v3.25.2

Cover Page - shares	9 Months Ended
Cover Page - shares	Jul. 31, 2025	Aug. 25, 2025
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jul. 31, 2025
Entity Central Index Key	0001601046
Current Fiscal Year End Date	--10-31
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	Q3
Amendment Flag	false
Document Transition Report	false
Entity File Number	001-36334
Entity Registrant Name	KEYSIGHT TECHNOLOGIES, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	46-4254555
Entity Address, Address Line One	1400 Fountaingrove Parkway
Entity Address, City or Town	Santa Rosa
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95403
City Area Code	(800)
Local Phone Number	829-4444
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	KEYS
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		171,856,249

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Local phone number for entity.

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Keysight Technologies, Inc. 10-Q