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Goodwill [Line Items] Goodwill [Line Items] Operating right-of-use assets obtained in exchange for lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Employer contributions Defined Benefit Plan, Plan Assets, Contributions by Employer PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Schedule of Components of Income Tax Expense (Benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Foreign currency remeasurement Effective Income Tax Rate Reconciliation, Foreign Currency Remeasurement, Amount Effective Income Tax Rate Reconciliation, Foreign Currency Remeasurement, Amount U.S. tax impact on Non-U.S. income and activities Effective Income Tax Rate Reconciliation, U.S. Tax on Non-U.S. Income, Amount The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to repatriation of foreign earnings, unremitted foreign earnings, and U.S. taxes on other non-U.S. income in the period. Operating lease liability Operating Lease, Liability, Current Warranties issued and assumed in period Standard and Extended Product Warranty Expense, Increase for Warranties Issued And Assumed in Period Standard and Extended Product Warranty Expense, Increase for Warranties Issued And Assumed in Period Available-for-sale marketable securities, liquidations Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale 2025 Lessee, Operating Lease, Liability, to be Paid, Year Three Cash used to settle awards Share-Based Payment Arrangement, Cash Used to Settle Award Increase to maximum borrowing capacity Line of Credit Facility, Increase (Decrease), Net Net Carrying Amount Finite-Lived Intangible Assets, Net Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Estimated contributions in next fiscal year Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year Product warranty and related liabilities Policy, Product Warranty, Recall Campaigns and Courtesy Transportation Accrual, Non-current Non-current portion of amount as of the balance sheet date of the aggregate standard product warranty and related liabilities. Does not include the balance for the extended product warranty liability. SAIC-GMAC SAIC-GMAC [Member] SAIC-GMAC Automotive Finance Company Limited (formerly known as GMAC-SAIC Automotive Finance Company Limited) Counterparty Name [Domain] Counterparty Name [Domain] Credit Quality Indicator [Axis] Internal Credit Assessment [Axis] Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization 2024 Lessee, Operating Lease, Liability, to be Paid, Year Two Fair Value Debt Instrument, Fair Value Disclosure Environmental Protection Agency Environmental Protection Agency [Member] Environmental Protection Agency Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Weighted-average assumptions used to determine benefit obligations(a) Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] Deferred revenue Contract with Customer, Liability, Current Security Exchange Name Security Exchange Name Issuance (redemption) of subsidiary stock (Note 20) Stock Redeemed or Called During Period, Value Stock Incentive Plans Share-Based Payment Arrangement [Policy Text Block] Pension and OPEB Plans Pension and Other Postretirement Plans, Pensions, Policy [Policy Text Block] GM Financial receivables, net of allowance of $906 and $869 (Note 5; Note 11 at VIEs) GM Financial receivables, net of fees – current Financing Receivable, after Allowance for Credit Loss, Current Takata Passenger-side Airbags Takata Passenger-side Airbags [Member] Takata Passenger-side Airbags Automotive and other selling, general and administrative expense Selling, General and Administrative Expense Nonperforming Financial Instruments Nonperforming Financial Instruments [Member] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Other comprehensive loss and noncontrolling interests before reclassification adjustment, net of tax Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Stock options Employee Stock Option [Member] Derivative Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Maximum Maximum [Member] Reasonably possible loss Loss Contingency, Range of Possible Loss, Portion Not Accrued Schedule of Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] Unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Property, Plant and Equipment, Net [Abstract] Property, Plant and Equipment, Net [Abstract] Document Type Document Type Transactions with and Balances Related to Nonconsolidated Affiliates Schedule of Related Party Transactions [Table Text Block] Geographic Concentration Risk Geographic Concentration Risk [Member] Tabular List, Table Tabular List [Table Text Block] Schedule of Income before Income Taxes and Equity Income Schedule of Income before Income Taxes and Equity Income, Domestic and Foreign [Table Text Block] Tabular disclosure of income before income taxes and equity method investment income between domestic and foreign jurisdictions. Units outstanding at beginning of period (in shares) Units outstanding at end of period (in shares) Share Based Compensation Arrangement By Share Based Payment Award Option and Non-option Equity Instruments Outstanding Number Number of options and equity Instruments other than options outstanding, including both vested and non-vested instruments. 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Allowance for doubtful accounts and notes receivable, current Accounts Receivable, Allowance for Credit Loss, Current Cash paid for income taxes and interest Cash Paid for Income Taxes and Interest [Abstract] Cash Paid for Income Taxes and Interest. 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Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Option and Non-option Equity Instruments, Granted Net number of option and non-option equity instruments granted to participants. Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount GM Financial Receivables Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Entity Tax Identification Number Entity Tax Identification Number Other plan assets (liabilities), net Defined Benefit Plan Assets and Liabilities Not Measured at Fair Value Other plan assets and liabilities including, cash held by the plans, net of amounts receivable/payable for unsettled security transactions and payable for investment manager fees, custody fees and other expenses. Available-for-sale marketable securities, acquisitions Payments to Acquire Marketable Securities Statistical Measurement [Axis] Statistical Measurement [Axis] Depreciation Amortization and Impairment of Property Plant and Equipment Depreciation Amortization and Impairment on Property Plant and Equipment [Table Text Block] Tabular disclosure of the amount of depreciation, amortization and impairment of property, plant and equipment directly related to goods produced and sold and services rendered by an entity during the reporting period. Balance Sheet Location [Domain] Balance Sheet Location [Domain] GM Financial Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block] Entity Interactive Data Current Entity Interactive Data Current Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Revolving Financing Receivable, Revolving Term of leasing arrangements Lessor, Operating Lease, Term of Contract Earnings (loss) before interest and taxes-adjusted Earnings (loss) before automotive interest and taxes-adjusted Earnings or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investment and net of income or loss attributable to noncontrolling interest, but before adjustments that are not considered part of our core operations, automotive interest expense, corporate interest income, gain or loss on extinguishment of debt and income tax expense or benefit. 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Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Name Outstanding Recovery, Individual Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Counterparty Name [Axis] Counterparty Name [Axis] Debt carrying amount and fair value Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Derivative Financial Instruments Derivatives, Policy [Policy Text Block] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Estimated amortization expense, 2023 Finite-Lived Intangible Asset, Expected Amortization, Year One Payments for operating leases Operating Lease, Payments Common stock shares outstanding (in shares) Common Stock, Shares, Outstanding Financing Receivables, by Credit Quality Indicator [Domain] Internal Credit Assessment [Domain] Current income tax expense (benefit) Income Tax Expense (Benefit), Continuing Operations [Abstract] Shanghai Automotive Group Finance Company Ltd. Shanghai Automotive Group Finance Company Ltd. [Member] Shanghai Automotive Group Finance Company Ltd. [Member] Percent of Contractual Amount Due Financing Receivable, Revolving, Percent of Total Financing Receivable, Revolving, Percent of Total Interest cost Defined Benefit Plan, Interest Cost Other Income and Expenses [Abstract] Other Income and Expenses [Abstract] PEO PEO [Member] General business credits and manufacturing incentives Effective Income Tax Rate Reconcilation, (Tax Credit) Reversal, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits (or reversals of expired tax credits). Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. Schedule of Future Rental Payments Receivable for Operating Leases Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block] Other Stockholders' Equity, Other Auditor Location Auditor Location Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Pensions and Other Postretirement Benefits Retirement Benefits [Text Block] Change in plan assets Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Total non-current assets Non-current assets Assets, Noncurrent Automotive China Automotive China [Member] Automotive China [Member] I Internal Investment Grade [Member] Other operating activities Other Operating Activities, Cash Flow Statement AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Schedule of Variable Interest Entities [Table] Schedule of Variable Interest Entities [Table] State and local tax expense (benefit) Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Common stock par value (in dollars per share) Common Stock, Par or Stated Value Per Share Warranties issued and assumed in period – recall campaigns Warranties Issued And Assumed In Period, Recall Campaigns Represents the aggregate increase in the liability for accruals for recall campaigns and related liabilities issued during the reporting period. Interest subvention earned on finance receivables Interest Income, Intercompany Transactions Interest Income, Intercompany Transactions Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Reconciliation of Cash, Cash Equivalents and Restricted Cash from Balance Sheet to Statement of Cash Flows Reconciliation of Cash, Cash Equivalents and Restricted Cash from Balance Sheet to Statement of Cash Flows [Table Text Block] Tabular disclosure of the reconciliation of cash, cash equivalents and restricted cash from the consolidated balance sheet to the consolidated statements of cash flows. Interest rate swaps Interest Rate Swap [Member] Debt Instrument [Axis] Debt Instrument [Axis] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Deferred tax liabilities Deferred Tax Liabilities, Gross [Abstract] General Motors Holdings LLC General Motors Holdings LLC [Member] General Motors Holdings LLC 2028 Long-term Debt and Finance Lease Obligations, Maturities, Repayments of Principal in Year Five Long-term Debt and Finance Lease Obligations, Maturities, Repayments of Principal in Year Five Credit Facility [Axis] Credit Facility [Axis] PBO Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation Collateral Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Security Not Offset Schedule of maturities of long-term debt Schedule of Maturities of Long-Term Debt [Table Text Block] Total Liabilities Liabilities Total current income tax expense (benefit) Current Income Tax Expense (Benefit) 2020 Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year Property Property, Plant and Equipment Disclosure [Text Block] Non-current Liabilities Liabilities, Noncurrent [Abstract] 2026 Lessor, Operating Lease, Payment to be Received, Year Three Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Weighted-average assumptions used to determine net expense(a) Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Marketable Debt Securities Marketable Securities, Policy [Policy Text Block] 2025 Defined Benefit Plan, Expected Future Benefit Payment, Year Two Weighted-average interest rate on outstanding short-term debt Short-Term Debt, Weighted Average Interest Rate, at Point in Time Retail Finance Receivables Consumer Portfolio Segment [Member] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] U.S. state and local Current State and Local Tax Expense (Benefit) Total current assets Current assets Assets, Current Pension Plan and Other Postretirement Benefits Plan Pension Plan and Other Postretirement Benefits Plan [Member] Pension Plan and Other Postretirement Benefits Plan [Member] Preferred Stock Preferred Stock [Member] Net periodic pension and OPEB (income) expense Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Impairment charges Asset Impairment Charges Supplemental Cash Flow Information [Abstract] Supplemental Cash Flow Information [Abstract] Finance Receivables Credit Quality Financing Receivable Credit Quality Indicators [Table Text Block] Private equity and debt investments Private Equity and Debt Funds [Member] Investments held in private equity and debt funds. Fair Value of Plan Assets Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets Equity Common and preferred stocks Defined Benefit Plan, Equity Securities [Member] PATAC PATAC [Member] Pan Asia Technical Automotive Center Co., Ltd. Schedule Of Cash, Cash Equivalents And Marketable Securities [Table] Schedule Of Cash, Cash Equivalents And Marketable Securities [Table] Schedule of cash, cash equivalents and marketable securities balances, including restricted cash and marketable securities. Less: allowance for loan losses Allowance for loan losses at beginning of period Allowance for loan losses at end of period Financing Receivable, Allowance for Credit Loss Restructuring Type [Axis] Restructuring Type [Axis] Balance at beginning of period Balance at end of period Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests Total Long-Term Debt and Lease Obligation, Including Current Maturities Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Common shares purchased during period (in shares) Stock Repurchased During Period, Shares Commercial loan funding payable Intercompany Payable Intercompany Payable Marketable and Other Securities Cash, Cash Equivalents, and Marketable Securities [Text Block] Concentration risk, percentage Concentration Risk, Percentage Schedule of Accumulated Other Comprehensive Loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Issuance (redemption) of subsidiary stock (Note 20) Proceeds from Issuance of Preferred Stock and Preference Stock Estimated amortization expense, 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Five U.S. government and agencies US Treasury and Government [Member] Other Other Investment [Member] Includes private equity, real estate and absolute return strategies which primarily consist of hedge funds. Other Postretirement Benefits Plan Other Postretirement Benefits Plan [Member] Mortgage and asset-backed Asset-Backed Securities [Member] Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities Other investments, net Other pension investments, net [Member] Other pension investments such as, but not limited to cash equivalents and other short-term investments, derivatives, group annuity contracts, Investment funds, certain private equity and debt investments, real estate and other alternative investments. Class of Stock [Axis] Class of Stock [Axis] GMNA GMNA [Member] Represents the GM North America region for segment consolidation. Equity in Net Assets of Nonconsolidated Affiliates Equity Method Investments and Joint Ventures Disclosure [Text Block] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Cruise Preferred Shares Cruise Preferred Shares [Member] Cruise Preferred Shares Depreciation and amortization expense Depreciation and amortization Depreciation, Depletion and Amortization Finance charge income Interest and Fee Income, Loans, Consumer Deferred tax assets Deferred Tax Assets, Gross [Abstract] Series G Preferred Shares Series G Preferred Stock [Member] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Weighted-average grant date fair value, Units outstanding at beginning of period (in dollars per share) Weighted-average grant date fair value, Units outstanding at end of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Option and Non-option Equity Instruments, Weighted Average Grant Date Fair Value The weighted average fair value of nonvested awards on equity-based plans including option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. GM Financial receivables Financing receivable Financing Receivable, after Allowance for Credit Loss Performing Financial Instruments Performing Financial Instruments [Member] Consolidation Items [Axis] Consolidation Items [Axis] Curtailments, settlements and other Defined Benefit Plan, Curtailments, Settlements and Other For pension and OPEB plans the amount of increase or decrease in the benefit obligation due to curtailments, settlements and other factors not individually listed. Long-lived assets Long-Lived Assets Schedule of amounts recorded in the consolidated balance sheets Schedule of Amounts Recognized in Balance Sheet [Table Text Block] Less: valuation allowances Deferred Tax Assets, Valuation Allowance Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] 2027 Long-term Debt and Finance Lease Obligations, Maturities, Repayments of Principal in Year Four Long-term Debt and Finance Lease Obligations, Maturities, Repayments of Principal in Year Four Deferred revenue recognized Contract with Customer, Liability, Revenue Recognized Cash and cash equivalents Restricted Cash and Cash Equivalents Advertising and promotion expenditures Marketing and Advertising Expense Foreign currency translation adjustments and other Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Changes in Benefit Obligations, Plan Assets and Funded Status Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan [Table Text Block] Long-term debt (Note 13) GM Financial long-term debt Long-Term Debt and Lease Obligation Variable Interest Entities Variable Interest Entity Disclosure [Text Block] Accrued and Other Liabilities Accrued Liabilities and Other Liabilities [Table Text Block] Tabular disclosure of the components of accrued liabilities and other liabilities. Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Adjustments Reconciling Adjustments Includes items that are not part of the normal operating cycle of ongoing operations. Remaining accrual amount Loss Contingency Accrual, Remaining Amount Loss Contingency Accrual, Remaining Amount Entity Emerging Growth Company Entity Emerging Growth Company Defined Benefit Plan, Expected Future Benefit Payments [Abstract] Defined Benefit Plan, Expected Future Benefit Payment [Abstract] Total deferred tax assets before valuation allowances Deferred Tax Assets, Gross Curtailments, settlements and other Curtailments, settlements and other (gains) losses, net The aggregate amount of net (gains) losses recognized in net period benefit cost due to settlements, curtailments and other adjustments. Components of expense Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract] Product Warranty and Recall Campaigns Standard Product Warranty, Policy [Policy Text Block] GM Financial GM Financial GM Financial [Member] Represents the GM Financial section for segment consolidation. Credit Score, FICO [Axis] Credit Score, FICO [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] 2023 Lessee, Operating Lease, Liability, to be Paid, Year One Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Title Trading Arrangement, Individual Title Payments for statutory tax withholdings Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Share-Based Liabilities Paid Common Stock Common Stock [Member] Used vehicles Used Vehicles [Member] Used Vehicles [Member] Defined benefit plans Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Individual: Individual [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Reductions in tax positions due to lapse of statutory limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Income Statement Location [Domain] Income Statement Location [Domain] Weighted-average interest rate Debt, Weighted Average Interest Rate Total Equity Balance at beginning of period Balance at end of period Equity, Including Portion Attributable to Noncontrolling Interest Dividends to noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Rebates available Credit Card Programs Available Rebate Rebate available associated with the credit card programs, net of deferred program revenue at the balance sheet date. Minimum Minimum [Member] Dividends received Proceeds from Equity Method Investment, Distribution Other comprehensive income (loss), net of tax Other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax Accrued Liabilities and Other Liabilities [Abstract] Accrued Liabilities and Other Liabilities [Abstract] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Beginning benefit obligation Ending benefit obligation Defined Benefit Plan, Benefit Obligation ASSETS Assets [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] 2026 Defined Benefit Plan, Expected Future Benefit Payment, Year Three Less: accumulated depreciation Property, Plant, and Equipment, Excluding Lessor Asset under Operating Lease, Accumulated Depreciation Income Taxes [Abstract] Deferred Tax Assets, Net [Abstract] Miscellaneous Deferred Tax Assets, Other ABO Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation Restricted cash - cash equivalents Other Current Assets [Member] Vehicle, parts and accessories Vehicles and Parts [Member] Vehicles and Parts [Member] Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration] Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration] Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Allowance for doubtful accounts and notes receivable, noncurrent Accounts and Financing Receivable, after Allowance for Credit Loss, Noncurrent Deferred income taxes (Note 17) Deferred Income Tax Assets, Net Retirement Plan Type [Axis] Retirement Plan Type [Axis] Other investing activities Payments for (Proceeds from) Other Investing Activities MEXICO MEXICO Warranty balance, net of supplier recoveries at end of period Policy Product Warranty and Recall Campaigns, Net of Recoveries Policy Product Warranty and Recall Campaigns, Net of Recoveries Retained Earnings Retained Earnings [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Foreign currency translation adjustments Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) Loss recognized in AOCI Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Basic earnings per common share (in dollars per share) Earnings Per Share, Basic Accounting Policies [Abstract] Accounting Policies [Abstract] Payments on debt (original maturities greater than three months) Repayments of Debt, Maturing in More than Three Months Effect of foreign currency Financing Receivable, Allowance for Credit Loss, Foreign Currency Translation Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Net deferred tax assets Deferred Tax Assets, Net Beginning fair value of plan assets Ending fair value of plan assets Net plan assets Defined Benefit Plan, Plan Assets, Amount Provision for loan losses Provision for Loan, Lease, and Other Losses Cash and time deposits Cash And Time Deposits Sum of cash (other than available-for-sale and trading securities) and time deposits. Benefits paid Defined Benefit Plan, Benefit Obligation, Benefits Paid SGM DYPT SGM DYPT [Member] SAIC GM Dong Yue Powertrain Co., Ltd. Weighted Average Remaining Contractual Terms in years, Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options and Non-option Equity Instruments, Outstanding, Weighted Average Remaining Contractual Terms Weighted average remaining contractual term for option and non-option equity-based awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Dealer cash management balances Dealer Cash Management Dealer Cash Management Principles of Consolidation Consolidation, Policy [Policy Text Block] Pensions (Note 15) Liability, Defined Benefit Pension Plan, Noncurrent Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Total non-current liabilities Non-current liabilities Liabilities, Noncurrent Schedule of contributions to defined benefit pension plans Schedule of contributions to employee benefit plans [Table Text Block] Summarizes contributions to employee benefit plans or direct payments to plan beneficiaries. Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Document Transition Report Document Transition Report Award Timing Predetermined Award Timing Predetermined [Flag] Unsecured Debt Unsecured Debt [Member] Accounts payable Increase (Decrease) in Accounts Payable Carrying Amount of Hedged Items Hedged Liability, Fair Value Hedge Payrolls and employee benefits excluding postemployment benefits Accrued Payroll And Employee Benefits Current Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them, and obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). LG Electronics, Inc. LG Electronics, Inc. [Member] LG Electronics, Inc. Entity Public Float Entity Public Float Service cost Service And Administrative Cost The actuarial present value of benefits attributed to the pension benefit formula to services rendered by employees during the period and administrative expenses Korea Wage Litigation - Former Subcontract Workers Korea Wage Litigation - Former Subcontract Workers [Member] Korea Wage Litigation - Former Subcontract Workers [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Revaluation of investments Reevaluation of Investments Income (Expense) Reevaluation of Investments Income (Expense) Valuation allowance reversed Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Auditor [Abstract] Auditor [Abstract] All Trading Arrangements All Trading Arrangements [Member] III Substandard [Member] Three Year Revolving Credit Facility Three Year Revolving Credit Facility [Member] Three Year Revolving Credit Facility All Adjustments to Compensation All Adjustments to Compensation [Member] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Compensation Amount Outstanding Recovery Compensation Amount Equity Method Investment, Nonconsolidated Investee [Axis] Equity Method Investment, Nonconsolidated Investee [Axis] Russia RUSSIAN FEDERATION Other liabilities Other Liabilities, Noncurrent [Abstract] Cash and cash equivalents Cash And Cash Equivalents Line Item [Member] Primary financial statement caption encompassing cash and cash equivalents. Fair Value of Assets Derivative Asset Electric Vehicle Inventory Electric Vehicle Inventory [Member] Electric Vehicle Inventory Provision (benefit) for deferred taxes Total deferred income tax expense (benefit) Deferred Income Tax Expense (Benefit) Microsoft and other investors Microsoft, General Motors Holdings LLC and Other Investors [Member] Microsoft, General Motors Holdings LLC and Other Investors Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Voluntary Separation Program Voluntary Separation Program [Member] Voluntary Separation Program Government Assistance [Abstract] Government Assistance [Abstract] Revenue and others for Reportable Segment [Abstract] Segment Reporting Information, Revenue for Reportable Segment [Abstract] Finance lease liabilities Finance Lease, Liability Number of plaintiffs Loss Contingency, Number of Plaintiffs Document Financial Statement Error Correction [Flag] Document Financial Statement Error Correction [Flag] Recorded value of vested awards Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Amounts recorded in the consolidated balance sheets Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract] Maximum maturity period for highly liquid securities Maximum Maturity Period for Highly Liquid Securities Maximum original maturity period threshold for securities that are considered highly liquid. 'P90D' represents the reported fact of 90 days. ABO Defined Benefit Plan, Accumulated Benefit Obligation Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Product liability Loss Contingency Accrual, Product Liability, Gross Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Wholesale receivables funded by GM Financial, net Increase (decrease) in purchases of wholesale receivables, net Increase (decrease) in purchases (collections) of wholesale receivables for the reporting period, net Thereafter Long-term Debt and Finance Lease Obligations, Maturities, Repayments of Principal after Year Five Long-term Debt and Finance Lease Obligations, Maturities, Repayments of Principal after Year Five Decrease in equity due to preferred stock redemption Preferred Stock Redemption Premium Weighted-average interest rate on outstanding long-term debt Long-Term Debt, Weighted Average Interest Rate, at Point in Time Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Payments Restructuring payments Payments for Restructuring Document Period End Date Document Period End Date Accrued and Other Liabilities Accrued Liabilities and Other Liabilities [Text Block] Disclosure of components of accrued and other liabilities, including warranty liability. Adoption Date Trading Arrangement Adoption Date Additional basis differences Basis Difference Related to Fair Value Changes Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee. This amount represent the portion of basis difference attributable to fair value changes of the investees. Residual value of leased assets Operating Lease, Residual Value of Leased Asset Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Warranty provision Loss Contingency Accrual Weighted-average grant date fair value, granted (in dollars per share) Share Based Compensation Arrangement By Share Based Payment Award Option and Non-option Equity Instruments Grants In Period Weighted Average Grant Date Fair Value The weighted average grant date fair value of options and equity instruments other than options issued during the period, including both vested and nonvested instruments. Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Income tax expense (benefit) (Note 17) Total income tax expense (benefit) Income tax benefit (expense) Income Tax Expense (Benefit) Non-U.S. Non-US [Member] Designated as Hedges Designated as Hedging Instrument [Member] Net plan assets subject to leveling Defined Benefit Plan Fair Value of Plan Assets Measured on Recurring Basis Represents the fair value of plan assets (net of liabilities other than for benefits) measured on a recurring basis using the fair value hierarchy. Excludes plan assets and liabilities not measured at fair value. Charge-offs Financing Receivable, Allowance for Credit Loss, Writeoff Reclassification adjustment, net of tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Cash Equivalents [Abstract] Cash and Cash Equivalents [Abstract] GM Financial interest, operating and other expenses Operating Costs and Expenses Property Subject to or Available for Operating Lease, Net [Abstract] Property, Plant, and Equipment, Lessor Asset under Operating Lease [Abstract] Equity (Note 20) Equity [Abstract] Inventories Inventory Disclosure [Text Block] Weighted-average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Effective Income Tax Rate Reconciliation, Amount [Abstract] Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] 2025 Lessor, Operating Lease, Payment to be Received, Year Two China JVs China JVs China JVs [Member] China joint ventures. Amortization of net actuarial (gains) losses Defined Benefit Plan, Amortization of Gain (Loss) Increase in pension obligation Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease) Tax credit carryforwards Tax Credit Carryforward, Amount Financial Instrument Performance Status [Axis] Financial Instrument Performance Status [Axis] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Financing Receivable, Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Table] Retail Finance Receivables Delinquency Financing Receivable, Past Due [Table Text Block] Expected rate of return on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets $6.0 Billion Dollar Revolving Credit Facility Six Billion Dollar Revolving Credit Facility [Member] Six Billion Dollar Revolving Credit Facility Credit Facility [Domain] Credit Facility [Domain] Legal Entity Type of Counterparty [Domain] Legal Entity Type of Counterparty [Domain] Schedule of Fair Value Hedging Instruments Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Cumulative fair value adjustment on discontinued hedging relationships Derivative Liabilities, Fair Value Adjustment on Discontinued Hedging Relationships Derivative Liabilities, Fair Value Adjustment on Discontinued Hedging Relationships Estimated Useful Life in Years Property, Plant and Equipment, Useful Life Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] IV Subprime [Member] Realization of basis differences in affiliates Effective Income Tax Rate Reconciliation, Realization of Basis Differences in Affiliates, Amount The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to the realization of basis differences in affiliates. Discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Dealer and customer allowances, claims and discounts Dealer And Customer Allowances And Claims And Discounts Current Aggregate carrying value as of the balance sheet date of the liabilities for sales incentives, dealer and distributor related accruals, including marketing and advertising programs. Represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Postretirement benefits other than pensions (Note 15) Liability, Other Postretirement Defined Benefit Plan, Noncurrent Payments Policy, product warranty and recall campaigns - Payments Represents the aggregate decrease in the liability for payments made (in cash or in kind) to satisfy claims under the terms of the standard product warranty or related liabilities. Does not include any Increase or Decrease in the liability for payments related to extended product warranties. Interest rate contracts Interest Rate Contract [Member] Other Financing Other Financing [Member] Other Financing Germany, Spain, South Korea, United States and Brazil Germany, Spain, South Korea, United States and Brazil [Member] Germany, Spain, South Korea, United States and Brazil Settlements of prior year tax matters Effective Income Tax Rate Reconciliation, Tax Settlement, Amount Revenue Revenue from Contract with Customer [Text Block] Plan Scenario, Plan [Member] Settlements Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Additional Paid-in Capital Additional Paid-in Capital [Member] Document Annual Report Document Annual Report Cruise Class A-1, Class F and Class G Preferred Shares Cruise Class A-1, Class F and Class G Preferred Shares [Member] Cruise Class A-1, Class F and Class G Preferred Shares Balance Sheet Location [Axis] Balance Sheet Location [Axis] Equity income (loss)(b) Income (Loss) from Equity Method Investments Other liabilities Other Liabilities [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Cover [Abstract] Cover [Abstract] Category of Item Purchased [Axis] Category of Item Purchased [Axis] Tax Period [Axis] Tax Period [Axis] U.S. UNITED STATES Dividends paid Payments of Dividends Other liabilities (Note 12) Total other liabilities Other Liabilities, Noncurrent Schedule of Cash Flow, Supplemental Disclosures Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Deferred revenue expected to be recognized Revenue, Remaining Performance Obligation, Amount Special Tools Tools, Dies and Molds [Member] Cash Flow Hedges Cash Flow Hedging [Member] Total costs and expenses Operating Expenses Segment Reporting Segment Reporting Disclosure [Text Block] Cumulative Amount of Fair Value Hedging Adjustments Derivative Liabilities, Fair Value Adjustment Derivative Liabilities, Fair Value Adjustment Sovereign debt Debt Security, Government, Non-US [Member] Net increase (decrease) in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Secured Debt Secured Debt [Member] Equity Component [Domain] Equity Component [Domain] Number of certified class actions pending Number of Certified Class Actions Pending Number of Certified Class Actions Pending Pension contributions and OPEB payments Payment for Pension and Other Postretirement Benefits Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Number of votes per share Common Stock Voting Rights, Number of Votes per Share Number of votes per share that holders of our common stock are entitled to. Entity Current Reporting Status Entity Current Reporting Status Concentration Risk Type [Domain] Concentration Risk Type [Domain] Postemployment benefits including facility idling reserves Postemployment Benefits Including Facility Idling Reserves NonCurrent This represents the noncurrent liability recognized in the balance sheet that is associated with other postemployment benefits, resulting from restructuring programs including facility idling reserves. Operating income (loss) Operating Income (Loss) Property, net (Note 9) Total property, net Property, Plant, and Equipment, Excluding Lessor Asset under Operating Lease, after Accumulated Depreciation Revenue Recognition [Abstract] Revenue Recognition [Abstract] Cash and Cash Equivalents Cash and Cash Equivalents [Member] Equipment on Operating Leases Lessor, Leases [Policy Text Block] Consolidated Entities [Domain] Consolidated Entities [Domain] Excessive Oil Consumption Excessive Oil Consumption [Member] Excessive Oil Consumption Adjustments and other Standard and Extended Product Warranty Expense, Adjustments and Other Standard and Extended Product Warranty Expense, Adjustments and Other Segments [Axis] Segments [Axis] Subvention receivable Intercompany Receivable Intercompany Receivable Property, net and Special Tools Property, Plant and Equipment, Policy [Policy Text Block] Other comprehensive income (loss), net of tax (Note 20) Other Comprehensive Income (Loss), Net of Tax [Abstract] Scenario [Domain] Scenario [Domain] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Dealer network, customer relationships and other Customer Relationships [Member] Financing interest expense Financing Interest Expense Depreciation, amortization and impairment charges on Property, net Depreciation, amortization and impairment charges on Property The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets and finite-lived intangible assets over the assets' useful lives, as well as impairment charges on tangible and intangible assets. Includes production and non-production related depreciation and amortization. Type of Restructuring [Domain] Type of Restructuring [Domain] Non-cash pension curtailment and settlement charges Other Restructuring Costs Capitalized software Capitalized Computer Software, Net Consolidated Entities [Axis] Consolidated Entities [Axis] Net loss (income) attributable to noncontrolling interests Net (income) loss attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Pay vs Performance Disclosure [Line Items] Entity Voluntary Filers Entity Voluntary Filers Less: Supplier recoveries balance at end of period Policy, Product Warranty Receivable, Supplier Recoveries Policy, Product Warranty Receivable, Supplier Recoveries Statistical Measurement [Domain] Statistical Measurement [Domain] Underlying Security Market Price Change Underlying Security Market Price Change, Percent GM Financial receivables, net of allowance of $1,438 and $1,227 (Note 5; Note 11 at VIEs) GM Financial receivables, net of fees – non-current Financing Receivable, after Allowance for Credit Loss, Noncurrent DerivativeAssetStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag DerivativeAssetStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag DerivativeAssetStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag Debt Debt Disclosure [Text Block] Net income attributable to shareholders and transfers to the noncontrolling interests Net Income (Loss) Available to Stockholders and Transfers to Noncontrolling Interests Net Income (Loss) Available to Stockholders and Transfers to Noncontrolling Interests Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Research and Development Expenditures Research and Development Expense, Policy [Policy Text Block] Employer contributions to defined contribution plans Defined Contribution Plan, Employer Discretionary Contribution Amount Revolving Credit Facility Revolving Credit Facility [Member] Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] Effect of exchange rate changes on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations Less: cumulative dividends on subsidiary preferred stock Preferred Stock Dividends and Other Adjustments Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Performance Share Units (PSUs) Performance Shares [Member] Segment Reporting [Abstract] Segment Reporting [Abstract] Accounts payable (principally trade) Accounts Payable, Current Warranties issued and assumed in period – product warranty Warranties Issued And Assumed In Period, Product Warranty Represents the aggregate increase in the liability for accruals related to warranty issued during the reporting period. Does not include any increase in the liability for accruals related to extended product warranties. Real estate investments Defined Benefit Plan, Real Estate [Member] Restatement Determination Date: Restatement Determination Date [Axis] Investment, Name [Axis] Investment, Name [Axis] Investment, Name [Axis] Corporate debt Corporate Debt Securities [Member] Interest income and other non-operating income, net (Note 19) Total interest income and other non-operating income, net Nonoperating Income (Expense) Commitments and contingencies (Note 16) Commitments and Contingencies Expenditures for property Segment, Expenditure, Addition to Long-Lived Assets Corporate and other debt securities Defined Benefit Plan, Debt Security [Member] Committed capital contributions Long-Term Purchase Commitment, Amount Settlements and other Defined Benefit Plan, Other nonrecurring pension and other postretirement income or (expense) Other pension or other post retirement income or (expense) items in the period that are infrequent in occurrence or individually insignificant. Non-service pension and OPEB income (loss) Pension and Other Postretirement Benefits, Nonoperating Income Pension and Other Postretirement Benefits, Nonoperating Income Schedule of Goodwill [Table] Schedule of Goodwill [Table] Geographical [Axis] Geographical [Axis] Service period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period Less: accumulated depreciation Property, Plant, and Equipment, Lessor Asset under Operating Lease, Accumulated Depreciation Non-U.S. Foreign Plan [Member] 2019 Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year Income Taxes Income Tax Disclosure [Text Block] 2028 Defined Benefit Plan, Expected Future Benefit Payment, Year Five Restricted cash included in Other assets Restricted Cash and Cash Equivalents, Noncurrent Revenue Recognition Revenue [Policy Text Block] In repossession Financing Receivables, In Repossession [Member] Financing receivables that are in repossession Issuance (redemption) of subsidiary stock (Note 20) Payments for Repurchase of Preferred Stock and Preference Stock Remaining Contractual Term [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Option and Non-Option Equity Instruments Weighted Average Remainaing Contractual Term [Roll Forward] A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. Faulty 8- Speed Transmissions Faulty 8- Speed Transmissions [Member] Faulty 8- Speed Transmissions Change in valuation allowances Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Product Warranty and Related Liabilities Schedule of policy, product warranty and recall campaigns [Table Text Block] Table which summarizes the activity for policy, product warranty and recall campaigns for reporting periods. Percent Financing Receivable, including Past Due, Percent Financing Receivable, including Past Due, Percent PEO Total Compensation Amount PEO Total Compensation Amount Hedging Relationship [Axis] Hedging Relationship [Axis] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Foreign Currency Transactions and Translation [Abstract] Foreign Currency [Abstract] Debt Type [Axis] Debt Type [Axis] Information by type of debt Schedules of Fair Value of Plan Assets by Asset Class and Target Allocations Schedule of Allocation of Plan Assets [Table Text Block] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Level 3 Fair Value, Inputs, Level 3 [Member] 2024 Defined Benefit Plan, Expected Future Benefit Payment, Year One Operating Leases Lessor, Operating Leases [Text Block] Basis differences from reinvested earnings Basis Differences Resulting from Indefinitely Reinvested Earnings Amount of basis differences in investments in foreign subsidiaries and joint ventures as a result of earnings which are deemed indefinitely reinvested outside the United States. Litigation-related liability and tax administrative matters Estimated Litigation Liability Equity income (loss) (Note 8) Income (Loss) from Equity Method Investments Less Income From Operational Joint Venture Income (Loss) from Equity Method Investments Less Income From Operational Joint Venture Buildings and Improvements Building and Building Improvements [Member] Purchases of finance receivables Payments to Acquire Finance Receivables Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Allowance for Loan Losses Financing Receivable, Allowance for Credit Loss [Table Text Block] Fair Value Long-Term Debt, Fair Value Net income (loss) attributable to stockholders Net income (loss) attributable to stockholders Net Income (Loss) Fair value of stock incentive awards vested Total Fair Value of Options and Non-Option Equity Instruments Vested During Period The total fair value of options and non-option equity instruments that vested during the period. Total current liabilities Current liabilities Liabilities, Current Derivative Contract [Domain] Derivative Contract [Domain] Schedule of Projected Benefit Obligations in Excess of Fair Value of Plan Assets Defined Benefit Plan, Plan with Projected Benefit Obligation in Excess of Plan Assets [Table Text Block] Schedule of Notional Amounts for Derivative Financial Instruments Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Foreign Currency Transactions and Translation Foreign Currency Transactions and Translations Policy [Policy Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Company Selected Measure Name Company Selected Measure Name Debt Type [Domain] Debt Type [Domain] [Domain] for Debt Type [Axis] Total debt Debt and Lease Obligation LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Foreign currency translation adjustments Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) Consolidated [Abstract] Consolidated [Abstract] Purchase of common stock Amount of common stock purchased during period Stock Repurchased During Period, Value 2026 Long-term Debt and Finance Lease Obligations, Maturities, Repayments of Principal in Year Three Long-term Debt and Finance Lease Obligations, Maturities, Repayments of Principal in Year Three Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Accounts and Notes Receivable Receivable [Policy Text Block] Automotive and other cost of sales Cost of Goods and Services Sold Income Tax Contingency [Table] Income Tax Contingency [Table] Net amount recorded Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position Performance period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Five Year Revolving Credit Facility Five Year Revolving Credit Facility [Member] Five Year Revolving Credit Facility Nature of Operations and Basis of Presentation [Abstract] Nature of Operations and Basis of Presentation [Abstract] Nature of Operations and Basis of Presentation Common Class B Common Class B [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Foreign currency Foreign Exchange Contract [Member] Name Measure Name Name Forgone Recovery, Individual Name 0-to-30 days Not Past Due [Member] Not Past Due [Member] Goodwill Goodwill Additions to prior years' tax positions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Financial Instrument Performance Status [Domain] Financial Instrument Performance Status [Domain] Near-prime – FICO score 620 to 679 FICO Score, 620 to 679 [Member] FICO Score, 620 to 679 [Member] Underlying Securities Award Underlying Securities Amount Accounts receivable Increase (Decrease) in Accounts Receivable Forecast Forecast [Member] Accrued liabilities and Other liabilities Accrued Liabilities, Current and Other Liabilities, Noncurrent [Member] Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered and aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the balance sheet. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer). Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). 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Stock Incentive Awards Weighted Average Grant Date Fair Value (Per Share) [Roll Forward] Share Based Compensation Arrangement By Share Based Payment Award Option and Non-Option Equity Instruments Weighted Average Grant Date Fair Value [Roll Forward] A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. Weighted-average grant date fair value, settled (in dollars per share) Share Based Compensation Arrangement By Share Based Payment Award Option and Non-option Equity Instruments Settled In Period Weighted Average Grant Date Fair Value The weighted average grant date fair value of options and equity instruments other than options settled during the period. Net discount and debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Floorplan advances Floorplan Advances [Member] Floorplan Advances [Member] Change in benefit obligations Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Undistributed earnings Retained Earnings, Undistributed Earnings from Equity Method Investees Finance receivables more than 30 days delinquent Financing Receivables, Greater than 30 Days Past Due [Member] Financing receivables that are greater than 30 days past due. 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Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Table Text Block] Valuation of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Common stock number of shares issued (in shares) Common Stock, Shares, Issued Net actuarial loss Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax Employee separation charges Severance Costs Annual contribution Defined Benefit Plan, Maximum Annual Contributions Per Covered Member, Amount Defined Benefit Plan, Maximum Annual Contributions Per Covered Member, Amount Ultium Cells Holdings L L C Ultium Cells Holdings L L C [Member] Ultium Cells Holdings L L C Cumulative unrealized losses on available-for-sale debt securities Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Proceeds from sale of stock Sale of Stock, Consideration Received on Transaction Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Weighted-average period for total unrecognized compensation expense for nonvested equity awards Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Research and Development Expenditures [Abstract] Research and Development Expense [Abstract] Other financing activities Proceeds from (Payments for) Other Financing Activities Comprehensive income attributable to stockholders (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Schedule of Expected Net Benefit Payments Schedule of Expected Benefit Payments [Table Text Block] Ending funded status Defined Benefit Plan, Funded (Unfunded) Status of Plan Domestic Tax Authority Domestic Tax Authority [Member] Entity Address, Address Line One Entity Address, Address Line One Ultium Cells Holdings LLC Ultium Cells LLC [Member] Ultium Cells LLC Pension and OPEB income, net Pension and Other Postretirement Benefits Cost (Reversal of Cost) Fair Value of Plan Assets Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets Deferred income tax assets and liabilities [Line Items] Deferred income tax assets and liabilities [Line Items] Deferred income tax assets and liabilities [Line Items] Employee benefits excluding postemployment benefits Accrued Employee Benefits Noncurrent Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, and due beyond one year (or beyond one operating cycle if longer) for perquisites provided to employees pertaining to services received from them. Capitalized Interest and Software [Abstract] Capitalized Interest and Software [Abstract] Capitalized Interest and Software [Abstract] Total recorded in Accumulated other comprehensive loss Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax Summary of Components of Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Income Statement [Abstract] Income Statement [Abstract] SAIC Financial Holdings Company SAIC Financial Holdings Company [Member] SAIC Financial Holdings Company [Member] Defined Benefit Plan, Plan Assets, Category [Axis] Defined Benefit Plan by Plan Asset Categories [Axis] Defined Benefit Plan, Plan Assets, Category [Axis] Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Total cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Tax benefit (expense) Other Comprehensive Income (Loss) before Reclassifications, Tax Financing Receivable, Credit Quality Indicator [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] Fair Value of Liabilities Derivative Liability Supplier recoveries accrued in period Standard and Extended Product Warranty Expense, Supplier Recoveries Accrued in Period Standard and Extended Product Warranty Expense, Supplier Recoveries Accrued in Period Other current assets (Note 4; Note 11 at VIEs) Other Assets, Current Class of Stock [Line Items] Class of Stock [Line Items] Income tax expense at U.S. federal statutory income tax rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Non-current assets Assets for Plan Benefits, Defined Benefit Plan Number of joint ventures engaged in production, import and sale of products Equity Method Investments, Number of Joint Ventures Engaged in Production, Import and Sale of Products Equity Method Investments, Number of Joint Ventures Engaged in Production, Import and Sale of Products Diluted earnings per share Earnings Per Share, Diluted [Abstract] Nature of Operations and Basis of Presentation Nature of Operations and Basis of Presentation [Text Block] The entire disclosure for the nature of an entity's business, the major products or services it sells or provides and its principal markets, including the locations of those markets as well as the basis of presentation concept. If the entity operates in more than one business, the disclosure also indicates the relative importance of its operations in each business and the basis for the determination (for example, assets, revenues, or earnings). Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). Equity in net assets of nonconsolidated affiliates (Note 8) Equity in net assets of nonconsolidated affiliates Equity Method Investments Inventories (Note 6) Total inventories Inventory, Net Land Land [Member] Financial Instrument [Axis] Financial Instrument [Axis] Securitization notes payable Securitization notes payable [Member] Debt issued through securitization transactions. Fair value of GM Financial receivables Receivables, Fair Value Disclosure Advertising and Promotion Expenditures Advertising Cost [Policy Text Block] Equipment on Operating Leases, net [Abstract] Equipment on Operating Leases, net [Abstract] Equipment on Operating Leases, net [Abstract] Total Shareholder Return Amount Total Shareholder Return Amount Payments to purchase common stock (Note 20) Payments for Repurchase of Common Stock Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Non-U.S. Deferred Foreign Income Tax Expense (Benefit) Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Operating cash flows Related Party Net Cash Provided By Used In Operating Activities The net cash provided by (used in) operating activities resulting from transactions with related parties. Segments [Domain] Segments [Domain] Nonconsolidated VIE Variable Interest Entity, Not Primary Beneficiary [Member] Fair Value Hierarchy and NAV [Axis] Defined Benefit Plan, Fair Value of Plan Assets by Measurement [Axis] Fair Value Hierarchy and NAV [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Retained earnings Retained Earnings (Accumulated Deficit) Product Warranty and Related Liabilities [Roll Forward] Movement in the Aggregate Standard Product Warranty and Related Liabilities [Roll Forward] Reconciliation of the aggregate standard product warranty and related liabilities balance from the beginning of a period to the end of a period. Amount of debt issued Debt Instrument, Face Amount Current Assets Assets, Current [Abstract] Leased vehicle subvention earned Intercompany Transactions, Leased Vehicle Subvention Income Intercompany Transactions, Leased Vehicle Subvention Income Equity Method Investment, Nonconsolidated Investee [Domain] Equity Method Investment, Nonconsolidated Investee [Domain] Entity Address, State or Province Entity Address, State or Province Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Benefit obligation for pension plans (percent) Defined Benefit Plan, Pension Benefit Obligation, Percentage Defined Benefit Plan, Pension Benefit Obligation, Percentage Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Percentage recognized as pension expense in the first year Percentage Recognized as Pension Expense in the First Year An expected return on plan asset methodology is utilized to calculate future pension expense for certain significant funded benefit plans. A market-related value of plan assets methodology is also utilized that averages gains and losses on the plan assets over a period of years to determine future pension expense. The element represents the percentage recognized of the difference between the fair value of assets and the expected calculated value in the first year. Credit Score, FICO [Domain] Credit Score, FICO [Domain] DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag Basic Earnings per Common Share Earnings Per Share, Basic [Abstract] Equity Method Investment, Summarized Financial Information [Abstract] Equity Method Investment, Summarized Financial Information [Abstract] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Asset Class [Domain] Asset Class [Domain] Government and agency debt securities US and Sovereign Treasury and Government [Member] This category includes investments in debt securities issued by the United States Department of the Treasury, US Government Agencies, US Government-sponsored Enterprises, and Sovereign Governments. Such securities may include treasury bills (short-term maturities - one year or less), treasury notes (intermediate term maturities - two to ten years), and treasury bonds (long-term maturities - ten to thirty years), debt securities issued by the Government National Mortgage Association (Ginnie Mae) and debt securities issued by the Federal National Mortgage Association (Fannie Mae) or the Federal Home Loan Mortgage Corporation (Freddie Mac). 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Postretirement benefits other than pensions Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits Deferred income tax assets and liabilities [Table] Deferred Income Tax Assets and Liabilities [Table] Deferred Income Tax Assets and Liabilities [Table] SAIC-GMF Leasing Co., Ltd. SAIC-GMF Leasing Co., Ltd. [Member] SAIC-GMF Leasing Co., Ltd. [Member] Revised monthly basic benefit Defined Benefit Plan, Revised Monthly Basic Benefit Defined Benefit Plan, Revised Monthly Basic Benefit Schedule of Share-based Compensation Activity Share-Based Payment Arrangement, Activity [Table Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Increase (decrease) in accrual Loss Contingency Accrual, Period Increase (Decrease) All Executive Categories All Executive Categories [Member] Property Subject to or Available for Operating Lease, by Major Property Class [Table] Property, Plant, and Equipment, Lessor Asset under Operating Lease [Table] Deferred revenue Contract with Customer, Liability, Noncurrent Cash incentives receivable Cash Incentives Receivable Cash Incentives Receivable Number of loan Debt Instrument, Number of Loans Debt Instrument, Number of Loans Other adjustments Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Accumulated Other Comprehensive Loss [Table] Accumulated Other Comprehensive Income (Loss) [Table] Defined Benefit Plans Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Plan Name [Axis] Plan Name [Axis] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Plan assets measured at net asset value Defined Benefit Plan Fair Value of Plan Assets Measured Using Net Asset Value Represents the fair value of plan assets using net asset value. Excludes plan assets and liabilities not measured at fair value. Earnings per share (Note 21) Earnings Per Share [Abstract] Schedule of Variable Interest Entities Schedule of Variable Interest Entities [Table Text Block] SGM DY SGM DY [Member] SAIC GM Dong Yue Motors Co., Ltd. Common stock, $0.01 par value Common Stock, Value, Issued Due between one and five years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Organization, Consolidation and Presentation of Financial Statements [Abstract] Brands Trade Names [Member] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Amount of lease agreements not yet commenced Lessor, Operating Lease, Lease Not yet Commenced, Amount Lessor, Operating Lease, Lease Not yet Commenced, Amount Senior Notes Senior Notes [Member] 2024 Long-term Debt and Finance Lease Obligations, Repayments of Principal in Next Twelve Months Long-term Debt and Finance Lease Obligations, Repayments of Principal in Next Twelve Months Deferred income tax expense (benefit) Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Summarized Financial Data for Nonconsolidated Affiliates Summarized Financial Data of Equity Method Investees [Table Text Block] Tabular disclosure of aggregated summarized financial data for equity-method investees for the reporting period, including but not limited to, balance sheet, income statements etc. Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] 2028 Lessor, Operating Lease, Payment to be Received, Year Five 2025 Long-term Debt and Finance Lease Obligations, Maturities, Repayments of Principal in Year Two Long-term Debt and Finance Lease Obligations, Maturities, Repayments of Principal in Year Two Rent expense Payments for Rent Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] All Individuals All Individuals [Member] Advertising and Promotion Expenditures [Abstract] Marketing and Advertising Expense [Abstract] Licensing agreements income Licensing Income, Nonoperating Licensing Income, Nonoperating Equipment on operating leases, net (Note 7; Note 11 at VIEs) Operating Lease, Right-of-use Asset, Noncurrent Operating Lease, Right-of-use Asset, Noncurrent Other Other Nonoperating Income (Expense) Litigation Case [Domain] Litigation Case [Domain] Entity Filer Category Entity Filer Category Years of service Defined Benefit Pension Plan, Number of Years of Service For U.S. and Canadian hourly employees hired prior to specified dates, represents the required number of years of service, before normal retirement age, to be eligible for supplemental benefits. Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Schedule of Debt Instruments [Table] Schedule of Short-term and Long-term Debt [Table] Schedule of Short-term and Long-term Debt [Table] Statement [Table] Statement [Table] Current Fiscal Year End Date Current Fiscal Year End Date Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Balance at beginning of period Balance at end of period Unrecognized Tax Benefits Income Tax Authority [Axis] Income Tax Authority [Axis] PEO Name PEO Name Preferred stock shares authorized (in shares) Preferred Stock, Shares Authorized Settled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Option and Non-option Equity Instruments, Exercised Number of option and non-option equity instruments exercised by participants. GM Financial Receivables and Transactions Financing Receivables [Text Block] 2029–2033 Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years Preferred stock shares outstanding (in shares) Preferred Stock, Shares Outstanding Tax credit carryforwards indefinitely Deferred Tax Assets, Tax Credit Carryforwards Dealer Financing Dealer Financing [Member] Dealer Financing Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Percent Financing Receivable, Percent Past Due Marketable debt securities (Note 4) Debt Securities, Available-for-Sale, Current Other Other Accrued Liabilities, Current Other income Other Income Corporate Corporate, Non-Segment [Member] Pension and other employee benefit plans Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions Payments to acquire additional investment Payments to Acquire Additional Interest in Subsidiaries SoftBank SoftBank [Member] SoftBank Change in other operating assets and liabilities (Note 24) Total Increase (Decrease) in Other Operating Assets and Liabilities, Net Amount awarded to other party Litigation Settlement, Amount Awarded to Other Party Prior Financing Receivable, Originated, More than Five Years before Current Fiscal Year Finance Receivables [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Canada, United Kingdom and Germany Canada, United Kingdom and Germany [Member] Canada, United Kingdom and Germany Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Total stockholders’ equity Equity, Attributable to Parent Adjustments to pre-existing warranties Policy, product warranty and recall campaigns - preexisting adjustments Represents the aggregate Increase or Decrease in the liability during the reporting period for accruals related to preexisting standard product warranties (including adjustments related to changes in estimates) and related liabilities. Does not include any Increase or Decrease in the liability for accruals related to extended product warranties. Unrecognized tax benefit that would favorably affect effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Legal Entity of Counterparty, Type [Axis] Legal Entity of Counterparty, Type [Axis] Revenue recognition term of separate and bundled services Revenue Recognition, Separate and Bundled Services, Term Revenue Recognition, Separate and Bundled Services, Term Product warranty and related liabilities Policy, Product Warranty, Recall Campaigns and Courtesy Transportation Accrual, Current Current portion of amount as of the balance sheet date of the aggregate standard product warranty and related liabilities. Does not include the balance for the extended product warranty liability. Purchases of leased vehicles Payment for Acquisition, Lease, Held-for-Investment GMI GMI [Member] GMI [Member] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Expected option life Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Interest Income and Other Non-Operating Income Other Income and Other Expense Disclosure [Text Block] Impairment charges Tangible Asset Impairment Charges Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Not Designated as Hedges Not Designated as Hedging Instrument [Member] Financing Receivable, Past Due [Line Items] Financing Receivable, Past Due [Line Items] Restructuring and Other Initiatives Restructuring and Related Activities Disclosure [Text Block] Current liabilities Liability, Defined Benefit Plan, Current Hedging Designation [Domain] Hedging Designation [Domain] Level 2 Fair Value Level 2 Fair Value, Inputs, Level 2 [Member] Basis Difference Equity Method Investment, Difference Between Carrying Amount and Underlying Equity Number of putative class actions pending Number of Putative Class Actions Pending Number of Putative Class Actions Pending Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Amount of stock issued during period Shares Granted, Value, Share-Based Payment Arrangement, after Forfeiture Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Common Stock Repurchase Program Common Stock Repurchase Program [Member] Common Stock Repurchase Program Accrued and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Available under credit facility agreements Line of Credit Facility, Remaining Borrowing Capacity 2026 Lessee, Operating Lease, Liability, to be Paid, Year Four Foreign Tax Authority Foreign Tax Authority [Member] City Area Code City Area Code Financial Asset, Period Past Due [Domain] Financial Asset, Aging [Domain] Product and Service [Axis] Product and Service [Axis] Earnings Per Share Earnings Per Share [Text Block] Ownership Percentage Equity Method Investment, Ownership Percentage Cash payments to GM Financial Intersegment Eliminations, Subvention Paid Intersegment Eliminations, Subvention Paid 31-to-60 days Financing Receivables, 31 to 60 Days Past Due [Member] Financing receivables that are more than 30 days past due but fewer than 61 days past due. Document Fiscal Year Focus Document Fiscal Year Focus Stock Incentive Plans Narratives [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Services and other Services and Other [Member] Services and Other [Member] Geographical [Domain] Geographical [Domain] Interest expense and financing interest expense Interest Expense [Table Text Block] Schedule of interest expense for all debt for the reporting periods Inventory [Domain] Inventory [Domain] Intercompany Transactions Schedule of Intercompany Transactions [Table Text Block] Schedule of Intercompany Transactions [Table Text Block] Increase in product warranty accrual Standard Product Warranty Accrual, Period Increase (Decrease) Share Repurchase Program [Domain] Share Repurchase Program [Domain] Receivables [Abstract] Receivables [Abstract] Exercise Price Award Exercise Price Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Cash dividends paid on common stock Cash dividends paid on common stock Dividends, Common Stock, Cash Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Other joint ventures Other joint ventures [Member] Other nonconsolidated affiliates other than Automotive China joint ventures. Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Net income (loss) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Cash paid for income taxes, net Income Taxes Paid, Net Revisions to estimates and effect of foreign currency Restructuring Reserve, Accrual Adjustment including Foreign Currency Amount of any reversal and other adjustment made during the period to the amount of a previously accrued liability for a specified type of restructuring cost including foreign currency translation adjustments, excluding adjustments for costs incurred during the period and costs settled during the period. Thereafter Lessor, Operating Lease, Payment to be Received, after Year Five Commitments and Contingencies Commitments Contingencies and Guarantees [Text Block] Increased capacity under common stock repurchase plan Stock Repurchase Program, Increase in Authorized Amount Stock Repurchase Program, Increase in Authorized Amount Property, Plant and Equipment Property, Plant and Equipment [Member] Total Liabilities and Equity Liabilities and Equity Other assets (Note 4; Note 11 at VIEs) Other Assets, Noncurrent Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Business exit costs Business Exit Costs Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Automotive Automotive [Member] Represents the Automotive section for segment consolidation Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Non-U.S. Current Foreign Tax Expense (Benefit) Net income (loss) attributable to common stockholders – diluted Net Income (Loss) Available to Common Stockholders, Diluted Discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Total property Property, Plant, and Equipment, Excluding Lessor Asset under Operating Lease, before Accumulated Depreciation Arrangement Duration Trading Arrangement Duration Entity Address, City or Town Entity Address, City or Town Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Inventory, Current [Table] Inventory, Current [Table] Total interest expense Interest Expense and Financing Interest Expense Interest Expense and Financing Interest Expense $2.0 Billion Dollar Revolving Credit Facility Two Billion Dollar Revolving Credit Facility [Member] Two Billion Dollar Revolving Credit Facility [Member] Warranties, dealer and customer allowances, claims and discounts Deferred Tax Assets; Warranties, Allowances, Claims, Discounts Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from warranty reserves, dealer and customer allowances, claims and discounts. Business Group [Domain] Business Group [Domain] [Domain] for Information by reporting groups. Operating loss carryforwards, not subject to expiration Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration Equipment on operating leases Property, Plant, and Equipment, Lessor Asset under Operating Lease, before Accumulated Depreciation Additions, interest accretion and other Restructuring Charges Property, Plant and Equipment, Net, by Type [Abstract] Property, Plant and Equipment, Net, by Type [Abstract] Undistributed earnings of nonconsolidated affiliates, net Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Remaining authorized repurchase amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Termination Date Trading Arrangement Termination Date Common stock shares authorized (in shares) Common Stock, Shares Authorized Capitalized software amortization expense Capitalized Computer Software, Amortization Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Table] Total available-for-sale debt securities with contractual maturities Total available-for-sale debt securities with contractual maturities Debt Securities, Available-for-Sale Automotive China JVs Automotive China Joint Ventures [Member] Automotive China joint ventures. Number of interests in other joint ventures Equity Method Investments, Number of Interests in Other Joint Ventures Equity Method Investments, Number of Interests in Other Joint Ventures Financial Asset, Period Past Due [Axis] Financial Asset, Aging [Axis] Summary of Investment Holdings [Line Items] Summary of Investment Holdings [Line Items] Tax credit carryforwards, subject to expiration Deferred Tax Assets, Tax Credit Carryforwards, Subject to Expiration Deferred Tax Assets, Tax Credit Carryforwards, Subject to Expiration SGMS SGMS [Member] SAIC General Motors Sales Co., Ltd. Payments for repurchase of equity Payments for Repurchase of Equity Dilutive effect of warrants and awards under stock incentive plans (in shares) Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants SAIC SAIC [Member] Shanghai Automotive Industry Corporation Pension and Other Postretirement Plans [Abstract] Defined Benefit Plan, Assumptions Used in Calculations [Abstract] Derivative [Line Items] Derivative [Line Items] Award Timing Disclosures [Line Items] Property, Net Property, Net [Member] Property, Net Incentive income Incentive Benefit Expense Incentive Benefit Expense SGM SGM [Member] SAIC General Motors Corp., Ltd. Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Comprehensive loss (income) attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Additional paid-in capital Additional Paid in Capital Inventory [Axis] Inventory [Axis] Amendments Defined Benefit Plan, Amendments Defined Benefit Plan, Amendments Supplemental Information for the Consolidated Statements of Cash Flows Cash Flow, Supplemental Disclosures [Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Short-term debt and current portion of long-term debt (Note 13) GM Financial short-term debt and current portion of long-term debt Debt, Current Amounts recorded in Accumulated other comprehensive loss Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract] Estimated amortization expense, 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Three GM Financial receivables GM Financial receivables, net of fees Financing Receivable, before Allowance for Credit Loss Insider Trading Arrangements [Line Items] Related Party [Axis] Related Party, Type [Axis] Principal collections and recoveries on finance receivables Proceeds from Collection of Finance Receivables Shanghai OnStar Shanghai Onstar [Member] Shanghai OnStar Telematics Co., Ltd. Warranty balance at beginning of period Warranty balance at end of period Policy, Product warranty and Recall campaigns - Accrual Amount as of the balance sheet date of the aggregate standard product warranty and related liabilities. Does not include the balance for the extended product warranty liability. Technology and intellectual property Intellectual Property [Member] Entity Registrant Name Entity Registrant Name Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Award Timing Method Award Timing Method [Text Block] Change in other assets Increase (Decrease) in Other Operating Assets Estimated amortization expense, 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Two Period past due threshold for suspending accrual of finance charge income Maximum Period Past Due before Suspension of Accrual of Finance Charge Income Maximum period past due before the accrual of finance charge income is suspended. Adjustment to Compensation, Amount Adjustment to Compensation Amount Automotive Cost of Sales Cost of Sales [Member] Noncontrolling interests Equity, Attributable to Noncontrolling Interest Cruise Cruise [Member] Cruise [Member] Auditor Name Auditor Name Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Finance lease liabilities, Fair Value Finance Lease Liabilities, Fair Value Disclosure Finance Lease Liabilities, Fair Value Disclosure Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Entity Central Index Key Entity Central Index Key Compensation expense Share-Based Payment Arrangement, Expense Long-term Unsecured Debt Long-Term Debt [Member] Restricted cash - current Restricted Cash and Investments, Current Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Finished product, including service parts Inventory, Finished Goods, Net of Reserves Income Tax Authority [Domain] Income Tax Authority [Domain] Name Trading Arrangement, Individual Name Schedule of Revenue by Major Source Disaggregation of Revenue [Table Text Block] Issuance (redemption) of subsidiary stock (Note 20) Stock Issued During Period, Value, New Issues Non-U.S. income taxed at other than the U.S. federal statutory tax rate Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Automotive Automotive net sales and revenue Revenue from Contract with Customer, Excluding Assessed Tax Entity [Domain] Entity [Domain] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Proceeds from issuance of debt (original maturities greater than three months) Proceeds from Debt, Maturing in More than Three Months Amendment Flag Amendment Flag Legal Entity [Axis] Legal Entity [Axis] Fair Value Hedges Fair Value Hedging [Member] Number of years used for valuation allowance methodology Valuation Allowance Methodology Number Of Years Utilized Number of rolling years of actual and current year results utilized as the primary measure of cumulative losses for purposes of establishing the deferred tax asset valuation allowance. GM Financial GM Financial GM Financial Segment [Member] Represents the GM Financial segment. Proceeds from termination of leased vehicles Proceeds from Sale, Lease, Held-for-Investment Tax Period [Domain] Tax Period [Domain] Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Subsequent period over which pension expense adjustment is amortized Period Of Time Over Which Pension Expense Adjustment Is Amortized The period of time over which expected expense on pension plan assets is amortized, after the first year. Cash Paid for Interest (net of amounts capitalized) Interest Paid, Excluding Capitalized Interest, Operating Activities Due in one year or less Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Marketable Securities [Abstract] Marketable Securities [Abstract] Investment funds Investment Funds [Member] Investment that pools funds from investors to invest in a combination of underlying investments. This category primarily includes fixed income funds, equity funds and fund of hedge funds. Total deferred tax liabilities Deferred Tax Liabilities, Net Actual return on plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Weighted-average common shares outstanding – diluted (in shares) Weighted-average common shares outstanding – diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Assets, Total Assets, Total [Member] Schedule of Property Subject to or Available for Operating Lease Lessor, Operating Lease, Carrying Value of Assets Subject to Leases [Table Text Block] Lessor, Operating Lease, Carrying Value of Assets Subject to Leases [Table Text Block] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Standard and Extended Product Warranty [Abstract] Standard and Extended Product Warranty [Abstract] Standard and Extended Product Warranty Money market funds Money Market Funds, at Carrying Value Chevrolet Bolt EV Recall Chevrolet Bolt EV Recall [Member] Chevrolet Bolt EV Recall Recoveries Financing Receivable, Allowance for Credit Loss, Recovery Expenditures for property Payments to Acquire Property, Plant, and Equipment Company Selected Measure Amount Company Selected Measure Amount Net unrealized losses on available-for-sale debt securities Debt Securities, Available-for-Sale, Unrealized Gain (Loss) Foreign currency remeasurement and transaction (gains) losses Foreign Currency Remeasurement and Transaction Gains (Losses) The aggregate realized and unrealized foreign currency transaction gain or loss, net (pretax) or remeasurement gain or loss, net (pretax) included in determining net income for the reporting period. Represents the aggregate of gains or losses, net, on foreign currency transactions that are unsettled as of the balance sheet date, which is therefore an adjustment to reconcile income or loss from continuing operations to net cash provided by or used in continuing operations. Also includes the gains or losses associated with remeasuring foreign currency denominated entities into the functional currency of those entities. Excludes foreign currency transactions designated as hedges of net investment in a foreign entity. 2027 Defined Benefit Plan, Expected Future Benefit Payment, Year Four Total Assets Assets Total Assets Assets Name Awards Close in Time to MNPI Disclosures, Individual Name Share Repurchase Program [Axis] Share Repurchase Program [Axis] Percentage of pension expense recognized in each of the next four years Percentage of Pension Expense Recognized in the Next Four Years An expected return on plan asset methodology is utilized to calculate future pension expense for certain significant funded benefit plans. A market-related value of plan assets methodology is also utilized that averages gains and losses on the plan assets over a period of years to determine future pension expense. The element represents the percentage recognized of the difference between the fair value of assets and the expected calculated value in each of the next four years after the first year. Equipment Equipment [Member] Interest income Investment Income, Nonoperating Stock based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Non-NEOs Non-NEOs [Member] Construction in Progress Construction in Progress [Member] Automotive purchases, net Related Party Transaction, Purchases from Related Party Automotive interest income Interest Income Interest income received from interest bearing assets. The balance includes income earned in return for depositing or lending money that can include income from time deposits, demand deposits, savings accounts, certificates of deposit, money market deposits, bonds, and loans. Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Defined Benefit Plan, Plan Assets, Category [Domain] Defined Benefit Plan, Plan Assets, Category [Domain] Pension Plan Pension Plan [Member] Income (loss) before income taxes and equity income (loss) Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Foreign currency swaps Foreign Currency Swaps [Member] Foreign Currency Swaps [Member] Non-PEO NEO Non-PEO NEO [Member] Target allocations Defined Benefit Plan, Plan Assets, Target Allocation, Percentage Adjustment to Compensation: Adjustment to Compensation [Axis] Equipment on operating leases, net GM Financial equipment on operating leases, net Property, Plant, and Equipment, Lessor Asset under Operating Lease, after Accumulated Depreciation Operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Scenario [Axis] Scenario [Axis] Debt Instrument [Line Items] Debt Instrument [Line Items] Weighted-average common shares outstanding – basic (in shares) Weighted-average common shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Other Unrecognized Tax Benefits Other Increase (Decrease) This element represents a sum total of additions or reductions to reserves not separately reflected in the tabular roll for the period. Property, plant and equipment Deferred Tax Liabilities, Property, Plant and Equipment Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Net sales and revenue Revenues [Abstract] Plans with ABO in Excess of Plan Assets [Abstract] Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract] Lease receipts under operating leases Operating Leases, Future Minimum Payments Receivable [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Statement [Line Items] Statement [Line Items] Statement [Line Items] Numbers of options vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Intangible assets Deferred Tax Liabilities, Intangible Assets Performance-based Employee Stock Options Performance-based Employee Stock Options [Member] Performance-based Employee Stock Options [Member] Noncontrolling Interests Noncontrolling Interest [Member]