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Wynn Resorts Ltd. [Member] Wynn Resorts Ltd. Payments for financing costs Payment of fees and expenses related to repayment of credit facilities Payments of Debt Issuance Costs Summary of Long-Term Debt Schedule of Long-Term Debt Instruments [Table Text Block] Less: Unamortized debt issuance costs and original issue discounts and premium, net Unamortized debt issuance costs and original issue discounts and premium, net Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Goodwill and intangible assets, net Goodwill and intangible assets, net Intangible Assets, Net (Including Goodwill) Potential dilutive effect of stock options and restricted stock (shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Scenario One Other Commitment, Scenario One [Member] Other Commitment, Scenario One Risk-free interest rate Measurement Input, Risk Free Interest Rate [Member] Product and Service [Domain] Product and Service [Domain] Other Performance Measure, Amount Other Performance Measure, Amount 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[Member] Common stock, par value (usd per share) Common Stock, Par or Stated Value Per Share WML 4 1/2% Convertible Bonds, due 2029 (2) Four And One Over Two Percentage Wynn Macau Limited Convertible Bonds Due Two Thousand Twenty Nine [Member] Four And One Over Two Percentage Wynn Macau Limited Convertible Bonds Due Two Thousand Twenty Nine Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities 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 Debt Instrument [Axis] Debt Instrument [Axis] Casino outstanding chips and front money deposits Casino outstanding chips and front money deposits Casino outstanding chips and front money deposits Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Increase from subsidiary equity issuance Noncontrolling Interest, Increase from Subsidiary 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[Member] Wynn Interactive Ltd. 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Cash Flows [Abstract] Cash dividends declared Cash dividends declared Dividends, Common Stock, Cash ASSETS Assets [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Proceeds from issuance of long-term debt Proceeds from Issuance of Long-Term Debt Customer Contract Liabilties Revenue Recognition [Text Block] Revenue Recognition [Text Block] Common Stock, returned (in shares) Common Stock, Shares, Returned Common Stock, Shares, Returned Macau MACAO Net income (loss) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Embedded derivative liability, measurement input Embedded Derivative Liability, Measurement Input Craig S. Bilings [Member] Craig S. Bilings Accumulated deficit Retained Earnings [Member] 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 Current portion of long-term debt Less: Current portion of long-term debt Long-Term Debt, Current Maturities Share Based Compensation Allocated Costs Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Summary of Operations by Segment Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Total liabilities and stockholders' deficit Liabilities and Equity Other income (expense): Other non-operating income and expenses Nonoperating Income (Expense) [Abstract] Other assets Other Assets, Noncurrent Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Ownership [Domain] Ownership [Domain] 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] 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 Operating lease assets Operating Lease, Right-of-Use Asset Wynn Palace Wynn Palace [Member] Wynn Palace [Member] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Accounting Policies [Abstract] Accounting Policies [Abstract] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Arrangement Duration Trading Arrangement Duration Entity Address, City or Town Entity Address, City or Town Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Schedule of Restricted Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Liability settled with shares of common stock Stock Issued Principles of Consolidation Consolidation, Policy [Policy Text Block] Other commitment, to be paid, 2023 to 2025 Other Commitment, To Be Paid, Years One Through Three Other Commitment, To Be Paid, Years One Through Three 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] Other Commitment, Scenario [Domain] Other Commitment, Scenario [Domain] Other Commitment, Scenario [Domain] Document Transition Report Document Transition Report Award Timing Predetermined Award Timing Predetermined [Flag] WRF Credit Facility Agreement WRF Credit Facility Agreement [Member] WRF Credit Facility Agreement Remaining authorized repurchase amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Termination Date Trading Arrangement Termination Date Furniture, fixtures and equipment Furniture and Fixtures, Gross Common stock, authorized (in shares) Common Stock, Shares Authorized 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. 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] Indefinite-lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Long-term debt, gross Long-Term Debt, Gross Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Gaming tax expenses Gaming Tax Expenses Gaming tax expense. All Trading Arrangements All Trading Arrangements [Member] Measurement Input Type [Axis] Measurement Input Type [Axis] Wynn Macau SA Wynn Macau SA [Member] Wynn Macau SA All Adjustments to Compensation All Adjustments to Compensation [Member] Derivative [Line Items] Derivative [Line Items] Award Timing Disclosures [Line Items] Retail Joint Venture Retail Joint Venture Retail Joint Venture [Member] Retail Joint Venture [Member] Compensation Amount Outstanding Recovery Compensation Amount Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Summary of Assets by Segment Reconciliation of Assets from Segment to Consolidated [Table Text Block] Less: comprehensive (income) loss attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Other Commitments [Axis] Other Commitments [Axis] Provision for credit losses Provision for credit losses Accounts Receivable, Credit Loss Expense (Reversal) Additional paid-in capital Additional Paid in Capital Interest rate collar Derivative Asset Deferred income taxes Deferred Income Tax Expense (Benefit) Subsequent Event Type [Axis] Subsequent Event Type [Axis] Proceeds from exercise of stock options Proceeds from Stock Options Exercised Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Schedule of Share-based Compensation, Allocation of Recognized Period Costs [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Commitment extended Line Of Credit Facility, Commitment Extended Line Of Credit Facility, Commitment Extended Convertible Debt Convertible Debt [Member] Prepaid expenses and other Prepaid Expense and Other Assets, Current Dividend Paid Dividend Paid [Member] Insider Trading Arrangements [Line Items] WML Wynn Macau, Limited [Member] Wynn Macau, Limited [Member] Balance at beginning of year Balance at end of period Accounts Receivable, Allowance for Credit Loss Share price (in dollars per share) Share Price Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Wynn Las Vegas Las Vegas Operations Wynn Las Vegas [Member] Wynn Las Vegas [Member] Entity Registrant Name Entity Registrant Name 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. Award Timing Method Award Timing Method [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] 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 Adjustment to Compensation, Amount Adjustment to Compensation Amount Retail Retail [Member] Noncontrolling interests Equity, Attributable to Noncontrolling Interest Document Period End Date Document Period End Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Adoption Date Trading Arrangement Adoption Date Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Issuance of restricted stock Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Schedule of Assets and Liabilities Carried at Fair Value Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Corporate and other Corporate and Other [Member] Repayments of long-term debt Repayments of Long-Term Debt Entertainment, retail and other Entertainment Retail And Other [Member] Entertainment Retail And Other [Member] Treasury stock Treasury Stock, Common [Member] Entity Central Index Key Entity Central Index Key Amortization of debt issuance costs and discounts Amortization of Debt Issuance Costs and Discounts Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Liabilities: Liabilities, Fair Value Disclosure [Abstract] Stock-based compensation expense Share-Based Payment Arrangement, Expense Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Finite-lived intangible assets, gross Finite-Lived Intangible Assets, Gross Benefit (provision) for income taxes Income tax expense (benefit) Income Tax Expense (Benefit) Write-offs Accounts Receivable, Allowance for Credit Loss, Writeoff Accrued compensation and benefits Employee-related Liabilities, Current Fair Value Measurements Fair Value Disclosures [Text Block] Crown Acquisitions Inc. Crown Acquisitions Inc. [Member] Crown Acquisitions Inc. Name Trading Arrangement, Individual Name Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents [Abstract] WRF Wynn Resorts Finance, LLC [Member] Wynn Resorts Finance, LLC [Member] Equity [Abstract] Equity [Abstract] Entity [Domain] Entity [Domain] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Schedule of Customer Contract Liabilities Schedule of Customer Contract Liabilities [Table Text Block] [Table Text Block] for Schedule of Customer Contract Liabilities [Table] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Amendment Flag Amendment Flag Legal Entity [Axis] Legal Entity [Axis] Change in derivatives fair value Unrealized Gain (Loss) on Derivatives Facility A WM Cayman II Revolver, due 2025, Tranche One [Member] WM Cayman II Revolver, due 2025, Tranche One Cash, cash equivalents and restricted cash: Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect [Abstract] Pre-opening Pre-Opening Costs Cash and cash equivalents Total cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Cash paid for interest, net of amounts capitalized Interest Paid, Excluding Capitalized Interest, Operating Activities Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Assets: Assets, Fair Value Disclosure [Abstract] Credit Facility [Domain] Credit Facility [Domain] Legal Entity Type of Counterparty [Domain] Legal Entity Type of Counterparty [Domain] Shares repurchased by the Company and held as treasury shares (in shares) Treasury stock, acquired (in shares) Treasury Stock, Shares, Acquired Interest in addition to variable rate Debt Instrument, Basis Spread on Variable Rate Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Total customer contract liabilities Total Customer Contract Liabilities Total Customer Contract Liabilities Goodwill and Intangible Assets, net Goodwill Disclosure [Text Block] Long-term debt Total long-term debt, net of current portion Long-Term Debt, Excluding Current Maturities Diluted (in shares) Weighted average common and common equivalent shares outstanding (shares) Weighted Average Number of Shares Outstanding, Diluted Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Loss on debt financing transactions 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. Finance lease liabilities arising from obtaining finance lease assets Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Other commitment, to be paid, 2026 to 2032 Other Commitment, To Be Paid, Years Four Through Ten Other Commitment, To Be Paid, Years Four Through Ten Contingent rental income Operating Lease, Variable Lease Income Capital expenditures, net of construction payables and retention Payments to Acquire Property, Plant, and Equipment Company Selected Measure Amount Company Selected Measure Amount Additional paid-in capital Additional Paid-in Capital [Member] Proceeds from sale of noncontrolling interest in subsidiary Proceeds From Divestiture Of Interest In Joint Venture, Financing Activities Proceeds From Divestiture Of Interest In Joint Venture, Financing Activities Total assets Assets Assets Name Awards Close in Time to MNPI Disclosures, Individual Name Share Repurchase Program [Axis] Share Repurchase Program [Axis] Cover page. Cover [Abstract] Proceeds from convertible debt Proceeds from Convertible Debt Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Amortization of debt issuance costs Amortization of Debt Issuance Costs Fair Value, Measurements, Recurring Fair Value, Recurring [Member] Food and beverage Food and beverage Food and Beverage [Member] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Interest rate during period Debt Instrument, Interest Rate During Period Dividends paid Payments of Dividends Other long-term liabilities Other Liabilities, Noncurrent Non-NEOs Non-NEOs [Member] Schedule of Supplemental Cash Flow Disclosures Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] 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 Subsidiary, Sale of Stock [Line Items] Subsidiary, Sale of Stock [Line Items] Segment Information Segment Reporting Disclosure [Text Block] Cash, Cash Equivalents and Restricted Cash Cash and Cash Equivalents Disclosure [Text Block] Other liabilities related to intangible assets, gaming premium Intangible Assets, Other Liabilities Incurred, Gaming Premium Intangible Assets, Other Liabilities Incurred, Gaming Premium Decrease in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Denominator: Weighted Average Number Of Shares Outstanding, Basic And Diluted [Abstract] Weighted Average Number Of Shares Outstanding, Basic And Diluted [Abstract] Senior Secured Term Loan Secured Debt [Member] Non-PEO NEO Non-PEO NEO [Member] Transactions with subsidiary minority shareholders Noncontrolling Interest, Transactions With Subsidiary Minority Shareholders, Value Noncontrolling Interest, Transactions With Subsidiary Minority Shareholders, Value Equity Component [Domain] Equity Component [Domain] Impairment of goodwill and intangible assets Goodwill and Intangible Asset Impairment Adjustment to Compensation: Adjustment to Compensation [Axis] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Advanced room deposits and ticket sales Advanced room deposits and ticket sales Advanced room deposits and ticket sales Debt Instrument [Line Items] Debt Instrument [Line Items] Basic (in shares) Weighted average common shares outstanding (shares) Weighted Average Number of Shares Outstanding, Basic Entity Current Reporting Status Entity Current Reporting Status Concentration Risk Type [Domain] Concentration Risk Type [Domain] Rooms Occupancy [Member] Operating income (loss) Operating Income (Loss) Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Investment securities, accrued interest Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss Macau Gaming Concession Macau Gaming Concession [Member] Macau Gaming Concession Revenue Recognition [Abstract] Revenue Recognition [Abstract] Operating revenues: Revenues [Abstract] Cancellation of restricted stock (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Total rental income Operating Lease, Lease Income Related Party Transaction [Axis] Related Party Transaction [Axis] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Segments [Axis] Segments [Axis] Massachusetts Gaming License Massachusetts Gaming License [Member] Massachusetts Gaming License Land and improvements Land and Land Improvements Statement [Line Items] Statement [Line Items] Total stock-based compensation costs Share-Based Payment Arrangement, Expensed and Capitalized, Amount 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 Dividends [Axis] Dividends [Axis] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] 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 Stockholders' deficit: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Noncontrolling interests Noncontrolling Interest [Member] Retail Term Loan, due 2025 Retail Term Loan Agreement Retail Term Loan Agreement [Member] Retail Term Loan Agreement [Member]