Assets Held for Sale and Disposals - Summary of Assets and Liabilities Held for Sale (Detail) $ in Millions	Dec. 31, 2017 USD ($)
Assets:
Property and equipment, net	$ 31
Hilton Durban [Member]
Assets:
Property and equipment, net	31
Cash and cash equivalents	2
Accounts receivable	2
Prepaid expenses	2
Total Assets Held for Sale	37
Liabilities:
Liabilities related to assets held for sale	1	[1]
Total Liabilities Held for Sale	$ 1

[1] Amounts included in Other liabilities in our consolidated balance sheet as of December 31, 2017.