INTANGIBLE ASSETS (Schedule of Amortization Expense of Intangible Assets) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Amortization Expense, software, included in 'cost of sales'	[1]	$ 6	$ 5	$ 4

[1] Included in “Cost of sales” in the consolidated statements of income.