Document and Entity Information [Abstract] Document And Entity Information [Abstract] Statement [Table] Document Information [Line Items] Document Type Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Trading Symbol Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Entity Voluntary Filers Entity Well-known Seasoned Issuer Entity Current Reporting Status Entity Common Stock, Shares Outstanding Entity Public Float Consolidated Balance Sheets [Abstract] Statement [Line Items] ASSETS Current assets: Cash and cash equivalents Balance, end of year Balance, beginning of year Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value, Total Cash and cash equivalents Short-term Investments Investment Securities Short-term Investments, Total Investment securities Receivables, Net, Current Receivables Receivables Receivables, net Inventories Inventory, Net, Total Prepaid Expense and Other Assets, Current Prepaid expenses and other Prepaid Expense and Other Assets, Current, Total Total current assets Total current assets Property, Plant and Equipment, Net Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Property and equipment, net Property and equipment, net Property and equipment, net Marketable Securities, Noncurrent Investment securities Marketable Securities, Noncurrent, Total Investment Securities Intangibles, net Intangibles, net, ending balance Intangibles, net, beginning balance Intangible Assets, Net (Excluding Goodwill), Total Intangibles, net Deferred financing costs Deferred Finance Costs, Noncurrent, Net, Total Deferred financing costs Other Assets, Noncurrent Deposits and other assets Deposits and other assets Investment in unconsolidated affiliates Investment in subsidiaries Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures, Total Investment in unconsolidated affiliates Total assets Assets Total assets LIABILITIES AND STOCKHOLDERS' EQUITY Current liabilities: Accounts Payable, Current Accounts payable Accounts Payable, Current, Total Accounts and construction payable Current portion of long-term debt Current portion of long-term debt Current portion of long-term debt Long-term Debt, Current Maturities, Total Land premium payment obligation current. Land Premium Payment Obligation Current Land premium payment obligation, current Current portion of land concession obligation Customer deposits 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 which we operate, subject to applicable jurisdictional adjustments. Gaming Taxes Payable Current Gaming taxes payable Accrued compensation and benefits Employee-related Liabilities, Current, Total Accrued interest Other accrued expenses Other accrued liabilities Other accrued liabilities Carrying value as of the balance sheet date of the amount retained from construction contract payments to ensure the contractor completes the construction before the retention is returned, within one year of the balance sheet date (or one operating cycle, if longer). Construction Retention Payables Current Construction retention Deferred Tax Liabilities, Current Deferred tax liabilities current, total Deferred tax liabilities current, total Deferred tax liabilities current, total Deferred tax liabilities current, total Deferred income taxes, net Income taxes payable Total current liabilities Total current liabilities Long-term Debt, Excluding Current Maturities Long-term debt Long-term Debt, Excluding Current Maturities, Total Non current portion of long-term debt Land premium payment obligation non current. Land Premium Payment Obligation Non Current Land premium payment obligation, noncurrent Land concession obligation Other Liabilities, Noncurrent, Total Other long-term liabilities Other Liabilities, Noncurrent, Total Other long term liabilities Deferred Tax Liabilities, Noncurrent Long-term deferred tax liabilities, total Long term deferred tax liabilities, total Long-term deferred tax liabilities, total Deferred income taxes, net Total liabilities Total liabilities Commitments and contingencies (Note 16) Commitments and contingencies Commitments and contingencies (Note 2) Stockholders' equity: Preferred stock, par value $0.01; 40,000,000 shares authorized; zero shares issued and outstanding Preferred stock, par value $0.01; 40,000,000 shares authorized; zero shares issued and outstanding Preferred Stock, Value, Issued, Ending Balance Preferred Stock, Value, Issued, Beginning Balance Preferred Stock, Value, Issued, Total Preferred stock, par value $0.01; 40,000,000 shares authorized; zero shares issued and outstanding Common stock, par value $0.01; 400,000,000 shares authorized; 137,404,462 and 136,098,410 shares issued; and, 124,599,508 and 123,293,456 shares outstanding Common stock, par value $0.01; 400,000,000 shares authorized; 137,937,088 and 137,404,462 shares issued; and, 125,080,998 and 124,599,508 shares outstanding Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common stock, par value $0.01; 400,000,000 shares authorized; 137,937,088 and 137,404,462 shares issued; 125,080,998 and 124,599,508 shares outstanding Common Stock, Value, Issued, Total Net proceeds of common stock Treasury stock, at cost; 12,804,954 shares Treasury stock, at cost; 12,856,090 and 12,804,954 shares Treasury stock, at cost; 12,856,090 and 12,804,954 shares Treasury Stock, Value, Ending Balance Treasury Stock, Value, Beginning Balance Common stock repurchased, Value Additional paid-in capital Additional Paid in Capital, Ending Balance Additional Paid in Capital, Beginning Balance Additional Paid in Capital, Total Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated deficit Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Total Retained earnings Total Wynn Resorts, Limited stockholders' equity Balance total Wynn Resorts, Ltd stockholder's equity, value Balance, total Wynn Resorts, Ltd stockholder's equity, value Total Wynn Resorts, Limited stockholders' equity Stockholders' Equity Attributable to Noncontrolling Interest Balance,noncontrolling interest, value Balance,noncontrolling interest, value Noncontrolling interest Stockholders' Equity Attributable to Noncontrolling Interest, Total Noncontrolling interest Total equity Ending balance, value Beginning balance, value Total equity Total liabilities and stockholders' equity Total liabilities and stockholders' equity Preferred stock, par value Preferred stock, par value Preferred stock, shares authorized Preferred stock, shares authorized Preferred stock, shares issued Preferred Stock, Shares Issued, Total Preferred stock, shares outstanding Preferred Stock, Shares Outstanding, Ending Balance Preferred Stock, Shares Outstanding, Beginning Balance Common stock, par value Common stock, par value Common stock, shares authorized Common stock, shares authorized Common stock, shares issued Common stock, shares issued Common Stock, Shares, Issued, Total Sold shares of subsidiary's common stock Common stock, shares outstanding Ending balance, shares Beginning balance, shares Common stock, shares outstanding Common stock, shares outstanding Treasury stock, shares Treasury Stock, Shares, Ending Balance Treasury Stock, Shares, Beginning Balance Common stock repurchsed, Shares Consolidated Statements Of Income [Abstract] Operating revenues: Casino Revenue Casino Occupancy Revenue Rooms Food and Beverage Revenue Food and beverage 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 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. Gross Revenue Gross revenues Less: promotional allowances Less: promotional allowances Estimated cost of promotional allowances Revenue, Net Net revenues Net revenues Operating costs and expenses: Casino Expenses Casino Occupancy Costs Rooms Food and Beverage, Cost of Sales Food and beverage 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 General and administrative Selling, General and Administrative Expense, Total Provision for doubtful accounts Provision for doubtful accounts Pre-opening costs Pre-opening costs Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction, Total 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 Property charges and other Total operating costs and expenses Total operating costs and expenses Operating income Operating income Other income (expense): Interest income Interest expense, net of capitalized interest Interest expense, net of amounts capitalized Interest expense Interest Expense, Total Increase (decrease) in swap fair value Increase in swap fair value Increase (decrease) in swap fair value Increase in swap fair value Gain (Loss) on Derivative Instruments, Net, Pretax, Total Increase (decrease) in swap fair value Gain (loss) on extinguishment of debt/exchange offer Gain on early extinguishment of debt Gain (loss) on extinguishment of debt/exchange offer Gains (Losses) on Extinguishment of Debt, Total Gain on early extinguishment of debt Equity in income (loss) from unconsolidated affiliates Equity in (income) loss of subsidiaries Equity in income from unconsolidated affiliates Income (Loss) from Equity Method Investments, Total Equity in income (loss) of subsidiaries Other Total other non-operating costs and expenses Other Nonoperating Income (Expense), Total Other income (expense), net Total other non-operating costs and expenses Other income (expense), net Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income before income taxes Income before income taxes Provision for income taxes Benefit (provision) for income taxes Benefit (provision) for income taxes (Provision) benefit for income taxes Income Tax Expense (Benefit), Total Provision for income taxes Net income Net income (loss) Net income, total stockholder's equity Net income Net income Less: Net income attributable to noncontrolling interests Less: Net income attributable to noncontrolling interests Net income attributable to noncontrolling interests Net income attributable to noncontrolling interests Less: Net income attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest, Total Net income, noncontrolling interest Net income (loss) attributable to Wynn Resorts, Limited Net income (loss) attributable to Wynn Resorts Net income attributable to Wynn Resorts, Limited Net income, total Wynn Resorts, Ltd stockholder's equity Basic and diluted income per common share: Earnings Per Share Net income attributable to Wynn Resorts, Limited: Net income: Basic Basic income (loss) per share Earnings Per Share, Basic, Total Basic Earnings Per Share, Diluted Net income: Diluted Diluted income (loss) per share Earnings Per Share, Diluted, Total Diluted Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Basic Weighted average common shares outstanding (used in calculation of basic earnings per share) Weighted Average Number of Shares Outstanding, Basic, Total Weighted average common shares outstanding, Basic Weighted Average Number of Shares Outstanding, Diluted Weighted average common and common equivalent shares outstanding (used in calculation of diluted earnings per share) Weighted average common and common equivalent shares outstanding (used in calculation of diluted earnings per share) Weighted average common shares outstanding, Diluted Dividends declared per common share: Consolidated Statements Of Stockholders' Equity [Abstract] Legal Entity [Axis] Entity [Domain] Entity [Domain] Parent Company [Member] Wynn Resorts, Ltd [Member] Statement, Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock [Member] Treasury Stock [Member] Treasury Stock [Member] Additional Paid In Capital [Member] Additional Paid-In Capital [Member] Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Income [Member] Retained Earnings [Member] Retained Earnings (Deficit) [Member] Noncontrolling Interest [Member] Noncontrolling Interest [Member] Currency translation adjustment Other Comprehensive Income, Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total Unrealized Gain (Loss) on Investments Unrealized Gain (Loss) on Investments, Total Net unrealized loss on investments Comprehensive Income, Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income Comprehensive Income, Net of Tax, Including Portion Attributable to Noncontrolling Interest, Total Stock Issued During Period, Shares, Stock Options Exercised Options, Exercised Exercise of stock options, shares Options, Exercised Stock Issued During Period, Value, Stock Options Exercised Exercise of stock options, value Stock Repurchased During Period, Shares Purchase of Treasury stock, shares Stock repurchases, shares Purchase of Treasury stock, shares Stock Repurchased During Period, Value Net cost for common stock purchased Stock repurchases, value Purchase of Treasury stock, value Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Issuance of restricted stock, shares Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Issuance of restricted stock, value Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures, Total Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Cancellation of restricted stock, shares Stock Issued During Period, Value, Restricted Stock Award, Forfeitures Cancellation of restricted stock, value Forfeited Cash Distribution Upon Cancellation of Restricted Stock Forfeited Cash Distribution Upon Cancellation of Restricted Stock Forfeited cash dividends upon cancellation of nonvested stock Stock Issued During Period, Shares, New Issues Stock issued during period, shares Issuance of common stock, net, shares Stock Issued During Period, Value, New Issues Issuance of common stock, net, value Sale of Subsidiaries Common Stock, Net Sale of Subsidiaries Common Stock, Net Sale of Wynn Macau, Ltd common stock, net Dividends, Cash Cash dividends Cash dividends Dividends, Cash, Total Distribution of cash divident Adjustments to Additional Paid in Capital, Tax Effect from Share-based Compensation Excess tax benefits from stock-based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Value Stock-based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Total Consolidated Statements Of Cash Flows [Abstract] Cash flows from operating activities: Adjustments to reconcile net income to net cash provided by operating activities: Deferred income taxes Deferred total Deferred, Total Deferred income taxes Stock-based compensation Total stock-based compensation expense Share-based Compensation, Total Stock option compensation cost Excess tax benefits from stock-based compensation Excess tax benefits from stock-based compensation 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-offs of deferred financing costs, and other Amortization of deferred financing costs and other Amount represents the difference between the fair value of the payments made and the carrying value of the debt at the time of its exchange, extinguishment, or settlement. Gain Losses On Exchange Extinguishment Settlement Of Debt Loss on extinguishment of debt/exchange offer Loss (gain) on extinguishment of debt/exchange offer Property charges and other Property charges and other Equity in income of unconsolidated affiliates, net of distributions Equity in income of unconsolidated affiliates, net of distributions Income (Loss) from Equity Method Investments, Net of Dividends or Distributions, Total (Increase) decrease in swap fair value (Increase) decrease in swap fair value Increase (decrease) in cash from changes in: Receivables, net Receivables, net Receivables Increase (Decrease) in Receivables, Total 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. Also includes 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 the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods. Increase Decrease In Inventories Prepaid Expenses And Other Current Assets Inventories and prepaid expenses and other Inventories and prepaid expenses and other Accounts payable and accrued liabilities Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Net cash provided by operating activities Net cash provided by operating activities Cash flows used in investing activities: Capital expenditures, net of construction payables and retention Capital expenditures, net of construction payables and retention Capital expenditures Payments to Acquire Property, Plant, and Equipment, Total Payments to Acquire Available-for-sale Securities, Debt Purchase of investment securities Purchase of investment securities Proceeds from Sale and Maturity of Marketable Securities Proceeds from Sale and Maturity of Marketable Securities, Total Proceeds from sales or maturities of investment securities 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 Deposits and purchase of other assets Proceeds from sale of equipment Proceeds from Sale of Property, Plant, and Equipment, Total Net cash used in investing activities Net cash used in investing activities Net cash (used in) provided by investing activities Cash flows from financing activities: Proceeds from exercise of stock options Exercise of stock options ExcessTaxBenefitFromShareBasedCompensationFinancingActivities Excess tax benefits from stock-based compensation Proceeds from issuance of common stock Proceeds from Wynn Macau, Ltd IPO Dividends Paid Dividends paid Cash distributions Payments of Dividends, Total Proceeds from issuance of long-term debt Proceeds from Issuance of Long-term Debt, Total Principal payments on long-term debt Principal payments on long-term debt Repayments of Long-term Debt, Total Quarterly principal payment Repurchase of Wynn Las Vegas First Mortgage Notes Repurchase of Wynn Las Vegas First Mortgage Notes Payments for Repurchase of Common Stock Purchase of treasury stock Purchase of treasury stock Interest rate swap transactions Interest Rate Swap Transactions Interest rate swap transactions Interest rate swap transactions Payments on long-term land concession obligation Payments of Debt Issuance Costs Payment of financing costs Payment of financing costs Net cash used in financing activities Net cash provided by (used in) financing activities Effect of exchange rate on cash Effect of Exchange Rate on Cash and Cash Equivalents, Total Cash and cash equivalents: Increase (decrease) in cash and cash equivalents Increase (decrease) in cash and cash equivalents Supplemental cash flow disclosures: Interest Paid, Net Cash paid for interest, net of amounts capitalized Interest Paid, Net, Total Change in Property and Equipment Included in Accounts and Construction Payables Change in Property and Equipment Included in Accounts and Construction Payables Change in property and equipment included in accounts and construction payables Income Taxes Paid, Net Cash paid for income taxes Income Taxes Paid, Net, Total Cash distribution declared on non-vested stock. Cash Distribution On Non Vested Stock Increase in liability for cash distributions declared on nonvested stock Organization [Abstract] Organization Consolidation And Presentation Of Financial Statements Disclosure Text Block Organization Summary Of Significant Accounting Policies [Abstract]