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Inventories (Tables)
6 Months Ended
Jul. 03, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories are summarized below:
July 3, 2020January 3, 2020
 (In millions)
Finished products$177  $216  
Work in process199  386  
Raw materials and supplies483  617  
$859  $1,219