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GOODWILL AND OTHER INTANGIBLE ASSETS Textuals (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Finite-Lived Intangible Assets
Additions to goodwill			$ 15
Addition to other intangible assets			49
Foreign currency translation impact on other intangible assets			3
Goodwill impairment	$ 0	$ 0	0	$ 0
Impairment of IPR&D	0	0	0	0
Amortization of intangible assets during the period	39	$ 48	113	$ 150
Life Sciences and Applied Markets
Finite-Lived Intangible Assets
Additions to goodwill			0
Diagnostics and Genomics
Finite-Lived Intangible Assets
Additions to goodwill			15
Agilent CrossLab
Finite-Lived Intangible Assets
Additions to goodwill			0
Resolution Bioscience, Inc.
Finite-Lived Intangible Assets
Impairment of Intangible Assets, Finite-lived	258		258
Resolution Bioscience, Inc. \| Cost of Products and Services
Finite-Lived Intangible Assets
Impairment of Intangible Assets, Finite-lived	249		249
Resolution Bioscience, Inc. \| Selling, General and Administrative
Finite-Lived Intangible Assets
Impairment of Intangible Assets, Finite-lived	$ 9		$ 9