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Aging of recorded investment in principal, before reserves, in vacation ownership notes receivable Financing Receivable, Past Due [Table Text Block] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Entity Small Business Entity Small Business Operating Leases Lessee, Operating Lease, Liability, Payment, Due [Abstract] Notes receivable reserves Financing Receivable, Allowance for Credit Loss [Table Text Block] Increases related to tax positions taken during the current period Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Share-based compensation, excess tax benefit Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount Net proceeds from vacation ownership notes receivable securitizations Proceeds from Accounts Receivable Securitization Accounts receivable Increase (Decrease) in Accounts and Other Receivables Income tax holiday period Income Tax Holiday Period Income Tax Holiday Period Impairment Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate 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 Number of notes receivable pools under performance triggers Number of Notes Receivable Pools Under Performance Triggers Number of Notes Receivable Pools Under Performance Triggers Interest rate collar with a cap and a floor strike rate of April 2024 Maturity Range Three [Member] Maturity Range Three 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] Entity Interactive Data Current Entity Interactive Data Current Thereafter Long-Term Debt, Maturity, after Year Five 2019 Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year Expected amortization expense, 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Four Decreases related to settlements with taxing authorities Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Assets Reconciliation of Assets from Segment to Consolidated [Table Text Block] Term Loan, net Term Loan [Member] Term Loan [Member] Deferred revenue Contract With Customer Liability Deferred Revenue Contract With Customer Liability Deferred Revenue Balance Sheet Location [Domain] Balance Sheet Location [Domain] Conversion ratio Debt Instrument, Convertible, Conversion Ratio COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Exchange and other services revenues Service, Other [Member] Unrecognized tax benefit at beginning of year Unrecognized tax benefit at end of year Unrecognized Tax Benefits Deferred tax assets Deferred Tax Assets, Gross Income Tax Authority [Domain] Income Tax Authority [Domain] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding 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 Entity Address, State or Province Entity Address, State or Province COVID-19 pandemic COVID-19 Pandemic [Member] COVID-19 Pandemic [Member] LEASES Lessee, Finance Leases [Text Block] Restructuring reserve (less than for 2021) Restructuring Reserve Reclassification to Income Statement Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Effect of dilutive shares outstanding Earnings Per Share, Diluted, Other Disclosures [Abstract] Principal amount 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. Acquisition Stock Issued During Period, Value, Acquisitions Receivable [Domain] Receivable [Domain] Change in valuation allowance Operating Loss Carryforwards, Valuation Allowance General and administrative Administrative expenses General and Administrative Expense Restatement [Axis] Revision of Prior Period [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] INVENTORY Inventory Disclosure [Text Block] Unrecognized tax benefits, income tax penalties and interest accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Accounting Policies [Abstract] Accounting Policies [Abstract] Derivative Instrument [Axis] Derivative Instrument [Axis] 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 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 Vacation Ownership Notes Receivable Reserve for Credit Losses Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block] Operating lease liabilities Operating Lease, Liability – U.S. Federal Current Federal Tax Expense (Benefit) Document Transition Report Document Transition Report Common stock — $0.01 par value; 100,000,000 shares authorized; 75,519,049 and 75,279,061 shares issued, respectively Common Stock, Value, Issued Finance leases Finance Lease, Weighted Average Discount Rate, Percent Reserves Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Reserves Deferred compensation expense weighted average expected recognition period Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Outstanding at beginning of year (in usd per share) Outstanding at ending 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 Beginning of period, average price paid per share (in usd per share) Ending of period, average price paid per share (in usd per share) Stock Repurchased, Per Share Average Price Stock Repurchased, Per Share Average Price LEASES Lessee, Operating Leases [Text Block] Carrying values and estimated fair values of financial assets and liabilities Fair Value, by Balance Sheet Grouping [Table Text Block] Amortization of right-of-use assets Finance Lease, Right-of-Use Asset, Amortization Management fee revenues Management Service [Member] Weighted-average discount rate Weighted Average Discount Rate Lease [Abstract] Weighted Average Discount Rate Lease Contract with customer, contract assets Contract with Customer, Asset, before Allowance for Credit Loss ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Schedule of composition of intangible asset balances Schedule of Intangible Assets [Table Text Block] Schedule of Intangible Assets Hyatt Hyatt [Member] Represents the information pertaining to Hyatt brand. 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699 FICO Score, 600 to 699 [Member] New York City New York City [Member] New York City [Member] Number of securities called by warrants (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Outstanding at beginning of year (in usd per share) Outstanding at year-end (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 Vacation ownership notes receivable, net (including $1,662 and $1,493 from VIEs, respectively) Vacation ownership notes receivable, net Financing Receivable, after Allowance for Credit Loss Other Other Nonoperating Income (Expense) Total Cash Flows Between Transferee And Transferor Repayments Cash Flows Between Transferee And Transferor Repayments Other liabilities Increase (Decrease) in Other Operating Liabilities Other, net Payments for (Proceeds from) Other Investing Activities Receivable, noncredit discount Receivable with Imputed Interest, Discount Trust Entity [Domain] Trust Entity [Domain] [Domain] for Trust Entity [Axis] Deferred revenue Deferred Tax Assets, Deferred Income Maximum Maximum [Member] Share-based Payment Arrangement [Abstract] Share-based Payment Arrangement [Abstract] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Not eligible for securitization Not Eligible for Securitization [Member] Not Eligible for Securitization [Member] Capital Expenditures Payments to Acquire Property, Plant, and Equipment and Inventory Payments to Acquire Property, Plant, and Equipment and Inventory Award Type Award Type [Axis] FINANCING ACTIVITIES Net Cash Provided by (Used in) Financing Activities [Abstract] (Losses) gains and other (expense) income, net Gains (Losses) And Other Income (Expense), Net Gains (Losses) And Other Income (Expense), Net Lessee, Operating Lease, Liability, Maturity Lessee, Operating Lease, Liability, Maturity [Table Text Block] Deposits on future purchases of inventory Deposits on Future Purchases of Inventory Deposits on Future Purchases of Inventory TOTAL MVW SHAREHOLDERS' EQUITY Stockholders' equity Beginning balance Ending balance Stockholders' Equity Attributable to Parent Number of primary sources Number of Primary Sources Number of Primary Sources City Area Code City Area Code Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Accounts payable, advance deposits and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Number of notes receivable pools out of compliance Number Of Notes Receivable Pools Out Of Compliance Number of notes receivable pools out of compliance with established parameters Goodwill and Intangible Assets Disclosure [Abstract] INTANGIBLE ASSETS Intangible Assets Disclosure [Text Block] Repurchase of common stock Payments for Repurchase of Common Stock Estimated useful lives of the assets Property, Plant and Equipment, Useful Life Marriott Vacations Worldwide common stock price as of Acquisition Date (in dollars per share) Business Acquisition, Share Price IAC Notes IAC Notes [Member] IAC Notes [Member] Income Taxes Income Taxes [Line Items] Income Taxes [Line Items] 2025 Notes 2025 Notes [Member] 2025 Notes Decrease in revenue due to change in estimate of variable consideration for performance obligations Contract with Customer, Performance Obligation Satisfied in Previous Period Future Minimum Payments Receivable [Line Items] Future Minimum Payments Receivable [Line Items] Future Minimum Payments Receivable [Line Items] 2020 Financing Receivables Past Due Second Year [Member] Financing Receivables Past Due Second Year [Member] Total lease payments Finance Lease, Liability, Payment, Due Principal amount Debt Instrument, Face Amount Current income tax expense (benefit) Current Income Tax Expense (Benefit) Net Cash Flows Cash Flows Between Transferee and Transferor Net Cash Flows Between Transferee And Transferor Net. Net income (loss) attributable to common shareholders Business Acquisition, Pro Forma Net income, Attributable To Common Shareholders Business Acquisition, Pro Forma Net income, Attributable To Common Shareholders 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 Operating Segments Operating Segments [Member] Prior Plans Prior Plans [Member] Prior Plans Restricted stock units Restricted Stock Units (RSUs) [Member] Schedule of recognized identified assets acquired and liabilities assumed Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Restatement [Domain] Revision of Prior Period [Domain] 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. 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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. VARIABLE INTEREST ENTITIES Variable Interest Entity Disclosure [Text Block] Debt Instrument, Redemption, Period One Debt Instrument, Redemption, Period One [Member] MVW 2021-1W LLC MVW 2021-1W LLC [Member] MVW 2021-1W LLC Interest expense Interest Income (Expense), Nonoperating, Net Leases [Abstract] Leases [Abstract] Valuation Allowance by Deferred Tax Asset [Axis] Valuation Allowance by Deferred Tax Asset [Axis] Income Taxes Income Tax, Policy [Policy Text Block] 2019 Financing Receivables Past Due Third Year [Member] Financing Receivables Past Due Third Year [Member] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Purchase commitment obligation due, 2022 Purchase Obligation, to be Paid, Year One Shares for diluted earnings (loss) per share (in shares) Weighted Average Number of Shares Outstanding, Diluted Class D notes Class D Notes [Member] Class D Notes United States Income (Loss) from Continuing Operations before Income Taxes, Domestic Proceeds from collection of notes receivable Proceeds from Collection of Notes Receivable INCOME TAXES Income Tax Disclosure [Text Block] Management and exchange Management And Exchange [Member] Management And Exchange Vacation Ownership Notes Receivable Securitizations Vacation Ownership Notes Receivable Securitizations [Member] Vacation Ownership Notes Receivable Securitizations [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Goods or services transferred at a point in time Transferred at Point in Time [Member] Reconciliation of Revenue from Segments to Consolidated [Table] Reconciliation of Revenue from Segments to Consolidated [Table] Restricted cash Restricted Cash [Member] Restricted Cash Financing receivable, nonaccrual Financing Receivable, Nonaccrual [Table Text Block] Equity component of convertible notes, net of issuance costs Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt Land and land improvements Land and Land Improvements Employee 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. 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. Cancun Mexico and Avon Colorado Cancun Mexico and Avon Colorado [Member] Cancun Mexico and Avon Colorado Accrued liabilities (including $2 and $1 from VIEs, respectively) Accrued liabilities Accrued Liabilities Information technology Information technology assets, Gross Information technology assets, Gross Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] MVW 2021-2 LLC MVW 2021-2 LLC [Member] MVW 2021-2 LLC Vacation Ownership Vacation Ownership [Member] Vacation Ownership [Member] Maximum loss exposure, amount Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Purchase commitment Purchase Obligation Indefinite-lived Intangible Assets Indefinite-lived Intangible Assets [Line Items] Credit Facility [Axis] Credit Facility [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Entity Address, Address Line One Entity Address, Address Line One Employee stock plan issuance Stock Issued During Period, Value, Employee Stock Purchase Plan OPERATING ACTIVITIES Net Cash Provided by (Used in) Operating Activities [Abstract] Principles of Consolidation Consolidation, Policy [Policy Text Block] Entity Shell Company Entity Shell Company Business combinations, pro forma, acquisition-related costs Business Combinations, Pro Forma, Acquisition-related Costs Business Combinations, Pro Forma, Acquisition-related Costs Expected term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Inventory 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. Current Fiscal Year End Date Current Fiscal Year End Date Unamortized debt discount and issuance costs Unamortized debt discount and issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Accounts and nontrade receivable Accounts And Non trade Receivable Table Text Block [Table Text Block] Accounts And Non trade Receivable Table Text Block FINANCIAL INSTRUMENTS Financial Instruments Disclosure [Text Block] Vacation ownership notes receivable Total vacation ownership notes receivable Financing Receivable, before Allowance for Credit Loss Fair value of Marriott Vacations Worldwide common stock issued Business Combination Consideration Transferred Equity Interests Issued and Issuable, Common Stock Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Common Stock Reclassified of previous deposits associated with the project from other assets to inventory Asset Acquisition, Recognized Identifiable Assets Acquired, Amounts Reclassified to Inventory from Other Assets Asset Acquisition, Recognized Identifiable Assets Acquired, Amounts Reclassified to Inventory from Other Assets Balance at december 31,2021 Time Sharing Transactions, Maturities of Notes Receivable, Net 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] Floating interest rate through April 2024 Maturity Range Two [Member] Maturity Range Two 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 Statement [Table] Statement [Table] New Accounting Standards And Future Adoption of Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Deconsolidation assets Deconsolidation Assets Deconsolidation Assets Other, net Deferred Tax Assets, Other Management contracts Management Contracts [Member] Management Contracts [Member] Exchange Notes Senior Exchange Notes [Member] Senior Exchange Notes [Member] Deferred compensation costs related to unvested awards Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] 2022 Time-Sharing Transaction, Notes Receivable, Maturity, Year One Contract Liabilities Contract with Customer, Liability [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] Accounts Receivable Accounts Receivable [Policy Text Block] Purchase of company owned life insurance Payments for (Proceeds from) Life Insurance Policies Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Subsequent Event Subsequent Event [Member] Right-of-use asset Deferred Tax Assets Right Of Use Asset Deferred Tax Assets Right Of Use Asset Finite-lived intangible assets, net Finite-Lived Intangible Assets, Net Goodwill Goodwill Goodwill Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest 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] Financing Receivable [Domain] Financing Receivable [Domain] [Domain] for Financing Receivable [Axis] Non-U.S. income (loss) Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent 2017 Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year 2026 Convertible Note Hedges A2026 Convertible Note Hedges [Member] A2026 Convertible Note Hedges Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Schedule of goodwill Schedule of Goodwill [Table Text Block] Adjustments to reconcile net income (loss) 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] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Operating lease cost Operating Lease, Cost 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. 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Securitized Interest income associated with vacation ownership notes receivable — securitized Securitized Vacation Ownership Notes Receivable [Member] Securitized vacation ownership notes receivable Cost reimbursements Cost Reimbursements, Expense Cost Reimbursements, Expense Number of vacation ownership units acquired Number Of Vacation Ownership Units Acquired Number Of Vacation Ownership Units Acquired Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Cash divested from deconsolidation Cash Divested from Deconsolidation Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Additional paid-in capital Additional paid-in capital Additional Paid in Capital, Common Stock Accounts receivable, net (including $12 and $11 from VIEs, respectively) Accounts receivable, including VIE, after allowance for credit loss Accounts receivable, including VIE, after allowance for credit loss Accounts Receivable, Including 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That Would Have Been Increased Financing Receivable, Allowance For Credit Losses, That Would Have Been Increased Long-term debt, gross Long-term debt Long-term Debt, Gross Goodwill [Roll Forward] Goodwill [Roll Forward] Derivative, Maturity Axis [Axis] Derivative, Maturity Axis [Axis] Derivative, Maturity Axis Finance lease assets Finance Lease, Right-of-Use Asset, after Accumulated Amortization Total financial assets Assets, Fair Value Disclosure 31 – 90 days past due Financial Asset, Aging, 31 To 90 Days Past Due [Member] Financial Asset, Aging, 31 To 90 Days Past Due [Member] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Other, net Other Operating Activities, Cash Flow Statement Interest receipts Cash Flows Between Transferee And Transferor Proceeds From Interest Receipts Cash Flows Between Transferee And Transferor Proceeds From Interest Receipts TOTAL LIABILITIES AND EQUITY Liabilities and Equity Other items Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Derivative instrument adjustment Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax 2026 Lessee, Operating Lease, Liability, to be Paid, Year Five 2018 Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year Income Taxes [Table] Income Taxes [Table] Income Taxes [Table] Allowance for loan and lease losses, period increase Allowance for Loan and Lease Losses, Period Increase (Decrease) EARNINGS PER SHARE Earnings Per Share [Text Block] Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Past Due and Defaulted Past Due and Defaulted [Policy Text Block] Past Due and Defaulted Repurchase of common stock Cost of shares repurchased Treasury Stock, Value, Acquired, Cost Method Average price paid per share (in usd per share) Treasury Stock Acquired, Average Cost Per Share Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Minimum Minimum [Member] Performance-based RSUs Performance Based Restricted Stock Unit [Member] Performance Based Restricted Stock Unit [Member] Carrying amount of equity component, net of issuance costs Debt Instrument, Convertible, Carrying Amount of Equity Component Average Price Paid per Share Shares Repurchased, Average Price Paid Per Share [Abstract] Shares Repurchased, Average Price Paid Per Share 2023 Lessee, Operating Lease, Liability, to be Paid, Year Two 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 Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] 2022 Convertible Notes Convertible Senior Notes 2022 [Member] Convertible Senior Notes 2022 2025 Long-Term Debt, Maturity, Year Four Revenue remaining performance obligation expected timing percentage Revenue Remaining Performance Obligation Expected Timing Percentage The percentage of the remaining performance obligation that is expected to be recognized in the period Cash consideration to Welk, net of cash and restricted cash acquired Payments to Acquire Businesses, Net of Cash Acquired DEBT Debt Disclosure [Text Block] Cost of Shares Repurchased Treasury Stock, Values [Abstract] Treasury Stock, Values Provision for or benefit from income taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Line of Credit Line of Credit [Member] SHARE-BASED COMPENSATION Share-based Payment Arrangement [Text Block] Senior notes Senior Notes [Member] Leases Lessee, Leases [Policy Text Block] Accumulated depreciation Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Number of reportable business segments Number of Reportable Segments Letters of credit outstanding Letters of Credit Outstanding, Amount Interest income and expense recognized as a result of our involvement with variable interest entities Interest Income and Interest Expense Disclosure [Table Text Block] Equity Interest Issued or Issuable, Type [Domain] Equity Interest Issued or Issuable, Type [Domain] Revision of Prior Period, Accounting Standards Update, Adjustment Revision of Prior Period, Accounting Standards Update, Adjustment [Member] Non-cash transfer from property and equipment to inventory Transfer From Property And Equipment To Inventory Transfer From Property And Equipment To Inventory Welk Acquisition Goodwill, Acquired During Period Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Performance Shares Performance Shares [Member] Current Financial Asset, Not Past Due [Member] Contingencies and Commitments (Note 13) Commitments and Contingencies Debt Principal Payments Year Long-term Debt, Fiscal Year Maturity [Abstract] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Emerging Growth Company Entity Emerging Growth Company Payment of debt issuance costs Proceeds from issuance debt Payments of Debt Issuance Costs Receivables [Abstract] Receivables [Abstract] Welk Welk [Member] Welk Proceeds from debt Proceeds from Issuance of Debt Auditor Name Auditor Name Cover [Abstract] TOTAL EXPENSES Costs and Expenses Royalty fee Royalty Expense Exercise price securities, excluded from computation of earnings per share (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. Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Treasury stock, shares (in shares) Beginning of period, number of shares repurchased (in shares) Ending of period, number of shares repurchased (in shares) Treasury Stock, Shares Less: Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount 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 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 2029 Notes 2029 Notes [Member] 2029 Notes Business acquisition, number of shares (in shares) Equivalent shares of marriott vacations worldwide common stock issued (in shares) Business Acquisition, Equity Interest Issued or Issuable, Number of Shares 2020 Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year Less: Imputed interest Finance Lease, Liability, Undiscounted Excess Amount Period in which loan considered past due Past Due Period Past Due Period Purchase commitment obligation due, 2023 Purchase Obligation, to be Paid, Year Two Reclassification Reclassification Policy [Policy Text Block] Reclassification Policy Payment of dividends Payments of Dividends Receivables Contract with Customer, Receivable The total right to consideration that is unconditional from contracts with customers Current Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Carrying Amount Reported Value Measurement [Member] 2026 Finance Lease, Liability, to be Paid, Year Five Ancillary revenues Ancillary Revenues [Member] Ancillary Revenues Common Stock Common Stock [Member] Non-U.S. jurisdictions Income (Loss) from Continuing Operations before Income Taxes, Foreign Convertible note hedges exercised (in shares) Convertible Note Hedges Exercised Convertible note hedges exercised Financial Asset, Period Past Due [Axis] Financial Asset, Aging [Axis] Purchase of convertible note hedges Adjustments To Additional Paid In Capital, Purchase of Convertible Note Hedges Adjustments To Additional Paid In Capital, Purchase of Convertible Note Hedges Other comprehensive income attributable to noncontrolling interests Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest Expected amortization expense, 2022 Finite-Lived Intangible Asset, Expected Amortization, Year Two 2026 Notes A2026 Notes [Member] A2026 Notes Vacation ownership notes receivable, net Business Combination Recognized Identifiable Assets Acquired And Liabilities, Vacation Ownership Notes Receivable, Net Assumed Financing Receivable, Purchased With Credit Deterioration Business Combination Recognized Identifiable Assets Acquired And Liabilities, Vacation Ownership Notes Receivable, Net Assumed Financing Receivable, Purchased With Credit Deterioration Amounts related to share-based compensation APIC, Share-based Payment Arrangement, Recognition and Exercise Share-based compensation Share-based Payment Arrangement, Noncash Expense AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value 2025 Time-Sharing Transaction, Notes Receivable, Maturity, Year Four 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. Treasury Stock Treasury Stock [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Marriott International Marriott International Inc [Member] Marriott International Inc Impairment Asset Impairment Charges Notional amount Derivative, Notional Amount 2026 Convertible Notes 2026 Convertible Notes Convertible Senior Notes 2026 [Member] Convertible Senior Notes 2026 Non-cash issuance of treasury stock for employee stock purchase plan Stock Issued Joint Venture Other Affiliates [Member] Capital expenditures for property and equipment (excluding inventory) Payments to Acquire Property, Plant, and Equipment Schedule Of Intangible Assets [Table] Schedule Of Intangible Assets [Table] Schedule Of Intangible Assets Class B notes Class B Notes [Member] Class B Notes [Member] TOTAL LIABILITIES Consolidated Liabilities Liabilities Segment Reporting, Revenue Reconciling Item [Line Items] Segment Reporting, Revenue Reconciling Item [Line Items] Financing Receivable [Axis] Financing Receivable [Axis] Financing Receivable [Axis] Lease liability Lease liability Lease Liability Lease Liability Expected amortization expense, 2021 Finite-Lived Intangible Asset, Expected Amortization, Year One Consolidation Items [Axis] Consolidation Items [Axis] Employees and Non Employee Directors Employees And Non Employee Directors [Member] Employees And Non Employee Directors [Member] Common stock, shares issued (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Issued Preferred stock, issued (in shares) Preferred Stock, Shares Issued EARNINGS (LOSS) PER SHARE ATTRIBUTABLE TO COMMON SHAREHOLDERS Earnings Per Share, Pro Forma [Abstract] Investments in and Advances to Affiliates Categorization [Domain] Investments in and Advances to Affiliates Categorization [Domain] 2026 Lessee Liability Payments Due in Five Years Lessee Liability Payments Due in Five Years Entity Address, City or Town Entity Address, City or Town Variable Interest Entities Consolidation, Variable Interest Entity, Policy [Policy Text Block] 2021 Financing Receivables Past Due Current Year [Member] Financing Receivables Past Due Current Year [Member] Schedule of unrecognized tax benefits Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Schedule of Indefinite-Lived Intangible Assets [Table] Schedule of Indefinite-Lived Intangible Assets [Table] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Debt, net Debt, net Net carrying amount of the liability component Securitized 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. Cash surrender value of life insurance Cash Surrender Value of Life Insurance 2022 Finance Lease, Liability, to be Paid, Year One Payroll and benefit liabilities Increase (Decrease) in Employee Related Liabilities Deferred Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Interest rate, effective percentage Debt Instrument, Interest Rate, Effective Percentage Loss Contingency Nature Loss Contingency Nature [Axis] Package expiration period Package Expiration Period Package Expiration Period Total consideration transferred, net of cash and restricted cash acquired Assets acquired Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net 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 Retained earnings Retained Earnings (Accumulated Deficit) Warehouse Credit Facility Warehouse Credit Facility [Member] Warehouse Credit Facility [Member] Stock awards, expiration from grant date Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Real estate inventory Inventory Timeshare, Gross Total of (1) improvements, (2) held-for-sale, and (3) construction-in-process. Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Entity Filer Category Entity Filer Category Revenues Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Risk-free rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Fair Value Estimate of Fair Value Measurement [Member] Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Reserve release Cash Flows Between Transferee and Transferor Reserve Release Cash Flows Between Transferee and Transferor Reserve Release Convertible debt, remaining discount amortization period Debt Instrument, Convertible, Remaining Discount Amortization Period Indefinite-lived intangible assets Beginning balance Ending balance Indefinite-lived Intangible Assets (Excluding Goodwill) Legacy-ILG and Legacy-Welk Legacy-ILG and Legacy-Welk [Member] Legacy-ILG and Legacy-Welk Weighted-average remaining lease term Weighted Average Remaining Lease Term [Abstract] Weighted Average Remaining Lease Term 2023 Finance Lease, Liability, to be Paid, Year Two Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] TOTAL EQUITY Beginning balance Ending balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Amendment Flag Amendment Flag Interest receivable Interest Receivable [Member] Interest Receivable Equity Components [Axis] Equity Components [Axis] Asset acquisition, recognized identifiable assets acquired, other assets Asset Acquisition, Recognized Identifiable Assets Acquired, Other Assets Asset Acquisition, Recognized Identifiable Assets Acquired, Other Assets Antidilutive Securities Antidilutive Securities [Axis] Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Concentration Risk Type [Domain] Concentration Risk Type [Domain] 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. Payroll and benefits liability Employee-related Liabilities Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] – U.S. Federal Deferred Federal Income Tax Expense (Benefit) Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Schedule of outstanding SARs and the associated weighted average exercise prices Share-based Payment Arrangement, Stock Appreciation Right, Activity [Table Text Block] Product and Service [Axis] Product and Service [Axis] Information technology hardware and software Information Systems and Technology [Member] Information Systems and Technology Adjusted EBITDA, net (loss) income, depreciation and amortization Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Table Text Block] Preferred stock, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Entity Public Float Entity Public Float Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Rental Rental [Member] Rental [Member] Amounts related to share-based compensation (in shares) Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture Marketing and sales Selling and Marketing Expense Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Floor strike rate Derivative, Floor Interest Rate Sale of vacation ownership products Time Share [Member] Vacation ownership notes receivable Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value 2025 Lessee Liability Payments Due in Four Years Lessee Liability Payments Due in Four Years Statement [Line Items] Statement [Line Items] Revenues excluding cost reimbursement Revenues Excluding Reimbursed Costs Revenues Excluding Reimbursed Costs Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] 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. Deferred revenue Increase (Decrease) in Contract with Customer, Liability Financing receivable credit quality indicators Financing Receivable Credit Quality Indicators [Table Text Block] Purchase Commitment, Excluding Long-term Commitment [Axis] Purchase Commitment, Excluding Long-term Commitment [Axis] Future Minimum Payments Receivable [Table] Future Minimum Payments Receivable [Table] Future Minimum Payments Receivable [Table] Domestic Tax Authority Domestic Tax Authority [Member] Note receivable Notes receivable (less than) Financing Receivable, before Allowance for Credit Loss, Noncurrent Debt Disclosure [Abstract] Debt Disclosure [Abstract] Securitized debt 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. Vacation ownership notes receivable Notes Receivable, Fair Value Disclosure Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Less valuation allowance Deferred Tax Assets, Valuation Allowance Segment Reporting, Other Significant Reconciling Item Segment Reporting, Other Significant Reconciling Item [Line Items] Corporate and other Corporate, Non-Segment [Member] Indemnification asset FDIC Indemnification Asset Floating interest rate through September 2023 Maturity Range One [Member] Maturity Range One Other Operating Supplies and Inventories Operating Supplies and Inventories Strike price (usd per share) Option Indexed to Issuer's Equity, Strike Price Debt instrument, convertible, threshold trading days Debt Instrument, Convertible, Threshold Trading Days Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Asset Class [Axis] Asset Class [Axis] Document Annual Report Document Annual Report Non-cash transfer from inventory to property and equipment Transfer From Inventory To Property And Equipment Transfer From Inventory To Property And Equipment TOTAL ASSETS Consolidated Assets Assets Assets Litigation charges Gain (Loss) Related to Litigation Settlement Plan Name [Domain] Plan Name [Domain] Interest paid, net of amounts capitalized Interest Paid, Excluding Capitalized Interest, Operating Activities Geographical [Domain] Geographical [Domain] Noncontrolling Interests Noncontrolling Interest [Member] Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Schedule of financing receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Derivative Contract [Domain] Derivative Contract [Domain] Voluntary repurchases of defaulted vacation ownership notes receivable 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. Schedule of unrecognized compensation cost, unvested awards Share-based Payment Arrangement, Nonvested Award, Cost [Table Text Block] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Voluntary clean-up call Cash Flows Between Transferor and Transferee, Payment to Purchaser Cash Flows Between Transferor and Transferee, Payment to Purchaser Net cash, cash equivalents, and restricted cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Interest payable Interest Payable [Member] Interest Payable Debt balances, net of unamortized debt issuance costs Schedule of Debt [Table Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] 2023 Lessee Liability Payments Due in Two Years Lessee Liability Payments Due in Two Years Shares for basic earnings (loss) per share (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in usd per share) Diluted earnings (loss) per share (in usd per share) Earnings Per Share, Diluted Segments [Domain] Segments [Domain] 700 + FICO Score, Greater than 700 [Member] Amortization of debt discount and issuance costs Amortization of Debt Issuance Costs and Discounts Investments in and Advances to Affiliates Categorization [Axis] Investments in and Advances to Affiliates Categorization [Axis] Income taxes paid, net of refunds Income Taxes Paid, Net Accounting Standards Update [Extensible Enumeration] Accounting Standards Update [Extensible Enumeration] All other countries Non-US [Member] Deferred Compensation Plan Deferred Compensation Plan Policy [Policy Text Block] Deferred Compensation Plan Policy [Text Block] Debt conversion, converted instrument, rate Debt Conversion, Converted Instrument, Rate Intangibles, net Intangible Assets, Net (Excluding Goodwill) COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO COMMON SHAREHOLDERS Comprehensive Income (Loss), Net of Tax, Attributable to Parent Less: Imputed interest Lessee Liability Undiscounted Excess Amount Lessee Liability Undiscounted Excess Amount Contract Liabilities Contract with Customer, Liability Other comprehensive (loss) income: Other Comprehensive Income (Loss), Net of Tax [Abstract] Indefinite-lived intangible assets Indefinite-lived Intangible Assets (Excluding Goodwill) [Abstract] Convertible Senior Notes Debt, Policy [Policy Text Block] Deferred taxes Deferred Income Tax Liabilities, Net Sheraton Sheraton [Member] Represents the information pertaining to Sheraton brand. Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Property and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Reconciliation of US statutory income tax rate to our effective income tax rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Variable Interest Entity Variable Interest Entity, Primary Beneficiary [Member] Total MVW Shareholders' Equity Parent [Member] Non-cash issuance of treasury stock in connection with Welk Acquisition Issuance of Stock in Connection with Acquisition Issuance of Stock in Connection with Acquisition Tax rate changes Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Classifications of consolidated vie assets and liabilities Schedule of Variable Interest Entities [Table Text Block] Term Loan Corporate Credit Facility Corporate Credit Facility [Member] Corporate Credit Facility [Member] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] 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. Inventory Increase (Decrease) in Inventories Other (including $76 and $54 from VIEs, respectively) Other assets Other Assets Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding 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. Intangible Assets [Line Items] Intangible Assets [Line Items] Intangible Assets Thereafter Time-Sharing Transaction, Notes Receivable, Maturity, after Year Five Expenses Cost of Goods and Services Sold Allowance for credit loss, period increase Provision for Loan, Lease, and Other Losses Tax receivable Income Taxes Receivable Long Term Debt Maturities Repayments Of Principal [Table] Long Term Debt Maturities Repayments Of Principal [Table] Long Term Debt Maturities Repayments Of Principal [Table] Entity Central Index Key Entity Central Index Key Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Deferred Tax Assets Deferred Tax Assets, Gross [Abstract] Lease, cost Lease, Cost Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Table] Significant acquisitions and disposals consideration received and receivable Significant Acquisitions And Disposals Consideration Received And Receivable Significant Acquisitions And Disposals Consideration Received And Receivable Surety bonds issued Surety Bonds Surety Bonds issued. Member relationships Customer Relationships [Member] PROPERTY AND EQUIPMENT Property, Plant and Equipment Disclosure [Text Block] Repurchase of common stock (in shares) Treasury Stock, Shares, Acquired 2022 Lessee Liability Payments Due Next Twelve Months Lessee Liability Payments Due Next Twelve Months Debt Instrument [Line Items] Debt Instrument [Line Items] Trading Symbol Trading Symbol Revenues Business Acquisition, Pro Forma Revenue Other, net Deferred Tax Liabilities, Other Other assets Increase (Decrease) in Other Operating Assets Exercise price of warrants (in usd per share) Class of Warrant or Right, Exercise Price of Warrants or Rights 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 2024 Lessee Liability Payments Due in Three Years Lessee Liability Payments Due in Three Years Payment of withholding taxes on vesting of restricted stock units Restricted Stock, Value, Shares Issued Net of Tax Withholdings Impairment of Long-Lived Assets and Other Intangible Assets Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block] Certain items Certain Items Adjusted EBITDA Reconciliation Represents certain items that are used to reconcile Adjusted EBITDA to Net Income Attributable to Common Shareholders Beginning balance Ending balance Goodwill, Gross Deferred compensation liability Increase (Decrease) in Deferred Compensation Debt and lease obligation Debt and Lease Obligation Schedule of Goodwill [Table] Schedule of Goodwill [Table] Tax restructuring transaction Stock Issued During Period, Value, Other Share-based compensation expense Share-based compensation expense Share-based Payment Arrangement, Expense Unusual or Infrequent Item, or Both [Axis] Unusual or Infrequent Item, or Both [Axis] EARNINGS (LOSS) PER SHARE ATTRIBUTABLE TO COMMON SHAREHOLDERS Earnings Per Share, Basic and Diluted [Abstract] 2018 Financing Receivables Past Due Fourth Year [Member] Financing Receivables Past Due Fourth Year [Member] Other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Assets The amount of other assets recognized as of the acquisition date. NET INCOME (LOSS) NET INCOME (LOSS) Net (loss) income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Commitments and Contingencies Disclosure [Table] Commitments and Contingencies Disclosure [Table] Commitments and Contingencies Disclosure [Table] Earnings or losses before income taxes by geographic region Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Cash, cash equivalents, and restricted cash, beginning of year Cash, cash equivalents, and restricted cash, end of year Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Allowance for credit losses Initial allowance for credit losses for Legacy-Welk vacation ownership notes receivable Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Guarantor obligations, maximum exposure Guarantor Obligations, Maximum Exposure, Undiscounted Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Other, net Proceeds from (Payments for) Other Financing Activities Finite-lived intangible assets, gross Finite-Lived Intangible Assets, Gross Definite-lived intangible assets Finite-Lived Intangible Assets, Net [Abstract] Equity Interest Type [Axis] Equity Interest Type [Axis] Aggregate intrinsic value, vested (less than) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested Total lease payments Lessee Liability Payments Due Lessee Liability Payments Due Warrants and rights outstanding Warrants and Rights Outstanding OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX Other Comprehensive Income (Loss), Net of Tax Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] SHAREHOLDERS' EQUITY Stockholders' Equity Note Disclosure [Text Block] 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 ILG, Inc ILG, Inc [Member] ILG, Inc [Member] Measurement Basis [Axis] Measurement Basis [Axis] Adjusted earnings before income taxes depreciation and amortization Adjusted Earnings Before Income Taxes Depreciation And Amortization A non-GAAP financial measure equal to adjusted earnings before income taxes, depreciation and amortization Expected amortization expense, 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Five Schedule of antidilutive securities excluded from computation of earnings per share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Auditor Firm ID Auditor Firm ID Net cash, cash equivalents, and restricted cash (used in) provided by investing activities Net Cash Provided by (Used in) Investing Activities Fair Value Portion at Fair Value Measurement [Member] Net change in assets and liabilities, net of the effects of acquisition: Increase (Decrease) in Operating Capital [Abstract] Auditor Information [Abstract] Auditor Information 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 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. Credit facility Line of Credit Facility, Maximum Borrowing Capacity Operating cash flows for finance leases Finance Lease, Interest Payment on Liability Foreign exchange adjustments Goodwill, Foreign Currency Translation Gain (Loss) Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Ownership [Domain] Ownership [Domain] Accounts payable Accounts Payable Beginning balance Ending balance Time Sharing Transactions, Allowance for Uncollectible Accounts Buildings and leasehold improvements Buildings and Improvements, Gross Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Range of stated interest rates Time-sharing Transactions, Stated Interest Rate for Notes Receivable Number of years for payments to commence under financing contracts after closing Number Of Years For Payments To Commence Under Financing Contracts After Closing Number Of Years For Payments To Commence Under Financing Contracts After Closing Stock options Marriott Vacations Worldwide Corporation [Member] Marriott Vacations Worldwide Corporation Ancillary Business Ancillary Business [Member] Ancillary Business Extinguishment of debt, amount Extinguishment of Debt, Amount Guarantor obligations, ownership percentage Guarantor Obligations, Ownership Percentage Guarantor Obligations, Ownership Percentage Construction in progress Construction in Progress, Gross Write off of deferred debt issuance cost Write off of Deferred Debt Issuance Cost Capital loss carryforwards Deferred Tax Assets, Capital Loss Carryforwards 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. Inventory Inventory, Policy [Policy Text Block] – Non-U.S. Current Foreign Tax Expense (Benefit) Credit Score, FICO [Domain] Credit Score, FICO [Domain] Beginning of period, cost of shares repurchased Ending of period, cost of shares repurchased Treasury Stock, Value, Gross Treasury Stock, Value, Gross Dispositions, net Proceeds from Sale of Other Property, Plant, and Equipment Number of resorts Number of vacation ownership brands Number of Resorts Number of Resorts Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Unamortized debt discount Debt Instrument, Unamortized Discount Number of quarters Number Of Quarters Number Of Quarters Cash Inflows Cash Inflows [Abstract] Cash Inflows [Abstract] Deferred Tax Asset [Domain] Deferred Tax Asset [Domain] 2023 Time-Sharing Transaction, Notes Receivable, Maturity, Year Two Accounting Standards Update 2016-02 [Member] Accounts Payable and Accrued Liabilities