Commitments and Contingent Liabilities (Details) (Asbestos Related Product Liability [Member], USD $) In Millions	9 Months Ended		12 Months Ended
	Sep. 30, 2011		Dec. 31, 2010
Asbestos Related Product Liability [Member]
Number of claims filed
Pending claims, beginning of period	$ 83,700		$ 90,200
New claims filed	1,700		1,700
Claims settled/dismissed	(2,600)		(8,200)
Pending claims, end of period	82,800		83,700
Payments	$ 13	[1]	$ 26	[1]

[1] Represents amount spent by us and our insurers on asbestos litigation defense and claim resolution