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Palantir Technologies Inc. [Member] Palantir Technologies Inc. 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[Member] Legacy FF Ordinary Stock exchanged in the Business Combination for a commitment to issue Class A and Class B Common Stock (in shares) Stock Exchanged During Period, Shares Stock Exchanged During Period, Shares Tooling, machinery and equipment Other Machinery and Equipment [Member] Bridge Notes Due on August 14, 2026 At 10.00% Bridge Notes Due on August 14, 2026 At 10.00% [Member] Bridge Notes Due on August 14, 2026 At 10.00% Subsequent Events [Abstract] Proceeds, net of original issuance discount Proceeds From Debt, Net Of Original Issuance Discount Proceeds From Debt, Net Of Original Issuance Discount Stock-Based Compensation Awards – SI Plan - RSUs Stock-Based Compensation Awards – SI Plan, RSUs [Member] Stock-Based Compensation Awards – SI Plan, RSUs Commitment to Issue Class A Common Stock Commitment to Issue Class A Common Stock [Member] Commitment to Issue Class A Common Stock Notes Payable, China Various Other, Due On Demand At 0.00% Notes Payable, China Various Other, 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[Member] Local Phone Number Local Phone Number Number of votes Common Stock, Voting Rights, Number Common Stock, Voting Rights, Number Schedule of the company’s stock option activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Loss from operations Operating Income (Loss) Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Deposits Changes in operating assets and liabilities: Increase (Decrease) in Deposit Assets State State and Local Jurisdiction [Member] Accrued liabilities Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Related Party Notes, Other, Due June 2021 At 6.99% Related Party Notes, Other, Due June 2021 At 6.99% [Member] Related Party Notes, Other, Due June 2021 At 6.99% Released (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Released In Period Share-Based Compensation Arrangement By Share-Based Payment 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interest expense Debt Issuance Costs, Gross Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Authorized Shares Authorized Shares [Abstract] Authorized Shares PPP Loan Due on April 17, 2022 At 1.00% PPP Loan Due on April 17, 2022 At 1.00% [Member] PPP Loan Due on April 17, 2022 At 1.00% Deposits for Future Work Deposit For Future Work Deposit For Future Work Consulting Service Agreement With FF Global Partners Consulting Service Agreement With FF Global Partners [Member] Consulting Service Agreement With FF Global Partners Conversion of The9 Conditional Obligation to Class A Common Stock Aggregating principal amount Debt Conversion, Original Debt, Amount Reverse recapitalization, share price (in dollars per share) Reverse Recapitalization, Share Price Reverse Recapitalization, Share Price Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant 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Shares to be issued (in shares) Shares To Be Issued Shares To Be Issued Finance leases Finance Lease, Weighted Average Discount Rate, Percent Transfer of private warrants to unaffiliated parties Transfer Of Warrants To Unaffiliated Parties Transfer Of Warrants To Unaffiliated Parties Notes Payable June 9, 2021 Notes 1, Due On December 9, 2022 Notes Payable June 9, 2021 Notes 1, Due On December 9, 2022 [Member] Notes Payable June 9, 2021 Notes 1, Due On December 9, 2022 Within one business day of consummation of new financing Debt Instrument, Redemption, Period Two Debt Instrument, Redemption, Period Two [Member] Fair value of conditional obligation Contractual Obligation Related Party Notes, Other, Due June 2021 At 8.00% Related Party Notes, Other, Due June 2021 At 8.00% [Member] Related Party Notes, Other, Due June 2021 At 8.00% Risk-free interest rate (in percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Total finance lease cost Finance Lease, Cost Finance Lease, Cost Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Total liabilities and stockholders’ equity Liabilities and Equity Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Gross deferred tax assets Deferred Tax Assets, Gross Schedule of Components of Losses Before Income Taxes, by Taxing Jurisdiction Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Amended and Restated Shareholder Agreement Amended And Restated Shareholder Agreement [Member] Amended And Restated Shareholder Agreement Notes Payable March 1, 2021, Due On March 1, 2022, At 14.00% Notes Payable March 1, 2021, Due On March 1, 2022, At 14.00% [Member] Notes Payable March 1, 2021, Due On March 1, 2022, At 14.00% Vendor Payables In Trust Vendor Payables In Trust [Text Block] Vendor Payables In Trust Bridge Warrants Bridge Warrants [Member] Bridge Warrants Less: Imputed Interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Net loss per Common Stock – Class A and Class B – diluted (in dollars per share) Earnings Per Share, Diluted Sale of Stock [Domain] Sale of Stock [Domain] Liquidation premium, percent Debt Instrument, Liquidation Premium, Percent Debt Instrument, Liquidation Premium, Percent Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Payments of stock issuance costs Payments of Stock Issuance Costs Schedule of Authorized, Issued and Outstanding Stock Schedule of Stock by Class [Table Text Block] Debt instrument, commitment amount Debt Instrument, Commitment Amount Debt Instrument, Commitment Amount Notes Payable - Other, Due On Demand, At 8.99% Notes Payable - Other, Due On Demand, At 8.99% [Member] Notes Payable - Other, Due On Demand, At 8.99% Settlement of accrued rent with issuance of vested stock options Adjustments To Additional Paid In Capital, Stock Options Issued Upon Settlement Of Accrued Rent Adjustments To Additional Paid In Capital, Stock Options Issued Upon Settlement Of Accrued Rent 2024 Lessee, Operating Lease, Liability, to be Paid, Year Two Other current assets Total other current assets Other Assets, Current Beginning balance Ending balance Unrecognized Tax Benefits Deferred tax assets, net of valuation allowance Deferred Tax Assets, Net of Valuation Allowance Interest premium Debt Instrument, Interest Premium Debt Instrument, Interest Premium 2025 Capital Leases, Future Minimum Payments Due in Four Years U.S. Income (Loss) from Continuing Operations before Income Taxes, Domestic Cumulative Effect, Period of Adoption, Adjustment Cumulative Effect, Period of Adoption, Adjustment [Member] Number of shares reclassified from equity to liability classification (in shares) Share-Based Compensation Arrangement, Number Of Shares Reclassified From Equity To Liability Classification Share-Based Compensation Arrangement, Number Of Shares Reclassified From Equity To Liability Classification Schedule of Maturities of Operating Lease Liabilities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Entity Address, Address Line One Entity Address, Address Line One Audit Information [Abstract] Audit Information [Abstract] Senyun Senyun [Member] Senyun US-Based Investment Firm Warrants US-Based Investment Firm Warrants [Member] US-Based Investment Firm Warrants Class of Stock [Domain] Class of Stock [Domain] Interest expense Interest Expense Contingent consideration, earnout shares, stock price trigger Reverse Recapitalization, Contingent Consideration, Equity, Earnout Period, Stock Price Trigger Reverse Recapitalization, Contingent Consideration, Equity, Earnout Period, Stock Price Trigger Exercisable period Warrants And Rights Outstanding, Exercisable Period Warrants And Rights Outstanding, Exercisable Period Public warrants Public Warrants [Member] Public Warrants Vendor Trust Vendor Trust [Member] Vendor Trust Stock-based compensation awards – SI Plan - Options Stock-Based Compensation Awards – SI Plan, Options [Member] Stock-Based Compensation Awards – SI Plan, Options Schedule of Accrued Liabilities and Other Current Liabilities Schedule of Accrued Liabilities [Table Text Block] Liability for insufficient authorized shares related to stock options and RSUs Amount reclassified for liability of insufficient authorized shares Adjustments To Additional Paid In Capital, Liability For Insufficient Authorized Shares Adjustments To Additional Paid In Capital, Liability For Insufficient Authorized Shares Vesting of restricted stock award for employee bonus Stock Issued During Period, Value, Vesting Of Restricted Stock Award For Employee Bonus Stock Issued During Period, Value, Vesting Of Restricted Stock Award For Employee Bonus Schedule of Long-term Debt Instruments Schedule of Long-Term Debt Instruments [Table Text Block] Amounts due to vendors Vendor Payable Vendor Payable Tooling, machinery, and equipment Machinery and Equipment [Member] Debt Conversion [Line Items] Debt Conversion [Line Items] Buildings Building [Member] Accrued interest on purchase orders Purchase Orders Payable, Accrued Interest Purchase Orders Payable, Accrued Interest Notes Payable, Various Other Notes, Due On October 6, 2021, Additional March 2021 Note Notes Payable, Various Other Notes, Due On October 6, 2021, Additional March 2021 Note [Member] Notes Payable, Various Other Notes, Due On October 6, 2021, Additional March 2021 Note Outstanding Legal Dispute for Breach of Lease Outstanding Legal Dispute For Breach Of Lease [Member] Outstanding Legal Dispute For Breach Of Lease Reclassification of Presentation in Our Consolidated Statements of Cash Flow Reclassification, Comparability Adjustment [Policy Text Block] Weighted average remaining contractual life (years), ending period Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Remaining Contractual Term Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Remaining Contractual Term Total deferred tax liabilities Deferred Tax Liabilities, Gross Proceeds from notes payable, net of original issuance discount Proceeds from Notes Payable Proceeds from Notes Payable Accrued interest expense Increase (Decrease) in Accrued Interest Receivable, Net Operating cash flows from finance leases Finance Lease, Interest Payment on Liability Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] January 13 Notes and March 12 Notes, Due October 6, 2021, At 8.00% & 15.75% January 13 Notes and March 12 Notes, Due October 6, 2021, At 8.00% & 15.75% [Member] January 13 Notes and March 12 Notes, Due October 6, 2021, At 8.00% & 15.75% Vendor Locations Vendor Locations [Member] Vendor Locations Common stock, shares to be issued (in shares) Common Stock, Shares To Be Issued Common Stock, Shares To Be Issued Measurement Frequency [Axis] Measurement Frequency [Axis] Research and Development Research and Development Expense, Policy [Policy Text Block] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Obligation to issue registered shares of Class A Common Stock assumed as part of the Business Combination Obligation to issue registered shares of Class A Common Stock for transaction services Noncash Or Part Noncash Acquisition, Obligation To Issue Registered Shares Noncash Or Part Noncash Acquisition, Obligation To Issue Registered Shares Conversion of assumed convertible and promissory notes payable into Class A Common Stock and Private Warrants Conversion Of Assumed Convertible And Promissory Notes Payable To Common Stock And Private Warrants Conversion Of Assumed Convertible And Promissory Notes Payable To Common Stock And Private Warrants Other current liabilities Other Accrued Liabilities, Current Accounting Standards Update [Domain] Accounting Standards Update [Domain] General and administrative General and Administrative Expense Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Amended exercise price of ATW NPA warrants Adjustments To Additional Paid In Capital, Adjustment To Exercise Price Of Warrants Adjustments To Additional Paid In Capital, Adjustment To Exercise Price Of Warrants Fair value of earnout shares Stockholders' Equity, Contingently Issuable Common Stock Stockholders' Equity, Contingently Issuable Common Stock Statement of Stockholders' Equity [Abstract] Gain on change in fair value Servicing Liability at Fair Value, Other Changes in Fair Value Settlement of lawsuit with issuance of vested stock options Adjustments To Additional Paid In Capital, Stock Options Issued Upon Settlement Of Lawsuit Adjustments To Additional Paid In Capital, Stock Options Issued Upon Settlement Of Lawsuit Transfers between vendor payables in trust and accounts payable Proceeds from (Repayments of) Related Party Debt Amount payable Due to Related Parties, Current Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Contingent consideration, earnout shares, threshold consecutive trading days Reverse Recapitalization, Contingent Consideration, Equity, Earnout Period, Threshold Consecutive Trading Days Reverse Recapitalization, Contingent Consideration, Equity, Earnout Period, Threshold Consecutive Trading Days Conversion rate Debt Conversion, Converted Instrument, Rate Aggregate Intrinsic Value Aggregate Intrinsic Value [Abstract] Aggregate Intrinsic Value Less: Imputed Interest Finance Lease, Liability, Undiscounted Excess Amount Class B Ordinary Stock Class B Ordinary Stock [Member] Class B Ordinary Stock Variable Interest Entities and Joint Ventures Equity Method Investments and Joint Ventures Disclosure [Text Block] Loss contingency accrual, payments Loss Contingency Accrual, Payments Notes Payable, Related Party, Settlement During Transaction Notes Payable, Related Party, Settlement During Transaction [Member] Notes Payable, Related Party, Settlement During Transaction Asset impairment charges Asset Impairment Charges Deferred Tax Assets, Valuation Allowance [Roll Forward] Deferred Tax Assets, Valuation Allowance [Roll Forward] Deferred Tax Assets, Valuation Allowance Research and development Research and Development Expense [Member] Principal Conversion Premium Payments Settled With Equity Principal Conversion Premium Payments Settled With Equity Principal Conversion Premium Payments Settled With Equity Redeemable Preference Stock Redeemable Convertible Preferred Stock [Member]