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INVENTORY | 12 Months Ended
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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.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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- References No definition available. + Details
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