Name:	hpe_AdditionalDepositAgainstPartsRelatedShowCauseNotice
Namespace Prefix:	hpe_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The amount of additional deposit made with the Customs Tribunal in connection with the product order.

No definition available.

Name:	hpe_AdditionalDepositAgainstProductOrder
Namespace Prefix:	hpe_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The amount of additional deposit made with the Commissioner of Customs in connection with the products-related show cause notice.

No definition available.

Name:	hpe_AdditionalDepositAgainstProductsRelatedShowCauseNotice
Namespace Prefix:	hpe_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents amount deposited under the products and parts show cause notices.

No definition available.

Name:	hpe_AmountDepositedUnderProductsShowCauseNotice
Namespace Prefix:	hpe_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Discontinued Operations, Indemnification Threshold Amount

No definition available.

Name:	hpe_DiscontinuedOperationsIndemnificationThresholdAmount
Namespace Prefix:	hpe_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The aggregate amount of duties and penalties that the Commissioner of Customs is seeking to have HP India and the other named individuals pay under the products and parts show cause notices.

No definition available.

Name:	hpe_DutiesPenaltiesAffirmedUnderShowCauseNotices
Namespace Prefix:	hpe_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The length of sanctions that the entity is suspended from bidding and contracting based upon a preliminary ruling issued by the intermediate appellate court.

No definition available.

Name:	hpe_LengthOfSanctionsForInjunctiveRelief
Namespace Prefix:	hpe_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The amount deposited by the entity to prevent interruption of business.

No definition available.

Name:	hpe_LossContingencyDepositToPreventInterruptionOfBusiness
Namespace Prefix:	hpe_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Loss Contingency, Number of Additional Plaintiffs

No definition available.

Name:	hpe_LossContingencyNumberofAdditionalPlaintiffs
Namespace Prefix:	hpe_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

The number of contracts related to alleged improprieties.

No definition available.

Name:	hpe_NumberOfContractsRelatedToAllegedImproprieties
Namespace Prefix:	hpe_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

The number of the subsidiary of the former Parent's employees alleging the entity underpaid customs duties related to the proceedings.

No definition available.

Name:	hpe_NumberOfSubsidiaryEmployeesRelatedToAllegedUnderpaidCustomsDutiesProceedings
Namespace Prefix:	hpe_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Number of Former Subsidiary Employees Related to Alleged Underpaid Customs Duties Proceedings

No definition available.

Name:	hpe_NumberofFormerSubsidiaryEmployeesRelatedtoAllegedUnderpaidCustomsDutiesProceedings
Namespace Prefix:	hpe_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Amount awarded from other party in judgment or settlement of litigation.

No definition available.

Name:	us-gaap_LitigationSettlementAmountAwardedFromOtherParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14557-108349

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349

Name:	us-gaap_LossContingencyDamagesSoughtValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Number of plaintiffs that have filed claims pertaining to a loss contingency.

No definition available.

Name:	us-gaap_LossContingencyNumberOfPlaintiffs
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

The charge against earnings in the period for the uninsured portion of a loss from a fire, explosion, or natural disaster (hurricane, earthquake).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.9)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Name:	us-gaap_LossFromCatastrophes
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=hpe_IndiaDirectorateOfRevenueIntelligenceProceedingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=hpe_BangaloreCommissionerOfCustomsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=hpe_ECTMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LitigationCaseAxis=hpe_Forsythet.glvsHPInc.andHewlettPackardEnterpriseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LitigationCaseAxis=hpe_OracleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LitigationStatusAxis=us-gaap_JudicialRulingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LitigationCaseAxis=hpe_OraclePastLostProfitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LitigationCaseAxis=hpe_OracleFutureLostProfitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=hpe_EverettSpinCoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=us-gaap_IndemnificationGuaranteeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: