Asset Impairment And Exit Costs Movement In The Exit Cost Liabilities (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Restructuring Reserve [Roll Forward]
Liability beginning balance			$ 28
Charges			16
Cash spent	(7)	(20)	(20)	(25)
Currency/other			(2)
Liability ending balance	22		22
Effect on Future Cash Flows, Amount			$ 22