Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues
Total revenues		$ 98	$ 672	$ 739	$ 2,034
Operating expenses
Other property-level		84	54	200	152
Management fees		2	32	27	101
Impairment and casualty loss, net		2	8	696	8
Depreciation and amortization		75	61	225	184
Corporate general and administrative		13	14	42	47
Acquisition costs		9	59	10	65
Other		6	23	31	61
Total expenses		303	635	1,844	1,776
(Loss) gain on sales of assets, net		(1)	1	62	20
Operating (loss) income		(206)	38	(1,043)	278
Interest income			2	2	5
Interest expense		(59)	(33)	(149)	(98)
Equity in (losses) earnings from investments in affiliates		(7)	3	(16)	18
Other loss, net		(3)	(1)	(6)	(1)
(Loss) income before income taxes		(275)	9	(1,212)	202
Income tax expense		(1)		(14)	(12)
Net (loss) income		(276)	9	(1,226)	190
Net loss (income) attributable to noncontrolling interests			(4)	3	(7)
Net (loss) income attributable to stockholders		(276)	5	(1,223)	183
Other comprehensive income (loss), net of tax expense:
Currency translation adjustment, net of tax expense of $0		1	(3)	4	(2)
Change in fair value of interest rate swap, net of tax expense of $0				(6)
Total other comprehensive income (loss)		1	(3)	(2)	(2)
Comprehensive (loss) income		(275)	6	(1,228)	188
Comprehensive (income) loss attributable to noncontrolling interests			(4)	3	(7)
Comprehensive (loss) income attributable to stockholders		$ (275)	$ 2	$ (1,225)	$ 181
(Loss) Earnings per share:
(Loss) Earnings per share - Basic	[1]	$ (1.17)	$ 0.02	$ (5.19)	$ 0.90
(Loss) Earnings per share - Diluted	[1]	$ (1.17)	$ 0.02	$ (5.19)	$ 0.90
Weighted average shares outstanding - Basic		235	206	236	203
Weighted average shares outstanding - Diluted		235	207	236	204
Rooms [Member]
Revenues
Total revenues		$ 70	$ 430	$ 453	$ 1,267
Operating expenses
Expenses		30	114	162	334
Food and Beverage [Member]
Revenues
Total revenues		10	156	174	534
Operating expenses
Expenses		18	117	155	371
Ancillary Hotel [Member]
Revenues
Total revenues		15	64	87	174
Other [Member]
Revenues
Total revenues		3	22	25	59
Other Departmental and Support [Member]
Operating expenses
Expenses		$ 64	$ 153	$ 296	$ 453

[1] Per share amounts are calculated based on unrounded numbers and are calculated independently for each period presented.