Commitments and Contingent Liabilities (Details) (Asbestos Related Product Liability, USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014 claims	Dec. 31, 2013 claims	Dec. 31, 2012 claims
Asbestos Related Product Liability
Number of claims filed
Pending claims, beginning of period	74,000	73,200	78,500
New claims filed during the year	1,900	2,600	2,200
Claims settled/dismissed during the year	(2,100)	(1,800)	(7,500)
Pending claims, end of period	73,800	74,000	73,200
Payments	$ 20	$ 19	$ 18	[1]

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