Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Wynn Las Vegas, LLC and Wynn Las Vegas Capital Corp Wynn Las Vegas, LLC and Wynn Las Vegas Capital Corp [Member] Wynn Las Vegas, LLC and Wynn Las Vegas Capital Corp Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] 2020 First Mortgage Notes 2020 First Mortgage Notes [Domain] 2020 First Mortgage Notes- Includes 7 7/8 % and 7 3/4% First Mortgage Notes due August, 2020 Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Mortgages Mortgages [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] Gains (losses) on extinguishment of debt Gains (Losses) on Extinguishment of Debt Fair value of debt instrument Debt Instrument, Fair Value Disclosure Long-term debt Long-term Debt Payments of Debt Extinguishment Costs Payments of Debt Extinguishment Costs Extinguishment of Debt, Fees included in Gain (Loss) Extinguishment of Debt, Fees included in Gain (Loss) Extinguishment of Debt, Fees included in Gain (Loss) 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] 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 Long-term debt due date Debt Instrument, Maturity Date 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 costs and 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 costs 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 costs and expenses Costs and Expenses Operating income Operating Income (Loss) Other income (expense): Nonoperating Income (Expense) [Abstract] Interest income Investment Income, Interest Interest expense Interest Expense Loss on extinguishment of debt Losses On Extinguishment Of Debt Amount represents (1) the difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity and/or (2) the write-off of amounts capitalized as deferred financing costs associated with the extinguishment prior to maturity. Equity in income from unconsolidated affiliates Income (Loss) from Equity Method Investments Other income (expense), net Nonoperating Income (Expense) Net income (loss) Net Income (Loss) Attributable to Parent Other comprehensive income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Property, Plant and Equipment [Abstract] Property and Equipment, net Property, Plant and Equipment Disclosure [Text Block] Statement of Cash Flows [Abstract] Comprehensive Income (Loss), Net of Tax, Attributable to Parent Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income (loss) 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] Stock-based compensation expense Share-based Compensation Amortization of financing costs Amortization of Financing Costs Loss on extinguishment of debt Increase (Decrease) in Other Operating Assets 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. Equity in income of unconsolidated affiliates, net of distributions Income (Loss) from Equity Method Investments, Net of Dividends or Distributions 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 (used in) 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 flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from issuance of long-term debt Proceeds from Issuance of Long-term Debt Restricted cash Increase (Decrease) in Restricted Cash Repurchase of first mortgage notes Repurchase of First Mortgage Notes Cash outflows from repurchase of first mortgage notes Payments of financing costs Payments of Debt Issuance Costs Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Cash and cash equivalents: Cash and Cash Equivalents, Period Increase (Decrease) [Abstract] Decrease in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Balance, beginning of period Cash and Cash Equivalents, at Carrying Value Balance, end of period Schedule of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] 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 Organization and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] 4 1/4% Wynn Las Senior Notes Due May 30, 2023 Four And One Over Four Percentage Wynn Las Senior Notes Due May Thirty Twenty Twenty Three [Member] Four And One Over Four Percentage Wynn Las Senior Notes Due May Thirty Twenty Twenty Three [Member] Senior Notes Senior Notes [Member] Debt Instrument, Maturity Date Long-term debt total Current portion of long-term debt Long-term Debt, Current Maturities Non current portion of long-term debt Long-term Debt, Excluding Current Maturities 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 Related Party Transactions [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Property Subject to or Available for Operating Lease [Axis] Property Subject to or Available for Operating Lease [Axis] Property Subject to or Available for Operating Lease [Domain] Property Subject to or Available for Operating Lease [Domain] Lease Agreement [Axis] Lease Agreement [Axis] Lease Agreement [Axis] Lease Agreement [Domain] Lease Agreement [Domain] Lease Agreement [Domain] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Wynn Resorts Wynn Resorts [Member] Wynn Resorts [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Due to affiliates, net Due to Related Parties, Current 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 support service 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 Receivables [Abstract] 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] Retail leases and 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 Receivables, net Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Summary of Long-Term Debt Schedule of Long-term Debt Instruments [Table Text Block] Property Charges and Other [Abstract] Property Charges and Other [Abstract] Property Charges and Other Property Charges And Other [Text Block] Entire disclosure for 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. Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Accounting Policies [Abstract] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Long-Term Debt Long-term Debt [Text Block] 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 Summary Of Estimated Cost Of Promotional Allowance [Table Text Block] Summary of estimated cost of promotional allowance. Estimated Retail Value of Promotional Allowances Revenue from Hotels [Abstract] Rooms Promotional Allowances, Rooms Promotional Allowances, Rooms Food and beverage Promotional Allowances, Food and Beverage Promotional Allowances, Food and Beverage Entertainment, retail and other Promotional Allowances, Entertainment, Retail and Other Promotional Allowances, Entertainment, Retail and Other Total Estimated Cost of Promotional Allowances Direct Costs of Hotels [Abstract] Rooms Costs of Promotional Allowances, Rooms Costs of Promotional Allowances, Rooms Food and beverage Costs of Promotional Allowances, Food and Beverage Costs of Promotional Allowances, Food and Beverage Entertainment, retail and other Costs of Promotional Allowances, Entertainment, Retail and Other Costs of Promotional Allowances, Entertainment, Retail and Other Total Costs of Promotional Allowances Costs of Promotional Allowances 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] Deferred Financing Costs Deferred Charges, 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] Schedule Of Commitments And Contingencies [Table] Schedule Of Commitments And Contingencies [Table] Schedule Of Commitments And Contingencies [Table] Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] Redemption Action and Counterclaim Redemption Action and Counterclaim [Member] Redemption Action and Counterclaim [Member] Derivative Claims Derivative Claims [Member] Derivative Claims [Member] Federal Plaintiffs Federal Plaintiffs [Member] Federal Plaintiffs [Member] Litigation Status [Axis] Litigation Status [Axis] Litigation Status [Domain] Litigation Status [Domain] Pending Litigation Pending Litigation [Member] Jurisdiction [Axis] Jurisdiction [Axis] Statutory Accounting Practices, Jurisdiction [Domain] Statutory Accounting Practices, Jurisdiction [Domain] United States District Court, District of Nevada United States District Court, District of Nevada [Member] United States District Court, District of Nevada [Member] Eighth Judicial District Court of Clark County, Nevada Eighth Judicial District Court of Clark County, Nevada [Member] Eighth Judicial District Court of Clark County, Nevada [Member] 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] 2022 Indenture Two Thousand Twenty Five Indenture [Member] Two Thousand Twenty Five Indenture [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 Call period after a change of control and subsequent credit rating condition Debt Instrument, Call Period, Change of Control and Subsequent Credit Rating Condition Debt Instrument, Call Period, Change of Control and Subsequent Credit Rating Condition Interest payments due Interest Expense, Long-term Debt Interim status update period Loss Contingency, Interim Status Update Period Loss Contingency, Interim Status Update Period Period of stay Loss Contingency, Period of Stay Loss Contingency, Period of Stay Number of derivative actions Loss Contingency, New Claims Filed, Number Period to file amended complaint after dismissal Loss Contingency, Period to File Amended Complaint After Dismissal Loss Contingency, Period to File Amended Complaint After Dismissal Summary of Significant Accounting Policies [Table] Schedule of Equity Method Investments [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Prior Period Reclassification Restatement Adjustment [Member] 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] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2015-03 Accounting Standards Update 2015-03 [Member] Accounting Standards Update 2015-03 [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Long-term Debt Long-term Debt [Member] Accounting Policies [Line Items] Schedule of Equity Method Investments [Line Items] Deferred financing costs, net Deferred Finance Costs, Noncurrent, Net 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. Payments to Acquire Property, Plant, and Equipment Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Receivables, net Inventories Inventory, Net Prepaid expenses and other Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property and equipment, net Property, Plant and Equipment, Net Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Other assets Other Assets, Noncurrent Investment in unconsolidated affiliates Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures 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 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: Stockholders' Equity Attributable to Parent [Abstract] Contributed capital Members' Capital Accumulated deficit Retained Earnings (Accumulated Deficit) Total member's deficit Members' Equity Total liabilities and member's deficit Liabilities and Equity 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 Summary of Receivables, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Related Party Transactions Related Party Transactions Disclosure [Text Block]