Document and Entity Information	3 Months Ended	6 Months Ended
	Apr. 30, 2013	Apr. 30, 2013
Document and Entity Information [Abstract]
Entity Registrant Name		AGILENT TECHNOLOGIES INC
Entity Central Index Key		0001090872
Current Fiscal Year End Date		--10-31
Entity Well-known Seasoned Issuer		Yes
Entity Voluntary Filers		No
Entity Current Reporting Status		Yes
Entity Filer Category		Large Accelerated Filer
Entity Common Stock, Shares Outstanding	344,476,029	344,476,029
Document Fiscal Year Focus		2013
Document Fiscal Period Focus		Q2
Document Type		10-Q
Amendment Flag		false
Document Period End Date	Apr. 30, 2013	Apr. 30, 2013