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[Abstract] Effective Income Tax Rate Reconciliation, Tax Settlement, Amount Effective Income Tax Rate Reconciliation, Tax Settlement, Amount Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Revenue, Remaining Performance Obligations, RPO related to long-term commercial aerospace maintenance contracts at Pratt & Whitney Revenue, Remaining Performance Obligations, RPO related to long-term commercial aerospace maintenance contracts at Pratt & Whitney Revenue, Remaining Performance Obligations, RPO related to long-term commercial aerospace maintenance contracts at Pratt & Whitney Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Other comprehensive income (loss), before tax Other Comprehensive Income (Loss), before Tax Net income attributable to 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Contract Management Agency Claim Against Pratt & Whitney [Member] U.S. Defense Contract Management Agency Claim Against Pratt & Whitney [Member] U.S. Defense Contract Management Agency Claim Against Pratt & Whitney [Member] Less: Restricted cash, included in Other assets Restricted Cash Service [Member] Service [Member] Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Remaining Performance Obligation [Table] Remaining Performance Obligation [Table] Remaining Performance Obligation Derivatives designated as hedging instruments, Asset Derivatives Foreign Currency Cash Flow Hedge Asset at Fair Value (Payments) receipts from settlements of derivative contracts, net Payments for (Proceeds from) Derivative Instrument, Investing Activities Total Segments [Member] Total Segments [Member] Operating Activities of Continuing Operations: Net Cash Provided 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Currency Adjustment Attributable to Parent [Member] Borrowings and Lines of Credit [Text Block] Debt Disclosure [Text Block] Notes 6.125% Due 2038 [Member] Notes 6.125% Due 2038 [Member] Debt security issued by a domestic corporate business entity with a promise of repayment. Other Comprehensive Income Location [Domain] Other Comprehensive Income Location [Domain] Fair Value Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Unearned ESOP Shares [Member] Deferred Compensation, Share-based Payments [Member] Dividends paid on Common Stock Payments of Ordinary Dividends, Common Stock Inventory [Text Block] Inventory Disclosure [Text Block] Accounting Policies [Abstract] Russia Sanctions Impact on Pratt & Whitney and Collins Russia Sanctions Impact on Pratt & Whitney and Collins [Member] Russia Sanctions Impact on Pratt & Whitney and Collins Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Document Transition Report Document Transition Report Income from continuing operations attributable to common shareowners Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Total non-operating expense (income), net Nonoperating Income (Expense) Contract with Customer, Basis of Pricing [Axis] Contract with Customer, Basis of Pricing [Axis] Product Warranty Liability [Table] Product Warranty Liability [Table] Goodwill Resulting from Business Combinations Goodwill, Acquired During Period Other Postretirement Benefits Plan [Member] Other Postretirement Benefits Plan [Member] Commitments and contingencies (Note 15) Commitments and Contingencies Assets, Noncurrent Assets, Noncurrent Notes 2.820% due 2051 Notes 2.820% due 2051 [Member] Notes 2.820% due 2051 Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax Fair Value, by Balance Sheet Grouping [Table Text Block] Fair Value, by Balance Sheet Grouping [Table Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Notes 4.050% Due 2047 [Member] Notes 4.050% Due 2047 [Member] Notes 4.050% Due 2047 [Member] Acquisitions, Dispositions, Goodwill and Other Intangible Assets [Text Block] Business Combination Disclosure [Text Block] Receivables [Abstract] Receivables [Abstract] Dividends on ESOP Common Stock Employee Stock Ownership Plan (ESOP), Dividends Paid to ESOP Net contract liabilities Contracts with Customer, Asset and Liabilities, Net Contracts with Customer, Asset and Liabilities, Net Tax benefit (expense) - Unrealized Hedging Gains (Losses) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Stock awards and equity units (share equivalent) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Goodwill [Line Items] Goodwill [Line Items] Total costs and expenses Costs and Expenses Class of Stock [Axis] Class of Stock [Axis] Net settlement, curtailment and special termination benefit gain Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment Customer financing notes receivable Customer Financing Notes Receivable 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 customer financing notes receivable. 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Total long-term debt Long-term Debt and Lease Obligation, Including Current Maturities Amortization Expense, 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Two Document Fiscal Year Focus Document Fiscal Year Focus Change in Accounting Estimate, Type [Domain] Change in Accounting Estimate, Type [Domain] Stock compensation cost Share-based Payment Arrangement, Noncash Expense Cash and cash equivalents Cash and cash equivalents, end of period Cash and Cash Equivalents, at Carrying Value Net cash used in discontinued operations Net Cash Provided by (Used in) Discontinued Operations Repayments of Debt Repayments of Debt Treasury Stock [Member] Treasury Stock [Member] Product Warranty Disclosure [Table Text Block] Schedule of Product Warranty Liability [Table Text Block] International Aero Engines AG [Member] International Aero Engines AG [Member] Unearned ESOP Shares Unearned ESOP Shares Revenue from contract with customer [Line Items] Revenue from contract with customer [Line Items] Revenue from contract with customer Notes 2.375% Due 2032 Notes 2.375% Due 2032 [Member] Notes 2.375% Due 2032 Derivative, Notional Amount Derivative, Notional Amount Guarantees [Text Block] Guarantees [Text Block] Russia Sanctions Russia Sanctions [Member] Russia Sanctions Notes 5.700% Due 2040 [Member] Notes 5.700% Due 2040 [Member] Debt security issued by a domestic corporate business entity with a promise of repayment. 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Title of 12(b) Security Title of 12(b) Security 2019 U.S. Defense Contract Management Agency Claim Against Pratt & Whitney [Member] 2019 U.S. Defense Contract Management Agency Claim Against Pratt & Whitney [Member] 2019 U.S. Defense Contract Management Agency Claim Against Pratt & Whitney [Member] Total Assets Assets Assets Income tax expense related to items of other comprehensive income (loss) Other Comprehensive Income (Loss), Tax Notes 8.750% Due 2021 [Member] Notes 8.750% Due 2021 [Member] Debt security issued by a domestic corporate business entity with a promise of repayment. Cash, cash equivalents and restricted cash, beginning of period Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations Net income attributable to common shareowners: Net Income (Loss) Attributable to Parent [Abstract] Document Type Document Type Commercial Aerospace Financing Arrangements Commercial Aerospace Financing Arrangements [Member] Commercial Aerospace Financing Arrangements Noncontrolling Interest [Member] Noncontrolling Interest [Member] Research and development Research and Development Expense Product and Service [Domain] Product and Service [Domain] Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate, Stated Percentage Schedule of Receivables, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Contract with Customer, Basis of Pricing [Domain] Contract with Customer, Basis of Pricing [Domain] Net Income Net Income (Loss) Attributable to Noncontrolling Interest Liabilities, Noncurrent Liabilities, Noncurrent Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Table] Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table] Revenue, Remaining Performance Obligation, general span of Pratt & Whitney long-term commercial aerospace maintenance contracts, in years Revenue, Remaining Performance Obligation, general span of Pratt & Whitney long-term commercial aerospace maintenance contracts, in years Revenue, Remaining Performance Obligation, general span of Pratt & Whitney long-term commercial aerospace maintenance contracts, in years Foreign Government Direct Commercial Sales Member Foreign Government Direct Commercial Sales Member [Member] Foreign Government Direct Commercial Sales Member Changes in Contract Estimates at Completion Significant Accounting Policies [Text Block] Short-term borrowings Short-term Debt Other Segments Other Segments [Member] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Earnings (loss) Per Share attributable to common shareowners - 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Notes 4.500% Due 2042 [Member] Notes 4.500% Due 2042 [Member] Debt security issued by a domestic corporate business entity with a promise of repayment. Change in unrealized cash flow hedging Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax Balance as of January 1 Balance as of March 31 Standard and Extended Product Warranty Accrual Cost of Sales Cost of Goods and Services Sold Net Sales: Revenues [Abstract] Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Document Period End Date Document Period End Date Increase in collaboration intangible assets Payments to Acquire Intangible Assets Entity Central Index Key Entity Central Index Key Amounts reclassified, pretax - Foreign Currency Translation Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax Other comprehensive (loss) income before reclassifications, net OCI, before Reclassifications, before Tax, Attributable to Parent Consolidated Entities [Domain] Consolidated Entities [Domain] Investing Activities: Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement Location [Domain] Income Statement Location [Domain] Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] Customer Relationships [Member] Customer relationships Customer Relationships [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Fixed assets, net Property, Plant and Equipment, Net Primary Geographical Markets [Axis] Primary Geographical Markets [Axis] Primary Geographical Markets [Axis] Other long-term liabilities Other Liabilities, Noncurrent Schedule of Long-term Debt [Table Text Block] Schedule of Long-term Debt Instruments [Table Text Block] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment and Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment and Tax Debt Instrument [Line Items] Debt Instrument [Line Items] Notes 3.150% Due 2024 Notes 3.150% Due 2024 [Member] Notes 3.150% Due 2024 Repayment of long-term debt Repayments of Long-term Debt Trading Symbol Trading Symbol Earnings Per Share [Abstract] Earnings Per Share [Abstract] Loss from discontinued operations Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share Derivative assets Derivative Asset Fixed assets Property, Plant and Equipment, Gross Allowance for expected credit losses Accounts Receivable, Allowance for Credit Loss Other Financing Arrangements [Member] Other Financing Arrangements [Member] Other Financing Arrangements Other current assets Increase (Decrease) in Other Operating Assets Net sales Revenues Revenues Basis of Presentation [Table] Basis of Presentation [Table] Basis of Presentation [Table] Raytheon Intelligence & Space global training and services business Raytheon Intelligence & Space global training and services business [Member] Raytheon Intelligence & Space global training and services business Line of Credit Facility [Table] Line of Credit Facility [Table] Notes 4.700% Due 2041 Notes 4.700% Due 2041 [Member] Notes 4.700% Due 2041 Costs and Expenses: Costs and Expenses [Abstract] International Aero Engines LLC [Member] International Aero Engines LLC [Member] International Aero Engines LLC [Member] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Axis] Europe [Member] Europe [Member] Entity Current Reporting Status Entity Current Reporting Status Notes 4.625% Due 2048 [Member] Notes 4.625% Due 2048 [Member] Notes 4.625% Due 2048 [Member] Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation, Percent Aggregate Line of Credit Agreements, Maximum Borrowing Capacity Aggregate Line of Credit Facility Maximum Borrowing Capacity Net income from continuing and discontinued operations Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Current UNITED STATES UNITED STATES Maximum Potential Payment Guarantor Obligations, Maximum Exposure, Undiscounted Variable Interest Entity Disclosure Variable Interest Entity Disclosure [Text Block] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Other financing activities, net Proceeds from (Payments for) Other Financing Activities Gross Amount Finite-Lived Intangible Assets, Gross Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Amounts reclassified, pre-tax Reclassification from AOCI, Current Period, before Tax, Attributable to Parent Loss from discontinued operations attributable to common shareowners Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Entity Address, Postal Zip Code Entity Address, Postal Zip Code Notes 7.500% Due 2029 [Member] Notes 7.500% Due 2029 [Member] Debt security issued by a domestic corporate business entity with a promise of repayment. Diluted weighted average number of shares outstanding Weighted Average Number of Shares Outstanding, Diluted Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Income Tax Disclosure [Text Block] Income Tax Disclosure [Text Block] Eliminations and other [Member] Eliminations and other [Member] Segment member representing both Corporate functions and intersegment eliminations Schedule of Net Benefit Costs Schedule of Net Benefit Costs [Table Text Block] Document and Entity Information [Abstract] Document and Entity Information [Abstract] Unrealized hedging (losses) gains Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Measurement Basis [Axis] Measurement Basis [Axis] Notes 3.750% Due 2046 [Member] Notes 3.750% Due 2046 [Member] Debt security issued by a domestic corporate business entity with a promise of repayment. Amortization Expense, 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Five 5.0B Revolving Credit Agreement [Member] Revolving Credit Agreement [Member] Revolving credit facility available as of the balance-sheet date. Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Restructuring And Related Costs Actions By Year [Domain] Restructuring And Related Costs Actions By Year [Domain] Identification of the time periods of restructuring and related activities Credit Facility [Axis] Credit Facility [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Amortized: [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Entity Address, Address Line One Entity Address, Address Line One Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Change in: Increase (Decrease) in Operating Capital [Abstract] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Notes 3.200% Due 2024 [Member] Notes 3.200% Due 2024 [Member] Notes 3.200% Due 2024 [Member] Entity Shell Company Entity Shell Company Notes 7.000% Due 2038 [Member] Notes 7.000% Due 2038 [Member] Debt security issued by a domestic corporate business entity with a promise of repayment. Total Current Liabilities Liabilities, Current Liabilities, Current Class of Stock [Domain] Class of Stock [Domain] Intersegment Eliminations Intersegment Eliminations [Member] U.S. Government Sales Excluding Foreign Military Sales Member U.S. Government Sales Excluding Foreign Military Sales Member [Member] U.S. Government Sales Excluding Foreign Military Sales Member $2.0B May revolving credit agreement [Member] $2.0B May revolving credit agreement [Member] $2.0B May revolving credit agreement Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Maximum Borrowing Capacity Loss Contingencies [Table] Loss Contingencies [Table] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Current Fiscal Year End Date Current Fiscal Year End Date Other (fair value adjustments, (discounts)/premiums, and debt issuance costs) Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Net cash flows provided by operating activities from continuing operations Net Cash Provided by (Used in) Operating Activities, Continuing Operations 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). Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Notes 2.650% Due 2026 [Member] Notes 2.650% Due 2026 [Member] Debt security issued by a foreign corporate business entity with a promise of repayment. Derivatives designated as hedging instruments, Liability Derivatives Foreign Currency Cash Flow Hedge Liability at Fair Value Loss Contingency, Interest Loss Contingency, Interest Interest associated with damages sought in legal matter. Significant Change In Unrecognized Tax Benefits Is Reasonably Possible [Line Items] Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Estimated Credit Losses, Net of Tax Estimated Credit Losses, Net of Tax Estimated Credit Losses, Net of Tax Marketable Securities Marketable Securities [Table Text Block] Other assets, current Other Assets, Current Statement [Table] Statement [Table] RPO to be recognized within 12 months Revenue, Remaining Performance Obligations, to be recognized within 12 months Revenue, Remaining Performance Obligations, to be recognized within 12 months Accrual for Environmental Loss Contingencies Accrual for Environmental Loss Contingencies 2018 U.S. Defense Contract Management Agency Claim Against Pratt & Whitney [Member] 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] Income Tax Uncertainties [Abstract] Income Tax Uncertainties [Abstract] Basis of Presentation [Line Items] Basis of Presentation [Line Items] Basis of Presentation [Line Items] Statistical Measurement [Axis] Statistical Measurement [Axis] Cash, cash equivalents and restricted cash, end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Goodwill Goodwill - Beginning Balance Goodwill - Ending Balance Goodwill Amounts reclassified, pretax - Unrealized Hedging Gains (Losses) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Noncontrolling interest Stockholders' Equity Attributable to Noncontrolling Interest Depreciation and amortization Depreciation, Amortization and Accretion, Net Net income from continuing operations Net income from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Schedule of Goodwill [Table Text Block] Schedule of Goodwill [Table Text Block] Scenario [Domain] Scenario [Domain] Adjustments to reconcile net income from continuing operations to net cash flows provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Pension Plan [Member] Pension Plan [Member] Incremental Percentage Points Related to Foreign Derived Intangible Income (FDII) and Capitalization of R&D, Benefit Incremental Percentage Points Related to Foreign Derived Intangible Income (FDII) and Capitalization of R&D, Benefit Incremental Percentage Points Related to Foreign Derived Intangible Income (FDII) and Capitalization of R&D, Benefit Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Developed technology and other Developed Technology Rights [Member] Variable Interest Entity, Qualitative of Quantitative Information, Net 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. Defined Benefit Pension and Post-retirement Plans Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Deferred income tax provision Deferred Income Tax Expense (Benefit) Discontinued Operations: Net Cash Provided by (Used in) Discontinued Operations [Abstract]