GOODWILL AND OTHER INTANGIBLE ASSETS Text (Details) - USD ($) $ in Millions			12 Months Ended
	Nov. 01, 2024	Sep. 20, 2024	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Intangible Assets, Including Goodwill)
Goodwill Additions				$ 526
Finite-Lived Intangible Assets, Period Increase (Decrease)			$ 2	188
Foreign exchange translation impact to other intangible assets			0	(5)
Goodwill and Intangible Asset Impairment [Abstract]
Goodwill impairment	$ 0		0	0	$ 0
Impairment of finite-lived intangible assets			0	0
Impairment of indefinite-lived intangible assets			0	6	0
Business Acquisition
Intangible assets written-off			4	18
Goodwill, Measurement Period Adjustment			(5)
Life Sciences and Diagnostics Markets
Intangible Assets, Including Goodwill)
Goodwill Additions				526
Business Acquisition
Goodwill, Measurement Period Adjustment			(5)
Agilent CrossLab
Intangible Assets, Including Goodwill)
Goodwill Additions			0	$ 0
Third-Party Technology and Licenses
Intangible Assets, Including Goodwill)
Finite-Lived Intangible Assets, Period Increase (Decrease)			$ 1
Resolution Bioscience, Inc.
Goodwill and Intangible Asset Impairment [Abstract]
Impairment of finite-lived intangible assets					258
Resolution Bioscience, Inc. | Cost of Product and Services
Goodwill and Intangible Asset Impairment [Abstract]
Impairment of finite-lived intangible assets					$ 249
Business Acquisition
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]					Cost of revenue
Resolution Bioscience, Inc. | Selling, General and Administrative
Goodwill and Intangible Asset Impairment [Abstract]
Impairment of finite-lived intangible assets					$ 9
Business Acquisition
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]					Selling, general and administrative
BIOVECTRA
Intangible Assets, Including Goodwill)
Goodwill Additions		$ 526