Environmental (Schedule of Environmental Remediation Reserves) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Environmental Remediation Obligations [Abstract]
Demerger obligations (Note 23)	$ 27	$ 31
Divestiture obligations (Note 23)	21	21
Active sites	32	28
US Superfund sites	13	15
Other environmental remediation reserves	4	4
Total	$ 97	$ 99