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Acquistions (Narrative) (Details) (Kelsen [Member], USD $)
In Millions, unless otherwise specified
0 Months Ended 3 Months Ended
Aug. 08, 2013
Oct. 27, 2013
Kelsen [Member]
   
Business Acquisition [Line Items]    
Payments to Acquire Businesses, Gross $ 331  
Number of Countries in which Entity Operates 85  
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual   52
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual   $ 0