Balance Sheet Detail (Inventories) (Details) - USD ($) $ in Millions	Jan. 28, 2018	Oct. 29, 2017
Inventories
Customer service spares	$ 626	$ 595
Raw materials	712	603
Work-in-process	524	468
Finished goods	1,263	1,264
Total Inventories	3,125	2,930
Inventory at customer locations included in finished goods	317	331
Inventory, finished goods, evaluation inventory, net of reserves	$ 280	$ 281

Inventory at customer locations included in finished goods.

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- Definition

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

+ References

No definition available.

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- Definition

Other Inventories, Spare Parts, Net of Reserves

+ References

No definition available.

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(6)(a)(1))
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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