XML 12 R1.htm IDEA: XBRL DOCUMENT v3.20.2
Cover Page - shares
 9 Months Ended
Jul. 31, 2020
Aug. 28, 2020
Document and Entity Information [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jul. 31, 2020  
Current Fiscal Year End Date --10-31  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2020  
Amendment Flag false  
Document Transition Report false  
Entity File Number 001-36334  
Entity Registrant Name KEYSIGHT TECHNOLOGIES, INC.  
Entity Central Index Key 0001601046  
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 Emerging Growth Company false  
Entity Small Business false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   187,139,371