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GOODWILL AND OTHER INTANGIBLE ASSETS Textuals (Details) - USD ($) $ in Millions		3 Months Ended
	Nov. 01, 2024	Jan. 31, 2025	Jan. 31, 2024
Finite-Lived Intangible Assets
Goodwill impairment	$ 0	$ 0	$ 0
Addition to other intangible assets		2
Foreign currency translation impact on other intangible assets increase (decrease)		(7)
Impairment of IPR&D		0	6
Amortization of intangible assets during the period		28	$ 26
Goodwill, Measurement Period Adjustment		(17)
Life Sciences and Diagnostics Markets
Finite-Lived Intangible Assets
Goodwill reassigned to (from) segment		365
Goodwill, Measurement Period Adjustment		(17)
Agilent CrossLab
Finite-Lived Intangible Assets
Additions to goodwill		0
Goodwill reassigned to (from) segment		909
Applied Markets
Finite-Lived Intangible Assets
Additions to goodwill		0
Goodwill reassigned to (from) segment		$ (1,274)