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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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Long-Term Debt Long-Term Debt - Wynn America Credit Facilities (Details) - USD ($)		12 Months Ended
	Apr. 24, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Loss on extinguishment of debt		$ (104,000)	$ 55,360,000	$ 0
Wynn America \| Secured Debt \| WA Senior Term Loan Facility II
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	$ 125,000,000
Wynn America \| Secured Debt \| WA Senior Term Loan Facility I
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	875,000,000
Wynn America \| Secured Debt \| WA Senior Term Loan Facility I, Due November 2020
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	69,600,000.0
Periodic payment	1,700,000
Balloon payment due at maturity	52,200,000
Wynn America \| Secured Debt \| WA Senior Term Loan Facility I, Due December 2021
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	805,400,000.0
Periodic payment	20,100,000
Annual principal payment	664,500,000
Wynn America \| Secured Debt \| Wynn America Credit Facilities
Debt Instrument [Line Items]
Interest rate during period on debt		4.10%	3.32%
Fee required for unborrowed amounts, percentage per annum		0.30%
Maximum consolidated senior secured net leverage ratio		2.75
Minimum consolidated EBITDA		$ 200,000,000
Wynn America \| Revolving Credit Facility \| Wynn America Credit Facilities
Debt Instrument [Line Items]
Availability of credit facility		357,300,000
Letter of credit outstanding		$ 17,700,000
Revolving Credit Facility \| Wynn America \| WA Senior Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	375,000,000
Revolving Credit Facility \| Wynn America \| WA Senior Revolving Credit Facility, Due November 2019
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	42,000,000
Revolving Credit Facility \| Wynn America \| WA Senior Revolving Credit Facility Due December 2021
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	333,000,000
Wynn America Credit Facilities \| Wynn America \| Secured Debt
Debt Instrument [Line Items]
Loss on extinguishment of debt	$ 1,500,000
Base Rate \| Wynn America \| Secured Debt \| Wynn America Credit Facilities
Debt Instrument [Line Items]
Basis spread on variable rate	0.75%
LIBOR \| Wynn America \| Secured Debt \| Wynn America Credit Facilities
Debt Instrument [Line Items]
Basis spread on variable rate	1.75%