Condensed Consolidated Statements of Comprehensive Loss - USD ($) shares in Millions, $ in Millions		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Revenues
Total revenues		$ 165	$ 599
Operating expenses
Other property-level		48	60
Management fees		7	25
Impairment loss and casualty gain, net			694
Depreciation and amortization		74	75
Corporate general and administrative		18	16
Other		7	21
Total expenses		288	1,298
Gain on sales of assets, net			62
Operating loss		(123)	(637)
Interest income			1
Interest expense		(63)	(40)
Equity in losses from investments in affiliates		(4)	(1)
Other loss, net			(2)
Loss before income taxes		(190)	(679)
Income tax expense		(1)	(10)
Net loss		(191)	(689)
Net loss attributable to noncontrolling interests		1	1
Net loss attributable to stockholders		(190)	(688)
Other comprehensive loss, net of tax expense:
Currency translation adjustment, net of tax expense of $0			4
Change in fair value of interest rate swap, net of tax expense of $0		1	(6)
Total other comprehensive income (loss)		1	(2)
Comprehensive loss		(190)	(691)
Comprehensive loss attributable to noncontrolling interests		1	1
Comprehensive loss attributable to stockholders		$ (189)	$ (690)
Loss per share:
Loss per share - Basic	[1]	$ (0.81)	$ (2.89)
Loss per share - Diluted	[1]	$ (0.81)	$ (2.89)
Weighted average shares outstanding - Basic		235	238
Weighted average shares outstanding - Diluted		236	238
Rooms [Member]
Revenues
Total revenues		$ 106	$ 362
Operating expenses
Expenses		35	112
Food and Beverage [Member]
Revenues
Total revenues		22	161
Operating expenses
Expenses		21	123
Ancillary Hotel [Member]
Revenues
Total revenues		29	57
Other [Member]
Revenues
Total revenues		8	19
Other Departmental and Support [Member]
Operating expenses
Expenses		$ 78	$ 172

[1] Per share amounts are calculated based on unrounded numbers.