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S. Defense Contract Management Agency Claim Against Pratt Whitney Third Claim U. S. Defense Contract Management Agency Claim Against Pratt Whitney Third Claim [Member] U. S. Defense Contract Management Agency Claim Against Pratt Whitney Third Claim Document Fiscal Year Focus Document Fiscal Year Focus 5.750% notes due 2029 Notes 5.750% due 2029 [Member] Notes 5.750% due 2029 Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Raytheon Raytheon [Member] Raytheon Repayment of long-term debt Repayments of Long-Term Debt Effective tax rate Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Other Other Operating Segment [Member] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] 5.150% notes due 2033 Notes 5.150% Due 2033 [Member] Notes 5.150% Due 2033 Equity [Abstract] Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Litigation Agreements [Domain] Litigation Agreements [Domain] Litigation Agreements [Domain] Segment Financial Data Segment Reporting Disclosure [Text Block] Schedule of Goodwill [Table] Goodwill [Table] 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] Long-term debt currently due Less: current portion Long-Term Debt and Lease Obligation, Current Schedule of Amounts Recognized in the Balance Sheet Schedule of Amounts Recognized in Balance Sheet [Table Text Block] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Net settlement, curtailment, and special termination benefit gain Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Schedule of Net Periodic Costs (Income) Schedule of Net Benefit Costs [Table Text Block] Net periodic pension and other postretirement income Pension and Other Postretirement Benefits Expense (Reversal of Expense), Noncash Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Equity Comprehensive Income (Loss) Note [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Amortization of intangible assets Amortization of Intangible Assets 4.125% notes due 2028 Notes 4.125% Due 2028 [Member] Notes 4.125% Due 2028 [Member] Commercial paper borrowings outstanding Commercial Paper Selling, general, and administrative Selling, General and Administrative Expense 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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Allowance for expected credit losses Contract with Customer, Asset, Allowance for Credit Loss, Current 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. 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Intersegment Eliminations [Member] Expiration Date Trading Arrangement Expiration Date Other Commitments [Domain] Other Commitments [Domain] Ownership share percentage Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Other Financing Arrangements Other Financing Arrangements [Member] Other Financing Arrangements 2031 Finite-Lived Intangible Asset, Expected Amortization, Year Five Other accrued liabilities Other Accrued Liabilities, Current Fixed assets, net Property, Plant and Equipment, Net Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Repurchase of common stock Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] 4.700% notes due 2041 Notes 4.700% Due 2041 [Member] Notes 4.700% Due 2041 Entity Current Reporting Status Entity Current Reporting Status Receivables [Abstract] 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Principal Balance Repayments of Debt Other income, net Other Operating Income (Expense), Net Current Fiscal Year End Date Current Fiscal Year End Date Class of Stock [Axis] Class of Stock [Axis] Unrealized Hedging Gains (Losses) Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Corporate, eliminations, and other Corporate, Reconciling Items And Eliminations [Member] Corporate, Reconciling Items And Eliminations Retirement Plan Type [Axis] Retirement Plan Type [Axis] Schedule of Accounts Receivables, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of Financial Guarantees Schedule of Guarantor Obligations [Table Text 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Stock awards excluded from the computation of earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount All Adjustments to Compensation All Adjustments to Compensation [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Amendment Flag Amendment Flag PRB Other Postretirement Benefits Plan [Member] Termination Date Trading Arrangement Termination Date Net cash flows used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Contract assets Increase (Decrease) in Contract with Customer, Asset Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] 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. Raw materials Inventory, Raw Materials, Net of Reserves Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Foreign Currency Translation and Other Goodwill, Foreign Currency Translation and Measurement Period Adjustments 5.375% notes due 2053 Notes 5.375% Due 2053 [Member] Notes 5.375% Due 2053 Basic weighted average number of shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Cost of sales Cost of Product and Service Sold Schedule of Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Increase in contract liabilities Contract with Customer, Liability, Change Contract with Customer, Liability, Change Segment Reporting [Abstract] Segment Reporting [Abstract] Supplemental share information Supplemental Share Information [Abstract] Supplemental Share Information Number of counts Loss Contingency, Number Of Counts Loss Contingency, Number Of Counts Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount 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. Common Stock Common Stock Including Additional Paid in Capital [Member] Non-operating expense (income), net: Non-operating expense Nonoperating Income (Expense) [Abstract] Entity Tax Identification Number Entity Tax Identification Number Scenario [Domain] Scenario [Domain] Costs and Expenses: Costs and Expenses [Abstract] Powder Metal Disclosure Powder Metal Disclosure [Member] Powder Metal Disclosure Recognized actuarial net loss Defined Benefit Plan, Actuarial Gain (Loss), Immediate Recognition as Component in Net Periodic Benefit (Cost) Credit Accounts receivable Accounts Receivable, before Allowance for Credit Loss Schedule of Variable Interest Entities Schedule of Variable Interest Entities [Table Text Block] 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] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Consolidated Entities [Axis] Consolidated Entities [Axis] 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. Contract assets Contract with Customer, Asset, before Allowance for Credit Loss, Current Interest sought Loss Contingency, Interest Interest associated with damages sought in legal matter. 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