Supplemental Balance Sheet Information (Details 1) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Abstract]
Land and mineral deposits	$ 181	$ 151
Buildings and improvements	1,139	1,132
Machinery and equipment	2,623	2,555
Property, Plant and Equipment, Gross	3,943	3,838
Reserves for depreciation and depletion	(1,840)	(1,738)
Property, Plant and Equipment, Net	2,103	2,100
Annual depreciation and depletion expense	$ 135	$ 136