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Inventories
12 Months Ended
Dec. 31, 2012
Inventories [Abstract]  
Inventories
Note 5: Inventories
 
Inventories consisted of the following:
 
   
December 31,
 
(dollars in millions)
 
2012
  
2011
 
        
Raw materials
 $237.9  $427.3 
Work-in-process
  902.1   767.8 
Finished goods, including parts and subassemblies
  1,797.9   1,376.9 
Other
  14.3   12.5 
    2,952.2   2,584.5 
Excess of current standard costs over LIFO costs
  (122.0)  (102.7)
Allowance for obsolete and excess inventory
  (89.0)  (81.9)
          
Total inventories
 $2,741.2  $2,399.9