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INVENTORY
12 Months Ended
Oct. 31, 2020
Inventory, Net [Abstract]  
INVENTORY
9.
INVENTORY
 
October 31,
 
2020
 
2019
 
(in millions)
Finished goods
$
342

 
$
317

Purchased parts and fabricated assemblies
415

 
388

Total inventory
$
757

 
$
705


Gross inventory-related excess and obsolescence charges recorded in total cost of products were $29 million in 2020, $27 million in 2019 and $25 million in 2018. We record excess and obsolete inventory charges for inventory at our sites as well as inventory at our contract manufacturers and suppliers, where we have non-cancellable purchase commitments.