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OTHER EXPENSE (INCOME) - Loss on Currency Translation (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Disclosure of Foreign Exchange Gain (Loss) [Line Items]        
Total $ 75 $ 32 $ 90 $ 35
Currency translation losses released as a result of the disposal and reorganization of entities        
Disclosure of Foreign Exchange Gain (Loss) [Line Items]        
Total 0 0 0 11
Foreign currency translation losses        
Disclosure of Foreign Exchange Gain (Loss) [Line Items]        
Total $ 75 $ 32 $ 90 $ 24