XML 12 R1.htm IDEA: XBRL DOCUMENT v3.10.0.1
Document and Entity Information - shares
3 Months Ended
Jan. 31, 2019
Feb. 27, 2019
Document and Entity Information [Abstract]    
Entity Registrant Name AGILENT TECHNOLOGIES INC.  
Entity Central Index Key 0001090872  
Current Fiscal Year End Date --10-31  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   317,515,869
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q1  
Document Type 10-Q  
Amendment Flag false  
Entity Small Business false  
Entity Emerging Growth Company false  
Document Period End Date Jan. 31, 2019