INVENTORY - Narrative (Details) $ in Millions	9 Months Ended
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

Timeshare Units Transfer From Property And Equipment To Inventory

No definition available.

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