Stock repurchase program, authorized amount Stock Repurchase Program, Authorized Amount Supplemental cash flow disclosures: Supplemental Cash Flow Information [Abstract] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Net loss attributable to Wynn Resorts, Limited Net loss attributable to Wynn Resorts, Limited Net Income (Loss) Attributable to Parent Entity Emerging Growth Company Entity Emerging Growth Company Operating lease assets Operating Lease, Right-of-Use Asset Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Accrued compensation and benefits Employee-related Liabilities, Current Change in outstanding chips and front money deposits Increase Decrease in outstanding chips and front money deposits Increase Decrease in outstanding chips and front money deposits Statistical Measurement [Domain] Statistical Measurement [Domain] Less: accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Goodwill and Intangible Assets, net Goodwill Disclosure [Text Block] Entity Address, Address Line One Entity Address, Address Line One Other Other Intangible Assets [Member] Interest rate collar Derivative Liability Change in loyalty program liabilities Change in loyalty program liabilities Change in loyalty program liabilities Entity Filer Category Entity Filer Category Payment for dividend tax agreement Payments For Dividend Tax Agreement Payments For Dividend Tax Agreement WML 5 1/2% Senior Notes, due 2027 Five And One Over Two Percentage Wynn Macau Limited Senior Notes Due October One Two Thousand Twenty Seven [Member] Five And One Over Two Percentage Wynn Macau Limited Senior Notes Due October One Two Thousand Twenty Seven [Member] Other assets Other Assets, Noncurrent Segments [Axis] Segments [Axis] Decrease in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Total rental income Operating Lease, Lease Income Schedule of Minimum and Contingent Operating Lease Income Operating Lease, Lease Income [Table Text Block] Stock-based compensation APIC, Share-based Payment Arrangement, Increase for Cost Recognition Rooms Occupancy [Member] Other Retail Leases And Other [Member] Retail Leases And Other [Member] Document Fiscal Year Focus Document Fiscal Year Focus Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Remaining authorized repurchase amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Antidilutive securities excluded from computation of earnings per share (shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Organization and Basis of Presentation [Line Items] Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] Sale of Stock [Axis] Sale of Stock [Axis] Business Acquisition [Axis] Business Acquisition [Axis] Schedule of Intangible Assets [Table] Schedule Of Intangible Assets [Table] Schedule Of Intangible Assets [Table] Legal Entity Type of Counterparty [Domain] Legal Entity Type of Counterparty [Domain] Title of Individual [Domain] Title of Individual [Domain] Schedule of Indefinite-Lived Intangible Assets Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Subsidiary equity issuance Additional Paid In Capital, Subsidiary Stock Issued During Period, Value, New Issues Additional Paid In Capital, Subsidiary Stock Issued During Period, Value, New Issues Share Repurchase Program [Domain] Share Repurchase Program [Domain] ASSETS Assets [Abstract] Related Party Transactions [Abstract] Finance lease liabilities arising from obtaining finance lease assets Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Percentage of markers due from customers Concentration Risk, Percentage Preferred stock, par value $0.01; 40,000,000 shares authorized; zero shares issued and outstanding Preferred Stock, Value, Issued Distribution to noncontrolling interest Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Legal Entity of Counterparty, Type [Axis] Legal Entity of Counterparty, Type [Axis] Entity Address, City or Town Entity Address, City or Town Accumulated deficit Retained Earnings [Member] Other comprehensive income (loss): Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax [Abstract] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Fair Value Disclosure Debt Instrument, Fair Value Disclosure Percentage of ownership Noncontrolling Interest, Ownership Percentage by Parent Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Schedule of Intangible Assets [Line Items] Schedule Of Intangible Assets [Line Items] Schedule Of Intangible Assets [Line Items] Related Party [Axis] Related Party [Axis] WRF 7 3/4% Senior Notes, due 2025 Five and One Over Eight Percentage Senior Notes, Due 2029 [Member] Five and One Over Eight Percentage Senior Notes, Due 2029 Sale leaseback transaction, gross proceeds Sale Leaseback Transaction, Gross Proceeds Sale Leaseback Transaction, Gross Proceeds Proceeds from issuance of subsidiary common stock Proceeds From Issuance Of Subsidiary Common Stock Proceeds From Issuance Of Subsidiary Common Stock Senior Secured Term Loan Secured Debt [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Total stock-based compensation capitalized Share-based Payment Arrangement, Amount Capitalized Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Weighted average interest rate (percent) Debt, Weighted Average Interest Rate Total comprehensive loss Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Finance lease payments Finance Lease, Principal Payments Entity Interactive Data Current Entity Interactive Data Current Available borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Basic (in usd per share) Net income (loss) attributable to Wynn Resorts, Limited per common share, basic (in usd per share) Earnings Per Share, Basic Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Document Type Document Type Wynn Resorts Ltd. Wynn Resorts Ltd. [Member] Wynn Resorts Ltd. Geographic Concentration Risk Geographic Concentration Risk [Member] Change in derivatives fair value Unrealized Gain (Loss) on Derivatives Entity Current Reporting Status Entity Current Reporting Status Restricted cash Restricted Cash and Cash Equivalents Recoveries of receivables previously written off Accounts Receivable, Allowance for Credit Loss, Recovery Accounts receivable, net of allowance for credit losses of $81,208 and $111,319 Receivables, net Receivables, Net, Current Provision for credit losses Provision for credit losses Accounts Receivable, Credit Loss Expense (Reversal) Goodwill: Goodwill [Roll Forward] Long-term debt, gross Long-term Debt, Gross Assets: Assets, Fair Value Disclosure [Abstract] Long-term debt total Long-term debt Long-term Debt Quoted Market Prices in Active Markets (Level 1) Fair Value, Inputs, Level 1 [Member] Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Impairment Impairment Goodwill, Impairment Loss Wynn Macau Wynn Macau Wynn Macau [Member] Wynn Macau [Member] Other liabilities related to intangible assets Intangible Assets, Other Liabilities Incurred Intangible Assets, Other Liabilities Incurred Document Transition Report Document Transition Report Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Casino Casino [Member] Base Rate Base Rate [Member] WML 5 5/8% Senior Notes, due 2028 Five and One Over Eight Percentage Wynn Macau Limited Senior Notes Due Two Thousand Twenty Nine [Member] Five and One Over Eight Percentage Wynn Macau Limited Senior Notes Due Two Thousand Twenty Nine Total liabilities and stockholders' deficit Liabilities and Equity Proceeds from real estate joint ventures Proceeds from Real Estate and Real Estate Joint Ventures Other accrued liabilities Other Accrued Liabilities, Current Airplanes Flight Equipment, Gross April 2016 Repurchase Program April 2016 Repurchase Program [Member] April 2016 Repurchase Program Customer deposits Contract with Customer, Liability, Current Scenario [Axis] Scenario [Axis] Hotel Hotel [Member] Restricted cash Restricted Cash Additional paid-in capital Additional Paid in Capital Cash equivalents Cash Equivalents, at Carrying Value LIABILITIES AND STOCKHOLDERS' DEFICIT Liabilities and Equity [Abstract] Variable rate, floor Debt Instrument, Basis Spread on Variable Rate, Floor Debt Instrument, Basis Spread on Variable Rate, Floor Earnings Per Share Earnings Per Share [Text Block] Shares repurchased by the Company and held as treasury shares Shares repurchased by the Company and held as treasury shares Treasury Stock, Value, Acquired, Cost Method Treasury stock acquired (usd per share) Treasury Stock Acquired, Average Cost Per Share Organization Consolidation And Presentation Of Financial Statements Disclosure [Table] Organization Consolidation And Presentation Of Financial Statements Disclosure [Table] Organization, Consolidation and Presentation of Financial Statements Disclosure [Table] Minimum Minimum [Member] Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Summary of Assets by Segment Reconciliation of Assets from Segment to Consolidated [Table Text Block] Wynn/CA Plaza Property Owner, LLC And Wynn/CA Property Owner, LLC (The Borrowers) Wynn/CA Plaza Property Owner, LLC And Wynn/CA Property Owner, LLC [Member] Wynn/CA Plaza Property Owner, LLC And Wynn/CA Property Owner, LLC [Member] Affiliated Entity Affiliated Entity [Member] Effect of exchange rate on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Less: comprehensive loss attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest General and administrative Selling, General and Administrative Expense Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Preferred stock, shares authorized Preferred Stock, Shares Authorized Proceeds from sale of assets and other Proceeds from Sale of Productive Assets Cash, Cash Equivalents and Restricted Cash Cash and Cash Equivalents Disclosure [Text Block] Trading Symbol Trading Symbol Wynn Palace and Wynn Macau Wynn Palace and Wynn Macau [Member] Wynn Palace and Wynn Macau [Member] Current liabilities: Liabilities, Current [Abstract] Issuance of common stock, net of $17.7 million underwriter discounts, commissions and other expenses Stock Issued During Period, Value, New Issues Cash, cash equivalents and restricted cash: Cash and Cash Equivalents, Period Increase (Decrease) [Abstract] Total Macau Operations Macau Operations [Member] Macau Operations Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Sale leaseback transaction, minimum annual rental payments Sale Leaseback Transaction, Minimum Annual Rental Payments Sale Leaseback Transaction, Minimum Annual Rental Payments Stock-Based Compensation Share-based Payment Arrangement [Text Block] Numerator: Net Income (Loss) Available Common Stockholders, Basic And Diluted [Abstract] Net Income (Loss) Available Common Stockholders, Basic And Diluted [Abstract] Senior Notes Senior Notes [Member] Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Receivables, net Loans, Notes, Trade and Other Receivables, Excluding Allowance for Credit Losses [Text Block] Accounting Policies [Abstract] Accounting Policies [Abstract] Change in advanced room deposits and ticket sales Change in advanced room deposits and ticket sales Change in advanced room deposits and ticket sales Underwriter discounts, commissions, and other expenses Payments of Stock Issuance Costs Issuance of common stock, net of $17.7 million underwriter discounts, commissions and other expenses (in shares) Stock Issued During Period, Shares, New Issues Other Macau Other Macau [Member] Other Macau [Member] Expected amortization, year 2034 Finite-Lived Intangible Asset, Expected Amortization, Year Twelve Finite-Lived Intangible Asset, Expected Amortization, Year Twelve Outstanding letters of credit Letters of Credit Outstanding, Amount Common stock, par value $0.01; 400,000,000 shares authorized; 132,127,292 and 131,449,806 shares issued; 113,373,330 and 115,714,943 shares outstanding, respectively Common Stock, Value, Issued Other income (expense), net Total other non-operating income and expenses Nonoperating Income (Expense) Expected amortization, years 2023 through 2033 Finite-Lived Intangible Asset, Expected Amortization, Years One Through Eleven Finite-Lived Intangible Asset, Expected Amortization, Years One Through Eleven Commitments and contingencies (Note 16) Commitments and Contingencies Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Accounts receivable, allowance for credit losses Less: allowance for credit losses Accounts Receivable, Allowance for Credit Loss, Current Term Loan Medium-term Notes [Member] Ms. Chen President [Member] HIBOR HIBOR [Member] HIBOR [Member] Payments for financing costs Payments of Debt Issuance Costs Receivables [Abstract] Receivables [Abstract] Contribution from noncontrolling interest Noncontrolling Interest, Increase from Subsidiary Equity Issuance Ownership [Axis] Ownership [Axis] Document Period End Date Document Period End Date Total operating expenses Costs and Expenses Entity Registrant Name Entity Registrant Name Treasury stock, shares Treasury Stock, Shares WRF Credit Facilities WRF Senior Secured Credit Facilities [Member] WRF Senior Secured Credit Facilities [Member] Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Proceeds Sale of Stock, Consideration Received on Transaction Retail Retail [Member] Cash Cash Prepaid expenses and other Prepaid Expense and Other Assets, Current Betbull Transaction Betbull Transaction [Member] Betbull Transaction Dividends paid Payments of Dividends Change in total customer contract liabilities Change in total customer contract liabilities Change in total customer contract liabilities Consolidation Items [Domain] Consolidation Items [Domain] Fair Value, Hierarchy Fair Value Hierarchy and NAV [Axis] Equity [Abstract] Equity [Abstract] Common stock Common Stock [Member] Interest income Investment Income, Interest Variable Rate [Axis] Variable Rate [Axis] Segment Information Segment Reporting Disclosure [Text Block] Operating loss Operating Income (Loss) Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Stock-based compensation Share-based Payment Arrangement, Noncash Expense Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Variable Rate [Domain] Variable Rate [Domain] Additional paid-in capital Additional Paid-in Capital [Member] Cash and cash equivalents Total cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Depreciation expense Depreciation Fair value of transaction Related Party Transaction, Amounts of Transaction Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents [Abstract] Treasury stock Treasury Stock [Member] Change in derivatives fair value Gain (Loss) on Derivative Instruments, Net, Pretax Other Other Nonoperating Income (Expense) Rooms Rooms [Member] Rooms [Member] Covenant compliance, period Debt Instrument, Covenant Compliance, Period Debt Instrument, Covenant Compliance, Period Liability settled with shares of common stock Stock Issued Capital expenditures, net of construction payables and retention Payments to Acquire Property, Plant, and Equipment WLV 5 1/4% Senior Notes, due 2027 Five and One Over Four Percentage Senior Notes, Due May 15, 2027 [Member] Five and One Over Four Percentage Senior Notes, Due May 15, 2027 Maximum Maximum [Member] Casino outstanding chips and front money deposits Casino outstanding chips and front money deposits Casino outstanding chips and front money deposits Gaming concession, minimum capital requirement Gaming Concession, Minimum Capital Requirement Gaming Concession, Minimum Capital Requirement Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Share-based Payment Arrangement [Abstract] Total liabilities Liabilities Liabilities Legal Entity [Axis] Legal Entity [Axis] Receivables, net Increase (Decrease) in Receivables Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Total stock-based compensation costs Share-based Payment Arrangement, Expensed and Capitalized, Amount Consolidation Items [Axis] Consolidation Items [Axis] Total Wynn Resorts, Limited stockholders' deficit Stockholders' Equity Attributable to Parent Leases Lessor, Operating Leases [Text Block] Common stock, shares issued Common Stock, Shares, Issued Preferred stock, shares issued Preferred Stock, Shares Issued Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities HIBOR or LIBOR HIBOR or LIBOR [Member] HIBOR or LIBOR WM Cayman II Revolver, due 2025 WM Cayman II Revolver, due 2025 [Member] WM Cayman II Revolver, due 2025 Goodwill and Intangible Assets Disclosure [Abstract] Gaming taxes payable Gaming Taxes Payable Current 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 operation, subject to applicable jurisdictional adjustments. Loyalty program liabilities Loyalty programs Loyalty programs Loss on extinguishment of debt Loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Effect of exchange rate Accounts Receivable, Allowance For Credit Loss, Effect Of Exchange Rate Accounts Receivable, Allowance For Credit Loss, Effect Of Exchange Rate Repurchase of common stock Payments for Repurchase of Common Stock Food and beverage Food and beverage Food and Beverage [Member] Senior Revolving Credit Facility, Due 2024 Senior Revolving Credit Facility, Due 2024 [Member] Senior Revolving Credit Facility, Due 2024 [Member] Restricted cash, bank guarantee Restricted Cash, Bank Guarantee Restricted Cash, Bank Guarantee Long-term operating lease liabilities Operating Lease, Liability, Noncurrent Fair Value, Measurement Frequency [Domain] Measurement Frequency [Domain] Interest expense, net of amounts capitalized Interest Expense Wynn Interactive Wynn Interactive Ltd. [Member] Wynn Interactive Ltd. City Area Code City Area Code Payments for gaming concession extension Payments for Use of Intangible Assets Payments for Use of Intangible Assets Accumulated deficit Retained Earnings (Accumulated Deficit) Operating Segments Operating Segments [Member] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Contingent rental income Operating Lease, Variable Lease Income WRF Term Loan, due 2024 Senior Term Loan Facility, Due 2024 [Member] Senior Term Loan Facility, Due 2024 [Member] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Schedule of Restricted Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Income Statement [Abstract] Income Statement [Abstract] Amendment Flag Amendment Flag WML 4 7/8% Senior Notes, due 2024 Four and Seven Over Eight Percentage Wynn Macau Limited Senior Notes Due October One Two Thousand Twenty Four [Member] Four and Seven Over Eight Percentage Wynn Macau Limited Senior Notes Due October One Two Thousand Twenty Four [Member] Indefinite-lived intangible assets Indefinite-lived Intangible Assets (Excluding Goodwill) Related Party Transaction [Axis] Related Party Transaction [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Provision for income taxes Income tax expense (benefit) Income Tax Expense (Benefit) Total stockholders' deficit Beginning balance Ending balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Proceeds from issuance of long-term debt Proceeds from Issuance of Long-term Debt Equity Components [Axis] Equity Components [Axis] WRF 5 1/8% Senior Notes, due 2029 Seven And Three Over Four Percentage WRF Senior Notes Due 2025 [Member] Seven And Three Over Four Percentage WRF Senior Notes Due 2025 WML 5 1/8% Senior Notes, due 2029 Five and Five Over Eight Percentage Wynn Macau Limited Senior Notes Due Two Thousand Twenty Eight [Member] Five and Five Over Eight Percentage Wynn Macau Limited Senior Notes Due Two Thousand Twenty Eight Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Total current assets Assets, Current Sale of Stock [Domain] Sale of Stock [Domain] Receivables Accounts Receivable [Member] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Inventories Inventory, Net Minimum rental income Operating Lease, Lease Income, Lease Payments Inventories, prepaid expenses and other Increase Decrease In Inventories Prepaid Expenses And Other Current Assets 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, 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 other operating assets not otherwise defined in the taxonomy. Entity File Number Entity File Number Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Corporate expenses and other Corporate Expenses And Other Corporate Expenses And Other Current portion of long-term debt Less: Current portion of long-term debt Long-term Debt, Current Maturities Product and Service [Axis] Product and Service [Axis] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Allowance for Doubtful Accounts Receivable [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Entity Small Business Entity Small Business Preferred stock, par value (usd per share) Preferred Stock, Par or Stated Value Per Share Adjusted Property EBITDA Adjusted Property Ebitda Earnings Before Interest, Taxes, Depreciation, Amortization, Pre-opening Costs, Property Charges And Other, Corporate Expenses, Stock-Based Compensation, And Other Non-Operating Income And Expenses And Includes Equity In Income From Unconsolidated Affiliates Equity Component [Domain] Equity Component [Domain] General and administrative General And Administrative [Member] General And Administrative [Member] Water Rights and Other Water Rights and Other [Member] Water Rights and Other Public Stock Offering Public Stock Offering [Member] Public Stock Offering [Member] Foreign currency translation adjustments, before and after tax Currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax WM Cayman Holdings Limited II WM Cayman Holdings Limited II [Member] WM Cayman Holdings Limited II Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Statement [Line Items] Statement [Line Items] Cancellation of restricted stock (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Customer deposits Increase (Decrease) in Contract with Customer, Liability Impairment of intangible assets Impairment of Intangible Assets, Finite-lived Restricted cash Restricted Cash, Noncurrent Macau MACAO Revenue Recognition [Abstract] Revenue Recognition [Abstract] Issuance of restricted stock Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Counterparty Name [Domain] Counterparty Name [Domain] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Other operating expenses Other Operating Costs And Expenses [Abstract] Other Operating Costs and Expenses [Abstract] Entity Address, State or Province Entity Address, State or Province Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Subsidiary, Sale of Stock [Line Items] Subsidiary, Sale of Stock [Line Items] Corporate, Non-Segment Corporate, Non-Segment [Member] Entity [Domain] Entity [Domain] Segment Reporting [Abstract] Segment Reporting [Abstract] Useful life Finite-Lived Intangible Asset, Useful Life Encore Boston Harbor Encore Boston Harbor [Member] Encore Boston Harbor [Member] Schedule of Shares used in Calculation of Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Entity Shell Company Entity Shell Company Local Phone Number Local Phone Number Forecast Forecast [Member] Share Based Compensation Allocated Costs Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Proceeds from issuance of Wynn Resorts, Limited common stock Proceeds from Issuance of Common Stock Total assets Assets Assets Common stock, shares authorized Common Stock, Shares Authorized Cash paid for interest, net of amounts capitalized Interest Paid, Excluding Capitalized Interest, Operating Activities Geographical [Domain] Geographical [Domain] Title of Individual [Axis] Title of Individual [Axis] Noncontrolling interests Noncontrolling Interest [Member] Product and Service [Domain] Product and Service [Domain] Customer Contract Liabilties Revenue Recognition [Text Block] Revenue Recognition [Text Block] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Schedule of Receivables, net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Less: net loss attributable to noncontrolling interests Net loss attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Senior Secured Revolving Credit Facility Revolving Credit Facility [Member] Basis of Presentation and Significant Accounting Policies Significant Accounting Policies [Text Block] Measurement Frequency Measurement Frequency [Axis] Allowance for credit losses, percent of gross casino receivables Accounts Receivable, Allowance For Credit Loss, Percent Of Gross Casino Receivables Accounts Receivable, Allowance For Credit Loss, Percent Of Gross Casino Receivables Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Entity Tax Identification Number Entity Tax Identification Number WLV 4 1/4% Senior Notes, due 2023 Four And One Over Four Percentage Wynn Las Vegas Senior Notes Due May Thirty Two Thousand Twenty Three [Member] Four And One Over Four Percentage Wynn Las Vegas Senior Notes Due May Thirty Two Thousand Twenty Three [Member] Geographical [Axis] Geographical [Axis] Wynn Palace Wynn Palace [Member] Wynn Palace [Member] Corporate and other Corporate and Other [Member] Basic (in shares) Weighted average common shares outstanding (shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in usd per share) Net income attributable to Wynn Resorts, Ltd. per common share, diluted (in usd per share) Earnings Per Share, Diluted Segments [Domain] Segments [Domain] Price per share (usd per share) Sale of Stock, Price Per Share Potential dilutive effect of stock options and restricted stock (shares) Weighted Average Number Diluted Shares Outstanding Adjustment Comprehensive loss attributable to Wynn Resorts, Limited Comprehensive Income (Loss), Net of Tax, Attributable to Parent Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Treasury stock, at cost; 18,753,871 and 15,734,863 shares, respectively Treasury Stock, Value Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] WLV 5 1/2% Senior Notes, due 2025 Five and One Half Percent Senior Notes Due March One Twenty Twenty Five [Member] Five and One Half Percent Senior Notes Due March One Twenty Twenty Five [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Total other operating expenses Other Cost and Expense, Operating Cancellation of restricted stock Stock Issued During Period, Value, Restricted Stock Award, Forfeitures Fair Value Measurements Fair Value Disclosures [Text Block] Accounts and construction payables Accounts Payable, Current Concentration Risk Type [Axis] Concentration Risk Type [Axis] Total Wynn Resorts, Ltd. stockholders' equity (deficit) Parent [Member] Property charges and other Project Abandonment Costs 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. Schedule of Assets and Liabilities Carried at Fair Value Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Gaming concessions, extension term Gaming Concessions, Extension Term Gaming Concessions, Extension Term Accumulated other comprehensive income AOCI Attributable to Parent [Member] Expected amortization, remainder of 2022 Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Common stock, shares outstanding Common Stock, Shares, Outstanding Gaming tax expenses Gaming Tax Expenses Gaming tax expense. Cost of goods and services sold Cost of Goods and Services Sold Operating revenues: Revenues [Abstract] Retail Joint Venture Retail Joint Venture Retail Joint Venture [Member] Retail Joint Venture [Member] Issuance of restricted stock (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Purchase of intangible and other assets Payments to Acquire Intangible Assets Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Proceeds, net Sale of Stock, Consideration Received on Transaction, Net, Amortization Of Discount And Premium Sale of Stock, Consideration Received on Transaction, Net, Amortization Of Discount And Premium Schedule of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Stockholders' deficit: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Furniture, fixtures and equipment Furniture and Fixtures, Gross Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Property and Equipment, net Property, Plant and Equipment Disclosure [Text Block] Other long-term liabilities Other Liabilities, Noncurrent WML Wynn Macau, Limited [Member] Wynn Macau, Limited [Member] Summary of Long-Term Debt Schedule of Long-term Debt Instruments [Table Text Block] Shares repurchased by the Company and held as treasury shares (in shares) Treasury stock, acquired (shares) Treasury Stock, Shares, Acquired Schedule of Share-based Compensation, Allocation of Recognized Period Costs [Table] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Debt Instrument [Line Items] Debt Instrument [Line Items] Repayments of long-term debt Repayments of Long-term Debt Net loss attributable to Wynn Resorts, Limited: Earnings Per Share [Abstract] Wynn Las Vegas Las Vegas Operations Wynn Las Vegas [Member] Wynn Las Vegas [Member] Interest rate collar Derivative Asset Property and equipment, gross Property, Plant and Equipment, Gross Balance at beginning of year Balance at end of period Accounts Receivable, Allowance for Credit Loss Property charges and other Property Charges and Other The expense charged against earnings to eliminate the capitalized cost of projects that have been terminated during the reporting period and other operating expenses, which are added back to net income when calculating cash provided by (used in) operations using the indirect method. Related Party Transaction [Domain] Related Party Transaction [Domain] Sale leaseback transaction, term Sale Leaseback Transaction, Term Sale Leaseback Transaction, Term Document Quarterly Report Document Quarterly Report Accounts and construction payables related to property and equipment Accounts Payable, Current, Amount Related to Property Plant and Equipment Accounts Payable, Current, Amount Related to Property Plant and Equipment Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entertainment, retail and other Entertainment Retail And Other [Member] Entertainment Retail And Other [Member] Operating expenses: Costs and Expenses [Abstract] Long-term debt Total long-term debt, net of current portion Long-term Debt, Excluding Current Maturities Gaming concession extension, demand bank guarantee Gaming Concession Extension, Demand Bank Guarantee Gaming Concession Extension, Demand Bank Guarantee Liabilities: Liabilities, Fair Value Disclosure [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Stock-based compensation expense Share-based Payment Arrangement, Expense Schedule of Variable Interest Entities [Line Items] Schedule of Equity Method Investments [Line Items] Goodwill and intangible assets, net Goodwill and intangible assets, net Intangible Assets, Net (Including Goodwill) Basic and diluted net loss per common share: Earnings Per Share, Basic and Diluted [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Crown Acquisitions Inc. Crown Acquisitions Inc. [Member] Crown Acquisitions Inc. Net loss Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Receivables, gross Accounts Receivable, before Allowance for Credit Loss, Current Share capital held by managing director, percentage Share Capital Held By Managing Director, Percentage Share Capital Held By Managing Director, Percentage Amortization of debt issuance costs Amortization of Debt Issuance Costs Restricted cash Restricted Cash, Current Counterparty Name [Axis] Counterparty Name [Axis] WRF Wynn Resorts Finance, LLC [Member] Wynn Resorts Finance, LLC [Member] Pre-opening Pre-Opening Costs Balance, beginning of period Balance, end of period Total cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Schedule of Customer Contract Liabilities Schedule of Customer Contract Liabilities [Table Text Block] [Table Text Block] for Schedule of Customer Contract Liabilities [Table] Newly issued shares of common stock in registered public offering (shares) Sale of Stock, Number of Shares Issued in Transaction Common stock, par value (usd per share) Common Stock, Par or Stated Value Per Share Retail Joint Venture Variable Interest Entity Disclosure [Text Block] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Current assets: Assets, Current [Abstract] Finite-lived intangible assets, gross Finite-Lived Intangible Assets, Gross Leases [Abstract] Leases [Abstract] Entity Central Index Key Entity Central Index Key Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] LIBOR London Interbank Offered Rate (LIBOR) [Member] Security Exchange Name Security Exchange Name Diluted (in shares) Weighted average common and common equivalent shares outstanding (shares) Weighted Average Number of Shares Outstanding, Diluted Fair Value, Measurements, Recurring Fair Value, Recurring [Member] Total customer contract liabilities Total Customer Contract Liabilities Total Customer Contract Liabilities Income Taxes Income Tax Disclosure [Text Block] Accrued interest Interest Payable, Current Related Party [Domain] Related Party [Domain] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Current Fiscal Year End Date Current Fiscal Year End Date Interest in addition to variable rate Debt Instrument, Basis Spread on Variable Rate Write-offs Accounts Receivable, Allowance for Credit Loss, Writeoff Stockholders' Equity (Deficit) Stockholders' Equity Note Disclosure [Text Block] Land and improvements Land and Land Improvements Loss on extinguishment of debt Losses On Extinguishment Of Debt Amount represents (1) the difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity and/or (2) the write-off of amounts capitalized as deferred financing costs associated with the extinguishment prior to maturity. Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Other income (expense): Other non-operating income and expenses Nonoperating Income (Expense) [Abstract] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Summary of Operations by Segment Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Increase (decrease) in cash from changes in: Increase (Decrease) in Operating Capital [Abstract] Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Proceeds from sale of additional interest in joint venture Proceeds From Divestiture Of Interest In Joint Venture, Financing Activities Proceeds From Divestiture Of Interest In Joint Venture, Financing Activities Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Interest rate during period Debt Instrument, Interest Rate During Period Principles of Consolidation Consolidation, Policy [Policy Text Block] Wynn Macau Limited Senior Notes Wynn Macau Limited Senior Notes [Member] Wynn Macau Limited Senior Notes Total current liabilities Liabilities, Current Number of gaming concessions Number Of Gaming Concessions Number Of Gaming Concessions Foreign currency translation Goodwill, Foreign Currency Translation Gain (Loss) Total operating revenues Total operating revenues Revenue from Contract with Customer, Including Assessed Tax Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Outside the United States, primarily Asia Asia [Member] Ownership [Domain] Ownership [Domain] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Less: Unamortized debt issuance costs and original issue discounts and premium, net Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Gaming Taxes Gaming Taxes Policy [Policy Text Block] Gaming Taxes Policy Change in other gaming related liabilities Change in other gaming related liabilities Change in other gaming related liabilities Gaming concessions, term Gaming Concessions, Term Gaming Concessions, Term Buildings and improvements Buildings and Improvements, Gross Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Title of 12(b) Security Title of 12(b) Security Statement [Table] Statement [Table] Denominator: Weighted Average Number Of Shares Outstanding, Basic And Diluted [Abstract] Weighted Average Number Of Shares Outstanding, Basic And Diluted [Abstract] Recently Issued and Adopted Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Advanced room deposits and ticket sales Advanced room deposits and ticket sales Advanced room deposits and ticket sales Statistical Measurement [Axis] Statistical Measurement [Axis] Cover page. Cover [Abstract] Balance at beginning of year Balance at end of period Goodwill Finite-lived intangible assets, net Finite-Lived Intangible Assets, Net Distribution to noncontrolling interest Distribution to noncontrolling interest Payments of Distributions to Affiliates Macau Gaming Concession Macau Gaming Concession [Member] Macau Gaming Concession Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Construction in progress Construction in Progress, Gross Scenario [Domain] Scenario [Domain] Schedule of Goodwill Schedule of Goodwill [Table Text Block] Adjustments to reconcile net loss to net cash used in operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Massachusetts Gaming License Massachusetts Gaming License [Member] Massachusetts Gaming License WML 5 1/2% Senior Notes, due 2026 Five And One Over Two Percentage Wynn Macau Limited Senior Notes Due Two Thousand Twenty Six [Member] Five And One Over Two Percentage Wynn Macau Limited Senior Notes Due Two Thousand Twenty Six Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Related Party Transactions Related Party Transactions Disclosure [Text Block] WLV Wynn Las Vegas, LLC and Wynn Las Vegas Capital Corp [Member] Wynn Las Vegas, LLC and Wynn Las Vegas Capital Corp Other gaming related liabilities Other gaming related liabilities Other gaming related liabilities Long-Term Debt Long-term Debt [Text Block] Deferred income taxes Deferred Income Tax Expense (Benefit) Retail Term Loan, due 2025 Retail Term Loan Agreement [Member] Retail Term Loan Agreement [Member]