Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended			12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Discontinued Operations, Disposed Venezuelan Subsidiaries	Dec. 31, 2010 Discontinued Operations, Disposed Venezuelan Subsidiaries item
Subsidiaries
Number of subsidiaries						2
Loss from discontinued operations	$ 2	$ 2	$ 15	$ 4
Special termination benefits			8
Ongoing costs related to the expropriation					$ 7