XML 162 R140.htm IDEA: XBRL DOCUMENT v3.10.0.1
DERIVATIVE FINANCIAL INSTRUMENTS - Notional Amount of Derivative Positions (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Disclosure of detailed information about hedging instruments [line items]    
Nominal amount of hedging instrument $ 9,966 $ 8,829
Foreign exchange contracts    
Disclosure of detailed information about hedging instruments [line items]    
Nominal amount of hedging instrument 3,482 3,816
Interest rates swaps and other    
Disclosure of detailed information about hedging instruments [line items]    
Nominal amount of hedging instrument $ 6,484 $ 5,013