Related Party Transactions [Abstract] Related Party Transactions Related Party Transactions Disclosure [Text Block] Accounting Policies [Abstract] Schedule of Product Information [Table] Schedule of Product Information [Table] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] Rooms [Member] Rooms [Member] Rooms [Member] Food And Beverage [Member] Food And Beverage [Member] Food And Beverage [Member] Entertainment Retail And Other [Member] Entertainment Retail And Other [Member] Entertainment Retail And Other [Member] Product Information [Line Items] Product Information [Line Items] Costs of Promotional Allowances Costs of Promotional Allowances Costs of Promotional Allowances Equity Method Investments and Joint Ventures [Abstract] Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Asset under Construction Asset under Construction [Member] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Retail Joint Venture Retail Joint Venture [Member] Retail Joint Venture [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Wynn Resorts Wynn Resorts [Member] Wynn Resorts [Member] Schedule of Variable Interest Entities [Line Items] Schedule of Equity Method Investments [Line Items] Approximate square feet Functional Area Square Footage Functional Area Square Footage. Net book value of assets and liabilities transferred for joint venture Net Book Value Of Assets And Liabilities Transferred For Joint Venture The net book value of assets and liabilities associated with exiting Wynn Las Vegas retail stores transferred to the Retail Joint Venture. Joint venture note receivable Joint Venture Note Receivable Note receivable for the remaining consideration received for the ownership interest sold in the Retail Joint Venture. Net assets of additional retail space transferred to WRL Net Assets Of Additional Retail Space Transferred To Affiliate Net assets associated with additional retail space under construction at Wynn Las Vegas transferred to Wynn Resorts. Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Membership Interests Description Membership Interests Description Membership Interests Description Property, Plant and Equipment [Abstract] Schedule of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Receivables [Abstract] Receivables, net Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Debt Disclosure [Abstract] Summary of Long-Term Debt Schedule of Long-term Debt Instruments [Table Text Block] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Senior Notes Senior Notes [Member] Mortgages Mortgages [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] 5 3/8% Wynn Las Vegas First Mortgage Notes, Due March 15, 2022 Five And Three Over Eight Percentage Wynn Las Vegas First Mortgage Notes Due March Fifteen Two Thousand Twenty Two [Member] Five And Three Over Eight Percentage Wynn Las Vegas First Mortgage Notes Due March Fifteen Two Thousand Twenty Two [Member] 4 1/4% Senior Notes, Due May 30, 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] 5 1/2% Senior Notes, Due March 1, 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] Debt Instrument [Line Items] Debt Instrument [Line Items] Long-term debt total Long-term Debt Current portion of long-term debt Long-term Debt, Current Maturities Non current portion of long-term debt Long-term Debt, Excluding Current Maturities Unamortized debt issuance and original issuance discount (premium) Unamortized debt issuance and original issuance discount (premium) Unamortized debt issuance costs and original issuance discount or premium Debt instrument, interest rate Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Maturity Date Debt Instrument, Maturity Date Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Summary of Receivables, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Retail Joint Venture Variable Interest Entity Disclosure [Text Block] Land and improvements Land Buildings and improvements Buildings and Improvements, Gross Furniture, fixtures and equipment Furniture and Fixtures, Gross Construction in progress Construction in Progress, Gross Total property and equipment, gross Property, Plant and Equipment, Gross Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property and equipment, net Property, Plant and Equipment, Net Principles of Consolidation Consolidation, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Accounts Receivable and Credit Risk Trade and Other Accounts Receivable, Policy [Policy Text Block] Revenue Recognition and Promotional Allowances Revenue Recognition, Policy [Policy Text Block] Gaming Taxes Gaming Taxes Policy [Policy Text Block] Gaming Taxes Policy Stock-Based Compensation Compensation Related Costs, Policy [Policy Text Block] Recently Issued and Adopted Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Fair value of debt instrument Debt Instrument, Fair Value Disclosure Long-term debt, excluding debt issuance costs and original issue discount and premium Long-term debt, excluding debt issuance costs and original issue discount and premium Long-term debt, excluding debt issuance costs and original issue discount and premium Schedule Of Commitments And Contingencies [Table] Schedule Of Commitments And Contingencies [Table] Schedule Of Commitments And Contingencies [Table] Title of Individual [Axis] Title of Individual [Axis] Relationship to Entity [Domain] Relationship to Entity [Domain] Director Director [Member] Aruze USA, Inc. Aruze United States Of America Inc [Member] Aruze United States Of America Inc [Member] Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] Derivative Claims Derivative Claims [Member] Derivative Claims [Member] Litigation Status [Axis] Litigation Status [Axis] Litigation Status [Domain] Litigation Status [Domain] Pending Litigation Pending Litigation [Member] 2023 Indenture Two thousand twenty three indenture [Member] Two thousand twenty three indenture [Member] Redemption Price Promissory Note With Former Stockholder And Related Party Due February Eighteen Two Thousand Twenty Two Redemption Price Promissory Note With Former Stockholder And Related Party Due February Eighteen Two Thousand Twenty Two [Member] Redemption Price Promissory Note with Former Stockholder And Related Party, Due February Eighteen, Two Thousand Twenty Two [Member] Schedule Of Commitments And Contingencies [Line Items] Schedule Of Commitments And Contingencies [Line Items] Schedule Of Commitments And Contingencies [Line Items] Percentage of shares voted in favor of removal of Mr. Okada Percentage Of Voting In Favor Of Removal Percentage Of Voting In Favor Of Removal Of Director Number of shares voted (over 86 mil) Common Stock Number Of Votes Common Stock Number Of Votes Common stock redeemed, shares Stock Redeemed or Called During Period, Shares Redemption price promissory note, principal amount Debt Instrument, Face Amount Debt purchase price percentage of aggregate principal amount Debt Purchase Price Percent Of Principal Amount Debt Purchase Price Percent Of Principal Amount Interest payments due Interest Expense, Long-term Debt Number of derivative actions Loss Contingency, New Claims Filed, Number Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Legal Entity of Counterparty, Type [Axis] Legal Entity of Counterparty, Type [Axis] Legal Entity Type of Counterparty [Domain] Legal Entity Type of Counterparty [Domain] Casino Casino [Member] Casino [Member] Hotel Hotel [Member] Other Retail Leases And Other [Member] Retail Leases And Other [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Receivables, gross Accounts Receivable, Gross, Current Less: allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Receivables, net Receivables, Net, Current Long-Term Debt Long-term Debt [Text Block] Income Statement [Abstract] Operating revenues: Revenues [Abstract] Casino Casino Revenue Rooms Occupancy Revenue Food and beverage Food and Beverage Revenue Entertainment, retail and other Entertainment Retail And Other Revenue Revenue earned during the period from shows, retail outlets, convention space, spa, salon, wedding salon, golf course and other. Gross revenues Gross Revenue Aggregate revenue earned from hotel, casino, food and beverage, entertainment, retail, and other operations. This amount includes the retail value of complimentary provided on a routine basis as part of our normal day to day operations. Less: promotional allowances Promotional Allowances Net revenues Revenue, Net Operating expenses: Costs and Expenses [Abstract] Casino Casino Expenses Rooms Occupancy Costs Food and beverage Food and Beverage, Cost of Sales Entertainment, retail and other Entertainment Retail And Other Costs Costs incurred during the period related to generating revenue from shows, retail outlets, convention space, spa, salon, wedding salon, golf course, and other operations. General and administrative Selling, General and Administrative Expense Provision for doubtful accounts Provision for Doubtful Accounts Management and license fees Management Fee Expense Pre-opening Pre-Opening Costs Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction 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. Total operating expenses Costs and Expenses Operating income Operating Income (Loss) Other income (expense): Nonoperating Income (Expense) [Abstract] Interest income Investment Income, Interest Interest expense, net of amounts capitalized Interest Expense Equity in income from unconsolidated affiliates Income (Loss) from Equity Method Investments Other income (expense), net Nonoperating Income (Expense) Net income Net Income (Loss) Attributable to Parent Other comprehensive income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Total comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Receivables, net Inventories Inventory, Net Prepaid expenses and other Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property and equipment, net Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Other assets Other Assets, Noncurrent Total assets Assets LIABILITIES AND MEMBER'S DEFICIT Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Customer deposits Customer Deposits, Current 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. Accrued compensation and benefits Employee-related Liabilities, Current Accrued interest Interest Payable, Current Other accrued liabilities Other Accrued Liabilities, Current Due to affiliates, net Due to Related Parties, Current Total current liabilities Liabilities, Current Long-term debt Other long-term liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies (Note 8) Commitments and Contingencies Member's deficit Members' Equity Total liabilities and member's deficit Liabilities and Equity Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income 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] Stock-based compensation expense Share-based Compensation Amortization of deferred financing costs Amortization of Debt Issuance Costs 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. Increase (decrease) in cash from changes in: Increase (Decrease) in Operating Capital [Abstract] Receivables, net Increase (Decrease) in Receivables Inventories and 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. Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Due to affiliates, net Increase (Decrease) in Due to Affiliates Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Capital expenditures, net of construction payables and retention Payments to Acquire Property, Plant, and Equipment Return of investment in unconsolidated affiliates Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital Purchase of other assets Payments for (Proceeds from) Other Investing Activities Due to affiliates, net Due To And From Affiliates Net The investing cash inflow/outflow to or from an entity that is controlling, under the control of, or within the same control group as the reporting entity by means of direct or indirect ownership. Proceeds from sale of assets Proceeds from Sale of Productive Assets Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash and cash equivalents: Cash and Cash Equivalents, Period Increase (Decrease) [Abstract] Increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Balance, beginning of period Balance, end of period Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization Consolidation And Presentation Of Financial Statements Disclosure [Table] Organization, Consolidation and Presentation of Financial Statements Disclosure [Table] Wynn Capital Wynn Las Vegas Capital Corporation [Member] Wynn Las Vegas Capital Corporation [Member] 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] Common stock, authorized (in shares) Common Stock, Shares Authorized Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Company owned, share issued and outstanding (in shares) Investment Owned, Balance, Shares Property and Equipment, net Property, Plant and Equipment Disclosure [Text Block] Organization and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Axis] Related Party Transaction [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Retail Services Agreement Retail Services Agreement [Member] Retail Services Agreement [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Management fee as percentage of net revenues Management Fee Percentage The percentage of Net Revenues charged to the subsidiary by the Parent Company associated with the day to day management services of the subsidiary provided by the Parent Company. Corporate expense allocations Corporate Expense Allocations Expenses allocated to the subsidiary by the Parent Company related to corporate support services. Intellectual property fee, percent of gross monthly revenues Intellectual Property License Fee, Percent of Gross Monthly Revenues Intellectual Property License Fee, Percent of Gross Monthly Revenues Percent of gross monthly revenues, subsequent to termination of original lease agreement Intellectual Property License Fee, Percent of Gross Monthly Revenues, subsequent to termination of original lease agreement Intellectual Property License Fee, Percent of Gross Monthly Revenues, subsequent to termination of original lease agreement License fees Taxes and Licenses Charge for retail service agreement Due from Related Parties Promotional Allowances Summary Estimated Retail Value of Promotional Allowance Estimated Retail Value of Promotional Allowance [Table Text Block] Estimated Retail Value of Promotional Allowance Summary Estimated Cost of Promotional Allowances Estimated Cost Of Promotional Allowance [Table Text Block] Summary of estimated cost of promotional allowance. Summary of Significant Accounting Policies [Table] Investment, Name [Axis] Investment, Name [Axis] Investment, Name [Domain] Investment, Name [Domain] Ferrari And Maserati Automobile Dealership Ferrari And Maserati Automobile Dealership [Member] Ferrari And Maserati Automobile Dealership [Member] Accounting Policies [Line Items] Percentage of ownership in joint ventures Equity Method Investment, Ownership Percentage Percentage of credit markers due from customers residing outside of United States Percentage Of Credit Markers Due From Customers Residing Outside Of United States Percentage of credit markers due from customers residing outside of the United States. Gaming tax expenses Gaming Tax Expenses Gaming tax expense.