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European Strategic Changes - Narrative (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 17 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
European Strategic Changes [Member]
     
Restructuring Cost and Reserve      
Charges for workforce reductions and other exit costs     $ 390
Restructuring Charges After Tax 5 21 313
European Strategic Changes [Member]
     
Restructuring Cost and Reserve      
Restructuring Activities for Manufacturing Facilities 5    
Cash charges [Member] | European Strategic Changes [Member]
     
Restructuring Cost and Reserve      
Charges for workforce reductions and other exit costs $ 10 $ 41 $ 213