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GOODWILL AND OTHER INTANGIBLE ASSETS Disclosures and Components of Purchased Other Intangibles (Details) - USD ($) $ in Millions | Jul. 31, 2016 | Oct. 31, 2015
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Finite-Lived Intangible Assets, Net [Abstract] |  |
Gross Carrying Amount | $ 398 | $ 393
Accumulated Amortization and Impairments | 193 | 159
Finite-Lived Intangible Assets, Net | 205 | 234
In-Process R&D | 12 | 12
Gross book value | 410 | 405
Net Book Value | 217 | 246
Developed technology |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |
Gross Carrying Amount | 309 | 305
Accumulated Amortization and Impairments | 151 | 125
Net Book Value | 158 | 180
Backlog |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |
Gross Carrying Amount | 4 | 4
Accumulated Amortization and Impairments | 4 | 4
Net Book Value | 0 | 0
Trademark/Tradename |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |
Gross Carrying Amount | 20 | 20
Accumulated Amortization and Impairments | 3 | 2
Net Book Value | 17 | 18
Customer relationships |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |
Gross Carrying Amount | 65 | 64
Accumulated Amortization and Impairments | 35 | 28
Net Book Value | $ 30 | $ 36

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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