XML 154 R139.htm IDEA: XBRL DOCUMENT v3.8.0.1
DERIVATIVE FINANCIAL INSTRUMENTS - Change in Fair Values of Derivative Instruments (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Disclosure of detailed information about hedging instruments [line items]    
Unrealized Gains on Derivative Financial Assets $ 132  
Unrealized Losses on Derivative Financial Liabilities (374)  
Net Change (242) $ 112
Foreign exchange contracts    
Disclosure of detailed information about hedging instruments [line items]    
Unrealized Gains on Derivative Financial Assets 0  
Unrealized Losses on Derivative Financial Liabilities (305)  
Net Change (305) 97
Interest rates swaps and other    
Disclosure of detailed information about hedging instruments [line items]    
Unrealized Gains on Derivative Financial Assets 132  
Unrealized Losses on Derivative Financial Liabilities (69)  
Net Change $ 63 $ 15