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Goodwill and Other Intangibles Goodwill (Narrrative) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Goodwill [Line Items]    
Goodwill, Impairment Loss $ 0  
Goodwill 1,724 1,727
North America
   
Goodwill [Line Items]    
Goodwill 1,720 1,723
Latin America
   
Goodwill [Line Items]    
Goodwill $ 4 $ 4