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Convertible Bond Conversion Option Derivative Derivative Liability Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Operating Segments Operating Segments [Member] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] 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] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount WRF Credit Facilities WRF Senior Secured Credit Facilities [Member] WRF Senior Secured Credit Facilities [Member] Schedule of Receivables, net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Share-Based Payment Arrangement [Abstract] Entity Tax Identification Number Entity Tax Identification Number 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[Member] Total other operating expenses Other Cost and Expense, Operating Financing costs included in accounts payable and other liabilities Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Casino Casino [Member] Rooms Rooms [Member] Rooms [Member] Common stock, par value (usd per share) Common Stock, Par or Stated Value Per Share WML 4 1/2% Convertible Bonds, due 2029 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 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Frequency [Domain] Measurement Frequency [Domain] Property and Equipment, net Property, Plant and Equipment Disclosure [Text Block] All Executive Categories All Executive Categories [Member] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] 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 Loss on embedded derivative Embedded Derivative, Gain (Loss) on Embedded Derivative, Net Debt Disclosure [Abstract] Debt 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 Effect of exchange rate Accounts Receivable, Allowance For Credit Loss, Effect Of Exchange Rate Accounts Receivable, Allowance For Credit Loss, Effect Of Exchange Rate Net income (loss) attributable to Wynn Resorts, Limited: Earnings Per Share [Abstract] Investments Marketable Securities, Policy [Policy Text Block] Other comprehensive income: Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax [Abstract] Common stock, par value $0.01; 400,000,000 shares authorized; 133,451,655 and 132,998,916 shares issued; 112,071,149 and 111,737,245 shares outstanding, respectively Common Stock, Value, Issued Debt redemption price as percentage of principal Debt Instrument, Redemption Price, Percentage Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] 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 Dividends payable, conditional upon shareholder approval Dividends Payable, Conditional Upon Shareholder Approval Dividends Payable, Conditional Upon Shareholder Approval Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Senior Notes Senior Notes [Member] Total current assets Assets, Current Finance lease payments Finance Lease, Principal Payments Restricted cash Restricted Cash All Individuals All Individuals [Member] Basic and diluted net income (loss) per common share: Earnings Per Share, Basic and Diluted EPS [Abstract] Earnings Per Share, Basic and Diluted EPS Other Other Nonoperating Income (Expense) Entity Filer Category Entity Filer Category Schedule of Variable Interest Entities [Line Items] Schedule of Equity Method Investments [Line Items] Debt instrument, early tender premium Debt Instrument, Early Tender Premium Debt Instrument, Early Tender Premium Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Statement [Table] Statement [Table] Current Fiscal Year End Date Current Fiscal Year End Date WRF Term Loan, due 2024 Senior Term Loan Facility, Due 2024 [Member] Senior Term Loan Facility, Due 2024 [Member] PEO Name PEO Name 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] Dividend yield Measurement Input, Expected Dividend Rate [Member] Percentage of markers due from customers Concentration Risk, Percentage Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized Investments Investments Restricted cash Restricted Cash, Current Preferred stock, outstanding (in shares) Preferred Stock, Shares Outstanding Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] 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] Investment securities, fair value Debt Securities, Held-to-Maturity, Fair Value, Current Other accrued liabilities Other Accrued Liabilities, Current Corporate, Non-Segment Corporate, Non-Segment [Member] Assumed conversion of WML Convertible Bonds Assumed Conversion Of WML Convertible Bonds Assumed Conversion Of WML Convertible Bonds Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] 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. Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Term Loan Medium-term Notes [Member] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Total Wynn Resorts, Limited stockholders' deficit Equity, Attributable to Parent Corporate expenses and other Corporate Expenses And Other Corporate Expenses And Other Consolidation Items [Axis] Consolidation Items [Axis] Legal Entity of Counterparty, Type [Axis] Legal Entity of Counterparty, Type [Axis] Investment securities, amortized cost Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Current Goodwill, impairment loss Goodwill, Impairment Loss Investment securities, impairment loss Other-than-temporary Impairment Loss, Debt Securities, Held-to-Maturity, before Tax Valuation Techniques for Embedded Derivative Fair Value Measurement Inputs and Valuation Techniques [Table Text 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London Interbank Offered Rate (LIBOR) 1 [Member] London Interbank Offered Rate (LIBOR) 1 WM Cayman Holdings Limited II WM Cayman Holdings Limited II [Member] WM Cayman Holdings Limited II Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Preferred stock, issued (in shares) Preferred Stock, Shares Issued Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Entity Emerging Growth Company Entity Emerging Growth Company Debt issuance costs Debt Issuance Costs, Net Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Schedule of Minimum and Contingent Operating Lease Income Operating Lease, Lease Income [Table Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Other operating expenses Other Operating Costs And Expenses [Abstract] Other Operating Costs and Expenses [Abstract] Triple-net operating lease rent expense Operating Lease, Triple Net, Cost Operating Lease, Triple Net, Cost Dividends payable (usd per share) Dividends Payable, Amount Per Share Available borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Title Trading Arrangement, Individual Title Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Common stock Common Stock [Member] Individual: Individual [Axis] City Area Code City Area Code Entity Address, Postal Zip Code Entity Address, Postal Zip Code Encore Boston Harbor Encore Boston Harbor [Member] Encore Boston Harbor [Member] Earnings Per Share Earnings Per Share [Text Block] Product and Service [Axis] Product and Service [Axis] Airplanes Flight Equipment, Gross Equity interest Equity Method Investment, Ownership Percentage Document Fiscal Year Focus Document Fiscal Year Focus Weighted average interest rate (percent) Debt, Weighted Average Interest Rate Geographical [Domain] Geographical [Domain] Total stockholders' deficit Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Distribution to noncontrolling interest Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders WRF 2031 Senior Notes and WLV 2025 Senior Notes WRF 2031 Senior Notes and WLV 2025 Senior Notes [Member] WRF 2031 Senior Notes and WLV 2025 Senior Notes Minimum Minimum [Member] Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Receivables [Abstract] Receivables [Abstract] Accounts receivable, net of allowance for credit losses of $40,622 and $40,075, respectively Receivables, net Receivables, Net, Current Exercise Price Award Exercise Price Cash dividend paid (usd per share) Common Stock, Dividends, Per Share, Cash Paid Transactions with subsidiary minority shareholders (in shares) Noncontrolling Interest, Transactions With Subsidiary Minority Shareholders, Shares Noncontrolling Interest, Transactions With Subsidiary Minority Shareholders, Shares Assets Sold under Agreements to Repurchase, Type [Domain] Assets Sold under Agreements to Repurchase, Type [Domain] Cash Cash Outside the United States, primarily Asia Asia [Member] Statement of Cash Flows [Abstract] Statement of 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] 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] Macau MACAO Net income 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 Deferred income taxes, net Deferred Income Tax Assets, Net Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Embedded derivative liability, measurement input Embedded Derivative Liability, Measurement Input Investments in unconsolidated affiliate Payments to Acquire Interest in Subsidiaries and Affiliates 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] 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 Island 3 AMI FZ-LLC Island 3 AMI FZ-LLC [Member] Island 3 AMI FZ-LLC Principles of Consolidation Consolidation, Policy [Policy Text Block] WLV 5 1/2% Senior Notes, due 2025 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] Document Transition Report Document Transition Report Award Timing Predetermined Award Timing Predetermined [Flag] 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] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Long-term debt, gross Long-Term Debt, Gross Adjustments to reconcile net income to net cash provided by 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] 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 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] Convertible Debt Convertible Debt [Member] Prepaid expenses and other Prepaid Expense and Other Assets, Current Dividend Paid Dividend Paid [Member] Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] 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 Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Period One Debt Instrument, Redemption, Period One [Member] 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 Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] 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] Provision for income taxes Income tax expense 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] 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 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 Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Assets: Assets, Fair Value Disclosure [Abstract] 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, 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 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 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] Total assets Assets Assets Name Awards Close in Time to MNPI Disclosures, Individual Name Cover page. Cover [Abstract] 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) increase 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] 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 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 Period Two Debt Instrument, Redemption, Period Two [Member] 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 Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Segments [Axis] Segments [Axis] 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 [Member] Retail Term Loan Agreement [Member]