Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Feb. 22, 2019	Jun. 30, 2018
Document And Entity Information [Abstract]
Entity Registrant Name	Hilton Grand Vacations Inc.
Entity Central Index Key	0001674168
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Current Reporting Status	Yes
Document Type	10-K
Document Period End Date	Dec. 31, 2018
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Common Stock, Shares Outstanding		94,620,208
Entity Public Float			$ 3,336
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false