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
Gross Carrying Amount	$ 1,263	$ 1,139
Accumulated Amortization and Impairments	821	694
Net Book Value	442	445
Purchased Technology
Finite-Lived Intangible Assets, Net
Gross Carrying Amount	830	746
Accumulated Amortization and Impairments	553	476
Net Book Value	277	270
Backlog
Finite-Lived Intangible Assets, Net
Gross Carrying Amount	1
Accumulated Amortization and Impairments	1
Net Book Value	0
Trademark/Tradenames
Finite-Lived Intangible Assets, Net
Gross Carrying Amount	151	141
Accumulated Amortization and Impairments	59	50
Net Book Value	92	91
Customer Relationships
Finite-Lived Intangible Assets, Net
Gross Carrying Amount	263	230
Accumulated Amortization and Impairments	208	168
Net Book Value	55	62
Total amortizable intangible assets
Finite-Lived Intangible Assets, Net
Gross Carrying Amount	1,245	1,117
Accumulated Amortization and Impairments	821	694
Net Book Value	424	423
In-Process R&D
Indefinite-Lived Intangible Assets (Excluding Goodwill)
In-Process R&D	$ 18	$ 22