Consolidated Variable Interest Entities ("VIEs") and Investments in Affiliates - Schedule of Assets and Liabilities Included in Consolidated Balance Sheets (Detail) - USD ($) $ in Millions	Dec. 31, 2019		Dec. 31, 2018	Dec. 31, 2017
Variable Interest Entity [Line Items]
Property and equipment, net	$ 9,594	[1]	$ 7,975	$ 8,311
Cash and cash equivalents	346		410
Restricted cash	40		15
Accounts receivable, net	180		153
Prepaid expenses	83		82
Debt	3,871		2,948
Accounts payable and accrued expenses	217		183
Due to hotel manager	159		137
Other liabilities	282		332
Consolidated VIEs [Member]
Variable Interest Entity [Line Items]
Property and equipment, net	221		223
Cash and cash equivalents	13		12
Restricted cash	1		1
Accounts receivable, net	5		4
Prepaid expenses	2		2
Debt	207		207
Accounts payable and accrued expenses	8		7
Due to hotel manager	2		2
Other liabilities	$ 2		$ 1

[1] Excludes $62 million of property and equipment, net classified as held for sale as of December 31, 2019.