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Inventories (Schedule Of Inventory) (Details) - USD ($)
$ in Millions
Jan. 02, 2021
Oct. 03, 2020
Dec. 28, 2019
Inventory Disclosure [Abstract]      
Processed products $ 2,142 $ 2,223  
Livestock 1,068 977  
Supplies and other 705 659  
Total inventory $ 3,915 $ 3,859 $ 4,057