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Inventories (Tables)
6 Months Ended
Jul. 03, 2011
Inventories [Abstract]  
Summary of Inventories
                 
(Dollars in Millions)   July 3, 2011     January 2, 2011  
Raw materials and supplies
  $ 1,383       1,073  
Goods in process
    1,897       1,460  
Finished goods
    3,133       2,845  
Total inventories
  $ 6,413       5,378