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Discontinued Operations (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended 0 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Oct. 26, 2010
Discontinued Operations, Disposed Venezuelan Subsidiaries
item
Dec. 31, 2013
Discontinued Operations, Disposed Venezuelan Subsidiaries
Subsidiaries          
Number of subsidiaries       2  
Loss from discontinued operations $ 18 $ 2 $ (1)    
Special termination benefits 8        
Ongoing costs related to the expropriation         $ 10