Name:	hpq_AdditionalDepositAgainstPartsRelatedShowCauseNotice
Namespace Prefix:	hpq_
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Balance Type:	debit
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The amount of additional deposit made with the Customs Tribunal in connection with the product order.

No definition available.

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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

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.

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Balance Type:	debit
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The amount deposited by the entity to prevent interruption of business.

No definition available.

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Namespace Prefix:	hpq_
Data Type:	xbrli:monetaryItemType
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Loss Contingency, Number of Defendants, Current Employee

No definition available.

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Balance Type:	na
Period Type:	duration

Loss Contingency, Number of Defendants, Former Employee

No definition available.

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Namespace Prefix:	hpq_
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Balance Type:	na
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Loss Contingency, Patents Allegedly Infringed Upon, Damages And Product Recall

No definition available.

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Loss Contingency, Patents Withdrawn

No definition available.

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Balance Type:	na
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Represents number of members.

No definition available.

Name:	hpq_NumberOfMembers
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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents the number of subsidiaries.

No definition available.

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Namespace Prefix:	hpq_
Data Type:	xbrli:integerItemType
Balance Type:	na
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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount of damages awarded to the plaintiff in the legal matter.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
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-Section 50
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The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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Number of another entity's patents that the entity has allegedly infringed.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
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-Name Accounting Standards Codification
-Section 50
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Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	srt_LitigationCaseAxis=hpq_WilusMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Namespace Prefix:
Data Type:	na
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Namespace Prefix:
Data Type:	na
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