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Original amount of cost-method investments at the acquisition date.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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OVERVIEW, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Mar. 02, 2016	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015	Oct. 31, 2015
Variable Interest Entity Disclosures
Carrying Value of Investments in VIE's		$ 101		$ 101
Maximum Exposure of investments in VIE's		108		108
Investment in Lasergen	$ 80
Percentage of Ownership in Lasergen	48.00%
Call option amount to acquire remaining shares of business	$ 105
Fair Value of Financial Instruments
Fair value of long term debt in excess of carrying value		102		102		$ 30
Goodwill and Purchased Intangible Assets
Impairment of goodwill		0	$ 0	0
Impairment of IPR&D		$ 4	0	$ 4	$ 0
Minimum
Finite-Lived Intangible Assets
Purchased intangible assets useful life		6 months
Maximum
Finite-Lived Intangible Assets
Purchased intangible assets useful life		15 years
Services and other revenue
Income Statement
Prior period reclassification adjustment			11		26
Services and other cost of sales
Income Statement
Prior period reclassification adjustment			$ 7		$ 18