Net Parent Investment - Additional Information (Detail) - USD ($) $ in Millions	1 Months Ended		12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Related Party Transaction [Line Items]
Net transfers (to) from Parent			$ (13)	$ 40	$ 3
Borrowings					$ 45
Contribution from Parent		$ 45		987
Non-cash equity distribution		$ 20
Hilton Orlando Bonnet Creek [Member]
Related Party Transaction [Line Items]
Repurchase amount	$ 450			450
Repayments of loan	158
Repayment of loan by subsidiary	$ 292
Parent Company
Related Party Transaction [Line Items]
Debt instrument, interest rate, stated percentage					1.82%
Corporate Allocations [Member]
Related Party Transaction [Line Items]
Net transfers (to) from Parent				$ 66	$ 56