Property and Equipment - Additional Information (Detail) $ in Millions	1 Months Ended	3 Months Ended			9 Months Ended
	Jul. 31, 2017 USD ($) Room	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Oct. 31, 2017 Room	Dec. 31, 2016 USD ($)
Property, Plant and Equipment [Line Items]
Depreciation			$ 72	$ 71	$ 213	$ 216
Net capital lease assets included in property and equipment			20		20			$ 19
Accumulated depreciation of capital lease assets included in property and equipment			$ 9		$ 9			$ 8
Hilton Waikoloa Village [Member]
Property, Plant and Equipment [Line Items]
Number of rooms released | Room	14
Number of hotel rooms | Room	600
Derecognized property and equipment, net and related liability	$ 4
Hilton Waikoloa Village [Member] | Scenario, Forecast [Member]
Property, Plant and Equipment [Line Items]
Derecognized property and equipment, net and related liability		$ 34
Subsequent Events [Member] | Hilton Waikoloa Village [Member]
Property, Plant and Equipment [Line Items]
Number of rooms released | Room							120