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Inventories (Tables)
3 Months Ended
Apr. 02, 2017
Inventory Disclosure [Abstract]  
Summary of Inventories
(Dollars in Millions)
 
April 2, 2017
 
January 1, 2017
Raw materials and supplies
 
$
1,046

 
952

Goods in process
 
2,121

 
2,185

Finished goods
 
5,711

 
5,007

Total inventories
 
$
8,878

 
8,144