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Non-current pension assets (included in Other assets) Assets for Plan Benefits, Defined Benefit Plan Changes in Contract Estimates at Completion Change in Accounting Estimate [Text Block] Assets Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount 4.125% notes due 2028 Notes 4.125% Due 2028 [Member] Notes 4.125% Due 2028 [Member] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] 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. 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Equity Comprehensive Income (Loss) Note [Text Block] Equity Components [Axis] Equity Components [Axis] 2019 U.S. Defense Contract Management Agency Claim Against Pratt & Whitney 2019 U.S. Defense Contract Management Agency Claim Against Pratt & Whitney [Member] 2019 U.S. Defense Contract Management Agency Claim Against Pratt & Whitney [Member] Product and Service [Domain] Product and Service [Domain] Entity Interactive Data Current Entity Interactive Data Current Less: Noncontrolling interest in subsidiaries’ earnings Net Income (Loss) Attributable to Noncontrolling Interest Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Defined contribution plans Defined Contribution Plan, Cost Entity Small Business Entity Small Business Comprehensive income attributable to common shareowners Comprehensive Income (Loss), Net of Tax, Attributable to Parent Commercial 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[Member] 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] 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 Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number 3.125% notes due 2027 Notes 3.125% Due 2027 [Member] Notes 3.125% Due 2027 [Member] PRB Other Postretirement Benefits Plan [Member] 4.200% notes due 2044 Notes 4.200% Due 2044 [Member] Notes 4.200% Due 2044 Consolidation Items [Axis] Consolidation 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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 (expense) benefit Other Comprehensive Income (Loss), Tax 5.000% notes due 2026 Notes 5.000% Due 2026 [Member] Notes 5.000% Due 2026 4.800% notes due 2043 Notes 4.800% Due 2043 [Member] Notes 4.800% Due 2043 [Member] 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] 7.000% notes due 2028 Notes 7.000% Due 2028 [Member] Notes 7.000% Due 2028 Inventory, net Total inventory, net Inventory, Net All Award Types Award Type [Domain] 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 June 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] Increase in contract assets Contract With Customer, Asset, Change Contract With Customer, Asset, Change 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] 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 Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number 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. Receipts from settlements of derivative contracts, net Payments for (Proceeds from) Derivative Instrument, Investing Activities 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. 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] Consent Agreement Consent Agreement [Member] Consent Agreement 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 Segment Reconciling Items [Domain] Segment Reconciling Items [Domain] Segment Reconciling Items [Domain] 2028 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two Net program share percentage Net Program Share, Percentage Net Program Share, Percentage Foreign government direct commercial sales Foreign Government Direct Commercial Sales [Member] Foreign Government Direct Commercial Sales 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 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] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] 6.400% notes due 2054 Notes 6.400% due 2054 [Member] Notes 6.400% due 2054 Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] 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 Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in 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Engines LLC [Member] International Aero Engines LLC [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] 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 4.625% notes due 2048 Notes 4.625% Due 2048 [Member] Notes 4.625% Due 2048 [Member] 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] 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 Corporate, eliminations, and other Corporate, Reconciling Items And Eliminations [Member] Corporate, Reconciling Items And Eliminations 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] Carrying Amount Portion at Other than Fair Value Measurement [Member] Accounts receivable, net Receivables, Net, Current Adjustment to Compensation: Adjustment to Compensation [Axis] 7.500% notes due 2029 Notes 7.500% Due 2029 [Member] Debt security issued by a domestic corporate business entity with a promise of repayment. Number of pending claims Loss Contingency, Pending Claims, Number Decrease 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 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, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment Other commitment Other Commitment Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount 3.750% notes due 2046 Notes 3.750% Due 2046 [Member] Debt security issued by a domestic corporate business entity with a promise of repayment. Long-term debt Long-term debt, net of current portion Long-Term Debt and Lease Obligation Discontinued Operations and Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Pay vs Performance Disclosure [Line Items] Other Other Operating Segment [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Financing and other contractual commitments Fair Value Disclosure, off-Balance-Sheet Risks, Amount, Liability 5.375% notes due 2053 Notes 5.375% Due 2053 [Member] Notes 5.375% Due 2053 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 Increase in contract liabilities Contract with Customer, Liability, Change Contract with Customer, Liability, Change Supplemental share information Supplemental Share Information [Abstract] Supplemental Share Information Number of counts Loss Contingency, Number Of Counts Loss Contingency, Number Of Counts Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] 7.000% notes due 2038 Notes 7.000% Due 2038 [Member] Debt security issued by a domestic corporate business entity with a promise of repayment. Name Trading Arrangement, Individual Name Powder Metal Disclosure Powder Metal Disclosure [Member] Powder Metal Disclosure Cash and cash equivalents Cash and cash equivalents, end of period Cash and Cash Equivalent 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 Trade Compliance Matters Trade Compliance Matters [Member] Trade Compliance Matters 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). 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. Interest sought Loss Contingency, Interest Interest associated with damages sought in legal matter. 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 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 2018 U.S. Defense Contract Management Agency Claim Against Pratt & Whitney U.S. Defense Contract Management Agency Claim Against Pratt & Whitney - second claim [Member] U.S. Defense Contract Management Agency Claim Against Pratt & Whitney - second claim [Member] 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] Net increase (decrease) 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 Forecast Forecast [Member] 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 Schedule of Repayments of Long-Term Debt Schedule of Repayments of Long-Term Debt [Table Text Block] Schedule of Repayments of Long-Term Debt 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] 2019 U.S. Defense Contract Management Agency Second Claim Against Pratt & Whitney 2019 U.S. Defense Contract Management Agency Second Claim Against Pratt & Whitney [Member] 2019 U.S. Defense Contract Management Agency Second Claim Against Pratt & Whitney 6.000% notes due 2031 Notes 6.000% due 2031 [Member] Notes 6.000% due 2031 Schedule of Contract Assets and Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] 6.100% notes due 2034 Notes 6.100% due 2034 [Member] Notes 6.100% due 2034 Accounts receivable Increase (Decrease) in Receivables Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] 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. Net Sales: Revenues [Abstract] Damages sought Loss Contingency, Damages Sought, Value Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]