Receivables from partial sale of equity interest in SiEngine (refer to Note 9) Nontrade Receivables, Current Less: accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Accounts payable, accrued expenses and other liabilities Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Short-term and Long-term investments Investment, Policy [Policy Text Block] Accounts payable Accounts Payable [Member] Schedule of fair value of available-for-sale debt investments Debt Securities, Available-for-Sale [Table Text Block] Accrued expenses and other current liabilities Business Combination, Recognized Liability Assumed, Liability, Current Award Timing Predetermined Award Timing Predetermined [Flag] Indefinite-Lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis] Entity File Number Entity File Number Additional paid-in capital Additional Paid-in Capital [Member] Share of losses from subsidiaries Income (Loss) from Subsidiaries, before Tax Tabular List, Table Tabular List [Table Text Block] Summary of significant accounting policies Summary Of Significant Accounting Policies [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Recently adopted accounting pronouncements and New accounting pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Consideration transferred, liabilities incurred Business Combination, Consideration Transferred, Liabilities Incurred Research and development expenses additional deduction Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount Software license revenues License [Member] Condensed Cash Flow Statement [Table] Condensed Cash Flow Statement [Table] 1-2 Years Other Commitment, to be Paid, Year Two Adjustment to Compensation: Adjustment to Compensation [Axis] Related party balances and transactions Related Party Transactions Disclosure [Text Block] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Convertible Notes due 2028 Convertible Debt Due 2028 [Member] Convertible Debt Due 2028 Exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Exercisable Intrinsic value of exercisable award under share-based payment arrangement. Excludes share and unit options. Contract liabilities Revenue information Revenue from Contract with Customer [Text Block] Dongjun Group Dongjun Group [Member] Dongjun Group Stock, Class of Stock [Table] Stock, Class of Stock [Table] Foreign currency translation adjustments Accounts Receivable Foreign Currency Translation Adjustment Accounts Receivable Foreign Currency Translation Adjustment Income Tax Disclosure [Table] Income Tax Disclosure [Table] Disclosure of information about Income Tax. Schedule of reconciliation of cash and restricted cash Schedule of Cash and Cash Equivalents [Table Text Block] Accrued Liabilities and Other Liabilities [Abstract] Accrued Liabilities and Other Liabilities [Abstract] Total current income tax benefit (expense) Current Income Tax Expense (Benefit) Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentration risk percentage Concentration Risk, Percentage Principles of consolidation Consolidation, Policy [Policy Text Block] Share-based compensation Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Receivables from partial sale of equity interest in SiEngine Receivables From Partial Sale Of Equity Interest In Subsidiary Receivables From Partial Sale Of Equity Interest In Subsidiary Over 5 Years Contractual Obligation, to be Paid, after Year Five Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Cash and restricted cash Cash and Cash Equivalents, Policy [Policy Text Block] Weighted average discount rate: Leases, Weighted Average Discount Rate [Abstract] Leases, Weighted Average Discount Rate Grantee Status [Domain] Grantee Status [Domain] Percent Effective Income Tax Rate Reconciliation, Percent [Abstract] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Impairment of property and equipment and intangible assets Asset Impairment Charges Total deficit attributable to ordinary shareholders of ECARX Holdings Inc. Equity, Attributable to Parent Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Schedule of property and equipment, net Property, Plant and Equipment [Table Text Block] Ordinary shares, shares authorized (in shares) Common Stock, Shares Authorized Issuance of ordinary shares upon follow-on public offering (in shares) Stock Issued During Period, Shares, New Issues LIABILITIES Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Fair value change of available-for-sale debt investment (Note 9) Fair Value Change Of Long Term Investment Fair Value Change Of Long Term Investment Issuance of ordinary shares through conversion of convertible notes Issuance Of Ordinary Shares Through Conversion Of Convertible Notes Issuance Of Ordinary Shares Through Conversion Of Convertible Notes Maximum Maximum [Member] Exercisable (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Intangible assets, estimated useful life Finite-Lived Intangible Asset, Useful Life Cash paid to acquire noncontrolling interests Cash Paid To Acquire Non-Controlling Interests Cash Paid To Acquire Non-Controlling Interests Long-term borrowings Long-Term Debt, Unclassified [Abstract] Intangible assets, net Finite-Lived Intangible Assets, Net Additional period Software Licensing Agreement, Additional Period Software Licensing Agreement, Additional Period Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Risks and concentration Concentration Risk Disclosure [Text Block] Directors Or Officers Directors Or Officers [Member] Directors Or Officers Unrealized loss Gain (Loss) on Disposition of Stock in Subsidiary or Equity Method Investee Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Debt Instrument, Redemption, Period One Debt Instrument, Redemption, Period One [Member] Schedule of significant related parties and their relationships Schedule of Related Party, Relationships With the Entity [Table Text Block] The tabular disclosure of related party, relationships with the entity. Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Loss before income taxes Income / (loss) before income taxes Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Schedule of income taxes paid Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Short-term borrowings Short-Term Debt [Abstract] Noncontrolling interest Payments to Noncontrolling Interests Prepaid Expense and Other Assets, Current [Abstract] Prepaid Expense and Other Assets, Current [Abstract] Summary of compensation expense recognized for RSUs Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Operating lease liabilities, current Operating lease liabilities, current Operating Lease, Liability, Current Accrued expenses and other current liabilities Government Assistance, Liability, Current Notes payable Other Notes Payable, Current Document Fiscal Period Focus Document Fiscal Period Focus Award Timing Method Award Timing Method [Text Block] Award Type [Axis] Award Type [Axis] Contract liabilities, non-current Contract with Customer, Liability, Noncurrent Parent company Parent Company [Member] Sale of Stock, Vesting [Axis] Sale of Stock, Vesting [Axis] Sale of Stock, Vesting Share-based compensation Share-Based Payment Arrangement [Policy Text Block] Investment, Name [Domain] Investment, Name [Domain] Trading Symbol Trading Symbol Nonvested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Business combinations Business Combination [Policy Text Block] Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Issuance of Class A ordinary shares under 2022 Share Incentive Plan (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Accrued expenses and other current liabilities Accrued expenses and other current liabilities Accrued Liabilities and Other Liabilities Entity Address, City or Town Entity Address, City or Town Short-Term Debt, Type [Domain] Short-Term Debt, Type [Domain] Intangible assets, net Intangible Assets Disclosure [Text Block] Effect of foreign currency exchange rate changes on cash and restricted cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Deferred tax assets, net of valuation allowance Deferred Tax Assets, Net of Valuation Allowance JICA JICA [Member] JICA Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount RSU Restricted Stock Units (RSUs) [Member] Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Warranty and Rights Oustanding, Increase (Decrease) [Roll Forward] Warranty Liabilities [Roll Forward] Warranty Liabilities Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Amount of cash consideration Business Combination, Consideration Transferred Impairment loss recognized Equity Method Investment, Other-than-Temporary Impairment Entity Emerging Growth Company Entity Emerging Growth Company Operating expense Operating Expense [Member] Outstanding at the beginning (in shares) Outstanding at the end (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Parent only financial information Condensed Financial Information of Parent Company Only Disclosure [Text Block] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Issuance costs Debt Issuance Costs, Net 2-3 Years Other Commitment, to be Paid, Year Three Debt instrument, convertible mandatory conversion Debt Instrument, Convertible Mandatory Conversion Daily Dollar Volume Threshold Debt Instrument, Convertible Mandatory Conversion Daily Dollar Volume Threshold Restricted cash Restricted cash Restricted Cash and Cash Equivalent Zhejiang Huanfu Zhejiang Huanfu Technology Co., Ltd. [Member] Represents the information pertaining to Zhejiang Huanfu Technology Co., Ltd. Ordinary shares, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Allowance for credit losses Accounts Receivable, Credit Loss Expense (Reversal) Accretion of interest expenses Accretion Expense, Including Asset Retirement Obligations Accounts receivable, net Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Summary of disaggregation of revenue Disaggregation of Revenue [Table Text Block] Net unrealized foreign exchange losses/(gains) Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Increase during the year Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Income tax payable Accrued Income Taxes, Current 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] Schedule of finite-lived intangible assets, future amortization expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Intangible assets Intangible Assets, Finite-Lived, Policy [Policy Text Block] Prepayments and other current assets, net Prepayments and other current assets, net Prepayments and other assets Prepaid Expense and Other Assets, Current Number of RSUs Number of PSUs Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Income tax benefit (expense) Income tax benefit (expense) Income tax benefit (expense) Income tax expenses Income Tax Expense (Benefit) Class B Ordinary Shares Common Class B [Member] Supplier D, a third party Supplier D, A Third Party [Member] This member stands for Supplier D, a third party. Convertible notes Convertible Notes Payable [Member] Fair value measurement value, beginning balance Fair value measurement value, ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Document Entity Information Document Information [Line Items] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Share Incentive 2022 Plan Share Incentive 2022 Plan [Member] Share Incentive 2022 Plan Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Property and equipment Property, Plant and Equipment, Gross Interest income on loans due from related parties Interest Income On Loans [Member] Represents the information pertaining to interest income on loans . Condensed statements of cash flows Condensed Cash Flow Statements, Captions [Line Items] Other Income and Expenses [Abstract] Other Income and Expenses [Abstract] Reduction of carrying amount of right-of-use assets Operating Lease, Right-of-Use Asset, Periodic Reduction Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Geely Auto Geely Automotive Group Co., LTD [Member] Geely Automotive Group Co., LTD Proceeds from employee stock option exercises Proceeds from Stock Options Exercised Payments for acquisition, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Mainland PRC Income Tax Paid, Federal, after Refund Received All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Debt instrument, redemption price, percentage Debt Instrument, Redemption Price, Percentage Intangible assets Deferred Tax Assets, Goodwill and Intangible Assets Commitments and contingencies Commitments and Contingencies, Policy [Policy Text Block] Other income - related parties Noninterest Income, Other Operating Income Outstanding at the beginning (in shares) Outstanding at the end (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number ECARX Private Warrants ECARX Private Warrants [Member] This member stands for ECARX Private Warrants. Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Convertible notes payable, non-current Convertible Notes Payable, Noncurrent Product warranties Standard Product Warranty, Policy [Policy Text Block] Total unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Net cash used in operating activities Net cash used in operating activities Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Repayment of short-term borrowings Repayments of Short-Term Debt Long-term investments, net Total long-term investments, net Long-Term Investments Others, net Other Nonoperating Income (Expense), Others Net Other Nonoperating Income (Expense), Others Net Debt instrument term Debt Instrument, Term Effective Income Tax Rate Reconciliation [Table] Effective Income Tax Rate Reconciliation [Table] Property and equipment, estimated useful life Property, Plant and Equipment, Useful Life Subsequent events Subsequent Event [Member] Summary of fair value of options granted that are estimated using the binomial model Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Long-term investments Schedule of Equity Method Investments [Line Items] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Total depreciation expenses Depreciation 2034 Operating Loss Carryforwards Expiring In Year Nine Operating Loss Carryforwards Expiring In Year Nine Derivative liability, measurement input Derivative Liability, Measurement Input Equity Components [Axis] Equity Components [Axis] Entity Ex Transition Period Entity Ex Transition Period Exercisable, intrinsic other than option value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Exercised Summary of significant accounting policies Property and equipment, net Property, Plant and Equipment [Line Items] Convertible Debt Convertible Debt [Member] Government Assistance, Liability, Current, Statement of Financial Position [Extensible Enumeration] Government Assistance, Liability, Current, Statement of Financial Position [Extensible Enumeration] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Less than one year Other Commitment, to be Paid, Year One Sales of goods revenues Products Sales of goods revenues Product [Member] Number of reportable segments Number of Reportable Segments Number of shares issued to acquire equity method investment Shares Issued During Period, Shares, Equity Method Investments Acquired Represents the number of shares issued to acquire equity method investment. Xingji Meizu Xingji Meizu [Member] Xingji Meizu Deferred tax assets: Components of Deferred Tax Assets [Abstract] 2021 Option Plan Share Option Plan, 2021 [Member] Represents the information pertaining to 2021 share option plan. Entity Address, Country Entity Address, Country Effect of preferential tax rate Effective Income Tax Rate Reconciliation, Effect Of Preferential Tax Rate, Percent Effective Income Tax Rate Reconciliation, Effect Of Preferential Tax Rate, Percent Schedule of future minimum capital commitments Contractual Obligation, Fiscal Year Maturity [Table Text Block] Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Euro Euro Member Countries, Euro Total current liabilities Liabilities, Current Short-term borrowings Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Short-Term Borrowings Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Short-Term Borrowings Inventories Deferred Tax Assets, Inventory Individual: Individual [Axis] Proceeds from divestiture of interest Proceeds from Divestiture of Interest in Consolidated Subsidiaries Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Document Annual Report Document Annual Report Research and development expenses Research and Development Expense [Member] Proceeds from conditional government grants Proceeds From Conditional Government Grants Proceeds From Conditional Government Grants Customer C, a third party Customer C, A Third Party [Member] Customer C, A Third Party Liabilities, Total Liabilities, Total [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Entity Interactive Data Current Entity Interactive Data Current Share Incentive Plan, 2022 Share Incentive Plan, 2022 [Member] Share Incentive Plan, 2022 Distribution and licensing rights Distribution Rights [Member] Tech Lent Dream Smart Tech Lent Dream Smart Convertible Loan [Member] Tech Lent Dream Smart Convertible Loan Government grants Government Assistance, Income, Increase (Decrease) Gain on equity method investment derecognized Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Gain On Equity Method Investment Derecognized Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Gain On Equity Method Investment Derecognized Software licensing agreement period Software Licensing Agreement Period Software Licensing Agreement Period Revenue recognition and Contract liabilities Revenue from Contract with Customer [Policy Text Block] Exercisable, intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Granted (new RSUs) (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, New Grants in Period The number of new grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). 3-5 Years Other Commitment, to be Paid, Year Four Amortization period Finite-Lived Intangible Assets, Remaining Amortization Period Schedule of future minimum purchase commitments Long-Term Purchase Commitment [Table Text Block] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Gain on sale of forward contract Gain (Loss) on Sale of Derivatives Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Class of Warrant or Right [Table] Class of Warrant or Right [Table] Ownership [Domain] Ownership [Domain] Net loss attributable to noncontrolling interests Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest Debt assignment and offset with related parties Debt Assignment And Offset With Related Parties [Member] Debt Assignment And Offset With Related Parties Convertible notes payable, current Convertible Notes Payable, Current Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Other non-current assets Prepayments and other current assets Other non-current assets – related parties Other Assets, Noncurrent Customer [Domain] Customer [Domain] Entity Central Index Key Entity Central Index Key Share of losses in excess of investments in subsidiaries Share of Losses In Excess Of Investments In Subsidiaries Amount of share of losses in excess of investments in subsidiaries and VIEs, classified as current. PEO Name PEO Name Revenues Revenues Conversion price (in USD per share) Debt Instrument, Convertible, Conversion Price Comprehensive loss attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Non-Redeemable Noncontrolling Interest Amount of Comprehensive Income (Loss) attributable to non-redeemable noncontrolling interest. Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] 1-2 Years Purchase Obligation, to be Paid, Year Two Supplemental information: Supplemental Cash Flow Elements [Abstract] Increase (decrease) in due from related parties Increase (Decrease) in Due from Related Parties, Current Payable to acquire interest in subsidiary Payments to Acquire Interest in Subsidiaries and Affiliates Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Notes receivable Increase (Decrease) in Notes Receivable, Current Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Tranche one Share-Based Payment Arrangement, Tranche One [Member] Contract liabilities, current Contract with Customer, Liability, Current Exercise price of warrants, (in USD per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Carrying amount of the Company's controlling shareholder Advances to Affiliate Product warranties Current portion of warranty included in "Accrued expenses and other current liabilities" Product Warranty Accrual, Current Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Class of Stock [Domain] Class of Stock [Domain] Total unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Statutory tax rate Tax calculated at the statutory tax rate: Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Subsequent Event Type [Axis] Subsequent Event Type [Axis] Unrealized investment loss of equity method investments Deferred Tax Assets, Equity Method Investments RMB China, Yuan Renminbi 2027 Operating Loss Carryforwards Expiring In Year Two Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws expiring in year 2027 to 2031. Nonrelated Party Nonrelated Party [Member] Convertible Debt [Roll Forward] Convertible Debt [Roll Forward] Convertible Debt Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three Vesting [Domain] Vesting [Domain] Intangible assets Finite-Lived Intangible Assets, Gross first HK$2 million of assessable profits earned first HK$2 million of assessable profits earned Scenario One of First HK$2 Million of Profits Earned [Member] Represents the scenario of "first HK$2 millions of assessable profits earned". Selling and marketing expenses Selling and Marketing Expenses [Policy Text Block] Disclosure of accounting policy for selling and marketing expenses. 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] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Long-Term Investments [Abstract] Long-Term Investments [Abstract] Research and development expenses Research and development expenses Research and Development Expense Accumulated other comprehensive loss AOCI Attributable to Parent [Member] Less: Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Accrued expenses and other current liabilities and income tax payable Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Issuance of Class A ordinary shares for convertible notes conversion (Note 18) (in shares) Convertible notes payable (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Work-in-process Inventory, Work in Process, Gross Ownership [Axis] Ownership [Axis] Fair Value as of Grant Date Award Grant Date Fair Value Other non-current liabilities – third parties1 Government Assistance, Liability, Noncurrent Schedule of Other Nonoperating (expenses) income Schedule of Other Nonoperating Income (Expense) [Table Text Block] Total Total Operating Loss Carryforwards Exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested and Expected to Vest, Exercisable, Number The number of fully vested and expected to vest equity-based payment instruments, excluding stock (or unit) options, that validly exist and are exercisable as of the balance sheet date. Employee social benefits expense Employee Benefits and Share-Based Compensation Factoring accounts receivable Continuing Involvement with Transferred Financial Assets, Principal Amount Outstanding Volatility rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate Share-based compensation arrangement by share-based payment award, shares to be repurchased Share-Based Compensation Arrangement by Share-Based Payment Award, Shares to be Repurchased Next Year Aggregate number of shares granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Title and Position [Domain] Title and Position [Domain] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Related party balances and transactions Related Party Transaction [Line Items] Replaced (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Replacement in Period, Weighted Average Grant Date Fair Value The weighted average fair value at grant date for nonvested equity-based awards replaced during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Schedule of warrants are remeasured utilizing key assumptions Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Debt instrument, mandatory conversion price (in USD per share) Debt Instrument, Mandatory Conversion Price Trigger Debt Instrument, Mandatory Conversion Price Trigger 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Settlements Standard Product Warranty Accrual, Decrease for Payments Condensed Financial Information Disclosure [Abstract] Condensed Financial Information Disclosure [Abstract] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Vesting contractual term Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Germany GERMANY 2028 Operating Loss Carryforwards Expiring In Year Three Operating Loss Carryforwards Expiring In Year Three Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Condensed statements of comprehensive loss Condensed Statement of Income Captions [Line Items] Derivative asset fair value Derivative Asset, Fair Value of Collateral Total impairment loss Impairment of Long-Lived Assets to be Disposed of Payment to acquire business Payment to acquire business Payments to Acquire Businesses, Gross Non-PEO NEO Non-PEO NEO [Member] Schedule of prepayments and other current assets Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Payable for issuance cost of convertible notes payable Notes Issued Goodwill, Impairment Loss, Statement of Income or Comprehensive Income [Extensible Enumeration] Goodwill, Impairment Loss, Statement of Income or Comprehensive Income [Extensible Enumeration] Capital commitments Purchase Obligation, Fiscal Year Maturity [Abstract] Operating lease right-of-use assets Deferred Tax Liabilities, Leasing Arrangements Minimum interest rate Cash Flows Between Transferor And Transferee, Minimum Interest Rate Cash Flows Between Transferor And Transferee, Minimum Interest Rate Operating lease liabilities Deferred Tax Assets, Operating Lease Liabilities Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from operating lease liabilities. Sale of Stock [Axis] Sale of Stock [Axis] Warrants and Rights Note Disclosure [Abstract] Warrants and Rights Note Disclosure [Abstract] Trademark Other Intangible Assets [Member] Hubei Dongjun Automotive Electronics Technology Co., Ltd. Hubei Dongjun Automotive Electronics Technology Co., Ltd. [Member] Represents information pertaining to Hubei Dongjun Automotive Electronics Technology Co., Ltd. Award Type [Domain] Award Type [Domain] Tranche Four Share-Based Payment Arrangement, Tranche Four [Member] Share-Based Payment Arrangement, Tranche Four 2026 Lessee, Operating Lease, Liability, to be Paid, Year One Noncontrolling interests Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Leasehold improvements Leasehold Improvements [Member] Advertising costs Advertising Expense Noncash interest income Other Noncash Income (Expense) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Expected dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Revenue recognized from contract liabilities Contract with Customer, Liability, Revenue Recognized Excess of consideration over the carrying amount of the equity investment Equity Method Investment, Difference Between Carrying Amount and Consideration Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of consideration. Chinese mainland Mainland PRC CHINA Schedule of movement of the allowance for doubtful accounts of accounts receivables Accounts Receivable, Allowance for Credit Loss [Table Text Block] Contact Personnel Email Address Contact Personnel Email Address MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Effect of different tax jurisdiction Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Automotive merchandise and other products Automotive Merchandise and Other Products [Member] Represents information pertaining to automotive merchandise and other products. Outstanding at the beginning (in USD per share) Outstanding at the end (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Nonvested, Weighted Average Exercise Price Other non-current assets - third parties Other Assets Disclosure [Text Block] Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Document Shell Company Report Document Shell Company Report Notes payable Increase (Decrease) in Notes Payable, Current Revenues Revenues [Abstract] Provision for prepayments and other current assets Prepaid Expense and Other Assets, Current, Provision Amount of provision for prepaid expense and other current assets. 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Sale of Stock, Vesting [Domain] Sale of Stock, Vesting [Domain] Sale of Stock, Vesting [Domain] Controlling interest, percent Business Combination, Achieved in Stages, Preacquisition and Acquired Equity Interests in Acquiree, Percentage Inventories Total Inventory, Net Developed technology Developed Technology Rights [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] Company Selected Measure Name Company Selected Measure Name Waiver of loan receivables from a related party under common control Waiver Of Loan Receivables From A Related Party Under Common Control Waiver Of Loan Receivables From A Related Party Under Common Control Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Exercise Price [Abstract] N/a. 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Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Warrants Warrant [Member] Contract cost assets Capitalized Contract Cost, Net Operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Document Financial Statement Error Correction [Flag] Document Financial Statement Error Correction [Flag] SEK Sweden, Kronor Equity method investments, net Equity Method Investments Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Future minimum lease payments Purchase commitments Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Related Party Related Party [Member] Asset Pledged as Collateral Asset Pledged as Collateral [Member] Income taxes Income Tax Disclosure [Line Items] Income Tax Disclosure [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Change in fair value of warrant liabilities Loss (gain) due to change in fair value Change in fair value of warrant liabilities Fair Value Adjustment of Warrants Schedule of income tax expense recognized in the consolidated statements of comprehensive loss Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Allowance for doubtful accounts Deferred Tax Asset, Tax Deferred Expense, Reserve and Accrual, Accounts Receivable, Allowance for Credit Loss Plan Name [Axis] Plan Name [Axis] Property and equipment Property, Plant and Equipment, Policy [Policy Text Block] Document Information [Table] Document Information [Table] PEO PEO [Member] Geely Investment Geely Investment Holding Ltd. [Member] Represents the information pertaining to Geely Investment Holding Ltd. Equity interest sold (as a percent) Equity Method Investment, Ownership Percentage, Sold The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting sold. 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Schedule of purchase price to the fair value of the assets acquired and liabilities assumed Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Long-term investments, net Investment [Text Block] Re-designated ordinary shares from class B to Class A (in shares) Shares Re-Designated During Period, Ordinary Shares From Class B To Class A, In Shares Shares Re-Designated During Period, Ordinary Shares From Class B To Class A, In Shares US United States of America, Dollars Follow-On Public Offering Follow-On Public Offering [Member] Follow-On Public Offering Lessee Disclosure [Abstract] Lessee Disclosure [Abstract] Deferred tax liability accrued for dividend withholding taxes Deferred Tax Liability Accrued for Dividend Withholding Taxes Represents the deferred tax liability accrued for dividend withholding taxes. Warrant liabilities Class of Warrant or Right [Line Items] Schedule of contract with customer, contract asset, contract liability, and receivable Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Number of contract types Revenue From Contract With Customer, Number Of Contract Types Revenue From Contract With Customer, Number Of Contract Types Deferred tax liabilities Deferred tax liability Net deferred tax liabilities Deferred Tax Liabilities, Net General and administrative expenses General and Administrative Expense Investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Borrowings from related parties Proceeds from (Repayments of) Related Party Debt Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Supplier [Axis] Supplier [Axis] Related Party Transactions [Abstract] Related Party Transactions [Abstract] ECARX Warrants ECARX Warrants [Member] This member stands for ECARX Warrants. 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Convertible Notes due 2025 Convertible Debt Due 2025 [Member] Convertible Debt Due 2025 Schedule of estimated useful life of property and equipment Schedule of Property, Plant And Equipment, Estimated Useful Life [Table Text Block] The tabular disclosure of useful life of property and equipment. Auditor Name Auditor Name Concentration Risk [Table] Concentration Risk [Table] SoC Core Modules SoC Core Modules [Member] Represents information pertaining to SoC Core Modules. Inventories Business Combination, Recognized Asset Acquired, Inventory, Current Number of days after the completion of the Merger for commencement of exercise of warrants Number Of Days After The Completion Of The Merger For Commencement Of Exercise Of Warrants Number of days after the completion of the merger for commencement of exercise of warrants. Warrant term Warrants and Rights Outstanding, Term Schedule of net operating loss carryforwards by the PRC companies will expire during the period from year 2022 to year 2031, if unused by the following year-end Summary of Operating Loss Carryforwards [Table Text Block] Accounts receivable - third parties, net Business Combination, Recognized Asset Acquired, Receivable, Current Other Performance Measure, Amount Other Performance Measure, Amount Borrowings and interest payable on borrowing Borrowings And Interest Payable On Borrowing [Member] Borrowings And Interest Payable On Borrowing Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Schedule of restrictions on cash and cash equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Contract with Customer, Liability [Abstract] Contract with Customer, Liability [Abstract] Payment for issuance costs of convertible notes Payments of Debt Issuance Costs Short-term investments Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss, Current Exercisable (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Exercisable, Weighted Average Exercise Price Per share or unit weighted-average exercise price of exercisable award under share-based payment arrangement. 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Weighted-average period Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period ACO Tech Sdn. Bhd. ACO Tech Sdn. Bhd. [Member] ACO Tech Sdn. Bhd. Less: valuation allowance Beginning balance Ending balance Deferred Tax Assets, Valuation Allowance Equity [Abstract] Equity [Abstract] Exercisable (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Grant Date Fair Value Weighted average grant-date fair value of options exercisable. Outstanding at the beginning (in USD per share) Outstanding at the end (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Exercise Price Per share or unit weighted-average exercise price of nonvested award under share-based payment arrangement. Excludes share and unit options. Total Purchase Obligation Segment reporting Segment Reporting Disclosure [Text Block] 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] Forfeited (in USD per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Forfeited In Period, Weighted Average Exercise Price Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Forfeited In Period, Weighted Average Exercise Price Trademarks Trademarks [Member] CHANGES IN SHAREHOLDERS' DEFICIT Increase (Decrease) in Stockholders' Equity [Roll Forward] Intangible assets, net Intangible assets, net Finite-Lived Intangible Assets [Line Items] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Share repurchase program, authorized (in shares) Share Repurchase Program, Authorized, Number of Shares Change in reporting currency Change In Reporting Currency [Policy Text Block] Change In Reporting Currency Total amortization expense Amortization of Intangible Assets Leases Lessee, Leases [Policy Text Block] Selling, general and administrative expenses Selling, general and administrative expenses Selling, General and Administrative Expense Volatility Measurement Input, Price Volatility [Member] Deferred tax assets Deferred Income Tax Assets, Net Repurchase of ordinary shares (Note 19) Repurchase of ordinary shares Stock Repurchased During Period, Value Change in fair value of derivative financial liabilities Change in fair value of derivative financial liabilities Increase (Decrease) in Derivative Liabilities Depreciation and amortization Depreciation, Depletion and Amortization Movement in Standard Product Warranty Accrual [Roll Forward] Movement in Standard Product Warranty Accrual [Roll Forward] Connectivity service Connectivity Service [Member] Represents information pertaining to connectivity service. 2029 Operating Loss Carryforwards Expiring In Year Four Operating Loss Carryforwards Expiring In Year Four Consideration received Sale of Stock, Consideration Received on Transaction Finished goods Inventory, Finished Goods, Gross Accounts receivable and current expected credit losses Accounts Receivable [Policy Text Block] Tax rate differential Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Arrangement Duration Trading Arrangement Duration Volatility, maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Accounts receivable Accounts Receivable, before Allowance for Credit Loss, Current Issuance price (in USD per share) Share Price Share based compensation Share-Based Payment Arrangement [Text Block] Cash Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent ASSETS Assets [Abstract] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument [Axis] Debt Instrument [Axis] Forfeited (in USD per share) Weighted average forfeited (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Fair value measurement Fair Value Disclosures [Text Block] SHAREHOLDERS’ DEFICIT Equity, Attributable to Parent [Abstract] Acquisition of software license rights Acquisitions Of Software License Rights [Member] Acquisitions Of Software License Rights Proceeds from short-term borrowings Proceeds from Short-Term Debt Vesting percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Interest rate (in percent) Debt Instrument, Interest Rate, Stated Percentage Investment, Name [Axis] Investment, Name [Axis] Operating lease liabilities, non-current Operating Lease, Liability, Noncurrent Entity Voluntary Filers Entity Voluntary Filers Effect of preferential tax rate Effective Income Tax Rate Reconciliation, Preferential Tax, Percent Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations attributable to preferential tax rate. Rental of office space Rental Of Office Space [Member] Represents the information pertaining to rental of office space Americas Americas [Member] Intangible Assets, Net (Excluding Goodwill) [Abstract] Intangible Assets, Net (Excluding Goodwill) [Abstract] Reversal Accounts Receivable, Allowance for Credit Loss, Reversal Accounts Receivable, Allowance for Credit Loss, Reversal Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Granted (replacement RSUs) (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Replacement Grants in Period, Weighted Average Exercise Price Per share or unit weighted-average exercise price of nonvested award that are replacement granted under share-based payment arrangement. Excludes share and unit options. Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Prepayments and other current assets and other non-current assets Increase (Decrease) In Prepayments Of Other Current Assets It represents the amount changes in prepayments and other current assets. Debt Instrument, Redemption, Period Two Debt Instrument, Redemption, Period Two [Member] High and new technology enterprise certificate term High And New Technology Enterprise Certificate Term Represents the high and new technology enterprise certificate term. Weighted remaining contractual years Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Weighted Average Remaining Contractual Term [Abstract] N/a. After the completion of a qualified IPO Vesting After completion of Qualified Initial Public Offering [Member] Represents the information pertaining to vesting after the completion of a qualified IPO. Equity securities Equity Securities without Readily Determinable Fair Value, Amount Outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Payments for equity securities Payments to Acquire Equity Securities, FV-NI Exercised (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, exercised in Period, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, exercised in Period, Weighted Average Grant Date Fair Value Schedule of borrowings Schedule of Debt [Table Text Block] Repayments of convertible notes Repayments of Convertible Debt Machinery and electronic equipment Machinery and Equipment [Member] Weighted average exercise price (in USD per share) Weighted average granted (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Axis] Foreign currency translation adjustments Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Foreign Currency Translation Adjustments Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Foreign Currency Translation Adjustments Service Services Service revenues Service [Member] Schedule of intangible assets, net Schedule of Finite-Lived Intangible Assets [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Issuance of Class A ordinary shares under 2022 Share Incentive Plan (Note 19) Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Accounts receivable - third parties, net Accounts Receivable [Member] Borrowings from related parties Borrowings From Related Parties [Member] Represents the information pertaining to borrowings from related parties. All Currencies [Domain] All Currencies [Domain] Name Trading Arrangement, Individual Name Short-Term Debt [Table] Short-Term Debt [Table] Value added taxes Value Added Taxes [Policy Text Block] Disclosure of accounting policy for value added taxes. Cash paid for repurchase of ordinary shares Payments for Repurchase of Initial Public Offering Combination of a subsidiary under common control (Note 3.a) Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Warrants measurement input Warrants and Rights Outstanding, Measurement Input Aggregate principal amount Debt Instrument, Face Amount Share-based payment arrangement, activity Share-Based Payment Arrangement, Activity [Table Text Block] Plant, property and equipment Deferred Tax Assets, Property, Plant and Equipment Designated Shares Designated Shares [Member] Represents the information pertaining to designated shares. Asset acquisition, interest percentage Asset Acquisition, Percentage of Voting Interests Acquired Asset Acquisition, Percentage of Voting Interests Acquired Name Awards Close in Time to MNPI Disclosures, Individual Name Accrued expenses and other liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Outstanding at the beginning (in USD per share) Outstanding at the end (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 Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Condensed Statement of Comprehensive Income [Table] Condensed Statement of Comprehensive Income [Table] Other commitment Total Other Commitment Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Disclosure of information about summary of significant accounting policies. 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Number of warrants issued (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Non-current assets Assets, Noncurrent [Abstract] Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Loss per share Earnings Per Share, Policy [Policy Text Block] Number of awards modified (in shares) Share-Based Payment Arrangement, Plan Modification, Number of Awards Affected Number of awards affected by plan modifications under share-based payment arrangement. Payments for available-for-sale debt investments Payments to Acquire Debt Securities, Available-for-Sale Schedule of amortization expenses on intangible assets allocated to expense items Finite-Lived Intangible Assets Amortization Expense [Table Text Block] Number of installments Number Of Installments Number Of Installments Investments In And Advances To Affiliates Table Investments in and Advances to Affiliates [Table] Value of shares issued to acquire equity method investment Shares Issued During Period, Value, Equity Method Investments Acquired Represents the value of shares issued to acquire equity method investment. 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Ordinary Shares Common Stock, Value, Issued Schedule of convertible debt Convertible Debt [Table Text Block] Share-Based Payment Arrangement, Employee Share-Based Payment Arrangement, Employee [Member] Distributed earnings Distributed Earnings Repayment of borrowings from related parties Repayment Of Borrowings From Related Parties [Member] Represents the information pertaining to repayment of borrowings from related parties. Title and Position [Axis] Title and Position [Axis] Cash received from partial sale of equity interest in SiEngine Cash Receivables From Partial Sale Of Equity Interest In Subsidiary Cash Receivables From Partial Sale Of Equity Interest In Subsidiary Commitments and contingencies Commitments and Contingencies Replaced (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Replaced in Period The number of replacement made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Forfeited (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value Amount of shares authorized Stockholders Equity, Value, Authorized Shares Represents the information pertaining to designated shares. Intangible assets, net Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived 3-5 Years Contractual Obligation, to be Paid, Year Four and Five Business Combination [Axis] Business Combination [Axis] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Available For Sale Investments Available For Sale Investments [Member] Available For Sale Investments Cash collections of loans and advances to related parties Cash Collections Of Loans And Advances To Related Parties [Member] Cash Collections Of Loans And Advances To Related Parties Noncontrolling interests Noncontrolling Interest [Member] Inventory purchases Inventory, Additions Inventory, Additions Prior year return-to-provision true up Effective Income Tax Rate Reconciliation, Prior Year Return To Provision True Up, Amount Effective Income Tax Rate Reconciliation, Prior Year Return To Provision True Up, Amount Equity interest (as a percent) Equity Method Investment, Ownership Percentage Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Risks and Concentration Concentration Risk [Line Items] Short-Term Debt [Line Items] Short-Term Debt [Line Items] Prior year return-to-provision true up Effective Income Tax Rate Reconciliation, Prior Year Return To Provision True Up, Percent Effective Income Tax Rate Reconciliation, Prior Year Return To Provision True Up, Percent Geely Group, Related Party Geely Group, Related Party [Member] Represents the information pertaining to related party, Geely Group. Additions Standard Product Warranty Accrual, Period Increase (Decrease) Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Forfeitures and Expirations (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Accrued costs of the Merger Accrued Costs Of Merger, Current The amount of accrued costs of the merger, classified as current. Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Scenario [Axis] Scenario [Axis] Cash payment not soon after purchase of intangible assets Cash Payment Not Soon After Purchase Of Intangible Assets Cash Payment Not Soon After Purchase Of Intangible Assets Schedule of condensed statements of comprehensive loss Condensed Statement of Comprehensive Income [Table Text Block] Service period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period All Individuals All Individuals [Member] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Fair Value Disclosures [Abstract] Purchase of property and equipment, and intangible assets Payments to Acquire Property, Plant, and Equipment Point in time Transferred at Point in Time [Member] Name Forgone Recovery, Individual Name Suzhou Photon-Matrix Suzhou Photon Matrix [Member] This member stands for Suzhou Photon-Matrix. 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] Warrant liabilities – private warrants Private Warrants [Member] Private Warrants Reconciliation of cash and restricted cash: Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation [Abstract] Percent of total outstanding shares Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage of Outstanding Stock Maximum Supplier B, a third party Supplier B, A Third Party [Member] Represents the information pertaining to Supplier B, a third party . Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value [Abstract] Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Carrying value of existing investment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Carrying Value Of Existing Investment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Carrying Value Of Existing Investment Geographical [Axis] Geographical [Axis] Leases Lessee, Lease, Description [Line Items] Restricted Cash For Litigation Restricted Cash For Litigation [Member] Restricted Cash For Litigation Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Foreign currency exchange losses, net Foreign currency exchange gains (losses) Gain (Loss), Foreign Currency Transaction, before Tax Interest rate Related Party Transaction, Rate Forecast Forecast [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] 2019 RSU Plan Restricted Stock Units, 2019 Plan [Member] Represents the information pertaining to 2019 RSU Plan. Title of 12(b) Security Title of 12(b) Security Exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Other services Service, Other [Member] Government grants Government Assistance, Award Amount Loss per ordinary share Earnings Per Share [Abstract] 2030 Lessee, Operating Lease, Liability, to be Paid, Year Five Measurement Input, Bond Yields Measurement Input, Bond Yields [Member] Measurement Input, Bond Yields Non-operating (expenses) income Nonoperating Income (Expense) Ownership interest Subsidiary, Ownership Percentage, Parent Cash paid for costs of the Merger Payments of Merger Related Costs, Financing Activities Schedule of potential dilutive instruments Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Less than one year Contractual Obligation, to be Paid, Year One Weighted remaining contractual years Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Weighted Average Remaining Contractual Terms [Abstract] N/a. 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Adoption Date Trading Arrangement Adoption Date Fair value change of available-for-sale debt investment, net of nil income taxes Fair Value Change Of Long Term Investment In Convertible Loan, Net Of Income Taxes Fair Value Change Of Long Term Investment In Convertible Loan, Net Of Income Taxes Cash collection of loans to related parties and advances to related parties Proceeds from Collection of Long-Term Loans to Related Parties Customer [Axis] Customer [Axis] Expected term Measurement Input, Expected Term [Member] Loss from operations Operating Income (Loss) Accumulated deficit Accumulated deficit Retained Earnings (Accumulated Deficit) Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Granted To Directors Or Officers Share-Based Compensation Arrangement by Share-Based Payment Award, Granted To Directors Or Officers Convertible notes Convertible notes payable, beginning balance Convertible notes payable, ending balance Convertible Notes Payable HKD Hong Kong, Dollars Proceeds from issuance of convertible notes Proceeds from Issuance of Convertible Preferred Stock 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] Over time Transferred over Time [Member] Hubei ECARX Hubei ECARX [Member] Represents the information pertaining to Hubei ECARX. Cash paid for acquisition of short-term investments Payments to Acquire Held-to-Maturity Securities Incremental cost Share-Based Payment Arrangement, Plan Modification, Incremental Cost Class of Stock [Axis] Class of Stock [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Amounts due to related parties Increase (Decrease) in Due to Related Parties Minimum interest rate increased Cash Flows Between Transferor And Transferee, Minimum Interest Rate Increased Cash Flows Between Transferor And Transferee, Minimum Interest Rate Increased Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Accrued product warranties Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Warranty Reserves Other non-operating (expenses) income, net Other non-operating (expenses) income, net Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Deferred income tax benefit Total deferred income tax benefit Deferred Income Tax Expense (Benefit) Adjustments to reconcile net loss to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Non-deductible expenses and non-taxable income Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent Revenue Benchmark Revenue Benchmark [Member] Risk-free rate of return (%) Measurement Input, Risk Free Interest Rate [Member] Less: impairment Property, Plant, And Equipment, Impairment Provision Property, Plant, And Equipment, Impairment Provision Others Foreign Tax Jurisdiction, Other [Member] Consideration paid Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Contract liabilities, current and non-current Contract with Customer, Liability Schedule of depreciation expenses of property and equipment Depreciation Expenses on Property and Equipment [Table Text Block] Tabular disclosure of depreciation expenses on property and equipment allocated to expense items. Schedule of reconciliation of the Level 3 fair value measurement of available-for-sale debt investments Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] All Adjustments to Compensation All Adjustments to Compensation [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Amendment Flag Amendment Flag Share price (in USD per share) Sale of Stock, Price Per Share Fair value of assets acquired and liabilities assumed excluding cash Fair Value of Assets Acquired Number of Shares Authorized (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Termination Date Trading Arrangement Termination Date Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Tranche three Share-Based Payment Arrangement, Tranche Three [Member] Operating leases Operating Lease, Weighted Average Discount Rate, Percent Lotus Technology Inc Lotus Technology Inc [Member] Represents the information pertaining Lotus Technology Inc. Amounts due from related parties Increase (Decrease) in Due from Related Parties Weighted average number of ordinary shares, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Write-down of inventories Inventory write-down Inventory Write-down Warrant liabilities, non-current Liability at the beginning Liability at the end Warrants and Rights Outstanding Schedule of basic and diluted net loss per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Related Party Transaction [Domain] Related Party Transaction [Domain] Exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Subsequent Events [Abstract] Subsequent Events [Abstract] Segment Reporting [Abstract] Segment Reporting [Abstract] Cost of revenue Cost of Revenue Supplier [Domain] Supplier [Domain] Debt Disclosure [Abstract] Scenario [Domain] Scenario [Domain] Foreign currency translation adjustments Valuation Allowance, Deferred Tax Asset, Decrease For Reversal OF Net Operating Loss Carryforwards Due To Restructuring, Amount Amount of decrease in the valuation allowance for a specified deferred tax asset, resulting from reversal of operating loss carryforwards due to the restructuring. Provisions Increase (Decrease) In Provisions Increase (Decrease) In Provisions Write-off Accounts Receivable, Allowance for Credit Loss, Writeoff Commitments to purchase equity securities Other Commitment, Fiscal Year Maturity [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Consolidated Entities [Axis] Consolidated Entities [Axis] Share based compensation Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Ordinary shares, par value per share (in USD per share) Common Stock, Par or Stated Value Per Share Cancelled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Cancelled in Period Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Cancelled in Period Cash and restricted cash Cash and Cash Equivalents Disclosure [Text Block] Aggregate number of share options granted (in shares) Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Use of estimates Use of Estimates, Policy [Policy Text Block] Address Type [Domain] Address Type [Domain] Technical and logistical services Technical and Logistical Services [Member] Technical and Logistical Services Subsequent Events Subsequent Events [Text Block] Foreign currency translation adjustments, net of nil income taxes Foreign currency translation adjustment, net of nil income taxes Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Forfeited (in USD per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Notes receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Notes Receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Notes Receivable Prior year return-to-provision true up Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent Series B Redeemable Convertible Preferred Series B Redeemable Convertible Preferred [Member] Represents information pertaining to Series B Redeemable Convertible Preferred. Re-designated ordinary shares from class B to Class A (Note 19) Shares Re-Designated During Period, Value From Class B To Class A Shares Re-Designated During Period, Value From Class B To Class A Raw materials Inventory, Raw Materials, Gross Cash payment not soon after a business acquisition of Hubei Dongjun Cash Payment Not Soon After A Business Acquisition Of Hubei Dongjun Cash Payment Not Soon After A Business Acquisition Of Hubei Dongjun Total liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Currency [Axis] Currency [Axis] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Equity interest in joint venture Payments to Acquire Interest in Joint Venture Annual Software Sales Annual Software Sales [Member] Annual Software Sales Issuance of Class A ordinary shares upon follow-on public offering (Note 19) Secured new equity amount Stock Issued During Period, Value, New Issues Geely Group Geely Group [Member] Represents information pertaining to Geely Group. Counterparty Name [Axis] Counterparty Name [Axis] Deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] Debt instrument trading days Debt Instrument, Convertible, Threshold Trading Days Proceeds from redemption of short-term investments Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Long-term investments, net – available-for-sale debt investments Debt Securities, Available-for-Sale Net loss Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Shenzhen U Chance Technology Co., Ltd. Shenzhen U Chance Technology Co., Ltd. [Member] Shenzhen U Chance Technology Co., Ltd. 2035 Operating Loss Carryforwards Expiring In Year Ten Operating Loss Carryforwards Expiring In Year Ten Automotive computing Platform – Design and development service Automotive Computing Platform Design And Development Service [Member] Represents information pertaining to automotive computing Platform - Design and development service.