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Inventories (Details) - USD ($)
$ in Millions
Jul. 04, 2021
Jan. 03, 2021
Inventory Disclosure [Abstract]    
Raw materials and supplies $ 1,576 $ 1,410
Goods in process 2,307 2,040
Finished goods 6,217 5,894
Total inventories $ 10,100 $ 9,344