Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Space Space [Member] Space Maximum Maximum [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Common stock weighted-average closing price, threshold consecutive trading days Business Combination, Common Stock Weighted-Average Closing Price, Threshold Consecutive Trading Days Business Combination, Common Stock Weighted-Average Closing Price, Threshold Consecutive Trading Days Statistical Measurement [Domain] Statistical Measurement [Domain] Title of 12(b) Security Title of 12(b) Security Carrying Amount Reported Value Measurement [Member] Net loss attributable to shareholders - diluted Net loss attributable to shareholders - diluted Net Income (Loss) Available to Common Stockholders, Diluted Document Fiscal Year Focus Document Fiscal Year Focus Period over which backlog revenue is expected to be recognized Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Adjustment to Compensation, Amount Adjustment to Compensation Amount Financial Instrument [Axis] Financial Instrument [Axis] Fair value Other Assets, Fair Value Disclosure Customer [Axis] Customer [Axis] Segment Reporting [Abstract] X B-1 Term Loan X First Lien Senior Credit Facilities, X B-1 Term Loan X First Lien Senior Credit Facilities, X B-1 Term Loan [Member] X First Lien Senior Credit Facilities, X B-1 Term Loan Schedule of Assets Measured at Fair Value on a Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Common stock Common Stock, Value, Issued Taxes paid related to net share settlement of equity awards Payment, Tax Withholding, Share-Based Payment Arrangement Payroll & employee benefit accruals Employee-related Liabilities, Current Schedule of Debt Schedule of Long-Term Debt Instruments [Table Text Block] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Series M SpaceX Redeemable Convertible Preferred Stock, Series M [Member] SpaceX Redeemable Convertible Preferred Stock, Series M Leases Lessee, Finance Leases [Text Block] Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date SpaceX Redeemable Convertible Preferred Stock SpaceX Redeemable Convertible Preferred Stock [Member] SpaceX Redeemable Convertible Preferred Stock Transfer of equity in business combination Transfer of Equity in Business Combination, Value Transfer of Equity in Business Combination, Value Total debt and finance leases, net Long-Term Debt and Lease Obligation, Including Current Maturities Common stock and redeemable convertible preferred stock repurchased Stock Repurchased and Retired During Period and Temporary Equity Repurchased, Value Stock Repurchased and Retired During Period and Temporary Equity Repurchased, Value Series A SpaceX Redeemable Convertible Preferred Stock, Series A [Member] SpaceX Redeemable Convertible Preferred Stock, Series A Schedule of Prepaid Expenses and Other Current Assets Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Amendment Flag Amendment Flag Goodwill [Line Items] Goodwill [Line Items] Current liabilities Liabilities, Current [Abstract] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Principal repayments on finance leases Finance Lease, Principal Payments Conversion of redeemable convertible preferred stock pursuant to xAI Merger Conversion of Redeemable Convertible Preferred Stock due to Merger [Member] Conversion of Redeemable Convertible Preferred Stock due to Merger Proceeds from issuance of capital stock, net of issuance costs Proceeds from Issuance of Capital Stock, Net of Issuance Costs Proceeds from Issuance of Capital Stock, Net of Issuance Costs Loss Contingencies [Table] Loss Contingencies [Table] Leases [Abstract] Conversion between classes of common stock Conversion of Common Stock between Classes [Member] Conversion of Common Stock between Classes Related Party Transactions Related Party Transactions Disclosure [Text Block] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Property, Plant, and Equipment [Abstract] Entity Address, State or Province Entity Address, State or Province Number of plaintiffs Loss Contingency, Number of Plaintiffs Launch sites Launch Sites [Member] Launch Sites Change in foreign currency translation adjustments, net of tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent PEO Total Compensation Amount PEO Total Compensation Amount Common stock, par value (in USD per share) Common Stock, Par or Stated Value Per Share Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Total Assets, Fair Value Disclosure [Abstract] Capital expenditures Segment Reporting, Long-Lived Asset, Expenditure for Addition Cash and cash equivalents Cash and Cash Equivalents [Abstract] Long-term liabilities Liabilities, Noncurrent [Abstract] Intangible assets, net Intangible Asset, Excluding Goodwill, after Accumulated Amortization Outstanding awards (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Proceeds from product rebates Proceeds from Product Rebates Proceeds from Product Rebates Share Repurchase Program [Domain] Share Repurchase Program [Domain] Weighted average shares of common stock outstanding - basic (in shares) Weighted average shares of common stock outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Loss Contingencies [Line Items] Loss Contingencies [Line Items] Series H SpaceX Redeemable Convertible Preferred Stock, Series H [Member] SpaceX Redeemable Convertible Preferred Stock, Series H Number of reportable segments Number of Reportable Segments Total current liabilities Liabilities, Current Work-in-progress Inventory, Work in Process, Net of Reserves Advertising customer relationships Customer Relationships [Member] xAI Floating Rate Term Loan xAI Floating Rate Term Loan [Member] xAI Floating Rate Term Loan Total finance lease expense Finance Lease, Expense Finance Lease, Expense Concentration Risk [Table] Concentration Risk [Table] Entity Address, City or Town Entity Address, City or Town Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Statement of Financial Position [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Products Product [Member] Class of Stock [Axis] Class of Stock [Axis] Series E xAI Redeemable Convertible Preferred Stock, Series E [Member] xAI Redeemable Convertible Preferred Stock, Series E Net Carrying Value Intangible Asset, Finite-Lived, after Accumulated Amortization Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net loss attributable to shareholders - basic Net loss attributable to shareholders - basic Net Income (Loss) Available to Common Stockholders, Basic Series B-1 SpaceX Redeemable Convertible Preferred Stock, Series B-1 [Member] SpaceX Redeemable Convertible Preferred Stock, Series B-1 Revenue from Contract with Customer Benchmark Revenue from Contract with Customer Benchmark [Member] Level II Fair Value, Inputs, Level 2 [Member] Accumulated Amortization Intangible Asset, Finite-Lived, Accumulated Amortization Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Customer A Customer A [Member] Customer A Conversion of redeemable convertible preferred stock Temporary Equity, Value, Conversion of Convertible Securities Temporary Equity, Value, Conversion of Convertible Securities Concentration Risk Type [Axis] Concentration Risk Type [Axis] Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Share-based compensation capitalized in property, plant, and equipment, net Share-based compensation expense capitalized Share-Based Payment Arrangement, Amount Capitalized Transfer of equity in business combination (in shares) Transfer of Equity in Business Combination, Shares Transfer of Equity in Business Combination, Shares Series C SpaceX Redeemable Convertible Preferred Stock, Series C [Member] SpaceX Redeemable Convertible Preferred Stock, Series C Subsidiary or Equity Method Investee, Sale of Stock, Type [Table] Subsidiary or Equity Method Investee, Sale of Stock, Type [Table] Recent Accounting Pronouncements / Recently adopted accounting pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Litigation Case [Axis] Litigation Case [Axis] Purchases of property, plant, and equipment included in accrued expenses and accounts payable Capital Expenditures Incurred but Not yet Paid Deferred revenue Increase (Decrease) in Contract with Customer, Liability Schedule of Segment Information Segment Reporting [Table Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Thereafter Long-Term Debt, Maturity, after Year Four Long-Term Debt, Maturity, after Year Four Unsecured Debt Unsecured Debt [Member] Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Axis] Cloud Services Arrangements Revenue from Contract with Customer [Policy Text Block] Other comprehensive income (loss) Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Schedule of Accrued Expenses and Other Current Liabilities Schedule of Accrued Liabilities [Table Text Block] X 2030 Notes X 2030 Notes [Member] X 2030 Notes X 2027 Notes X 2027 Notes [Member] X 2027 Notes Fair value Prepaid Expense and Other Current Assets, Fair Value Disclosure Prepaid Expense and Other Current Assets, Fair Value Disclosure Bret Johnsen [Member] Bret Johnsen Debt Instrument, Redemption, Period Two Debt Instrument, Redemption, Period Two [Member] Total debt, net Long-Term Debt Property, Plant, and Equipment, Net Property, Plant, and Equipment [Text Block] Supplemental schedule of noncash investing and financing activities Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] SpaceX Credit Facility SpaceX Credit Facility [Member] SpaceX Credit Facility Document Period End Date Document Period End Date 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] Repurchase of redeemable convertible preferred stock Temporary Equity, Value, Repurchased Temporary Equity, Value, Repurchased Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Aggregate principal amount Debt Instrument, Face Amount Series C xAI Redeemable Convertible Preferred Stock, Series C [Member] xAI Redeemable Convertible Preferred Stock, Series C Redeemable Convertible Preferred Stock and Shareholders’ Equity Equity [Text Block] Conversion of Stock, Name [Domain] Conversion of Stock, Name [Domain] Investments, All Other Investments [Abstract] Costs and expenses Costs and Expenses [Abstract] Redeemable convertible preferred stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Redeemable convertible preferred stock outstanding (in shares) Temporary Equity, Shares Outstanding Security Exchange Name Security Exchange Name Maturity/ term of debt Debt Instrument, Term Effective interest rate Debt Instrument, Interest Rate, Effective Percentage Total Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member] Megapack Products Megapack Products [Member] Megapack Products Equity investments without readily determinable fair value exercise period, threshold trading days Equity Securities without Readily Determinable Fair Value, Exercise Period, Threshold Trading Days Equity Securities without Readily Determinable Fair Value, Exercise Period, Threshold Trading Days Repurchase of redeemable convertible preferred stock (in shares) Redeemable convertible preferred stock repurchased (in shares) Temporary Equity, Shares, Repurchased Temporary Equity, Shares, Repurchased 2028 Unrecorded Unconditional Purchase Obligation, to be Paid, Year Two Purchases of marketable securities Payments to Acquire Marketable Securities Variable Rate Option Two Variable Rate Option Two [Member] Variable Rate Option Two Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Class B Common Stock Class B Common Class B [Member] Consolidation Items [Domain] Consolidation Items [Domain] Operating lease liabilities, current Operating Lease, Liability, Current Accrued interest Interest Payable, Current Schedule of Property, Plant, and Equipment, Net Property, Plant, and Equipment [Table Text Block] Statement of Comprehensive Income [Abstract] Finance lease right-of-use assets Finance Lease, Right-of-Use Asset, after Accumulated Amortization Earnings per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Duration fee percentage on fifteen-month anniversary Debt Instrument, Duration Fee Percentage, Fifteen Month Anniversary Debt Instrument, Duration Fee Percentage, Fifteen Month Anniversary Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Series A-1 xAI Redeemable Convertible Preferred Stock, Series A-1 [Member] xAI Redeemable Convertible Preferred Stock, Series A-1 Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Total liabilities Liabilities Trading Symbol Trading Symbol Stated Margin Stated Margin [Member] Stated Margin Federal Funds Rate Federal Funds Rate [Member] Federal Funds Rate Indefinite-lived intangible assets Intangible Asset, Excluding Goodwill, Indefinite-Lived Purchases of property, plant, and equipment (related party of $329 and $101 for June 30, 2026 and 2025, respectively) Purchases of property, plant, and equipment Payments to Acquire Property, Plant, and Equipment Unrealized (gain) loss on digital assets Crypto Asset, Unrealized Gain (Loss), Nonoperating Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Series F SpaceX Redeemable Convertible Preferred Stock, Series F [Member] SpaceX Redeemable Convertible Preferred Stock, Series F Company Selected Measure Name Company Selected Measure Name Sale of Stock [Domain] Sale of Stock [Domain] Schedule of Restricted Cash Restrictions on Cash and Cash Equivalents [Table Text Block] Income Tax Disclosure [Abstract] 2029 Unrecorded Unconditional Purchase Obligation, to be Paid, Year Three Concentration Risk [Line Items] Concentration Risk [Line Items] Total debt, principal Total debt, principal Long-Term Debt, Gross Credit Facility [Domain] Credit Facility [Domain] Related Party Transactions [Abstract] Cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Enterprise & Government Enterprise and Government [Member] Enterprise and Government Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Impairment and loss on disposal of fixed assets, net Gain (Loss) on Sale of Assets and Asset Impairment Charges Weighted average shares of common stock outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Other Financings Other Financings [Member] Other Financings Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Number of classes of preferred stock Preferred Stock, Number of Classes Preferred Stock, Number of Classes Amounts borrowed Proceeds from Lines of Credit Deferred income taxes Deferred Income Taxes and Tax Credits Antonio J. Gracias [Member] Antonio J. Gracias Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Series B xAI Redeemable Convertible Preferred Stock, Series B [Member] xAI Redeemable Convertible Preferred Stock, Series B Series J SpaceX Redeemable Convertible Preferred Stock, Series J [Member] SpaceX Redeemable Convertible Preferred Stock, Series J Revenue from Contract with Customer [Abstract] Impairment Impairment charges Long-Lived Asset, Held and Used, Impairment Loss Award Timing Predetermined Award Timing Predetermined [Flag] Jane Doe v. X.AI Corp. and X.AI LLC and Jane Doe 1 et al. v. X.AI Corp. and X.AI LLC Jane Doe v. X.AI Corp. and X.AI LLC and Jane Doe 1 et al. v. X.AI Corp. and X.AI LLC [Member] Jane Doe v. X.AI Corp. and X.AI LLC and Jane Doe 1 et al. v. X.AI Corp. and X.AI LLC Restricted cash included in prepaid expenses and other current assets Restricted Cash, Current Intangible Asset, Goodwill and Other [Abstract] Letters of credit outstanding Letters of Credit Outstanding, Amount Severance and other personnel costs Severance Costs Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] X B-3 Term Loan X First Lien Senior Credit Facilities, X B-3 Term Loan X First Lien Senior Credit Facilities, X B-3 Term Loan [Member] X First Lien Senior Credit Facilities, X B-3 Term Loan Share-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Level I Fair Value, Inputs, Level 1 [Member] Effective tax rate Effective Income Tax Rate Reconciliation, Percent Organization, Consolidation and Presentation of Financial Statements [Abstract] Mesh Optical Technologies Corporation Mesh Optical Technologies Corporation [Member] Mesh Optical Technologies Corporation xAI 12.5% Secured Senior Notes xAI 12.5% Secured Senior Notes [Member] xAI 12.5% Secured Senior Notes All Executive Categories All Executive Categories [Member] Repurchase of common stock Common stock repurchased Stock Repurchased and Retired During Period, Value Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Preferred stock, par value (in USD per share) Preferred Stock, Par or Stated Value Per Share Long-term debt Long-Term Debt, Fair Value Depreciation expense Depreciation Issuance price percentage of principal Debt Instrument, Issuance Price, Percentage of Principal Amount Debt Instrument, Issuance Price, Percentage of Principal Amount Antidilutive Securities [Axis] Antidilutive Securities [Axis] Variable Rate Option [Domain] Variable Rate Option [Domain] Variable Rate Option [Domain] Repayment period after receiving IPO proceeds Debt Instrument, Repayment Terms, Period Following Initial Public Offering Proceeds Debt Instrument, Repayment Terms, Period Following Initial Public Offering Proceeds Concentration Risk Type [Domain] Concentration Risk Type [Domain] Schedule of Common Stock Reserved Capital Shares Reserved for Future Issuance [Table Text Block] Capital Shares Reserved for Future Issuance Schedule of Redeemable Convertible Preferred Stock Temporary Equity [Table Text Block] Schedule of Basic and Diluted Net Loss per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Launch & Development Launch and Development [Member] Launch and Development Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Bitcoin cost basis Crypto Asset, Cost Debt and finance leases, current (related party of $2,039 and $455 at June 30, 2026 and December 31, 2025, respectively) Debt and finance leases, current Less: Short-term portion Long-Term Debt and Lease Obligation, Current Segments Segment Reporting [Text Block] Investments in Unconsolidated Affiliates Investment in Debt and Equity Securities and Other Trading Assets [Text Block] Loan borrowings Long-Term Line of Credit Minimum Minimum [Member] Expiration Date Trading Arrangement Expiration Date 2030 Long-Term Debt, Maturity, Year Four Fair Value Investments, Fair Value Disclosure Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] X First Lien Senior Credit Facilities X First Lien Senior Credit Facilities [Member] X First Lien Senior Credit Facilities Weighted average shares used in computing net loss per share of common stock Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Location, Statement of Income, Balance [Axis] Location, Statement of Income, Balance [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Fair value Cash and Cash Equivalents, Fair Value Disclosure Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Number of patents found infringed Loss Contingency, Patents Found Infringed, Number Unbilled receivables Unbilled Receivables, Current Satellites Satellites [Member] Satellites Affiliated Entity Affiliated Entity [Member] Business Combination [Line Items] Business Combination [Line Items] Loss contingency estimate Loss Contingency, Estimate of Possible Loss Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Common stock authorized (in shares) Common Stock, Shares Authorized Number of failed sale-leaseback transactions Number of Failed Sale-Leaseback Transactions Number of Failed Sale-Leaseback Transactions Number of tranches Debt Instrument, Number of Tranches Debt Instrument, Number of Tranches Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Weighted-Average Useful Life (in years) Intangible Asset, Finite-Lived, Useful Life Stock issued and sold (in shares) Sale of Stock, Number of Shares Issued in Transaction Schedule of Carrying Amounts and Fair Values of Long-Term Fixed-Rate Debt Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Exercise Price Award Exercise Price Series I SpaceX Redeemable Convertible Preferred Stock, Series I [Member] SpaceX Redeemable Convertible Preferred Stock, Series I Cash flows from investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Segment Reporting [Line Items] Segment Reporting [Line Items] Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Accrued expenses and other current liabilities Accrued Liabilities, Current [Abstract] Segments [Domain] Segments [Domain] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Temporary Equity [Line Items] Temporary Equity [Line Items] Government securities US States and Political Subdivisions Debt Securities [Member] Number of Bitcoin units held Crypto Asset, Number of Units Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Advertising Advertising [Member] Repayments on debt and other financing obligations Debt purchased Repayments of Long-Term Debt Unamortized deferred financing costs Debt Issuance Costs, Net Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Beginning balance Ending balance Restructuring Reserve Series N SpaceX Redeemable Convertible Preferred Stock, Series N [Member] SpaceX Redeemable Convertible Preferred Stock, Series N Business Combination [Table] Business Combination [Table] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Secured Debt Secured Debt [Member] Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Net proceeds of offering Sale of Stock, Consideration Received on Transaction Total costs and expenses Costs and Expenses Adoption Date Trading Arrangement Adoption Date Investments in unconsolidated affiliates Payments to Acquire Equity Method Investments Interest rate Debt Instrument, Interest Rate, Stated Percentage Counterparty Name [Domain] Counterparty Name [Domain] Total shareholders’ equity Balance, beginning of period Balance, end of period Equity, Attributable to Parent Finance lease expense: Finance Lease, Expense [Abstract] Finance Lease, Expense xAI Fixed Rate Term Loan xAI Fixed Rate Term Loan [Member] xAI Fixed Rate Term Loan Assets Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Shares issuable as consideration (in shares) Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares Fee amount Debt Instrument, Fee Amount Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Series K SpaceX Redeemable Convertible Preferred Stock, Series K [Member] SpaceX Redeemable Convertible Preferred Stock, Series K Underwriting commissions and offering costs Payments of Stock Issuance Costs Insider Trading Policies and Procedures [Line Items] Total debt and finance leases, net of current, principal Long-Term Debt and Lease Obligation, Gross Long-Term Debt and Lease Obligation, Gross Finance lease liability Finance Lease, Liability Accounts receivable, allowance for credit losses Accounts Receivable, Allowance for Credit Loss, Current Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Damages awarded Loss Contingency, Damages Awarded, Value Property plant, and equipment purchased Property, Plant, and Equipment, before Accumulated Depreciation, Addition Prepaid expenses and other current assets Cost Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Selling, general, and administrative Selling, General and Administrative Expense Balance Sheet Components Supplemental Balance Sheet Disclosures [Text Block] Alternate Base Rate Alternate Base Rate [Member] Alternate Base Rate Business Combination [Domain] Business Combination [Domain] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Table] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Table] Letter of Credit Letter of Credit [Member] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accrual for estimated litigation losses Estimated Litigation Liability Potentially dilutive securities excluded from the calculation (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Number of operating segments Number of Operating Segments Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Schedule of Potentially Dilutive Securities Excluded from Calculation of Diluted Net Loss Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of Goodwill Goodwill [Table Text Block] Entity Central Index Key Entity Central Index Key Weighted Average Weighted Average [Member] Series L SpaceX Redeemable Convertible Preferred Stock, Series L [Member] SpaceX Redeemable Convertible Preferred Stock, Series L Less: Accumulated depreciation Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Bitcoin fair value Crypto Asset, Fair Value All Adjustments to Compensation All Adjustments to Compensation [Member] Business Combination [Axis] Business Combination [Axis] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Percentage of backlog revenue expected to be recognized Revenue, Remaining Performance Obligation, Percentage 2026 (remaining six months) Long-Term Debt, Maturity, Remainder of Fiscal Year Income Statement [Abstract] Shareholders’ equity Equity, Attributable to Parent [Abstract] Document Transition Report Document Transition Report Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Deferred tax assets Deferred Income Tax Assets, Net Entity Listings [Line Items] Entity Listings [Line Items] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Schedule of Finite-Lived Intangible Assets Intangible Asset, Finite-Lived [Table Text Block] Margin rate Debt Instrument, Basis Spread on Variable Rate City Area Code City Area Code Variable Rate [Domain] Variable Rate [Domain] Debt Instrument, Redemption, Period One Debt Instrument, Redemption, Period One [Member] Accumulated Other Comprehensive Income AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Name Forgone Recovery, Individual Name Finished goods Inventory, Finished Goods, Net of Reserves Entity Listings [Table] Entity Listings [Table] Share Repurchases from Existing Shareholders Share Repurchases from Existing Shareholders [Member] Share Repurchases from Existing Shareholders Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Statement [Line Items] Statement [Line Items] Total assets Assets Call Option Call Option [Member] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Common Stock reserved (in shares) Common Stock, Capital Shares Reserved for Future Issuance Operating Segments Operating Segments [Member] Interest expense (related party of $327 and $— for the three months ended June 30, 2026 and 2025, respectively, and $513 and $— for the six months ended June 30, 2026 and 2025, respectively) Interest expense Interest expense Interest Expense, Nonoperating Schedule of Share-Based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Equity investments without readily determinable fair value Equity instrument without readily determinable fair value Equity Securities without Readily Determinable Fair Value, Amount Performance and Market-Based Awards Performance and Market-Based Awards [Member] Performance and Market-Based Awards Variable Rate Option [Axis] Variable Rate Option [Axis] Variable Rate Option Share-Based Compensation Share-Based Payment Arrangement [Text Block] Series G SpaceX Redeemable Convertible Preferred Stock, Series G [Member] SpaceX Redeemable Convertible Preferred Stock, Series G xAI Redeemable Convertible Preferred Stock xAI Redeemable Convertible Preferred Stock [Member] xAI Redeemable Convertible Preferred Stock Rebates and credits Rebates and Credits, Current Rebates and Credits, Current Nature of Business Nature of Operations [Text Block] Common stock issued, net (in shares) Stock Issued During Period, Shares, New Issues PEO PEO [Member] 2028 Long-Term Debt, Maturity, Year Two Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Share-based compensation expense Share-Based Payment Arrangement, Expense Measurement Basis [Axis] Measurement Basis [Axis] Repurchase of common stock (in shares) Common stock repurchased (in shares) Stock Repurchased and Retired During Period, Shares Marketable Securities, Current Marketable Securities, Current Other liabilities Other Liabilities, Noncurrent Goodwill Beginning balance Ending balance Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Business combination Goodwill, Acquired During Period Cost Investments Class C Common Stock Class C Common Class C [Member] Revenue recognized that was part of deferred revenue Contract with Customer, Liability, Revenue Recognized Tax related liabilities Taxes Payable, Current Accumulated Deficit Retained Earnings [Member] Revolving Credit Facility Revolving Credit Facility [Member] Money Market Funds Money Market Funds [Member] AI Solutions & Infrastructure AI Solutions and Infrastructure [Member] AI Solutions and Infrastructure Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Shareholders’ Equity Common Stock Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Balances, beginning of period (in shares) Balances, end of period (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Other adjustments Restructuring Reserve, Translation and Other Adjustment Payment of debt issuance costs Payments of Debt Issuance Costs Diluted (in USD per share) Earnings Per Share, Diluted Entity Current Reporting Status Entity Current Reporting Status Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Loan forgiveness interval Loan Forgiveness Interval Loan Forgiveness Interval Total Shareholder Return Amount Total Shareholder Return Amount Number of segments Concentration Risk, Number of Segments Concentration Risk, Number of Segments Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Interest capitalized Interest Costs Capitalized Other assets Other Assets, Noncurrent [Abstract] Litigation Case [Domain] Litigation Case [Domain] Amortization expense associated with finite-lived intangible assets Intangible Asset, Finite-Lived, Amortization Expense Acquired workforce Acquired Workforce [Member] Acquired Workforce Intangible Asset, Finite-Lived [Line Items] Intangible Asset, Finite-Lived [Line Items] Research and development Research and Development Expense Extension fee percentage Debt Instrument, Extension Fee Percentage Debt Instrument, Extension Fee Percentage Adjustments to reconcile net loss to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] 2029 Long-Term Debt, Maturity, Year Three Redeemable convertible preferred stock, par value (in USD per share) Temporary Equity, Par or Stated Value Per Share IPO IPO [Member] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Share-Based Payment Arrangement [Abstract] Cash flows from financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Revenue Total revenues Revenue from Contract with Customer, Excluding Assessed Tax Property, plant, and equipment, net Property, plant, and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Debt Instrument, Redemption, Period Three Debt Instrument, Redemption, Period Three [Member] Unused commitment fee percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Data center infrastructure Data Center Infrastructure [Member] Data Center Infrastructure Capital Shares Reserved For Issuance, By Type [Domain] Capital Shares Reserved For Issuance, By Type [Domain] Capital Shares Reserved For Issuance, By Type [Domain] Financial Instruments [Domain] Financial Instruments [Domain] Surety Bond Surety Bond [Member] Schedule of Revenue from Significant Customers Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Table Text Block] Schedule of Changes in the Restructuring Liabilities Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Tax related assets Prepaid Taxes and Taxes Receivable, Current Prepaid Taxes and Taxes Receivable, Current Inventory Inventory Disclosure [Text Block] Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Intangible Assets and Goodwill Intangible Asset and Goodwill [Text Block] Underlying Securities Award Underlying Securities Amount Fair Value Estimate of Fair Value Measurement [Member] Revenue Revenue from Contract with Customer [Text Block] Common stock issued, net Stock Issued During Period, Value, New Issues Common stock conversion ratio Common Stock, Conversion Ratio Common Stock, Conversion Ratio Prepaid assets Prepaid Expense, Current Proceeds from employee equity award plans Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Including Option Exercised Series D xAI Redeemable Convertible Preferred Stock, Series D [Member] xAI Redeemable Convertible Preferred Stock, Series D Financial Instruments Financial Instruments Disclosure [Text Block] Construction-in-progress Construction in Progress [Member] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Line Items] Other investing activities, net Payment for (Proceeds from) Other Investing Activity Inventory Increase (Decrease) in Inventories Customer B Customer B [Member] Customer B Equity investments without readily determinable fair value exercise period Equity Securities without Readily Determinable Fair Value, Exercise Period Equity Securities without Readily Determinable Fair Value, Exercise Period Vidstream LLC Vidstream LLC [Member] Vidstream LLC Segment Reporting [Table] Segment Reporting [Table] X 2027 and X 2030 Notes X 2027 and X 2030 Notes [Member] X 2027 and X 2030 Notes Schedule of Future Principal Maturities of Debt Schedule of Maturities of Long-Term Debt [Table Text Block] Related Party Transaction [Table] Related Party Transaction [Table] Servers and networking equipment Computer Equipment [Member] Sale of Stock [Axis] Sale of Stock [Axis] Cash Cash [Member] Schedule of Lease Expense Lease, Cost [Table Text Block] Other current assets Other Assets, Current Average interest rate Long-Term Debt, Weighted Average Interest Rate, at Point in Time Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Cash paid for the following: Interest Paid and Income Tax Paid [Abstract] Interest Paid and Income Tax Paid Loss from operations Operating Income (Loss) Services Service [Member] Series B SpaceX Redeemable Convertible Preferred Stock, Series B [Member] SpaceX Redeemable Convertible Preferred Stock, Series B Backlog revenue Revenue, Remaining Performance Obligation, Amount Current Fiscal Year End Date Current Fiscal Year End Date License purchase agreement, spectrum frequency License Purchase Agreement, Spectrum Frequency License Purchase Agreement, Spectrum Frequency Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Acquisitions Business Combination [Text Block] Gwynne Shotwell [Member] Gwynne Shotwell Vehicles Vehicles [Member] Issuance of redeemable convertible preferred stock Temporary Equity, Stock Issued During Period, Value, New Issues Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Total Unrecorded Unconditional Purchase Obligation Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Land, buildings and improvements Land, Buildings and Improvements [Member] Margin rate adjustment Debt Instrument, Basis Spread on Variable Rate Adjustment Debt Instrument, Basis Spread on Variable Rate Adjustment Redemption price spread percentage Debt Instrument, Redemption Price, Basis Spread on Variable Rate Debt Instrument, Redemption Price, Basis Spread on Variable Rate Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Common stock, shares issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Redemption period prior to maturity Debt Instrument, Redemption Period Prior to Maturity Debt Instrument, Redemption Period Prior to Maturity Flight vehicle hardware Flight Equipment [Member] Series A xAI Redeemable Convertible Preferred Stock, Series A [Member] xAI Redeemable Convertible Preferred Stock, Series A Stichting Onderzoek Marktinformatie Collective Action Stichting Onderzoek Marktinformatie Collective Action [Member] Stichting Onderzoek Marktinformatie Collective Action Equity Components [Axis] Equity Components [Axis] Accounts receivable Increase (Decrease) in Accounts Receivable Product and Service [Domain] Product and Service [Domain] Related Party Related Party [Member] Class of Stock [Line Items] Class of Stock [Line Items] Income taxes, net Income Tax Paid, after Refund Received Extension period Debt Instrument, Extension Period Debt Instrument, Extension Period Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Restructuring liabilities Restructuring Reserve, Current Stock Conversion Description [Axis] Stock Conversion Description [Axis] Class A Common Stock Class A Common Class A [Member] Entity Interactive Data Current Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Property, Plant, and Equipment [Line Items] Property, Plant, and Equipment [Line Items] Conversion of redeemable convertible preferred stock to common stock Conversion of Redeemable Convertible Preferred Stock [Member] Conversion of Redeemable Convertible Preferred Stock Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Stock split conversion ratio Stockholders' Equity Note, Stock Split, Conversion Ratio MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other assets Cost Other Assets, Noncurrent Anysphere, Inc. Anysphere, Inc. [Member] Anysphere, Inc. 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] Loss on extinguishment Gain (Loss) on Extinguishment of Debt Accrued expenses and other current liabilities Accrued expenses and other current liabilities Accrued Liabilities, Current Fair Value as of Grant Date Award Grant Date Fair Value Redemption price percentage Debt Instrument, Redemption Price, Percentage Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Number of patents allegedly infringed Loss Contingency, Patents Allegedly Infringed, Number Goodwill [Table] Goodwill [Table] Redeemable Convertible Preferred Stock Increase (Decrease) in Temporary Equity [Roll Forward] Series E SpaceX Redeemable Convertible Preferred Stock, Series E [Member] SpaceX Redeemable Convertible Preferred Stock, Series E Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Proceeds from debt and other financing obligations Additional commitment Proceeds from Issuance of Long-Term Debt Local Phone Number Local Phone Number Deferred revenue, net of current Contract with Customer, Liability, Noncurrent Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Maximum cash consideration per share holder Business Combination, Consideration Transferred, Cash Option, Maximum Amount per Shareholder Business Combination, Consideration Transferred, Cash Option, Maximum Amount per Shareholder Payment of debt extinguishment premium Prepayment penalty Payment for Debt Extinguishment or Debt Prepayment Cost Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies (Note 16) Commitments and Contingencies Gross Carrying Value 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, plant, and equipment Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Machinery and equipment Machinery and Equipment [Member] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Total debt and finance leases, principal Long-Term Debt, Gross and Lease Obligation, Including Current Maturities Long-Term Debt, Gross and Lease Obligation, Including Current Maturities Amortization of leased assets Finance Lease, Right-of-Use Asset, Amortization Issuance of redeemable convertible preferred stock (in shares) Temporary Equity, Stock Issued During Period, Shares, New Issues Temporary Equity, Stock Issued During Period, Shares, New Issues Business Combinations Business Combination [Policy Text Block] Goodwill [Roll Forward] Goodwill [Roll Forward] Counterparty Name [Axis] Counterparty Name [Axis] Liabilities, Redeemable Convertible Preferred Stock, and Shareholders’ Equity Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Duration fee percentage on first anniversary Debt Instrument, Duration Fee Percentage, One Year Anniversary Debt Instrument, Duration Fee Percentage, One Year Anniversary Redeemable convertible preferred stock, par value $0.001; - and 2,351 shares issued; - and 2,046 shares outstanding as of June 30, 2026 and December 31, 2025, respectively Beginning balance Ending balance Temporary Equity, Carrying Amount, Attributable to Parent Marketable securities Marketable Securities [Abstract] Inventory Inventory Inventory, Net All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Interest on lease liabilities Finance Lease, Interest Expense Supplemental disclosures of cash flow information Supplemental Cash Flow Information [Abstract] Failed Sale-Leaseback Transactions Failed Sale-Leaseback Transactions [Member] Failed Sale-Leaseback Transactions Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] PEO Name PEO Name Leasehold improvements Leasehold Improvements [Member] Payments for repurchase of common and redeemable convertible preferred stock Payments for Repurchase of Equity Redeemable convertible preferred stock, shares issued (in shares) Redeemable convertible preferred stock issued (in shares) Temporary Equity, Shares Issued Deferred revenue Contract with Customer, Liability Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Axis] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Cash payments Payments for Restructuring Cash and cash equivalents and restricted cash, beginning of the period Cash and cash equivalents and restricted cash, end of the period Total as presented in the consolidated statements of cash flows Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Mandatory repayment percentage Debt Instrument, Periodic Payment, Percentage Debt Instrument, Periodic Payment, Percentage Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Accounts payable Increase (Decrease) in Accounts Payable Other current liabilities Other Accrued Liabilities, Current Total operating lease expense Operating Lease, Cost, Total Operating Lease, Cost, Total Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] User base User Base [Member] User Base Debt Instrument [Axis] Debt Instrument [Axis] Share-based compensation Share-Based Payment Arrangement, Noncash Expense Total lease expense Lease, Cost Capitalized interest Interest Paid, Capitalized, Investing Activity Conversion of stock (in shares) Conversion of stock (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Thereafter Unrecorded Unconditional Purchase Obligation, to be Paid, after Year Four Unrecorded Unconditional Purchase Obligation, to be Paid, after Year Four Customer [Domain] Customer [Domain] Schedule of Inventory Schedule of Inventory, Current [Table Text Block] Leases Lessee, Operating Leases [Text Block] 2027 Long-Term Debt, Maturity, Year One Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in USD per share) Earnings Per Share, Basic Maturities of marketable securities Proceeds from Maturity of Marketable Securities Proceeds from Maturity of Marketable Securities Restricted cash and deposits Restricted Cash and Deposits Assets, Current Restricted Cash and Deposits Assets, Current Deferred revenue, current Contract with Customer, Liability, Current Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Stichting Data Bescherming Nederland Class Action Stichting Data Bescherming Nederland Class Action [Member] Stichting Data Bescherming Nederland Class Action Cost of revenue Cost of Revenue European Commission Fine European Commission Fine [Member] European Commission Fine Award Type Award Type [Axis] Short-term lease cost Short-Term Lease, Cost Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Purchases of property, plant, and equipment financed by other financings Capital Expenditures Incurred but Not yet Paid, Long-term Debt Capital Expenditures Incurred but Not yet Paid, Long-term Debt Accounts receivable, net of allowance for credit losses of $50 and $39 at June 30, 2026 and December 31, 2025, respectively Accounts Receivable, after Allowance for Credit Loss, Current Unrealized gains (losses) on marketable securities, net of tax Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Accumulated deficit Retained Earnings (Accumulated Deficit) Restructuring and Related Activities [Abstract] Product and Service [Axis] Product and Service [Axis] Series D SpaceX Redeemable Convertible Preferred Stock, Series D [Member] SpaceX Redeemable Convertible Preferred Stock, Series D Launch Services Launch Services [Member] Launch Services Restricted cash included in other assets Restricted Cash, Noncurrent SpaceX Bridge Loan SpaceX Bridge Loan [Member] SpaceX Bridge Loan Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock Common Stock [Member] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Connectivity Connectivity [Member] Connectivity Operating lease expense Operating Lease, Cost Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Symbolic damages sought per person Loss Contingency, Symbolic Damages Sought, Amount Per Plaintiff Loss Contingency, Symbolic Damages Sought, Amount Per Plaintiff 2027 Unrecorded Unconditional Purchase Obligation, to be Paid, Year One Gain on equity investments without readily determinable fair value Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount Percentage of revenue Concentration Risk, Percentage Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Cumulative translation adjustments Goodwill, Foreign Currency Translation, Gain (Loss) Equity Awards Adjustments Equity Awards Adjustments [Member] Schedule of Non-cancelable Contractual Commitments Unrecorded Unconditional Purchase Obligations Disclosure [Table Text Block] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Total liabilities, redeemable convertible preferred stock, and shareholders’ equity Liabilities and Equity Variable lease cost Variable Lease, Cost Youtoo Technologies Youtoo Technologies [Member] Youtoo Technologies AI AI [Member] AI Employee Stock Option Share-Based Payment Arrangement, Option [Member] Restricted Cash Restricted Cash [Member] Restricted Cash Less: Deemed dividend Temporary Equity, Dividends, Adjustment Segments [Axis] Segments [Axis] Other liabilities Increase (Decrease) in Other Operating Liabilities Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Restructuring charges (credits) Restructuring Charges Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Inventory Disclosure [Abstract] Tabular List, Table Tabular List [Table Text Block] Implied equity value of acquiree Business Combination, Implied Equity Value of Acquiree Business Combination, Implied Equity Value of Acquiree Additional paid-in capital Additional Paid in Capital Payments for intangible assets Payments to Acquire Intangible Assets Other income (expense), net Other Nonoperating Income (Expense) Debt Long-Term Debt [Text Block] Proceeds from sales of marketable securities Proceeds from Sale of Marketable Securities Proceeds from Sale of Marketable Securities Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Capital Shares Reserved For Issuance, By Type [Axis] Capital Shares Reserved For Issuance, By Type [Axis] Capital Shares Reserved For Issuance, By Type Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] Offering price (in USD per share) Sale of Stock, Price Per Share Conversion of stock Conversion of stock Stock Issued During Period, Value, Conversion of Convertible Securities SpaceX Notes SpaceX Notes [Member] SpaceX Notes Preferred stock authorized (in shares) Preferred Stock, Shares Authorized Supplemental segment information Segment Reporting, Other Disclosure [Abstract] Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Preferred stock, par value $0.001; - shares issued and outstanding as of June 30, 2026 and December 31, 2025, respectively Preferred Stock, Value, Issued Series A-1 SpaceX Redeemable Convertible Preferred Stock, Series A-1 [Member] SpaceX Redeemable Convertible Preferred Stock, Series A-1 Adjustment to Compensation: Adjustment to Compensation [Axis] Class D Common Stock Common Class D [Member] Common Class D Share Repurchase Program [Axis] Share Repurchase Program [Axis] Class of Stock [Domain] Class of Stock [Domain] Operating lease expense: Operating Lease, Expense [Abstract] Operating Lease, Expense Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Interest, net of interest capitalized Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Net loss per share of common stock attributable to common shareholders Net loss per share attributable to common shareholders Earnings Per Share, Basic and Diluted EPS [Abstract] Earnings Per Share, Basic and Diluted EPS Fee imposed Loss Contingency, Fee, Amount Loss Contingency, Fee, Amount xAI Revolving Line of Credit xAI Revolving Line of Credit [Member] xAI Revolving Line of Credit Schedule of Common Stock Activity Schedule of Stock by Class [Table Text Block] Credit Facility [Axis] Credit Facility [Axis] Restructuring Restructuring and Related Activities Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total fair value Assets, Fair Value Disclosure Debt and finance leases, net of current (related party of $11,290 and $4,052 at June 30, 2026 and December 31, 2025, respectively) Debt and finance leases, net of current Total debt and finance leases, net of current, net Long-Term Debt and Lease Obligation Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Other Other Noncash Income (Expense) Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Consumer Consumer [Member] Consumer Additional Paid-in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Damages sought per person Loss Contingency, Damages Sought, Amount Per Plaintiff Loss Contingency, Damages Sought, Amount Per Plaintiff Brand Brand [Member] Brand Spectrum Business Trust 2025-1 Spectrum Business Trust 2025-1 [Member] Spectrum Business Trust 2025-1 Name Trading Arrangement, Individual Name xAI Fixed Rate and Floating Rate Term Loans xAI Fixed Rate and Floating Rate Term Loans [Member] xAI Fixed Rate and Floating Rate Term Loans Cash and cash equivalents Cost Cash and Cash Equivalent Number of extension options Debt Instrument, Number of Extension Options Debt Instrument, Number of Extension Options Raw materials Inventory, Raw Materials, Net of Reserves Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current [Abstract] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Investments, Debt and Equity Securities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Share Repurchases from Current and Former xAI Employees Share Repurchases from Current and Former xAI Employees [Member] Share Repurchases from Current and Former xAI Employees 2030 Unrecorded Unconditional Purchase Obligation, to be Paid, Year Four Variable Rate Option One Variable Rate Option One [Member] Variable Rate Option One Term SOFR Secured Overnight Financing Rate (SOFR) [Member] Number of classes of common stock Common Stock, Number of Classes Common Stock, Number of Classes Stock, Class of Stock [Table] Stock, Class of Stock [Table] Current assets Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Subsidiary, Sale of Stock [Line Items] Subsidiary, Sale of Stock [Line Items] Provision for income taxes Income Tax Expense (Benefit) Number of votes per share of common stock held Common Stock, Voting Rights, Number of Votes per Share Common Stock, Voting Rights, Number of Votes per Share Temporary Equity, by Class of Stock [Table] Temporary Equity, by Class of Stock [Table] Customer Concentration Risk Customer Concentration Risk [Member] Existing technology Technology-Based Intangible Assets [Member] Award Timing Method Award Timing Method [Text Block] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Net change in cash and cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Net loss Net loss Net loss Net Income (Loss) Attributable to Parent Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Bridge Loan Bridge Loan [Member] Statement [Table] Statement [Table] Proceeds from IPO, net of underwriting commissions and offering costs Proceeds from Issuance Initial Public Offering Restatement Determination Date: Restatement Determination Date [Axis] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Interest income Investment Income, Interest Lien threshold percentage of total assets Debt Instrument, Covenant Compliance, Lien Threshold Percentage of Total Assets Debt Instrument, Covenant Compliance, Lien Threshold Percentage of Total Assets Conversion of redeemable convertible preferred stock (in shares) Temporary Equity, Shares, Conversion of Convertible Securities Temporary Equity, Shares, Conversion of Convertible Securities Number of new claims filed Loss Contingency, New Claims Filed, Number Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Share-based compensation Share-Based Payment Arrangement [Member] Digital assets Crypto Asset, Fair Value, Noncurrent 2026 (remaining six months) Unrecorded Unconditional Purchase Obligation, to be Paid, Remainder of Fiscal Year Issuances Excluding IPO Issuances Excluding IPO [Member] Issuances Excluding IPO Redeemable convertible preferred stock Temporary Equity [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract]