CONSOLIDATED FINANCIAL STATEMENTS Summary of Changes in Financial Statement Presentation (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cost of sales	$ 1,092	$ 1,042
Sundry income (expense) - net	(8)	(7)
Investment Income, Interest		0
Net periodic pension benefit cost	11	7
Increase (Decrease) in Other Operating Assets and Liabilities, Net	$ (20)	8
Scenario, Previously Reported [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cost of sales		1,041
Sundry income (expense) - net		(12)
Investment Income, Interest		4
Net periodic pension benefit cost		0
Increase (Decrease) in Other Operating Assets and Liabilities, Net		$ 1