Property, Plant and Equipment [Abstract] Property and Equipment, net Property, Plant and Equipment Disclosure [Text Block] Schedule of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Quarterly Financial Information Disclosure [Abstract] Quarterly Financial Information Schedule of Quarterly Financial Information [Table Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Casino Casino [Member] Casino [Member] 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] General and Administrative General and Administrative Expense [Member] Employee Service Share-based Compensation, Allocation of Recognized Period Costs Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Total stock-based compensation expense Share-based Compensation Subsequent Events [Abstract] Property Charges and Other [Abstract] Property Charges and Other [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. Accounting Policies [Abstract] Schedule of Estimated Useful Lives of Assets Schedule Of Estimated Useful Lives Of Assets Table [Text Block] Schedule of estimated useful lives of assets [Table 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. 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 Stockholders' Equity [Abstract] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Beginning Balance Stockholders' Equity Attributable to Parent Net income (loss) Net Income (Loss) Attributable to Parent Parent company stock-based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Distributions to Wynn Resorts, Limited Distribution To Parent Distribution to parent. Ending Balance Postemployment Benefits [Abstract] Total Compensation Cost Relating Both to Stock Options and Nonvested Stock Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Depreciation expense Depreciation 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] Organization, Consolidation and Presentation of Financial Statements Disclosure [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] 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 Common Stock, Shares Authorized Common stock, par value Common Stock, Par or Stated Value Per Share Company owned, share issued and outstanding Investment Owned, Balance, Shares Valuation and Qualifying Accounts [Abstract] Valuation and Qualifying Accounts Disclosure [Table] Valuation and Qualifying Accounts Disclosure [Table] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves [Domain] Valuation Allowances and Reserves [Domain] Valuation and Qualifying Accounts Disclosure [Line Items] Valuation and Qualifying Accounts Disclosure [Line Items] Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Related Party Transactions [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Wynn Las Vegas [Member] Wynn Las Vegas [Member] Wynn Las Vegas [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Lease Agreement [Axis] Lease Agreement [Axis] Lease Agreement [Axis] Lease Agreement [Domain] Lease Agreement [Domain] Lease Agreement [Domain] After Amendment Lease agreement [Member] Lease agreement [Member] S W Lease [Member] S W Lease [Member] S W Lease [Member] Related Party Transaction 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. Payment for Management Fee Payment for Management Fee Management fee as a 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 license fee, percent of monthly revenue Intellectual property license fee, percent of monthly revenue Intellectual property license fee, percent of monthly revenue Intellectual property license fee, percent of monthly revenue subsequent to termination Intellectual property license fee, percent of monthly revenue subsequent to termination Intellectual property license fee, percent of monthly revenue subsequent to termination Taxes and Licenses Taxes and Licenses Notice required for lease termination (days) Notice Required For Lease Termination Notice required for lease termination at Villa Suite, days Rental value Operating Leases, Income Statement, Lease Revenue rental property valuation frequency rental property valuation frequency rental property valuation frequency Surname Rights Agreement expiration date Surname Rights Agreement Expiration Date Surname Rights Agreement Expiration Date Lease facility area (acres) Lease Facility Area Lease Facility Area Equity distribution Equity distribution Distribution of equity interest of a wholly owned subsidiary. 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 Receivables, Net, Current 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) 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 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 Long-term Debt, Excluding Current Maturities Due to affiliates, net Due to Related Parties, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies (Note 9) 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 Summary of Significant Accounting Policies Significant Accounting Policies [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 Property, Plant and Equipment, Gross, Total Property, Plant and Equipment, Gross Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property and equipment, net Percentage of ownership in joint ventures Equity Method Investment, Ownership Percentage Capitalized interest Interest Costs Capitalized Percentage of credit markers due from customers residing outside of the 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. Amount amortized to interest expense Amortization of Financing Costs and Discounts Total advertising costs Advertising Expense Cash and cash equivalents maturity period Cash And Cash Equivalents Maximum Maturity Term Months Cash And Cash Equivalents Maximum Maturity Term Months Schedule of Indefinite-Lived Intangible Assets [Table] Schedule of Indefinite-Lived Intangible Assets [Table] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Trademarks [Member] Trademarks [Member] Indefinite-lived Intangible Assets [Line Items] Indefinite-lived Intangible Assets [Line Items] Indefinite-Lived Intangible Assets (Excluding Goodwill) Indefinite-Lived Intangible Assets (Excluding Goodwill) Net revenues Revenue, Net Operating income Operating Income (Loss) Related Party Transactions, net Related Party Transactions Disclosure [Text Block] Receivables [Abstract] Receivables, net Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Benefit Plans Compensation and Employee Benefit Plans [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 Sales Revenue, Services, Other Less: promotional allowances Promotional Allowances Net revenues 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 Total operating costs and expenses Costs and Expenses Operating income 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) 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 Debt Disclosure [Abstract] Summary of Long-Term Debt Schedule of Long-term Debt Instruments [Table Text Block] Compensation and Retirement Disclosure [Abstract] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Multiemployer Plan Name [Axis] Multiemployer Plan Name [Axis] Multiemployer Plan Name [Domain] Multiemployer Plan Name [Domain] Southern Nevada Culinary and Bartenders Pension Plan Southern Nevada Culinary and Bartenders Pension Plan [Member] Southern Nevada Culinary and Bartenders Pension Plan [Member] Multiemployer Plan Type [Axis] Multiemployer Plan Type [Axis] Multiemployer Plans Type [Domain] Multiemployer Plans Type [Domain] Multi-employer pension plan Multiemployer Plans, Pension [Member] Defined Contribution Plan Type [Axis] Defined Contribution Plan Type [Axis] Defined Contribution Plan Type [Domain] Defined Contribution Plan Type [Domain] 401(k) Plan United States Pension Plan of US Entity [Member] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Omnibus Plan Omnibus Plan [Member] Omnibus Plan [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Defined Benefit Plan Disclosure Defined Benefit Plan Disclosure [Line Items] Employee matching contribution percentage Defined Contribution Plan, Employer Matching Contribution, Percent of Match Employer matching contribution, percent of employees' pay checks Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Defined Contribution Plan, Maximum Annual Contributions Per Employee, Amount Defined Contribution Plan Maximum Annual Employer Matching Contribution Per Employee Defined Contribution Plan Maximum Annual Employer Matching Contribution Per Employee Retirement savings plan contribution expense Defined Contribution Plan, Cost Recognized Multi-employer pension plan contributions Multiemployer Plan, Period Contributions Multi-employer plan contributions percentage Multiemployer Plan Contributions Percentage The percentage of total contributions to multiemployer plans that the employer contributions exceeded for the year. Common shares reserved for future issuance Common Stock, Capital Shares Reserved for Future Issuance Maximum term of stock options Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Principles of Consolidation Consolidation, Policy [Policy Text Block] Use of Estimates Use of Estimates, 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] Inventories Inventory, Policy [Policy Text Block] Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Capitalized Interest Interest Capitalization, Policy [Policy Text Block] Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Deferred Financing Costs Deferred Financing Costs Policy [Text Block] Deferred Financing Costs Policy [Text Block] Derivative Financial Instruments Derivatives, Policy [Policy Text Block] Revenue Recognition and Promotional Allowances Revenue Recognition, Policy [Policy Text Block] Customer Loyalty Program Customer Loyalty Program Policy [Text Block] Customer Loyalty Program Policy [Text Block] Slot Machine Jackpots Slot Machine Jackpots Policy [Text Block] Slot Machine Jackpots Policy [Text Block] Gaming Taxes Gaming Taxes Policy [Text Block] Gaming Taxes Policy Advertising Costs Advertising Costs, Policy [Policy Text Block] Pre-Opening Costs Preopening Costs Policy [Text Block] Pre Opening Costs Policy [Text Block] Stock-Based Compensation Compensation Related Costs, Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Recently Issued Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Quarterly Financial Information (Unaudited) Quarterly Financial Information [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] Promotional Allowances 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 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 Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Current Reporting Status Entity Current Reporting Status Entity Voluntary Filers Entity Voluntary Filers Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Public Float Entity Public Float Membership Interests Description Membership Interests Description Membership Interests Description Equity [Abstract] Cash distribution to parent Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Paid Commitments and Contingencies Disclosure [Abstract] Schedule Of Commitments And Contingencies [Table] Schedule Of Commitments And Contingencies [Table] Schedule Of Commitments And Contingencies [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] 4.25% Senior Notes Due 2023 and 5.5% Senior Notes Due 2025 Four Point Twenty-Five Percent Senior Notes Due 2023 and 5.50 Percent Senior Notes Due 2025 [Member] Four Point Twenty-Five Percent Senior Notes Due 2023 and 5.50 Percent Senior Notes Due 2025 [Member] Jurisdiction [Axis] Jurisdiction [Axis] Statutory Accounting Practices, Jurisdiction [Domain] Statutory Accounting Practices, Jurisdiction [Domain] United States District Court, District of Nevada [Member] United States District Court, District of Nevada [Member] United States District Court, District of Nevada [Member] Eighth Judicial District Court of Clark County, Nevada [Member] Eighth Judicial District Court of Clark County, Nevada [Member] Eighth Judicial District Court of Clark County, Nevada [Member] Litigation Status [Axis] Litigation Status [Axis] Litigation Status [Domain] Litigation Status [Domain] Pending Litigation Pending Litigation [Member] Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] Redemption Action and Counterclaim [Member] Redemption Action and Counterclaim [Member] Redemption Action and Counterclaim [Member] Derivative Claims Derivative Claims [Member] Derivative Claims [Member] Federal Plaintiffs [Member] Federal Plaintiffs [Member] Federal Plaintiffs [Member] Title of Individual [Axis] Title of Individual [Axis] Relationship to Entity [Domain] Relationship to Entity [Domain] Director Director [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] 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] 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] Schedule Of Commitments And Contingencies Schedule Of Commitments And Contingencies [Line Items] Schedule Of Commitments And Contingencies [Line Items] Rent expense Operating Leases, Rent Expense, Net Letter of credit outstanding Letters of Credit Outstanding, Amount 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 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 Long-term debt due date Debt Instrument, Maturity Date Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Interest payment due Interest Expense, Long-term Debt 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 Percentage of principal repayment on event of change of control Percentage Of Principal Repayment On Event Of Change Of Control Percentage Of Principal Repayment On Event Of Change Of Control Loss Contingency, New Claims Filed, Number Loss Contingency, New Claims Filed, Number Loss Contingency, 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 Loss Contingency, Interim Status Update Period Loss Contingency, Interim Status Update Period Loss Contingency, Interim Status Update Period Loss Contingency, Period of Stay Loss Contingency, Period of Stay Loss Contingency, Period of Stay Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] 7 7/8% Wynn 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 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] 5 1/2% Senior Notes Due March One Twenty Twenty Five [Member] 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] First Mortgage Notes Mortgages [Member] Senior Notes Senior Notes [Member] Debt Instrument Debt Instrument [Line Items] Long-term debt Long-term Debt Due to affiliate Due to Affiliate Current portion of long-term debt Long-term Debt, Current Maturities Long-term debt, excluding current maturities Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Allowance for Doubtful Accounts Allowance for Doubtful Accounts [Member] Movement in Valuation Allowances and Reserves [Roll Forward] Movement in Valuation Allowances and Reserves [Roll Forward] Beginning Balance Valuation Allowances and Reserves, Balance Provisions for Doubtful Accounts Valuation Allowances and Reserves, Charged to Cost and Expense Write-offs, Net of Recoveries Valuation Allowances and Reserves, Adjustments Ending Balance Member's Equity Stockholders' Equity Note Disclosure [Text Block] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Long-Term Debt Long-term Debt [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] Stock-based compensation expense Amortization and write-off of deferred financing costs and other Amortization of Financing Costs Loss on extinguishment of debt Property charges and other Noncash Project Abandonment Costs Equity in income (loss) 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 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 Intangible Assets And Other Assets Net cash inflow or (outflow) from intangible assets and/or other assets not otherwise defined in the taxonomy. Due to affiliates, net Due To And From Affiliates Net The 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] Distributions to parent Payments Of Distributions To Parent Payments of Distributions to Parent Proceeds from issuance of long-term debt Proceeds from Issuance of Long-term Debt Principal payments on long-term debt Repayments of Long-term Debt 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 (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Balance, beginning of year Balance, end of year Supplemental cash flow disclosures Supplemental Cash Flow Information [Abstract] Cash transactions: CashInvestingAndFinancingItems [Abstract] Cash Investing And Financing Items Cash paid for interest Interest Paid, Net Non-cash transactions: Noncash Investing and Financing Items [Abstract] Change in construction payables and retention Increase (Decrease) in Construction Payables Equity interest distribution Other Significant Noncash Transaction, Value of Consideration Given Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] LIBOR London Interbank Offered Rate (LIBOR) [Member] 7 7/8% Wynn Las Vegas First Mortgage Notes Due November 1, 2017 [Member] Seven and Seven Over Eight Percentage Wynn Las Vegas First Mortgage Notes Due November 1, 2017 [Member] 7 7/8% Wynn Las Vegas First Mortgage Notes Due November 1, 2017 [Member] 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] Secured Debt Secured Debt [Member] 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 World Travel, LLC World Travel, LLC [Member] World Travel, LLC Debt Instrument, Face Amount Repayments of Long-term Debt Debt Instrument, Issuance Date Debt Instrument, Issuance Date Debt redemption price as percentage of principal Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Debt repurchase amount Debt Instrument, Repurchase Amount, Carrying Value Carrying value amount of debt instrument that was repurchased Loss on extinguishment of debt Gains (Losses) on Extinguishment of Debt Capitalized financing costs Deferred Finance Costs, Net Cut-off date for specified redemption price Debt Instrument Cut Off Date For Specified Redemption Price Debt Instrument Cut Off Date For Specified Redemption Price Payment default period Payment Default Classification Period Payment Default Classification Period Balloon payment due at maturity Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid Period calculation period (days) Period Interest Is Calculated Over Period interest is calculated over Number of basis points Number Of Basis Points Of Interest Paid In Addition To Libor Number of basis points of interest paid in addition to LIBOR Fair value of long-term debt Debt Instrument, Fair Value Disclosure Carrying value of long-term debt Debt Issuance Cost Debt Issuance Cost Original issue discount Debt Instrument, Unamortized Discount Interest in addition to LIBOR Debt Instrument, Basis Spread on Variable Rate Notes under tender offer face amount redeemed Notes Under Tender Offer Face Amount Redeemed Notes Under Tender Offer, Face Amount Redeemed Principal amount for cash tender price Principal Amount For Cash Tender Price Principal Amount For Cash Tender Price Tender Offer Consideration In Cash Tender Offer Tender Offer Consideration In Cash Tender Offer Tender Offer Consideration In Cash Tender Offer Debt Instrument Previous Maturity Date Debt Instrument Previous Maturity Date Debt Instrument Previous Maturity Date Write off of Deferred Debt Issuance Cost Write off of Deferred Debt Issuance Cost Extinguishment of Debt, Fees included in Gain (Loss) Extinguishment of Debt, Fees included in Gain (Loss) Extinguishment of Debt, Fees included in Gain (Loss) Repayments of Debt Repayments of Debt Description of debt redemption Debt Instrument, Redemption, Description Payment terms Debt Instrument, Payment Terms 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] 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 Summary of Receivables, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Future Minimum Rentals Receivable Schedule Of Future Minimum Rental Payments Receivable Table [Text Block] Schedule of Future Minimum Rental Payments Receivable [Table Text Block] Future Minimum Lease Payments for Non-cancellable Operating Leases Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Leases [Abstract] 2016 Operating Leases, Future Minimum Payments, Next Rolling Twelve Months 2017 Operating Leases, Future Minimum Payments, Due in Rolling Year Two 2018 Operating Leases, Future Minimum Payments, Due in Three Years 2019 Operating Leases, Future Minimum Payments, Due in Four Years 2020 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total Operating Leases, Future Minimum Payments Due 2016 Operating Leases, Future Minimum Payments Receivable, Current 2017 Operating Leases, Future Minimum Payments Receivable, in Two Years 2018 Operating Leases, Future Minimum Payments Receivable, in Three Years 2019 Operating Leases, Future Minimum Payments Receivable, in Four Years 2020 Operating Leases, Future Minimum Payments Receivable, in Five Years Thereafter Operating Leases, Future Minimum Payments Receivable, Thereafter Total Operating Leases, Future Minimum Payments Receivable Property, Plant and Equipment [Table] Property, Plant and Equipment [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] Buildings and Improvements Building and Building Improvements [Member] Land Improvements Land Improvements [Member] Airplane Air Transportation Equipment [Member] Furniture, Fixtures and Equipment Furniture and Fixtures [Member] Maximum Maximum [Member] Property and Equipment Property, Plant and Equipment [Line Items] Property and equipment, estimated useful life Property, Plant and Equipment, Useful Life