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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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- Definition

Face (par) amount of debt instrument at time of issuance.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

Fair Value Adjustment for Redemption Note

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Long-Term Debt - Summary of Long-Term Debt (Detail) - USD ($)	Dec. 31, 2018	Dec. 31, 2017	Sep. 20, 2017	Sep. 11, 2017	Feb. 18, 2015	May 22, 2013	Feb. 18, 2012
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 9,540,700,000	$ 9,785,241,000
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	(117,600,000)	(99,231,000)
Fair Value Adjustment of Debt	0	(57,384,000)
Long-term debt total	9,423,100,000	9,628,626,000
Current portion of long-term debt	(11,960,000)	(62,690,000)
Non current portion of long-term debt	9,411,140,000	9,565,936,000
Medium-term Notes \| Wynn Resorts Term Loan Due 2024
Debt Instrument [Line Items]
Long-term Debt, Gross	500,000,000	0
Wynn Macau \| Secured Debt \| Senior Term Loan Facility, Due 2022
Debt Instrument [Line Items]
Long-term Debt, Gross	2,296,999,000	2,298,798,000
Wynn Macau \| Revolving Credit Facility \| Senior Revolving Credit Facility, Due 2022
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 623,921,000	0
Wynn Macau, Limited \| WML Finance Credit Facility
Debt Instrument [Line Items]
Debt instrument, interest rate	1.50%
Wynn Macau, Limited \| Senior Notes \| 4 7/8% Senior Notes, due 2024
Debt Instrument [Line Items]
Debt instrument, interest rate	4.875%		4.875%
Long-term Debt, Gross	$ 600,000,000	600,000,000
Debt instrument, aggregate principal amount			$ 600,000,000
Wynn Macau, Limited \| Senior Notes \| 5 1/2% Senior Notes, due 2027
Debt Instrument [Line Items]
Debt instrument, interest rate	5.50%		5.50%
Long-term Debt, Gross	$ 750,000,000	750,000,000
Debt instrument, aggregate principal amount			$ 750,000,000
Wynn Macau, Limited \| Senior Notes \| 5 1/4% Senior Notes, due 2021
Debt Instrument [Line Items]
Debt instrument, interest rate				5250.00%
Wynn America \| Secured Debt \| Senior Term Loan Facility
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 994,780,000	1,000,000,000
Wynn Las Vegas, LLC and Wynn Las Vegas Capital Corp \| Senior Notes \| 4 1/4% Wynn Las Vegas Senior Notes Due May 30, 2023
Debt Instrument [Line Items]
Debt instrument, interest rate	4.25%
Long-term Debt, Gross	$ 500,000,000	500,000,000
Wynn Las Vegas, LLC and Wynn Las Vegas Capital Corp \| Senior Notes \| 5 1/2% Senior Notes, Due March 1, 2025
Debt Instrument [Line Items]
Debt instrument, interest rate	5.50%
Long-term Debt, Gross	$ 1,780,000,000	1,800,000,000
Wynn Las Vegas, LLC and Wynn Las Vegas Capital Corp \| Senior Notes \| 5 1/2% Senior Notes, Due May 15, 2027
Debt Instrument [Line Items]
Debt instrument, interest rate	5.25%
Long-term Debt, Gross	$ 880,000,000	900,000,000
Wynn Las Vegas, LLC and Wynn Las Vegas Capital Corp \| Senior Notes \| Redemption Price Promissory Note With Former Stockholder and Related Party, Due February 18, 2022; Interest At 2%
Debt Instrument [Line Items]
Long-term Debt, Gross	0
Debt instrument, aggregate principal amount							$ 1,936,443,000
Wynn Las Vegas, LLC and Wynn Las Vegas Capital Corp \| First Mortgage Notes \| 4 1/4% Wynn Las Vegas Senior Notes Due May 30, 2023
Debt Instrument [Line Items]
Debt instrument, interest rate						4.25%
Debt instrument, aggregate principal amount						$ 500,000,000
Wynn Las Vegas, LLC and Wynn Las Vegas Capital Corp \| First Mortgage Notes \| 5 3/8% Wynn Las Vegas First Mortgage Notes, Due March 15, 2022
Debt Instrument [Line Items]
Debt instrument, interest rate					5.50%
Debt instrument, aggregate principal amount					$ 1,800,000,000
Wynn/CA Plaza Property Owner, LLC And Wynn/CA Property Owner, LLC \| Medium-term Notes \| Retail Term Loan, Due 2025
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 615,000,000	$ 0