Name:	hpq_AdditionalDepositAgainstPartsRelatedShowCauseNotice
Namespace Prefix:	hpq_
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:	hpq_AdditionalDepositAgainstProductOrder
Namespace Prefix:	hpq_
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:	hpq_AdditionalDepositAgainstProductsRelatedShowCauseNotice
Namespace Prefix:	hpq_
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:	hpq_AmountDepositedUnderProductsShowCauseNotice
Namespace Prefix:	hpq_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

Name:	hpq_CopyrightLeviesListItemsAbstract
Namespace Prefix:	hpq_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Represents the amount of copyright levies payable on sales of MFDs in Belgium.

No definition available.

Name:	hpq_CopyrightLeviesPayableOnSalesOfMFDsInBelgium
Namespace Prefix:	hpq_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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:	hpq_DutiesPenaltiesAffirmedUnderShowCauseNotices
Namespace Prefix:	hpq_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The per unit levy assessed by a collection agency on a specific vendor for personal computers sold since March 2001 in Germany.

No definition available.

Name:	hpq_LevyAssessedOnVendorForPCsPriorPeriodGermany
Namespace Prefix:	hpq_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	duration

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

No definition available.

Name:	hpq_LossContingencyDepositToPreventInterruptionOfBusiness
Namespace Prefix:	hpq_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the number of cased filed.

No definition available.

Name:	hpq_NumberOfCasesFiled
Namespace Prefix:	hpq_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents the number of consolidated lawsuits filed regarding ERISA litigation.

No definition available.

Name:	hpq_NumberOfConsolidatedErisaLawsuitsFiled
Namespace Prefix:	hpq_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents the number of consolidated lawsuits filed regarding derivative litigation.

No definition available.

Name:	hpq_NumberOfConsolidatedLawsuitsFiled
Namespace Prefix:	hpq_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Represents the number of lawsuits filed alleging insider trading.

No definition available.

Name:	hpq_NumberOfLawsuitsAllegingInsiderTradingFiled
Namespace Prefix:	hpq_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Represents number of members.

No definition available.

Name:	hpq_NumberOfMembers
Namespace Prefix:	hpq_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

The number of patents asserted in patent infringement lawsuit proceeding.

No definition available.

Name:	hpq_NumberOfPatents
Namespace Prefix:	hpq_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Represents the number of subsidiaries.

No definition available.

Name:	hpq_NumberOfSubsidiaries
Namespace Prefix:	hpq_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Amount related to transaction of former subsidiary under investigation.

No definition available.

Name:	hpq_TransactionOfFormerSubsidiaryUnderInvestigation
Namespace Prefix:	hpq_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2420-110228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

Name:	us-gaap_AssetImpairmentCharges
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=25496072&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=25496072&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=25496072&loc=d3e14435-108349

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

Name:	dei_LegalEntityAxis=hpq_MemjetTechnologyLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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

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

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

Name:	us-gaap_BusinessAcquisitionAxis=hpq_AcquisitionOfAutonomyMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_CounterpartyNameAxis=hpq_MessrsLynchMember
Namespace Prefix:
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