Entity Addresses, Address Type [Axis] Total current assets Total assets Related and Nonrelated Parties [Axis] Total current liabilities Total liabilities Total shareholders’ equity Balance Balance Total liabilities and shareholders’ equity Class of Stock [Axis] Revision of Prior Period [Axis] Total operating expenses Loss from operations Net comprehensive loss Net loss Net loss Loss for the period Balance (in Shares) Balance (in Shares) Equity Components [Axis] Net cash used in operating activities Increase (decrease) in cash and cash equivalents Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Net cash provided by financing activities Net cash used in investing activities Description of Business [Abstract] Basis of Presentation and Summary of Significant Accounting Policies [Abstract] Prepaid Expenses and Other Current Assets [Abstract] Schedule of Prepaid Expenses and Other Current Assets [Abstract] Total Income Taxes [Abstract] Shareholders’ Equity [Abstract] Fair Value Measurement [Abstract] Net Loss Per Share [Abstract] Schedule of Basic Net Loss Per Share Attributable to Common Shareholders [Abstract] Commitments and Contingencies [Abstract] Related Party Transactions [Abstract] Subsequent Events [Abstract] Long-Lived Asset, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Reverse Recapitalization [Abstract] Legal Entity [Axis] Accounts Receivable, Net [Abstract] Schedule of Accounts Receivable Include Trade and Other Receivables [Abstract] Total Total Prepaid expenses and other current assets Accrued Expenses and Other Current Liabilities [Abstract] Schedule of Accrued Expenses and Other Current Liabilities [Abstract] Total Accrued expenses and other current liabilities Property and Equipment, Net [Abstract] Property and equipment, net Property and equipment, net Intangible Assets, Net [Abstract] Long-Term Debt [Abstract] Debt Instrument [Axis] Beginning balance Ending balance Total long-term debt Warrant Liabilities [Abstract] Class of Warrant or Right [Axis] Fair Value Hierarchy and NAV [Axis] Measurement Basis [Axis] Beginning balance, fair value Ending balance, fair value Liability Class [Axis] Measurement Input Type [Axis] Revenue Recognition [Member] Product and Service [Axis] Geographical [Axis] Total revenue Revenue Customer [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Type [Axis] Issued and Outstanding, Voting and Non-Voting Common Shares Amount, Voting and Non-Voting Common Shares Balance as of December 31, 2025 as adjusted, Number (in Shares) Balance as of March 31, 2026, Number (in Shares) Common shares, shares outstanding (in Shares) Common shares Outstanding Common shares, Number Shares Issued and Outstanding, Common Shares Balance as of December 31, 2025 as adjusted, Amount Balance as of March 31, 2026, Amount Number of Options, balance beginning Number of Options, balance beginning Options to purchase Weighted average exercise price, balance beginning Weighted average exercise price, balance beginning Aggregate intrinsic value, balance beginning Aggregate intrinsic value, balance beginning Award Type [Axis] Stock-Based Compensation Type [Axis] Antidilutive Securities [Axis] Document Type Entity Registrant Name Entity Incorporation, State or Country Code Entity Primary SIC Number Entity Address, Address Line One Entity Address, Address Line Two Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Country City Area Code Local Phone Number Contact Personnel Name Entity Emerging Growth Company Entity Ex Transition Period Entity Central Index Key Amendment Flag Assets Current assets: Liabilities and Shareholders’ Equity Current liabilities: Due to related party Shareholders’ equity: Common shares, value Common shares amount (in Dollars) Common shares, Amount Common shares, par value (in Dollars per share) Common shares, shares issued (in Shares) Common shares issued Common share issued Common shares, unlimited shares authorized Common shares authorized Accumulated deficit Cash and cash equivalents Accounts receivable, net Materials and supplies Operating right-of-use assets, net Intangible assets, net Accounts payable Deferred revenue Deferred grant income Short-term operating lease liabilities Earn-out share liabilities Earn-out share liabilities - Level 3 Warrant liabilities Total warrant liabilities Warrant liabilities – Level 3 Warrant liabilities (in Dollars) Long-term operating lease liabilities Long-term debt Commitments and contingencies (note 15) Old Xanadu convertible preferred shares, no par value, 204,286,254 shares authorized, 199,930,069 issued and outstanding at December 31, 2025 (1) Old Xanadu convertible preferred shares, par value (in Dollars per share) Old Xanadu convertible preferred shares, shares authorized (in Shares) Old Xanadu convertible preferred shares, shares issued (in Shares) Old Xanadu convertible preferred shares, shares outstanding (in Shares) Issued and Outstanding,Old Xanadu Convertible Preferred Shares Common shares, shares authorized (in Shares) Additional paid-in capital Accumulated other comprehensive income (loss) Operating expenses: General and administrative Net loss per share, basic (in Dollars per share) Net loss per share attributable to common shareholders, basic Net loss per share, diluted (in Dollars per share) Net loss per share attributable to common shareholders, diluted Weighted average shares outstanding, basic (in Shares) Weighted average common shares outstanding Weighted average common shares outstanding, basic Weighted average shares outstanding, diluted (in Shares) Weighted average common shares outstanding, diluted Cost of revenue (exclusive of depreciation and amortization below) Research and development Sales and marketing Depreciation and amortization Other income (expense), net: Interest income (expense), net Gain on fair value of earn out share liabilities Other income, net Total other income, net Comprehensive loss: Cumulative translation adjustment Issuance of common stock upon exchange of Old Xanadu’s preferred and common stock (2) Issuance of common stock upon exchange of Old Xanadu’s preferred and common stock, Amount Issuance of common stock upon exchange of Old Xanadu’s preferred and common stock (2) (in Shares) Issuance of common stock upon exchange of Old Xanadu’s preferred and common stock, Number (in Shares) Stock-based compensation Exercise of stock options Issuance upon exercise of stock options, Amount Exercise of stock options (in Shares) Issuance upon exercise of stock options, Number (in Shares) Number of Options, Exercised Reverse Recapitalization and PIPE transaction, net of transaction costs (3) Reverse Recapitalization and PIPE transaction, net of transaction costs (3) (in Shares) Earn-out share liability at Closing of Reverse Recapitalization Conversion of Warrant Liabilities to Equity Adjustments to additional paid in capital, warrant issued (in Dollars) Exercise of Warrants Warrant Exercise, Amount Exercise of Warrants (in Shares) Warrant Exercise, Number (in Shares) Cumulative translation adjustment, net of tax Cash flows from operating activities: Adjustments to reconcile net loss to net cash used in operating activities: Change in operating assets and liabilities: Due to related party Amortization of operating right of use assets Stock-based compensation Amortization of debt issuance costs Interest accretion on long-term debt Change in operating assets and liabilities: Accounts payable Accrued expenses and other current liabilities Deferred revenue Deferred grant income Operating lease liabilities Cash flows from financing activities: Proceeds from reverse recapitalization and Private Investment in Public Equity (“PIPE”) transaction, net of transaction costs Proceeds from exercise of stock options Proceeds from long-term debt Proceeds from long-term debt (in Dollars) Cash flows from investing activities: Effects of foreign exchange rates on cash and cash equivalents