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

Timeshare units transfer from property and equipment to inventory recorded as non cash operating activity.

No definition available.

Name:	hgv_TimeshareUnitsTransferFromPropertyAndEquipmentToInventory
Namespace Prefix:	hgv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration