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Motors Company [Member] General Motors Company [Member] Total future minimum lease payments Lessee, Operating Lease, Liability, to be Paid Nonvested restricted shares at beginning of year (in shares) Nonvested restricted shares at end of year (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Insider Trading Arrangements [Line Items] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Three Prepaid expenses and other Prepaid Expense and Other Assets, Current Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Document Transition Report Document Transition Report Schedule of Revenue by Major Customers, by Reporting Segments [Table] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Revaluation gain from additional round of investment Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount Schedule of 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Foreign Currency Transaction and Translation Adjustment, before Tax Executive Category: Executive Category [Axis] Number of tranches Stock Purchase Agreement, Shares Acquired, Number Of Tranches Stock Purchase Agreement, Shares Acquired, Number Of Tranches Schedule of Components of Provision For Income Taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Purchases Payments to Acquire Debt Securities, Available-for-Sale Letters of Credit Letter of Credit [Member] Company Selected Measure Name Company Selected Measure Name