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GOODWILL AND OTHER INTANGIBLE ASSETS Disclosures and Components of Purchased Other Intangibles (Details) - USD ($) $ in Millions	Jul. 31, 2021	Oct. 31, 2020
Finite-Lived Intangible Assets, Net
Total Intangible Assets	$ 2,324	$ 1,976
Accumulated Amortization	1,292	1,145
Net Book Value	1,032	831
Purchased Technology
Finite-Lived Intangible Assets, Net
Gross Carrying Amount	1,741	1,429
Accumulated Amortization	944	863
Net Book Value	797	566
Backlog
Finite-Lived Intangible Assets, Net
Gross Carrying Amount	8
Accumulated Amortization	2
Net Book Value	6
Trademark/Tradenames
Finite-Lived Intangible Assets, Net
Gross Carrying Amount	196	196
Accumulated Amortization	129	117
Net Book Value	67	79
Customer Relationships
Finite-Lived Intangible Assets, Net
Gross Carrying Amount	357	330
Accumulated Amortization	210	158
Net Book Value	147	172
Third-Party Technology and Licenses
Finite-Lived Intangible Assets, Net
Gross Carrying Amount	11	11
Accumulated Amortization	7	7
Net Book Value	4	4
Total amortizable intangible assets
Finite-Lived Intangible Assets, Net
Gross Carrying Amount	2,313	1,966
Accumulated Amortization	1,292	1,145
Finite-Lived Intangible Assets, Net	1,021	821
In-Process R&D
Indefinite-Lived Intangible Assets (Excluding Goodwill)
In-Process R&D	$ 11	$ 10

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