Restructuring Accruals (Details) (USD $) In Millions	3 Months Ended				6 Months Ended		3 Months Ended								3 Months Ended
	Jun. 30, 2011	Mar. 31, 2011	Jun. 30, 2010	Mar. 31, 2010	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011 Employee Costs Strategic Footprint Review	Mar. 31, 2011 Employee Costs Strategic Footprint Review	Jun. 30, 2010 Employee Costs Strategic Footprint Review	Mar. 31, 2010 Employee Costs Strategic Footprint Review	Mar. 31, 2011 Other Strategic Footprint Review	Jun. 30, 2010 Other Strategic Footprint Review	Mar. 31, 2010 Other Strategic Footprint Review	Jun. 30, 2011 Other Strategic Footprint Review	Jun. 30, 2011 Strategic Footprint Review	Mar. 31, 2011 Strategic Footprint Review	Jun. 30, 2010 Strategic Footprint Review	Mar. 31, 2010 Strategic Footprint Review	Jun. 30, 2011 Other Restructuring Actions	Mar. 31, 2011 Other Restructuring Actions	Jun. 30, 2010 Other Restructuring Actions	Mar. 31, 2010 Other Restructuring Actions	Dec. 31, 2009 Other Restructuring Actions
Restructuring accrual
Restructuring reserve balance at beginning of period	$ 85	$ 79	$ 126	$ 146	$ 79	$ 146	$ 27	$ 27	$ 74	$ 93	$ 25	$ 25	$ 26	$ 23	$ 50	$ 52	$ 99	$ 119	$ 35	$ 27	$ 27	$ 27	$ 27
Restructuring charges	4	8	8		12	8			(2)			10					8		4	8
Write-down of assets to net realizable value			(1)									(1)					(1)
Net cash paid, principally severance and related benefits	(9)	(4)	(12)	(19)			(2)	(2)	(9)	(18)	(2)	(3)	(1)		(2)	(4)	(12)	(19)	(7)
Other, principally foreign exchange translation	(2)	2	(4)	(1)				2	(3)	(1)		(1)				2	(4)	(1)	(2)
Restructuring reserve balance at end of period	$ 78	$ 85	$ 117	$ 126	$ 78	$ 117	$ 25	$ 27	$ 60	$ 74	$ 23	$ 30	$ 25	$ 23	$ 48	$ 50	$ 90	$ 99	$ 30	$ 35	$ 27	$ 27	$ 27