Line of credit facility, increase in maximum borrowing capacity Line of Credit Facility, Increase In Maximum Borrowing Capacity Line of Credit Facility, Increase In Maximum Borrowing Capacity Stock awards, grants in period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Restatement [Axis] Revision of Prior Period [Axis] Receivable Type [Axis] Receivable Type [Axis] Other Other Nonoperating Income (Expense) 2023 Time-Sharing Transaction, Notes Receivable, Maturity, Year Three Contingencies and commitments Commitments and Contingencies Disclosure [Text Block] Classifications of consolidated vie assets and liabilities Schedule of Variable Interest Entities [Table Text Block] Amortization of debt discount Amortization of Debt Discount (Premium) Management fee revenues Management Service [Member] Treasury Stock Treasury Stock [Member] Accounts payable, advance deposits and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Cost of Shares Repurchased Cost of Shares Repurchased Treasury Stock, Value, Gross Treasury Stock, Value, Gross Segments [Axis] Segments [Axis] Hyatt Hyatt [Member] Represents the information pertaining to Hyatt brand. Inventory impairment Inventory Write-down 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. Contract with customer, contract assets Contract with Customer, Asset, before Allowance for Credit Loss ILG Acquisition purchase accounting adjustment Goodwill, Purchase Accounting Adjustments Employees and non employee directors Employees And Non Employee Directors [Member] Employees And Non Employee Directors [Member] (LOSS) INCOME BEFORE INCOME TAXES AND NONCONTROLLING INTERESTS Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax Future adoption of new accounting standards Future Adoption of New Accounting Standards [Policy Text Block] Future Adoption of New Accounting Standards Policy [Policy Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document And Entity Information [Abstract] Deferred taxes Deferred Income Tax Liabilities, Net 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 Vacation ownership notes receivable, net of reserves Vacation Ownership Notes Receivable [Member] Vacation Ownership Notes Receivable [Member] Revenues Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Cash Flows Between Transferor and Transferee, Payment to Purchaser Cash Flows Between Transferor and Transferee, Payment to Purchaser Cash Flows Between Transferor and Transferee, Payment to Purchaser Proceeds from debt Proceeds from Issuance of Debt Current Fiscal Year End Date Current Fiscal Year End Date Other Other Debt [Member] Other Debt Intangibles, net Intangible Assets, Net (Excluding Goodwill) Thereafter Long-Term Debt, Maturity After Year Four Long-Term Debt, Maturity After Year Four Trade names and trademarks Trademarks and Trade Names [Member] Accounts receivable Increase (Decrease) in Accounts and Other Receivables Receivables from Contracts with Customers Contract with Customer, Asset, after Allowance for Credit Loss [Abstract] Debt issuance costs Payments of Debt Issuance Costs Payments of Debt Issuance Costs Entity Address, Postal Zip Code Entity Address, Postal Zip Code Non-Securitized Non-Securitized Nonsecuritized Vacation Ownership Notes Receivable [Member] Nonsecuritized vacation ownership notes receivable Contract with customer, asset and liability Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Performance shares Performance Shares [Member] Services transferred over time Transferred over Time [Member] Variable Rate [Domain] Variable Rate [Domain] Investments by Consolidated and Nonconsolidated Entities [Axis] Investments by Consolidated and Nonconsolidated Entities [Axis] Variable Rate [Axis] Variable Rate [Axis] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Commitments and contingencies Commitments and Contingencies Sheraton Sheraton [Member] Represents the information pertaining to Sheraton brand. 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. Repurchase of common stock Payments for Repurchase of Common Stock ASSETS Assets [Abstract] 2020 Financing Receivables Past Due Current Year [Member] Financing Receivables Past Due Current Year [Member] Accounting Policies [Abstract] Accounting Policies [Abstract] Time-sharing Transactions, Stated Interest Rate for Notes Receivable Time-sharing Transactions, Stated Interest Rate for Notes Receivable Number of notes receivable pools under performance triggers Number of Notes Receivable Pools Under Performance Triggers Number of Notes Receivable Pools Under Performance Triggers Entity Shell Company Entity Shell Company Foreign exchange adjustments Goodwill, Foreign Currency Translation Gain (Loss) SARs Stock Appreciation Rights (SARs) [Member] 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. Document Type Document Type 2023 Long-Term Debt, Maturity, Year Three Financial Asset, Period Past Due [Axis] Financial Asset, Period Past Due [Axis] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Retained earnings Retained Earnings (Accumulated Deficit) Securitized debt, net (including $1,769 and $1,871 from VIEs, respectively) Securitized Debt Secured Debt Net Cash Flows Cash Flows Between Transferee and Transferor Net Cash Flows Between Transferee And Transferor Net. Unamortized debt discount Debt Instrument, Unamortized Discount Repurchase of common stock (in shares) Treasury Stock, Shares, Acquired Convertible debt Convertible Debt [Table Text Block] Eligible for securitization Eligible for Securitization [Member] Eligible for Securitization [Member] Debt Disclosure [Table] Debt Disclosure [Table] Debt Disclosure [Table] Deferred compensation costs related to unvested awards Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount 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 AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Debt Non Recourse Debt [Member] Non Recourse Debt Guarantor obligations, maximum exposure Guarantor Obligations, Maximum Exposure, Undiscounted Preferred stock — $0.01 par value; 2,000,000 shares authorized; none issued or outstanding Preferred Stock, Value, Issued Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Document Quarterly Report Document Quarterly Report Common stock, par (in usd per share) Common stock, par (in usd per share) Common Stock, Par or Stated Value Per Share Reserve release Cash Flows Between Transferee and Transferor Reserve Release Cash Flows Between Transferee and Transferor Reserve Release Marketable securities Marketable Securities Finance lease payment Finance Lease, Principal Payments 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 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] 2028 Notes 2028 Notes [Member] 2028 Notes [Member] 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 Inventory Inventory, Net (less than) 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. 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 Revenue from contracts with customers Revenue from Contract with Customer, Excluding Assessed Tax Current Financing Receivable, Not Past Due Concentration risk, percentage Concentration Risk, Percentage Entity File Number Entity File Number Business Acquisition [Axis] Business Acquisition [Axis] Geographical [Domain] Geographical [Domain] Waikiki Hawaii Waikiki Hawaii [Member] Waikiki Hawaii [Member] Statement [Line Items] Statement [Line Items] Notes receivable estimated average remaining default rates Notes Receivable, Estimated Average Default Rates Notes Receivable, Estimated Average Default Rates 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. Forecast Forecast [Member] Stockholders' Equity [Table] Stockholders' Equity [Table] Stockholders' Equity [Table] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Bali Indonesia Resort Two Bali, Indonesia Resort Two [Member] Bali, Indonesia Resort Two [Member] Document Fiscal Period Focus Document Fiscal Period Focus ILG acquisition-related costs Business Combination, Acquisition Related Costs Statement [Table] Statement [Table] Future Minimum Payments Receivable [Line Items] Future Minimum Payments Receivable [Line Items] Future Minimum Payments Receivable [Line Items] Statistical Measurement Statistical Measurement [Axis] Credit Facility [Axis] Credit Facility [Axis] Debt instrument, fair value Debt Instrument, Fair Value Disclosure Aging of recorded investment in principal, before reserves, in vacation ownership notes receivable Financing Receivable, Past Due [Table Text Block] Interest payable Interest Payable [Member] Interest Payable Exchange & Third-Party Management Exchange and Third-Party Management [Member] Exchange and Third-Party Management [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. Preferred stock, issued (in shares) Preferred Stock, Shares Issued Not eligible for securitization Not Eligible for Securitization [Member] Not Eligible for Securitization [Member] Deferred compensation liability Deferred Compensation Liability, Current and Noncurrent Exercise price of warrants (in usd per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Weighted Average Weighted Average [Member] Financing receivable credit quality indicators Financing Receivable Credit Quality Indicators [Table Text Block] Business Combinations [Abstract] Business Combinations [Abstract] Guarantor obligations, maximum exposure, due in third year Guarantor Obligations, Maximum Exposure, Undiscounted, Due In Third Year Guarantor Obligations, Maximum Exposure, Undiscounted, Due In Third Year Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] 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 Securitized debt Securitized Vacation Ownership Debt Disclosure [Text Block] The entire disclosure for securitized vacation ownership debt. Debt Debt Disclosure [Text Block] Unamortized debt issuance costs Unamortized debt issuance costs Unamortized Debt Issuance Expense Goodwill [Roll Forward] Goodwill [Roll Forward] Financial Asset, Period Past Due [Domain] Financial Asset, Period Past Due [Domain] 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] Penalties and interest accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued ILG Acquisition Converted RSUs ILG Acquisition Converted Restricted Stock Unit RSUs [Member] ILG Acquisition Converted Restricted Stock Unit RSUs [Member] Shares authorized for issuance under the plan (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized New York City, New York New York City [Member] New York City [Member] Stock repurchase activity under current stock repurchase program Class of Treasury Stock [Table Text Block] Corporate and Other Corporate, Non-Segment [Member] Amendment Flag Amendment Flag Shares available for grants under the plan (in shares) (less than) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Repayments of debt Repayments of Debt Reclassification to Income Statement Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Interest income Interest On Notes Receivable Interest On Notes Receivable 2019 Financing Receivables Past Due Second Year [Member] Financing Receivables Past Due Second Year [Member] Net cash, cash equivalents and restricted cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Investment in notes receivable on non-accrual status Financing Receivable, Nonaccrual Current borrowing capacity Line of Credit Facility, Current Borrowing Capacity Derivative Instrument [Axis] Derivative Instrument [Axis] Maximum loss (less than for New York) Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Carrying values and estimated fair values of financial assets and liabilities Fair Value, by Balance Sheet Grouping [Table Text Block] 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. Purchase commitment obligation due, 2024 Purchase Obligation, to be Paid, Year Four Fair Value Measurement [Domain] Fair Value Measurement [Domain] Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Table] Senior notes Senior Notes [Member] 2016 Financing Receivables Past Due Fifth Year [Member] Financing Receivables Past Due Fifth Year [Member] Financing Receivable [Domain] Financing Receivable [Domain] [Domain] for Financing Receivable [Axis] Geographical Geographical [Axis] Local Phone Number Local Phone Number Asset acquisition, recognized identifiable assets acquired, other assets Asset Acquisition, Recognized Identifiable Assets Acquired, Other Assets Asset Acquisition, Recognized Identifiable Assets Acquired, Other Assets Number of warrants exercised (in shares) Class Of Warrant Or Right, Number Of Warrants Exercised Class of Warrant or Right, Number Of Warrants Exercised Segments [Domain] Segments [Domain] Purchase commitment obligation due, thereafter Purchase Obligation, to be Paid, After Year Four Purchase Obligation, to be Paid, After Year Four Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Trust Entity [Axis] Trust Entity [Axis] Trust Entity Class B notes Class B Notes [Member] Class B Notes 2024 Long-Term Debt, Maturity, Year Four Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] 2018 Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year Average price paid per share (in usd per share) Treasury Stock Acquired, Average Cost Per Share Indefinite-lived Intangible Assets [Line Items] Indefinite-lived Intangible Assets [Line Items] Convertible Notes, net Convertible Senior Notes [Member] Convertible Senior Notes [Member] Resorts open, percent Resorts Open, Percent Resorts Open, Percent FINANCING ACTIVITIES Net Cash Provided by (Used in) Financing Activities [Abstract] Notional amount Derivative, Notional Amount 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 Service-based RSUs Service Based Restricted Stock Unit [Member] Service Based Restricted Stock Unit [Member] Entity Current Reporting Status Entity Current Reporting Status Vacation ownership projects currently under development Time Sharing Transactions, Estimated Cost to Complete Improvements and Promised Amenities Other Other Liabilities Business segments Segment Reporting Disclosure [Text Block] Total financial liabilities Financial Liabilities Fair Value Disclosure TOTAL ASSETS Total assets Assets (Losses) gains and other (expense) income, net Gains (Losses) And Other Income (Expense), Net Gains (Losses) And Other Income (Expense), Net Impairment Impairment charge Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) Scenario [Axis] Scenario [Axis] 2026 Notes 2026 Notes [Member] 2026 Notes [Member] 31 – 90 days past due Financing Receivables, 31 To 90 Days Past Due [Member] Financing Receivables, 31 To 90 Days Past Due [Member] Catastrophic Event [Axis] Catastrophic Event [Axis] Investments in and Advances to Affiliates Categorization [Axis] Investments in and Advances to Affiliates Categorization [Axis] Antidilutive Securities Antidilutive Securities [Axis] Contract Liabilities Contract with Customer, Liability [Abstract] Entity Small Business Entity Small Business Other assets Other Assets, Fair Value Disclosure Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Vacation ownership notes receivable reserve Provision for Loan and Lease Losses Interest payable Interest Payable Previously Reported Previously Reported [Member] Adjusted EBITDA reconciling items from segments Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Table Text Block] 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] Share repurchase program, number of common stock authorized to be repurchased (in shares) Stock Repurchase Program, Number of Shares Authorized to be Repurchased Acquisitions and dispositions Mergers, Acquisitions and Dispositions Disclosures [Text Block] Entity Filer Category Entity Filer Category Proceeds from vacation ownership notes receivable securitizations Proceeds from Accounts Receivable Securitization Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Revenue, Initial Application Period Cumulative Effect Transition [Line Items] Accrued liabilities (including $2 and $2 from VIEs, respectively) Accrued Liabilities Accrued Liabilities Product and Service [Axis] Product and Service [Axis] TOTAL LIABILITIES Liabilities Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Entity Address, City or Town Entity Address, City or Town Non-cash transfer from inventory to property and equipment Transfer From Inventory To Property And Equipment Transfer From Inventory To Property And Equipment Goods or services transferred at a point in time Transferred at Point in Time [Member] Stockholders Equity Note [Line Items] Stockholders Equity Note [Line Items] Stockholders Equity Note [Line Items] Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate 91 – 150 days past due Financing Receivables, 91 To 150 Days Past Due [Member] Financing Receivables, 91 To 150 Days Past Due [Member] SUPPLEMENTAL DISCLOSURES Supplemental Cash Flow Elements [Abstract] Non-US Non-US [Member] 2022 Long-Term Debt, Maturity, Year Two Contract with customer, liability, revenue recognized Contract with Customer, Liability, Revenue Recognized Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Cash Inflows Cash Inflows [Abstract] Cash Inflows [Abstract] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Inventory Increase (Decrease) in Inventories Debt, weighted average interest rate Debt, Weighted Average Interest Rate 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 Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Document Fiscal Year Focus Document Fiscal Year Focus Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] MVW-2020-1 LLC MVW-2020-1 LLC [Member] MVW-2020-1 LLC Debt Instrument [Axis] Debt Instrument [Axis] Additional Paid-In Capital Additional Paid-in Capital [Member] 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. Other (including $45 and $39 from VIEs, respectively) Other Assets Other Assets Interest receivable Interest Receivable [Member] Interest Receivable Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Operating segments Operating Segments [Member] Other, net Other Operating Activities, Cash Flow Statement Purchase commitment obligation due, 2022 Purchase Obligation, to be Paid, Year Two Repurchase of common stock Cost of Shares Repurchased Treasury Stock, Value, Acquired, Cost Method Guarantor obligations, maximum exposure, due in five year Guarantor Obligations, Maximum Exposure, Undiscounted, Due In Five Year Guarantor Obligations, Maximum Exposure, Undiscounted, Due In Five Year 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] Net proceeds from vacation ownership notes receivable securitizations Proceeds from (Repayments of) Accounts Receivable Securitization Long Term Debt Maturities Repayments Of Principal [Table] Long Term Debt Maturities Repayments Of Principal [Table] Long Term Debt Maturities Repayments Of Principal [Table] 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 Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Other Other Receivables Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Commitments and Contingencies Disclosure [Line Items] Commitments and Contingencies Disclosure [Line Items] Commitments and Contingencies Disclosure [Line Items] 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. Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Deferred compensation liability Increase (Decrease) in Deferred Compensation Convertible Notes, net Convertible Debt, Fair Value Disclosures Finished goods Inventory, Real Estate, Timeshare Available-for-sale Schedule of Goodwill [Table] Schedule of Goodwill [Table] Revolving corporate credit facility, net Revolving Credit Facility [Member] Tax receivable Income Taxes Receivable Cost reimbursements Cost reimbursements Cost Reimbursements, Expense Cost Reimbursements, Expense Variable interest entities Variable Interest Entity Disclosure [Text Block] Loss Contingency Nature Loss Contingency Nature [Axis] Variable Interest Entity, Not Primary Beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] Letters of credit outstanding Letters of Credit Outstanding, Amount Common stock, shares authorized (in shares) Common Stock, Shares Authorized Concentration Risk Type [Axis] Concentration Risk Type [Axis] ILG Acquisition purchase accounting adjustment Change in Business Combination Acquisition of Less Than 100 Percent Noncontrolling Interest Fair Value Change in Business Combination Acquisition of Less Than 100 Percent Noncontrolling Interest Fair Value Restructuring Plan [Domain] Restructuring Plan [Domain] Class C notes Class C Notes [Member] Class C Notes Private Warrants Private Warrants [Member] Private Warrants [Member] Secured debt, net Secured Debt, Net Secured Debt, Net Vacation Ownership Vacation Ownership [Member] Vacation Ownership [Member] 2021 Time-Sharing Transaction, Notes Receivable, Maturity, Year One 2025 Notes 2025 Notes [Member] 2025 Notes Document Period End Date Document Period End Date Contractual interest expense Interest Expense, Debt, Excluding Amortization Payroll and benefit liabilities Increase (Decrease) in Employee Related Liabilities Entity Registrant Name Entity Registrant Name Fair Value Estimate of Fair Value Measurement [Member] 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 Income Statement [Abstract] Income Statement [Abstract] Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Interest receivable Interest Receivable Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Variable interest entity Variable Interest Entity, Primary Beneficiary [Member] Securitizations Securitized Financing Receivable Securitized Financing Receivable Unamortized debt discount and issuance costs Unamortized debt discount and issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Average price paid per share (in usd per share) Average price paid per share (in usd per share) Stock Repurchased, Per Share Average Price Stock Repurchased, Per Share Average Price 2022 Time-Sharing Transaction, Notes Receivable, Maturity, Year Two Credit Score, FICO [Domain] Credit Score, FICO [Domain] Dividends Dividends Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Beginning Balance Ending Balance Goodwill, Gross Consolidated Entities [Axis] Consolidated Entities [Axis] COMPREHENSIVE (LOSS) INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS Comprehensive Income (Loss), Net of Tax, Attributable to Parent Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Preferred stock, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Debt Instrument, Covenant, Liquidity Threshold Debt Instrument, Covenant, Liquidity Threshold Debt Instrument, Covenant, Liquidity Threshold 2021 Long-Term Debt, Maturity, Year One Scenario [Domain] Scenario [Domain] Other comprehensive loss before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent Capital expenditures for property and equipment (excluding inventory) Payments to Acquire Property, Plant, and Equipment Consolidation Items [Domain] Consolidation Items [Domain] Cash flows between transferee and transferor proceeds Total Cash Flows Between Transferee And Transferor Proceeds Cash Flows Between Transferee And Transferor Proceeds Entity Tax Identification Number Entity Tax Identification Number Interest expense to investors Interest Expense, Related Party Debt Disclosure [Line Items] Debt Disclosure [Line Items] Debt Disclosure [Line Items] Certain items Certain Items Adjusted EBITDA Reconciliation Represents certain items that are used to reconcile Adjusted EBITDA to Net Income Attributable to Common Shareholders Maximum amount of RSU subject to vesting (in shares) Maximum Performance Awards Maximum amount of Restricted Stock Units that may vest under performance-based vesting criteria. Goodwill and intangibles Goodwill and Intangible Assets Disclosure [Text Block] Restricted cash Restricted Cash [Member] Restricted Cash Revenue remaining performance obligation expected timing (percentage) Revenue, Remaining Performance Obligation, Percentage Cash dividend declared Dividends Declared [Table Text Block] Weighted average FICO score within originated loan pool Weighted average FICO score within originated loan pool Weighted average FICO score within originated loan pool Senior Secured Notes Senior Secured Notes [Member] Senior Secured Notes [Member] NET (LOSS) INCOME Net (loss) income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Disaggregation of revenue Disaggregation of Revenue [Table Text Block] Trading Symbol Trading Symbol Allowance for credit loss, percentage increase, period Financing Receivable, Allowance for Credit Loss, Percentage Increase, Period Financing Receivable, Allowance for Credit Loss, Percentage Increase, Period Payroll and benefits liability Employee-related Liabilities Warehouse Credit Facility Warehouse Credit Facility [Member] Warehouse Credit Facility [Member] Stock awards granted, weighted average (in usd per share) exercise date fair value 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 Proceeds from issuance debt Proceeds from Issuance of Senior Long-term Debt Schedule of compensation cost for share-based payment arrangements, allocation of share-based compensation costs by plan Share-based Payment Arrangement, Cost by Plan [Table Text Block] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Allowance for credit loss, percentage increase Financing Receivable, Allowance for Credit Loss, Percentage Increase Financing Receivable, Allowance for Credit Loss, Percentage Increase Share-based compensation Share-based Payment Arrangement, Noncash Expense Legal Entity [Axis] Legal Entity [Axis] Repayment of Warehouse Credit Facility Cash Flows Between Transferee And Transferor Repayments Of Warehouse Credit Facility Cash Flows Between Transferee And Transferor Repayments Of Warehouse Credit Facility 2020, remaining Long-Term Debt, Maturity, Remainder of Fiscal Year Management and exchange Management And Exchange [Member] Management And Exchange 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 Other, net Proceeds from (Payments for) Other Financing Activities Payment of withholding taxes on vesting of restricted stock units Restricted Stock, Value, Shares Issued Net of Tax Withholdings Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] Other comprehensive income attributable to noncontrolling interests Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest Option indexed to issuer's equity, indexed shares (in shares) Option Indexed to Issuer's Equity, Indexed Shares Interest Rate Swap, September 2023 Interest Rate Swap, September 2023 [Member] Interest Rate Swap, September 2023 [Member] Entity [Domain] Entity [Domain] COVID-19 pandemic COVID-19 Pandemic [Member] COVID-19 Pandemic [Member] Shares remained available for repurchase under the program (in shares) Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased Debt instrument, convertible, remaining discount amortization period Debt Instrument, Convertible, Remaining Discount Amortization Period Long-term debt Long-term debt Long-term Debt Goodwill [Line Items] Goodwill [Line Items] 600 - 699 FICO Score, 600 to 699 [Member] Deferred revenue Increase (Decrease) in Contract with Customer, Liability Senior Unsecured Notes Senior Unsecured Notes [Member] Senior Unsecured Notes [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] Restricted cash (including $69 and $64 from VIEs, respectively) Restricted Cash and Cash Equivalents Restricted Cash and Cash Equivalents City Area Code City Area Code Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Expenses Expenses Cost of Goods and Services Sold TOTAL EXPENSES Costs and Expenses Segment Reporting, Asset Reconciling Item [Line Items] Segment Reporting, Asset Reconciling Item [Line Items] Equity Components Equity Components [Axis] Derivative instrument adjustment, net of tax Derivative instrument adjustment Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Title of 12(b) Security Title of 12(b) Security Total past due Financing Receivable, Past Due Share-based Payment Arrangement [Abstract] Share-based Payment Arrangement [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Receivables [Abstract] Receivables [Abstract] Minimum Minimum [Member] Balance Sheet Location [Domain] Balance Sheet Location [Domain] 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. Land Land [Member] Consolidated Entities [Domain] Consolidated Entities [Domain] Financing Financing Expense Not From Contract With Customer Financing expenses include costs in support of the financing, servicing and securitization processes. Real estate inventory Inventory Timeshare, Gross Total of (1) improvements, (2) held-for-sale, and (3) construction-in-process. Net income attributable to noncontrolling interests Net income attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Convertible note hedges exercised (in shares) Convertible Note Hedges Exercised Convertible note hedges exercised REVENUES Revenues [Abstract] Credit Score, FICO [Axis] Credit Score, FICO [Axis] OPERATING ACTIVITIES Net Cash Provided by (Used in) Operating Activities [Abstract] Shareholders' equity Stockholders' Equity Note Disclosure [Text Block] Advance rate for securitization Advance Rate For Securitization Advance Rate For Securitization Purchase commitment Purchase Obligation Voluntary repurchases of defaulted vacation ownership 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. Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Commitment fee percentage Line of Credit Facility, Commitment Fee Percentage Cash Outflows Cash Outflows [Abstract] Cash Outflows [Abstract] Additional paid-in capital Additional Paid in Capital, Common Stock Purchase commitment obligation due, 2023 Purchase Obligation, to be Paid, Year Three Accounts payable Accounts Payable Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Legacy-MVW Legacy MVW [Member] Legacy MVW [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Other liabilities Increase (Decrease) in Other Operating Liabilities Surety bonds issued Surety Bonds Surety Bonds issued. Impairment charges Asset Impairment Charges Beginning balance Ending balance Time Sharing Transactions, Allowance for Uncollectible Accounts Workforce Reduction Plan Workforce Reduction Plan [Member] Workforce Reduction Plan Indemnification asset FDIC Indemnification Asset Cash flows between transferee and transfer or funding of restricted cash (less than for third quarter of 2019) 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 Number of reportable business segments Number of Reportable Segments Schedule of unrecognized compensation cost, nonvested awards Share-based Payment Arrangement, Nonvested Award, Cost [Table Text Block] Interest Rate Swap, April 2024 Interest Rate Swap, April 2024 [Member] Interest Rate Swap, April 2024 [Member] Real estate inventory, increase (decrease) true up (less than) Real Estate Inventory, Increase (Decrease) True Up Changes in estimates within the relative sales value calculations accounted for as real estate inventory true-ups. Interest rate, effective percentage Debt Instrument, Interest Rate, Effective Percentage 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] Consolidation Items [Axis] Consolidation Items [Axis] Purchase of company owned life insurance Payments for (Proceeds from) Life Insurance Policies Purchase commitment obligation due, 2020 Purchase Obligation, to be Paid, Remainder of Fiscal Year 2015 & Prior Financing Receivables Past Due After Fifth Year [Member] Financing Receivables Past Due After Fifth Year [Member] Interest receipts Cash Flows Between Transferee And Transferor Proceeds From Interest Receipts Cash Flows Between Transferee And Transferor Proceeds From Interest Receipts Impairment Impairment Goodwill, Impairment Loss Performance-based RSUs Performance Based Restricted Stock Unit [Member] Performance Based Restricted Stock Unit [Member] Depreciation and amortization Depreciation and amortization of intangibles Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Restructuring reserve Restructuring Reserve Receivables from contracts with customers Receivables from Customers Greater than 120 days past due Financing Receivables Equal To Greater Than120 Days Past Due [Member] Financing receivables that are equal to or greater than 120 days past due. 2018 Financing Receivables Past Due Third Year [Member] Financing Receivables Past Due Third Year [Member] Sales centers open, percent Sales Centers Open, Percent Sales Centers Open, Percent Westin Westin [Member] Represents the information pertaining to Westin brand. Total Cash Flows Between Transferee And Transferor Repayments Cash Flows Between Transferee And Transferor Repayments Cost reimbursements Revenues, Cost Reimbursement Revenues, Cost Reimbursement Goodwill Goodwill Net other comprehensive loss Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Title of Individual [Axis] Title of Individual [Axis] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] CASH DIVIDENDS DECLARED PER SHARE (in usd per share) Dividend per share (in usd per share) Common Stock, Dividends, Per Share, Declared Principal amount Debt Instrument, Face Amount 2015 and Prior Financing Receivable, Originated, More than Five Years before Current Fiscal Year Schedule of goodwill Schedule of Goodwill [Table Text Block] Asset acquisition, recognized identifiable assets acquired, inventory Asset Acquisition, Recognized Identifiable Assets Acquired, Inventory Amount of purchase price allocated to Inventory. Financing receivable, nonaccrual Financing Receivable, Nonaccrual [Table Text Block] Equity [Abstract] Equity [Abstract] Cap strike rate Derivative, Cap Interest Rate Total financial assets Assets, Fair Value Disclosure Basis of presentation Basis of Accounting [Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Deposits on future purchases of inventory Deposits on Future Purchases of Inventory Deposits on Future Purchases of Inventory 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. Entity Central Index Key Entity Central Index Key Derivative, fixed interest rate Derivative, Fixed Interest Rate Entity Emerging Growth Company Entity Emerging Growth Company Allowance for credit loss, period increase Provision for Loan, Lease, and Other Losses Impact of adoption of ASU 2016-02 Accounting Standards Update [Extensible List] Revision of Prior Period, Accounting Standards Update, Adjustment Revision of Prior Period, Accounting Standards Update, Adjustment [Member] Credit Facility [Domain] Credit Facility [Domain] Derivative Contract [Domain] Derivative Contract [Domain] Shares for diluted earnings per share (in shares) Weighted Average Number of Shares Outstanding, Diluted Letter of credit Letter of Credit [Member] Basic (in usd per share) Basic (loss) earnings per share (in usd per share) Earnings Per Share, Basic Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate 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 Expected term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Schedule of Indefinite-Lived Intangible Assets [Table] Schedule of Indefinite-Lived Intangible Assets [Table] Convertible Note Hedges Convertible Note Hedges [Member] Convertible Note Hedges [Member] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Number of vacation ownership units expected to be acquired Expected Number of Ownership Units to be Acquired Expected Number of Ownership Units to be Acquired Future Minimum Payments Receivable [Table] Future Minimum Payments Receivable [Table] Future Minimum Payments Receivable [Table] Marketing and sales Selling and Marketing Expense Stock Repurchase [Roll Forward] Stock Repurchase [Roll Forward] Stock Repurchase [Roll Forward] Restructuring Plan [Axis] Restructuring Plan [Axis] Amortization of debt discount and issuance costs Amortization of Debt Issuance Costs and Discounts Debt, net Net carrying amount of the liability component 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. Other Brand, Other [Member] Represents the information pertaining to the other brands, which are not specifically mentioned. Net cash, cash equivalents and restricted cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Short-term Debt, Type [Axis] Short-term Debt, Type [Axis] Deferred revenue Deferred revenue Contract With Customer, Liability, Deferred Revenue Contract With Customer, Liability, Deferred Revenue Share-based compensation expense Share-based compensation expense Share-based Payment Arrangement, Expense Balance Sheet Location [Axis] Balance Sheet Location [Axis] Unrecognized Tax Benefits, Beginning Balance Ending balance Unrecognized Tax Benefits Employee stock plan issuance Stock Issued During Period, Value, Employee Stock Purchase Plan Investments by Consolidated and Nonconsolidated Entities [Domain] Investments by Consolidated and Nonconsolidated Entities [Domain] Common stock — $0.01 par value; 100,000,000 shares authorized; 75,250,627 and 75,020,272 shares issued, respectively Common Stock, Value, Issued 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 Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Borrowings from securitization transactions Proceeds from Issuance of Secured Debt Composition of inventory Inventory [Table Text Block] Inventory Table Schedule of financing receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Decreases related to settlements with taxing authorities Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Commitments and Contingencies Disclosure [Table] Commitments and Contingencies Disclosure [Table] Commitments and Contingencies Disclosure [Table] Receivable [Domain] Receivable [Domain] Amounts related to share-based compensation (in shares) Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Effective income tax rate reconciliation, CARES act, percent Effective Income Tax Rate Reconciliation, CARES Act, Percent Effective Income Tax Rate Reconciliation, CARES Act, Percent Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Stock awards granted, weighted average (in usd per share) grant date fair value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Vacation Ownership Notes Receivable Securitizations Vacation Ownership Notes Receivable Securitizations [Member] Vacation Ownership Notes Receivable Securitizations [Member] Total Vacation ownership notes receivable, net of reserve Time Sharing Transactions, Maturities of Notes Receivable, Net Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Asset acquisition, consideration transferred Asset Acquisition, Consideration Transferred Total purchase price of asset acquisition. INVESTING ACTIVITIES Net Cash Provided by (Used in) Investing Activities [Abstract] Common stock, shares issued (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Issued Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward] Time Sharing Transactions, Allowance for Uncollectible Accounts [Roll Forward] Valuation Allowance by Deferred Tax Asset [Axis] Valuation Allowance by Deferred Tax Asset [Axis] Segment Reporting [Abstract] Segment Reporting [Abstract] Debt Instrument [Line Items] Debt Instrument [Line Items] Acquired Acquired [Member] Acquired [Member] Accounts receivable Contracts With Customers, Accounts Receivable The right to consideration that is unconditional from contracts with customers that is classified within accounts receivable TOTAL MVW SHAREHOLDERS' EQUITY Beginning balance Ending balance Stockholders' Equity Attributable to Parent Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Concentration Risk Type [Domain] Concentration Risk Type [Domain] TOTAL LIABILITIES AND EQUITY Liabilities and Equity Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Income taxes Income Tax Disclosure [Text Block] Fair Value Portion at Fair Value Measurement [Member] Reconciliation of Assets from Segment to Consolidated [Table] Reconciliation of Assets from Segment to Consolidated [Table] Other Operating Supplies and Inventories Operating Supplies and Inventories Restricted stock units Restricted Stock Units (RSUs) [Member] Total MVW Shareholders' Equity Parent [Member] Vacation ownership notes receivable, net (including $1,650 and $1,750 from VIEs, respectively) Financing Receivable, after Allowance for Credit Loss Financing Receivable, after Allowance for Credit Loss Financing Receivable, after Allowance for Credit Loss General and administrative General and Administrative Expense General and Administrative Expense Catastrophic Event [Domain] Catastrophic Event [Domain] Floor strike rate Derivative, Floor Interest Rate Shares excluded from the calculation of diluted earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 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 Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Increases related to tax positions taken during the current period Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Equity Component [Domain] Equity Component [Domain] 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] Payment of dividends Payments of Dividends Entity Address, Address Line One Entity Address, Address Line One Stock options Marriott Vacations Worldwide Corporation [Member] Marriott Vacations Worldwide Corporation 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. Property and equipment, net Property, Plant and Equipment, Net Revolving Corporate Credit Facility, net Revolving Corporate Credit Facility Revolving Corporate Credit Facility [Member] Revolving Corporate Credit Facility [Member] Interest expense Interest expense, debt Interest Income (Expense), Nonoperating, Net Term Loan Term Loan [Member] Term Loan [Member] Share-based compensation Share-based Payment Arrangement [Text Block] Interest Rate Contract Interest Rate Contract [Member] NET (LOSS) INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS Net (loss) income attributable to common shareholders Net Income (Loss) Attributable to Parent Entity Address, State or Province Entity Address, State or Province Net change in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Schedule of Variable Interest Entities [Table] Schedule of Variable Interest Entities [Table] Carrying amount of equity component, net of issuance costs Debt Instrument, Convertible, Carrying Amount of Equity Component Number of notes receivable pools outstanding Number of Consolidated Notes Receivable Pools Outstanding Number of Consolidated Notes Receivable Pools Outstanding Clean-up call Time Sharing Transactions, Clean-Up Of Warehouse Credit Facility Time Sharing Transactions, Clean-Up Of Warehouse Credit Facility London Interbank Offered Rate (LIBOR) London Interbank Offered Rate (LIBOR) [Member] Inventory Inventory Disclosure [Text Block] Increase in vacation ownership notes receivable reserve Increase in vacation ownership notes receivable reserve Financing Receivable, Credit Loss, Expense (Reversal) OTHER COMPREHENSIVE GAIN (LOSS), NET OF TAX Other Comprehensive Income (Loss), Net of Tax Work-in-progress Inventory, Work in Process, Gross Rental Rental [Member] Rental [Member] Principal receipts Cash Flows Between Transferee And Transferor Proceeds From Principal Receipts Cash Flows Between Transferee And Transferor Proceeds From Principal Receipts Time share, accrued costs Time Sharing, Estimated Cost To Complete Accrued The portion of the total estimated cost to complete phases of existing portfolio which is included within liabilities on the balance sheet. Class D notes Class D Notes [Member] Class D Notes Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest (LOSS) EARNINGS PER SHARE ATTRIBUTABLE TO COMMON SHAREHOLDERS Earnings Per Share [Abstract] Restructuring Restructuring Restructuring Charges San Francisco, California San Francisco California [Member] San Francisco California [Member] Restructuring, workforce reduction Restructuring, Workforce Reduction Restructuring, Workforce Reduction Finance leases Finance Lease, Liability Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] 2016 Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year Number of securities called by warrants (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Debt, gross 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. Entity Interactive Data Current Entity Interactive Data Current Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Non-cash transfer from property and equipment to inventory Transfer From Property And Equipment To Inventory Transfer From Property And Equipment To Inventory Trust Entity [Domain] Trust Entity [Domain] Trust Entity Advance deposits Advance deposits Contract With Customer, Liability, Advance Deposits Contract With Customer, Liability, Advance Deposits Cost reimbursements Cost Reimbursements [Member] Cost Reimbursements [Member] Financing Receivable, Allowance for Credit Losses, Repurchase Activity Financing Receivable, Allowance for Credit Losses, Repurchase Activity Financing Receivable, Allowance for Credit Losses, Repurchase Activity Litigation charges Gain (Loss) Related to Litigation Settlement Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code 2020 Financing Receivable, Year One, Originated, Current Fiscal Year Guarantor obligations, maximum exposure, due in fourth year Guarantor Obligations, Maximum Exposure, Undiscounted, Due In Fourth Year Guarantor Obligations, Maximum Exposure, Undiscounted, Due In Fourth Year Deferred Tax Asset [Domain] Deferred Tax Asset [Domain] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Proceeds from collection of notes receivable Proceeds from Collection of Notes Receivable Employee stock plan issuance (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Royalty fee Royalty Expense Number of vacation ownership brands Number of Brands Number of Brands Common Stock Common Stock [Member] Product and Service [Domain] Product and Service [Domain] Accounts and nontrade receivable Accounts and Nontrade Receivable [Table Text Block] Accounts and Nontrade Receivable Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Allowance, purchased with credit deterioration, increase Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Convertible notes Convertible Debt [Member] 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. Purchase of vacation ownership units for future transfer to inventory Purchase of vacation ownership units Purchase Of Vacation Ownership Units For Future Transfer To Inventory Purchase Of Vacation Ownership Units For Future Transfer To Inventory Geographic concentration risk Geographic Concentration Risk [Member] Share-based compensation plans APIC, Share-based Payment Arrangement, Recognition and Exercise Vacation ownership notes receivable Notes Receivable, Fair Value Disclosure Accounts receivable, net (including $12 and $13 from VIEs, respectively) Accounts Receivable, including VIE, after allowance for credit loss Accounts Receivable, including VIE, after allowance for credit loss Accounts Receivable, Including Variable Interest Entities, After Allowance for Credit Loss Accounts Receivable, Including Variable Interest Entities, After Allowance for Credit Loss 2020 Time-Sharing Transaction, Notes Receivable, Maturity, Remainder Of Fiscal Year Time-Sharing Transaction, Notes Receivable, Maturity, Remainder Of Fiscal Year Debt Secured Debt Secured Debt [Member] Class of Treasury Stock [Table] Class of Treasury Stock [Table] Sales revenue, net Revenue Benchmark [Member] Property owners associations Property Owners Associations [Member] Property Owners Associations [Member] Restatement [Domain] Revision of Prior Period [Domain] Debt, stated interest rate Debt Instrument, Interest Rate, Stated Percentage Expected timing of satisfaction (in years) Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Total vacation ownership notes receivable Total vacation ownership notes receivable Financing Receivable, before Allowance for Credit Loss Receivables from Contracts with Customers Contract with Customer, Receivable The total right to consideration that is unconditional from contracts with customers 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. Performance obligation satisfied in previous period Contract with Customer, Performance Obligation Satisfied in Previous Period Change in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect 2024 Time-Sharing Transaction, Notes Receivable, Maturity, Year Four Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] 2019 Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Shares for basic (loss) earnings per share (in shares) Weighted Average Number of Shares Outstanding, Basic Non-cash issuance of treasury stock for employee stock purchase plan Stock Issued Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate EXPENSES Costs and Expenses [Abstract] Risk-free rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Treasury stock, shares (in shares) Number of shares repurchased (in shares) Number of shares repurchased (in shares) Treasury Stock, Shares Foreign currency translation adjustments Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax 2017 Financing Receivables Past Due Fourth Year [Member] Financing Receivables Past Due Fourth Year [Member] Hyatt and Other Hyatt and Other [Member] Hyatt and Other [Member] Carrying Amount Reported Value Measurement [Member] Originated Originated [Member] Originated [Member] Revenue and receivables Revenue from Contract with Customer [Text Block] Interest paid, net of amounts capitalized Interest Paid, Excluding Capitalized Interest, Operating Activities Dividends payable Dividends Payable Note receivable (less than) Financing Receivable, before Allowance for Credit Loss, Noncurrent TOTAL EQUITY Beginning balance Ending balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Financing Receivable, Past Due [Line Items] Financing Receivable, Past Due [Line Items] Joint Venture Other Affiliates [Member] Write-offs Time Sharing Transactions, Allowance for Uncollectible Accounts, Deductions for Direct Write-offs Charged Against Allowance Total Revenues Revenues Revenues Ancillary revenues Ancillary Revenues [Member] Ancillary Revenues Vacation ownership products Time Share [Member] Benefit (provision) for income taxes Tax benefit (provision) Income Tax Expense (Benefit) Income taxes paid, net of refunds Income Taxes Paid, Net Cash, cash equivalents and restricted cash, beginning of period Cash, cash equivalents and restricted cash, end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Recoveries Time Sharing Transactions Direct Recoveries Charged Against Allowance Time Sharing Transactions Direct Recoveries Charged Against Allowance Scheduled future principal payments for debt Schedule of Maturities of Long-term Debt [Table Text Block] Title of Individual [Domain] Title of Individual [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Diluted (in usd per share) Diluted (loss) earnings per share (in usd per share) Earnings Per Share, Diluted Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Schedule of unrecognized tax benefits Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Reconciliation of assets from segments Reconciliation of Assets from Segment to Consolidated [Table Text Block] Legacy-ILG Legacy ILG [Member] Legacy ILG [Member] Debt balances, net of unamortized debt issuance costs Schedule of Debt [Table Text Block] Investments in and Advances to Affiliates Categorization [Domain] Investments in and Advances to Affiliates Categorization [Domain] Schedule of indefinite-lived intangible assets Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Corporate credit facility Corporate Credit Facility [Member] Corporate Credit Facility [Member] Decreases related to tax positions taken during a prior period Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Investments, All Other Investments [Abstract] Investments, All Other Investments [Abstract] 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] Contract Liabilities Contract with Customer, Liability Other assets Increase (Decrease) in Other Operating Assets Information technology hardware and software Information Systems and Technology [Member] Information Systems and Technology Beginning Balance Ending Balance Indefinite-lived Intangible Assets (Excluding Goodwill) Credit facility Line of Credit Facility, Maximum Borrowing Capacity Award Type Award Type [Axis] Future principal payments, net of reserves, and interest rates of vacation ownership notes receivable Schedule of Financing Receivables, Minimum Payments [Table Text Block] Dispositions, net Proceeds from Sale of Other Property, Plant, and Equipment Repayment of debt related to securitization transactions Repayments of debt Repayments of Secured Debt Lease not yet commenced, term of contract Lessee, Finance Lease, Lease Not yet Commenced, Term of Contract Amortization of debt issuance costs Debt issuance cost amortization Amortization of Debt Issuance Costs Maximum Maximum [Member] Security Exchange Name Security Exchange Name Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Securitized Securitized Vacation Ownership Notes Receivable Securitized Vacation Ownership Notes Receivable [Member] Securitized vacation ownership notes receivable Noncontrolling Interests Noncontrolling Interest [Member] Purchase commitment obligation due, 2021 Purchase Obligation, to be Paid, Year One Retained Earnings Retained Earnings [Member] Preferred stock, outstanding (in shares) Preferred Stock, Shares Outstanding Measurement Basis [Axis] Measurement Basis [Axis] Interest income and expense recognized as a result of our involvement with variable interest entities Interest Income and Interest Expense Disclosure [Table Text Block] Short-term Debt, Type [Domain] Short-term Debt, Type [Domain] 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] Effective income tax rate, percent Effective Income Tax Rate Reconciliation, Percent Exchange and other services revenues Service, Other [Member] Significant accounting policies and recent accounting standards Significant Accounting Policies [Text Block] Net cash, cash equivalents and restricted cash (used in) provided by investing activities Net Cash Provided by (Used in) Investing Activities Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Number of vacation ownership units acquired Number Of Vacation Ownership Units Acquired Number Of Vacation Ownership Units Acquired Award Type [Domain] Award Type [Domain] Corporate and other Corporate and Other Income Expense Corporate and other income (expense). Document Transition Report Document Transition Report 2017 Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year Notes receivable reserves Financing Receivable, Allowance for Credit Loss [Table Text Block] Thereafter Time-Sharing Transaction, Notes Receivable, Maturity, after Year Four Time-Sharing Transaction, Notes Receivable, Maturity, after Year Four 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. Financing Receivable [Axis] Financing Receivable [Axis] Financing Receivable [Axis] Cash surrender value of life insurance Cash Surrender Value of Life Insurance Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] 700 + FICO Score, Greater than 700 [Member] Revenue, Initial Application Period Cumulative Effect Transition [Table] Revenue, Initial Application Period Cumulative Effect Transition [Table] Treasury stock — at cost; 34,187,868 and 33,438,176 shares, respectively Treasury Stock, Value Revenue, Remaining Performance Obligation Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Class A notes Class A Notes [Member] Class A Notes Earnings per share Earnings Per Share [Text Block] Indemnified tax liability Indemnified Tax Liability [Member] Indemnified Tax Liability [Member] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Financial Instruments Financial Instruments Disclosure [Text Block] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Vacation ownership notes receivable Financing Receivables [Text Block] 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 Guarantor obligations, maximum exposure, due in second year Guarantor Obligations, Maximum Exposure, Undiscounted, Due In Second Year Guarantor Obligations, Maximum Exposure, Undiscounted, Due In Second Year Income Tax Contingency [Table] Income Tax Contingency [Table] New accounting pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract]