Property and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 18,708	$ 19,083
Less: accumulated depreciation	(3,732)	(3,038)
Total property and equipment, net	14,976	16,045
Land
Property, Plant and Equipment [Line Items]
Total property and equipment	4,218	4,871
Buildings, riverboats, and leasehold and land improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	12,022	12,243
Furniture, fixtures, and equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	1,762	1,563
Construction in progress
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 706	$ 406