Effective within business days Threshold Period For Effective With in Statement After Business Combination Threshold period for effective with in statement after business combination. After closing the business combination Threshold Period For Filling Registration Statement After Business Combination Number of threshold period for filling registration statement after business combination. Additional units Units Issued during Period Shares New Issues Number of units issued during period shares new issues. Business combination closing period Warrants and rights outstanding exercisable term from closing of initial public offering. Initial Public Offering [Abstract] Initial Public Offering [Abstract] Class of Stock [Domain] Initial Public Offering [Line Items] Shareholders’ Deficit [Line Items] Class of Stock [Line Items] Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Warrant exercise price Public warrant price per share Class of Warrant or Right, Exercise Price of Warrants or Rights Number of warrants, outstanding Class A Ordinary Shares [Member] Class A Ordinary Shares [Member] Class A Ordinary Shares Class A Redeemable [Member] Class A Class A Ordinary Shares [Member] Class A Ordinary Shares Purchase an aggregate private placement warrants Class of Warrant or Right, Number of Securities Called by Warrants or Rights Private Placement Warrant [Member] Private Placement [Abstract] Purchased shares Number of Ordinary Shares Number of ordinary shares purchased. Private Placement [Line Items] Subsidiary, Sale of Stock [Line Items] PRIVATE PLACEMENT Private Placement [Text Block] Disclosure of private placement. Expiration term Warrants and Rights Outstanding, Term Warrant [Member] Sale of Stock [Axis] Class of Stock [Axis] Share price Shares Issued, Price Per Share Stock, Class of Stock [Table] Shareholders' Deficit [Table] Sale of Stock [Domain] Initial Public Offering [Member] IPO [Member] Gross proceeds Proceeds from Issuance Initial Public Offering Private Placement [Table] Subsidiary or Equity Method Investee, Sale of Stock, Type [Table] Original sponsor sold warrant Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Related Party Transactions [Abstract] Gross proceeds Proceeds from sale of Private Placement Warrants Proceeds from Issuance of Private Placement Sale of stock description Sale of Stock, Description of Transaction Surrendered shares Stock issued during period surrendered shares Number of shares stock issued during period surrendered shares. Sponsor [Member] Sponser [Member] Threshold period Restrictions on transfer period of time after business combination completion. Promissory Note [Member] Payments for rent Related Party Transaction, Amounts of Transaction Related Party [Member] Related party Related and Nonrelated Parties [Domain] Borrowed amount Notes Payable, Total Principal amount Loans Payable Debt Instrument, Name [Domain] Working Capital Loans [Member] Warrant per share Warrant Per Share At The Option Of The Lender Per share of warrant share at the option of the lender. Trading day period Transfer Assign Or Sell Any Shares Or Warrants After Completion Of Initial Business Combination Threshold Trading Days Number of days for trading day period. Founder shares are no longer subject to forfeiture Number of founder shares no longer subject to forfeiture. Founder Shares [Member] RELATED PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block] Share price of closing stock Number of share price of closing stock. Service fees paid Payment for Administrative Fees Fair Value Measurements [Abstract] Fair Value Measurements [Abstract] Shares issued Consummated units Stock Issued During Period, Shares, New Issues INITIAL PUBLIC OFFERING Initial Public Offering [Text Block] The entire disclosure for initial public offering. Plus Plus: [Abstract] Remeasurement of carrying value to redemption value The amount of remeasurement of carrying value to redemption value. Temporary Equity, by Class of Stock [Table] Class A ordinary shares subject to possible redemption Class A ordinary shares subject to possible redemption, 14,375,000 shares at redemption value of $10.47 and $10.29 per share at June 30, 2026 and December 31, 2025, respectively Temporary Equity, Carrying Amount, Attributable to Parent Schedule of Class A Ordinary Shares Subject to Possible Redemption [Abstract] Schedule of Class A Ordinary Shares Subject to Possible Redemption [Line Items] Temporary Equity [Line Items] Class A and Class B Non-Redeemable [Member] Schedule of Basic and Diluted Net Income Per Ordinary Share [Abstract] Basic net income per ordinary share Basic net income per share Earnings Per Share, Basic, Total Basic And Diluted Net Income Per Ordinary Share [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Diluted net income per ordinary share Diluted net income per share Earnings Per Share, Diluted, Total Numerator Net Income (Loss) Attributable to Parent [Abstract] Basic allocation of net income Net Income (Loss) Available to Common Stockholders, Basic, Total Diluted allocation of net income Net Income (Loss) Available to Common Stockholders, Diluted, Total Basic And Diluted Net Income Per Ordinary Share [Table] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Diluted weighted average ordinary shares outstanding Diluted weighted average shares outstanding Weighted Average Number of Shares Outstanding, Diluted Basic weighted average ordinary shares outstanding Basic weighted average shares outstanding Weighted Average Number of Shares Outstanding, Basic Related Party Transaction [Domain] Segment reporting, description Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Shareholders’ Deficit [Abstract] Ordinary shares subject to forfeiture Capital contribution Stock Issued During Period, Value, New Issues Schedule of Company’s Assets that are Measured at Fair Value hierarchy of the Valuation Inputs Fair Value, Assets Measured on Recurring Basis [Table Text Block] SHAREHOLDERS’ DEFICIT Equity [Text Block] Affirmative vote percentage Affirmative vote percentage. Common stock issued and outstanding percentage Common stock issued and outstanding percentage. Founder Shares [Member] Founder Shares One [Member] Ordinary shares, shares authorized Common Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares issued Preferred Stock, Shares Issued Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Denominator Weighted Average Number of Shares Outstanding, Basic [Abstract] Significant Accounting Policies [Abstract] Schedule of Basic and Diluted Net Income Per Ordinary Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Company's Performance Segment Reporting [Abstract] Surrendered shares Stock Issued During Period Shares, Surrendered Shares Number of shares stock issued during period surrendered shares. Segment Reporting [Table] Segment Reporting [Line Items] Title and Position [Axis] Title and Position [Domain] Chief Executive Officer Chief Executive Officer [Member] Chief Financial Officer Chief Financial Officer [Member] Subsequent Event [Member] Subsequent Events [Abstract] Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Sponsor [Member] Schedule of Class A Ordinary Shares Subject to Possible Redemption Temporary Equity [Table Text Block] Business Combination [Member] Business Combination [Member] Business Combination, Series of Individually Immaterial Business Combinations [Member] FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Schedule of Quantitative Information Regarding Market Assumptions used in the Valuation of the Public Warrants Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Promissory note Notes Payable, Current, Total Debt Instrument [Axis] New Sponsor [Member] Ordinary shares, shares issued Common Stock, Shares, Issued Ordinary shares, par value Common Stock, Par or Stated Value Per Share Class B Ordinary Shares Class B Ordinary Shares [Member] Class B Class B Ordinary Shares [Member] Common Class B [Member] Document Information [Table] Document Period End Date Statement [Line Items] Statements Of Changes In Shareholders’ Deficit [Abstract] Amendment Flag City Area Code Cover [Abstract] Current Fiscal Year End Date Document Fiscal Period Focus Document Fiscal Year Focus Document Information [Line Items] Additional paid-in capital Additional Paid in Capital, Total TOTAL ASSETS Assets, Total Ordinary shares, Value Common Stock, Value, Issued Total Liabilities Liabilities, Total TOTAL LIABILITIES, CLASS A ORDINARY SHARES SUBJECT TO POSSIBLE REDEMPTION AND SHAREHOLDERS’ DEFICIT Liabilities and Equity, Total LIABILITIES, CLASS A ORDINARY SHARES SUBJECT TO POSSIBLE REDEMPTION AND SHAREHOLDERS’ DEFICIT Liabilities and Equity [Abstract] Schedule of Quantitative Information Regarding Market Assumptions used in the Valuation of the Public Warrants [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Schedule of Quantitative Information Regarding Market Assumptions used in the Valuation of the Public Warrants [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Schedule of Quantitative Information Regarding Market Assumptions used in the Valuation of the Public Warrants [Abstract] Fair Value Measurement Inputs and Valuation Techniques [Abstract] Exercise [Member] Measurement Input, Exercise Price [Member] Term (years) [Member] Measurement Input, Expected Term [Member] Volatility [Member] Measurement Input, Price Volatility [Member] Risk-free rate [Member] Measurement Input, Risk Free Interest Rate [Member] Market price of public shares [Member] Measurement Input, Share Price [Member] Measurement Input Type [Axis] Measurement Input Type [Domain] Fair Value measurement input Warrants and Rights Outstanding, Measurement Input Public Warrant [Member] Class of Warrant or Right [Table] Statement [Table] ASSETS Assets: Assets [Abstract] Total current assets Assets, Current, Total Current assets Assets, Current [Abstract] Cash Cash Commitments and Contingencies (Note 6) Commitments (see note 6) Interest earned on marketable securities held in Trust Account Interest earned on marketable securities held in Trust Account Income earned on marketable securities held in Trust Account Investment Income, Interest Trading Symbol Accrued offering costs Represents the amount of accrued offering costs. Deferred legal fees Deferred legal fees Represents the amount of deferred legal fees. Deferred underwriting fee payable The amount of deferred underwriting fee payable. Accounts payable and accrued expenses Accounts Payable and Other Accrued Liabilities, Current Adjustments to reconcile net income to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Accretion for Class A ordinary shares to redemption amount Temporary Equity, Accretion to Redemption Value Emerging Growth Company Emerging Growth Company Policy Policy Text Block [Policy Text Block] The disclosure of accounting policies emerging growth company. Offering Costs Offering Costs [Policy Text Block] Disclosure of accounting policy offering costs. Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Marketable Securities Held in Trust Account Marketable Securities, Policy [Policy Text Block] Prepaid insurance Increase (Decrease) in Prepaid Insurance Fair value of Public Warrants at issuance Adjustments to Additional Paid in Capital, Warrant Issued Allocated value of transaction costs to Class A shares Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Issuance of Representative Shares Stock Issued During Period, Value, Other Issuance of Representative Shares (in Shares) Stock Issued During Period, Shares, Other Cash Flows from Financing Activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Investment of cash in Trust Account Payments to Acquire Investments, Total Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation, Total Issuance of Class A Representative Shares Issuance of Class A Representative Shares Amount of issuance of class A representative shares. Deferred underwriting fee payable Deferred Underwriting Fees Payables Represent the amount of deferred underwriting fee payable. Proceeds from sale of Units, net of underwriting discounts paid Proceeds from Sale of Units, net of Underwriting Discounts Paid Amount of proceeds from sale of Units, net of underwriting discounts paid. Repayment of advances from related party Repayments of Related Party Debt Accrued expenses – related party Accrued Liabilities, Current Class A and Class B non-redeemable ordinary shares Class A and Class B Non-Redeemable Ordinary Shares [Member] Class A redeemable ordinary shares Class A Redeemable Ordinary Shares [Member] Current liabilities Liabilities, Current [Abstract] Marketable securities held in Trust Account Marketable securities held in trust account Marketable Securities, Noncurrent Prepaid expenses Prepaid Expense, Current Preference shares, $0.0001 par value; 1,000,000 shares authorized; none issued or outstanding at June 30, 2026 and December 31, 2025 Preferred Stock, Value, Issued Sale of 2,000,000 Private Placement Warrants Sale of Private Placement Warrants Represent the amount of sale of private placement warrants. Accrued expenses – related party Increase Decrease In Accrued Liabilities Related Party Represent the amount of accrued expenses from related party. Related and Nonrelated Parties [Axis] Accumulated deficit Retained Earnings (Accumulated Deficit), Total Statement of Financial Position [Abstract] Sale of warrant Sale of private placement warrants Sale of Stock, Number of Shares Issued in Transaction Working capital deficit Working Capital Deficit The amount of working capital surplus. Business Combination [Domain] Business Combination [Axis] Aggregate purchase price Sale of Stock, Consideration Received Per Transaction Transferred interest purchase price Business Combination, Price of Acquisition, Expected Private Placement Warrants [Member] Redeemed percentage Debt Instrument, Redemption Price, Percentage Redeemable Warrant [Member] Agreed purchase shares Agreed Purchase Shares The number of agreed purchase shares. Accrued for interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Business Combination Agreement [Member] Dune Acquisition Corporation II [Member] Interest to pay dissolution expenses Represent the amount of interest to pay dissolution expenses. Number of shares per unit Number Of Shares Per Unit Number of shares per unit. Organization and Business Operations (Table) Organization and Business Operations [Table] Organization and Business Operations [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Transaction costs Represents the amount of transaction costs incurred. Restricted investment term Restricted investment term Underwriting fees Cash payment for the underwriting fees. Class A Ordinary Shares Subject to Possible Redemption Shares Subject to Mandatory Redemption, Changes in Redemption Value, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Federal depository insurance corporation coverage limit Federal Deposit Insurance Corporation Premium Expense Income tax provision Income Tax Expense (Benefit) Payments for underwriting expense Payments for Underwriting Expense After the completion of the initial business combination After the completion of the initial business combination Number of days after the completion of the initial business combination. Prior written notice of redemption Class Of Warrant Or Right Minimum Threshold Written Notice Period For Redemption Of Warrants Class Of Warrant Or Right Minimum Threshold Written Notice Period For Redemption Of Warrants Trading day period commencing Class Of Warrant Or Right Redemption Of Warrants Or Rights Threshold Consecutive Trading Days Class Of Warrant Or Right Redemption Of Warrants Or Rights Threshold Consecutive Trading Days Warrant redemption price Exercise price per share or per unit of class of warrant or right redemption price of warrants or rights. Number of trading days Number of Trading Days Number of trading days. Underwriting discount per share Underwriting Discount Per Share Number of per share of underwriting discount. Underwriting discount Underwriting Discount Represent the amount underwriting discount. Underwriting Agreement [Member] Underwriters payable per unit Underwriters payable per unit. Over allotment period Underwriters Over-allotment Option Period Underwriters Overallotment Option Period. Underwriter [Member] Commencement of sales of the proposed public offering Subject to a Lock up for Period Commencement Sales Proposed Public Offering Number of days subject to a lock up for period commencement sales proposed public offerings. Deferred under writing commissions payable The amount of deferred under writing commissions payable. COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Deferred consulting fees Deferred consulting fees Represents the amount of deferred consulting fees. Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Commitments and Contingencies [Abstract] Commitments and Contingencies [Line Items] Loss Contingencies [Line Items] Related Party Transactions [Table] Related Party Transaction [Table] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Loss Contingencies [Table] Service fee incurred Service fee Commencing at least after the initial business combination Threshold period after business combination in which specified trading days with in any specified trading day period commences. Working capital loans Working Capital Loans Amount of working capital loans. Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities, Current Commencing period Transfer Assign Or Sell Any Shares Or Warrants After Completion Of Initial Business Combination Threshold Consecutive Trading Days Trading Day Commencing Period Over-Allotment Option [Member] Related Party Transactions [Line Items] Related Party Transaction [Line Items] Related Party Transaction [Axis] Shares issued new issues Shares outstanding Balance (in Shares) Balance (in Shares) Shares, Outstanding, Beginning Balance Segment Reporting [Abstract] SEGMENT REPORTING Segment Reporting Disclosure [Text Block] Voting percentage Business Combination, Voting Equity Interest Acquired, Percentage Ordinary shares, shares outstanding Common Stock, Shares, Outstanding Common stock, voting rights Preferred stock, par value Preferred Stock, Par or Stated Value Per Share Temporary equity, shares outstanding Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Events [Line Items] Subsequent Event [Line Items] General and administrative costs General and Administrative Expense, Total SUBSEQUENT EVENTS Subsequent Events [Text Block] Schedule of Company's Performance Segment Reporting Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Table Text Block] Number of operating segments Document Quarterly Report Document Transition Report Document Type Entity Address, Address Line One Entity Address, Address Line Two Entity Address, City or Town Entity Address, Postal Zip Code Entity Address, State or Province Entity Central Index Key Deferred consulting fees Increase Decrease In Deferred Consulting Fees Represents the amount of increase (decrease) in deferred consulting fees. Deferred legal fees Increase Decrease In Deferred Legal Fees Represents the amount of increase (decrease in deferred legal fees. Cash – End of period Cash – Beginning of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Net Income per Ordinary Share Earnings Per Share, Policy [Policy Text Block] Net Change in Cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation, Total Non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Prepaid expenses Increase (Decrease) in Prepaid Expense and Other Assets Additional Paid-in Capital Additional Paid-in Capital [Member] Ordinary Shares Common Stock [Member] Equity Component [Domain] Accumulated Deficit Retained Earnings [Member] Payment of operating expenses through promissory note – related party Represents the amount of payment of operating expenses through promissory note – related party. Deferred offering costs included in accrued offering costs Represents the amount of deferred offering costs included in accrued offering costs. Class A ordinary shares, par value $0.0001 per share Units, each consisting of one Class A ordinary and three-quarters of one redeemable warrant Warrants, each whole warrant exercisable for one Class A ordinary share, each at an exercise price of $11.50 per share Proceeds from promissory note – related party Proceeds from Related Party Debt Repayment of promissory note – related party Repayments of Notes Payable Statement of Cash Flows [Abstract] Total Shareholders’ Deficit Balance Balance Equity, Attributable to Parent, Total Shareholders’ Deficit Equity, Attributable to Parent [Abstract] Accretion of Class A ordinary shares to redemption value Amount of accretion of class A ordinary shares to redemption value. SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Organization and Business Operations [Abstract] Organization and Business Operations [Abstract] ORGANIZATION AND BUSINESS OPERATIONS Nature of Operations [Text Block] Equity Components [Axis] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Payment of operating costs through advances from related party Payment of Operating Cost through Advance from Related Party Represent the amount of payment of operating cost through advance from related part. Common stock redemption value per share Common stock redemption value Income Statement [Abstract] NET INCOME Net income OTHER INCOME Nonoperating Income (Expense) [Abstract] Loss from operations Operating Income (Loss), Total Total other income Other Nonoperating Income (Expense), Total Warrant Instruments Warrant Instruments [Policy Text Block] The disclosure of accounting policies for warrant instruments. Fair Value Measurements [Line Items] Schedule of Company’s Assets that are Measured at Fair Value hierarchy of the Valuation Inputs [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation, Total Cash Flows from Financing Activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation, Total Cash Flows from Operating Activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Payment of offering costs Payments of Stock Issuance Costs Marketable securities held in Trust account Asset, Held-in-Trust, Noncurrent Fair Value, by Balance Sheet Grouping [Table] Fair Value Hierarchy and NAV [Axis] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Fair Value Hierarchy and NAV [Domain] Common stock subject to possible redemption Entity Common Stock, Shares Outstanding Entity Current Reporting Status Entity Emerging Growth Company Entity Ex Transition Period Entity File Number Entity Filer Category Entity Incorporation, State or Country Code Entity Interactive Data Current Entity Registrant Name Entity Shell Company Entity Small Business Entity Tax Identification Number Local Phone Number Title of 12(b) Security Security Exchange Name Total current liabilities Liabilities, Current Other offering costs Amount of other offering costs. Percentage of fair market value The percentage of fair market value. Post-Business Combination [Member] Number of business combination completion months Number of Business Combination Completion Months Number of business combination completion months. Unrecognized tax benefits Unrecognized Tax Benefits, Beginning Balance Operating cash and cash equivalents Cash and Cash Equivalent, Total