Purchase of intangible and other assets Payments to Acquire Intangible Assets Total current assets Assets, 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 Current assets: Assets, Current [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Total operating expenses Costs and Expenses Other accrued liabilities Other Accrued Liabilities, Current Total rental income Operating Lease, Lease Income 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 Accounts and construction payables Accounts Payable, Current Change in loyalty program liabilities Change in loyalty program liabilities Change in loyalty program liabilities Preopening [Member] Preopening [Member] Preopening [Member] LIBOR London Interbank Offered Rate (LIBOR) [Member] Debt redemption price as percentage of principal, redeemable from cash proceeds from equity offerings Debt Instrument, Redemption Price, Percentage, Redeemable From Cash Proceeds From Equity Offerings Debt Instrument, Redemption Price, Percentage, Redeemable From Cash Proceeds From Equity Offerings 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] Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Allowance for credit losses, percent of gross receivables Accounts Receivable, Allowance For Credit Loss, Percent Of Gross Receivables Accounts Receivable, Allowance For Credit Loss, Percent Of Gross Receivables Current Fiscal Year End Date Current Fiscal Year End Date Land and improvements Land and Land Improvements Entity Address, Postal Zip Code Entity Address, Postal Zip Code Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Issuance of restricted stock (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Common stock, shares outstanding Common Stock, Shares, Outstanding Schedule of Assets and Liabilities Carried at Fair Value Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Other Retail Leases And Other [Member] Retail Leases And Other [Member] Long-term debt excluding the Redemption Note Long Term Debt Excluding Redemption Note Long Term Debt Excluding Redemption Note Cash, cash equivalents and restricted cash: Cash and Cash Equivalents, Period Increase (Decrease) [Abstract] Equity [Abstract] Equity [Abstract] Operating revenues: Revenues [Abstract] Accrued interest Interest Payable, Current Retail Joint Venture Variable Interest Entity Disclosure [Text Block] Diluted (in shares) Weighted average common and common equivalent shares outstanding (shares) Weighted Average Number of Shares Outstanding, Diluted Entity Shell Company Entity Shell Company Cover page. Cover [Abstract] Document Type Document Type Customer deposits Increase (Decrease) in Contract with Customer, Liability 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] Accounts receivable, net of allowance for credit losses of $59,971 and $39,317 Receivables, net Receivables, Net, Current Third Fiscal Quarter of the Financial Covenant Increase Period Third Fiscal Quarter Of The Financial Covenant Increase Period [Member] Third Fiscal Quarter Of The Financial Covenant Increase Period Comprehensive income (loss) attributable to Wynn Resorts, Limited Comprehensive Income (Loss), Net of Tax, Attributable to Parent Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Consolidation Items [Domain] Consolidation Items [Domain] Other Other Nonoperating Income (Expense) Segments [Axis] Segments [Axis] Document Quarterly Report Document Quarterly Report Preferred stock, shares authorized Preferred Stock, Shares Authorized Each Subsequent Fiscal Quarter Thereafter of the Financial Covenant Increase Period Fourth Fiscal Quarter And Thereafter Of The Financial Covenant Increase Period [Member] Fourth Fiscal Quarter And Thereafter Of The Financial Covenant Increase Period Total assets Assets Assets Inventories Inventory, Net WRF 5 1/8% Senior Notes, due 2029 Five and One Over Eight Percentage Senior Notes, Due 2029 [Member] Five and One Over Eight Percentage Senior Notes, Due 2029 Entity File Number Entity File Number Increase (decrease) in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Other assets Other Assets, Noncurrent Common stock, par value $0.01; 400,000,000 shares authorized; 123,403,105 and 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Lease Income Long-term debt total Long-term debt Long-term Debt Cash equivalents Cash Equivalents, at Carrying Value Other long-term liabilities Other Liabilities, Noncurrent 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] Senior Secured Revolving Credit Facility Revolving Credit Facility [Member] Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Potential dilutive effect of stock options and restricted stock (shares) Weighted Average Number Diluted Shares Outstanding Adjustment 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] Entity Current Reporting Status Entity Current Reporting Status Effect of exchange rate on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash and Cash Equivalents Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Balance at beginning of year Balance at end of period Allowance for Doubtful Accounts Receivable Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Total stock-based compensation costs Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost Total Wynn Resorts, Limited stockholders' equity Stockholders' Equity Attributable to Parent Deferred income taxes Deferred Income Tax Expense (Benefit) Wynn Palace and Wynn Macau Wynn Palace and Wynn Macau [Member] Wynn Palace and Wynn Macau [Member] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Long-term operating lease liabilities Operating Lease, Liability, Noncurrent Entity Small Business Entity Small Business Liabilities: Liabilities, Fair Value Disclosure [Abstract] Stock-based compensation expense Allocated Share-based Compensation Expense Assets: Assets, Fair Value Disclosure [Abstract] Treasury stock, at cost; 15,518,942 and 15,473,987 shares, respectively Treasury Stock, Value Entity Filer Category Entity Filer Category Numerator: Net Income (Loss) Available Common Stockholders, Basic And Diluted [Abstract] Net Income (Loss) Available Common Stockholders, Basic And Diluted [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 Entity Address, City or Town Entity Address, City or Town Schedule of Receivables, net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Other Macau Other Macau [Member] Other Macau [Member] Schedule of Shares used in Calculation of Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] 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] Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Distribution to noncontrolling interest Payments to Noncontrolling Interests Exercise of stock options (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Geographical [Domain] Geographical [Domain] Basic (in shares) Weighted average common shares outstanding (shares) Weighted Average Number of Shares Outstanding, Basic Concentration Risk Type [Axis] Concentration Risk Type [Axis] Document Fiscal Year Focus Document Fiscal Year Focus Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] HIBOR HIBOR [Member] HIBOR [Member] Construction in progress Construction in Progress, Gross Earnings Per Share Earnings Per Share [Text Block] Variable Rate [Domain] Variable Rate [Domain] Retail Retail [Member] Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] WRF Credit Facilities WRF Senior Secured Credit Facilities [Member] WRF Senior Secured Credit Facilities [Member] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Accrued compensation and benefits Employee-related Liabilities, Current Product and Service [Axis] Product and Service [Axis] Liability settled with shares of common stock Stock Issued Retained earnings Retained Earnings (Accumulated Deficit) Proceeds from issuance of long-term debt Proceeds from Issuance of Long-term Debt Change in derivatives fair value Gain (Loss) on Derivative Instruments, Net, Pretax Prepaid expenses and other Prepaid Expense and Other Assets, Current During Financial 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Depreciation Net income (loss) attributable to Wynn Resorts, Limited: Earnings Per Share [Abstract] Statement [Line Items] Statement [Line Items] Amortization of debt issuance costs Amortization of Debt Issuance Costs Debt redemption price as percentage of principal Debt Instrument, Redemption Price, Percentage Common stock, shares authorized Common Stock, Shares Authorized Proceeds from exercise of stock options Proceeds from Stock Options Exercised Debt Disclosure [Abstract] Debt Disclosure [Abstract] Rooms Rooms [Member] Rooms [Member] Long-term debt, gross Long-term Debt, Gross Entity Tax Identification Number Entity Tax Identification Number Interest rate during period Debt Instrument, Interest Rate During Period 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 Operating expenses: Costs and Expenses [Abstract] Accumulated other comprehensive loss AOCI Attributable to Parent [Member] Preferred stock, par value $0.01; 40,000,000 shares authorized; zero shares issued and outstanding Preferred Stock, Value, Issued Casino outstanding chips and front money deposits Casino outstanding chips and front money deposits Casino outstanding chips and front money deposits Stockholders' equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Share Based Compensation Allocated Costs Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Additional paid-in capital Additional Paid-in Capital [Member] Outstanding letters of credit Letters of Credit Outstanding, Amount Receivables, net Loans, Notes, Trade and Other Receivables, Excluding Allowance for Credit Losses [Text Block] Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Trading Symbol Trading Symbol Supplemental cash flow disclosures: Supplemental Cash Flow Information [Abstract] Macau Operations Macau Operations [Domain] Macau Operations [Domain] Common stock, shares issued Common Stock, Shares, Issued Write-offs Allowance for Doubtful Accounts Receivable, Write-offs Cost of goods and services sold Cost of Goods and Services Sold Equity Component [Domain] Equity Component [Domain] Legal Entity [Axis] Legal Entity [Axis] Income Tax Examination [Table] Income Tax Examination [Table] Total stock-based compensation capitalized Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount Less: Unamortized debt issuance costs and original issue discounts and premium, net Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Noncontrolling interests Noncontrolling Interest [Member] 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 Unusual or Infrequent Item, or Both [Axis] Unusual or Infrequent Item, or Both [Axis] Effect of exchange rate Accounts Receivable, Allowance For Credit Loss, Effect Of Exchange Rate Accounts Receivable, Allowance For Credit Loss, Effect Of Exchange Rate Entity [Domain] Entity [Domain] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] WRF Revolver, due 2024 Senior Revolving Credit Facility, Due 2024 [Member] Senior Revolving Credit Facility, Due 2024 [Member] ASSETS Assets [Abstract] Preferred stock, par value (usd per share) Preferred Stock, Par or Stated Value Per Share City Area Code City Area Code Distribution to non-controlling interest Reduction to noncontrolling interest Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Common stock Common Stock [Member] Title of 12(b) Security Title of 12(b) Security Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Corporate and other Corporate and Other [Member] WRF Term Loan, due 2024 Senior Term Loan Facility, Due 2024 [Member] Senior Term Loan Facility, Due 2024 [Member] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Balance, beginning of period Balance, end of period Total cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents 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] Variable Rate [Axis] Variable Rate [Axis] Consolidation Items [Axis] Consolidation Items [Axis] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Dividends paid Payments of Dividends Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Dividends declared per common share (usd per share) Common Stock, Dividends, Per Share, Declared 2025 WRF Notes Seven And Three Over Four Percentage WRF Senior Notes Due 2025 [Member] Seven And Three Over Four Percentage WRF Senior Notes Due 2025 Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] 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. Provision for credit losses Provision for credit losses Provision for Doubtful Accounts Corporate expenses and other Corporate Expenses And Other Corporate Expenses And Other Schedule of Variable Interest Entities [Line Items] Schedule of Equity Method Investments [Line Items] 5.25% Senior Notes, Due May 15, 2027 [Member] 5.25% Senior Notes, Due May 15, 2027 [Member] 5.25% Senior Notes, Due May 15, 2027 [Member] Operating Segments Operating Segments [Member] Long-Term Debt Long-term Debt [Text Block] 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 Tax exemption period Tax Exemption Period Tax Exemption Period General and administrative General And Administrative [Member] General And Administrative [Member] 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] Food and beverage Food and beverage Food and Beverage [Member] Quoted Market Prices in Active Markets (Level 1) Fair Value, Inputs, Level 1 [Member] Second Fiscal Quarter of the Financial Covenant Increase Period Second Fiscal Quarter Of The Financial Covenant Increase Period [Member] Second Fiscal Quarter Of The Financial Covenant Increase Period Airplanes Flight Equipment, Gross Proceeds from sale of assets and other Proceeds from Sale of Productive Assets Minimum rental income Operating Lease, Lease Income, Lease Payments Rooms Occupancy [Member] Segment Reporting [Abstract] Segment Reporting [Abstract] Other operating expenses Other Operating Costs And Expenses [Abstract] Other Operating Costs and Expenses [Abstract] Total liabilities and stockholders' equity Liabilities and Equity Foreign currency translation adjustments, before and after tax Currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Income Taxes Income Tax Disclosure [Text Block] Revenue Recognition [Abstract] Revenue Recognition [Abstract] Entity Central Index Key Entity Central Index Key Equity Components [Axis] Equity Components [Axis] Entity Emerging Growth Company Entity Emerging Growth Company Encore Boston Harbor Encore Boston Harbor [Member] Encore Boston Harbor [Member] Segment Information Segment Reporting Disclosure [Text Block] Accrual of net expense related to commitment to pay salary, tips and benefits continuation for all U.S. employees Employee-related Liabilities Provision for income taxes Income tax expense (benefit) Income Tax Expense (Benefit) Dividends and Noncontrolling Interest [Table] Noncontrolling Interest [Table] Debt Instrument, Covenant, Period In Effect [Axis] Debt Instrument, Covenant, Period In Effect [Axis] Debt Instrument, Covenant, Period In Effect Total operating revenues Total operating revenues Revenue from Contract with Customer, Including Assessed Tax Stock-based compensation Share-based Compensation Loss on extinguishment of debt Loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Other comprehensive income (loss): Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax [Abstract] Diluted (in usd per share) Net income attributable to Wynn Resorts, Ltd. per common share, diluted (in usd per share) Earnings Per Share, Diluted Property and Equipment, net Property, Plant and Equipment Disclosure [Text Block] Retained earnings Retained Earnings [Member] Product and Service [Domain] Product and Service [Domain] Fair Value Measurements Fair Value Disclosures [Text Block] Income Statement [Abstract] Income Statement [Abstract] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Casino Casino [Member] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Cash dividend paid (usd per share) Common Stock, Dividends, Per Share, Cash Paid Dividends and Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Revenue Revenue Recognition [Text Block] Revenue Recognition [Text Block] Schedule of Minimum and Contingent Operating Lease Income Operating Lease, Lease Income [Table Text Block] Fair Value, Measurements, Recurring Fair Value, Measurements, Recurring [Member] Common stock, par value (usd per share) Common Stock, Par or Stated Value Per Share Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Cancellation of restricted stock Stock Issued During Period, Value, Restricted Stock Award, Forfeitures Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] 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] Wynn Palace Wynn Palace [Member] Wynn Palace [Member] Basic and diluted net income (loss) per common share: Earnings Per Share, Basic and Diluted [Abstract] Leases [Abstract] Leases [Abstract] Property and equipment, gross Property, Plant and Equipment, Gross Total current liabilities Liabilities, Current LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Basis of Presentation and Significant Accounting Policies Significant Accounting Policies [Text Block] Amount of complementary tax exemption Amount Of Complementary Tax Exemption Amount of complementary tax exemption Receivables Accounts Receivable [Member] Credit Agreement Line of Credit [Member] Restricted cash Restricted cash Restricted Cash and Cash Equivalents Any Time Prior to April 15, 2022 Debt Instrument, Redemption, Period One [Member] 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] Cash and cash equivalents Total cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Commitments and contingencies (Note 14) Commitments and Contingencies Ownership [Domain] Ownership [Domain] Hotel Hotel [Member] Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] 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. Antidilutive securities excluded from computation of earnings per share (shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Finance lease payment Finance Lease, Principal Payments Interest income Investment Income, Interest Gaming tax expenses Gaming Tax Expenses Gaming tax expense. Entity Address, Address Line One Entity Address, Address Line One Less: comprehensive (income) loss attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Treasury stock Treasury Stock [Member] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Cash Cash Retail Joint Venture Retail Joint Venture [Member] Retail Joint Venture [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] 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 Entity Address, State or Province Entity Address, State or Province Redemption percentage, redeemable from cash proceeds from equity offerings Debt Instrument, Redemption Percentage, Redeemable From Cash Proceeds From Equity Offerings, Maximum Debt Instrument, Redemption Percentage, Redeemable From Cash Proceeds From Equity Offerings, Maximum Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Schedule of Restricted Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Operating income (loss) Operating Income (Loss) Receivables [Abstract] Receivables [Abstract] Current liabilities: Liabilities, Current [Abstract] WML Wynn Macau, Limited [Member] Wynn Macau, Limited [Member] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Entity Interactive Data Current Entity Interactive Data Current Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Wynn Las Vegas Las Vegas Operations Wynn Las Vegas [Member] Wynn Las Vegas [Member] Accounts Receivable Trade and Other Accounts Receivable, Policy [Policy Text Block] 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. Less: net (income) loss attributable to noncontrolling interests Net (income) loss attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Summary of Assets by Segment Reconciliation of Assets from Segment to Consolidated [Table Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code 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 Schedule of Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Entertainment, retail and other Entertainment, retail and other Entertainment Retail And Other [Member] Entertainment Retail And Other [Member] Cash and Cash Equivalents [Abstract] Cash and Cash Equivalents [Abstract] Legal Entity of Counterparty, Type [Axis] Legal Entity of Counterparty, Type [Axis] Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Pre-opening expenses excluded from stock-based compensation Pre-Opening Costs Excluded from Share-based Compensation Pre-Opening Costs Excluded from Share-based Compensation Measurement Frequency Measurement Frequency [Axis] Minimum liquidity required to be maintained at all times during Financial Covenant Relief Period Debt Instrument, Covenant Terms, Minimum Liquidity Requirement Debt Instrument, Covenant Terms, Minimum Liquidity Requirement Current portion of long-term debt Less: Current portion of long-term debt Long-term Debt, Current Maturities Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Buildings and improvements Buildings and Improvements, Gross Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Event of default, option to accelerate amounts due, minimum percentage of aggregate principal amount of debt held Debt Instrument, Debt Default, Option to Accelerate Amounts Due, Minimum Percentage of Aggregate Principal Amount of Debt Held Debt Instrument, Debt Default, Option to Accelerate Amounts Due, Minimum Percentage of Aggregate Principal Amount of Debt Held Subsequent Event Subsequent Event [Member] Geographical [Axis] Geographical [Axis] WRF Wynn Resorts Finance, LLC [Member] Wynn Resorts Finance, LLC [Member] Change in derivatives fair value Unrealized Gain (Loss) on Derivatives Interest expense, net of amounts capitalized Interest Expense Stock-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [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] Cash paid for interest, net of amounts capitalized Interest Paid, Excluding Capitalized Interest, Operating Activities Statement [Table] Statement [Table] Percentage of ownership Noncontrolling Interest, Ownership Percentage by Parent Schedule of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Preferred stock, shares issued Preferred Stock, Shares Issued Total customer contract liabilities Total Customer Contract Liabilities Total Customer Contract Liabilities Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Income Tax Examination [Line Items] Income Tax Examination [Line Items] On or After April 15, 2022 Debt Instrument, Redemption, Period Two [Member] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] 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. Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Geographic Concentration Risk Geographic Concentration Risk [Member] Total other operating expenses Other Cost and Expense, Operating Subsequent Event Type [Domain] Subsequent Event Type [Domain] Fair value, excluding the redemption note Debt Instrument, Fair Value, Excluding The Redemption Note Debt Instrument, Fair Value, Excluding The Redemption Note Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Accounting Policies [Abstract] Accounting Policies [Abstract] Long-term debt Total long-term debt, net of current portion Long-term Debt, Excluding Current Maturities Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Available borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Cash, Cash Equivalents and Restricted Cash Cash and Cash Equivalents Disclosure [Text Block] Interest rate collar Derivative Liability Debt Instrument [Axis] Debt Instrument [Axis] Accounts receivable, allowance for credit losses Less: allowance for credit losses Allowance for Doubtful Accounts Receivable, Current General and administrative Selling, General and Administrative Expense Shares repurchased by the Company and held as treasury shares Treasury Stock, Value, Acquired, Cost Method Unusual or Infrequent Item, or Both [Domain] Unusual or Infrequent Item, or Both [Domain] Gaming Taxes Gaming Taxes Policy [Policy Text Block] Gaming Taxes Policy Net cash (used in) provided by operating activities Net Cash Provided by (Used in) Operating Activities Change in other gaming related liabilities Change in other gaming related liabilities Change in other gaming related liabilities Fair Value, Hierarchy Fair Value Hierarchy and NAV [Axis] Furniture, fixtures and equipment Furniture and Fixtures, Gross Security Exchange Name Security Exchange Name Denominator: Weighted Average Number Of Shares Outstanding, Basic And Diluted [Abstract] Weighted Average Number Of Shares Outstanding, Basic And Diluted [Abstract] Cancellation of restricted stock (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Advanced room deposits and ticket sales Advanced room deposits and ticket sales Advanced room deposits and ticket sales Customer deposits Contract with Customer, Liability, Current Ownership [Axis] Ownership [Axis] Document Transition Report Document Transition Report Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Summary of Long-Term Debt Schedule of Long-term Debt Instruments [Table Text Block] Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Net income (loss) Net income (loss) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Deferred income taxes, net Deferred Income Tax Assets, Net Subsequent Event Type [Axis] Subsequent Event Type [Axis] First Fiscal Quarter of the Financial Covenant Increase Period First Fiscal Quarter Of The Financial Covenant Increase Period [Member] First Fiscal Quarter Of The Financial Covenant Increase Period Interest in addition to variable rate Debt Instrument, Basis Spread on Variable Rate Net income (loss) attributable to Wynn Resorts, Limited Net income (loss) attributable to Wynn Resorts, Limited Net Income (Loss) Attributable to Parent Cash dividends declared Amount recorded as reduction of retained earnings from cash dividends declared Dividends, Cash WLV Wynn Las Vegas, LLC and Wynn Las Vegas Capital Corp [Member] Wynn Las Vegas, LLC and Wynn Las Vegas Capital Corp Total liabilities Liabilities Liabilities Macau MACAU Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Payments for financing costs Payments of Debt Issuance Costs Other gaming related liabilities Other gaming related liabilities Other gaming related liabilities Senior Secured Term Loan Secured Debt [Member] Retail Term Loan, due 2025 Retail Term Loan Agreement [Member] Retail Term Loan Agreement [Member]