Document and Entity Information - USD ($)	12 Months Ended
	Oct. 31, 2018	Nov. 30, 2018	Apr. 30, 2018
Document and Entity Information
Entity Registrant Name	Hewlett Packard Enterprise Co,
Entity Central Index Key	0001645590
Document Type	10-K
Document Period End Date	Oct. 31, 2018
Amendment Flag	false
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 Public Float			$ 25,624,852,116
Entity Common Stock, Shares Outstanding		1,398,678,425
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	FY