Summary of Significant Accounting Policies Summary of Significant Accounting Policies - Contract and Contract Related Liabilities (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Outstanding Chip Liability [Member]
Contract and Contract Related Liabilities [Line Items]
Contract and contract related, liability		$ 81	$ 74	$ 197
Change in contract and contract related liabilities		7	(123)
Loyalty Program Liability [Member]
Contract and Contract Related Liabilities [Line Items]
Contract and contract related, liability		72	61	62
Change in contract and contract related liabilities		11	(1)
Customer Deposits and Other Deferred Revenue [Member]
Contract and Contract Related Liabilities [Line Items]
Contract and contract related, liability	[1]	614	618	633
Change in contract and contract related liabilities		(4)	(15)
Mall [Member] | Customer Deposits and Other Deferred Revenue [Member]
Contract and Contract Related Liabilities [Line Items]
Contract and contract related, liability	[1]	$ 149	$ 145	$ 152

[1] Of this amount, $149 million, $145 million and $152 million as of December 31, 2022 and 2021 and January 1, 2021, respectively, relates to mall deposits that are accounted for based on lease terms usually greater than one year.