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GOODWILL AND OTHER INTANGIBLE ASSETS (Disclosures and Components of Other Intangibles) (Details) - USD ($)
$ in Millions
Oct. 31, 2020
Oct. 31, 2019
Schedule of Other Intangible Assets By Major Class [Abstract]    
Gross Carrying Amount $ 1,331 $ 1,240
Accumulated Amortization 972 752
Total amortizable intangible assets 359 488
In-Process R&D 2 2
Gross Book Value 1,333 1,242
Net Book Value 361 490
Developed Technology    
Schedule of Other Intangible Assets By Major Class [Abstract]    
Gross Carrying Amount 915 876
Accumulated Amortization 749 578
Net Book Value 166 298
Backlog [Member]    
Schedule of Other Intangible Assets By Major Class [Abstract]    
Gross Carrying Amount 17 13
Accumulated Amortization 14 13
Net Book Value 3 0
Trademarks/Trade Name [Member]    
Schedule of Other Intangible Assets By Major Class [Abstract]    
Gross Carrying Amount 35 34
Accumulated Amortization 25 21
Net Book Value 10 13
Customer Relationships    
Schedule of Other Intangible Assets By Major Class [Abstract]    
Gross Carrying Amount 363 316
Accumulated Amortization 183 139
Net Book Value 180 177
Noncompete Agreements [Member]    
Schedule of Other Intangible Assets By Major Class [Abstract]    
Gross Carrying Amount 1 1
Accumulated Amortization 1 1
Net Book Value $ 0 $ 0