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Inventories
9 Months Ended
Sep. 27, 2013
Inventory Disclosure [Abstract]  
Inventories

6.  Inventories

Inventories at Lower of Cost or Market. The table below presents the components of inventories at the lower of cost (first-in, first-out or average cost) or realizable value.

 

     September 27,
2013
     December 31,
2012
 
     (in millions)  

Raw materials, components and sub-assemblies

   $ 174       $ 168   

Work in process

     155         124   

Finished goods

     91         71   
  

 

 

    

 

 

 

Total

   $ 420       $ 363