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Organization - Additional Information (Details) $ in Thousands, MOP$ in Millions	Mar. 03, 2022 USD ($)	Mar. 03, 2022 MOP (MOP$)	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Organization and Basis of Presentation [Line Items]
Cash and cash equivalents			$ 2,317,352	$ 2,522,530
Long-term debt, gross			11,983,922	12,000,266
Payments commited to extend gaming concessions	$ 5,800	MOP$ 47.0
Senior Notes \| Wynn Macau
Organization and Basis of Presentation [Line Items]
Long-term debt, gross			4,700,000
Senior Revolving Credit Facility, Due 2024 \| Senior Secured Revolving Credit Facility \| WRF
Organization and Basis of Presentation [Line Items]
Available borrowing capacity			835,600
WM Cayman II Revolver, due 2025 \| Senior Secured Revolving Credit Facility \| WM Cayman Holdings Limited II
Organization and Basis of Presentation [Line Items]
Available borrowing capacity			211,900
Long-term debt, gross			$ 1,283,922	$ 1,287,766
Wynn Palace and Wynn Macau
Organization and Basis of Presentation [Line Items]
Percentage of ownership			72.00%
Wynn Las Vegas
Organization and Basis of Presentation [Line Items]
Percentage of ownership			100.00%
Retail Joint Venture
Organization and Basis of Presentation [Line Items]
Percentage of ownership			50.10%
Encore Boston Harbor
Organization and Basis of Presentation [Line Items]
Percentage of ownership			100.00%
Wynn Interactive
Organization and Basis of Presentation [Line Items]
Percentage of ownership			74.00%