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INVENTORY (Notes)
3 Months Ended
Jan. 31, 2022
Inventory, Net [Abstract]  
INVENTORY INVENTORY
 
Inventory as of January 31, 2022 and October 31, 2021 consisted of the following:

 January 31,
2022
October 31,
2021
 (in millions)
Finished goods$488 $463 
Purchased parts and fabricated assemblies391 367 
Inventory$879 $830