Revenue Recognition - Receivables (Details) - USD ($) $ in Millions		Jun. 30, 2019	Dec. 31, 2018
Loans and Leases Receivable Disclosure [Line Items]
Contract with Customer, Asset, after Allowance for Credit Loss		$ 346	$ 327
Real estate leases		15	15
Other		115	115
Receivables, net		476	457
Casino [Member]
Loans and Leases Receivable Disclosure [Line Items]
Contract with Customer, Asset, after Allowance for Credit Loss		180	188
Food and Beverage [Member]
Loans and Leases Receivable Disclosure [Line Items]
Contract with Customer, Asset, after Allowance for Credit Loss	[1]	83	62
Entertainment and other
Loans and Leases Receivable Disclosure [Line Items]
Contract with Customer, Asset, after Allowance for Credit Loss		$ 83	$ 77

[1] ⁽¹⁾  As a result of the adoption of ASC 842, as of January 1, 2019, revenue generated from the lease components of lodging arrangements and conventions as well as their associated receivables are no longer considered contract revenue or contract receivables under ASC 606, Revenue from Contracts with Customers. A portion of this balance relates to lease receivables under ASC 842. See Note 7 for further details.