Accounting Policies [Abstract] Accounting Policies [Abstract] Accounts Notes And Loans Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts Notes Loans And Financing Receivables By Legal Entity Of Counterparty Type [Axis] Legal Entity of Counterparty, Type [Axis] Accounts Payable Current Accounts payable Accounts Receivable Gross Current Receivables, gross Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Less: accumulated depreciation Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net loss to net cash provided by operating activities: Advertising Costs Policy [Text Block] Advertising Costs Advertising Expense Total advertising costs After Amendment [Member] After Amendment [Member] After Amendment Allowance For Doubtful Accounts Receivable Current Less: allowance for doubtful accounts Amendment Flag Amendment Flag Amortization 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. Amortization Of Deferred Financing Costs Amortization and write-off of deferred financing costs, and other Area Of Land Area of land Aruze United States Of America Inc [Member] Aruze United States Of America Inc [Member] Aruze USA, Inc. Assets Total assets Assets [Abstract] ASSETS Assets Current Total current assets Assets Current [Abstract] Current assets: Buildings And Improvements Gross Buildings and improvements Cash And Cash Equivalents At Carrying Value Balance, end of period Balance, beginning of period Cash and cash equivalents Cash And Cash Equivalents Maximum Maturity Term Months Cash And Cash Equivalents Maximum Maturity Term Months Cash and cash equivalents maturity period Cash And Cash Equivalents Period Increase Decrease Increase in cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease [Abstract] Cash and cash equivalents: Cash And Cash Equivalents Policy [Text Block] Cash and Cash Equivalents Cash And Cash Equivalents Restricted Cash And Cash Equivalents Policy Restricted Cash Cash Flow Supplemental Disclosures [Line Items] Cash Flow Supplemental Disclosures [Line Items] Supplemental Disclosure of Cash Flow Information [Line Items] Cash Flow Supplemental Disclosures [Table] Cash Flow Supplemental Disclosures [Table] Cash Flow Supplemental Disclosures [Table] Cash Flow Supplemental Disclosures [Text Block] Supplemental Disclosure of Cash Flow Information Casino Expenses Casino Casino [Member] Casino [Member] Casino Casino Revenue Casino Change In Accounting Estimate By Type [Axis] Change in Accounting Estimate by Type [Axis] Change in accounting estimate, financial effect on Operating Income. Change In Accounting Estimate Financial Effect Operating Income Adjustment effect in operating income Change in Accounting Estimate [Member] Change In Accounting Estimate [Member] Change in Accounting Estimate Change In Accounting Estimate Type [Domain] Change in Accounting Estimate, Type [Domain] Commitment For Additional Donation To Third Party Commitment For Additional Donation To Third Party Commitment for additional donations to be made Commitments And Contingencies Commitments and contingencies (Note 9) Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments And Contingencies Disclosure [Text Block] Commitments and Contingencies Commitments [Member] Commitments Common Stock Number Of Votes Common Stock Number Of Votes Number of shares voted Common Stock Par Or Stated Value Per Share Common stock, par value Common Stock Shares Authorized Common stock, authorized Compensation Related Costs Policy [Text Block] Stock-Based Compensation Component Of Operating Cost And Expense [Line Items] Component Of Operating Cost And Expense [Line Items] Component Of Operating Cost And Expense [Line Items] Component Of Operating Cost And Expense [Table] Component Of Operating Cost And Expense [Table] Component Of Operating Cost And Expense [Table] Comprehensive Income Net Of Tax Total comprehensive loss Construction In Progress Gross Construction in progress Construction Payable Current Construction related payables Expenses allocated to the subsidiary by the Parent Company related to corporate support services. Corporate Expense Allocations Corporate support service allocations Costs And Expenses Total operating costs and expenses Costs And Expenses [Abstract] Operating costs and expenses: Current Fiscal Year End Date Current Fiscal Year End Date Customer Deposits Current Customer deposits Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument Basis Spread On Variable Rate 1 Interest in addition to LIBOR Debt Instrument Face Amount Debt instrument, aggregate principal amount Redemption price promissory note, principal amount Debt Instrument Fair Value Fair value of debt instrument Debt Instrument Fee Amount Other fees Debt Instrument Interest Rate Stated Percentage Debt instrument, interest rate Redemption price promissory note, interest rate Debt Instrument [Line Items] Debt Instrument [Line Items] Debt Instrument Maturity Date Debt instrument, maturity date Long-term debt due date Debt Instrument Maturity Date Year Debt Instrument Maturity Date Year Long-term debt due date Debt Instrument Maturity Year Debt Instrument Maturity Year Long-term debt maturity year Debt Instrument Name [Domain] Debt Instrument, Name [Domain] Debt Instrument Redemption Description Debt instrument, redemption description Debt Instrument Redemption Price Percentage Of Principal Amount Redeemed Debt redemption price as percentage of principal Debt Instrument [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument Unamortized Discount Original issue discount Debt Issuance Costs Unamortized debt issue costs and original issue discount Debt Purchase Price Percent Of Principal Amount Debt Purchase Price Percent Of Principal Amount Debt purchase price percentage of aggregate principal amount Debt Type [Axis] Debt Type [Axis] Debt Type [Axis] Debt Type [Domain] Debt Type [Domain] Debt Type [Domain] Deferred Finance Costs Noncurrent Net Deferred financing costs, net Depreciation And Amortization Depreciation and amortization Director [Member] Director Document Document and Entity Information [Abstract] Document Document And Entity Information [Abstract] Document Documentand Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Information [Line Items] Document Information [Line Items] Document Period End Date Document Period End Date Document Type Document Type Donation To Third Party Donation To Third Party Donation to University of Macau Development Foundation Due To Affiliate Current And Noncurrent Payable to Affiliate 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. Due To And From Affiliates Net Due to affiliates, net Due To Other Related Parties Classified Current Other net amounts due to affiliates Due To Related Parties Current Due to affiliates, net Due To Related Parties Noncurrent Due to affiliates, net Employee Related Liabilities Current Accrued compensation and benefits Employment Agreement Expiration Date Employment Agreement Expiration Date Agreement expiration Costs incurred during the period related to generating revenue from shows, retail outlets, convention space, spa, salon, wedding salon, and golf course operations. Entertainment Retail And Other Costs Entertainment, retail and other Entertainment Retail And Other [Member] Entertainment Retail And Other [Member] Entertainment Retail and Other Revenue earned during the period from shows, retail outlets, convention space, spa, salon, wedding salon, and golf course. Entertainment Retail And Other Revenue Entertainment, retail and other Entities [Table] Entities [Table] Entity Central Index Key Entity Central Index Key Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Entity [Domain] Entity [Domain] Entity Filer Category Entity Filer Category Entity Incorporation Date Of Incorporation Incorporation date Entity Registrant Name Entity Registrant Name Equity Method Investment Ownership Percentage Percentage of ownership in joint ventures Estimated Costs Of Promotional Allowances Primarily Included In Casino Expenses Estimated Costs Of Promotional Allowances Primarily Included In Casino Expenses Estimated costs of promotional allowances primarily included in casino expense Fair Value By Liability Class [Axis] Liability Class [Axis] Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation By Liability Class [Domain] Fair Value by Liability Class [Domain] Financing Charges Financing Charges Capitalized financing costs 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] 5 3/8% Wynn Las Vegas First Mortgage Notes, Due March 15, 2022 Flight Equipment Owned Gross Airplane Food And Beverage Cost Of Sales Food and beverage Food And Beverage [Member] Food And Beverage [Member] Food and Beverage Food And Beverage Revenue Food and beverage 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] 4 1/4% Senior Notes, Due May 30, 2023 Fourty Two Million Dollar Note Payable Due Aprilone Two Thousand Seventeen [Member] Fourty Two Million Dollar Note Payable Due Aprilone Two Thousand Seventeen [Member] $42 Million Note Payable, Due April 1, 2017 Furniture And Fixtures Gross Furniture, fixtures and equipment Gain Loss On Derivative Instruments Net Pretax Increase in swap fair value Increase in swap fair value Gains Losses On Extinguishment Of Debt Loss on retirement of debt Loss on retirement of debt 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. Gaming Taxes Payable Current Gaming taxes payable Gaming Taxes Policy Gaming Taxes Policy [Text Block] Gaming Taxes Gaming tax expense. Gaming Tax Expenses Gaming tax expenses Hotel [Member] Hotel Income Loss From Equity Method Investments Equity in income from unconsolidated affiliates Income Loss From Equity Method Investments Net Of Dividends Or Distributions Equity in income of unconsolidated affiliates, net of distributions Income Statement [Abstract] Income Statement [Abstract] Income Tax Reconciliation Reversal Of Previously Accrued Taxes Income Tax Reconciliation Reversal Of Previously Accrued Taxes Reversal of accrued sales tax Increase Decrease In Accounts Payable And Accrued Liabilities Accounts payable and accrued expenses Increase Decrease In Construction Payables Change in construction payables and retention Increase Decrease In Due To Affiliates Due to affiliates, net 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. Increase Decrease In Inventories Prepaid Expenses And Other Current Assets Inventories and prepaid expenses and other Increase Decrease In Operating Capital [Abstract] Increase (decrease) in cash from changes in: Increase Decrease In Receivables Receivables Intangible Assets Net Excluding Goodwill Intangible assets, net Interest Expense Interest expense Interest Paid Capitalized Capitalized interest Interest Paid Net Interest paid Interest Payable Current Accrued interest Inventory Net Inventories Inventory Policy [Text Block] Inventories Investment Income Interest Interest income and other Investment Owned Balance Shares Company owned, share issued and outstanding Investments In Affiliates Subsidiaries Associates And Joint Ventures Investment in unconsolidated affiliates Land Land and improvements Lease Agreement [Axis] Lease Agreement [Axis] Lease Agreement [Axis] Lease Agreement [Domain] Lease Agreement [Domain] Lease Agreement [Domain] Lease Facility Area Lease Facility Area Lease Facility Area Legal Entity [Axis] Legal Entity [Axis] Legal Entity Type Of Counterparty [Domain] Legal Entity Type of Counterparty [Domain] Liabilities Total liabilities Liabilities And Stockholders Equity Total liabilities and member's equity Liabilities And Stockholders Equity [Abstract] LIABILITIES AND MEMBER'S EQUITY Liabilities Current Total current liabilities Liabilities Current [Abstract] Current liabilities: Loans Notes Trade And Other Receivables Disclosure [Text Block] Receivables, net Long Term Debt Long-term debt Long-term debt total Long Term Debt Current Current portion of long-term debt Current portion of long-term debt Long Term Debt Noncurrent Long-term debt Non current portion of long-term debt Long Term Debt [Text Block] Long-Term Debt Longterm Debt Type [Axis] Long-term Debt, Type [Axis] Longterm Debt Type [Domain] Long-term Debt, Type [Domain] 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 Due To Affiliate Management fee payable Management Fee Expense Management fees 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. Management Fee Percentage Management fee as percentage of net revenues Members Capital Contributed capital Members Equity Total member's equity Membership Interests Description Membership Interests Description Membership Interests Description First Mortgage Notes Mortgage Notes [Member] First Mortgage Notes Mortgages And Notes Payable [Member] Mortgages And Notes Payable [Member] First Mortgages Notes And Senior Notes Net Cash Provided By Used In Financing Activities Net cash (used in) provided by financing activities Net Cash Provided By Used In Financing Activities [Abstract] Cash flows from financing activities: Net Cash Provided By Used In Investing Activities Net cash used in investing activities Net Cash Provided By Used In Investing Activities [Abstract] Cash flows from investing activities: Net Cash Provided By Used In Operating Activities Net cash provided by operating activities Net Cash Provided By Used In Operating Activities [Abstract] Cash flows from operating activities: Net Income Loss Net loss Net loss New Accounting Pronouncements Policy Policy [Text Block] Recently Issued Accounting Standards Noncash Project Abandonment Costs Property charges and other Nonoperating Income Expense Other income (expense), net Nonoperating Income Expense [Abstract] Other income (expense): Notes Under Tender Offer, Face Amount Redeemed Notes Under Tender Offer Face Amount Redeemed Valid tenders received at time of cash tender offer expiration Number Of Days Written Notice Required To Exercise Aircraft Purchase Option. Notice Period To Exercise Aircraft Purchase Option Aircraft purchase option period Notice required for lease termination at Villa Suite, days Notice Required For Lease Termination Notice required for lease termination at Villa Suite, days Number of Board Members on the Board of Directors who approved Donation to Third Party. Number Of Board Members In Approval Number of board members on the Board of Directors who approved donations Number Of Directors Number Of Directors Number of board members on the Board of Directors Occupancy Costs Rooms Occupancy Revenue Rooms Operating Income Loss Operating income Operating Leases Income Statement Lease Revenue Rental value Organization Consolidation And Presentation Of Financial Statements [Abstract] Organization and Basis of Presentation [Abstract] Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items] Organization and Basis of Presentation [Line Items] 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] Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Organization and Basis of Presentation Other Accrued Liabilities Current Other accrued liabilities Other Assets Noncurrent Deposits and other assets Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Other comprehensive income Other Debt [Member] Other Debt [Member] Other Debt Other Liabilities Noncurrent Other Others [Member] Others [Member] Other Payment Default Classification Period Payment Default Classification Period Payment default period Payments For Cash Tender Payments For Cash Tender Cash tender offer, consideration paid Net cash inflow or (outflow) from other deposits and/or other assets not otherwise defined in the taxonomy. Payments For Deposits And Other Assets Deposits and purchase of other assets Payments For Derivative Instrument Financing Activities Interest rate swap transactions Payments Of Debt Issuance Costs Payments of financing costs Payments To Acquire Property Plant And Equipment Capital expenditures, net of construction payables and retention 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 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 Percentage Of Voting In Favor Of Removal Of Director Percentage Of Voting In Favor Of Removal Percentage of shares voted in favor of removal of Mr. Okada Prepaid Expense And Other Assets Current Prepaid expenses and other Principal Amount For Cash Tender Price Principal Amount For Cash Tender Price Principal amount for cash tender offer Proceeds From Issuance Of Long Term Debt Proceeds from issuance of long-term debt Proceeds From Repayments Of Restricted Cash Financing Activities Restricted cash Proceeds From Sale Of Productive Assets Proceeds from sale of assets 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. Project Abandonment Costs Property charges and other Promotional Allowance [Line Items] Promotional Allowance [Line Items] Promotional Allowances [Line Items] Promotional Allowances Less: promotional allowances Promotional Allowances [Axis] Promotional Allowances [Axis] Promotional Allowances [Axis] Promotional Allowances [Domain] Promotional Allowances [Domain] Promotional Allowances [Domain] Promotional Allowance [Table] Promotional Allowance [Table] Promotional Allowance [Table] 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. Property Charges And Other [Text Block] Property Charges and Other Property Plant And Equipment [Abstract] Property, Plant and Equipment [Abstract] Property Plant And Equipment Disclosure [Text Block] Property and Equipment, net Property Plant And Equipment Gross Property, Plant and Equipment, Gross, Total Property Plant And Equipment [Line Items] Property and Equipment [Line Items] Property Plant And Equipment Net Property and equipment, net Property and equipment, net Property Plant And Equipment [Text Block] Schedule of Property and Equipment, Net 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] Provision For Doubtful Accounts Provision for doubtful accounts Receivables [Abstract] Receivables [Abstract] Receivables Net Current Receivables, net Receivables, net Related Party Transaction [Line Items] Related Party Transaction [Line Items] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Related Party Transactions Disclosure [Text Block] Related Party Transactions Repayments Of Long Term Debt Principal payments on long-term debt Restricted Cash And Cash Equivalents Noncurrent Restricted cash Retail Leases And Other [Member] Retail Leases And Other [Member] Retail Leases and Other Retained Earnings Accumulated Deficit Accumulated deficit Revenue Recognition Policy [Text Block] Revenue Recognition and Promotional Allowances Revenues [Abstract] Operating revenues: Rooms [Member] Rooms [Member] Rooms Sales Revenue Net Net revenues Sales Revenue Services Gross Gross revenues Schedule Of Accounts Notes Loans And Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule Of Accounts Notes Loans And Financing Receivable [Text Block] Summary of Receivables, Net Schedule Of Commitments And Contingencies [Line Items] Schedule Of Commitments And Contingencies [Line Items] Schedule Of Commitments And Contingencies [Line Items] Schedule Of Commitments And Contingencies [Table] Schedule Of Commitments And Contingencies [Table] Schedule Of Commitments And Contingencies [Table] Schedule Of Debt Instruments [Text Block] Summary of Long-Term Debt Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment [Table] Schedule Of Related Party Transactions By Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Selling General And Administrative Expense General and administrative 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 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 Novemberone Two Thousand Seventeen [Member] Seven And Seven Over Eight Percentage Wynn Las Vegas First Mortgage Notes Due Novemberone Two Thousand Seventeen [Member] 7 7/8% Wynn Las Vegas First Mortgage Notes, Due November 1, 2017 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] 7 3/4% Wynn Las Vegas First Mortgage Notes, Due August 15, 2020 Share Based Compensation Stock-based compensation Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Statement [Line Items] Statement [Line Items] Statement Of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Statement Of Financial Position [Abstract] Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Stockholders Equity [Abstract] Member's equity: Stock Redeemed Or Called During Period Shares Common stock redeemed, shares Summary of estimated cost of promotional allowance. Summary Of Estimated Cost Of Promotional Allowance Table [Text Block] Summary Estimated Cost of Promotional Allowances Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Summary of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Supplemental Cash Flow Elements [Abstract] Supplemental Cash Flow Elements [Abstract] Surname Rights Agreement Expiration Date Surname Rights Agreement Expiration Date Surname Rights Agreement expiration date S W Lease [Member] S W Lease [Member] Existing SW Lease Tender Cash Offer Expiration Date Tender Cash Offer Expiration Date Tender offer expiration date Tender Offer Consideration In Cash Tender Offer Tender Offer Consideration In Cash Tender Offer Cash tender offer, consideration paid per principal amount Text Block [Abstract] Text Block [Abstract] Title Of Individual [Axis] Title of Individual [Axis] Title Of Individual With Relationship To Entity [Domain] Relationship to Entity [Domain] Trade And Other Accounts Receivable Policy Accounts Receivable and Credit Risk Trading Symbol Trading Symbol Use Tax refund claim formerly held in suspension by the State of Nevada that is now forfeited. Use Tax Refund Claim Formerly Held In Suspension Now Forfeited Use tax refunds claimed from state Wynn Las Vegas Capital Corporation [Member] Wynn Las Vegas Capital Corporation [Member] Wynn Capital Wynn Macau [Member] Wynn Macau [Member] Wynn Macau