RELATED PARTIES (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Equity Method Investee [Member]
Related Party Transaction [Line Items]
Accounts payable, related parties	$ 1	$ 9
Equity Method Investee [Member]
Related Party Transaction [Line Items]
Revenue from related parties	37	33	$ 30
Accounts receivable, related parties	3	10
Equity Method Investee [Member] | Prepaid Expenses and Other Current Assets [Member]
Related Party Transaction [Line Items]
Other accounts receivable, related parties	7	5
Equity Method Investee [Member] | Selling, General and Administrative Expenses [Member]
Related Party Transaction [Line Items]
Income recognized from related party	$ 16	$ 19	$ 31