Fair value change of available-for-sale debt investment (Note 7) Fair Value Change Of Long Term Investment Fair Value Change Of Long Term Investment Weighted average number of ordinary shares used in computing loss per ordinary share Weighted Average Number of Shares Outstanding, Diluted [Abstract] Outstanding (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted-Average Remaining Contractual Term Schedule of Other Assets, Noncurrent Schedule of Other Assets, Noncurrent [Table Text Block] Short-Term Debt, Type [Axis] Short-Term Debt, Type [Axis] Subsequent Event Subsequent Event [Member] Document Fiscal Year Focus Document Fiscal Year Focus Percentage of redeemable noncontrolling interest per annum Noncontrolling Interest, Percentage Of Redeemable Noncontrolling Interest Per Annum Noncontrolling Interest, Percentage Of Redeemable Noncontrolling Interest Per Annum Financial Instrument [Axis] Financial Instrument [Axis] Number of RSUs Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Customer [Axis] Customer [Axis] Segment Reporting [Abstract] Others Others Cost Net Others Cost Net Ordinary shares Common Stock, Value, Issued Interest expense on borrowings Interest Expense, Operating and Nonoperating Salaries and benefits payables Employee-related Liabilities, Current Trademark Trademarks [Member] Over time Transferred over Time [Member] Available-for-sale debt investments Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Inventory write-down Inventory Write-down Balance at the beginning of the year/period Balance at the end of the year/period Accounts Receivable, Allowance for Credit Loss Schedule of prepayments and other current assets Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Notes receivable Financing Receivables [Text Block] Long-Term Investments [Abstract] Repayments of borrowings from related parties Repayments of Related Party Debt Conversion price (in USD per share) Debt Instrument, Convertible, Conversion Price Proceeds from disposal of property and equipment, and intangible assets Proceeds from Sale of Productive Assets Amendment Flag Amendment Flag ECARX Private Warrants ECARX Private Warrants [Member] This member stands for ECARX Private Warrants. 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Proceeds from conditional government grants Proceeds From Conditional Government Grants Proceeds From Conditional Government Grants Less: impairment Property, Plant, And Equipment, Impairment Provision Property, Plant, And Equipment, Impairment Provision Other comprehensive loss: Other Comprehensive Income (Loss), Net of Tax [Abstract] Rental Of Office Space Rental Of Office Space [Member] Represents the information pertaining to rental of office space Hubei ECARX Hubei ECARX [Member] Represents the information pertaining to Hubei ECARX. 1-2 Years Investment Obligation, To Be Paid, Year Two Investment Obligation, To Be Paid, Year Two Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Warrants and Rights Note Disclosure [Abstract] Total non-current liabilities Liabilities, Noncurrent Related party balances and transactions Related Party Transactions Disclosure [Text Block] Schedule of reconciliation of cash and restricted cash Schedule of Cash and Cash Equivalents [Table Text Block] Foreign currency translation adjustment Standard Product Warranty Accrual, Foreign Currency Translation Gain (Loss) SiEngine Technology Co., Ltd SiEngine Technology Co., Ltd [Member] Represents information pertaining to SiEngine Technology Co., Ltd. Property, Plant, and Equipment [Abstract] Distribution and licensing rights Licensing Agreements [Member] 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 Comprehensive loss attributable to redeemable noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Redeemable Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Attributable to Redeemable Noncontrolling Interest 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 Ordinary shares, par value per share (in USD per share) Common Stock, Par or Stated Value Per Share  Assets Assets, Fair Value Disclosure [Abstract] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Procurement Support Funds Procurement Support Funds [Member] Procurement Support Funds Cash and Cash Equivalents [Abstract] Non-current liabilities Liabilities, Noncurrent [Abstract] Intangible assets, net Intangible Asset, Excluding Goodwill, after Accumulated Amortization 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 Reversal Accounts Receivable, Allowance for Credit Loss, Reversal Accounts Receivable, Allowance for Credit Loss, Reversal Basic (in shares) Weighted average number of ordinary shares – basic (in shares) Weighted Average Number of Shares Outstanding, Basic Schedule of related party transactions Schedule of Related Party Transactions [Table Text Block] Long-term investments, net Long-term investments, net Long-Term Investments Schedule of share-based payment arrangement activity Share-Based Payment Arrangement, Activity [Table Text Block] Right-of-use assets obtained in exchange for lease obligations Long-Term Debt and Lease Obligation, Current [Abstract] Number of reportable segments Number of Reportable Segments Total current liabilities Liabilities, Current Warrant liabilities – private warrants Private Warrants [Member] Private Warrants Short-Term Debt, Type [Domain] Short-Term Debt, Type [Domain] Concentration Risk [Table] Concentration Risk [Table] Entity Address, City or Town Entity Address, City or Town Aggregate number of shares granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Share based compensation Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Software Software, Internally Developed and Purchased [Member] Supplier A, a third party Supplier A, A Third Party [Member] This member stands for Supplier A, a third party. Receivables [Abstract] Accounts receivable, net Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Statement of Financial Position [Abstract] Debt instrument, mandatory conversion price trigger Debt Instrument, Mandatory Conversion Price Trigger Debt Instrument, Mandatory Conversion Price Trigger Basis of presentation Basis of Accounting, Policy [Policy Text Block] Sales of goods revenues Sales of goods revenues Product [Member] Class of Stock [Axis] Class of Stock [Axis] Intangible assets, net Intangible Asset, Finite-Lived, after Accumulated Amortization Net loss available to ECARX Holdings Inc. ordinary shareholders Numerator for basic and diluted net loss per share calculation Net Income (Loss) Available to Common Stockholders, Basic Total Revenues Revenue from Contract with Customer Benchmark [Member] Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Less: accumulated amortization Intangible Asset, Finite-Lived, Accumulated Amortization Cash paid for costs of the Merger Payments of Merger Related Costs, Financing Activities Total line of credit Line of Credit Facility, Maximum Borrowing Capacity Long-term bank borrowings due within one year Less: long-term borrowings due within one year Long-Term Debt, Current Maturities Revenue benchmark Revenue Benchmark [Member] Software license revenues Software license revenues License [Member] U.S. UNITED STATES Subsequent Event Type [Axis] Subsequent Event Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Notes receivable Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Exercised (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercised In Period Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercised In Period Treasury shares (25,900,751 and 30,771,872 shares held as of December 31, 2025 and June 30, 2026, respectively) Treasury Stock, Value Recently adopted accounting pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Schedule of single reportable segment Segment Reporting [Table Text Block] Noncontrolling interests Noncontrolling Interest [Member] Accretion of interest expense Amortization of Debt Issuance Costs Impairment loss Impairment of Long-Lived Assets to be Disposed of Unsecured borrowing. Unsecured Debt [Member] Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Axis] Redeemable non-controlling interests Noncontrolling Interest Disclosure [Text Block] Debt Instrument, Redemption, Period Two Debt Instrument, Redemption, Period Two [Member] Long-term debt Long-term borrowings Total long-term borrowings (including current portion) Long-Term Debt Short-Term Debt [Abstract] Interest rate (as a percent) Related Party Transaction, Rate 2-3 Years Purchase Obligation, to be Paid, Year Three Property and equipment, net Property, Plant, and Equipment [Text Block] Document Period End Date Document Period End Date Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate principal amount Debt Instrument, Face Amount Ordinary shares and treasury shares Equity [Text Block] Debt instrument, term Debt Instrument, Term Share Incentive 2022 Plan Share Incentive 2022 Plan [Member] Share Incentive 2022 Plan Tech Lent Dream Smart Convertible Loan Tech Lent Dream Smart Convertible Loan [Member] Tech Lent Dream Smart Convertible Loan Schedule of future minimum purchase commitments Long-Term Purchase Commitment [Table Text Block] Lessee Disclosure [Abstract] Proceeds from redeemable non-controlling interests Proceeds from Noncontrolling Interests Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Customer A, a third party Customer A, A Third Party [Member] Customer A, A Third Party Leases Lessee, Lease, Description [Line Items] Sweden SWEDEN Exercised (in USD per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Nonvested Options Exercised, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Nonvested Options Exercised, Weighted Average Grant Date Fair Value Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Class B Ordinary Shares Common Class B [Member] Operating lease liabilities, current Operating Lease, Liability, Current Cash and restricted cash Cash and Cash Equivalents [Line Items] Schedule of changes in product warranties Schedule of Product Warranty Liability [Table Text Block] Schedule of movement of the allowance for doubtful accounts receivables Accounts Receivable, Allowance for Credit Loss [Table Text Block] Schedule of property and equipment, net Property, Plant, and Equipment [Table Text Block] Loss per share Earnings Per Share [Text Block] Settlements Standard Product Warranty Accrual, Decrease for Payments Loss per ordinary share Earnings Per Share [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus 2-3 Years Investment Obligation, To Be Paid, Year Three Investment Obligation, To Be Paid, Year Three Government assistance, award amount Government Assistance, Award Amount 3-5 Years Purchase Obligation, to be Paid, Year Four and Five Redeemable Noncontrolling Interest [Table] Redeemable Noncontrolling Interest [Table] Less than one year Purchase Obligation, to be Paid, Year One Total liabilities Liabilities Geographical [Domain] Geographical [Domain] Purchase of property and equipment, and intangible assets Payments to Acquire Property, Plant, and Equipment 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. Less: impairment Intangible Assets, Impaired, Accumulated Impairment Loss Intangible Assets, Impaired, Accumulated Impairment Loss Total unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Income tax payable Accrued Income Taxes, Current Interest expense on loans Interest Expense On Loans [Member] Interest Expense On Loans Others, net Other Nonoperating Income (Expense), Others Net Other Nonoperating Income (Expense), Others Net 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. Schedule of restrictions on cash and cash equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Income Tax Disclosure [Abstract] Fair value change of available-for-sale debt investment, net of nil income taxes OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Risks and Concentration Concentration Risk [Line Items] Long-term borrowings Long-term borrowings Long-Term Debt, Gross Related Party Transactions [Abstract] Operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Amounts due from related parties, net Other Receivables, Net, Current 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 Warrants Warrant [Member] Diluted (in shares) Weighted average number of ordinary shares – diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Cash collection of loans and advances to related parties Proceeds from Collection of Long-Term Loans to Related Parties Related party balances and transactions Related Party Transaction [Line Items] Credit Loss [Abstract] Proceeds from Lines of Credit Proceeds from Lines of Credit 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. Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Short-term borrowings Total short-term borrowings Short-Term Debt 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. Excludes share and unit options. 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. Gross profit Gross Profit Advance From Related Parties Advance From Related Parties [Member] Advance From Related Parties Revenue from Contract with Customer [Abstract] 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] Supplier D, a third party Supplier D, A Third Party [Member] Supplier D, A Third Party Operating cash flows from operating leases Operating Lease, Payments Hubei Qiguang Technology Co., Ltd. Hubei Qiguang Technology Co., Ltd. [Member] Hubei Qiguang Technology Co., Ltd. Loans and interest receivable Loans And Interest Receivable [Member] Loans And Interest Receivable Treasury Shares Treasury Stock, Common [Member] Share-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Schedules of concentration of customers and suppliers Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Redeemable Noncontrolling Interest [Line Items] Redeemable Noncontrolling Interest [Line Items] Collateral Held [Domain] Collateral Held [Domain] Minimum interest rate (as a percent) Cash Flows Between Transferor And Transferee, Minimum Interest Rate Cash Flows Between Transferor And Transferee, Minimum Interest Rate 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 Net loss Net loss Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Customer B, a third party Customer B, A Third Party [Member] This member stands for Customer B, a third party. Warrant liabilities Class of Warrant or Right [Line Items] Redeemable noncontrolling interests Redeemable noncontrolling interest, beginning balance Redeemable noncontrolling interest, ending balance Redeemable Noncontrolling Interest, Equity, Carrying Amount Borrowings and interest payable on borrowing Borrowings And Interest Payable On Borrowing [Member] Borrowings And Interest Payable On Borrowing Total depreciation expenses Depreciation Plan Name [Domain] Plan Name [Domain] Antidilutive Securities [Axis] Antidilutive Securities [Axis] 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, Options, Outstanding, Weighted Average Exercise Price 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. Provision for prepayments and other current assets Prepaid Expense and Other Assets, Current, Provision Amount of provision for prepaid expense and other current assets. Debt instrument, period of interest bearing loans Debt Instrument, Period Of Interest Bearing Loans Debt Instrument, Period Of Interest Bearing Loans Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Concentration Risk Type [Domain] Concentration Risk Type [Domain] Cash paid for amounts included in the measurement of lease liabilities Operating Lease, Liability [Abstract] Zhejiang Huanfu Zhejiang Huanfu Technology Co., Ltd. [Member] Represents the information pertaining to Zhejiang Huanfu Technology Co., Ltd. Schedule of basic and diluted net loss per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Segment reporting Segment Reporting [Text Block] Aggregate consideration Equity Method Investment, Quoted Market Value Year ending June 30, 2030 Long-Term Debt, Maturity, Year Four ECARX (Zhejiang) Technology Co., Ltd ECARX (Zhejiang) Technology Co., Ltd [Member] ECARX (Zhejiang) Technology Co., Ltd Balance at the beginning of the year/period Balance at the end of the year/period Standard Product Warranty Accrual Schedule of disaggregation of revenue Disaggregation of Revenue [Table Text Block] Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Schedule of amortization expenses on intangible assets Intangible Asset, Finite-Lived, Amortization Expense [Table 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 Location, Statement of Income, Balance [Axis] Location, Statement of Income, Balance [Axis] 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. Restricted cash Restricted cash Restricted Cash and Cash Equivalent Total shareholders’ deficit Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Short-term investments Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss, Current Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Nonrelated Party Nonrelated Party [Member] Forfeited (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value Convertible debt, fair value Convertible Debt, Fair Value Disclosures Exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Other Income and Expenses [Abstract] Ordinary shares, shares authorized (in shares) Common Stock, Shares Authorized Additions Standard Product Warranty Accrual, Period Increase (Decrease) Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Number of shares issued in transaction (in shares) Sale of Stock, Number of Shares Issued in Transaction Schedule of future minimum investment commitments Long-Term Investment Commitment [Table Text Block] Long-Term Investment Commitment Investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Related Party Transaction [Axis] Related Party Transaction [Axis] Long-term investments Schedule of Equity Method Investments [Line Items] Segment Reporting [Line Items] Segment Reporting [Line Items] Share repurchase program, authorized, amount Share Repurchase Program, Authorized, Amount Interest income on loans Interest Income On Loans [Member] Represents the information pertaining to interest income on loans . Hangzhou Fuyang Zeji Qushi Equity investment Fund L.P. Hangzhou Fuyang Zeji Qushi Equity investment Fund L.P. [Member] Hangzhou Fuyang Zeji Qushi Equity investment Fund L.P. Segments [Domain] Segments [Domain] Total balances of cash, restricted cash and short-term investments Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Loans to related parties Loans To Related Parties [Member] Represents the information pertaining to loans to related parties. Proceeds from divestiture of interest in consolidated subsidiaries Proceeds from Divestiture of Interest in Consolidated Subsidiaries Convertible notes payable Debt Disclosure [Text Block] Total Contractual Obligation Restricted Cash and Cash Equivalents [Axis] Restricted Cash and Cash Equivalents [Axis] Schedule of future minimum capital commitments Contractual Obligation, Fiscal Year Maturity [Table Text Block] Convertible Notes due 2028 Convertible Debt Due 2028 [Member] Convertible Debt Due 2028 Less: capitalization of debt issuance costs Debt Issuance Costs, Net Debt assignment and offset with related parties Debt Assignment And Offset With Related Parties [Member] Debt Assignment And Offset With Related Parties Equity method investments, net Equity Method Investments Restricted Cash For Litigation Restricted Cash For Litigation [Member] Restricted Cash For Litigation 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 Equity Component [Domain] Equity Component [Domain] Measurement Input Type [Domain] Measurement Input Type [Domain] Secured borrowings Secured Debt [Member] Gain on derivatives Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings Prepayments to suppliers Prepaid Supplies 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 Consideration received Sale of Stock, Consideration Received on Transaction Accounts receivable Accounts Receivable, before Allowance for Credit Loss, Current Thereafter Long-Term Debt, Maturity, after Year Five Schedule of other non-operating income (expenses), net Schedule of Other Nonoperating Income (Expense) [Table Text Block] Contract with Customer, Liability [Abstract] Euro Euro Member Countries, Euro Cash paid for acquisition of equity method investments Payments to Acquire Equity Method Investments Counterparty Name [Domain] Counterparty Name [Domain] Interest rate Debt Instrument, Interest Rate, Stated Percentage Total deficit attributable to ordinary shareholders of ECARX Holdings Inc. Equity, Attributable to Parent Prepayments and other current assets, net Other Current Assets [Text Block] Nonoperating income (expense) Nonoperating Income (Expense) Borrowings from related parties Borrowings From Related Parties [Member] Represents the information pertaining to borrowings from related parties. ASSETS Assets [Abstract] Aggregate arrangement fee Debt Instrument, Fee Amount Accounting Policies [Abstract] Risk-free interest rates Risk-free rate of return (as a percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Over 5 Years Purchase Obligation, to be Paid, after Year Five Cash paid for follow-on public offering cost Payments of Stock Issuance Costs Outstanding at the beginning (in shares) Outstanding at the end (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Less: Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Warrant liabilities – public warrants Public Warrants [Member] Public Warrants 3-5 Years Investment Obligation, To Be Paid, Year Four and Five Investment Obligation, To Be Paid, Year Four and Five Performance Shares Performance Shares [Member] Share repurchase program, authorized (in shares) Share Repurchase Program, Authorized, Number of Shares Prepayments and other current assets, net Prepayments and other current assets, net Prepaid Expense and Other Assets, Current Selling, general and administrative expenses (including related parties amounts of US$692 and US$696 for the periods ended June 30, 2025 and 2026, respectively) Selling, general and administrative expenses Selling, General and Administrative Expense Installment settlement Convertible Stock, Installment Settlement Convertible Stock, Installment Settlement Patents Patents [Member] Borrowings from related parties Proceeds from (Repayments of) Related Party Debt Business Combination [Domain] Business Combination [Domain] Others, net Other Operating Income (Expense), Miscellaneous, Net Other Operating Income (Expense), Miscellaneous, Net Commitments and contingencies Commitments and Contingencies Disclosure [Text Block] Expected dividend yield Measurement Input, Expected Dividend Rate [Member] Anti-dilutive securities (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount RSUs Restricted Stock Units (RSUs) [Member] Schedule of potential dilutive instruments Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Convertible Debt [Roll Forward] Convertible Debt [Roll Forward] Convertible Debt Central Index Key Entity Central Index Key Amount capitalized as debt issuance cost Debt Issuance Costs, Noncurrent, Net Less: accumulated depreciation Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization RMB China, Yuan Renminbi Business Combination [Axis] Business Combination [Axis] Equity [Abstract] Net cash used in operating activities Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Other Jurisdictions Other Jurisdictions [Member] Other Jurisdictions Change in fair value of derivative liabilities Increase (Decrease) in Derivative Liabilities Accounts Receivable - Related Parties, Net Accounts Receivable [Member] 3-5 Years Contractual Obligation, to be Paid, Year Four and Five Results of operations: Income Statement [Abstract] Ownership [Axis] Ownership [Axis] Convertible notes payable, current Current portion Convertible Notes Payable, Current Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Investment, Name [Axis] Investment, Name [Axis] Schedule of intangible assets, net Intangible Asset, Finite-Lived [Table Text Block] Schedule 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] US United States of America, Dollars Number of options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Debt instrument, basis points per annum Debt Instrument, Basis Spread on Variable Rate Redeemable noncontrolling interest, remittance amount Redeemable Noncontrolling Interest, Remittance Amount Redeemable Noncontrolling Interest, Remittance Amount Debt Instrument, Redemption, Period One Debt Instrument, Redemption, Period One [Member] Accumulated other comprehensive loss AOCI Attributable to Parent [Member] Convertible Notes Convertible Debt Securities [Member] Subsequent event Subsequent Events [Text Block] Volatility Measurement Input, Price Volatility [Member] ECARX Public Warrants ECARX Public Warrants [Member] This member stands for ECARX Public Warrants. Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Weighted-average period (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Supplier [Domain] Supplier [Domain] Weighted Average Fair value at grant date Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Warranty Liability [Roll Forward] Warranty Liability [Roll Forward] Warranty Liability Intangible assets, net Intangible Asset [Text Block] Total non-current assets Assets, Noncurrent Statement [Line Items] Statement [Line Items] Reportable segment Reportable Segment [Member] Reportable Segment Total assets Assets Weighted remaining contractual years Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Weighted Average Remaining Contractual Term [Abstract] N/a. Capital commitments Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Entity [Domain] Entity [Domain] Government grants Government Assistance, Income, Increase (Decrease) Convertible Debt Convertible Debt [Member] Proceeds from issuance of convertible notes Proceeds from Issuance of Convertible Preferred Stock Granted (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Interest expense (including related parties amounts of US$965 and US$1,882 for the periods ended June 30, 2025 and 2026, respectively) Interest expense (including related parties amounts of US$965 and US$1,882 for the periods ended June 30, 2025 and 2026, respectively) Interest expense Interest Expense, Nonoperating Schedule of compensation expense recognized for RSUs Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Equity securities Equity Securities without Readily Determinable Fair Value, Amount Share based compensation Share-Based Payment Arrangement [Text Block] Issuance of convertible notes Convertible debt, aggregate principal amount Proceeds from Convertible Debt Connectivity service Connectivity service Connectivity Service [Member] Represents information pertaining to connectivity service. Issuance of ordinary shares upon follow-on public offering (in shares) Stock Issued During Period, Shares, New Issues Over 5 Years Contractual Obligation, to be Paid, after Year Five Year ending June 30, 2028 Long-Term Debt, Maturity, Year Two Debt, total Debt, Long-Term and Short-Term, Combined Amount Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] 1-2 Years Contractual Obligation, to be Paid, Year Two Total compensation expense recognized Share-based compensation expense Share-Based Payment Arrangement, Expense Rental of office space Rental Of Office Space, And Administrative Services [Member] Represents the information pertaining to rental of office space, and administrative services. Other non-current liabilities – third parties Other Liabilities, Noncurrent Goodwill Goodwill Warrant liabilities Fair Value Measurement Inputs and Valuation Techniques [Line Items] Revenue recognized from contract liabilities Contract with Customer, Liability, Revenue Recognized Subsequent Event Type [Domain] Subsequent Event Type [Domain] Intangible Asset, Excluding Goodwill, after Accumulated Amortization [Abstract] Exercisable (in years) Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Exercisable, Weighted Average Remaining Contractual Terms Weighted average remaining contractual term for exercisable equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. 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Liabilities Liabilities, Fair Value Disclosure [Abstract] Total amortization expenses Intangible Asset, Finite-Lived, Amortization Expense Intangible assets, net Intangible assets, net Intangible Asset, Finite-Lived [Line Items] Ownership [Domain] Ownership [Domain] Research and development expenses (including related parties amounts of US$1,765 and US$3,332 for the periods ended June 30, 2025 and 2026, respectively) Research and development expenses, related parties amount Research and Development Expense Fair value of the underlying ordinary shares Measurement Input, Share Price [Member] Year ending June 30, 2029 Long-Term Debt, Maturity, Year Three Write-off Accounts Receivable, Allowance for Credit Loss, Writeoff Notes payable Other Notes Payable, Current Share-Based Payment Arrangement [Abstract] Financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Total revenues Revenue from Contract with Customer, Excluding Assessed Tax Property and equipment, net Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Unused portion of line of credit Line of Credit Facility, Remaining Borrowing Capacity Other services Other services Service, Other [Member] Schedule of long-term investments Investment [Table Text Block] Financial Instruments [Domain] Financial Instruments [Domain] GBP United Kingdom, Pounds Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Inventories Inventory Disclosure [Text Block] Repurchase of ordinary shares Repurchase of ordinary shares Stock Repurchased During Period, Value Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Convertible Notes due 2026 Convertible Debt Due 2026 [Member] Convertible Debt Due 2026 Revenue information Revenue from Contract with Customer [Text Block] Issuance of ordinary shares upon follow-on public offering Stock Issued During Period, Value, New Issues Cash paid for repurchase of ordinary shares Payments for Repurchase of Initial Public Offering Aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value [Abstract] 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 Hong Kong GSX HONG KONG [Member] Forfeited (in USD per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Cash on hand Cash Bond Yields Measurement Input, Bond Yields [Member] Measurement Input, Bond Yields Construction in progress Construction in Progress [Member] Long-term investments Equity Securities without Readily Determinable Fair Value [Line Items] Weighted average discount rate, operating leases (as a percent) Operating Lease, Weighted Average Discount Rate, Percent Product warranties Current portion of warranty included in “Accrued expenses and other current liabilities” Product Warranty Accrual, Current Unrealized loss Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Unrealized Loss Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Unrealized Loss Segment Reporting [Table] Segment Reporting [Table] Schedule of maturities of borrowings Schedule of Maturities of Long-Term Debt [Table Text Block] Related Party Transaction [Table] Related Party Transaction [Table] Equity Method Investment [Table] Equity Method Investment [Table] Schedule of components of lease cost Lease, Cost [Table Text Block] Accrued expenses and other liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Others Other Assets, Current Commitments and Contingencies Disclosure [Abstract] Office and other equipment Office Equipment [Member] Loss from operation Loss from operation Operating Income (Loss) Service Service revenues Service revenues Service [Member] Current Fiscal Year End Date Current Fiscal Year End Date Automotive merchandise and other products Automotive merchandise and other products Automotive Merchandise and Other Products [Member] Represents information pertaining to automotive merchandise and other products. 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Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Anti-dilutive securities Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Ordinary shares, shares issued (in shares) Common Stock, Shares, Issued Fair value measurement value, beginning balance Fair value measurement value, ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Finished goods Inventory, Finished Goods, Gross Other non-current assets - third parties Other Assets Disclosure [Text Block] Treasury shares (in shares) Beginning balance, treasury (in shares) Ending balance, treasury (in shares) Treasury Stock, Common, Shares 1-2 Years Purchase Obligation, to be Paid, Year Two Loan one Loan One [Member] Loan One Equity Components [Axis] Equity Components [Axis] Currency [Axis] Currency [Axis] Product and Service [Domain] Product and Service [Domain] Related Party Related Party [Member] Class of Stock [Line Items] Class of Stock [Line Items] Contract cost assets Capitalized Contract Cost, Net Income tax paid Income Tax Paid, after Refund Received Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Class A Ordinary Shares Class A Ordinary Shares Common Class A [Member] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Derivative asset fair value Derivative Asset, Fair Value of Collateral Deferred tax liabilities Deferred Income Tax Liabilities, Net Liabilities, Total Liabilities, Total [Member] Customer D, a third party Customer D, A Third Party [Member] Customer D, A Third Party Accretion to redemption value of redeemable noncontrolling interests (Note 21) Accretion to redemption value of redeemable noncontrolling interests Noncontrolling Interest, Change in Redemption Value Comprehensive loss attributable to ordinary shareholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent 2025 Convertible Note Purchase Agreement 2025 Convertible Note Purchase Agreement [Member] 2025 Convertible Note Purchase Agreement Syndicated Acquisition Loan Facility Syndicated Acquisition Loan Facility [Member] Syndicated Acquisition Loan Facility Probability Of Triggering Events Measurement Input, Probability Of Triggering Events [Member] Measurement Input, Probability Of Triggering Events Property and equipment, net Property, Plant, and Equipment [Line Items] Subsequent Events [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Mezzanine equity: Temporary Equity, Including Noncontrolling Interest [Abstract] Amounts due to related parties Other Liabilities, Current Other non-current assets Other non-current assets – third parties Other Assets, Noncurrent Document Type Document Type 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] Outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Repayments of convertible notes Repayments of Convertible Debt Debt instrument, redemption price, percentage Debt Instrument, Redemption Price, Percentage Summary of significant accounting policies Significant Accounting Policies [Text Block] Redeemable Noncontrolling Interest, Equity, Carrying Amount [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] 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 Total intrinsic value of options exercised Exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Impairment loss Intangible Asset, Excluding Goodwill, Impairment Loss Subsequent Event [Line Items] Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Purchase commitment Purchase Obligation, Fiscal Year Maturity [Abstract] Proceeds from long-term borrowings Proceeds from Issuance of Long-Term Debt Contract liabilities, non-current Contract with Customer, Liability, Noncurrent Work-in-process Inventory, Work in Process, Gross Contract cost assets Capitalized Contract Cost, Net, Current Registrant Name Entity Registrant Name Investment commitments Investment Obligation, Fiscal Year Maturity [Abstract] Investment Obligation, Fiscal Year Maturity ACO Tech Sdn. Bhd. ACO Tech Sdn. Bhd. [Member] ACO Tech Sdn. Bhd. Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Vested and expected to vest Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Accretion of redeemable noncontrolling interests Temporary Equity, Accretion to Redemption Value, Adjustment Commitments and contingencies Commitments and Contingencies Revenues Revenues Intangible assets Intangible Asset, Finite-Lived, before Accumulated Amortization Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Property and equipment Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Warrants measurement input Warrants and Rights Outstanding, Measurement Input Gain from equity method investments, net Gain from equity method investments, net 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to Nonredeemable Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Attributable to Nonredeemable Noncontrolling Interest Convertible notes payable, non-current Non-current portion Convertible Notes Payable, Noncurrent Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Exercised (in USD per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Cash and restricted cash at the beginning of the period Cash and restricted cash at the end of the period Cash and restricted cash shown in the consolidated statements of cash flows Cash and restricted cash shown in the unaudited condensed consolidated statements of cash flows Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Geely Group and its subsidiaries Geely Group And Subsidiaries [Member] Represents the information pertaining to related party, Geely Group. Other payables and accrued charges* Other Accrued Liabilities, Current Loans and advances to related parties Payments to Fund Long-Term Loans to Related Parties Shenzhen U Chance Technology Co., Ltd. Shenzhen U Chance Technology Co., Ltd. [Member] Shenzhen U Chance Technology Co., Ltd. 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Accounts receivable Accounts receivable Accounts Receivable, after Allowance for Credit Loss, Current Technical and logistical services Technical and Logistical Services [Member] Technical and Logistical Services Accounts Payable Accounts Payable [Member] Accumulated deficit Retained Earnings (Accumulated Deficit) Prepayment for acquisition of an entity under common control Prepayment For Acquisition Of An Entity Under Common Control Prepayment For Acquisition Of An Entity Under Common Control Product and Service [Axis] Product and Service [Axis] Long-term investments, net – equity securities Equity Securities, FV-NI All Currencies [Domain] All Currencies [Domain] Total mezzanine equity Temporary Equity, Including Noncontrolling Interest Short-term borrowings Short-Term Debt [Line Items] Ordinary Shares Common Stock [Member] Major customer group Major Customer [Member] Major Customer Long-term investments, net – available-for-sale debt investments Debt Securities, Available-for-Sale Volatility (as a percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Operating lease costs Operating Lease, Cost Cover [Abstract] Purchase of products and services Purchase Of Products And Services [Member] Represents the information pertaining to purchase of products and services. Expected dividend yield (as a percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Noncontrolling Interest [Abstract] Operating Expenses Operating Expense, 1 [Member] Operating Expense, 1 Share Incentive Plan, 2022 Share Incentive Plan, 2022 [Member] Share Incentive Plan, 2022 Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Short-term debt, weighted average interest rate (as a percent) Short-Term Debt, Weighted Average Interest Rate, at Point in Time Concentration risk percentage (as a percent) Concentration Risk, Percentage Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Schedule of convertible debt Convertible Debt [Table Text Block] Interest expense on borrowings Interest Expense On Borrowings [Member] Represents the information pertaining to interest expense on borrowings. Total liabilities, mezzanine equity and shareholders’ deficit Liabilities and Equity Employee Stock Option Share-Based Payment Arrangement, Option [Member] Noncontrolling interests Equity, Attributable to Noncontrolling Interest Lotus Technology Inc Lotus Technology Inc [Member] Represents the information pertaining Lotus Technology Inc. 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Debt Instrument [Line Items] Debt Instrument [Line Items] Additional paid-in capital Additional Paid-in Capital [Member] Supplemental information: Supplemental Cash Flow Elements [Abstract] Automotive computing platform Automotive computing platform Automotive Computing Platform [Member] Represents information pertaining to automotive computing platform. SiEngine Technology Co., Ltd. SiEngine Technology Co., Ltd. [Member] SiEngine Technology Co., Ltd. Repayments of short-term borrowings Repayments of Short-Term Debt Cash Cash at banks Cash and Cash Equivalent Expected term Measurement Input, Expected Term [Member] Debt instrument, interest rate during period Debt Instrument, Interest Rate During Period Xingji Meizu Xingji Meizu [Member] Xingji Meizu Long-Term Debt, Fiscal Year Maturity [Abstract] Long-Term Debt, Fiscal Year Maturity [Abstract] Prepaid Expense and Other Assets, Current [Abstract] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Change in fair value of an equity security Equity Securities, FV-NI, Unrealized Gain (Loss) Borrowings Short-Term Debt [Text Block] Provisions Noncurrent portion of warranty included in “Provisions” Product Warranty Accrual, Noncurrent Automotive computing Platform – Design and development service 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. Vested and expected to vest Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Cash and restricted cash Cash and Cash Equivalents Disclosure [Text Block] Issuance of Class A ordinary shares under 2022 Share Incentive Plan (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Stock, Class of Stock [Table] Stock, Class of Stock [Table] Year ending June 30, 2031 Long-Term Debt, Maturity, Year Five Current assets Assets, Current [Abstract] Weighted average remaining lease term (years), operating leases Operating Lease, Weighted Average Remaining Lease Term Accrued expenses and other current liabilities – derivative liability Derivative Liability Repayment of borrowings from related parties Repayment Of Borrowings From Related Parties [Member] Represents the information pertaining to repayment of borrowings from related parties. Entity Address, Address Line One Entity Address, Address Line One Operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Income tax expenses Income tax expenses Income Tax Expense (Benefit) Foreign currency exchange losses, net Gain (Loss), Foreign Currency Transaction, before Tax Other non-operating (expenses) income, net Other Income and Other Expense Disclosure [Text Block] Total Investment Obligation Investment Obligation Convertible notes Convertible Notes Payable [Member] Customer concentration risk Customer Concentration Risk [Member] Net loss Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Total cost of revenues Total cost of revenues Total cost of revenues Cost of Product and Service Sold Total Purchase Obligation Net increase in cash and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Bond Yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Bond Rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Bond Rate Net loss attributable to Ecarx Holdings Inc. Net Income (Loss) Attributable to Parent Taxes payable Sales and Excise Tax Payable Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Loans And Advances To Related Parties Loans And Advances To Related Parties [Member] Represents the information pertaining to loans to related parties. Statement [Table] Statement [Table] Proceeds from issuance of ordinary shares Proceeds from Issuance Initial Public Offering Supplier C, a related party Supplier C, A Third Party [Member] This member stands for Supplier C, a third party. Proceeds from employee stock option exercises Proceeds from Stock Options Exercised Warrant liabilities Warrants And Rights Liability [Text Block] The entire disclosure on warrant liability. Interest income (including related parties amounts of US$805 and US$1,560 for the periods ended June 30, 2025 and 2026, respectively) Interest income Investment Income, Interest SoC Core Modules SoC Core Modules SoC Core Modules [Member] Represents information pertaining to SoC Core Modules. Exercisable (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Schedule of contract liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Debt instrument, convertible, threshold consecutive trading days Debt Instrument, Convertible, Threshold Consecutive Trading Days Schedule of fair value, net derivative liability, unobservable input reconciliation Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Proceeds from short-term borrowings Proceeds from Short-Term Debt Change in fair value of derivative assets Increase (Decrease) in Derivative Assets Gain due to change in fair value Warrants and Rights Outstanding, Change In Fair Value Included In Losses The amount of increase (decrease) in warrants or rights outstanding, through changes in fair value included in losses. Current liabilities in excess of current assets Net Current Assets (Liabilities) The amount of current assets less the amount of current liabilities. Payments for equity securities Cash Paid For Investment Securities Cash Paid For Investment Securities Revenues Revenues [Abstract] Geely Group Geely Group [Member] Represents information pertaining to Geely Group. Available For Sale Investments Available For Sale Investments [Member] Available For Sale Investments