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GOODWILL AND OTHER INTANGIBLE ASSETS Disclosures and Components of Purchased Other Intangibles (Details) - USD ($)
$ in Millions
Apr. 30, 2018
Oct. 31, 2017
Finite-Lived Intangible Assets, Net    
Gross Carrying Amount $ 1,211 $ 1,206
Accumulated Amortization 897 845
Net Book Value 314 361
Purchased Technology    
Finite-Lived Intangible Assets, Net    
Gross Carrying Amount 858 855
Accumulated Amortization 676 646
Net Book Value 182 209
Trademark/Tradenames    
Finite-Lived Intangible Assets, Net    
Gross Carrying Amount 149 149
Accumulated Amortization 80 73
Net Book Value 69 76
Customer Relationships    
Finite-Lived Intangible Assets, Net    
Gross Carrying Amount 151 151
Accumulated Amortization 124 112
Net Book Value 27 39
Third-Party Technology and Licenses    
Finite-Lived Intangible Assets, Net    
Gross Carrying Amount 28 27
Accumulated Amortization 17 14
Net Book Value 11 13
Total amortizable intangible assets    
Finite-Lived Intangible Assets, Net    
Gross Carrying Amount 1,186 1,182
Accumulated Amortization 897 845
Net Book Value 289 337
In-Process R&D    
Indefinite-Lived Intangible Assets (Excluding Goodwill)    
In-Process R&D $ 25 $ 24