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Inventories (Tables)
 6 Months Ended
Jun. 26, 2011
Inventories  
Schedule of Inventories
     June 26,
2011		     December 31,
2010		  
     (In millions)  

Work-in-process, primarily related to long-term contracts and programs in progress

    $ 7,028      $ 6,508   

Less: Customer advances and progress payments

      (5,248 )      (4,788 ) 
                
     1,780        1,720   

Other inventories

      446        643   
                

Total inventories

    $ 2,226      $ 2,363