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INVENTORY (Tables)
6 Months Ended
Apr. 30, 2022
Inventory, Net [Abstract]  
INVENTORY INVENTORY
 
Inventory as of April 30, 2022 and October 31, 2021 consisted of the following:

 April 30,
2022
October 31,
2021
 (in millions)
Finished goods$518 $463 
Purchased parts and fabricated assemblies419 367 
Inventory$937 $830