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Inventories (Tables)
6 Months Ended
Jul. 02, 2017
Inventory Disclosure [Abstract]  
Summary of Inventories
(Dollars in Millions)
 
July 2, 2017
 
January 1, 2017
Raw materials and supplies
 
$
1,138

 
952

Goods in process
 
2,515

 
2,185

Finished goods
 
6,046

 
5,007

Total inventories
 
$
9,699

 
8,144