Overview and Basis of Presentation (Details) shares in Billions	Nov. 01, 2015 shares
Accounting Policies [Abstract]
Number of shares of Hewlett Packard Enterprise common stock for every share of HP Inc. common stock	1
Number of Hewlett Packard Enterprise common stock distributed to the HP Inc. stockholders (shares)	1.8

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