Accounting Policies [Abstract] Accounting Policies [Abstract] Accounting Standards Update 2014-09 [Member] Accounting Standards Update 2014-09 [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts Receivable [Line Items] Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES Accounts Payable and Accrued Liabilities, Current [Abstract] Accounts Payable and Accrued Liabilities, Current [Abstract] Accounts Payable, Current Accounts payable Accounts Receivable, Gross, Current Accounts receivable, gross Accounts Receivable, Net, Current Accounts receivable, net Accounts receivable, net Accounts receivable reclassified from (to) long-term receivables during the year. Accounts Receivable Reclassified From To Long Term Receivables Accounts receivables reclassified from (to) long-term receivables Accretion Expense Interest accretion on capital lease obligations Accrued Employee Benefits, Current Staff cost accruals Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered and used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer); and the aggregate carrying amount of current obligations not separately disclosed in the balance sheet that are expected to be paid within one year. Accrued expenses and other current liabilities Accrued expenses and other current liabilities Total Accrued Expenses and Other Current Liabilities Accrued Income Taxes, Current Income tax payable Accumulated amortization of entertainment production costs as of balance sheet date. Accumulated Amortization Entertainment Production Cost Less: accumulated amortization Accumulated amount of amortization of land use rights. Accumulated Amortization Of Land Use Rights Less: accumulated amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: accumulated depreciation and amortization Accumulated Other Comprehensive Income (Loss), Debt Securities, Available-for-sale, Adjustment, after Tax Unrealized losses on investment securities Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Foreign currency translation adjustments Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive losses Accumulated other comprehensive losses Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Loss, Net of Tax AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Losses [Member] Additional fee percentage of non-gaming revenue received from food and beverage, retail and entertainment outlets, excluding revenues of hotel operations but including rental income received from retail concessionaires. Additional Fee Percentage On Nongaming Revenues Additional fee percentage on non-gaming revenues payable to PAGCOR Additional land premium paid to the government for revision of the terms of the land lease agreement. Additional Land Premium Paid Additional land premium paid Additional land premium payable to the government for revision of the terms of the land lease agreement. Additional Land Premium Payable Additional land premium payable Additional Paid in Capital, Common Stock Additional paid-in capital Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Amount after tax of increase (decrease) in additional paid in capital related to transfer of property and equipment between subsidiaries. Additional Paid In Capital Transfer Of Property And Equipment Between Subsidiaries Transfer of property and equipment between subsidiaries Adjusted Ebitda Adjusted Ebitda Total adjusted property EBITDA Adjusted Property EBITDA [Abstract] Adjusted Property Ebitda [Abstract] ADJUSTED PROPERTY EBITDA Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Share-based compensation Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Advance Customer Deposits And Ticket Sales. Advance Customer Deposits And Ticket Sales [Member] Advance Customer Deposits And Ticket Sales [Member] Advertising Costs, Policy [Policy Text Block] Advertising and Promotional Costs Advertising Expense Advertising and promotional expenses Affiliated Entity [Member] Transactions with affiliated companies [Member] After Initial Interest Period [Member] After Initial Interest Period [Member] After Initial Interest Period [Member] Date on which the agreement was entered, in CCYY-MM-DD format. Agreement Date One Date of agreement Date on which the agreement is effective, in CCYY-MM-DD format. Agreement Effective Date Effective date of agreement Date which the agreement is set to expire, in CCYY-MM-DD format. Agreement Expiry Date Expected expiry date of agreement Agreements [Line Items] Agreements [Line Items] Agreements [Line Items] Agreements [Table] Agreements [Table] Agreements [Table] Aircraft Term Loan [Member] Aircraft Term Loan [Member] Aircraft Term Loan [Member] Air Transportation Equipment [Member] Aircraft [Member] Allocated Share-based Compensation Expense Share-based compensation cost Share-based compensation Allowance for Doubtful Accounts Receivable, Current At end of year At beginning of year Less: allowances for doubtful debts Allowance For Doubtful Accounts Receivable Impact Of Foreign Exchange Allowance For Doubtful Accounts Receivable Impact Of Foreign Exchange Exchange adjustments Net amount of allowance for doubtful debt reclassified from (to) non-current balance during the year. Allowance For Doubtful Accounts Receivable Reclassification From To Long Term Receivables Net amount of allowances for doubtful debt reclassified from (to) non-current Reclassified (to) from long-term receivables, net Amount of direct write-downs of accounts receivable charged against the allowance, net of amount of recoveries of receivables doubtful of collection that were previously charged off. Allowance For Doubtful Accounts Receivable Write Offs Net Of Recoveries Write-offs, net of recoveries Altira Macau [Member] Altira Macau [Member] Altira Macau [Member] Altira Macau - Taipa Land [Member] Altira Macau Taipa Land [Member] Altira Macau - Taipa Land [Member] Amendment Flag Amendment Flag American Depositary Share (ADS) [Member] American Depositary Share (ADS) [Member] American Depositary Share (ADS) [Member] American Depository Shares [Member] American Depository Shares [Member] American Depository Shares [Member] Amortization Expense On Intangible Assets Amortization Expense On Intangible Assets Amortization expense of internal-use software Amortization of Financing Costs And Debt Discount (Premium) Amortization of Financing Costs And Debt Discount (Premium) Amortization of deferred financing costs and original issue premiums Amortization of Intangible Assets Amortization of gaming subconcession The current period expense charged against earnings on land use rights over the estimated lease term of the land. Amortization of Land Use Right Amortization of land use rights Amount entered with a bank to meet certain payment obligations. Amount Entered With Bank To Meet Certain Payment Obligations Amount entered with a bank to meet certain payment obligations Amount Entered With Third Parties In Relation To Guarantee Amount Entered With Third Parties In Relation To Guarantee Aggregate amount of deeds of guarantee with third parties to guarantee certain payment obligations Amount Of Common Stock Shares Purchased Amount Of Common Stock Shares Purchased Outstanding number of common shares to be acquired, price Amount of surety bond required prior to commencement of operation of the casino to ensure prompt and punctual remittance/payment of license fees. Amount Of Surety Bond Required To Ensure Prompt And Punctual Remittance Payment Of License Fees Amount of surety bond required to ensure prompt and punctual remittance/payment of license fees Amount Of Transition Service Fee Income Amount Of Transition Service Fee Income Service fee income Annual lump sum from 2012 through 2016 and 2017 through 2021 in lieu of Macau Complementary tax otherwise due by the shareholders on dividend distribution from gaming profits. Annual Lump Sum In Lieu Of Complementary Tax On Dividend Annual lump sum in lieu of Macau Complementary tax on dividend Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Anti-dilutive share options and restricted shares excluded from the calculation of diluted net income attributable to Melco Resorts & Entertainment Limited per share Arrangements and Non-arrangement Transactions [Domain] Arrangements and Non-arrangement Transactions [Domain] Assets Total consolidated assets TOTAL ASSETS Assets [Abstract] ASSETS Assets, Current Total current assets Assets, Current [Abstract] CURRENT ASSETS Available-for-sale Securities [Table Text Block] Schedule of Investment Securities Award Type [Axis] Award Type [Axis] Balance of legal reserve. Balance Of Legal Reserve Aggregate balance of legal reserves Bank deposits with original maturities over three months. Bank Deposits With Original Maturities Of More Than Three Months Bank deposits with original maturities over three months Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Belle Corporation [Member] Belle Corporation [Member] Belle Corporation [Member] Building [Member] Buildings [Member] Calculated under Revenue Guidance in Effect before Topic 606 [Member] Calculated under Revenue Guidance in Effect before Topic 606 [Member] Capital commitments relating to construction and acquisition of property and equipment. Capital Commitments Relating To Property And Equipment Capital commitments Commitments contracted but not incurred Disclosure of accounting policy for capitalization of interest including amortization of deferred financing costs. Capitalization Of Interest Including Amortization Of Deferred Financing Costs [Policy Text Block] Capitalized Interest Capital Leased Assets, Gross Cost of property and equipment held under capital lease Capital Leased Assets [Line Items] Capital Leased Assets [Line Items] Capital Lease Extended Contractual Lease Term Capital Lease Extended Contractual Lease Term Contract term of further renewable consecutive periods (in years) Capital Lease Obligations [Abstract] Capital Lease Obligations, Current and Noncurrent Capital Lease Obligations, Current Capital lease obligations, due within one year Current portion Capital Lease Obligations, Noncurrent CAPITAL LEASE OBLIGATIONS, DUE AFTER ONE YEAR Non-current portion Capital Leases, Future Minimum Payments Due Total minimum lease payments Capital Leases, Future Minimum Payments Due, Next Twelve Months Year Ending December 31, 2019 Capital Leases, Future Minimum Payments Due in Five Years Year Ending December 31, 2023 Capital Leases, Future Minimum Payments Due in Four Years Year Ending December 31, 2022 Capital Leases, Future Minimum Payments Due in Three Years Year Ending December 31, 2021 Capital Leases, Future Minimum Payments Due in Two Years Year Ending December 31, 2020 Capital Leases, Future Minimum Payments Due Thereafter Over 2023 Capital Leases, Future Minimum Payments, Interest Included in Payments Less: amounts representing interest Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments Present value of minimum lease payments Present value of minimum lease payments Capital Leases in Financial Statements of Lessee Disclosure [Text Block] CAPITAL LEASE OBLIGATIONS Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation Accumulated depreciation and amortization of property and equipment held under capital lease Represents the disclosure of capital structure including information on authorized common stock, stock offerings, and stock issued in relation to the shareholders' loan conversion and the equity-based compensation. Capital Structure Disclosure [Text Block] CAPITAL STRUCTURE Capital Structure [Line Items] Capital Structure [Line Items] Capital Structure [Line Items] Capital Structure [Table] Capital Structure [Table] Capital Structure [Table] Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Restricted Cash Cash and Cash Equivalents, Unrestricted Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT END OF YEAR CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT BEGINNING OF YEAR Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH Cash Collateral for Borrowed Securities Term loan facility, cash collateral Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] NON-CASH INVESTING AND FINANCING ACTIVITIES Cash flows related to advance payments for construction costs. Cash Flows Related To Advance Payments For Construction Costs Advance payments for construction costs Casino [Member] Casino [Member] Future cash outflow to pay for construction cost that have occurred through accrued expenses, other current liabilities and other long term liabilities. Change in Accrued Expenses and Other Current Liabilities and Other Long Term Liabilities Related to Construction Costs Change in accrued expenses and other current liabilities and other long-term liabilities related to property and equipment Future cash outflow to pay for purchases of fixed assets and construction in progress expenditures that have occurred through accrued expenses, other current liabilities and other long term liabilities. Change in Accrued Expenses And Other Current Liabilities And Other Long Term Liabilities Related To Property and Equipment Change in accrued expenses and other current liabilities and other long-term liabilities related to construction costs Change In Additional Paid In Capital Resulting From Purchases Of Common Shares From The Open Market And Tender Offer Change In Additional Paid In Capital Resulting From Purchases Of Common Shares From The Open Market And Tender Offer Decrease in additional paid-in capital resulting from purchases of common shares of MRP from the open market and the Tender Offer Change In Additional Paid In Capital Resulting From Purchases Of Common Shares From The Open Market And Tender Offer, Vesting of Restricted Shares And Exercise of Share Options Change In Additional Paid In Capital Resulting From Purchases Of Common Shares From The Open Market And Tender Offer, Vesting of Restricted Shares And Exercise of Share Options Sub-total Change in additional paid in capital resulting from purchases of common shares of a subsidiary. Change In Additional Paid In Capital Resulting From Purchases Of Common Shares Of a Subsidiary Increase (decrease) in additional paid in capital resulting from purchases of common shares of a subsidiary Future cash outflow to pay for construction cost that have occurred through amounts due to affiliated companies. Change in Amounts Due To Affiliated Companies Related To Construction Costs Change in amounts due to affiliated companies related to construction costs The entire disclosure for change in shareholding of indirect majority owned subsidiary. Changes In Shareholding Of Indirect Majority Owned Subsidiary Disclosure [Text Block] CHANGE IN SHAREHOLDING OF THE SUBSIDIARIES Chief Executive Officer [Member] Chief Executive Officer [Member] City of Dreams - Cotai Land [Member] City Of Dreams Cotai Land [Member] City of Dreams - Cotai Land [Member] City Of Dreams Manila [Member] City Of Dreams Manila [Member] City of Dreams Manila [Member] City Of Dreams [Member] City Of Dreams [Member] City of Dreams [Member] Class of Stock [Domain] Class of Stock [Domain] Commitments and Contingencies COMMITMENTS AND CONTINGENCIES (Note 21) Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Text Block] COMMITMENTS AND CONTINGENCIES Commitments And Contingencies [Line Items] Commitments and Contingencies [Line Items] Commitments And Contingencies [Line Items] Commitments and Contingencies [Table] Commitments and Contingencies [Table] Commitments and Contingencies [Table] Common Class A [Member] Common Class A [Member] Common Stock, Dividends, Per Share, Cash Paid Dividends paid amount per share Common Stock, Dividends, Per Share, Declared Dividends declared per share Common Stock [Member] Ordinary Shares [Member] Common Stock, Par or Stated Value Per Share Ordinary shares, par value Common Stock, Shares Authorized Ordinary shares, authorized Common Stock, Shares, Issued Ordinary shares, issued Common Stock, Shares, Outstanding Ordinary shares, outstanding Common Stock, Value, Issued Ordinary shares, par value $0.01; 7,300,000,000 shares authorized; 1,482,999,434 and 1,478,429,243 shares issued; 1,379,762,263 and 1,469,414,231 shares outstanding, respectively Company type one. Company Type One [Member] Company Type One [Member] Company type two. Company Type Two [Member] Company Type Two [Member] Retirement Benefits [Abstract] Retirement Benefits [Abstract] Components of Deferred Tax Assets [Abstract] Deferred tax assets Components of Deferred Tax Liabilities [Abstract] Deferred tax liabilities Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income attributable to Melco Resorts & Entertainment Limited Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive loss attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Total comprehensive income Comprehensive Income, Policy [Policy Text Block] Comprehensive Income and Accumulated Other Comprehensive Losses Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk [Line Items] Concentration Risk [Line Items] Concentration Risk [Table] Concentration Risk [Table] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Condensed Financial Information Disclosure [Abstract] Condensed Financial Information Of Parent Company Only Disclosure [Abstract] Conditional tender offer. Conditional Tender Offer [Member] Conditional Tender Offer [Member] Consideration from sale of property and equipment offset by escrow funds refundable to certain parties. Consideration From Sale Of Property And Equipment Offset By Escrow Funds Refundable To Certain Parties Consideration on sale of property and equipment offset by escrow funds refundable to the Philippine Parties Consideration value for purchases of common shares of a subsidiary. Consideration Value for Purchases of Common Shares of a Subsidiary Consideration value for purchases of common shares of a subsidiary Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Change Due to Net Income Attributable to Parent and Effects of Changes, Net Changes from net income attributable to Melco Resorts & Entertainment Limited's shareholders and transfers from noncontrolling interests Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Net [Abstract] Transfers (to) from noncontrolling interests: Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table Text Block] Effects of Changes in Company's Ownership Interest Consolidation, Policy [Policy Text Block] Principles of Consolidation Construction in Progress [Member] Construction in progress [Member] Construction Payable, Current Construction costs payables Consultancy fee expense. Consultancy Fee Expense Consultancy fee expense Contingent Consideration by Type [Axis] Contingent Consideration by Type [Axis] Contingent Consideration Type [Domain] Contingent Consideration Type [Domain] Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Contract and Contract Related Liabilities With Customer Contract with Customer Liability The year and month (YYYY-MM) in which the contract will be expired. Contract Expiration Month Year Contract expiration date Contractual Obligation Aggregate contract amount Contractual Obligations Term Contractual Obligations Term Contractual term Initial contract term (in years) Contract with Customer, Asset and Liability [Table Text Block] Summary of Primary Liabilities Associated With Customer Contracts Contract with Customer, Liability Contract with Customer Liability Corporate and Other [Member] Corporate and Other [Member] Corporate and Other Operating Expenses Corporate And Other Operating Expenses Corporate and Other expenses Corporate income tax rate on casino operations Corporate Income Tax Rate On Casino Operations Corporate income tax rate on casino operations Amount represents (1) the difference between the fair value of the payments made and the carrying amount of the debt at the time of the modification of debt and/or (2) the write-off of deferred financing fees associated with the modification. Cost Associated With Debt Modification Costs associated with debt modification Costs associated with debt modification Cost of Revenue Cost of revenue Cost of revenue Costs and Expenses Total operating costs and expenses Costs and Expenses [Abstract] OPERATING COSTS AND EXPENSES Costs of sales and operating expenses for the period incurred from transactions with the certain parties. Costs And Expenses To Certain Parties Payments to the Philippine Parties Amount of accumulated interest and finance costs and other direct incidental costs capitalized as part of construction in progress. Costs Capitalized To Construction In Progress Costs capitalized to construction in progress Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Total Credit Facility [Member] Credit Facility [Member] Total Credit Facility [Member] Crowns Subsidiary [Member] Crowns Subsidiary [Member] Crown's subsidiary [Member] Cultural heritage fee percentage of casino revenues generated from non-junket operation tables payable to PAGCOR. Cultural Heritage Fee Percentage Of Casino Revenues Generated From Non Junket Operation Tables Cultural heritage fee percentage of casino revenues generated from non-junket operation tables payable to PAGCOR Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle on equity investment standard applied in the period of adoption. Cumulative Effect Of New Accounting Principle On Equity Investment Standard In Period Of Adoption Cumulative-effect adjustment upon adoption of new standard on equity investments Increase to accumulated losses upon adoption of new standard on equity investments Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle on revenue standard applied in the period of adoption. Cumulative Effect Of New Accounting Principle On Revenue Standard In Period Of Adoption Cumulative-effect adjustment upon adoption of New Revenue Standard Current Fiscal Year End Date Current Fiscal Year End Date Current Income Tax Expense (Benefit) Income tax expense - current Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Income tax expense - current: Cyprus Project [Member] Cyprus Project [Member] Cyprus Project [Member] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument Average Interest Rate During Period Debt Instrument Average Interest Rate During Period Average borrowing rate per annum Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Basis Spread on Variable Rate Interest rate margin per annum added to applicable variable rate Long-term Debt, Gross Total outstanding borrowings The carrying value of long-term debt, excluding unamortized deferred financing costs and original issue premium Total long-term debt Total long-term debt Debt Instrument, Description of Variable Rate Basis Interest rate, description Debt Instrument, Face Amount Debt instrument, face amount Philippine Notes, face amount