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program liabilities Acquisitions Goodwill recognized in connection with acquisition Goodwill, Acquired During Period Treasury stock, shares Treasury Stock, Shares Payment for dividend tax agreement Payments For Dividend Tax Agreement Payments For Dividend Tax Agreement Complementary tax rate Complementary Tax Rate Complementary Tax Rate 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] Recently Issued and Adopted Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Cost of goods and services sold Cost of Goods and Services Sold Security Exchange Name Security Exchange Name Proceeds from issuance of common stock Proceeds from Issuance of Common Stock Diluted (in shares) Weighted average common and common equivalent shares outstanding (shares) 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other comprehensive loss AOCI Attributable to Parent [Member] Interest in addition to variable rate Debt Instrument, Basis Spread on Variable Rate Total assets Assets Assets Entity Address, State or Province Entity Address, State or Province Subsidiaries Subsidiaries [Member] Cash equivalents Cash Equivalents, at Carrying Value 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] Variable Rate [Domain] Variable Rate [Domain] Repayments of long-term debt Repayments of Long-term Debt Scenario [Domain] Scenario [Domain] Shares repurchased by the Company and held as treasury shares (in shares) Treasury Stock, Shares, Acquired Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Share-based Payment Arrangement [Abstract] General and Administrative Expense General and Administrative Expense [Member] Current liabilities: Liabilities, Current [Abstract] Repayment on credit facility Repayments of Long-term Lines of Credit Retail Retail [Member] Segment Information Segment Reporting Disclosure [Text Block] Equity [Abstract] Equity [Abstract] Total stock-based compensation capitalized Share-based Payment Arrangement, Amount Capitalized Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Available borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Commitments and contingencies (Note 15) Commitments and Contingencies Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Balance, beginning of period Balance, end of period Total cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Loss on extinguishment of debt Loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Debt Instrument [Line Items] Debt Instrument [Line Items] Consolidation Items [Domain] Consolidation Items [Domain] Finance lease liabilities arising from obtaining finance lease assets Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Total other operating expenses Other Cost and Expense, Operating Land and improvements Land and Land Improvements Price per share (usd per share) Sale of Stock, Price Per Share 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 Basic and diluted net loss per common share: Earnings Per Share, Basic and Diluted [Abstract] Restricted cash Restricted Cash, Current Treasury stock Treasury Stock [Member] Wynn Macau Credit Facilities [Member] Wynn Macau Credit Facilities [Member] Wynn Macau Credit Facilities Goodwill and intangible assets, net Intangible Assets, Net (Including Goodwill) Segments [Axis] Segments [Axis] Casino Casino [Member] Treasury stock, at cost; 15,632,694 and 15,594,500 shares, respectively Treasury Stock, Value Goodwill [Roll Forward] Goodwill [Roll Forward] Product and Service [Domain] Product and Service [Domain] Senior Secured Term Loan Secured Debt [Member] Change in derivatives fair value Unrealized Gain (Loss) on Derivatives Operating loss Operating Income (Loss) Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Entity Small Business Entity Small Business Balance at beginning of period Balance at end of period Goodwill Income Taxes [Line Items] Income Taxes [Line Items] Income Taxes [Line Items] Segments [Domain] Segments [Domain] Fair Value, Measurement Frequency [Domain] Measurement Frequency [Domain] Statement [Line Items] Statement [Line Items] Airplanes Flight Equipment, Gross Goodwill and Intangible Assets Disclosure [Abstract] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] 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 Dividends declared per common share (usd per share) Common Stock, Dividends, Per Share, Declared Amendment Flag Amendment Flag Comprehensive loss attributable to Wynn Resorts, Limited Comprehensive Income (Loss), Net of Tax, Attributable to Parent Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Dividends and Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Total stock-based compensation costs Share-based Payment Arrangement, Expensed and Capitalized, Amount Increase (decrease) in cash from changes in: Increase (Decrease) in Operating Capital [Abstract] Common stock, shares outstanding Common Stock, Shares, Outstanding Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Consolidation Items [Axis] Consolidation Items [Axis] Quoted Market Prices in Active Markets (Level 1) Fair Value, Inputs, Level 1 [Member] Entity Central Index Key Entity Central Index Key Interest expense, net of amounts capitalized Interest Expense Restricted cash Restricted Cash and Cash Equivalents 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 Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] 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 Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Schedule of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Cash Cash Proceeds from sale of assets and other Proceeds from Sale of Productive Assets Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Other income (expense), net Total other non-operating income and expenses Nonoperating Income (Expense) Additional paid-in capital Additional Paid in Capital Long-Term Debt Long-term Debt [Text Block] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Share Based Compensation Allocated Costs Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] 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] Prepaid expenses and other Prepaid Expense and Other Assets, Current Less: comprehensive loss attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Outstanding letters of credit Letters of Credit Outstanding, Amount 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] Total current assets Assets, Current (Decrease) increase in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net loss attributable to Wynn Resorts, Limited Net loss attributable to Wynn Resorts, Limited Net Income (Loss) Attributable to Parent Proceeds from exercise of stock options Proceeds from Stock Options Exercised Liabilities: Liabilities, Fair Value Disclosure [Abstract] Common stock Common Stock [Member] Current assets: Assets, Current [Abstract] Title of 12(b) Security Title of 12(b) Security Leases [Abstract] Leases [Abstract] Receivables, net Increase (Decrease) in Receivables Debt Instrument [Axis] Debt Instrument [Axis] Accounts receivable, net of allowance for credit losses of $102,412 and $100,329 Receivables, net Receivables, Net, Current Restricted cash Restricted Cash, Noncurrent Wynn Palace and Wynn Macau Wynn Palace and Wynn Macau [Member] Wynn Palace and Wynn Macau [Member] Net loss Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Economic interest held following merger Business Acquisition, Percentage of Voting Interests Acquired Product and Service [Axis] Product and Service [Axis] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Scenario [Axis] Scenario [Axis] Macau Operations Macau Operations [Member] Macau Operations Numerator: Net Income (Loss) Available Common Stockholders, Basic And Diluted [Abstract] Net Income (Loss) Available Common Stockholders, Basic And Diluted [Abstract] Other accrued liabilities Other Accrued Liabilities, Current Stock-based compensation expense Share-based Payment Arrangement, Expense Corporate and other Corporate, Non-Segment [Member] Change in advanced room deposits and ticket sales Change in advanced room deposits and ticket sales Change in advanced room deposits and ticket sales Total liabilities and stockholders' deficit Liabilities and Equity Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Other Macau Other Macau [Member] Other Macau [Member] Percentage of markers due from customers Concentration Risk, Percentage Wynn Macau Revolver, due 2022 Senior Revolving Credit Facility, due 2022 Senior Revolving Credit Facility, Due 2022 [Member] Senior Revolving Credit Facility, Due 2022 [Member] Current portion of long-term debt Less: Current portion of long-term debt Long-term Debt, Current Maturities Long-term operating lease liabilities Operating Lease, Liability, Noncurrent Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Preferred stock, shares authorized Preferred Stock, Shares Authorized Cancellation of restricted stock (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Proceeds Sale of Stock, Consideration Received on Transaction Principles of Consolidation Consolidation, Policy [Policy Text Block] Contingent rental income Operating Lease, Variable Lease Income Newly issued shares of common stock in registered public offering (shares) Sale of Stock, Number of Shares Issued in Transaction Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] HIBOR HIBOR [Member] HIBOR [Member] Interest rate collar Derivative Liability Operating revenues: Revenues [Abstract] Litigation Case [Domain] Litigation Case [Domain] Fair Value, Measurements, Recurring Fair Value, Recurring [Member] Accounts receivable, allowance for credit losses Less: allowance for credit losses Accounts Receivable, Allowance for Credit Loss, Current WRF Credit Facilities WRF Senior Secured Credit Facilities [Member] WRF Senior Secured Credit Facilities [Member] Cash dividends declared, recorded as reduction of retained earnings Dividends, Common Stock, Cash Other Other Nonoperating Income (Expense) Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Operating expenses: Costs and Expenses [Abstract] Less: net loss attributable to noncontrolling interests Net loss attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Geographical [Axis] Geographical [Axis] Betbull Transaction Betbull Transaction [Member] Betbull Transaction Retained earnings (Accumulated deficit) Retained Earnings [Member] Amortization of debt issuance costs Amortization of Debt Issuance Costs Change in total customer contract liabilities Change in total customer contract liabilities Change in total customer contract liabilities Statement [Table] Statement [Table] Dividends paid Payments of Dividends Schedule of Assets and Liabilities Carried at Fair Value Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Furniture, fixtures and equipment Furniture and Fixtures, Gross Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Receivables [Abstract] Receivables [Abstract] Schedule of Share-based Compensation, Allocation of Recognized Period Costs [Table] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Ownership [Axis] Ownership [Axis] Income Taxes [Table] Income Taxes [Table] Income Taxes [Table] Net proceeds received from settlement agreement becoming effective and final Proceeds from Legal Settlements Outside the United States, primarily Asia Asia [Member] Schedule of Receivables, net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Accumulated deficit Retained Earnings (Accumulated Deficit) Legal Entity [Axis] Legal Entity [Axis] Repurchase of common stock Payments for Repurchase of Common Stock City Area Code City Area Code Rooms Rooms [Member] Rooms [Member] Document Period End Date Document Period End Date Commitments and Contingencies [Table] Commitments And Contingencies [Table] Commitments and Contingencies [Table] 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 Diluted (in usd per share) Net income attributable to Wynn Resorts, Ltd. per common share, diluted (in usd per share) Earnings Per Share, Diluted Stockholders' equity (deficit): Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Casino outstanding chips and front money deposits Casino outstanding chips and front money deposits Casino outstanding chips and front money deposits Cash dividends declared Cash dividends Dividends, Cash Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Accounts Receivable Accounts Receivable [Policy Text Block] Schedule of Restricted Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Foreign currency translation adjustments, before and after tax Currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Entity [Domain] Entity [Domain] Deferred income taxes Deferred Income Tax Expense (Benefit) 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] Cover page. Cover [Abstract] Legal Entity of Counterparty, Type [Axis] Legal Entity of Counterparty, Type [Axis] 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 Corporate and other Corporate and Other [Member] Gain Contingencies, Nature [Axis] Gain Contingencies, Nature [Axis] Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate Accounts Receivable, Allowance For Credit Loss, Effect Of Exchange Rate Accounts Receivable, Allowance For Credit Loss, Effect Of Exchange Rate Provision for income taxes Income tax expense (benefit) Income Tax Expense (Benefit) Stock-Based Compensation Share-based Payment Arrangement [Text Block] Subsidiary, Sale of Stock [Line Items] Subsidiary, Sale of Stock [Line Items] WRF Revolver, due 2024 Senior Revolving Credit Facility, Due 2024 [Member] Senior Revolving Credit Facility, Due 2024 [Member] Other long-term liabilities Other Liabilities, Noncurrent Unusual or Infrequent Item, or Both [Axis] Unusual or Infrequent Item, or Both [Axis] Accrual of net expense related to commitment to pay salary, tips and benefits continuation for all U.S. employees Employee-related Liabilities Hotel Hotel [Member] Net loss attributable to Wynn Resorts, Limited: Earnings Per Share [Abstract] Fair Value, Hierarchy Fair Value Hierarchy and NAV [Axis] Schedule of Goodwill [Table] Schedule of Goodwill [Table] WRF Term Loan, due 2024 Senior Term Loan Facility, Due 2024 [Member] Senior Term Loan Facility, Due 2024 [Member] Distribution to noncontrolling interest Decrease from distributions to noncontrolling interest Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Foreign currency translation Goodwill, Foreign Currency Translation Gain (Loss) 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] Interest rate during period Debt Instrument, Interest Rate During Period Cash, Cash Equivalents and Restricted Cash Cash and Cash Equivalents Disclosure [Text Block] Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Interactive Data Current Entity Interactive Data Current Long-term debt, gross Long-term Debt, Gross ASSETS Assets [Abstract] Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Preferred stock, par value (usd per share) Preferred Stock, Par or Stated Value Per Share Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Entity Registrant Name Entity Registrant Name 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 Receivables, net Loans, Notes, Trade and Other Receivables, Excluding Allowance for Credit Losses [Text Block] Positive Outcome of Litigation Positive Outcome of Litigation [Member] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Total rental income Operating Lease, Lease Income Other income (expense): Other non-operating income and expenses Nonoperating Income (Expense) [Abstract] 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. Potential dilutive effect of stock options and restricted stock (shares) Weighted Average Number Diluted Shares Outstanding Adjustment Cancellation of restricted stock Stock Issued During Period, Value, Restricted Stock Award, Forfeitures Corporate expenses and other Corporate Expenses And Other Corporate Expenses And Other Segment Reporting [Abstract] Segment Reporting [Abstract] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction 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 Minimum rental income Operating Lease, Lease Income, Lease Payments General and administrative General And Administrative [Member] General And Administrative [Member] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Public Stock Offering Public Stock Offering [Member] Public Stock Offering [Member] Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Income Statement Location [Domain] Income Statement Location [Domain] Supplemental cash flow disclosures: Supplemental Cash Flow Information [Abstract] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Total operating revenues Total operating revenues Revenue from Contract with Customer, Including Assessed Tax Document Transition Report Document Transition Report Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents [Abstract] Change in derivatives fair value Gain (Loss) on Derivative Instruments, Net, Pretax Dividends and Noncontrolling Interest [Table] Noncontrolling Interest [Table] Required annual payment, complimentary tax otherwise due by stockholders of Wynn Macau S.A. Dividend Tax Agreement, Complimentary Tax, Required Annual Payment Dividend Tax Agreement, Complimentary Tax, Required Annual Payment Write-offs Accounts Receivable, Allowance for Credit Loss, Writeoff Other operating expenses Other Operating Costs And Expenses [Abstract] Other Operating Costs and Expenses [Abstract] Document Quarterly Report Document Quarterly Report Common stock, shares authorized Common Stock, Shares Authorized Restricted cash Restricted Cash Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Gain related to settlement agreement becoming effective and final, recognized as reduction of general and administrative expense Net gain related to derivative litigation settlement Gain (Loss) Related to Litigation Settlement Noncontrolling interests Noncontrolling Interest [Member] General and administrative Selling, General and Administrative Expense Encore Boston Harbor Encore Boston Harbor [Member] Encore Boston Harbor [Member] Derivative Litigation Derivative Litigation [Member] Derivative Litigation Senior Notes Senior Notes [Member] Unusual or Infrequent Item, or Both [Domain] Unusual or Infrequent Item, or Both [Domain] Sale of Stock [Domain] Sale of Stock [Domain] Stock-based compensation Share-based Payment Arrangement, Noncash Expense Schedule of Shares used in Calculation of Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Distribution to noncontrolling interest Payments to Noncontrolling Interests Long-term debt Total long-term debt, net of current portion Long-term Debt, Excluding Current Maturities Assets: Assets, Fair Value Disclosure [Abstract] Entity File Number Entity File Number Underwriter discounts, commissions, and other expenses Payments of Stock Issuance Costs Effect of exchange rate on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash and Cash Equivalents Accrued compensation and benefits Employee-related Liabilities, Current Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Income Taxes Income Tax Disclosure [Text Block] Purchase of intangible and other assets Payments to Acquire Intangible Assets Percentage of ownership Noncontrolling Interest, Ownership Percentage by Parent Revenue Revenue Recognition [Text Block] Revenue Recognition [Text Block] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Document Fiscal Year Focus Document Fiscal Year Focus Preferred stock, shares issued Preferred Stock, Shares Issued LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT) Liabilities and Equity [Abstract] Entity Current Reporting Status Entity Current Reporting Status Summary of Assets by Segment Reconciliation of Assets from Segment to Consolidated [Table Text Block] 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 Other assets Other Assets, Noncurrent Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] 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] Wynn Macau Term Loan, due 2022 Senior Term Loan Facility, due 2022 Senior Term Loan Facility, Due 2022 [Member] Senior Term Loan Facility, Due 2022 [Member] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Wynn Palace Wynn Palace [Member] Wynn Palace [Member] Legal Entity Type of Counterparty [Domain] Legal Entity Type of Counterparty [Domain] Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Long-term debt total Long-term debt Long-term Debt Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Capital expenditures, net of construction payables and retention Payments to Acquire Property, Plant, and Equipment Proceeds from issuance of long-term debt Proceeds from Issuance of Long-term Debt Accrued interest Interest Payable, Current Recoveries of receivables previously written off Accounts Receivable, Allowance for Credit Loss, Recovery Cash, cash equivalents and restricted cash: Cash and Cash Equivalents, Period Increase (Decrease) [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] Sale of Stock [Axis] Sale of Stock [Axis] Provision for credit losses Provision for credit losses Accounts Receivable, Credit Loss Expense (Reversal) Leases Lessor, Operating Leases [Text Block] Total Wynn Resorts, Ltd. stockholders' equity Parent [Member] Accounting Policies [Abstract] Accounting Policies [Abstract] Entity Address, City or Town Entity Address, City or Town Additional paid-in capital Additional Paid-in Capital [Member] Interest income Investment Income, Interest Schedule of Minimum and Contingent Operating Lease Income Operating Lease, Lease Income [Table Text Block] 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. Cash dividend paid (usd per share) Common Stock, Dividends, Per Share, Cash Paid 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] Receivables Accounts Receivable [Member] Issuance of restricted stock Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Gaming tax expenses Gaming Tax Expenses Gaming tax expense. Other comprehensive income: Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax [Abstract] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Property and equipment, gross Property, Plant and Equipment, Gross Entity Tax Identification Number Entity Tax Identification Number Geographical [Domain] Geographical [Domain] Property and Equipment, net Property, Plant and Equipment Disclosure [Text Block] Retail Joint Venture Retail Joint Venture [Member] Retail Joint Venture [Member] Commitment to pay salary, tips, and benefits continuation for all U.S. employess for period from April 1 through May 15, 2020 COVID-19, Commitment To Pay Salary, Tips, And Benefits Continuation For U.S. Employees For Specified Period [Member] COVID-19, Commitment To Pay Salary, Tips, And Benefits Continuation For U.S. Employees For Specified Period Income Statement Location [Axis] Income Statement Location [Axis] Business Acquisition [Axis] Business Acquisition [Axis] Operating Segments Operating Segments [Member] Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Wynn Interactive Wynn Interactive [Member] Wynn Interactive Current Fiscal Year End Date Current Fiscal Year End Date Accounts and construction payables Accounts Payable, Current Basis of Presentation and Significant Accounting Policies Significant Accounting Policies [Text Block] WML Wynn Macau, Limited [Member] Wynn Macau, Limited [Member] Food and beverage Food and beverage Food and Beverage [Member] Pre-opening Pre-Opening Costs Document Fiscal Period Focus Document Fiscal Period Focus Geographic Concentration Risk Geographic Concentration Risk [Member] Common stock, shares issued Common Stock, Shares, Issued Total operating expenses Costs and Expenses Common stock, par value (usd per share) Common Stock, Par or Stated Value Per Share Wynn Las Vegas Las Vegas Operations Wynn Las Vegas [Member] Wynn Las Vegas [Member] 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. Schedule of Variable Interest Entities [Line Items] Schedule of Equity Method Investments [Line Items] Inventories Inventory, Net 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 Measurement Frequency Measurement Frequency [Axis] Buildings and improvements Buildings and Improvements, Gross Earnings Per Share Earnings Per Share [Text Block] Entity Filer Category Entity Filer Category Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Entertainment, retail and other Entertainment, retail and other Entertainment Retail And Other [Member] Entertainment Retail And Other [Member] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Senior Secured Revolving Credit Facility Revolving Credit Facility [Member] Issuance of common stock, net of $17.7 million underwriter discounts, commissions and other expenses (in shares) Stock Issued During Period, Shares, New Issues Ownership [Domain] Ownership [Domain] Summary of Long-Term Debt Schedule of Long-term Debt Instruments [Table Text Block] Consolidated Entities [Axis] Consolidated Entities [Axis] WRF Wynn Resorts Finance, LLC [Member] Wynn Resorts Finance, LLC [Member] 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] Total liabilities Liabilities Liabilities Schedule of Customer Contract Liabilities Schedule of Customer Contract Liabilities [Table Text Block] [Table Text Block] for Schedule of Customer Contract Liabilities [Table] Goodwill Goodwill Disclosure [Text Block] Common stock, par value $0.01; 400,000,000 shares authorized; 131,280,022 and 123,482,836 shares issued; 115,647,328 and 107,888,336 shares outstanding, respectively Common Stock, Value, Issued Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Revenue Recognition [Abstract] Revenue Recognition [Abstract] Rooms Occupancy [Member] Reversal of compensation cost previously recognized for awards forfeited in connection with departure of employee Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash Cash and cash equivalents Total cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Total customer contract liabilities Total Customer Contract Liabilities Total Customer Contract Liabilities Schedule of Goodwill Schedule of Goodwill [Table Text Block] Basic (in shares) Weighted average common shares outstanding (shares) Weighted Average Number of Shares Outstanding, Basic Operating lease assets Operating Lease, Right-of-Use Asset Construction in progress Construction in Progress, Gross 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. Equity Components [Axis] Equity Components [Axis] Total Wynn Resorts, Limited stockholders' equity (deficit) Stockholders' Equity Attributable to Parent Concentration Risk Type [Domain] Concentration Risk Type [Domain] Local Phone Number Local Phone Number Fair value, excluding the redemption note Debt Instrument, Fair Value, Excluding The Redemption Note Debt Instrument, Fair Value, Excluding The Redemption Note Customer deposits Contract with Customer, Liability, Current Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Fair Value Measurements Fair Value Disclosures [Text Block] Entity Address, Address Line One Entity Address, Address Line One Entity Emerging Growth Company Entity Emerging Growth Company 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 Receivables, gross Accounts Receivable, before Allowance for Credit Loss, Current Cash paid for interest, net of amounts capitalized Interest Paid, Excluding Capitalized Interest, Operating Activities Forecast Forecast [Member] Liability settled with shares of common stock Stock Issued Preferred stock, par value $0.01; 40,000,000 shares authorized; zero shares issued and outstanding Preferred Stock, Value, Issued Balance at beginning of year Balance at end of period Accounts Receivable, Allowance for Credit Loss Variable Rate [Axis] Variable Rate [Axis] Shares repurchased by the Company and held as treasury shares Treasury Stock, Value, Acquired, Cost Method Denominator: Weighted Average Number Of Shares Outstanding, Basic And Diluted [Abstract] Weighted Average Number Of Shares Outstanding, Basic And Diluted [Abstract] Antidilutive securities excluded from computation of earnings per share (shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Depreciation expense Depreciation Litigation Case [Axis] Litigation Case [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Total comprehensive loss Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Advanced room deposits and ticket sales Advanced room deposits and ticket sales Advanced room deposits and ticket sales Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Equity Component [Domain] Equity Component [Domain] Customer deposits Increase (Decrease) in Contract with Customer, Liability Trading Symbol Trading Symbol Finance lease payment Finance Lease, Principal Payments Consolidated Entities [Domain] Consolidated Entities [Domain] Gain Contingency, Nature [Domain] Gain Contingency, Nature [Domain] Allowance for Doubtful Accounts Receivable [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] 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 Entity Shell Company Entity Shell Company Income Statement [Abstract] Income Statement [Abstract] WLV Wynn Las Vegas, LLC and Wynn Las Vegas Capital Corp [Member] Wynn Las Vegas, LLC and Wynn Las Vegas Capital Corp Macau MACAU Retail Joint Venture Variable Interest Entity Disclosure [Text Block] Other gaming related liabilities Other gaming related liabilities Other gaming related liabilities Retail Term Loan, due 2025 Retail Term Loan Agreement [Member] Retail Term Loan Agreement [Member]