Overview and Basis of Presentation (Details)	Nov. 01, 2015 shares
Overview and Basis of Presentation
Number of shares of Hewlett Packard Enterprise common stock for every share of HP Inc. common stock	1
Numbers of Hewlett Packard Enterprise common stock distributed to the HP Inc. stockholders	1,800,000,000

Represents the number of shares distributed by the subsidiary to the parent company's stockholders in a spinoff transaction.

No definition available.

Name:	hpq_NumberOfSubsidiarySharesDistributedToParentCompanyStockholdersSpinoffTransaction
Namespace Prefix:	hpq_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant