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Date 7.200% notes due 2027 Notes 7.200% Due 2027 [Member] Notes 7.200% Due 2027 Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Derivative [Line Items] Derivative [Line Items] Expected period for protests to be resolved Income Tax Examination, Expected Protest Resolution, Period Income Tax Examination, Expected Protest Resolution, Period International Aero Engines LLC (IAE LLC) International Aero Engines LLC [Member] International Aero Engines LLC [Member] 6.100% notes due 2034 Notes 6.100% due 2034 [Member] Notes 6.100% due 2034 Shares of common stock repurchased (in shares) Stock Repurchased During Period, Shares Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Dividends declared per share of common stock (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Service cost Defined Benefit Plan, Service Cost Common stock plans activity Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Income Tax, Examination [Table] Income Tax, Examination [Table] Dividends attributable to noncontrolling interest Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders 5.700% notes due 2040 Notes 5.700% Due 2040 [Member] Debt security issued by a domestic corporate business entity with a promise of repayment. 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Termination Date Trading Arrangement Termination Date Other Commitments [Axis] Other Commitments [Axis] Fair Value Disclosure of Asset and Liability Not Measured at Fair Value [Table] Fair Value Disclosure of Asset and Liability Not Measured at Fair Value [Table] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other assets Other Assets, Noncurrent Document Type Document Type Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fixed-price Fixed-Price Contract [Member] 3.125% notes due 2050 Notes 3.125% Due 2050 [Member] Notes 3.125% Due 2050 Fair Value as of Grant Date Award Grant Date Fair Value Schedule of Indefinite-Lived Intangible Assets Intangible Asset, Indefinite-Lived [Table Text Block] Schedule of Goodwill [Table] Goodwill [Table] Current pension and PRB liabilities (included in Accrued employee compensation) Liability, Defined Benefit Plan, Current Schedule of Change in Accounting Estimate [Table] Change in Accounting Estimate [Table] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number PRB Other Postretirement Benefits Plan [Member] Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies (Note 16) Commitments and Contingencies 6.800% notes due 2036 Notes 6.800% Due 2036 [Member] Debt security issued by a domestic corporate business entity with a promise of repayment. Gross Amount Intangible Asset, Finite-Lived, before Accumulated Amortization Collins Aerospace Collins Aerospace [Member] Collins Aerospace [Member] Fixed assets Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] 2030 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Income tax benefit (expense) related to items of other comprehensive (loss) income Tax benefit (expense) Other Comprehensive Income (Loss), Tax Goodwill [Roll Forward] Goodwill [Roll Forward] Liabilities, Redeemable Noncontrolling Interest, and Equity Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Inventory, net Total inventory, net Inventory, Net All Award Types Award Type [Domain] 7.100% notes due 2027 Notes 7.100% Due 2027 [Member] Debt security issued by a domestic corporate business entity with a promise of repayment. Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fair Value Measurements Fair Value Disclosures [Text Block] Balance as of January 1 Balance as of September 30 Standard and Extended Product Warranty Accrual Schedule of Variable Interest Entities [Table] Variable Interest Entity [Table] Level 3 Fair Value, Inputs, Level 3 [Member] Guarantees and Product Warranties [Abstract] 2027 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] PEO Name PEO Name Geographical [Axis] Geographical [Axis] 2.650% notes due 2026 Notes 2.650% Due 2026 [Member] Debt security issued by a foreign corporate business entity with a promise of repayment. Less: Restricted cash, included in Other assets, current and Other assets Restricted Cash Non-service pension income Non-service pension income Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component Unrealized Hedging Gains (Losses) Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Other Segment Items Segment Reporting, Other Segment Item, Amount Recognized actuarial net loss Defined Benefit Plan, Actuarial Gain (Loss), Immediate Recognition as Component in Net Periodic Benefit (Cost) Credit Commercial aerospace financing arrangements Commercial Aerospace Financing Arrangements [Member] Commercial Aerospace Financing Arrangements Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Receipts from settlements of derivative contracts, net Payments for (Proceeds from) Derivative Instrument, Investing Activities Common stock repurchased Treasury Stock, Value, Acquired, Cost Method Cash, cash equivalents, and restricted cash, beginning of period Cash, cash equivalents, and restricted cash, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Settlements Standard and Extended Product Warranty Accrual, Decrease for Payments Other accrued liabilities Other Accrued Liabilities, Current Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] FAS/CAS operating adjustment FAS/CAS Operating Adjustment [Member] FAS/CAS Operating Adjustment Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Stock compensation cost Share-Based Payment Arrangement, Noncash Expense 2028 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two 2.150% Notes due 2030 2.150% Notes due 2030 Notes 2.150% Due 2030 [Member] Notes 2.150% Due 2030 [Member] 6.050% notes due 2036 Notes 6.050% Due 2036 [Member] Debt security issued by a domestic corporate business entity with a promise of repayment. Acquisition accounting adjustments Acquisition Accounting Adjustments [Member] Acquisition Accounting Adjustments Disposal Group Name [Axis] Disposal Group Name [Axis] Customer [Domain] Customer [Domain] Schedule of Inventory, Net Schedule of Inventory, Current [Table Text Block] Schedule of Fair Value of Derivative Instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Basic (in dollars per share) Earnings Per Share, Basic Segment Reconciling Items [Axis] Segment Reconciling Items [Axis] Segment Reconciling Items Repurchase of common stock Payments for Repurchase of Common Stock Contract liabilities Contract liabilities Contract with Customer, Liability, Current Total current assets Current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Award Type Award Type [Axis] 4.875% notes due 2040 Notes 4.875% Due 2040 [Member] Notes 4.875% Due 2040 Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Redeemable noncontrolling interest Temporary Equity, Including Noncontrolling Interest Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Pension Pension Plan [Member] Common Stock Common Stock [Member] Pre-tax gain on sale of business Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Fair Value Measurement [Domain] Fair Value Measurement [Domain] Effect of Change in Accounting Estimate, Type [Axis] Effect of Change in Accounting Estimate, Type [Axis] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] 5.150% notes due 2033 Notes 5.150% Due 2033 [Member] Notes 5.150% Due 2033 4.500% notes due 2042 Notes 4.500% Due 2042 [Member] Debt security issued by a domestic corporate business entity with a promise of repayment. Net gains on equity securities without readily determinable fair value Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount Equity Awards Adjustments Equity Awards Adjustments [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] 4.050% notes due 2047 Notes 4.050% Due 2047 [Member] Notes 4.050% Due 2047 [Member] Total liabilities, redeemable noncontrolling interest, and equity Liabilities and Equity Employee Stock Option Share-Based Payment Arrangement, Option [Member] Amounts reclassified, pre-tax Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Noncontrolling interest Equity, Attributable to Noncontrolling Interest Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Schedule of Accounts Receivables, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Tabular List, Table Tabular List [Table Text Block] 1.900% notes due 2031 Notes 1.900% due 2031 [Member] Notes 1.900% due 2031 Other (including finance leases) Other Long-Term Debt Increase in other intangible assets Payments to Acquire Intangible Assets 2031 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Five 2029 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three Remaining 2026 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year Other income, net Other Operating Income (Expense), Net Name Awards Close in Time to MNPI Disclosures, Individual Name Share-based 401(k) matching contributions Defined Contribution Plan, Cost, Noncash Defined Contribution Plan, Cost, Noncash Middle East and North Africa Middle East and North Africa Member [Member] Middle East and North Africa Member Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Long-term debt (excluding finance leases) Long-term debt (excluding capitalized leases) Fair Value Disclosure This element is used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. This element represents the fair value of long-term borrowings (excluding capitalized leases). Carrying Amount Portion at Other than Fair Value Measurement [Member] Accounts receivable, net Receivables, Net, Current Adjustment to Compensation: Adjustment to Compensation [Axis] Number of pending claims Loss Contingency, Pending Claims, Number Increase in the allowance for expected credit losses Contract with Customer, Asset, Allowance for Credit Loss, Period Increase (Decrease) Less: Redeemable noncontrolling interest net income Net Income (Loss) Attributable to Redeemable Noncontrolling Interest 3 Month SOFR plus 1.225% term loan due 2025 3 Month SOFR plus 1.225% due 2025 [Member] 3 Month SOFR plus 1.225% due 2025 Class of Stock [Domain] Class of Stock [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Net settlement, curtailment, and special termination benefit loss (gain) Defined Benefit Plan, 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[Domain] Fair Value Hierarchy and NAV [Domain] Financing and other contractual commitments Fair Value Disclosure, off-Balance-Sheet Risks, Amount, Liability Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Change in unrealized cash flow hedging Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax Retirement Plan Type [Domain] Retirement Plan Type [Domain] Entity Filer Category Entity Filer Category Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and cash equivalents, end of period Cash and Cash Equivalent Compliance period Loss Contingency, Compliance, Period Loss Contingency, Compliance, Period Raw materials Inventory, Raw Materials, Net of Reserves Ownership share percentage Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Company Selected Measure Amount Company Selected Measure Amount 3.125% notes due 2027 Notes 3.125% Due 2027 [Member] Notes 3.125% Due 2027 [Member] Shares of common stock issued under employee plans, net (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Net income Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Program share interest percentage Variable Interest Entity, Qualitative of Quantitative Information, Net Percentage Net percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity. 3.500% notes due 2027 Notes 3.500% Due 2027 [Member] Notes 3.500% Due 2027 [Member] Current Assets Assets, Current [Abstract] Derivative liabilities Derivative Liability Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Income tax expense Income Tax Expense (Benefit) Payment for loss contingency accrued Loss Contingency Accrual, Payments Cost of sales Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Acquisitions and Divestitures Goodwill, Acquired During Period And Written Off Related To Sale Of Business Unit, Net Goodwill, Acquired During Period And Written Off Related To Sale Of Business Unit, Net Net increase in cash, cash equivalents, and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] Cost-type Time-and-Materials Contract [Member] Net periodic pension and other postretirement income Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] Net income attributable to common shareowners Net income attributable to common shareowners Net income attributable to common shareowners Net Income (Loss) Attributable to Parent Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Balance Sheet Location [Axis] Location, Statement of Financial Position, Balance [Axis] Statement [Table] Statement [Table] Segment reconciling items Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Restatement Determination Date: Restatement Determination Date [Axis] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Contract Assets and Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Accounts receivable Increase (Decrease) in 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