Document and Entity Information - shares	9 Months Ended
	Jul. 31, 2018	Aug. 20, 2018
Document and Entity Information
Entity Registrant Name	Hewlett Packard Enterprise Co,
Entity Central Index Key	0001645590
Document Type	10-Q
Document Period End Date	Jul. 31, 2018
Amendment Flag	false
Current Fiscal Year End Date	--10-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		1,471,648,283
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q3