Number of Virtual Kiosks

No definition available.

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Namespace Prefix:	hgv_
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Balance Type:	na
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- Definition

Vacation ownership interval commitment.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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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-Publisher FASB
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Period Type:	instant

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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.

+ References

No definition available.

+ Details

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

- Definition

Period covered by long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 205
-SubTopic 20
-Name Accounting Standards Codification
-Section S99
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-Subparagraph (SAB Topic 5.Z.5.Q2)
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the number of stores.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-2

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=us-gaap_SuretyBondMember
Namespace Prefix:
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Period Type:

- Details

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Period Type:

- Details

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- Details

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COMMITMENTS AND CONTINGENCIES - Narrative (Details) $ in Millions	1 Months Ended	9 Months Ended
	Nov. 30, 2023	Sep. 30, 2026 USD ($) store kiosk	Dec. 31, 2025 USD ($)
Long-term Purchase Commitment [Line Items]
Reasonably estimable of possible losses		$ 19	$ 8
Surety Bond
Long-term Purchase Commitment [Line Items]
Contractual obligation		$ 346
Marketing and license fee agreements
Long-term Purchase Commitment [Line Items]
Purchase commitment, period (in years)	10 years
Number of stores \| store		146
Number of virtual kiosks \| kiosk		6
Inventory Purchase Obligations
Long-term Purchase Commitment [Line Items]
Purchase commitment, period (in years)		12 years
Purchase commitment		$ 304
Vacation ownership intervals commitment		17
Other commitments
Long-term Purchase Commitment [Line Items]
Purchase commitment		$ 53