Investments, All Other Investments [Abstract] FINANCIAL INSTRUMENTS Financial Instruments Disclosure [Text Block] Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] 2026 Notes 2026 Notes [Member] 2026 Notes [Member] 2028 Notes 2028 Notes [Member] 2028 Notes [Member] Exchange Notes, net Senior Exchange Notes [Member] Senior Exchange Notes [Member] IAC Notes IAC Notes [Member] IAC Notes [Member] Term Loan Term Loan [Member] Term Loan [Member] Revolving Corporate Credit Facility Revolving Corporate Credit Facility [Member] Revolving Corporate Credit Facility [Member] Convertible Notes Convertible Senior Notes [Member] Convertible Senior Notes [Member] Non-interest bearing note payable, net Non-Interest Bearing Note Payable [Member] Non-Interest Bearing Note Payable [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Corporate Credit Facility Corporate Credit Facility [Member] Corporate Credit Facility [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Senior Unsecured Notes Senior Notes [Member] Convertible Notes Convertible Debt [Member] Non-interest bearing note payable, net Notes Payable, Other Payables [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] IAC Notes Debt And Finance Lease Obligations Gross Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long term debt and finance lease obligations, gross. Unamortized debt issuance costs Unamortized Debt Issuance Expense Unamortized debt discount and issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Unamortized debt discount Debt Instrument, Unamortized Discount Debt, net Debt And Finance Lease Obligations Net Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long term debt and finance lease obligations, net of unamortized discount and debt issuance costs. Capital lease obligations Capital Lease Obligations Debt issuance costs Debt Issuance Costs, Line of Credit Arrangements, Gross Line of credit facility, amount outstanding Line of Credit Facility, Fair Value of Amount Outstanding Debt Instrument, Interest Rate, Effective Percentage Debt Instrument, Interest Rate, Effective Percentage Equity [Abstract] SHAREHOLDERS' EQUITY Stockholders' Equity Note Disclosure [Text Block] Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] ILG, Inc ILG, Inc [Member] ILG, Inc [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Equivalent shares of Marriott Vacations Worldwide common stock issued in exchange for ILG outstanding shares (in shares) Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Marriott Vacations Worldwide common stock price as of Acquisition Date (in usd per share) Business Acquisition, Share Price Fair value of Marriott Vacations Worldwide common stock issued in exchange for ILG outstanding shares Business Combination Consideration Transferred Equity Interests Issued and Issuable, Common Stock Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Common Stock Cash consideration to ILG shareholders, net of cash acquired of $154 million Payments to Acquire Businesses, Net of Cash Acquired Fair value of ILG equity-based awards attributed to pre-combination service Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Equity Awards Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Equity Awards Total consideration transferred, net of cash acquired Business Combination, Consideration Transferred Noncontrolling interests Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value Total shareholder equity Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Cash acquired from acquisition Cash Acquired from Acquisition Revenues Business Acquisition, Pro Forma Revenue Net income Business Acquisition, Pro Forma Net Income (Loss) Net income attributable to common shareholders Business Acquisition, Pro Forma Net income, Attributable To Common Shareholders Business Acquisition, Pro Forma Net income, Attributable To Common Shareholders EARNINGS PER SHARE ATTRIBUTABLE TO COMMON SHAREHOLDERS Earnings Per Share, Pro Forma [Abstract] Basic (in usd per share) Business Acquisition, Pro Forma Earnings Per Share, Basic Diluted (in usd per share) Business Acquisition, Pro Forma Earnings Per Share, Diluted Receivables [Abstract] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Securitized Securitized Vacation Ownership Notes Receivable [Member] Securitized vacation ownership notes receivable Non-Securitized Nonsecuritized Vacation Ownership Notes Receivable [Member] Nonsecuritized vacation ownership notes receivable Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Interest income Interest On Notes Receivable Interest On Notes Receivable Contractual interest expense Interest Expense, Debt, Excluding Amortization Amortization of debt discount Amortization of Debt Discount (Premium) Debt issuance cost amortization Amortization of Debt Issuance Costs Interest Expense, Debt Interest Income (Expense), Nonoperating, Net Revenue from Contract with Customer [Abstract] Revenue, Initial Application Period Cumulative Effect Transition [Table] Revenue, Initial Application Period Cumulative Effect Transition [Table] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Corporate and other Corporate, Non-Segment [Member] Sale of vacation ownership products Time Share [Member] Ancillary revenues Ancillary Revenues [Member] Ancillary Revenues Management fee revenues Management Service [Member] Other services revenues Service, Other [Member] Management and exchange Management And Exchange [Member] Management And Exchange Rental Rental [Member] Rental [Member] Cost reimbursements Cost Reimbursements [Member] Cost Reimbursements [Member] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Vacation Ownership Vacation Ownership [Member] Vacation Ownership [Member] Exchange & Third-Party Management Exchange and Third-Party Management [Member] Exchange and Third-Party Management [Member] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Revenue from contracts with customers Revenue from Contract with Customer, Excluding Assessed Tax Cost reimbursements Revenues, Cost Reimbursement Revenues, Cost Reimbursement Financing Financing Revenue Not From Contract With Customer Financing revenues include interest income earned on vacation ownership notes receivable, fees earned from servicing the existing vacation ownership notes receivable portfolio, and other transaction-based fees charged to owners and other third parties for services. TOTAL REVENUES Revenues Accounting Policies [Abstract] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Statistical Measurement [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Estimated useful lives of the assets Property, Plant and Equipment, Useful Life Property, Plant and Equipment [Abstract] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Land and Land Improvements Land and Land Improvements [Member] Ancillary business Property, Plant and Equipment, Other Types [Member] Impairment Asset Impairment Charges Property, plant and equipment to be sold Contractual Sales Price For Property And Equipment Contractual Sales Price for disposition of Property and equipment Ownership [Axis] Ownership [Axis] Ownership [Domain] Ownership [Domain] VRI Europe Limited VRI Europe Limited [Member] VRI Europe Limited [Member] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Strategic Change Strategic Change [Member] Strategic Change [Member] Land Land [Member] Ancillary Business Ancillary Business [Member] Ancillary Business [Member] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Group Name [Domain] Disposal Group Name [Domain] Cancun Mexico and Avon Colorado [Member] Cancun Mexico and Avon Colorado [Member] Cancun Mexico and Avon Colorado [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] San Francisco, California San Francisco California [Member] San Francisco California [Member] Marco Island, Florida Marco Island Florida [Member] Marco Island Florida [Member] Bali, Indonesia Resort One Bali, Indonesia Resort One [Member] Bali, Indonesia Resort One [Member] Big Island Of Hawaii Big Island Of Hawaii [Member] Big Island Of Hawaii [Member] Number of resorts Number of Resorts Number of Resorts Business combination, share price (in usd per share) Vacation ownership product, financing term Vacation Ownership Product, Financing Term Vacation Ownership Product, Financing Term Number of hotels acquired Number of Businesses Acquired Business combinations, pro forma, acquisition-related costs Business Combinations, Pro Forma, Acquisition-related Costs Costs incurred to effect a business combination, integration costs, severance and other employee-related costs Number of vacation ownership units acquired Number Of Vacation Ownership Units Acquired Number Of Vacation Ownership Units Acquired Depreciation and amortization Amortization of Intangible Assets Year 1 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Year 2 Finite-Lived Intangible Assets, Amortization Expense, Year Two Year 3 Finite-Lived Intangible Assets, Amortization Expense, Year Three Year 4 Finite-Lived Intangible Assets, Amortization Expense, Year Four Year 5 Finite-Lived Intangible Assets, Amortization Expense, Year Five Payments to acquire real estate Payments to Acquire Real Estate Percentage of voting interests acquired Noncontrolling Interest, Ownership Percentage by Parent Disposition of subsidiary shares to noncontrolling interest holder Divestiture of Interest in Consolidated Subsidiaries Divestiture of Interest in Consolidated Subsidiaries Disposals Significant Acquisitions And Disposals Consideration Received And Receivable Significant Acquisitions And Disposals Consideration Received And Receivable Consideration receivable Significant Acquisitions And Disposals Consideration Receivable Significant Acquisitions And Disposals Consideration Receivable Disposals cash proceeds Significant Acquisitions and Disposals Acquisition Cash Proceeds The cash paid or proceeds received by the entity in the significant acquisition or disposal. Receivable VRI Europe Financing Receivable, before Allowance for Credit Loss, Current Notes receivable Financing Receivable, before Allowance for Credit Loss, Noncurrent Asset acquisition, consideration transferred Asset Acquisition, Consideration Transferred Total purchase price of asset acquisition. Asset acquisition, recognized identifiable assets acquired, inventory Asset Acquisition, Recognized Identifiable Assets Acquired, Inventory Amount of purchase price allocated to Inventory. Asset acquisition, recognized identifiable assets acquired, property and equipment Asset Acquisition, Recognized Identifiable Assets Acquired, Property And Equipment Amount of purchase price allocated to Property and Equipment. Purchase of vacation ownership units for future transfer to inventory Purchase Of Vacation Ownership Units For Future Transfer To Inventory Purchase Of Vacation Ownership Units For Future Transfer To Inventory Estimated cash proceeds, asset disposals Estimated Cash Proceeds, Asset Disposals Estimated Cash Proceeds, Asset Disposals Impairment charges Dispositions, net Proceeds from Sale of Other Real Estate Held-for-investment Gains on sale Gains (Losses) on Sales of Other Real Estate Noncash transaction, value of consideration Other Significant Noncash Transaction, Value of Consideration Given Non-cash issuance of debt in connection with acquisition of vacation ownership units Noncash or Part Noncash Acquisition, Debt Assumed SECURITIZED DEBT Securitized Vacation Ownership Debt Disclosure [Text Block] The entire disclosure for securitized vacation ownership debt. Schedule of Securitized Vacation Ownership Debt Schedule of Securitized Vacation Ownership Debt [Table Text Block] Tabular disclosure of the securitized vacation ownership debt of the variable interest entities. Scheduled Future Principal Payments for Debt Schedule of Maturities of Long-term Debt [Table Text Block] Share-based Payment Arrangement [Abstract] Schedule of Compensation Cost for Share-based Payment Share-based Payment Arrangement, Cost by Plan [Table Text Block] Schedule of Unrecognized Compensation Cost Share-based Payment Arrangement, Nonvested Award, Cost [Table Text Block] Additional Information on Outstanding RSUs Issued to Employees Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Changes in Outstanding Marriott Vacations Worldwide SARs Issued to Both Marriott International and Marriott Vacations Worldwide Employees and Non-employee Directors Share-based Payment Arrangement, Stock Appreciation Right, Activity [Table Text Block] Assumptions used to Estimate Fair Value of Grants Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions [Table Text Block] Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions [Table Text Block] Inventory Disclosure [Abstract] Composition of Inventory Inventory [Table Text Block] Inventory Table Organization, Consolidation and Presentation of Financial Statements [Abstract] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Accounts Payable and Accrued Liabilities Accounts Payable and Accrued Liabilities [Member] Advance Deposits and Accrued Liabilities Advance Deposits and Accrued Liabilities [Member] Advance Deposits and Accrued Liabilities [Member] Deferred Revenue and Accrued Liabilities Deferred Revenue and Accrued Liabilities [Member] Deferred Revenue and Accrued Liabilities [Member] Payroll and Benefits Liability And Accounts Payable Payroll and Benefits Liability And Accounts Payable [Member] Payroll and Benefits Liability And Accounts Payable [Member] Payroll and Benefits Liability And Accrued Liabilities Payroll and Benefits Liability And Accrued Liabilities [Member] Payroll and Benefits Liability And Accrued Liabilities [Member] Other Debt Other Debt [Member] Other Debt Restatement [Axis] Restatement [Axis] Restatement [Domain] Restatement [Domain] Conforming Reclassifications Restatement Adjustment [Member] Error Corrections and Prior Period Adjustments Restatement [Line Items] Error Corrections and Prior Period Adjustments Restatement [Line Items] Percent of the assets, liabilities, revenues, expenses and cash flows discussed Percentage of Assets, Liabilities, Revenues, Expenses and Cash Flows Consolidated and Discussed Percentage of Assets, Liabilities, Revenues, Expenses and Cash Flows Consolidated and Discussed Accounts payable Accounts Payable Employee-related Liabilities Employee-related Liabilities Advance deposits Contract With Customer, Liability, Advance Deposits Contract With Customer, Liability, Advance Deposits Deferred revenue Contract With Customer, Liability, Deferred Revenue Contract With Customer, Liability, Deferred Revenue Accrued liabilities Accrued Liabilities Securitized debt, net Secured Debt Fiscal period duration Fiscal Period Duration Debt, net Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statement [Table] Legacy MVW Legacy MVW [Member] Legacy MVW [Member] Legacy ILG Legacy ILG [Member] Legacy ILG [Member] Condensed Balance Sheet Statements, Captions [Line Items] Condensed Balance Sheet Statements, Captions [Line Items] Period in which loan considered past due Past Due Period Past Due Period Period in which loan suspend accrual of interest Past Due Loan Suspend Accrual of Interest Period Past Due Loan Suspend Accrual of Interest Period Period in which loan considered default loan Loan Payments Delinquency Period Beyond which Loan is Considered Defaulted Loan Payments Delinquency Period Beyond which Loan is Considered Defaulted Average Estimated Rate Of Default For All Outstanding Loans Average Estimated Rate Of Default For All Outstanding Loans Average estimated rate of default for all outstanding loans. Estimated default rate increases that would have resulted an increase in allowance for credit losses Result of Increase in Estimated Default Rate The projected increased default rate to apply to the allowance for credit losses. Financing receivable, allowance for credit losses, that would have been increased Financing Receivable, Allowance For Credit Losses, That Would Have Been Increased Financing Receivable, Allowance For Credit Losses, That Would Have Been Increased Weighted average FICO score within originated loan pool Weighted average FICO score within originated loan pool Weighted average FICO score within originated loan pool Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Adjusted EBITDA Adjusted Earnings Before Income Taxes Depreciation And Amortization A non-GAAP financial measure equal to adjusted earnings before income taxes, depreciation and amortization Corporate and other Corporate and Other Income Expense Corporate and other income (expense). Interest expense Tax provision Income Tax Expense (Benefit) Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Non-cash share-based compensation expense Share-based Payment Arrangement, Expense Certain items Certain Items Adjusted EBITDA Reconciliation Represents certain items that are used to reconcile Adjusted EBITDA to Net Income Attributable to Common Shareholders Net income (loss) attributable to common shareholders Net Income (Loss) Attributable to Parent Receivables Contract with Customer, Asset, after Allowance for Credit Loss [Abstract] Accounts receivable Contracts With Customers, Accounts Receivable The right to consideration that is unconditional from contracts with customers that is classified within accounts receivable Vacation ownership notes receivable, net Financing Receivable, after Allowance for Credit Loss Receivables Contract with Customer, Receivable The total right to consideration that is unconditional from contracts with customers Contract Liabilities Contract with Customer, Liability [Abstract] Contract Liabilities Contract with Customer, Liability Segment Reporting Disclosure [Table] Segment Reporting Disclosure [Table] Segment Reporting Disclosure [Table] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Geographic Concentration Risk Geographic Concentration Risk [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Revenue Revenue Benchmark [Member] All other countries Non-US [Member] Segment Reporting Disclosure [Line Items] Segment Reporting Disclosure [Line Items] Segment Reporting Disclosure [Line Items] Number of business segments Number of Reportable Segments Number of brands Number of Brands Number of Brands Concentration risk Concentration Risk, Percentage Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Title of Individual [Axis] Title of Individual [Axis] Title of Individual [Domain] Title of Individual [Domain] Employees and Non Employee Directors Employees And Non Employee Directors [Member] Employees And Non Employee Directors [Member] Award Type Award Type [Axis] Award Type [Domain] Award Type [Domain] Performance-based RSUs Performance Based Restricted Stock Unit [Member] Performance Based Restricted Stock Unit [Member] SARs Stock Appreciation Rights (SARs) [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Stock awards, vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Stock awards, expiration from grant date Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Guarantees and Product Warranties [Abstract] Condensed Financial Statements [Table] Condensed Financial Statements [Table] MORI Marriott Ownership Resorts, Inc [Member] Marriott Ownership Resorts, Inc [Member] ILG Senior MVW Notes Senior MVW Notes [Member] Senior MVW Notes [Member] Reportable Legal Entities Reportable Legal Entities [Member] Total Eliminations Consolidation, Eliminations [Member] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] MVWC Parent Company [Member] Issuers Subsidiary Issuer [Member] Senior Notes Guarantors Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries Non-Guarantor Subsidiaries [Member] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Revenues Expenses Costs and Expenses Gains and other income, net Gains (Losses) And Other Income (Expense), Net Gains (Losses) And Other Income (Expense), Net ILG acquisition-related costs Business Combination, Acquisition Related Costs Other Other Nonoperating Income (Expense) Benefit (provision) for income taxes Equity in net income of subsidiaries Equity In Net Income of Subsidiaries Equity In Net Income of Subsidiaries NET INCOME Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net (income) loss attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest VACATION OWNERSHIP NOTES RECEIVABLE Financing Receivables [Text Block] ACQUISITIONS AND DISPOSITIONS Mergers, Acquisitions and Dispositions Disclosures [Text Block] Financing Receivable [Axis] Financing Receivable [Axis] Financing Receivable [Axis] Financing Receivable [Domain] Financing Receivable [Domain] [Domain] for Financing Receivable [Axis] Acquired Acquired [Member] Acquired [Member] Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward] Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward] Balance at Acquisition Date Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance Acquired accretable yield Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Additions Accretion Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion Reclassification to non-accretable difference Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Reclassifications (to) from Nonaccretable Difference Balance at end of period Non-accretable difference Certain Loans Acquired in Transfer, Nonaccretable Difference Balance Sheet Condensed Balance Sheet [Table Text Block] Income Statement Condensed Income Statement [Table Text Block] Cash Flow Condensed Cash Flow Statement [Table Text Block] Earnings Per Share [Abstract] Reconciliation of Earnings and Number of Shares Used in Calculation of Basic and Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Beginning balance Stockholders' Equity Attributable to Parent Other comprehensive loss before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent Reclassification to Income Statement Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Net other comprehensive loss Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Ending balance Cover page. Title of 12(b) Security Title of 12(b) Security Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Document Type Document Type Document Quarterly Report Document Annual Report Document Period End Date Document Period End Date Document Transition Report Document Transition Report Entity File Number Entity File Number Entity Registrant Name Entity Registrant Name City Area Code City Area Code Local Phone Number Local Phone Number Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Entity Emerging Growth Company Entity Shell Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Public Float Entity Public Float Amendment Flag Amendment Flag Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code Documents Incorporated by Reference [Text Block] Documents Incorporated by Reference [Text Block] Income Tax Disclosure [Abstract] Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] - U.S. Federal Current Federal Tax Expense (Benefit) – U.S. State Current State and Local Tax Expense (Benefit) – Non-U.S. Current Foreign Tax Expense (Benefit) Current Income Tax Expense (Benefit) Current Income Tax Expense (Benefit) Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] – U.S. Federal Deferred Federal Income Tax Expense (Benefit) – U.S. State Deferred State and Local Income Tax Expense (Benefit) – Non-U.S. Deferred Foreign Income Tax Expense (Benefit) Deferred income taxes Deferred Income Tax Expense (Benefit) Provision for income taxes Service-based RSUs Service Based Restricted Stock Unit [Member] Service Based Restricted Stock Unit [Member] Restricted stock units Restricted Stock Units (RSUs) [Member] ILG Acquisition Converted Restricted Stock Unit RSUs ILG Acquisition Converted Restricted Stock Unit RSUs [Member] ILG Acquisition Converted Restricted Stock Unit RSUs [Member] Stock options Marriott Vacations Worldwide Corporation [Member] Marriott Vacations Worldwide Corporation Share-based compensation expense Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Risk-free rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Expected term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Deferred compensation costs related to unvested awards Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Outstanding, weighted average remaining contractual terms Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Deferred compensation expense weighted average expected recognition period Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Restricted cash Restricted Cash and Cash Equivalents Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss Inventory Inventory Timeshare Total of (1) improvements, (2) held-for-sale, (3) construction-in-process, and (4) operating supplies, held in the normal course of business. Property and equipment Property, Plant and Equipment, Net Goodwill Goodwill Intangibles, net Intangible Assets, Net (Excluding Goodwill) Due from parent Due from Related Parties Investments in subsidiaries Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Other Other Assets TOTAL ASSETS Assets Payroll and benefits liability Deferred compensation liability Deferred Compensation Liability, Current and Noncurrent Debt, net Due to subsidiary Due to Related Parties Other Other Liabilities Deferred Income Tax Liabilities, Net Deferred Income Tax Liabilities, Net MVW shareholders' equity Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest TOTAL LIABILITIES AND EQUITY Liabilities and Equity Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Table] Commitments and Contingencies Disclosure [Table] Commitments and Contingencies Disclosure [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Unusual or Infrequent Item, or Both [Axis] Unusual or Infrequent Item, or Both [Axis] Unusual or Infrequent Item, or Both [Domain] Unusual or Infrequent Item, or Both [Domain] Fraudulently Induced Electronic Payment Disbursements Fraudulently Induced Electronic Payment Disbursements [Member] Fraudulently Induced Electronic Payment Disbursements [Member] Litigation Status [Axis] Litigation Status [Axis] Litigation Status [Domain] Litigation Status [Domain] Agreements In Principle To Settle Agreements In Principle To Settle [Member] Agreements In Principle To Settle [Member] Catastrophic Event [Axis] Catastrophic Event [Axis] Catastrophic Event [Domain] Catastrophic Event [Domain] Hurricane Hurricane [Member] Period [Axis] Period [Axis] Period [Axis] Period [Domain] Period [Domain] Period [Domain] Fiscal Year 2019 Fiscal Year 2019 [Member] Fiscal Year 2019 [Member] New York City New York City [Member] New York City [Member] Bali, Indonesia Resort Bali, Indonesia Resort Two [Member] Bali, Indonesia Resort Two [Member] Waikiki Hawaii Waikiki Hawaii [Member] Waikiki Hawaii [Member] Loss Contingency Nature Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Information technology hardware and software Information Systems and Technology [Member] Information Systems and Technology Letter of Credit Letter of Credit [Member] Commitments and Contingencies Disclosure [Line Items] Commitments and Contingencies Disclosure [Line Items] Commitments and Contingencies Disclosure [Line Items] Contractual commitments future minimum payments due Purchase Obligation Purchase of vacation ownership units Purchase Of Vacation Ownership Units Purchase Of Vacation Ownership Units Commitment to purchase due in 2020 Purchase Obligation, Due in Next Twelve Months Commitment to purchase due in 2021 Purchase Obligation, Due in Second Year Commitment to purchase due in 2022 Purchase Obligation, Due in Third Year Commitment to purchase due in 2023 Purchase Obligation, Due in Fourth Year Commitment to purchase due in 2024 Purchase Obligation, Due in Fifth Year Minimum lease payments Capital Leases, Future Minimum Payments Due Expected number of ownership units to be acquired Expected Number of Ownership Units to be Acquired Expected Number of Ownership Units to be Acquired Surety bonds issued Surety Bonds Surety Bonds issued. Revolving credit facility amount Line of Credit Facility, Maximum Borrowing Capacity Guarantor obligations, maximum exposure Guarantor Obligations, Maximum Exposure, Undiscounted Guarantor obligations, maximum exposure, due remainder of fiscal year Guarantor Obligations, Maximum Exposure, Undiscounted Due Remainder of Fiscal Year Guarantor Obligations, Maximum Exposure, Undiscounted Due Remainder of Fiscal Year Guarantor obligations, maximum exposure, due remainder of second year Guarantor Obligations, Maximum Exposure, Undiscounted, Due In Second Year Guarantor Obligations, Maximum Exposure, Undiscounted, Due In Second Year Guarantor obligations, maximum exposure, due remainder of third year Guarantor Obligations, Maximum Exposure, Undiscounted, Due In Third Year Guarantor Obligations, Maximum Exposure, Undiscounted, Due In Third Year Guarantor obligations, maximum exposure, due remainder of fourth year Guarantor Obligations, Maximum Exposure, Undiscounted, Due In Fourth Year Guarantor Obligations, Maximum Exposure, Undiscounted, Due In Fourth Year Guarantor obligations, maximum exposure, due remainder of five year Guarantor Obligations, Maximum Exposure, Undiscounted, Due In Five Year Guarantor Obligations, Maximum Exposure, Undiscounted, Due In Five Year Guarantor obligations, maximum exposure, due after fifth year Guarantor Obligations, Maximum Exposure, Undiscounted, Due After Fifth Year Guarantor Obligations, Maximum Exposure, Undiscounted, Due After Fifth Year Litigation settlement Gain (Loss) Related to Litigation Settlement Fraudulently induced electronic payments Fraudulently Induced Electronic Payment Disbursements Made To Third Parties Fraudulently Induced Electronic Payment Disbursements Made To Third Parties Recorded fraudulently induced electronic payment disbursements Recovered Fraudulently Induced Electronic Payment Disbursements made to Third Parties Recovered Fraudulently Induced Electronic Payment Disbursements made to Third Parties Proceeds from legal settlements Proceeds from Legal Settlements Loss Number of properties Number of Properties Number of Properties Nonoperating income (expense) Gains And Other Income, Net Gains And Other Income, Net Gain on business interruption insurance recovery Gain on Business Interruption Insurance Recovery Deductible Business Interruption Insurance Recovery, Deductible Business Interruption Insurance Recovery, Deductible SUPPLEMENTAL GUARANTOR INFORMATION Condensed Financial Statements [Text Block] Contract with customer, contract assets Contract with Customer, Asset, before Allowance for Credit Loss Contract with customer, liability, revenue recognized Contract with Customer, Liability, Revenue Recognized Composition of Property and Equipment Property, Plant and Equipment [Table Text Block] Leases [Abstract] Cash paid for amounts included in measurement of lease liabilities Cash paid for amounts included in measurement of lease liabilities [Abstract] Cash paid for amounts included in measurement of lease liabilities [Abstract] Operating cash flows for finance leases Finance Lease, Interest Payment on Liability Operating cash flows for operating leases Operating Lease, Payments Financing cash flows for finance leases Finance Lease, Principal Payments Right-of-use assets obtained in exchange in exchange for lease obligations [Abstract] Right-of-use assets obtained in exchange in exchange for lease obligations [Abstract] Right-of-use assets obtained in exchange in exchange for lease obligations [Abstract] Operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Finance leases Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Reconciliation of Revenue from Segments to Consolidated [Table] Reconciliation of Revenue from Segments to Consolidated [Table] Operating Segments Operating Segments [Member] United States UNITED STATES Segment Reporting, Revenue Reconciling Item [Line Items] Segment Reporting, Revenue Reconciling Item [Line Items] Revenues excluding cost reimbursement Revenues Excluding Reimbursed Costs Revenues Excluding Reimbursed Costs Long Term Debt Maturities Repayments Of Principal [Table] Long Term Debt Maturities Repayments Of Principal [Table] Long Term Debt Maturities Repayments Of Principal [Table] Revolving Corporate Credit Facility Long Term Debt Maturities Repayments Of Principal [Line Items] Long Term Debt Maturities Repayments Of Principal [Line Items] Long Term Debt Maturities Repayments Of Principal [Line Items] Debt Principal Payments Year Long-term Debt, Fiscal Year Maturity [Abstract] 2020 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 2021 Long-term Debt, Maturities, Repayments of Principal in Year Two 2022 Long-term Debt, Maturities, Repayments of Principal in Year Three 2023 Long-term Debt, Maturities, Repayments of Principal in Year Four 2024 Long-term Debt, Maturities, Repayments of Principal in Year Five Thereafter Long-term Debt, Maturities, Repayments of Principal after Year Five Total Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Variable Interest Entities [Axis] Variable Interest Entities [Axis] Variable Interest Entity, Classification [Domain] Variable Interest Entity, Classification [Domain] Variable Interest Entity Variable Interest Entity, Primary Beneficiary [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Cash surrender value of life insurance Cash Surrender Value of Life Insurance Marketable securities Marketable Securities Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Member relationships Customer Relationships [Member] Management contracts Management Contracts [Member] Management Contracts [Member] 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] Trade names and trademarks Trademarks and Trade Names [Member] Estimated Fair Value Finite-lived Intangible Assets Acquired Estimated Fair Value Indefinite-lived Intangible Assets Acquired Estimated Useful Life Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Classifications of Consolidated Variable Interest Entities Schedule of Variable Interest Entities [Table Text Block] Interest Income and Interest Expense Interest Income and Interest Expense Disclosure [Table Text Block] Cash Flows Between Company and Variable Interest Entities Cash Flows Between Securitization Special Purpose Entity SPE And Transferor [Table Text Block] Cash Flows Between Securitization Special Purpose Entity SPE And Transferor Finished goods Inventory, Real Estate, Timeshare Available-for-sale Work-in-progress Inventory, Work in Process, Gross Real estate inventory Inventory Timeshare, Gross Total of (1) improvements, (2) held-for-sale, and (3) construction-in-process. Other Other Inventory, Gross Inventory Amount of completed vacation ownership units classified as property and equipment Amount Of Completed Vacation Ownership Units Classified As Property And Equipment Amount Of Completed Vacation Ownership Units Classified As Property And Equipment Quarterly Financial Information Disclosure [Abstract] Revenues Basic earnings per share (in usd per share) Earnings Per Share, Basic Diluted earnings per share (in usd per share) Earnings Per Share, Diluted Consideration Transferred Business Combination Consideration Transferred [Table Text Block] Business Combination Consideration Transferred [Table Text Block] Schedule of Recognized Identified Assets Acquired and Liabilities Assumed Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Goodwill Acquired as Part of Business Combination Schedule of Goodwill [Table Text Block] Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] Business Acquisition, Pro Forma Information Business Acquisition, Pro Forma Information [Table Text Block] QUARTERLY RESULTS (UNAUDITED) Quarterly Financial Information [Text Block] Composition of Vacation Ownership Notes Receivable Balances, Net of Reserves Notes Receivable, Balances, Net Of Reserves [Table Text Block] Notes Receivable, Balances, Net Of Reserves [Table Text Block] Interest Income Associated with Vacation Ownership Notes Receivable Schedule Of Components Of Investment Income Included In Interest Income Table [Text Block] Interest Income associated with vacation ownership notes receivable. Schedule of Accretable Yield Schedule Of Accretable Yield [Table Text Block] Schedule Of Accretable Yield [Table Text Block] Future Principal Payments, Net of Reserves, and Interest Rates of Vacation Ownership Notes Receivable Schedule of Financing Receivables, Minimum Payments [Table Text Block] Notes Receivable Reserves Financing Receivable, Allowance for Credit Loss [Table Text Block] Recorded Investment in Non-accrual Notes Receivable that are 90 Days or More Past Due Financing Receivable, Nonaccrual [Table Text Block] Aging of Recorded Investment in Principal, Before Reserves, in Vacation Ownership Notes Receivable Financing Receivable, Past Due [Table Text Block] Financing Receivable Credit Quality Indicators Financing Receivable Credit Quality Indicators [Table Text Block] Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward] Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward] Beginning balance Time Sharing Transactions, Allowance for Uncollectible Accounts Increase in vacation ownership notes receivable reserve Financing Receivable, Credit Loss, Expense (Reversal) Securitizations Securitized Financing Receivable Securitized Financing Receivable Clean-up call Time Sharing Transactions, Clean-Up Of Warehouse Credit Facility Time Sharing Transactions, Clean-Up Of Warehouse Credit Facility Write-offs Time Sharing Transactions, Allowance for Uncollectible Accounts, Deductions for Direct Write-offs Charged Against Allowance Defaulted vacation ownership notes receivable repurchase activity Financing Receivable, Allowance for Credit Losses, Repurchase Activity Financing Receivable, Allowance for Credit Losses, Repurchase Activity Ending balance U.S. statutory income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent U.S. state income taxes, net of U.S. federal tax benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Share-based compensation, net of Section 162(m) limitation Effective Income Tax Rate Reconciliation Share Based Compensation Expense Tax Benefit Percent Effective Income Tax Rate Reconciliation Share Based Compensation Expense Tax Benefit Percent Transaction costs Effective Income Tax Rate, Transaction Costs Effective Income Tax Rate, Transaction Costs Other permanent differences Effective Income Tax Rate Reconciliation Permanent Difference Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to permanent differences. Impact related to the Tax Cuts and Jobs Act of 2017 Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Foreign tax rate changes Effective Income Tax Rate Reconciliation Foreign Rate Change Percent Effective Income Tax Rate Reconciliation Foreign Rate Change Percent Non-U.S. income (loss) Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Foreign tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Percent Unrecognized tax benefits Effective Income Tax Rate Reconciliation, Unrecognized Tax Benefits, Percent Effective Income Tax Rate Reconciliation, Unrecognized Tax Benefits, Percent Other items Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Effective rate Effective Income Tax Rate Reconciliation, Percent Land and land improvements Land Buildings and leasehold improvements Buildings and Improvements, Gross Furniture, fixtures and other equipment Fixtures and Equipment, Gross Information technology Information technology assets, Gross Information technology assets, Gross Construction in progress Construction in Progress, Gross Property, plant and equipment, gross Property, Plant and Equipment, Gross Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, plant and equipment, net Computation of Basic Earnings Per Share Attributable to Common Shareholders Earnings Per Share, Basic [Abstract] Shares for basic earnings per share (in shares) Weighted Average Number of Shares Outstanding, Basic Computation of Diluted Earnings Per Share Earnings Per Share, Diluted [Abstract] Effect of dilutive shares outstanding Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] Employee stock options and SARs (in shares) Incremental Common Shares Attributable To Stock Option And Stock Appreciation Right Plans Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements for stock options and Stock Appreciation Rights using the treasury stock method. Restricted stock units (in shares) Incremental Common Shares Attributable to Restricted Stock Units Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements for Restricted Stock Units using the treasury stock method. Shares for diluted earnings per share (in shares) Weighted Average Number of Shares Outstanding, Diluted Assets and Liabilities Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee [Table Text Block] Components of Lease Expense Lease, Cost [Table Text Block] Maturities of Operating Lease Liabilities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Maturities of Financing Lease Liabilities Finance Lease, Liability, Maturity [Table Text Block] DEBT Debt Disclosure [Text Block] Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2016-02 Accounting Standards Update 2016-02 [Member] Common Stock Common Stock [Member] Treasury Stock Treasury Stock [Member] Additional Paid-In Capital Additional Paid-in Capital [Member] Accumulated Other Comprehensive Income AOCI Attributable to Parent [Member] Retained Earnings Retained Earnings [Member] Total MVW Shareholders' Equity Parent [Member] Noncontrolling Interests Noncontrolling Interest [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance (in shares) Common Stock, Shares, Issued Balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance Impact of adoption of ASU 2016-02 Cumulative Effect of New Accounting Principle in Period of Adoption Net income ILG Acquisition purchase accounting adjustment Change in Business Combination Acquisition of Less Than 100 Percent Noncontrolling Interest Fair Value Adjustment to the fair value of the noncontrolling interest in the acquiree at the acquisition date ILG Acquisition (in shares) Stock Issued During Period, Shares, Acquisitions ILG Acquisition Stock Issued During Period, Value, Acquisitions Disposition of subsidiary shares to noncontrolling interest holder Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Derivative instrument adjustment Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Amounts related to share-based compensation (in shares) Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture Amounts related to share-based compensation APIC, Share-based Payment Arrangement, Recognition and Exercise Repurchase of common stock Treasury Stock, Value, Acquired, Cost Method Dividends Dividends Equity component of convertible notes, net of issuance costs Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt Purchase of convertible note hedges Adjustments To Additional Paid In Capital, Convertible Note Hedges Adjustments To Additional Paid In Capital, Convertible Note Hedges Issuance of warrants Adjustments to Additional Paid in Capital, Warrant Issued Employee stock plan issuance (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Employee stock plan issuance Stock Issued During Period, Value, Employee Stock Purchase Plan Tax restructuring transaction (in shares) Tax Restructuring Transaction, Shares Tax Restructuring Transaction, Shares Tax restructuring transaction Tax Restructuring Transaction Tax Restructuring Transaction Balance (in shares) Balance Net cash, cash equivalents and restricted cash (used in) provided by operating activities Net Cash Provided by (Used in) Operating Activities Net cash, cash equivalents and restricted cash (used in) provided by investing activities Net Cash Provided by (Used in) Investing Activities Net cash, cash equivalents and restricted cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Effect of changes in exchange rates on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents and restricted cash, beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents and restricted cash, end of period Debt Balances, Net of Unamortized Debt Issuance Costs Schedule of Debt [Table Text Block] Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Convertible Debt Convertible Debt [Table Text Block] EARNINGS PER SHARE Earnings Per Share [Text Block] Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Restricted cash (including $64 and $69 from VIEs, respectively) Accounts receivable, net (including $13 and $11 from VIEs, respectively) Vacation ownership notes receivable, net (including $1,750 and $1,627 from VIEs, respectively) Other (including $39 and $26 from VIEs, respectively) LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Accrued liabilities (including $2 and $2 from VIEs, respectively) Securitized debt, net (including $1,871 and $1,706 from VIEs, respectively) Debt, net TOTAL LIABILITIES Liabilities Contingencies and Commitments (Note 11) Commitments and Contingencies Preferred stock — $.01 par value; 2,000,000 shares authorized; none issued or outstanding Preferred Stock, Value, Issued Common stock — $.01 par value; 100,000,000 shares authorized; 75,020,272 and 57,626,462 shares issued, respectively Common Stock, Value, Issued Treasury stock — at cost; 33,438,176 and 11,633,731 shares, respectively Treasury Stock, Value Additional paid-in capital Additional Paid in Capital, Common Stock Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Retained earnings Retained Earnings (Accumulated Deficit) TOTAL MVW SHAREHOLDERS' EQUITY TOTAL EQUITY Weighted-average remaining lease term (in years) Weighted-average remaining lease term [Abstract] Weighted-average remaining lease term [Abstract] Operating leases Operating Lease, Weighted Average Remaining Lease Term Finance leases Finance Lease, Weighted Average Remaining Lease Term Weighted-average discount rate Weighted-average discount rate, lease [Abstract] Weighted-average discount rate, lease [Abstract] Operating leases Operating Lease, Weighted Average Discount Rate, Percent Finance leases Finance Lease, Weighted Average Discount Rate, Percent Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Revenue, Remaining Performance Obligation Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Contract with Customer, Asset and Liability Contract with Customer, Asset and Liability [Table Text Block] Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Table] Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Table] Segment Reporting, Other Significant Reconciling Item [Line Items] Segment Reporting, Other Significant Reconciling Item [Line Items] Capital Expenditures Payments to Acquire Property, Plant, and Equipment and Inventory Payments to Acquire Property, Plant, and Equipment and Inventory Originated Originated [Member] Originated [Member] Credit Score, FICO [Axis] Credit Score, FICO [Axis] Credit Score, FICO [Domain] Credit Score, FICO [Domain] 700 FICO Score, Greater than 700 [Member] 600 - 699 FICO Score, 600 to 699 [Member] 600 Fico Score Less Than600 [Member] Less than 600 credit score as defined by the external credit rating agency, Fair Isaac Corporation (FICO). Element name and standard label in FICO Score Greater Than [low end numeric value] [Member] or FICO Score Less Than [high end numeric value] [Member] formats. No Score Nil Fico Score [Member] Nil credit score as defined by the external credit rating agency, Fair Isaac Corporation (FICO). Element name and standard label in FICO Score Greater Than [low end numeric value] [Member] or FICO Score Less Than [high end numeric value] [Member] formats. Westin Westin [Member] Represents the information pertaining to Westin brand. Sheraton Sheraton [Member] Represents the information pertaining to Sheraton brand. Hyatt Hyatt [Member] Represents the information pertaining to Hyatt brand. Other Brand, Other [Member] Represents the information pertaining to the other brands, which are not specifically mentioned. Vacation Ownership Notes Receivable Financing Receivable, before Allowance for Credit Loss BASIS OF PRESENTATION Basis of Accounting [Text Block] Number of Awards Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Outstanding at beginning of year (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Stock awards, grants in period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Stock awards, distributed in period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Stock awards, forfeited in period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Outstanding at year-end (in shares) Weighted Average Grant-Date Fair Value Per Share Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Outstanding at beginning of year (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Distributed (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Forfeited (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Outstanding at year-end (in usd per share) Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Event [Table] Subsequent Event [Line Items] Subsequent Event [Line Items] Dividends declared per share of common stock (in usd per share) Common Stock, Dividends, Per Share, Declared REVENUE Revenue from Contract with Customer [Text Block] Principal amount Unamortized debt discount Unamortized debt issuance costs Equity component, net of issuance costs Debt Instrument, Convertible, Carrying Amount of Equity Component Stock Repurchase Activity under Current Stock Repurchase Program Class of Treasury Stock [Table Text Block] Cash Dividend Declared Dividends Declared [Table Text Block] Assets impairment charges Impairment of Long-Lived Assets Held-for-use Income Taxes [Table] Income Taxes [Table] Income Taxes [Table] Valuation Allowance by Deferred Tax Asset [Axis] Valuation Allowance by Deferred Tax Asset [Axis] Deferred Tax Asset [Domain] Deferred Tax Asset [Domain] Indemnified Tax Liability Indemnified Tax Liability [Member] Indemnified Tax Liability [Member] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Foreign Foreign Tax Authority [Member] Federal Domestic Tax Authority [Member] State State and Local Jurisdiction [Member] Income Taxes [Line Items] Income Taxes [Line Items] Income Taxes [Line Items] Share-based compensation, excess tax benefit Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount Other liabilities, tax matters Business Combination Provisional Information Adjustment Other Liabilities, Tax Matters Business Combination Provisional Information Adjustment Other Liabilities, Tax Matters Income tax holiday period Income Tax Holiday Period Income Tax Holiday Period Change in valuation allowance Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Net operating loss carry-forwards Deferred Tax Assets, Operating Loss Carryforwards Net operating loss carry forwards, subject to expiration Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration Tax credit carryforward Deferred Tax Assets, Tax Credit Carryforwards Deferred tax liabilities Deferred Tax Liabilities, Gross Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Penalties and interest accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Defined contribution plan, cost Defined Contribution Plan, Cost Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] EDC Executive Deferred Compensation Plan [Member] Executive Deferred Compensation Plan [Member] Deferred Compensation Plan Deferred Compensation Plan [Member] Deferred Compensation Plan [Member] Marriott International Marriott International Inc [Member] Marriott International Inc Annual rate of return Deferred Compensation Arrangement, Annual Rate of Return Deferred Compensation Arrangement, Annual Rate of Return Additional discretionary contributions Defined Benefit Plan Employer Discretionary Contribution Amount Defined Benefit Plan Employer Discretionary Contribution Amount Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Line Items] Financing Receivable, Past Due [Line Items] Investment in notes receivable on non-accrual status Financing Receivable, Nonaccrual Average investment in notes receivable on non-accrual status Financing Receivable Average Investment Nonaccrual Loans Financing Receivable Average Investment Nonaccrual Loans Schedule of Operating Leased Assets [Table] Schedule of Operating Leased Assets [Table] Operating Leased Assets [Line Items] Operating Leased Assets [Line Items] Finance lease liabilities Finance Lease, Liability Finance lease not yet commenced, term of contract Lessee, Finance Lease, Lease Not yet Commenced, Term of Contract Finance lease not yet commenced, right-of-use asset Lessee, Finance Lease, Lease Not yet Commenced, Right-Of-Use Asset Lessee, Finance Lease, Lease Not yet Commenced, Right-Of-Use Asset Schedule of Variable Interest Entities [Table] Schedule of Variable Interest Entities [Table] Receivable Type [Axis] Receivable Type [Axis] Receivable [Domain] Receivable [Domain] Vacation Ownership Notes Receivable Securitizations Vacation Ownership Notes Receivable Securitizations [Member] Vacation Ownership Notes Receivable Securitizations [Member] Variable Interest Entity, Not Primary Beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Voluntary repurchase of defaulted notes receivable Defaulted Mortgage Loans Repurchased, Net of Substitutions The amount of defaulted mortgage notes receivable, net of substitutions, that were voluntarily repurchased for the period. Voluntary repurchase of other non-defaulted notes receivable Non Defaulted Notes Receivable Repurchased, Net of Substitutions The amount of non-defaulted notes receivable, net of substitutions, that were voluntarily repurchased for the period. Notes receivable (less than) Maximum loss exposure, amount Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Purchase of vacation ownership units finance lease liabilities INCOME TAXES Income Tax Disclosure [Text Block] Warehouse Credit Facility Warehouse Credit Facility [Member] Warehouse Credit Facility [Member] Interest expense to investors Interest Expense, Related Party Administrative expenses General and Administrative Expense Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Services transferred over time Transferred over Time [Member] Goods or services transferred at a point in time Transferred at Point in Time [Member] Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Present value of lease liabilities Lease, Liability Lease, Liability Operating lease assets Lease, Right-of-Use Asset Lease, Right-of-Use Asset Impact of adoption of ASU 2016-02 Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Fair Value Portion at Fair Value Measurement [Member] Carrying Amount Reported Value Measurement [Member] Fair Value Estimate of Fair Value Measurement [Member] Term Loan, net IAC Notes Convertible notes, net Securitized debt, net Non Recourse Debt [Member] Non Recourse Debt Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Total financial assets Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Originated vacation ownership notes receivable Notes Receivable, Fair Value Disclosure Other assets Other Assets, Fair Value Disclosure Total financial assets Assets, Fair Value Disclosure Total financial liabilities Fair Value, Concentration of Risk, Financial Liabilities, Balance Sheet Groupings [Abstract] Debt instrument Debt Instrument, Fair Value Disclosure Convertible notes, net Convertible Debt, Fair Value Disclosures Non-interest bearing note payable, net Notes Payable, Fair Value Disclosure Total financial liabilities Financial Liabilities Fair Value Disclosure Schedule of Impaired Financing Receivable [Table] Schedule of Impaired Financing Receivable [Table] Financing Receivable, Impaired [Line Items] Financing Receivable, Impaired [Line Items] Threshold period past due for general reserve factor of trade accounts receivable Threshold Period Past Due For General Reserve Factor Of Trade Accounts Receivable Threshold Period Past Due For General Reserve Factor Of Trade Accounts Receivable Threshold period past due for write-off of trade accounts receivable Threshold Period Past Due for Write-off of Trade Accounts Receivable Trust Entity [Axis] Trust Entity [Axis] Trust Entity [Axis] Trust Entity [Domain] Trust Entity [Domain] [Domain] for Trust Entity [Axis] MVW 2019-1 LLC MVW 2019-1 LLC [Member] MVW 2019-1 LLC MVW 2019-2 LLC MVW 2019-2 LLC [Member] MVW 2019-2 LLC [Member] MVW 2019 A LLC MVW 2019 A LLC [Member] MVW 2019 A LLC [Member] Debt Secured Debt [Member] Class A Notes Class A Notes [Member] Class A Notes [Member] Class B Notes Class B Notes [Member] Class B Notes [Member] Class C Notes Class C Notes [Member] Class C Notes [Member] Net proceeds from vacation ownership notes receivable securitizations Proceeds from Accounts Receivable Securitization Principal amount Debt Instrument, Face Amount Debt, stated interest rate Debt Instrument, Interest Rate, Stated Percentage Values of vacation ownership notes receivable that were purchased by trust during the period Values of Vacation Ownership Notes Receivable that Were Purchased By Trust During the Period Values of Vacation Ownership Notes Receivable that Were Purchased By Trust During the Period Debt, weighted average interest rate Debt, Weighted Average Interest Rate Period of time that amounts outstanding are due upon termination of facility Credit Facility, Payable Period After Termination Credit Facility, Payable Period After Termination Number of notes receivable pools under performance triggers Number of Notes Receivable Pools Under Performance Triggers Number of Notes Receivable Pools Under Performance Triggers Number of consolidated note receivable pools outstanding Number of Consolidated Notes Receivable Pools Outstanding Number of Consolidated Notes Receivable Pools Outstanding Values of vacation ownership notes receivable that were securitized during the period Values Of Vacation Ownership Notes Receivable That Were Securitized During The Period Values Of Vacation Ownership Notes Receivable That Were Securitized During The Period Advance rate for securitization Advance Rate For Securitization Advance Rate For Securitization Cash flows between transferee and transferor proceeds Cash Flows Between Transferee And Transferor Proceeds Cash Flows Between Transferee And Transferor Proceeds Funding of restricted cash Cash Flows Between Transferee And Transfer or Funding Of Restricted Cash Cash Flows Between Transferee And Transfer or Funding Of Restricted Cash Schedule of Quarterly Financial Information Quarterly Financial Information [Table Text Block] Deferred Tax Assets Deferred Tax Assets, Gross [Abstract] Inventory Deferred Tax Assets, Inventory Reserves Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Reserves Deferred revenue Deferred Tax Assets, Deferred Income Property and equipment Deferred Tax Assets, Property, Plant and Equipment Tax credits Right-of-use asset Deferred Tax Assets, Right-of-use Asset Deferred Tax Assets, Right-of-use Asset Other, net Deferred Tax Assets, Other Deferred tax assets Deferred Tax Assets, Gross Less valuation allowance Deferred Tax Assets, Valuation Allowance Net deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Deferred Tax Liabilities Deferred Tax Liabilities, Gross [Abstract] Property and equipment Deferred Tax Liabilities, Property, Plant and Equipment Deferred sales of vacation ownership interests Deferred Tax Deferred Vacation Ownership Interests Sales Amount of deferred taxes attributed to deferred sales of vacation ownership interests. Right-of-use liability Deferred Tax Liabilities, Right-of-use Liability Deferred Tax Liabilities, Right-of-use Liability Deferred tax liabilities Total net deferred tax liabilities Deferred Tax Liabilities, Net, Excluding Certain Deferred Tax Assets Deferred Tax Liabilities, Net, Excluding Certain Deferred Tax Assets VARIABLE INTEREST ENTITIES Variable Interest Entity Disclosure [Text Block] Vacation ownership notes receivable, net of reserves Vacation Ownership Notes Receivable [Member] Vacation Ownership Notes Receivable [Member] Interest receivable Interest Receivable [Member] Interest Receivable Restricted cash Restricted Cash [Member] Restricted Cash Interest payable Interest Payable [Member] Interest Payable Securitized debt VIE Assets Variable Interest Entity, Consolidated, Carrying Amount, Assets VIE Liabilities Variable Interest Entity, Consolidated, Carrying Amount, Liabilities SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Operating lease assets Operating Lease, Right-of-Use Asset Finance lease assets Finance Lease, Right-of-Use Asset Total lease assets Operating lease liabilities Operating Lease, Liability Operating Leases Lessee, Operating Lease, Liability, Payment, Due [Abstract] 2020 Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year 2021 Lessee, Operating Lease, Liability, Payments, Due Year Two 2022 Lessee, Operating Lease, Liability, Payments, Due Year Three 2023 Lessee, Operating Lease, Liability, Payments, Due Year Four 2024 Lessee, Operating Lease, Liability, Payments, Due Year Five Thereafter Lessee, Operating Lease, Liability, Payments, Due after Year Five Total lease payments Lessee, Operating Lease, Liability, Payments, Due Less: Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Present value of lease liabilities Finance Leases Finance Lease, Liability, Payment, Due [Abstract] 2020 Finance Lease, Liability, Payments, Remainder of Fiscal Year 2021 Finance Lease, Liability, Payments, Due Year Two 2022 Finance Lease, Liability, Payments, Due Year Three 2023 Finance Lease, Liability, Payments, Due Year Four 2024 Finance Lease, Liability, Payments, Due Year Five Thereafter Finance Lease, Liability, Payments, Due after Year Five Total lease payments Finance Lease, Liability, Payment, Due Less: Imputed interest Finance Lease, Liability, Undiscounted Excess Amount Present value of lease liabilities Leases, Operating and Financing [Abstract] Leases, Operating and Financing [Abstract] Leases, Operating and Financing [Abstract] 2020 Lessee, Liability, Payments, Remainder of Fiscal Year Lessee, Liability, Payments, Remainder of Fiscal Year 2021 Lessee, Liability, Payments, Due Year Two Lessee, Liability, Payments, Due Year Two 2022 Lessee, Liability, Payments, Due Year Three Lessee, Liability, Payments, Due Year Three 2023 Lessee, Liability, Payments, Due Year Four Lessee, Liability, Payments, Due Year Four 2024 Lessee, Liability, Payments, Due Year Five Lessee, Liability, Payments, Due Year Five Thereafter Lessee, Liability, Payments, Due after Year Five Lessee, Liability, Payments, Due after Year Five Total lease payments Lessee, Liability, Payments, Due Lessee, Liability, Payments, Due Less: Imputed interest Lessee, Liability, Undiscounted Excess Amount Lessee, Liability, Undiscounted Excess Amount Present value of lease liabilities Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Unrecognized tax benefit at beginning of year Unrecognized Tax Benefits Increases related to tax positions taken during a prior period Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Increases related to tax positions taken during the current period Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Decreases related to settlements with taxing authorities Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Decreases as a result of a lapse of the applicable statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Unrecognized tax benefit at end of year Convertible Notes Employee Stock Purchase Plan Employee Stock Purchase Plan [Member] Employee Stock Purchase Plan [Member] Number of shares authorized (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Number of shares available for grant Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Weighted average grant date fair value (in usd per share) Aggregate intrinsic value, vested (less than) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested Aggregate intrinsic value, exercised Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Exercised Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Exercised Stock options outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Stock options exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Grants in period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Outstanding (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Percentage of fair market value of common stock (not less than) Percentage Of Fair Market Value Of Common Stock Percentage Of Fair Market Value Of Common Stock Outstanding awards (in shares) Nonvested awards (in usd per share) Future Minimum Payments Receivable [Table] Future Minimum Payments Receivable [Table] Future Minimum Payments Receivable [Table] Weighted Average Weighted Average [Member] Future Minimum Payments Receivable [Line Items] Future Minimum Payments Receivable [Line Items] Future Minimum Payments Receivable [Line Items] 2020 Time Sharing Transactions, Maturities of Notes Receivable, Year One 2021 Time Sharing Transactions, Maturities of Notes Receivable, Year Two 2022 Time Sharing Transactions, Maturities of Notes Receivable, Year Three 2023 Time Sharing Transactions, Maturities of Notes Receivable, Year Four 2024 Time Sharing Transactions, Maturities of Notes Receivable, Year Five Thereafter Time Sharing Transactions, Maturities of Notes Receivable, Future Years Total Vacation ownership notes receivable, net of reserve Time Sharing Transactions, Maturities of Notes Receivable, Net Interest rates Time-sharing Transactions, Stated Interest Rate for Notes Receivable Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Private Warrants Private Warrants [Member] Private Warrants [Member] Antidilutive Securities Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Performance Shares Performance Shares [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Exercise price of warrants (in usd per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Shares excluded from the calculation of diluted earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Stock options and SARs not included in the calculation of diluted earning per share because exercise prices exceeded market prices, exercise prices (in usd per share) Exercise Price Securities, Excluded From Computation Of Earnings Per Share Exercise Price, stock options and SARs not included in the calculation of diluted earnings per share because exercise prices exceeded average market prices for the applicable periods. SUBSEQUENT EVENTS Subsequent Events [Text Block] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Highly liquid investments maturity period Cash Equivalents, Maturity Period Cash Equivalents, Maturity Period PROPERTY AND EQUIPMENT Property, Plant and Equipment Disclosure [Text Block] Increase in carrying value of inventories Real Estate Inventory True Ups Changes in estimates within the relative sales value calculations accounted for as real estate inventory true-ups. Reconciliation of Depreciation by Segment [Table] Reconciliation of Depreciation by Segment [Table] Reconciliation of Depreciation by Segment [Table] Reconciliation of Depreciation by Segment [Line Items] Reconciliation of Depreciation by Segment [Line Items] Reconciliation of Depreciation by Segment [Line Items] Depreciation and amortization Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Goodwill impairment charges Goodwill, Impairment Loss Class of Treasury Stock [Table] Class of Treasury Stock [Table] Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Stock Repurchase Program [Roll Forward] Stock Repurchase Program [Roll Forward] Stock Repurchase Program [Roll Forward] Number of shares repurchased, beginning of period (in shares) Treasury Stock, Shares Cost of shares repurchased, beginning of period Treasury Stock, Value, Gross Treasury Stock, Value, Gross Average price paid per share, beginning of period (in usd per share) Stock Repurchased, Per Share Average Price Stock Repurchased, Per Share Average Price Number of shares repurchased, for the year (in shares) Treasury Stock, Shares, Acquired Cost of shares repurchased, for the year Average price paid per share, for the year (in usd per share) Treasury Stock Acquired, Average Cost Per Share Number of shares repurchased, end of period (in shares) Cost of shares repurchased, end of period Average price paid per share, end of period (in usd per share) ILG Affiliated Entity [Member] Financial Asset, Period Past Due [Axis] Financial Asset, Period Past Due [Axis] Financial Asset, Period Past Due [Domain] Financial Asset, Period Past Due [Domain] 30 - 59 Days Financial Asset, 30 to 59 Days Past Due [Member] 60 - 89 Days Financial Asset, 60 to 89 Days Past Due [Member] 90 - 119 Days Financing Receivables90 To119 Days Past Due [Member] Financing receivables that are more than 89 days past due but fewer than 120 days past due. 120 Days Financing Receivables Equal To Greater Than120 Days Past Due [Member] Financing receivables that are equal to or greater than 120 days past due. Receivables Accounts and Financing Receivable, after Allowance for Credit Loss, Current Current Financing Receivable, Not Past Due Delinquent & Defaulted Financing Receivable, Past Due Statement of Comprehensive Income [Abstract] NET INCOME Other comprehensive (loss) income: Other Comprehensive Income (Loss), Net of Tax [Abstract] Derivative instrument adjustment, net of tax Derivative instrument adjustment, net of tax Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax OTHER COMPREHENSIVE (LOSS) INCOME, NET OF TAX Other Comprehensive Income (Loss), Net of Tax Other comprehensive income attributable to noncontrolling interests Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest COMPREHENSIVE (INCOME) LOSS ATTRIBUTABLE TO NONCONTROLLING INTERESTS Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Net (income) loss attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Parent Income (Loss) Before Provision for Income Taxes by Geographic Region Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Provision for Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Reconciliation of US Statutory Income Tax Rate to Effective Tax Rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Summary of Positions for which Significant Change in Unrecognized Tax Benefits Summary of Positions for which Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table Text Block] SHARE-BASED COMPENSATION Share-based Payment Arrangement [Text Block] As adjusted Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net, As Adjusted [Abstract] Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net, As Adjusted [Abstract] Vacation ownership notes receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Vacation Ownership Notes Receivable The amount of vacation ownership notes receivable recognized as of the acquisition date. Inventory Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Property and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Intangible assets Other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Assets The amount of other assets recognized as of the acquisition date. Deferred revenue Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities, Deferred Revenue The amount of deferred revenue recognized as of the acquisition date. Deferred taxes Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Debt Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Debt The amount of debt assumed as of the acquisition date. Securitized debt from VIEs Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities, Securitized Debt From Variable Interest Entity The amount of securitized debt from variable interest entities assumed as of the acquisition date. Other liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities, Other The amount of other liabilities assumed as of the acquisition date. Net assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Goodwill Total Assets and Liabilities Other 2024 Long-term debt Long-term Debt Revenues Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Adjusted EBITDA, Net Income, Depreciation and Amortization Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Table Text Block] Assets Reconciliation of Assets from Segment to Consolidated [Table Text Block] Capital Expenditures (including inventory) Schedule Of Capital Expenditures By Segment Table [Text Block] Schedule Of Capital Expenditures By Segment Table [Text Block] Revenue by Geographic Areas Revenue from External Customers by Geographic Areas [Table Text Block] Fixed Assets by Geographic Areas Long-lived Assets by Geographic Areas [Table Text Block] Revenue remaining performance obligation expected timing percentage Revenue, Remaining Performance Obligation, Percentage CONTINGENCIES AND COMMITMENTS Commitments and Contingencies Disclosure [Text Block] United States Income (Loss) from Continuing Operations before Income Taxes, Domestic Non-U.S. jurisdictions Income (Loss) from Continuing Operations before Income Taxes, Foreign INCOME BEFORE INCOME TAXES Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Each Reference to Particular Year in These Financial Statements Means Fiscal Year Ended on Date Shown Fiscal Period [Table Text Block] Tabular disclosure may include identification of the fiscal period end-date, the length of the fiscal period, any reporting period lag between the entity and its subsidiaries, or equity investees. If a reporting lag exists, the closing date of the entity having a different period end is generally noted, along with an explanation of the necessity for using different closing dates. Any intervening events that materially affect the entity's financial position or results of operations are generally also disclosed. Revenue from External Customers by Products and Services [Table] Revenue from External Customers by Products and Services [Table] Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Increase (decrease) in revenue due to change in estimate of variable consideration for performance obligations Contract with Customer, Performance Obligation Satisfied in Previous Period Number of days for payments to commence under financing contracts after closing Number Of Days For Payments To Commence Under Financing Contracts After Closing Number of days for payments to commence under financing contracts after closing Income Statement [Abstract] REVENUES Revenues [Abstract] EXPENSES Costs and Expenses [Abstract] Expenses Cost of Goods and Services Sold Marketing and sales Selling and Marketing Expense Financing Financing Expense Not From Contract With Customer Financing expenses include costs in support of the financing, servicing and securitization processes. General and administrative Litigation charges Royalty fee Royalty Expense Cost reimbursements Cost Reimbursements, Expense Cost Reimbursements, Expense TOTAL EXPENSES INCOME BEFORE INCOME TAXES AND NONCONTROLLING INTERESTS Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax Provision for income taxes Net (income) loss attributable to noncontrolling interests Net (loss) income attributable to common shareholders EARNINGS PER SHARE ATTRIBUTABLE TO COMMON SHAREHOLDERS Earnings Per Share, Basic and Diluted [Abstract] Cash dividends declared per share of common stock (in usd per share) 31 – 90 days past due Financing Receivables, 31 To 90 Days Past Due [Member] Financing Receivables, 31 To 90 Days Past Due [Member] 91 – 150 days past due Financing Receivables, 91 To 150 Days Past Due [Member] Financing Receivables, 91 To 150 Days Past Due [Member] Greater than 150 days past due Financing Receivables, Greater than 150 Days Past Due [Member] Financing Receivables, Greater than 150 Days Past Due [Member] Total past due Total vacation ownership notes receivable Securitized debt, gross Unamortized debt discount and issuance costs Secured Debt, Net Secured Debt, Net Secured Debt, Net Interest rate, effective percentage Long-term Debt Debt Disclosure [Table] Debt Disclosure [Table] Debt Disclosure [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Interest Rate Swap, September 2023 Interest Rate Swap, September 2023 [Member] Interest Rate Swap, September 2023 [Member] Interest Rate Swap, April 2024 Interest Rate Swap, April 2024 [Member] Interest Rate Swap, April 2024 [Member] Interest Rate Contract Interest Rate Contract [Member] Debt Conversion Description [Axis] Debt Conversion Description [Axis] Debt Conversion, Name [Domain] Debt Conversion, Name [Domain] Conversion Premium, Stock Price Exceeds The Conversion Price Conversion Premium, Stock Price Exceeds The Conversion Price [Member] Conversion Premium, Stock Price Exceeds The Conversion Price [Member] Convertible Note Hedges Convertible Note Hedges [Member] Convertible Note Hedges [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Floating Rate Floating Rate [Member] Floating Rate [Member] Short-term Debt, Type [Axis] Short-term Debt, Type [Axis] Short-term Debt, Type [Domain] Short-term Debt, Type [Domain] Debt Disclosure [Line Items] Debt Disclosure [Line Items] Debt Disclosure [Line Items] Debt instrument face amount Debt issuance costs Payments of Debt Issuance Costs Redemption price Debt Instrument, Redemption Price, Percentage Debt instrument, repurchased face amount Debt Instrument, Repurchased Face Amount Repayments of debt Repayments of Debt Proceeds from issuance of senior debt Proceeds from Issuance of Senior Long-term Debt Line of credit facility, maximum borrowing capacity Debt instrument, percentage points added to the reference rate Debt Instrument, Basis Spread on Variable Rate Commitment fee percentage Line of Credit Facility, Commitment Fee Percentage Notional amount Derivative, Notional Amount Fixed interest rate Derivative, Fixed Interest Rate Cap interest rate Derivative, Cap Interest Rate Floor interest rate Derivative, Floor Interest Rate Conversion ratio Debt Instrument, Convertible, Conversion Ratio Conversion price (in usd per share) Debt Instrument, Convertible, Conversion Price Long-term debt Convertible debt, remaining discount amortization period Debt Instrument, Convertible, Remaining Discount Amortization Period Indexed shares (in shares) Option Indexed to Issuer's Equity, Indexed Shares Number of securities called by warrants (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Percentage above common stock price to conversion price of convertible debt when instrument is eligible for conversion Percentage Above Common Stock Price To Conversion Price Of Convertible Debt When Instrument Is Eligible For Conversion Percentage Above Common Stock Price To Conversion Price Of Convertible Debt When Instrument Is Eligible For Conversion Effective percentage above common stock price to conversion price of convertible debt, as effected by convertible note hedge and warrant transactions Effective Percentage Above Common Stock Price To Conversion Price Of Convertible Debt, As Effected By Convertible Note Hedge And Warrant Transactions Effective Percentage Above Common Stock Price To Conversion Price Of Convertible Debt, As Effected By Convertible Note Hedge And Warrant Transactions. Convertible note hedges exercised (in shares) Convertible Note Hedges Exercised Convertible note hedges exercised Warrants exercised (in shares) Class Of Warrant Or Right, Number Of Warrants Exercised Class of Warrant or Right, Number Of Warrants Exercised Our Business Nature of Operations [Policy Text Block] Nature of Operations Principles of Consolidation and Basis of Presentation Basis of Presentation and Principles of Consolidation [Policy Text Block] Basis of Presentation and Principles of Consolidation Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Costs Incurred to Sell Vacation Ownership Products Costs Incurred to Sell Vacation Ownership Products Policy [Text Block] Policy for costs incurred to sell vacation ownership products. Earnings Per Common Share Earnings Per Share, Policy [Policy Text Block] Business Combinations Business Combinations Policy [Policy Text Block] Variable Interest Entities Consolidation, Variable Interest Entity, Policy [Policy Text Block] Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Accounts Receivable Accounts Receivable [Policy Text Block] Vacation Ownership Notes Receivable Reserve Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block] Inventory Inventory, Policy [Policy Text Block] Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Leases Lessee, Leases [Policy Text Block] Impairment of Long-Lived Assets and Other Intangible Assets Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block] Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Convertible Senior Notes Debt, Policy [Policy Text Block] Derivative Instruments Derivatives, Policy [Policy Text Block] Loss Contingencies Commitments and Contingencies, Policy [Policy Text Block] Defined Contribution Plan Postemployment Benefit Plans, Policy [Policy Text Block] Deferred Compensation Plan Deferred Compensation Plan Policy [Policy Text Block] Deferred Compensation Plan Policy [Text Block] Share-Based Compensation Costs Compensation Related Costs, Policy [Policy Text Block] Non-U.S. Operations Foreign Currency Transactions and Translations Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] New Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Future Adoption of Accounting Standards Future Adoption of New Accounting Standards [Policy Text Block] Future Adoption of New Accounting Standards Policy [Policy Text Block] Goodwill [Roll Forward] Goodwill [Roll Forward] Balance at December 31, 2018 Goodwill, Gross Measurement period adjustments Goodwill, Purchase Accounting Adjustments Foreign exchange adjustments Goodwill, Foreign Currency Translation Gain (Loss) Balance at December 31, 2019 BUSINESS SEGMENTS Segment Reporting Disclosure [Text Block] Eligible for securitization Eligible for Securitization [Member] Eligible for Securitization [Member] Not eligible for securitization Not Eligible for Securitization [Member] Not Eligible for Securitization [Member] Impairment recognized on acquired vacation ownership notes receivable Impairment Recognized On Acquired Vacation Ownership Notes Receivable Impairment Recognized On Acquired Vacation Ownership Notes Receivable LEASES Leases of Lessee Disclosure [Text Block] Carrying Values and Estimated Fair Values of Financial Assets and Liabilities Fair Value, by Balance Sheet Grouping [Table Text Block] Operating lease cost Operating Lease, Cost Amortization of right-of-use assets Finance Lease, Right-of-Use Asset, Amortization Interest on lease liabilities Finance Lease, Interest Expense Variable lease cost Variable Lease, Cost Total lease cost Lease, Cost Preferred stock, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, issued (in shares) Preferred Stock, Shares Issued Preferred stock, outstanding (in shares) Preferred Stock, Shares Outstanding Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, shares issued (in shares) Treasury stock, shares (in shares) Fair Value Measurement [Domain] Cash Inflows Cash Inflows [Abstract] Cash Inflows [Abstract] Net proceeds from vacation ownership notes receivable securitizations Principal receipts Cash Flows Between Transferee And Transferor Proceeds From Principal Receipts Cash Flows Between Transferee And Transferor Proceeds From Principal Receipts Interest receipts Cash Flows Between Transferee And Transferor Proceeds From Interest Receipts Cash Flows Between Transferee And Transferor Proceeds From Interest Receipts Reserve release Cash Flows Between Transferee and Transferor Reserve Release Cash Flows Between Transferee and Transferor Reserve Release Total Cash Outflows Cash Outflows [Abstract] Cash Outflows [Abstract] Principal to investors Cash Flows Between Transferee And Transferor Repayments Of Principal To Investors Cash Flows Between Transferee And Transferor Repayments Of Principal To Investors Voluntary repurchases of defaulted vacation ownership notes receivable Voluntary clean-up call Cash Flows Between Transferor and Transferee, Payment to Purchaser Cash Flows Between Transferor and Transferee, Payment to Purchaser Repayment of Warehouse Credit Facility Cash Flows Between Transferee And Transfer or Repayments Of Warehouse Credit Facility Cash Flows Between Transferee And Transfer or Repayments Of Warehouse Credit Facility Interest to investors Cash Flows Between Transferee And Transferor Repayments Of Interest To Investors Cash Flows Between Transferee And Transferor Repayments Of Interest To Investors Funding of restricted cash Total Cash Flows Between Transferee And Transferor Repayments Cash Flows Between Transferee And Transferor Repayments Net Cash Flows Cash Flows Between Transferee and Transferor Net Cash Flows Between Transferee And Transferor Net. Number of SARs Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Rollforward [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Rollforward [Abstract] Granted in period (in shares) Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised Forfeited (in shares) Weighted Average Exercise Price Per SAR Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Weighted Average Exercise Price [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Weighted Average Exercise Price [Abstract] Outstanding at beginning of year (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Exercise Price Granted (in usd per share) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Granted Weighted Average Exercise Price Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Granted Weighted Average Exercise Price Exercised (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercises in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercises in Period, Weighted Average Exercise Price Forfeited (in usd per share) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited Weighted Average Exercise Price Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited Weighted Average Exercise Price Outstanding at year-end (in usd per share) Intrinsic value, outstanding Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Outstanding, weighted average remaining contractual life Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average, Remaining Term Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average, Remaining Term Exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercisable Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercisable Exercisable, weighted average value (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercisable, Weighted Average Value, Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercisable, Weighted Average Value, Exercise Price Aggregate intrinsic value, exercisable Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Exercisable Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Exercisable Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] MVW US Holdings LLC MVW US Holdings LLC [Member] MVW US Holdings LLC [Member] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Subsidiaries Subsidiaries [Member] Property Owners Associations Property Owners Associations [Member] Property Owners Associations [Member] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Number of additional shares authorized to be repurchased (in shares) Stock Repurchase Program Number Of Additional Shares Authorized To Be Repurchased Stock Repurchase Program Number Of Additional Shares Authorized To Be Repurchased Share repurchase program, number of additional common stock authorized to be repurchased (in shares) Stock Repurchase Program, Number of Shares Authorized to be Repurchased Stock repurchase program, remaining authorized repurchase amount (in shares) Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased Noncontrolling interests Statement of Cash Flows [Abstract] OPERATING ACTIVITIES Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash, cash equivalents and restricted cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization of intangibles Amortization of debt discount and issuance costs Amortization of Debt Issuance Costs and Discounts Vacation ownership notes receivable reserve Provision for Loan and Lease Losses Share-based compensation Share-based Payment Arrangement, Noncash Expense (Gain) loss on disposal of property and equipment, net Gain (Loss) on Disposition of Property Plant Equipment Deferred income taxes Noncash Income Tax (Expense) Benefit The non-cash component of income tax expense, less the tax benefit from the exercise of stock options, SARs and RSUs. Net change in assets and liabilities, net of the effects of acquisition: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts and Other Receivables Vacation ownership notes receivable originations Increase (Decrease) in Notes Receivable Originations The (increase) decrease during the reporting period in the total amount of new mortgage loans originated on real estate. Vacation ownership notes receivable collections Increase (Decrease) in Notes Receivable Collections The increase (decrease) during the reporting period in the amount of principal collections on mortgage loans on real estate. Inventory Increase (Decrease) in Inventories Purchase of vacation ownership units for future transfer to inventory Other assets Increase (Decrease) in Other Operating Assets Accounts payable, advance deposits and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Deferred revenue Increase (Decrease) in Contract with Customer, Liability Payroll and benefit liabilities Increase (Decrease) in Employee Related Liabilities Deferred compensation liability Increase (Decrease) in Deferred Compensation Other liabilities Increase (Decrease) in Other Operating Liabilities Other, net Other Operating Activities, Cash Flow Statement Net cash, cash equivalents and restricted cash provided by operating activities INVESTING ACTIVITIES Net Cash Provided by (Used in) Investing Activities [Abstract] Acquisition of a business, net of cash and restricted cash acquired Payments to Acquire Businesses, Net of Cash And Restricted Cash Acquired Payments to Acquire Businesses, Net of Cash And Restricted Cash Acquired Disposition of subsidiary shares to noncontrolling interest holder Proceeds from Divestiture of Interest in Consolidated Subsidiaries Proceeds from collection of notes receivable Proceeds from Collection of Notes Receivable Capital expenditures for property and equipment (excluding inventory) Payments to Acquire Property, Plant, and Equipment Purchase of company owned life insurance Payments for (Proceeds from) Life Insurance Policies Net cash, cash equivalents and restricted cash provided by (used in) investing activities FINANCING ACTIVITIES Net Cash Provided by (Used in) Financing Activities [Abstract] Borrowings from securitization transactions Proceeds from Issuance of Secured Debt Repayment of debt related to securitization transactions Repayments of Secured Debt Proceeds from debt Proceeds from Issuance of Debt Repayments of debt Finance lease payment Purchase of convertible note hedges Payments for Derivative Instrument, Financing Activities Proceeds from issuance of warrants Proceeds from Issuance of Warrants Debt issuance costs Repurchase of common stock Payments for Repurchase of Common Stock Payment of dividends Payments of Dividends Payment of withholding taxes on vesting of restricted stock units Restricted Stock, Value, Shares Issued Net of Tax Withholdings Other, net Proceeds from (Payments for) Other Financing Activities Net cash, cash equivalents and restricted cash (used in) provided by financing activities Change in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING ACTIVITIES Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Dividends payable Dividends Payable Non-cash issuance of note receivable in connection with disposition to noncontrolling interest Notes Issued Non-cash issuance of stock in connection with ILG Acquisition Stock Issued Non-cash transfer from property and equipment to inventory Transfer From Property And Equipment To Inventory Transfer From Property And Equipment To Inventory Property acquired via capital lease Lease Obligation Incurred SUPPLEMENTAL DISCLOSURES Supplemental Cash Flow Elements [Abstract] Interest paid, net of amounts capitalized Interest Paid, Excluding Capitalized Interest, Operating Activities Income taxes paid, net of refunds Income Taxes Paid, Net INVENTORY Inventory Disclosure [Text Block]