XML 15 R1.htm IDEA: XBRL DOCUMENT v3.21.2
Document And Entity Information - USD ($)
$ in Millions
 12 Months Ended
Oct. 31, 2021
Dec. 08, 2021
Apr. 30, 2021
Entity Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Oct. 31, 2021    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --10-31    
Document Fiscal Year Focus 2021    
Document Transition Report false    
Entity File Number 001-15405    
Entity Registrant Name Agilent Technologies, Inc.    
Entity Central Index Key 0001090872    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 77-0518772    
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 (800)    
Local Phone Number 227-9770    
Title of 12(b) Security Common Stock, $0.01 par value    
Trading Symbol A    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
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    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 30,900
Entity Common Stock, Shares Outstanding   302,000,797  
Amendment Flag false    
Documents Incorporated by Reference [Text Block] Portions of the Proxy Statement for the Annual Meeting of Stockholders (the "Proxy Statement") to be held on March 16, 2022, and to be filed pursuant to Regulation 14A within 120 days after registrant's fiscal year ended October 31, 2021 are incorporated by reference into Part III of this Report