OTHER OPERATING COSTS (INCOME), NET Items Included in Other Operating Costs (Income), Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Gain on disposition of nonstrategic assets	$ (1)	$ (5)	$ (4)	$ (14)
Foreign exchange losses (gains), net	2	(3)	2	0
Litigation expense, net	10	8	23	14
Other, net(1)	10		45	2
Other Operating Income		(12)
Total other operating costs (income), net	$ 21	$ (12)	$ 66	$ 2