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Commitments and Contingencies - Additional Information (Detail) |  |  | 3 Months Ended | 0 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 0 Months Ended | 3 Months Ended |  | 0 Months Ended | 1 Months Ended |  | 0 Months Ended |  | 0 Months Ended | 3 Months Ended | 0 Months Ended | 3 Months Ended | 0 Months Ended
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Mar. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Mar. 31, 2014 4 1/4% Wynn Las Vegas Senior Notes Due May 30, 2023 | Feb. 13, 2014 Redemption Price Promissory Note With Former Stockholder And Related Party, Due February 18, 2022; Interest At 2% USD ($) | Feb. 14, 2013 Redemption Price Promissory Note With Former Stockholder And Related Party, Due February 18, 2022; Interest At 2% USD ($) | Mar. 31, 2014 Redemption Price Promissory Note With Former Stockholder And Related Party, Due February 18, 2022; Interest At 2% | Dec. 31, 2013 Redemption Price Promissory Note With Former Stockholder And Related Party, Due February 18, 2022; Interest At 2% | Mar. 31, 2014 7 7/8% Wynn Las Vegas First Mortgage Notes, Due May 1, 2020 | Dec. 31, 2013 7 7/8% Wynn Las Vegas First Mortgage Notes, Due May 1, 2020 | Mar. 31, 2014 7 3/4% Wynn Las Vegas First Mortgage Notes, Due August 15, 2020 | Dec. 31, 2013 7 3/4% Wynn Las Vegas First Mortgage Notes, Due August 15, 2020 | Mar. 31, 2014 5 3/8% Wynn Las Vegas First Mortgage Notes, Due March 15, 2022 | Dec. 31, 2013 5 3/8% Wynn Las Vegas First Mortgage Notes, Due March 15, 2022 | Feb. 18, 2012 Aruze USA, Inc. USD ($) | Mar. 31, 2014 Wynn Palace Room | Feb. 22, 2013 Directors | May 02, 2012 Cotai Development and Land Concession Contract USD ($) Installment | Dec. 31, 2011 Cotai Development and Land Concession Contract USD ($) | Sep. 30, 2011 Cotai Development and Land Concession Contract acre | Mar. 31, 2014 Cotai Development and Land Concession Contract USD ($) | Jul. 29, 2013 Cotai Development and Land Concession Contract Guarantee Obligations USD ($) | Jul. 29, 2013 Cotai Development and Land Concession Contract Guarantee Obligations HKD | Mar. 31, 2014 Pre Construction Completion Payments USD ($) | Mar. 31, 2014 Post Construction Completion Payments USD ($) | Oct. 29, 2013 Pending Litigation Redemption Action and Counterclaim | May 02, 2013 Pending Litigation Redemption Action and Counterclaim | Apr. 08, 2013 Pending Litigation Redemption Action and Counterclaim | Mar. 31, 2014 Pending Litigation Derivative Claims claim | Mar. 31, 2014 Pending Litigation Derivative Claims United States District Court, District of Nevada [Member] claim | Feb. 05, 2014 Pending Litigation Derivative Claims Eighth Judicial District Court of Clark County, Nevada [Member] | Oct. 13, 2012 Pending Litigation Derivative Claims Eighth Judicial District Court of Clark County, Nevada [Member] | Mar. 31, 2014 Pending Litigation Derivative Claims Eighth Judicial District Court of Clark County, Nevada [Member] claim | Apr. 29, 2014 Subsequent Event Pending Litigation Redemption Action and Counterclaim
Commitments and Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of rooms in hotel |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,700 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Quantity of land acquired (acres) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 51 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Land concession contract period (years) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total land premium payable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 193,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Down payment of premium |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 62,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of additional semi-annual payments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individual semi-annual payment of premium (8 total) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rate of interest on premium |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Land premium payment obligation, current | 29,328,000 | 29,341,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Land premium payment obligation, noncurrent | 46,800,000 | 46,819,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual lease payments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 800,000 | 1,100,000 |  |  |  |  |  |  |  |  |
Guaranteed maximum price of contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,570,000,000 | 20,000,000,000 |  |  |  |  |  |  |  |  |  |  |
Bond as a percentage of guaranteed maximum price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.00% | 5.00% |  |  |  |  |  |  |  |  |  |  |
Project costs incurred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 866,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Project budget |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of shares voted in favor of removal of Mr. Okada |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 99.60% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of voted shares (over 86 mil) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 86,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock redeemed, shares |  |  |  |  |  |  |  |  |  |  |  |  |  | 24,549,222 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption price promissory note, principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,940,000,000.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt due date |  |  |  |  |  | Feb. 18, 2022 | Feb. 18, 2022 | May 01, 2020 | May 01, 2020 | Aug. 15, 2020 | Aug. 15, 2020 | Mar. 15, 2022 | Mar. 15, 2022 | Feb. 18, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, interest rate |  |  | 4.25% |  |  | 2.00% | 2.00% | 7.875% | 7.875% | 7.75% | 7.75% | 5.375% | 5.375% | 2.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Period For an Offer to Repurchase Notes After a Change of Control |  |  | 60 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt purchase price percentage of aggregate principal amount | 101.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest payment due |  |  |  | $ 38,700,000 | $ 38,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Interim Status Update Period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 months |  |  |  |  |  |
Number of derivative actions commenced in the U.S. District Court |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 | 4 |  |  | 2 |
Period After Dismissal of Claim to File an Amended Complaint |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 days |  |  |
Period for a Stay of Derivative Action |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 months | 6 months |  |  |  |  | 90 days |  | 6 months

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