Supplemental Data Supplemental Data (Equity Method Investment Data) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net Sales	$ 2,138	$ 2,255	$ 2,452
Gross Profit	720	773	781
Operating Profit	454	497	485
Net Income	276	308	304
Corporation's Share of Net Income	132	149	146
Current Assets	963	1,103	1,016
Non- Current Assets	1,168	993	1,040
Current Liabilities	531	508	690
Non- Current Liabilities	1,046	1,068	963
Stockholders' Equity	$ 554	$ 520	$ 403