Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Accounting Policies [Abstract] 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 [Text Block] Gaming Taxes Policy Stock-Based Compensation Compensation Related Costs, Policy [Policy Text Block] Debt Disclosure [Abstract] Summary of Long-Term Debt Schedule of Long-term Debt Instruments [Table Text Block] Income Statement [Abstract] Statement [Table] Statement [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Statement [Line Items] Statement [Line Items] 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, and golf course. Gross revenues Sales Revenue, Services, Other 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, and golf course operations. General and administrative Selling, General and Administrative Expense Provision (benefit) for doubtful accounts Provision (Benefit) for Doubtful Accounts Provision (Benefit) for Doubtful Accounts Management fees Management Fee Expense 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 and 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 and other 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 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 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] 7 7/8% Wynn Las Vegas First Mortgage Notes, Due May 1, 2020 Seven And Seven Over Eight Percentage Wynn Las Vegas First Mortgage Notes Due Mayone Two Thousand Twenty [Member] Seven And Seven Over Eight Percentage Wynn Las Vegas First Mortgage Notes Due Mayone Two Thousand Twenty [Member] 7 3/4% Wynn Las Vegas First Mortgage Notes, Due August 15, 2020 Seven And Three Over Four Wynn Las Vegas First Mortgage Notes Due Augustfifteen Two Thousand Twenty [Member] Seven And Three Over Four Wynn Las Vegas First Mortgage Notes Due Augustfifteen Two Thousand Twenty [Member] 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] $42 Million Note Payable, Due April 1, 2017 Fourty Two Million Dollar Note Payable Due Aprilone Two Thousand Seventeen [Member] Fourty Two Million Dollar Note Payable Due Aprilone Two Thousand Seventeen [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Payable to Affiliate Due to Affiliate 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 Property, Plant and Equipment [Abstract] Schedule of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] 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 Debt repurchase amount Debt Instrument, Repurchase Amount, Carrying Value Carrying value amount of debt instrument that was repurchased Debt repurchase expenses Payments of Debt Extinguishment Costs Debt instrument, interest rate Debt Instrument, Interest Rate, Stated Percentage Debt instrument, maturity date Debt Instrument, Maturity Date Long-term debt Fair value of debt instrument Debt Instrument, Fair Value Disclosure Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] 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 and Equipment, net Property, Plant and Equipment Disclosure [Text Block] Property Charges and Other [Abstract] Property Charges and Other [Abstract] Receivables, net Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Promotional Allowance [Table] Promotional Allowance [Table] Promotional Allowance [Table] Promotional Allowances [Axis] Promotional Allowances [Axis] Promotional Allowances [Axis] Promotional Allowances [Domain] Promotional Allowances [Domain] Promotional Allowances [Domain] Rooms Rooms [Member] Rooms [Member] Food and Beverage Food And Beverage [Member] Food And Beverage [Member] Entertainment Retail and Other Entertainment Retail And Other [Member] Entertainment Retail And Other [Member] Promotional Allowances [Line Items] Promotional Allowance [Line Items] Promotional Allowance [Line Items] Estimated costs of promotional allowances primarily included in casino expense Estimated Costs Of Promotional Allowances Primarily Included In Casino Expenses Estimated Costs Of Promotional Allowances Primarily Included In Casino Expenses Land and improvements Land Buildings and improvements Buildings and Improvements, Gross Airplane Flight Equipment Owned, 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 Organization and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [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] Wynn Resorts Wynn Resorts [Member] Wynn Resorts [Member] 2020 Indenture Two Thousand Twenty Indenture [Member] Two Thousand Twenty Indenture [Member] 2022 Indenture Two Thousand Twenty Two Indenture [Member] Two Thousand Twenty Two 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 Original issue discount Debt Instrument, Unamortized Discount Long-term debt due date Debt instrument, principal amount Interest in addition to LIBOR Debt Instrument, Basis Spread on Variable Rate 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] Second Amendment Second Amendment and Restated Agreement of Lease [Member] Second Amendment and Restated Agreement of Lease [Member] Lease Agreement [Axis] Lease Agreement [Axis] Lease Agreement [Axis] Lease Agreement [Domain] Lease Agreement [Domain] Lease Agreement [Domain] Existing SW Lease S W Lease [Member] S W Lease [Member] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Due to affiliates, net Due to Related Parties, Current Management fee payable Management Fee Due To Affiliate The amount payable to the Parent Company associated with the day to day management services of the subsidiary provided by the Parent Company. 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. Operating leases, minimum rentals per month Operating Leases, Minimum Annual Lease Revenue Operating Leases, Minimum Annual Lease Revenue Frequency of rental valuation Rental Property, Valuation Frequency Rental Property, Valuation Frequency Lease facility area Lease Facility Area Lease Facility Area Notice required for lease termination Notice Required For Lease Termination Notice required for lease termination at Villa Suite, days Operating lease, minimum rentals per month Operating Leases, Minimum Rentals Per Period Operating Leases, Minimum Rentals Per Period 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. 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) Deferred financing costs, net Deferred Finance Costs, Noncurrent, Net Deposits and 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 EQUITY (DEFICIT) Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Current portion of long-term debt 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 Due to affiliates, net Due to Related Parties, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies (Note 8) Commitments and Contingencies Member’s equity (deficit): Stockholders' Equity Attributable to Parent [Abstract] Contributed capital Members' Capital Accumulated deficit Retained Earnings (Accumulated Deficit) Total member’s equity (deficit) Members' Equity Total liabilities and member’s equity (deficit) Liabilities and Equity 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. Adjustment effect in operating income Change In Accounting Estimate Financial Effect Operating Income Change in accounting estimate, financial effect on Operating Income. (Provision) benefit for doubtful accounts Gaming tax expenses Gaming Tax Expenses Gaming tax expense. Stock-based compensation expense Share-based Compensation Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [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] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Cash And Cash Equivalents Maximum Maturity Term Months Cash And Cash Equivalents Maximum Maturity Term Months Cash And Cash Equivalents Maximum Maturity Term Months Percentage of ownership in joint ventures Equity Method Investment, Ownership Percentage Related Party Transactions Related Party Transactions Disclosure [Text Block] Summary Estimated Cost of Promotional Allowances Summary Of Estimated Cost Of Promotional Allowance [Table Text Block] Summary of estimated cost of promotional allowance. Summary of Receivables, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Statement of Cash Flows [Abstract] 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 operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Amortization and write-off of deferred financing costs and other Amortization Of Deferred Financing Costs Amortization and or write-offs of cash outflows paid to third parties in connection with debt origination, which will occur over the remaining maturity period of the associated long-term debt. Loss on extinguishment of debt Property charges and other Noncash Project Abandonment Costs 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 (From) Affiliates Increase (Decrease) In Due To (From) 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 Deposits and purchase of other assets Payments For Deposits And Other Assets Net cash inflow or (outflow) from other deposits and/or other assets not otherwise defined in the taxonomy. Due to affiliates, net Increase (Decrease) Due from Affiliates 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] Principal payments on long-term debt Repayments of Long-term Debt Proceeds from issuance of long-term debt Proceeds from Issuance of Long-term Debt Restricted cash for redemption of notes payable Proceeds from (Repayments of) Restricted Cash, Financing Activities 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 used in financing activities Net Cash Provided by (Used in) Financing Activities Cash and cash equivalents: Cash and Cash Equivalents, Period Increase (Decrease) [Abstract] Increase in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Balance, beginning of period Balance, end of period Long-Term Debt Long-term Debt [Text Block]