Business Segment and Geographic Region Information Business Segment and Geographic Region Information (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 16,049	$ 13,715	$ 11,873
Net property, plant and equipment	2,602	2,477	2,445
United States operations net exports of products	961	840	710
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	7,165	6,166	5,574
Net property, plant and equipment	1,227	1,102	1,024
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	815	666	562
Net property, plant and equipment	27	25	23
Latin America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	1,952	1,629	1,159
Net property, plant and equipment	247	275	272
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	4,092	3,532	3,157
Net property, plant and equipment	649	664	748
Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	2,025	1,722	1,421
Net property, plant and equipment	$ 452	$ 411	$ 378