          
Asset derivatives included in accrued income and other assets          
Interest rate contracts designated as hedging instruments 376   376   44
Interest rate contracts not designated as hedging instruments 544   544   261
Foreign exchange contracts not designated as hedging instruments 22   22   23
Commodities contracts not designated as hedging instruments 178   178   172
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value 3   3   0
Total contracts 1,123   1,123   500
Accrued expenses and other liabilities          
Liability derivatives included in accrued expenses and other liabilities          
Interest rate contracts designated as hedging instruments 19   19   42
Interest rate contracts not designated as hedging instruments 417   417   165
Foreign exchange contracts not designated as hedging instruments 20   20   19
Commodities contracts not designated as hedging instruments 172   172   168
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value 3   3   10
Total contracts 631   631   $ 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 $ 23 110 $ 51  
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 15 11 38 30  
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 6 22 18  
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 1 1 (3) 3  
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 28 5 52 (3)  
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 (1) 0 4 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 $ (2) $ 0 $ (3) $ 3