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Inventories (Tables)
6 Months Ended
Jul. 01, 2012
Inventory Disclosure [Abstract]  
Summary of Inventories
(Dollars in Millions)
 
July 1, 2012
 
January 1, 2012
Raw materials and supplies
 
$
1,300

 
1,206

Goods in process
 
1,934

 
1,637

Finished goods
 
4,463

 
3,442

Total inventories
 
$
7,697

 
6,285