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INVENTORY (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2019
Inventory [Line Items]      
Finished goods $ 463 $ 417  
Purchased parts and fabricated assemblies 367 303  
Inventory 830 720  
Inventory-related excess and obsolescence charges $ 29 $ 28 $ 19