Property, Plant and Equipment (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, at Cost	$ 6,520	$ 6,339
Less: Accumulated Depreciation and Amortization	2,461	2,292
Property, Plant and Equipment, Net	4,059	4,047
Land [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, at Cost	405	401
Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, at Cost	1,688	1,662
Machinery, Equipment and Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, at Cost	$ 4,427	$ 4,276