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Summary of Long-Term Debt (Parenthetical) (Detail) (USD $)
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6 Months Ended | 12 Months Ended | ||
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Jun. 30, 2014
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Dec. 31, 2013
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Mar. 20, 2014
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Oct. 16, 2013
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Wynn Macau Senior Term Loan Facilities, Due July 31, 2017 And July 31, 2018
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| Debt Instrument [Line Items] | ||||
| Original issue discount | $ 4,366,000 | $ 4,900,000 | ||
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Wynn Macau Senior Term Loan Facilities, Due July 31, 2017 And July 31, 2018 | Due July 31, 2017
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| Debt Instrument [Line Items] | ||||
| Long-term debt due date | Jul. 31, 2017 | Jul. 31, 2017 | ||
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Wynn Macau Senior Term Loan Facilities, Due July 31, 2017 And July 31, 2018 | Due July 31,2018
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| Debt Instrument [Line Items] | ||||
| Long-term debt due date | Jul. 31, 2018 | Jul. 31, 2018 | ||
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5 1/4% Wynn Macau Senior Notes Due October 15, 2021
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| Debt Instrument [Line Items] | ||||
| Original issue premium | 5,453,000 | 0 | ||
| Debt instrument, interest rate | 5.25% | 5.25% | 5.25% | 5.25% |
| Debt instrument, principal amount | 750,000,000 | |||
| Long-term debt due date | Oct. 15, 2021 | Oct. 15, 2021 | ||
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7 7/8% Wynn Las Vegas First Mortgage Notes, Due May 1, 2020
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| Debt Instrument [Line Items] | ||||
| Original issue discount | 1,373,000 | 1,463,000 | ||
| Debt instrument, interest rate | 7.875% | 7.875% | ||
| Long-term debt due date | May 01, 2020 | May 01, 2020 | ||
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7 3/4% Wynn Las Vegas First Mortgage Notes, Due August 15, 2020
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| Debt Instrument [Line Items] | ||||
| Debt instrument, interest rate | 7.75% | 7.75% | ||
| Long-term debt due date | Aug. 15, 2020 | Aug. 15, 2020 | ||
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5 3/8% Wynn Las Vegas First Mortgage Notes, Due March 15, 2022
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| Debt Instrument [Line Items] | ||||
| Debt instrument, interest rate | 5.375% | 5.375% | ||
| Long-term debt due date | Mar. 15, 2022 | Mar. 15, 2022 | ||
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4 1/4% Wynn Las Vegas Senior Notes Due May 30, 2023
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| Debt Instrument [Line Items] | ||||
| Debt instrument, interest rate | 4.25% | 4.25% | ||
| Long-term debt due date | May 30, 2023 | May 30, 2023 | ||
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Redemption Price Promissory Note With Former Stockholder And Related Party, Due February 18, 2022; Interest At 2%
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| Debt Instrument [Line Items] | ||||
| Debt instrument, interest rate | 2.00% | 2.00% | ||
| Long-term debt due date | Feb. 18, 2022 | Feb. 18, 2022 | ||
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$42 Million Note Payable, Due April 1, 2017
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| Debt Instrument [Line Items] | ||||
| Interest in addition to LIBOR | 1.25% | 1.25% | ||
| Debt instrument, principal amount | $ 42,000,000 | $ 42,000,000 | ||
| Long-term debt due date | Apr. 01, 2017 | Apr. 01, 2017 | ||
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Minimum | Wynn Macau Senior Term Loan Facilities, Due July 31, 2017 And July 31, 2018
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| Debt Instrument [Line Items] | ||||
| Interest in addition to LIBOR | 1.75% | 1.75% | ||
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Maximum | Wynn Macau Senior Term Loan Facilities, Due July 31, 2017 And July 31, 2018
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| Debt Instrument [Line Items] | ||||
| Interest in addition to LIBOR | 2.50% | 2.50% |