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INVENTORY - Narrative (Details) $ in Millions | 9 Months Ended
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Sep. 30, 2024 USD ($) property
Inventory Disclosure [Abstract] |
Timeshare units transfer from property and equipment to inventory | $ | $ 285
Number of properties under construction | property | 3

X
- Definition Number Of Properties Under Construction + References No definition available. + Details
Name: | hgv_NumberOfPropertiesUnderConstruction
Namespace Prefix: | hgv_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Timeshare Units Transfer From Property And Equipment To Inventory + References No definition available. + Details
Name: | hgv_TimeshareUnitsTransferFromPropertyAndEquipmentToInventory
Namespace Prefix: | hgv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InventoryDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration