Balance Sheet Detail (Inventories) (Details) - USD ($) $ in Millions	Jan. 31, 2016	Oct. 25, 2015
Inventories
Customer service spares	$ 391	$ 382
Raw materials	512	438
Work-in-process	259	294
Finished goods	673	719
Total Inventories	1,835	1,833
Inventory at customer locations included in finished goods	115	155
Inventory, finished goods, evaluation inventory, net of reserves	$ 189	$ 185

Inventory at customer locations included in finished goods.

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- Definition

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

+ References

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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.

+ References

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- Definition

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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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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