Annual report pursuant to Section 13 and 15(d)

DERIVATIVE FINANCIAL INSTRUMENTS - Asset and Liability Management (Details)

v3.8.0.1
DERIVATIVE FINANCIAL INSTRUMENTS - Asset and Liability Management (Details) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Derivative [Line Items]    
Total notional value $ 8,375 $ 10,800
Gross amounts of recognized assets 322 420
Gross amounts of recognized liabilities 331 371
Fair Value Hedges    
Derivative [Line Items]    
Total notional value 8,375 7,475
Cash Flow Hedges    
Derivative [Line Items]    
Total notional value 0 3,325
Loans    
Derivative [Line Items]    
Total notional value 0 3,325
Loans | Fair Value Hedges    
Derivative [Line Items]    
Total notional value 0 0
Loans | Cash Flow Hedges    
Derivative [Line Items]    
Total notional value 0 3,325
Subordinated notes    
Derivative [Line Items]    
Total notional value 950 950
Subordinated notes | Fair Value Hedges    
Derivative [Line Items]    
Total notional value 950 950
Subordinated notes | Cash Flow Hedges    
Derivative [Line Items]    
Total notional value 0 0
Other long-term debt    
Derivative [Line Items]    
Total notional value 7,425 6,525
Other long-term debt | Fair Value Hedges    
Derivative [Line Items]    
Total notional value 7,425 6,525
Other long-term debt | Cash Flow Hedges    
Derivative [Line Items]    
Total notional value 0 0
Accrued income and other assets    
Derivative [Line Items]    
Interest Rate Fair Value Hedge Asset at Fair Value 22 46
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value 187 233
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value 18 23
Price Risk Derivative Instruments Not Designated as Hedging Instruments Asset, at Fair Value 92 108
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value 3 10
Gross amounts of recognized assets 322 420
Accrued expenses and other liabilities    
Derivative [Line Items]    
Interest Rate Fair Value Hedge Liability at Fair Value 121 100
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value 100 141
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value 18 20
Price Risk Derivative Instruments Not Designated as Hedging Instruments Liability, at Fair Value 87 104
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value 5 6
Gross amounts of recognized liabilities 331 371
Interest rate lock agreements    
Derivative [Line Items]    
Gross amounts of recognized assets 6 6
Gross amounts of recognized liabilities 0 (2)
Forward trades and options    
Derivative [Line Items]    
Gross amounts of recognized assets 1 13
Gross amounts of recognized liabilities 0 (1)
Derivative used in Mortgage Banking Activities    
Derivative [Line Items]    
Total notional value 188 308
Gross amounts of recognized assets 7 19
Gross amounts of recognized liabilities $ 0 $ (3)