Document and Entity Information Document Information [Table] Document Information [Line Items] Document and Entity Information Document Type Document Quarterly Report Document Period End Date Document Transition Report Entity Registrant Name Securities Act File Number Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Ex Transition Period Entity Shell Company Entity Common Stock, Shares Outstanding Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag CONDENSED CONSOLIDATED BALANCE SHEETS Statement [Table] Statement [Line Items] Statement Assets [Abstract] Assets Assets, Current [Abstract] Current assets Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Accounts Receivable, after Allowance for Credit Loss, Current Accounts receivable - net of allowance for credit loss Amount of standard support services owed from related party Other Receivables, Net, Current Related party receivables Other Receivable, after Allowance for Credit Loss, Current, Related Party [Extensible Enumeration] Contract with Customer, Asset, after Allowance for Credit Loss, Current Contract asset Inventory, Net Inventories, net Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Disposal Group, Including Discontinued Operation, Assets, Current Current assets from discontinued operations Current assets from discontinued operations Assets, Current Total current assets Operating Lease, Right-of-Use Asset Right-of-use asset - operating lease Finance Lease, Right-of-Use Asset, after Accumulated Amortization Right-of-use asset - finance lease Property, Plant and Equipment, Net Property and equipment, net Goodwill Goodwill Goodwill Intangible Assets, Net (Excluding Goodwill) Intangible assets, net Total Equity Method Investments Investment in equity method investee Investment in Sun Solar Equity Securities, FV-NI, Noncurrent Investment in equity securities receivable Investment in equity securities Disposal Group, Including Discontinued Operation, Assets, Noncurrent Non - current assets from discontinued operations Non-current assets from discontinued operations Assets Total assets Total Assets Liabilities and Equity [Abstract] Liabilities and Stockholders' Deficit Liabilities, Current [Abstract] Current liabilities Accounts Payable, Current Accounts payable Accrued Liabilities and Other Liabilities Accrued expenses and other current liabilities Amount of liability recognized arising from contingent consideration within one year. Liability For Contingent Consideration Current Contingent consideration liability Loans Payable, Current Debt, net of debt discount Convertible Notes Payable, Current Convertible debt, at fair value Convertible notes payable Derivative Liability, Current Amount of derivative liabilities associated with share reset adjustment Derivative liabilities The amount of deferred consideration, expected to be settled within one year or normal operating cycle. Deferred Consideration, Current Deferred consideration Operating Lease, Liability, Current Operating lease liability Finance Lease, Liability, Current Finance lease liability Contract with Customer, Liability, Current Ending balance Beginning balance Contract liabilities Fair value portion of settlement agreement for shares issued under Section 3(a)(10) of the Securities Act. Settlement Agreement, Fair Value Disclosure 3(a)(10) Settlement Agreement 3(a)(10) Settlement Agreement, at fair value Other Liabilities, Current Other payable Disposal Group, Including Discontinued Operation, Liabilities, Current Current liabilities from discontinued operations Current liabilities from discontinued operations Liabilities, Current Total current liabilities Notes Payable, Noncurrent Debt, net of current portion Operating Lease, Liability, Noncurrent Operating lease liabilities, net of current portion Finance Lease, Liability, Noncurrent Finance lease liabilities, net of current portion Business Combination, Contingent Consideration, Liability, Noncurrent Contingent consideration liability, net of current portion Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent Non-current liabilities from discontinued operations Non-current liabilities from discontinued operations Liabilities Total liabilities Commitments and Contingencies. Commitments and Contingencies (Note 11) Equity, Attributable to Parent [Abstract] Stockholders' Equity: Preferred Stock, Value, Issued Preferred stock Series A, $0.0001 par value, 10,000,000 shares authorized as of June 30, 2026 and December 31, 2025 no shares issued or outstanding as of June 30, 2026 and December 31, 2025 Common Stock, Value, Issued Common stock, $0.0001 par value, 250,000,000 shares authorized as of June 30, 2026 and December 31, 2025, 656,163 and 4,789,230 issued and outstanding as of June 30, 2026 and December 31, 2025 respectively Additional Paid in Capital Additional paid-in-capital Retained Earnings (Accumulated Deficit) Accumulated deficit Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from non-owner source attributable to discontinued operations. Accumulated Other Comprehensive Income (Loss), Net of Tax, Discontinued Operations Accumulated other comprehensive loss from discontinuing operations Equity, Attributable to Parent Total ConnectM Technology Solutions, Inc.'s stockholders' equity/(deficit) Amount of equity (deficit) attributable to non controlling interest. Excludes temporary equity attributable to continuing operations. Equity, Attributable to Noncontrolling Interest, Continuing Operations Noncontrolling interest from continuing operations Amount of equity (deficit) attributable to non controlling interest. Excludes temporary equity attributable to continuing operations. Equity, Attributable to Noncontrolling Interest, Discontinued Operations Noncontrolling interest from discontinuing operations Equity, Including Portion Attributable to Noncontrolling Interest Ending balance Beginning balance Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Class of Stock [Axis] Class of Stock [Domain] Series A Preferred Stock [Member] Preferred stock Series A Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars per share) Preferred Stock, Shares Authorized Preferred stock, shares authorized (in shares) Preferred Stock, Shares Issued Preferred stock, shares issued (in shares) Preferred Stock, Shares Outstanding Preferred stock, shares outstanding (in shares) Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, shares authorized (in shares) Common Stock, Shares, Issued Common stock, shares issued (in shares) Common Stock, Shares, Outstanding Common stock, stock outstanding (in shares) Common Stock, Outstanding Stockholders' Equity Note, Stock Split, Conversion Ratio Reverse stock split CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS Revenue from Contract with Customer, Excluding Assessed Tax Revenues Total Cost of Revenue Cost of revenues Gross Profit Gross profit Selling, General and Administrative Expense Selling, general and administrative expenses Total selling, general and administrative expenses Impairment of Intangible Assets (Excluding Goodwill) Loss on impairment of intangible assets Loss on impairment of intangible assets Loss on impairment of intangible assets Operating Income (Loss) Loss from operations (Loss) income from operations Nonoperating Income (Expense) [Abstract] Other income (expense): Interest Expense, Nonoperating Interest expense Interest expense Amount of discount or loss on issuance of financial instruments. Loss On Issuance Of Financial Instruments Loss on issuance of financial instruments Loss on issue of financial instrument The amount of gain or loss from difference between the fair value of payments made and the carrying amount of debt and vendor payable which is extinguished prior to maturity during the reporting period. Gain (Loss) On Extinguishment Of Debt And Vendor Payable Loss on extinguishment of debt and vendor payable Loss on extinguishment of debt and vendor payable Amount of gain recognized during the period upon extinguishment of debt. Gain On Extinguishment of Debt Gain on extinguishment of debt Amount of unrealized gain (loss) on fair value measurement of debt. Fair Value Measurement of Debt, Unrealized Gain (Loss) Change in fair value of convertible debt Unrealized Gain (Loss) on Derivatives Change in fair value of derivative liabilities Fair value gain/(loss) Change in fair value of derivative liabilities Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Gain on settlement of contingent consideration Gain on settlement of contingent consideration The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of forward purchase agreement put option liabilities, held at each balance sheet date, that was included in earnings for the period. Unrealized Gain (Loss) on Derivatives, Liabilities, Forward Purchase Agreement Change in fair value of forward purchase agreement Amount of expense (income) related to adjustment to fair value of shares settled liability under settlement agreement. Fair Value Adjustment of Other Payables, Settlement Agreement Change in fair value on Section 3(a)(10) Settlement Agreement (Note 9) Change in fair value on 3(a)(10) Settlement Agreement (Note 6) Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Loss on disposal of business Gain (loss) on disposal of business Income (Loss) from Equity Method Investments Equity in earnings of equity method investee Equity in earnings of equity method investee Equity Securities, FV-NI, Gain (Loss) Change in fair value of investment in equity securities Change in fair value of investment in equity securities Unrealized gain on investment Other Nonoperating Income (Expense) Other income (expense), net Nonoperating Income (Expense) Other (expense) income, net Total other income (expense), net Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Loss from operations before income taxes Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Loss from continuing operations Net loss from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest Less: net income (loss) from continuing operations attributable to non-controlling interest Less: net income (loss) from continuing operations attributable to non-controlling interest Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Net loss from continuing operations Discontinued operations Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, before Income Tax Net loss from discontinued operations before income taxes Gain (loss) from discontinued operations Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax Gain on disposal of discontinued operation Discontinued Operation, Tax Effect of Discontinued Operation Income tax benefit (provision) Income tax on discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Income from discontinued operation, net of tax Less: Income/ Loss on discontinuing operatio Less: net income from discontinued operations attributable to non-controlling interest Less: net income from discontinued operations attributable to non-controlling interest Less: net income from discontinued operations attributable to non-controlling interest Comprehensive income from discontinued operations, net of tax - Noncontrolling interests Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Net income from discontinued operation, net of tax Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Net income (loss) Net Income (loss) from continuing and discontinuing operations Net loss Net Income (Loss) Attributable to Noncontrolling Interest Less: net income from continuing and discontinued operations attributable to non-controlling interest Net Income (loss) attributable to ConnectM Technology Solutions, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Other comprehensive income (loss): Amount after tax and reclassification adjustments of gain (loss) pursuant to discontinued operations on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Other Comprehensive Income (Loss) From Discontinued Operations, Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign currency translation adjustments Foreign currency translation adjustments for discontinued operations Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive gain (loss) before noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive loss attributable to ConnectM Technology Solutions, Inc. Weighted Average Number of Shares Outstanding, Basic Weighted average shares outstanding of common stock, basic (in shares) Income (Loss) from Continuing Operations, Per Basic Share Basic net loss per share, common stock for continuing operations ( in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Diluted net loss per share, common stock for continuing operations ( in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Basic net loss per share, common stock for discontinued operations (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Diluted net loss per share, common stock for discontinued operations (in dollars per share) CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY Equity Components [Axis] Equity Component [Domain] Parent [Member] Stockholders' Equity/(Deficit) Common Stock [Member] Common Stock Additional Paid-in Capital [Member] Additional Paid-In Capital Retained Earnings [Member] Accumulated Deficit AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) Noncontrolling Interest [Member] Noncontrolling interest Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Shares, Outstanding Ending balance (in shares) Beginning balance (in shares) Equity impact of the value of new stock issued during the period pursuant to standby equity purchase agreement. Stock Issued During Period, Value, Standby Equity Purchase Agreement Issuance of common stock in connection with the conversion of SEPA convertible debt Number of new stock issued during the period pursuant to standby equity purchase agreement. Stock Issued During Period, Shares, Standby Equity Purchase Agreement Issuance of common stock in connection with the conversion of SEPA convertible debt (in shares) Amount of commitment shares issued in connection with the acquisition of convertible debt. Stock Issued During Period, Value, Commitment Shares, Upon Acquisition Of Convertible Debt Issuance of commitment shares in connection with convertible debt Number of commitment shares issued in connection with the acquisition of convertible debt. Stock Issued During Period, Shares, Commitment Shares, Upon Acquisition Of Convertible Debt Issuance of commitment shares in connection with convertible debt (in shares) Value of stock issued during the period as part of settlement agreement. Stock Issued During Period, Value, Settlement Agreement Issuance of common stock to settle claim under Section 3(a)10 Settlement Agreement (see Note 9) Number of shares of stock issued during the period as part of settlement agreement. Stock Issued During Period, Shares, Settlement Agreement Issuance of common stock to settle claim under Section 3(a)10 Settlement Agreement (see Note 9) (in shares) Value of stock issued to settle share reset derivative liabilities. Stock Issued During Period, Value, Issued for Share Reset Derivative Liabilities Issuance of common stock to settle share reset derivative liabilities (see Note 9) Number of shares issued to settle share reset derivative liabilities. Stock Issued During Period, Shares, Issued for Share Reset Derivative Liabilities Issuance of common stock to settle share reset derivative liabilities (see Note 9) (in shares) Equity impact of the value of new stock issued during the period in connection with extinguish obligations to vendors and lenders. Stock Issued During Period, Value, Issued For Extinguish Obligations To Vendors And Lender Issuance of common stock to extinguish obligations to vendors and lenders under 3a10 plan Number of new stock issued during the period in connection with extinguish obligations to vendors and lenders. Stock Issued During Period, Shares, Issued For Extinguish Obligations To Vendors And Lenders Issuance of common stock to extinguish obligations to vendors and lenders under 3a10 plan (in shares) Stock Issued During Period, Value, Conversion of Convertible Securities Issuance of common stock in connection with the conversion of convertible debt and accrued interest 3a9 Stock Issued During Period, Shares, Conversion of Convertible Securities Issuance of common stock in connection with the conversion of convertible debt and accrued interest 3a9 (in shares) Value of shares issued for settlement of vendors obligation classified in accounts payable. Stock Issued During Period, Value, Settlement Of Accounts Payable Vendors Issuance of common stock in connection with share exchange agreement to settled accounts payable vendors Number of shares issued for settlement of vendors obligation classified in accounts payable. Stock Issued During Period, Shares, Settlement Of Accounts Payable Vendors Issuance of common stock in connection with share exchange agreement to settled accounts payable vendors (in shares) Equity impact of the value of new stock issued during the period to board of directors and employees. Stock Issued During Period, Value, Issued To Board Of Directors And Employees Issuance of common stock to BOD and employees Number of new stock issued during the period to board of directors and employees. Stock Issued During Period, Shares, Issued To Board Of Directors And Employees Issuance of common stock to BOD and employees (in shares) Value of stock issued pursuant to an equity method investment entered during the period. Stock Issued During Period, Value, Equity Method Investment Issuance of common stock in connection with equity method investment in Sun Solar Number of shares of stock issued during the period pursuant to an equity method investment. Issuance of common stock in connection with equity method investment in Sun Solar Issuance of common stock in connection with equity method investment in Sun Solar (in shares) Equity impact of the value of new stock issued during the period in connection with stock subscription. Stock Issued During Period, Value, Issued For Stock Subscription Issuance of common stock in connection with stock subscription Number of new stock issued during the period in connection with stock subscription. Stock Issued During Period, Shares, Issued For Stock Subscription Issuance of common stock in connection with stock subscription (in shares) Noncontrolling Interest, Decrease from Deconsolidation Decrease in noncontrolling interest from sale of subsidiary equity Stock Issued During Period, Shares, New Issues Common Share Issuable (in shares) Stock Issued During Period, Value, Acquisitions Issuance of common stock in connection with acquisition Stock Issued During Period, Shares, Acquisitions Issuance of common stock in connection with acquisition (in shares) Adjustments to the number of shares during the period as a result of a reverse stock split. Stock Issued During Period, Shares, Adjustments Due to Reverse Stock Splits Fractional share adjustment due to reverse stock split (in shares) Amount of increase (decrease) in noncontrolling interest from a business combination. Noncontrolling Interest Increase Decrease From Business Combination Increase (decrease) in non-controlling interest from business combination Stock Issued During Period, Value, Issued for Services Issuance of common stock to vendors Stock Issued During Period, Shares, Issued for Services Issuance of common stock to vendors (in shares) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax Release of cumulative translation adjustment on deconsolidation of GIX Cumulative translation adjustments reclassified from accumulated other comprehensive loss Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Other comprehensive income Amount after tax of other comprehensive income (loss) from discontinuing operations. Other Comprehensive Income (Loss), from Discontinuing Operations, Net of Tax Other comprehensive income from discontinuing operations Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Net loss from continuing and discontinued operations CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Disposal Group Name [Axis] Disposal Group Name [Domain] Represents information pertaining to Green Energy Gains ("GEG"). Green Energy Gains [Member] Green Energy Gains Represents information pertaining to HVAC business assets and operations. HVAC Business Assets And Operations [Member] HVAC business assets and operations Net Cash Provided by (Used in) Operating Activities [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Depreciation, Depletion and Amortization Depreciation and amortization expense Amortization of Debt Discount (Premium) Amortization of debt discount