v3.8.0.1

Segment Information - Narrative (Details) $ in Millions		6 Months Ended
	Nov. 01, 2017 segment	Apr. 30, 2018 segment	Apr. 30, 2017 USD ($)
Segment Reporting [Abstract]
Number of segments | segment	2	4
Advanced payments from advanced royalty payment arrangements | $			$ 439
Term of arrangements			15 years

X

- Definition

Represents the amount of eliminated legal entity advance royalty proceeds received from intercompany royalty and licensing arrangements during the period.

+ References

No definition available.

+ Details

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

X

- Definition

Represents the royalty revenue recognition term.

+ References

No definition available.

+ Details

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

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

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