Annual report pursuant to Section 13 and 15(d)

SHORT-TERM BORROWINGS (Details)

v3.8.0.1
SHORT-TERM BORROWINGS (Details) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Short-term Debt [Line Items]    
Total short-term borrowings $ 5,056 $ 3,693
Federal funds purchased and securities sold under agreements to repurchase    
Short-term Debt [Line Items]    
Total short-term borrowings 1,318 1,248
Federal Home Loan Bank advances    
Short-term Debt [Line Items]    
Total short-term borrowings 3,725 2,425
Other borrowings    
Short-term Debt [Line Items]    
Total short-term borrowings $ 13 $ 20