v3.7.0.1
TRADE STRUCTURED FINANCE PROGRAM (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
TRADE STRUCTURED FINANCE PROGRAM      
Net return from activities including fair value changes $ 18 $ 30  
Weighted-average interest rate of time deposits (as a percent) 2.59%   2.36%
Total net proceeds from issuances of LCs $ 3,889 $ 3,242  
Current assets:      
Carrying value of time deposits     $ 64
Non-current assets:      
Carrying value of time deposits 411   464
Current liabilities:      
Carrying value of letters of credit obligations 411   528
Time deposits and LCs presented net on the consolidated balance sheets      
TRADE STRUCTURED FINANCE PROGRAM      
Face value of time deposits and LCs 6,182   5,732
Level 2      
Current assets:      
Fair value (Level 2 measurement) of time deposits     64
Non-current assets:      
Fair value (Level 2 measurement) of time deposits 411   464
Current liabilities:      
Fair value (Level 2 measurement) of letters of credit obligations $ 411   $ 528