Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Long-Term Debt - Wynn Resorts Term Loan (Details) - USD ($)	Oct. 30, 2018	Dec. 31, 2019	Mar. 08, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Amount of term loan facility		$ 10,515,272,000		$ 9,540,700,000
Medium-term Notes \| WRL Term Loan I
Debt Instrument [Line Items]
Amount of term loan facility	$ 500,000,000.0
Term	6 years
Medium-term Notes \| WRL Term Loan II
Debt Instrument [Line Items]
Amount of term loan facility			$ 250,000,000.0