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GOODWILL AND OTHER INTANGIBLE ASSETS (Goodwill Roll forward) (Details) $ in Millions	9 Months Ended
	Jul. 31, 2020 USD ($)	Oct. 31, 2019 USD ($)
Goodwill [Roll Forward]
Goodwill, Gross	$ 2,219	$ 1,918
Goodwill, Impaired, Accumulated Impairment Loss	(709)	(709)
Goodwill, Beginning balance	1,209
Goodwill, Acquired During Period	288
Foreign currency translation impact	13
Balance as of July 31, 2020	1,510
Communications Solutions Group
Goodwill [Roll Forward]
Goodwill, Gross	1,665	1,651
Goodwill, Impaired, Accumulated Impairment Loss	(709)	(709)
Goodwill, Beginning balance	942
Goodwill, Acquired During Period	8
Foreign currency translation impact	6
Balance as of July 31, 2020	956
Electronic Industrial Solutions Group
Goodwill [Roll Forward]
Goodwill, Gross	554	267
Goodwill, Impaired, Accumulated Impairment Loss	0	$ 0
Goodwill, Beginning balance	267
Goodwill, Acquired During Period	280
Foreign currency translation impact	7
Balance as of July 31, 2020	$ 554

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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