XML 12 R1.htm IDEA: XBRL DOCUMENT v3.19.2
Document and Entity Information - shares
 9 Months Ended
Jul. 31, 2019
Aug. 23, 2019
Document and Entity Information [Abstract]    
Title of 12(b) Security Common Stock, $0.01 par value  
Entity Tax Identification Number 77-0518772  
Entity Incorporation, State or Country Code DE  
Entity Registrant Name AGILENT TECHNOLOGIES, INC.  
Entity Central Index Key 0001090872  
Current Fiscal Year End Date --10-31  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   309,467,678
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q3  
Document Type 10-Q  
Document Quarterly Report true  
Amendment Flag false  
Entity Small Business false  
Entity Emerging Growth Company false  
Document Period End Date Jul. 31, 2019  
Document Transition Report false  
Entity File Number 001-15405  
Entity Address, Address Line One 5301 Stevens Creek Blvd.,  
Entity Address, City or Town Santa Clara,  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 95051  
City Area Code (408)  
Local Phone Number 345-8886  
Entity Shell Company false  
Trading Symbol A  
Security Exchange Name NYSE