GOODWILL AND OTHER INTANGIBLE ASSETS Disclosures and Components of Purchased Other Intangibles (Details) - USD ($) $ in Millions	Apr. 30, 2016	Oct. 31, 2015
Finite-Lived Intangible Assets, Net
Gross Carrying Amount	$ 1,283	$ 1,139
Accumulated Amortization and Impairments	793	694
Net Book Value	490	445
Purchased Technology
Finite-Lived Intangible Assets, Net
Gross Carrying Amount	840	746
Accumulated Amortization and Impairments	535	476
Net Book Value	305	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	154	141
Accumulated Amortization and Impairments	57	50
Net Book Value	97	91
Customer Relationships
Finite-Lived Intangible Assets, Net
Gross Carrying Amount	266	230
Accumulated Amortization and Impairments	200	168
Net Book Value	66	62
Total amortizable intangible assets
Finite-Lived Intangible Assets, Net
Gross Carrying Amount	1,261	1,117
Accumulated Amortization and Impairments	793	694
Net Book Value	468	423
In-Process R&D
Indefinite-Lived Intangible Assets (Excluding Goodwill)
In-Process R&D	$ 22	$ 22