Geographic and Business Segment Information - Reconciliation of Revenues from Consolidated Hotels to Condensed Combined Consolidated Amounts and Net Loss to Hotel Adjusted EBITDA (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Total revenues		$ 1,362	$ 852	$ 2,844
Net income (loss)		(452)	(1,444)	316
Impairment loss and casualty (gain) loss, net		9	696	(18)
Depreciation and amortization expense		281	298	264
Corporate general and administrative expense	[1]	62	61	61
Acquisition costs		0	10	70
Other operating expenses		49	36	78
Loss (gain) on sales of assets, net		5	(62)	(19)
Interest income		(1)	(2)	(6)
Interest expense		258	213	140
Equity in losses (earnings) from investments in affiliates		7	22	(14)
Income tax expense (benefit)		2	(6)	35
Other (gain) loss, net		7	15	(45)
Severance expense		0	33	2
Other items		1	12	15
Hotel Adjusted EBITDA		177	(147)	802
Total consolidated hotel revenue [Member]
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Total revenues		1,311	823	2,767
Other [Member]
Reconciliation of Revenue and Adjusted EBITDA from Segments to Consolidated Amounts [Line Items]
Total revenues		$ 51	$ 29	$ 77

[1] Excludes severance expense