Property, Plant And Equipment, Net (Details) (USD $) In Millions, unless otherwise specified					12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2012 Buildings And Improvements	Dec. 31, 2012 Machinery And Equipment
Property, Plant and Equipment [Line Items]
Machinery and equipment	$ 3,966		$ 3,712
Buildings and improvements	2,442		2,172
Land and improvements	340		321
Construction in process	255		313
Total property, plant and equipment	7,003	[1]	6,518	[1]
Accumulated depreciation	(3,600)		(3,234)
Property, plant and equipment, net	$ 3,403		$ 3,284
Depreciable life, maximum, years					50 years	30 years

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