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Inventories (Tables)
6 Months Ended
Jul. 03, 2016
Inventory Disclosure [Abstract]  
Summary of Inventories
(Dollars in Millions)
 
July 3, 2016
 
January 3, 2016
Raw materials and supplies
 
$
952

 
936

Goods in process
 
1,984

 
2,241

Finished goods
 
5,587

 
4,876

Total inventories
 
$
8,523

 
8,053