Employee Separation / Asset Related Charges, Net (Schedule of Restructuring Program) (Details) (USD $) In Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010	Sep. 30, 2011		Sep. 30, 2010
Restructuring Reserve [Roll Forward]
Restructuring Charges	$ 36		$ 0	$ 36		$ 0
Restructuring reserve, Ending balance	52			52
Restructuring Program 2011 [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges	36
Restructuring Program 2011 [Member] | Employee Separation Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges	36			36
Payments				(1)
Restructuring reserve, Ending balance	35			35
Restructuring Program 2009 [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, Beginning balance				47
Payments				(37)
Net translation adjustment				2
Restructuring reserve, Ending balance	12			12
Restructuring Program 2009 [Member] | Employee Separation Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, Beginning balance				46
Payments				(36)
Net translation adjustment				2
Restructuring reserve, Ending balance	12			12
Restructuring Program 2009 [Member] | Other Non-Personnel Charges [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, Beginning balance				1	[1]
Payments				(1)	[1]
Net translation adjustment				0	[1]
Restructuring reserve, Ending balance	$ 0	[1]		$ 0	[1]

[1] Other non-personnel charges consist of contractual obligation costs.