Held for Sale — Discontinued Operations (Details) - USD ($) $ in Millions		3 Months Ended								12 Months Ended
		Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss on modification or early retirement of debt										$ (137)	$ 0	$ (2)
Net income (loss) from discontinued operations		$ 118	$ 99	$ 38	$ (62)	$ (73)	$ (67)	$ (144)	$ 41	193	(243)	136
Discontinued Operations, Held for sale | Las Vegas Operating Properties [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash equivalents		55				39				55	39
Accounts receivable, net of provision for credit losses of $58 and $59		126				86				126	86
Inventories		9				10				9	10
Prepaid expenses and other		23				23				23	23
Property and equipment, net		2,864				2,830				2,864	2,830
Other assets, net		226				234				226	234
Total held for sale assets	[1]	3,303				3,222				3,303	3,222
Accounts payable		24				9				24	9
Construction payables		8				6				8	6
Other accrued liabilities		318				232				318	232
Long-term debt		2				3				2	3
Deferred amounts related to mall sale transactions		338				344				338	344
Other long-term liabilities		131				161				131	161
Total held for sale liabilities	[1]	821				755				821	755
Accounts receivable, provision for credit loss		$ 58				$ 59				58	59
Net revenues										1,271	672	1,612
Resort operations expenses										626	490	733
Provision for credit losses										13	12	8
General and administrative										342	294	384
Corporate										0	1	0
Depreciation and amortization										25	163	145
Loss on disposal or impairment of assets										6	7	9
Operating income (loss)										259	(295)	333
Interest expense										(13)	(13)	(106)
Other income										1	3
Other expense												(34)
Loss on modification or early retirement of debt										0	0	(21)
Income (loss) from discontinued operations before income tax										247	(305)	172
Income tax (expense) benefit										(54)	62	(36)
Net income (loss) from discontinued operations										193	(243)	136
Disposal group, including discontinued operation, adjusted property EBITDA										290	(124)	487
Discontinued Operations, Held for sale | Casino [Member] | Las Vegas Operating Properties [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues										443	228	444
Discontinued Operations, Held for sale | Rooms [Member] | Las Vegas Operating Properties [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues										454	218	610
Discontinued Operations, Held for sale | Food and Beverage [Member] | Las Vegas Operating Properties [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues										236	126	347
Discontinued Operations, Held for sale | Convention, Retail and Other [Member] | Las Vegas Operating Properties [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues										$ 138	$ 100	$ 211

[1] All assets and liabilities held for sale were classified as current as it is probable the sale of the Las Vegas Operations will be completed within one year.