GOODWILL AND OTHER INTANGIBLE ASSETS Disclosures and Components of Purchased Other Intangibles (Details) - USD ($) $ in Millions	Jul. 31, 2016	Oct. 31, 2015
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