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INVENTORY (Tables)
12 Months Ended
Oct. 31, 2021
Inventory Disclosure [Abstract]  
Inventory
Inventory as of October 31, 2021 and 2020 consisted of the following:
 October 31,
 20212020
 (in millions)
Finished goods$463 $417 
Purchased parts and fabricated assemblies367 303 
Inventory$830 $720