Environmental (Schedule of Environmental Remediation Efforts) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Environmental Disclosure [Line Items]
Remediation expense	$ 49	[1]	$ 45	[1]	$ 41	[1]
Cost of Sales [Member]
Environmental Disclosure [Line Items]
Remediation expense	9		10		2
Selling, General and Administrative Expenses [Member]
Environmental Disclosure [Line Items]
Remediation expense	$ 1		$ 3		$ 6

[1] Includes expenditures for US Superfund sites of $2 million, $2 million and $2 million for the years ended December 31, 2013, 2012 and 2011, respectively.