Balance Sheet Detail - Inventories (Details) - USD ($) $ in Millions	Aug. 01, 2021	Oct. 25, 2020
Inventories
Customer service spares	$ 1,260	$ 1,270
Raw materials	956	870
Work-in-process	846	624
Finished goods	1,055	1,140
Inventories	4,117	3,904
Inventory at customer locations included in finished goods	18	16
Inventory, finished goods, evaluation inventory, net of reserves	$ 395	$ 416

Inventory at customer locations included in finished goods.

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- Definition

Inventory, Finished Goods, Evaluation Inventory, Net of Reserves.

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- Definition

Other Inventories, Spare Parts, Net of Reserves

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- Definition

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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- Definition

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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