Document and Entity Information [Abstract] Document And Entity Information Statement [Table] Statement [Line Items] Document Type Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Trading Symbol Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Entity Common Stock, Shares Outstanding Condensed Consolidated Balance Sheets ASSETS Current assets: Cash and cash equivalents Balance, end of period Balance, beginning of period Cash and Cash Equivalents, at Carrying Value, Total Cash and cash equivalents Short-term Investments Investment securities - held-to-maturity Short-term Investments, Total Receivables, Net, Current Net receivables Net receivables Receivables, net Inventories Inventory, Net, Total Prepaid expenses and other Prepaid expenses Prepaid Expense, Current, Total Total current assets Total current assets Property, Plant and Equipment, Net Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Property and equipment, net Property and equipment, net Property and equipment, net Long-term Investments Investment securities - held-to-maturity Long-term Investments, Total Intangibles, net Intangibles, net, ending balance Intangibles, net, beginning balance Intangible Assets, Net (Excluding Goodwill), Total Deferred financing costs Deferred Finance Costs, Noncurrent, Net, Total Other Assets, Noncurrent Deposits and other assets Other Assets, Noncurrent, Total Investment in unconsolidated affiliates Investment in subsidiaries Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures, Total Total assets Assets Total assets LIABILITIES AND STOCKHOLDERS' EQUITY Current liabilities: Carrying value as of the balance sheet date of obligations incurred and payable for the acquisition of merchandise, materials, supplies and services pertaining to construction projects such as a new hotel resort or remodels to existing resorts not classified as trade payables, and liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accounts And Construction Payable Current Accounts and construction payable Current portion of long-term debt Current portion of long-term debt Current portion of long-term debt Long-term Debt, Current Maturities, Total Income taxes payable Accrued interest Accrued compensation and benefits Employee-related Liabilities, Current, Total Carrying amount as of the balance sheet date for taxes payable (due within one year or within one normal operating cycle, if longer) based on gross gaming revenue in the jurisdictions in which we operate, subject to applicable jurisdictional adjustments. Gaming Taxes Payable Current Gaming taxes payable Other accrued expenses Customer deposits Carrying value as of the balance sheet date of the amount retained from construction contract payments to ensure the contractor completes the construction before the retention is returned, within one year of the balance sheet date (or one operating cycle, if longer). Construction Retention Payables Current Construction retention Deferred Tax Liabilities, Current Deferred tax liabilities current, total Deferred income taxes Total current liabilities Total current liabilities Long Term Debt Noncurrent Long-term debt Long-term Debt, Excluding Current Maturities, Total Non current portion of long-term debt Other Liabilities, Noncurrent, Total Other long-term liabilities Other Liabilities, Noncurrent, Total Other long term liabilities Deferred Tax Liabilities, Noncurrent Long term deferred tax liabilities, total Deferred income taxes Total liabilities Total liabilities Commitments and contingencies (Note 15) Commitments and contingencies (Note 16) Stockholders' equity: Preferred stock, par value $0.01: 40,000,000 shares authorized; zero shares issued and outstanding Preferred Stock, Value, Issued, Ending Balance Preferred Stock, Value, Issued, Beginning Balance Preferred Stock, Value, Issued, Total Common stock, par value $0.01; 400,000,000 shares authorized; 137,404,462 and 136,098,410 shares issued; and, 124,599,508 and 123,293,456 shares outstanding Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common stock, par value $0.01; 400,000,000 shares authorized; 137,754,305 and 137,404,462 shares issued; 124,942,128 and 124,599,508 shares outstanding Common Stock, Value, Issued, Total Net proceeds of common stock Treasury stock, at cost; 12,804,954 shares Treasury stock, at cost; 12,812,177 and 12,804,954 shares Treasury Stock, Value, Ending Balance Treasury Stock, Value, Beginning Balance Common stock repurchased, Value Additional paid in capital Additional Paid in Capital, Ending Balance Additional Paid in Capital, Beginning Balance Additional Paid in Capital, Total Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Beginning Balance Accumulated other comprehensive income Accumulated deficit Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Total Retained earnings Total Wynn Resorts, Limited stockholders' equity Balance total Wynn Resorts, Ltd stockholder's equity, value Balance, total Wynn Resorts, Ltd stockholder's equity, value Total Wynn Resorts, Limited stockholders' equity Stockholders' Equity Attributable to Noncontrolling Interest Balance,noncontrolling interest, value Balance,noncontrolling interest, value Noncontrolling interest Stockholders' Equity Attributable to Noncontrolling Interest, Total Noncontrolling interest Total equity Ending balance, value Beginning balance, value Total equity Total liabilities and stockholders' equity Total liabilities and stockholders' equity Preferred stock, par value Preferred stock, par value Preferred stock, shares authorized Preferred stock, shares authorized Preferred stock, shares issued Preferred Stock, Shares Issued, Total Preferred stock, shares outstanding Preferred Stock, Shares Outstanding, Ending Balance Preferred Stock, Shares Outstanding, Beginning Balance Common stock, par value Common stock, par value Common stock, shares authorized Common stock, shares authorized Common stock, shares issued Common stock, shares issued Common Stock, Shares, Issued, Total Sold shares of subsidiary's common stock Common stock, shares outstanding Ending balance, shares Beginning balance, shares Common stock, shares outstanding Treasury stock, shares Treasury Stock, Shares, Ending Balance Treasury Stock, Shares, Beginning Balance Common stock repurchsed, Shares Condensed Consolidated Statements Of Operations Operating revenues: Casino Revenue Casino Occupancy Revenue Rooms Food and Beverage Revenue Food and beverage Revenue earned during the period from shows, retail outlets, convention space, spa, salon, wedding salon, and golf course. Entertainment Retail And Other Revenue Entertainment, retail and other Aggregate revenue earned from hotel, casino, food and beverage, entertainment, retail, and other operations. This amount includes the retail value of complimentaries provided on a routine basis as part of our normal day to day operations. Hotel And Casino Revenue Gross Gross revenues Gross revenues Less: promotional allowances Less: promotional allowances Estimated cost of promotional allowances Net revenues Net revenues Operating costs and expenses: Casino Expenses Casino Occupancy Costs Rooms Food and Beverage, Cost of Sales Food and beverage Costs incurred during the period related to generating revenue from shows, retail outlets, convention space, spa, salon, wedding salon, and golf course operations. Entertainment Retail And Other Costs Entertainment, retail and other General and administrative Selling, General and Administrative Expense, Total Provision for doubtful accounts Provision for doubtful accounts Pre-opening costs Pre-opening costs Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction, Total The aggregate amount of expenses charged against earnings to eliminate the capitalized costs of projects abandoned during the reporting period, expenses associated with business termination activities and other expenses. Project Abandonment Costs Property charges and other Total property charges and other Total operating costs and expenses Total operating costs and expenses Operating income Operating income Other income (expense): Interest income Interest expense, net of capitalized interest Interest expense, net of capitalized interest Interest expense Interest Expense, Total Increase (decrease) in swap fair value Increase (decrease) in swap fair value Increase (decrease) in swap fair value Gain (Loss) on Derivative Instruments, Net, Pretax, Total Decrease in swap fair value Costs incurred with third parties directly related to the exchange or modification of debt. Loss On Exchange Offer Loss on extinguishment of debt/exchange offer Loss on extinguishment of debt/exchange offer Equity in income from unconsolidated affiliates Equity in income from unconsolidated affiliates Equity in income from unconsolidated affiliates Income (Loss) from Equity Method Investments, Total Equity in income of subsidiaries Other Total other non-operating costs and expenses Other Nonoperating Income (Expense), Total Other income (expense), net Other income (expense), net Income (loss) from continuing operations before income taxes and noncontrolling interest. Income (Loss) From Continuing Operations Before Income Taxes And Noncontrolling Interest Income before income taxes Income before income taxes Provision for income taxes Provision for income taxes (Provision) benefit for income taxes Income Tax Expense (Benefit), Total Net income Net income, total stockholder's equity Net income Net income Less: Net income attributable to noncontrolling interests Less: Net income attributable to noncontrolling interest Less: Net income attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest, Total Net income, noncontrolling interest Net income (loss) attributable to Wynn Resorts, Limited Net income (loss) attributable to Wynn Resorts Net income attributable to Wynn Resorts, Limited Net income, total Wynn Resorts, Ltd stockholder's equity Basic and diluted income per common share: Earnings Per Share Net income attributable to Wynn Resorts, Limited: Earnings Per Share, Basic Basic income (loss) per share Earnings Per Share, Basic, Total Basic Earnings Per Share, Diluted Diluted income (loss) per share Earnings Per Share, Diluted, Total Diluted Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Basic Weighted average common shares outstanding (used in calculation of basic earnings per share) Weighted Average Number of Shares Outstanding, Basic, Total Basic Weighted Average Number of Shares Outstanding, Diluted Weighted average common and common equivalent shares outstanding (used in calculation of diluted earnings per share) Weighted average common and common equivalent shares outstanding (used in calculation of diluted earnings per share) Diluted Common Stock, Dividends, Per Share, Declared Dividends declared per common share: Condensed Consolidated Statements Of Cash Flows Cash flows from operating activities: Adjustments to reconcile net income to net cash provided by operating activities: Deferred income taxes Deferred total Deferred, Total Deferred income taxes Share Based Compensation Stock-based compensation Share-based Compensation, Total Stock-based compensation expense Excess tax benefits from stock-based compensation Excess tax benefits from stock-based compensation Amortization of cash outflows paid to third parties in connection with debt origination, which will occur over the remaining maturity period of the associated long-term debt. Amortization Of Deferred Financing Costs Amortization and write-offs of deferred financing costs and other Amortization of deferred financing costs and other Noncash Project Abandonment Costs NoncashProjectAbandonmentCosts Property charges and other Property charges and other Equity in income of unconsolidated affiliates, net of distributions Equity in income of unconsolidated affiliates, net of distributions Income (Loss) from Equity Method Investments, Net of Dividends or Distributions, Total (Increase) decrease in swap fair value (Increase) decrease in swap fair value Increase (decrease) in cash from changes in: Increase Decrease In Receivables Receivables, net Receivables Increase (Decrease) in Receivables, Total The net change during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities. Also includes the net change during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods and the net change during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods. Increase Decrease In Inventories Prepaid Expenses And Other Current Assets Inventories and prepaid expenses and other Inventories and prepaid expenses and other Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Net cash provided by operating activities Net cash provided by operating activities Cash flows from investing activities: Capital expenditures, net of construction payables and retention Capital expenditures, net of construction payables and retention Capital expenditures Payments to Acquire Property, Plant, and Equipment, Total Payments to Acquire Available-for-sale Securities, Debt Purchase of corporate debt securities Purchase of corporate debt securities Net cash inflow or (outflow) from other deposits and/or other assets not otherwise defined in the taxonomy. Payments For Deposits And Other Assets Deposits and purchase of other assets Deposits and purchase of other assets Proceeds from sale of equipment Proceeds from Sale of Property, Plant, and Equipment, Total Net cash used in investing activities Net cash used in investing activities Cash flows from financing activities: Proceeds from exercise of stock options Exercise of stock options ExcessTaxBenefitFromShareBasedCompensationFinancingActivities Excess tax benefits from stock-based compensation Payments of Dividends Dividends paid Payments of Dividends, Total Dividends Paid Proceeds from Issuance of Long-term Debt Proceeds from issuance of long-term debt Proceeds from Issuance of Long-term Debt, Total Payments for Repurchase of Common Stock Purchase of treasury stock Purchase of treasury stock Principal payments on long-term debt Principal payments on long-term debt Principal payments on long-term debt Repayments of Long-term Debt, Total Quarterly principal payment Payments of Debt Issuance Costs Payment of deferred financing costs Payment of deferred financing costs Net Cash Provided by (Used in) Financing Activities Net cash used in financing activities Effect of exchange rate on cash Effect of Exchange Rate on Cash and Cash Equivalents, Total Cash and cash equivalents: Increase (decrease) in cash and cash equivalents Increase (decrease) in cash and cash equivalents Organization And Basis Of Presentation Organization Consolidation And Presentation Of Financial Statements Disclosure Text Block Organization And Basis Of Presentation Summary Of Significant Accounting Policies SignificantAccountingPoliciesTextBlock Summary Of Significant Accounting Policies Earnings Per Share Text Block Earnings Per Share Comprehensive Income Notes [Abstract] Comprehensive Income Comprehensive Income Comprehensive Income Note TextBlock Comprehensive Income Supplemental Disclosure Of Cash Flow Information Supplemental cash flow disclosures: Cash Flow Supplemental Disclosures TextBlock Supplemental Disclosure Of Cash Flow Information Receivables, Net Loans Notes Trade And Other Receivables Disclosure TextBlock Receivables, Net Property And Equipment, Net Property, Plant and Equipment Disclosure [Text Block] Property And Equipment, Net Investment Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Investment Securities Long-Term Debt LongTerm Debt TextBlock Long-Term Debt Long-Term Debt Interest Rate Swaps Interest rate swaps text block Interest Rate Swaps Text Block Interest Rate Swaps Related Party Transactions Related Party Transactions Disclosure TextBlock Related Party Transactions Property charges and other abstract Property Charges And Other Property Charges and Other [Abstract] The aggregate amount of expenses charged against earnings to eliminate the capitalized costs of projects abandoned during the reporting period and expenses associated with business termination activities. Property Charges And Other Text Block Property Charges And Other Noncontrolling Interest Minority Interest Disclosure TextBlock Noncontrolling Interest Stockholders Equity Stockholders' Equity Note Disclosure [Text Block] Stockholders Equity Stock-Based Compensation Stock-based compensation text block Stock Based Compensation Textblock Stock-Based Compensation Commitments And Contingencies Commitments and Contingencies Disclosure TextBlock Commitments And Contingencies Income Taxes Income Tax Disclosure TextBlock Income Taxes Segment Information Segment Reporting Disclosure TextBlock Segment Information Subsequent Events Schedule Of Subsequent Events Text Block Subsequent Events Cash and Cash Equivalents, Policy [Text Block] Cash and Cash Equivalents Investment, Policy [Policy Text Block] Investment Securities Accounts Receivable And Credit Risk Policy [Text Block] Accounts Receivable And Credit Risk Policy [Text Block] Accounts Receivable and Credit Risk Inventory, Policy [Text Block] Inventories Revenue Recognition And Promotional Allowances Policy [Text Block] Revenue Recognition And Promotional Allowances Policy [Text Block] Revenue Recognition and Promotional Allowances Gaming Taxes Policy [Text Block] Gaming Taxes Policy [Text Block] Gaming taxes Advertising Costs, Policy [Text Block] Advertising Costs Summary Of Estimated Cost Of Promotional Allowance [Text Block] Summary Of Estimated Cost Of Promotional Allowance [Text Block] Summary Of Estimated Cost Of Promotional Allowance Schedule of shares used in calculation of earnings per share text block Schedule Of Shares Used In Calculation Of Earnings Per Share Text Block Schedule Of Shares Used In Calculation Of Earnings Per Share Comprehensive income textblock Comprehensive Income [TextBlock] Comprehensive Income Schedule of Accounts, Notes, Loans and Financing Receivable [Text Block] Summary Of Receivables, Net Receivables, net Property, Plant and Equipment [Text Block] Schedule Of Property And Equipment, Net Property and Equipment, net Held-to-maturity Securities [Table Text Block] Schedule Of Investments Investments Classified by Contractual Maturity Date [Table Text Block] Investments By Contractual Maturity Schedule of Long-term Debt Instruments [Text Block] Summary Of Long-Term Debt Schedule of interest rate swap liabilities text block. Schedule Of Interest Rate Swap Liabilities [TextBlock] Schedule Of Interest Rate Swap Liabilities Property Charges And Other [Table Text Block] Property Charges And Other [Table Text Block] Property Charges And Other Summary Of Total Compensation Cost For WRL And WML Stock Plan Text Block Summary Of Total Compensation Cost For W R L And W M L Stock Plan Text Block Summary Of Total Compensation Summary Of Assets And Capital Expenditures By Segment [Text Block] Summary Of Assets And Capital Expenditures By Segment [Text Block] Summary Of Assets By Segment Summary Of Operations by Segment [Text Block] Summary Of Operations by Segment [Text Block] Summary Of Operations By Segment Sale of Stock, Number of Shares Issued in Transaction Common shares of subsidiary sold Percentage Of Subsidiary's Common Stock Sold Percentage Of Subsidiary's Common Stock Sold Percentage of subsidiary's common stock sold Equity Method Investment, Ownership Percentage Investments in owned joint ventures Cash Equivalents, at Carrying Value Cash Equivalents, at Carrying Value, Total Cash and cash equivalents Percentage of credit markers due from customers residing outside of the United States Percentage Of Credit Markers Due From Customers Residing Outside Of The United States Percentage of credit markers due from customers residing outside of the United States Gaming Taxes Gaming Taxes Gaming taxes Advertising Expense Total advertising costs Schedule of Significant Accounting Policies [Table] Schedule of Significant Accounting Policies [Table] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves [Domain] Rooms [Member] Rooms [Member] Food And Beverage [Member] Food And Beverage [Member] Entertainment Retail And Other [Member] Entertainment, Retail And Other [Member] Estimated costs of promotional allowances included in casino expense. Promotional Allowances Included In Casino Expense Promotional allowances primarily included in casino expenses Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Stock options excluded from calculation of diluted EPS Number of stock options out-of-the-money excluded from the calculation of diluted earnings per share Number Of Stock Options Out Of The Money Excluded From Calculation Of Diluted Earnings Per Share Number of stock options out-of-the-money excluded from the calculation of diluted earnings per share Weighted Average Number Diluted Shares Outstanding Adjustment Potential dilution from the assumed exercise of stock options and nonvested stock Weighted Average Number Diluted Shares Outstanding Adjustment, Total Currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total Comprehensive Income, Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income attributable to Wynn Resorts Total comprehensive income Comprehensive Income, Net of Tax, Attributable to Noncontrolling Interest Less: Comprehensive income attributable to noncontrolling interests Less: Comprehensive income attributable to noncontrolling interests Comprehensive Income, Net of Tax, Attributable to Noncontrolling Interest, Total Comprehensive Income, Net of Tax, Attributable to Parent Total comprehensive income Comprehensive income attributable to Wynn Resorts Comprehensive income attributable to Wynn Resorts Interest Paid, Net Cash paid for interest, net of amounts capitalized Interest Paid, Net, Total Interest paid Cash Paid for Capitalized Interest Interest capitalized Change in Property and Equipment Included in Accounts and Construction Payables Change in Property and Equipment Included in Accounts and Construction Payables Change in construction payables and retention Change in construction payables and retention Schedule of Receivables with Imputed Interest [Table] Casino [Member] Casino [Member] Hotel [Member] Hotel [Member] Retail Leases and Other [Member] Retail Leases And Other [Member] Accounts Receivable, Gross, Noncurrent Gross receivables Accounts Receivable, Gross, Current Gross receivables Allowance for Doubtful Accounts Receivable Less: allowance for doubtful accounts Less: allowance for doubtful accounts Land and improvements, gross Land And Improvements Gross Land and improvements Buildings and improvements Buildings and Improvements, Gross, Total Airplanes, gross Airplanes Gross Airplanes Furniture, fixtures and equipment Leasehold interest in land, gross Leasehold Interest In Land, Gross Leasehold interest in land Construction in progress Property and equipment, gross Property, Plant and Equipment, Gross, Ending Balance Property, Plant and Equipment, Gross, Beginning Balance Property and equipment, gross Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total Schedule of Held-to-maturity Securities [Table] Held-to-maturity Securities, Amortized Cost before Other than Temporary Impairment Held-to-maturity securities, Amortized cost (net carrying amount) Held-to-maturity Securities, Unrecognized Holding Gain Held-to-maturity securities, Gross unrealized gains Held-to-maturity Securities, Unrecognized Holding Loss Held-to-maturity securities, Gross unrealized losses Held-to-maturity securities, Gross unrealized losses Held-to-maturity Securities, Fair Value Held-to-maturity securities, Fair value Held-to-maturity Securities, Debt Maturities, within One Year, Net Carrying Amount Due in one year or less, Amortized Cost Held to maturity securities debt maturities after one through three years net carrying amount Held To Maturity Securities Debt Maturities After One Through Three Years Net Carrying Amount Due after one year through three years, Amortized Cost Held-to-maturity Securities, Debt Maturities, Net Carrying Amount Held-to-maturity debt securities, Amortized Cost Held-to-maturity Securities, Debt Maturities, within One Year, Fair Value Due in one year or less, Fair value Held to maturity securities debt maturities after one through three years fair value Held To Maturity Securities Debt Maturities After One Through Three Years Fair Value Due after one year through three years, Fair value Held-to-maturity Securities, Debt Maturities, Fair Value Held-to-maturity debt securities, Fair value Schedule of Long-term Debt Instruments [Table] Range [Axis] Range [Domain] Maximum [Member] Minimum [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Seven And Seven Over Eight Percentage Wynn Las Vegas First Mortgage Notes, Due November One Two Thousand Seventeen [Member] 7 7/8% Wynn Las Vegas First Mortgage Notes, Due November 1, 2017 [Member] Seven And Seven Over Eight Percentage Wynn Las Vegas First Mortgage Notes, Due May One Two Thousand Twenty [Member] 7 7/8% Wynn Las Vegas First Mortgage Notes, Due May 1, 2020 [Member] Seven And Three Over Four Wynn Las Vegas First Mortgage Notes, Due August Fifteen Two Thousand Twenty [Member] 7 3/4% Wynn Las Vegas First Mortgage Notes, Due August 15, 2020 [Member] Wynn Las Vegas Revolving Credit Facility, Due July Fifteen Two Thousand Thirteen [Member] Wynn Las Vegas Revolving Credit Facility, Due July 15, 2013 [Member] Wynn Las Vegas Revolving Credit Facility, Due July Seventeen Two Thousand Fifteen [Member] Wynn Las Vegas Revolving Credit Facility, Due July 17, 2015 [Member] Wynn Las Vegas Term Loan Facility, Due August Fifteen Two Thousand Thirteen [Member] Wynn Las Vegas Term Loan Facility, Due August 15, 2013 [Member] Wynn Las Vegas Term Loan Facility, Due August Seventeen Two Thousand Fifteen [Member] Wynn Las Vegas Term Loan Facility, Due August 17, 2015 [Member] Wynn Macau Senior Term Loan Facilities (As Amended June Two Thousand Seven), Due June Twenty Seven Two Thousand Fourteen [Member] Wynn Macau Senior Term Loan Facilities, Due June 27, 2014 [Member] Wynn Macau Senior Revolving Credit Facility, Due June Two Thousand Twelve [Member] Wynn Macau Senior Revolving Credit Facility, Due June 2012 [Member] Fourty Two Million Dollar Note Payable, Due April One Two Thousand Seventeen [Member] $42 Million Note Payable, Due April 1, 2017 [Member] Thirty Two Point Five Million Dollar Note Payable, Due August Ten Two Thousand Twelve [Member] $32.5 Million Note Payable, Due August 10, 2012 [Member] Debt Instrument, Interest Rate, Stated Percentage Debt instrument, interest rate Debt instrument interest in addition to LIBOR Debt Instrument Interest In Addition To LIBOR Interest in addition to LIBOR Debt instrument interest in addition to LIBOR or HIBOR Debt Instrument Interest In Addition To LIBOR Or HIBOR Interest in addition to LIBOR or HIBOR Debt Instrument, Maturity Date Long term debt due date Loan maturity date Debt Instrument, Unamortized Discount Original issue discount Debt instrument unamortized discount Long-term Debt Element Long-term debt total Long-term Debt, Total Total Debt Instrument, Stated Amount Debt Instrument, Stated Amount Debt instrument, stated amount Wynn Las Vegas Revolver [Member] Wynn Las Vegas Revolver [Member] Line of Credit Facility, Amount Outstanding Revolving credit facility outstanding Letters of credit outstanding against credit facility. Letters Of Credit Outstanding Against Credit Facility Outstanding credit facility amount Letters of credit outstanding Line of Credit Facility, Remaining Borrowing Capacity Available credit facility Net book value of 2017 notes, 2020 notes and the new 2020 notes. Debt Instrument Net Book Value Debt instrument net book value Debt Instrument, Fair Value Fair value of debt instrument Other debt instruments net book value Other Debt Instruments Net Book Value Other debt instruments, net book value Other debt instruments fair value Other Debt Instruments Fair Value Other debt instruments, fair value Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Currency [Axis] Currency [Axis] Currency [Domain] Currency [Domain] Hongkong Dollar [Member] HK [Member] Derivative Instrument Risk [Axis] Derivative Contract Type [Domain] Interest Rate Swaps [Member] Interest Rate Swaps [Member] Wynn Las Vegas Swap [Member] Wynn Las Vegas Swap [Member] Wynn Macau Swap [Member] Wynn Macau Swap [Member] Wynn Macau Revolver [Member] Wynn Macau Revolver [Member] Interest rate swap fixed interest rate Interest Rate Swap Agreement Interest Rate Swap Agreement Interest rate swap carrying amount Interest rate swap interest rate Derivative, Lower Fixed Interest Rate Range Interest rate swap interest rate, minimum Derivative, Higher Fixed Interest Rate Range Interest rate swap interest rate, maximum Interest rate swap maturity date. Interest Rate Swap Maturity Date Interest rate swap maturity date Interest rate swap liabilities fair value Interest rate swap liabilities, fair value Schedule of Related Party Transactions, by Related Party [Table] Lease Agreement [Axis] Lease Agreement [Axis] Lease Agreement [Domain] Lease Agreement [Domain] E W Lease [Member] EW Lease [Member] S W Lease [Member] SW Lease [Member] Amount due to officers and directors Notice required for lease termination at Villa Suite, days Notice Required For Lease Termination Notice required for lease termination at Villa Suite, days Operating Leases, Rent Expense Rent expenses Operating Leases, Rent Expense, Total Rental value Lease Termination Date Lease Termination Date Lease termination date Extended Lease Termination Date Extended Lease Termination Date Extended lease termination date Surname Rights Agreement, Expiration Date Surname Rights Agreement, Expiration Date Surname rights agreement expiration date Donation Payments Made During Period Donation Payments Made During Period Donation to University of Macau Contribution made to University of Macau Development Foundation Donation Commitments, Yearly Payable Contributions After Two Thousand Twelve Through Two Thousand Twenty Two Donation Commitments, Yearly Payable Contributions After Two Thousand Twelve Through Two Thousand Twenty Two Donation commitments, yearly payable contributions for 2012 through 2022 Total Donations Commitments Total Donations Commitments Total donations Loss On Show Cancellation Loss On Show Cancellation Loss on show cancellation Net Loss On Assets Abandoned, Retired For Remodel Or Sales Net Loss On Assets Abandoned, Retired For Remodel Or Sales Net loss on assets abandoned, retired for remodel or sold Subsidiary common stock issued. Subsidiary Common Stock Issued Subsidiary common stock, shares issued Percentage of issuance of common stock Percentage Of Issuance Of Common Stock Percentage of issuance of common stock Schedule of Stockholders Equity [Table] Schedule of Stockholders Equity [Table] Statement, Equity Components [Axis] Equity Component [Domain] Retained Earnings [Member] Common Stock, Dividends, Per Share, Cash Paid Dividends paid per share Dividends Payable, Date of Record, Day, Month and Year Shareholders record date Dividends, Cash Distribution against retained earnings Dividends, Cash, Total Dividends, Share-based Compensation, Paid-in-kind Distribution recorded as liability for nonvested stock upon Total Compensation Cost Related to Stock Options and Nonvested Stock [Table] Total Compensation Cost Related To Stock Options And Nonvested Stock [Table] General And Administrative [Member] General And Administrative [Member] Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount Total stock-based compensation capitalized Employee Benefits and Share-based Compensation Total stock-based compensation costs Total stock-based compensation costs Stock-based compensation Commitments and Contingencies [Table] Commitments and Contingencies [Table] Long-term Purchase Commitment by Category of Item Purchased [Axis] Long-term Purchase Commitment, Category of Item Purchased [Domain] Pending or Threatened Litigation [Member] Payments for Leases by Third Parties [Axis] Payments for Leases by Third Parties [Axis] Payments for Leases by Third Parties [Domain] Payments for Leases by Third Parties [Domain] Cotai Development [Member] Cotai Development [Member] Cotai Land Agreement [Member] Cotai Land Agreement [Member] Number of room included in full scale integrated resort Number Of Room Included In Full Scale Integrated Resort Number of room included in full scale integrated resort Acquisition costs Payment under land concession contract Payments made to third party to relinquish their development rights Land Concession Rights Application, Number Of Acres Of Land Land Concession Rights Application, Number Of Acres Of Land Concession application of land on Cotai, number of acres of land Loss contingency, estimate of possible loss Income Tax Expense (Benefit), Continuing Operations Income tax benefit (provision) Income tax benefit (provision), total Income Tax Reconciliation, Nondeductible Expense, Share-based Compensation Cost Excess tax deductions associated with stock compensation costs Complementary Tax Rate Complementary Tax Rate Complementary tax rate Amount of complementary tax exemption Amount Of Complementary Tax Exemption Amount of complementary tax exemption Special Gaming Tax On Gross Revenue Special Gaming Tax On Gross Revenue Gaming tax Annual payment in lieu of complementary tax Annual Payment In Lieu Of Complementary Tax Annual payment in lieu of complementary tax Annual Complementary Tax Obligation Annual Complementary Tax Obligation Annual complementary tax to be paid Length Of Additional Complementary Tax Exemption Requested Years Length Of Additional Complementary Tax Exemption Requested Years Length of additional complementary tax exemption requested, years Schedule of Segment Reporting Information, by Segment [Table] Legal Entity [Axis] Entity [Domain] Wynn Las Vegas [Member] Wynn Las Vegas [Member] Wynn Macau [Member] Wynn Macau [Member] Corporate And Other Assets [Member] Corporate and Other Assets [Member] Adjusted Property EBITDA Adjusted Property EBITDA Adjusted Property EBITDA Corporate Expenses And Other Corporate Expenses And Other Corporate expenses and other Other Cost and Expense, Operating Total other operating costs and expenses Total other operating costs and expenses Subsequent Event Type [Axis] Subsequent Event Type [Domain] Dividend Declared [Member] Dividends Payable, Amount Per Share Declared cash dividend Investment Type [Axis] Investment Type Categorization [Domain] Domestic And Foreign Corporate Bonds [Member] Commercial Paper [Member]