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[Abstract] Right to purchase percentage (up to) Sale Of Stock, Future Equity Offering, Right To Purchase, Percentage Sale Of Stock, Future Equity Offering, Right To Purchase, Percentage Change in fair value of Earn Out Liability Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Recently Issued Accounting Standards Accounting Standards Update and Change in Accounting Principle [Text Block] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Entity Shell Company Entity Shell Company Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Earn Out Liability Recapitalization Earn Out Shares [Member] Recapitalization Earn Out Shares Title Trading Arrangement, Individual Title Tranche three Litigation Settlement, Payment Tranche Three [Member] Litigation Settlement, Payment Tranche Three 2020 Québec Credit Facility 2020 Québec Credit Facility [Member] 2020 Québec Credit Facility Statement [Table] Statement [Table] Measurement Frequency [Domain] Measurement Frequency [Domain] License Agreement, Marriott International, Inc. and Global Hospitality Licensing S.À R.L" License Agreement, Marriott International, Inc. and Global Hospitality Licensing S.À R.L" [Member] License Agreement, Marriott International, Inc. and Global Hospitality Licensing S.À R.L" City Area Code City Area Code Current liabilities: Liabilities, Current [Abstract] 2023 Inducement Equity Incentive Plan Sonder Holdings Inc. 2023 Inducement Equity Incentive Plan [Member] Sonder Holdings Inc. 2023 Inducement Equity Incentive Plan Loss contingency, estimated accrual liability, related to tax matters Loss Contingency, Estimated Accrual Liability, Related To Tax Matters Loss Contingency, Estimated Accrual Liability, Related To Tax Matters Earn Out Liability Business Combination, Contingent Consideration, Liability Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activities Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Level 1 Fair Value, Inputs, Level 1 [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Total current assets Assets, Current Statement of Cash Flows [Abstract] Surety Bond Surety Bond [Member] Supplemental disclosures of non-cash investing and financing activities Noncash Investing and Financing Items [Abstract] Accrued liabilities Increase (Decrease) in Accrued Liabilities Delayed Draw Warrants Delayed Draw Warrant [Member] Delayed Draw Warrant Document Information [Line Items] Document Information [Line Items] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Long-term debt, net Long-Term Debt, Excluding Current Maturities Weighted-average grant-date fair value per share (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Subsequent Event Type [Axis] Subsequent Event Type [Axis] Income Taxes Income Tax Disclosure [Text Block] 2028 Lessee, Operating Lease, Liability, to be Paid, Year Four Earnings Per Share [Abstract] Earnings Per Share [Abstract] Schedule of Disaggregated Revenue Revenue from External Customers by Products and Services [Table Text Block] Stockholders’ deficit: Equity [Abstract] Accumulated deficit Retained Earnings (Accumulated Deficit) Public Warrants Warrant liability Warrant Liability Warrant Liability Number of tranches Sale Of Stock, Number Of Tranches Sale Of Stock, Number Of Tranches Class of Stock [Domain] Class of Stock [Domain] Revenues Revenue from Contract with Customer Benchmark [Member] 2021 Equity Incentive Plan Sonder Holdings Inc. 2021 Equity Incentive Plan [Member] Sonder Holdings Inc. 2021 Equity Incentive Plan General and administrative General and Administrative Expense Aggregate number of contingently issuable shares (in shares) Reverse Recapitalization, Contingent Consideration, Equity, Shares Reverse Recapitalization, Contingent Consideration, Equity, Shares Organization, Consolidation and Presentation of Financial Statements [Abstract] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equity Awards Adjustments Equity Awards Adjustments [Member] Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Total operating lease liabilities, net Operating Lease, Liability Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Underlying Securities Award Underlying Securities Amount Early termination fees Payment for Debt Extinguishment or Debt Prepayment Cost EFA Master Equipment Financing Agreement (EFA) [Member] Master Equipment Financing Agreement (EFA) Credit Facility [Axis] Credit Facility [Axis] Amendment Flag Amendment Flag Extensions License Agreement, Number Of Extensions License Agreement, Number Of Extensions Entity Registrant Name Entity Registrant Name Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Depreciation and amortization Depreciation, Depletion and Amortization Change in foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Fair Value as of Grant Date Award Grant Date Fair Value Customer Customer Concentration Risk [Member] Subsequent Events [Abstract] Number of shares issued (in shares) Sale of Stock, Number of Shares Issued in Transaction Less: unamortized deferred issuance costs Debt Issuance Costs, Net Debt Debt Disclosure [Text Block] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Aggregate principal amount Debt Instrument, Face Amount Entity Address, Postal Zip Code Entity Address, Postal Zip Code Litigation Settlement, Payment Tranches [Domain] Litigation Settlement, Payment Tranches [Domain] Litigation Settlement, Payment Tranches [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Schedule of Stock-based Compensation Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Restructuring Cost [Table] Restructuring Cost [Table] Restatement Determination Date: Restatement Determination Date [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Title of 12(b) Security Title of 12(b) Security Concentration Risk Type [Axis] Concentration Risk Type [Axis] Common stock Common Stock, Value, Issued Share-Based Payment Arrangement [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value SPAC Warrants SPAC Warrants [Member] SPAC Warrants Litigation Status [Axis] Litigation Status [Axis] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] ESPP Employee Stock [Member] Second Travel Agency Second Travel Agency [Member] Second Travel Agency Basic net income (loss) per common share (in dollars per share) Basic (in dollars per share) Earnings Per Share, Basic Accounts payable Increase (Decrease) in Accounts Payable Cash payments for operating leases Operating Lease, Payments Long-term deposits due from landlords Deposits Assets, Noncurrent Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Contractual term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Nature of Operation, Product Information, Concentration of Risk [Table] Nature of Operation, Product Information, Concentration of Risk [Table] Prepaid expenses Other Prepaid Expense, Current Special meeting required duration Shareholder Special Meeting Period, Maximum Shareholder Special Meeting Period, Maximum Accrued purchases of property and equipment Capital Expenditures Incurred but Not yet Paid Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Stock, Class of Stock [Table] Stock, Class of Stock [Table] Total current liabilities Liabilities, Current Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted Average Number of Shares Outstanding, Diluted [Abstract] Total assets Assets Vesting Tranche Five Share-Based Payment Arrangement, Tranche Five [Member] Share-Based Payment Arrangement, Tranche Five Amount outstanding under line of credit Long-Term Line of Credit Private Placement, Tranche Two Private Placement, Tranche Two [Member] Private Placement, Tranche Two Shares granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Other non-current liabilities Other Liabilities, Noncurrent August 14, 2027 through August 13, 2028 Cumulative Dividend Period Three [Member] Cumulative Dividend Period Three Cost of revenue (excluding depreciation and amortization) Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Commitments and contingencies (Note 11) Commitments and Contingencies Risk-free interest rate, minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Termination Date Trading Arrangement Termination Date Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Expected volatility, maximum (as percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Exercise price (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Market Capitalization Units Market Capitalization Units [Member] Market Capitalization Units 2026 Lessee, Operating Lease, Liability, to be Paid, Year Two Vesting Tranche Four Share-Based Payment Arrangement, Tranche Four [Member] Share-Based Payment Arrangement, Tranche Four Equity Incentive Plans and Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Entity Address, City or Town Entity Address, City or Town Equity offering period Sale Of Stock, Future Equity Offering, Right To Purchase, Period Sale Of Stock, Future Equity Offering, Right To Purchase, Period August 13, 2024 through August 13, 2025 Cumulative Dividend Period One [Member] Cumulative Dividend Period One Debt Instrument [Axis] Debt Instrument [Axis] Total stock-based compensation expense Share-Based Payment Arrangement, Expense Net income (loss) Net income (loss) Net loss Net Income (Loss) Attributable to Parent Trading Arrangement: Trading Arrangement [Axis] Issuance of common stock upon exercise of common stock warrants Stock Issued During Period, Value, Conversion of Convertible Securities Amortization of debt discounts Amortization of Debt Discount (Premium) Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Loss Contingencies [Table] Loss Contingencies [Table] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Entity File Number Entity File Number Revenue Revenue from Contract with Customer [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Entity Address, Address Line Three Entity Address, Address Line Three Warrant One Warrant One [Member] Warrant One Entity Address, Address Line Two Entity Address, Address Line Two Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Effects of foreign exchange on cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations Restructuring Plan [Domain] Restructuring Plan [Domain] Accrued other liabilities Other Accrued Liabilities, Current Name Forgone Recovery, Individual Name Remaining 2024 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Document Period End Date Document Period End Date Sale of Stock [Axis] Sale of Stock [Axis] August 14, 2025 through August 13, 2027 Cumulative Dividend Period Two [Member] Cumulative Dividend Period Two Other operating activities Other Noncash Income (Expense) Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Gross lease payments Lessee, Operating Lease, Liability, to be Paid Change in direct or indirect ownership interests termination threshold License Agreement, Termination Ownership Change, Percentage License Agreement, Termination Ownership Change, Percentage Insider Trading Arrangements [Line Items] Balance Sheet Details Supplemental Balance Sheet Disclosures [Text Block] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Three PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Four Lessee, Operating Lease, Liability, to be Paid, after Year Four Adjustment to Compensation: Adjustment to Compensation [Axis] Accounts Receivable Accounts Receivable [Member] Number of surety providers Number Of Surety Providers Number Of Surety Providers Document Transition Report Document Transition Report Document Quarterly Report Document Quarterly Report Private Placement, Tranche one Private Placement, Tranche One [Member] Private Placement, Tranche One Litigation Case [Domain] Litigation Case [Domain] Customer [Domain] Customer [Domain] Cumulative translation adjustment Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Current Reporting Status Entity Current Reporting Status Accumulated Deficit Retained Earnings [Member] Amortization of debt issuance costs Amortization of Debt Issuance Costs Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Litigation Status [Domain] Litigation Status [Domain] Contingent payment Debt Instrument, Covenant Waiver, Contingent Payment Debt Instrument, Covenant Waiver, Contingent Payment Related Party [Axis] Related and Nonrelated Parties [Axis] Weighted average basic common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Document Information [Table] Document Information [Table] Outstanding RSUs Restricted Stock Units (RSUs) [Member] Increase (Decrease) in Stockholders' Equity (Deficit) Increase (Decrease) in Stockholders' Equity [Roll Forward] Accrued legal expenses Accrued Professional Fees, Current Executive Category: Executive Category [Axis] Name Awards Close in Time to MNPI Disclosures, Individual Name Settlement amount Litigation Settlement, Amount Awarded from Other Party Entity Filer Category Entity Filer Category Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Letter of Credit Letter of Credit [Member] Company Selected Measure Name Company Selected Measure Name Private Placement Private Placement [Member]