LEASES - Schedule of Rent Expense (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Minimum rentals	$ 28	$ 34	$ 20
Contingent rentals	11	4	2
Total	$ 39	$ 38	$ 22

Operating leases and rent expense contingent rentals.

No definition available.

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