XML 104 R87.htm IDEA: XBRL DOCUMENT
v3.25.0.1

INVENTORY - Additional Information (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 USD ($) property | Dec. 31, 2023 USD ($)
Inventory Disclosure [Abstract] |  |
Timeshare units transfer from property and equipment to inventory | $ | $ 271 | $ 92
Number of properties under construction | property | 4 |

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 recorded as non cash operating activity. + 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