2.4.0.8 Html 672 565 1 false 151 0 false 9 false false R1.htm 0001000 - Document - Document and Entity Information Document Sheet http://www.raytheon.com/role/DocumentAndEntityInformationDocument Document and Entity Information Document true false R2.htm 1001000 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://www.raytheon.com/role/ConsolidatedBalanceSheets CONSOLIDATED BALANCE SHEETS false false R3.htm 1001001 - Statement - CONSOLIDATED BALANCE SHEETS Consolidated Balance Sheets (Parenthetical) Sheet http://www.raytheon.com/role/ConsolidatedBalanceSheetsConsolidatedBalanceSheetsParenthetical CONSOLIDATED BALANCE SHEETS Consolidated Balance Sheets (Parenthetical) false false R4.htm 1002000 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://www.raytheon.com/role/ConsolidatedStatementsOfOperations CONSOLIDATED STATEMENTS OF OPERATIONS false false R5.htm 1003000 - Statement - CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME Sheet http://www.raytheon.com/role/ConsolidatedStatementOfComprehensiveIncome CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME false false R6.htm 1004000 - Statement - CONSOLIDATED STATEMENTS OF EQUITY Sheet http://www.raytheon.com/role/ConsolidatedStatementsOfEquity CONSOLIDATED STATEMENTS OF EQUITY false false R7.htm 1005000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.raytheon.com/role/ConsolidatedStatementsOfCashFlows CONSOLIDATED STATEMENTS OF CASH FLOWS false false R8.htm 2101100 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.raytheon.com/role/SummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies false false R9.htm 2102100 - Disclosure - Accounting Standards Sheet http://www.raytheon.com/role/AccountingStandards Accounting Standards false false R10.htm 2103100 - Disclosure - Acquisitions Sheet http://www.raytheon.com/role/Acquisitions Acquisitions false false R11.htm 2104100 - Disclosure - Discontinued Operations Sheet http://www.raytheon.com/role/DiscontinuedOperations Discontinued Operations false false R12.htm 2105100 - Disclosure - Contracts in Process, Net Sheet http://www.raytheon.com/role/ContractsInProcessNet Contracts in Process, Net false false R13.htm 2106100 - Disclosure - Property, Plant and Equipment, Net Sheet http://www.raytheon.com/role/PropertyPlantAndEquipmentNet Property, Plant and Equipment, Net false false R14.htm 2107100 - Disclosure - Other Assets, Net Sheet http://www.raytheon.com/role/OtherAssetsNet Other Assets, Net false false R15.htm 2108100 - Disclosure - Derivative Financial Instruments Sheet http://www.raytheon.com/role/DerivativeFinancialInstruments Derivative Financial Instruments false false R16.htm 2110100 - Disclosure - Notes Payable and Long-term Debt Notes http://www.raytheon.com/role/NotesPayableAndLongTermDebt Notes Payable and Long-term Debt false false R17.htm 2111100 - Disclosure - Commitments and Contingencies Sheet http://www.raytheon.com/role/CommitmentsAndContingencies Commitments and Contingencies false false R18.htm 2112100 - Disclosure - Stockholders' Equity Sheet http://www.raytheon.com/role/StockholdersEquity Stockholders' Equity false false R19.htm 2113100 - Disclosure - Stock-based Compensation Plans Sheet http://www.raytheon.com/role/StockBasedCompensationPlans Stock-based Compensation Plans false false R20.htm 2114100 - Disclosure - Pension and Other Employee Benefits Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefits Pension and Other Employee Benefits false false R21.htm 2115100 - Disclosure - Income Taxes Sheet http://www.raytheon.com/role/IncomeTaxes Income Taxes false false R22.htm 2116100 - Disclosure - Business Segment Reporting Sheet http://www.raytheon.com/role/BusinessSegmentReporting Business Segment Reporting false false R23.htm 2117100 - Disclosure - Quarterly Operating Results Sheet http://www.raytheon.com/role/QuarterlyOperatingResults Quarterly Operating Results false false R24.htm 2201201 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.raytheon.com/role/SummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) false false R25.htm 2301302 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://www.raytheon.com/role/SummaryOfSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) false false R26.htm 2303301 - Disclosure - Acquisitions (Tables) Sheet http://www.raytheon.com/role/AcquisitionsTables Acquisitions (Tables) false false R27.htm 2305301 - Disclosure - Contracts in Process, Net (Tables) Sheet http://www.raytheon.com/role/ContractsInProcessNetTables Contracts in Process, Net (Tables) false false R28.htm 2306301 - Disclosure - Property, Plant and Equipment, Net (Tables) Sheet http://www.raytheon.com/role/PropertyPlantAndEquipmentNetTables Property, Plant and Equipment, Net (Tables) false false R29.htm 2307301 - Disclosure - Other Assets, Net (Tables) Sheet http://www.raytheon.com/role/OtherAssetsNetTables Other Assets, Net (Tables) false false R30.htm 2308301 - Disclosure - Derivative Financial Instruments (Tables) Sheet http://www.raytheon.com/role/DerivativeFinancialInstrumentsTables Derivative Financial Instruments (Tables) false false R31.htm 2310301 - Disclosure - Notes Payable and Long-term Debt (Tables) Notes http://www.raytheon.com/role/NotesPayableAndLongTermDebtTables Notes Payable and Long-term Debt (Tables) false false R32.htm 2311301 - Disclosure - Commitments and Contingencies (Tables) Sheet http://www.raytheon.com/role/CommitmentsAndContingenciesTables Commitments and Contingencies (Tables) false false R33.htm 2312301 - Disclosure - Stockholders' Equity (Tables) Sheet http://www.raytheon.com/role/StockholdersEquityTables Stockholders' Equity (Tables) false false R34.htm 2313301 - Disclosure - Stock-based Compensation Plans (Tables) Sheet http://www.raytheon.com/role/StockBasedCompensationPlansTables Stock-based Compensation Plans (Tables) false false R35.htm 2314301 - Disclosure - Pension and Other Employee Benefits (Tables) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsTables Pension and Other Employee Benefits (Tables) false false R36.htm 2315301 - Disclosure - Income Taxes (Tables) Sheet http://www.raytheon.com/role/IncomeTaxesTables Income Taxes (Tables) false false R37.htm 2316301 - Disclosure - Business Segment Reporting (Tables) Sheet http://www.raytheon.com/role/BusinessSegmentReportingTables Business Segment Reporting (Tables) false false R38.htm 2317301 - Disclosure - Quarterly Operating Results, Unaudited (Tables) Sheet http://www.raytheon.com/role/QuarterlyOperatingResultsUnauditedTables Quarterly Operating Results, Unaudited (Tables) false false R39.htm 2401403 - Disclosure - Summary of Significant Accounting Policies (Narrative) (Details) Sheet http://www.raytheon.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails Summary of Significant Accounting Policies (Narrative) (Details) false false R40.htm 2401404 - Disclosure - Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Net EAC adjustments) (Details) Sheet http://www.raytheon.com/role/SummaryOfSignificantAccountingPoliciesSummaryOfSignificantAccountingPoliciesNetEacAdjustmentsDetails Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Net EAC adjustments) (Details) false false R41.htm 2401405 - Disclosure - Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Available for Sale Securities) (Details) Sheet http://www.raytheon.com/role/SummaryOfSignificantAccountingPoliciesSummaryOfSignificantAccountingPoliciesAvailableForSaleSecuritiesDetails Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Available for Sale Securities) (Details) false false R42.htm 2401406 - Disclosure - Summary of Significant Accounting Policies (Inventory) (Details) Sheet http://www.raytheon.com/role/SummaryOfSignificantAccountingPoliciesInventoryDetails Summary of Significant Accounting Policies (Inventory) (Details) false false R43.htm 2401407 - Disclosure - Summary of Significant Accounting Policies (Property, Plant and Equipment, Net) (Details) Sheet http://www.raytheon.com/role/SummaryOfSignificantAccountingPoliciesPropertyPlantAndEquipmentNetDetails Summary of Significant Accounting Policies (Property, Plant and Equipment, Net) (Details) false false R44.htm 2401408 - Disclosure - Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Comprehensive Income) (Details) Sheet http://www.raytheon.com/role/SummaryOfSignificantAccountingPoliciesSummaryOfSignificantAccountingPoliciesComprehensiveIncomeDetails Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Comprehensive Income) (Details) false false R45.htm 2403402 - Disclosure - Acquisitions (Narrative) (Details) Sheet http://www.raytheon.com/role/AcquisitionsNarrativeDetails Acquisitions (Narrative) (Details) false false R46.htm 2403403 - Disclosure - Acquisitions (Rollforward of Goodwill by Segments) (Details) Sheet http://www.raytheon.com/role/AcquisitionsRollforwardOfGoodwillBySegmentsDetails Acquisitions (Rollforward of Goodwill by Segments) (Details) false false R47.htm 2404401 - Disclosure - Discontinued Operations (Narrative) (Details) Sheet http://www.raytheon.com/role/DiscontinuedOperationsNarrativeDetails Discontinued Operations (Narrative) (Details) false false R48.htm 2405402 - Disclosure - Contracts in Process, Net (Narrative) (Details) Sheet http://www.raytheon.com/role/ContractsInProcessNetNarrativeDetails Contracts in Process, Net (Narrative) (Details) false false R49.htm 2405403 - Disclosure - Contracts in Process, Net (Contracts in Process) (Details) Sheet http://www.raytheon.com/role/ContractsInProcessNetContractsInProcessDetails Contracts in Process, Net (Contracts in Process) (Details) false false R50.htm 2406402 - Disclosure - Property, Plant and Equipment, Net (Narrative) (Details) Sheet http://www.raytheon.com/role/PropertyPlantAndEquipmentNetNarrativeDetails Property, Plant and Equipment, Net (Narrative) (Details) false false R51.htm 2406403 - Disclosure - Property, Plant and Equipment, Net (Property, Plant and Equipment, Net) (Details) Sheet http://www.raytheon.com/role/PropertyPlantAndEquipmentNetPropertyPlantAndEquipmentNetDetails Property, Plant and Equipment, Net (Property, Plant and Equipment, Net) (Details) false false R52.htm 2407402 - Disclosure - Other Assets, Net (Narrative) (Details) Sheet http://www.raytheon.com/role/OtherAssetsNetNarrativeDetails Other Assets, Net (Narrative) (Details) false false R53.htm 2407403 - Disclosure - Other Assets, Net (Schedule of Other Assets Net) (Details) Sheet http://www.raytheon.com/role/OtherAssetsNetScheduleOfOtherAssetsNetDetails Other Assets, Net (Schedule of Other Assets Net) (Details) false false R54.htm 2407404 - Disclosure - Other Assets, Net (Schedule of Investments Included in Other Assets Net) (Details) Sheet http://www.raytheon.com/role/OtherAssetsNetScheduleOfInvestmentsIncludedInOtherAssetsNetDetails Other Assets, Net (Schedule of Investments Included in Other Assets Net) (Details) false false R55.htm 2408402 - Disclosure - Derivative Financial Instruments (Narrative) (Details) Sheet http://www.raytheon.com/role/DerivativeFinancialInstrumentsNarrativeDetails Derivative Financial Instruments (Narrative) (Details) false false R56.htm 2408403 - Disclosure - Derivative Financial Instruments (Fair Value of Asset and Liability Derivatives Related to Foreign Currency Forward Contracts) (Details) Sheet http://www.raytheon.com/role/DerivativeFinancialInstrumentsFairValueOfAssetAndLiabilityDerivativesRelatedToForeignCurrencyForwardContractsDetails Derivative Financial Instruments (Fair Value of Asset and Liability Derivatives Related to Foreign Currency Forward Contracts) (Details) false false R57.htm 2408404 - Disclosure - Derivative Financial Instruments (Pretax Gains (Losses) Related to Foreign Currency Forward Contracts Designated as Cash Flow Hedges) (Details) Sheet http://www.raytheon.com/role/DerivativeFinancialInstrumentsPretaxGainsLossesRelatedToForeignCurrencyForwardContractsDesignatedAsCashFlowHedgesDetails Derivative Financial Instruments (Pretax Gains (Losses) Related to Foreign Currency Forward Contracts Designated as Cash Flow Hedges) (Details) false false R58.htm 2410402 - Disclosure - Notes Payable and Long-term Debt (Narrative) (Details) Notes http://www.raytheon.com/role/NotesPayableAndLongTermDebtNarrativeDetails Notes Payable and Long-term Debt (Narrative) (Details) false false R59.htm 2410403 - Disclosure - Notes Payable and Long-term Debt (Schedule of Notes Payable and Long-term Debt) (Details) Notes http://www.raytheon.com/role/NotesPayableAndLongTermDebtScheduleOfNotesPayableAndLongTermDebtDetails Notes Payable and Long-term Debt (Schedule of Notes Payable and Long-term Debt) (Details) false false R60.htm 2410404 - Disclosure - Notes Payable and Long-term Debt Notes Payable and Long-term Debt (Fair value of long-term debt) (Details) Notes http://www.raytheon.com/role/NotesPayableAndLongTermDebtNotesPayableAndLongTermDebtFairValueOfLongTermDebtDetails Notes Payable and Long-term Debt Notes Payable and Long-term Debt (Fair value of long-term debt) (Details) false false R61.htm 2410405 - Disclosure - Notes Payable and Long-term Debt (Adjustments and payments to the Principal Amounts of Long-term Debt) (Details) Notes http://www.raytheon.com/role/NotesPayableAndLongTermDebtAdjustmentsAndPaymentsToPrincipalAmountsOfLongTermDebtDetails Notes Payable and Long-term Debt (Adjustments and payments to the Principal Amounts of Long-term Debt) (Details) false false R62.htm 2411402 - Disclosure - Commitments and Contingencies (Narrative) (Details) Sheet http://www.raytheon.com/role/CommitmentsAndContingenciesNarrativeDetails Commitments and Contingencies (Narrative) (Details) false false R63.htm 2411403 - Disclosure - Commitments and Contingencies (Schedule of Annual Rentals on a Lease Basis) (Details) Sheet http://www.raytheon.com/role/CommitmentsAndContingenciesScheduleOfAnnualRentalsOnLeaseBasisDetails Commitments and Contingencies (Schedule of Annual Rentals on a Lease Basis) (Details) false false R64.htm 2411404 - Disclosure - Commitments and Contingencies (Estimates of Total Remediation Costs, Weighted Average Risk-Free Rate, Total Remediation Costs - Discounted and Recoverable Portion) (Details) Sheet http://www.raytheon.com/role/CommitmentsAndContingenciesEstimatesOfTotalRemediationCostsWeightedAverageRiskFreeRateTotalRemediationCostsDiscountedAndRecoverablePortionDetails Commitments and Contingencies (Estimates of Total Remediation Costs, Weighted Average Risk-Free Rate, Total Remediation Costs - Discounted and Recoverable Portion) (Details) false false R65.htm 2411405 - Disclosure - Commitments and Contingencies (Schedule of Environmental Remediation Costs) (Details) Sheet http://www.raytheon.com/role/CommitmentsAndContingenciesScheduleOfEnvironmentalRemediationCostsDetails Commitments and Contingencies (Schedule of Environmental Remediation Costs) (Details) false false R66.htm 2411406 - Disclosure - Commitments and Contingencies (Stated Values Outstanding) (Details) Sheet http://www.raytheon.com/role/CommitmentsAndContingenciesStatedValuesOutstandingDetails Commitments and Contingencies (Stated Values Outstanding) (Details) false false R67.htm 2411407 - Disclosure - Commitments and Contingencies (Activity Related to Product Warranty Accruals) (Details) Sheet http://www.raytheon.com/role/CommitmentsAndContingenciesActivityRelatedToProductWarrantyAccrualsDetails Commitments and Contingencies (Activity Related to Product Warranty Accruals) (Details) false false R68.htm 2412402 - Disclosure - Stockholders' Equity (Narrative) (Details) Sheet http://www.raytheon.com/role/StockholdersEquityNarrativeDetails Stockholders' Equity (Narrative) (Details) false false R69.htm 2412403 - Disclosure - Stockholders' Equity (Changes in Shares of Common Stock Outstanding) (Details) Sheet http://www.raytheon.com/role/StockholdersEquityChangesInSharesOfCommonStockOutstandingDetails Stockholders' Equity (Changes in Shares of Common Stock Outstanding) (Details) false false R70.htm 2412404 - Disclosure - Stockholders' Equity (Repurchases of Common Stock Under Share Repurchase Programs) (Details) Sheet http://www.raytheon.com/role/StockholdersEquityRepurchasesOfCommonStockUnderShareRepurchaseProgramsDetails Stockholders' Equity (Repurchases of Common Stock Under Share Repurchase Programs) (Details) false false R71.htm 2412405 - Disclosure - Stockholders' Equity (EPS from Continuing Operations Attributable to Raytheon Company Common Stockholders and Unvested Share-Based Payment Awards) (Details) Sheet http://www.raytheon.com/role/StockholdersEquityEpsFromContinuingOperationsAttributableToRaytheonCompanyCommonStockholdersAndUnvestedShareBasedPaymentAwardsDetails Stockholders' Equity (EPS from Continuing Operations Attributable to Raytheon Company Common Stockholders and Unvested Share-Based Payment Awards) (Details) false false R72.htm 2412406 - Disclosure - Stockholders' Equity Stockholders' Equity (Income attributable to participating securities) (Details) Sheet http://www.raytheon.com/role/StockholdersEquityStockholdersEquityIncomeAttributableToParticipatingSecuritiesDetails Stockholders' Equity Stockholders' Equity (Income attributable to participating securities) (Details) false false R73.htm 2412407 - Disclosure - Stockholders' Equity (Weighted-Average Shares Outstanding for Basic and Diluted EPS) (Details) Sheet http://www.raytheon.com/role/StockholdersEquityWeightedAverageSharesOutstandingForBasicAndDilutedEpsDetails Stockholders' Equity (Weighted-Average Shares Outstanding for Basic and Diluted EPS) (Details) false false R74.htm 2412408 - Disclosure - Stockholders' Equity (Stock Options Included in and Excluded from Calculations) (Details) Sheet http://www.raytheon.com/role/StockholdersEquityStockOptionsIncludedInAndExcludedFromCalculationsDetails Stockholders' Equity (Stock Options Included in and Excluded from Calculations) (Details) false false R75.htm 2413402 - Disclosure - Stock-based Compensation Plans (Narrative) (Details) Sheet http://www.raytheon.com/role/StockBasedCompensationPlansNarrativeDetails Stock-based Compensation Plans (Narrative) (Details) false false R76.htm 2413403 - Disclosure - Stock-based Compensation Plans Stock-based compensation (Details) Sheet http://www.raytheon.com/role/StockBasedCompensationPlansStockBasedCompensationDetails Stock-based Compensation Plans Stock-based compensation (Details) false false R77.htm 2413404 - Disclosure - Stock-based Compensation Plans (Restricted Stock Activity Disclosure) (Details) Sheet http://www.raytheon.com/role/StockBasedCompensationPlansRestrictedStockActivityDisclosureDetails Stock-based Compensation Plans (Restricted Stock Activity Disclosure) (Details) false false R78.htm 2413405 - Disclosure - Stock-based Compensation Plans (Long-Term Performance Plan Activity) (Details) Sheet http://www.raytheon.com/role/StockBasedCompensationPlansLongTermPerformancePlanActivityDetails Stock-based Compensation Plans (Long-Term Performance Plan Activity) (Details) false false R79.htm 2413406 - Disclosure - Stock-based Compensation Plans (Stock Option Activity Plan) (Details) Sheet http://www.raytheon.com/role/StockBasedCompensationPlansStockOptionActivityPlanDetails Stock-based Compensation Plans (Stock Option Activity Plan) (Details) false false R80.htm 2413407 - Disclosure - Stock-based Compensation Plans (Schedule of Stock Option Outstanding and Exercisable) (Details) Sheet http://www.raytheon.com/role/StockBasedCompensationPlansScheduleOfStockOptionOutstandingAndExercisableDetails Stock-based Compensation Plans (Schedule of Stock Option Outstanding and Exercisable) (Details) false false R81.htm 2414402 - Disclosure - Pension and Other Employee Benefits (Narrative) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsNarrativeDetails Pension and Other Employee Benefits (Narrative) (Details) false false R82.htm 2414403 - Disclosure - Pension and Other Employee Benefits Pension and Other Employee Benefits (Fair value of plan assets) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsPensionAndOtherEmployeeBenefitsFairValueOfPlanAssetsDetails Pension and Other Employee Benefits Pension and Other Employee Benefits (Fair value of plan assets) (Details) false false R83.htm 2414404 - Disclosure - Pension and Other Employee Benefits Pension and Other Employee Benefits (Marketable securities held in trust) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsPensionAndOtherEmployeeBenefitsMarketableSecuritiesHeldInTrustDetails Pension and Other Employee Benefits Pension and Other Employee Benefits (Marketable securities held in trust) (Details) false false R84.htm 2414405 - Disclosure - Pension and Other Employee Benefits Pension and Other Employee Benefits (Pension Contributions) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsPensionAndOtherEmployeeBenefitsPensionContributionsDetails Pension and Other Employee Benefits Pension and Other Employee Benefits (Pension Contributions) (Details) false false R85.htm 2414406 - Disclosure - Pension and Other Employee Benefits (Pension Benefits Expected to be Paid from Plans or Companies Assets) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsPensionBenefitsExpectedToBePaidFromPlansOrCompaniesAssetsDetails Pension and Other Employee Benefits (Pension Benefits Expected to be Paid from Plans or Companies Assets) (Details) false false R86.htm 2414407 - Disclosure - Pension and Other Employee Benefits (Schedule of Components of Net Periodic Benefit Expense (Income) Pension) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsScheduleOfComponentsOfNetPeriodicBenefitExpenseIncomePensionDetails Pension and Other Employee Benefits (Schedule of Components of Net Periodic Benefit Expense (Income) Pension) (Details) false false R87.htm 2414408 - Disclosure - Pension and Other Employee Benefits (Schedule of Components of Net Periodic Benefit Expense (Income) Other Benefits) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsScheduleOfComponentsOfNetPeriodicBenefitExpenseIncomeOtherBenefitsDetails Pension and Other Employee Benefits (Schedule of Components of Net Periodic Benefit Expense (Income) Other Benefits) (Details) false false R88.htm 2414409 - Disclosure - Pension and Other Employee Benefits (Schedule of Funded Status Amounts Recognized on the Balance Sheet) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsScheduleOfFundedStatusAmountsRecognizedOnBalanceSheetDetails Pension and Other Employee Benefits (Schedule of Funded Status Amounts Recognized on the Balance Sheet) (Details) false false R89.htm 2414410 - Disclosure - Pension and Other Employee Benefits (Schedule of Reconciliation of Amounts on the Balance Sheets) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsScheduleOfReconciliationOfAmountsOnBalanceSheetsDetails Pension and Other Employee Benefits (Schedule of Reconciliation of Amounts on the Balance Sheets) (Details) false false R90.htm 2414411 - Disclosure - Pension and Other Employee Benefits (Source of Change in Accumulated Other Comprehensive Loss) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsSourceOfChangeInAccumulatedOtherComprehensiveLossDetails Pension and Other Employee Benefits (Source of Change in Accumulated Other Comprehensive Loss) (Details) false false R91.htm 2414412 - Disclosure - Pension and Other Employee Benefits (Adjustment to Accumulated Other Comprehensive Loss) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsAdjustmentToAccumulatedOtherComprehensiveLossDetails Pension and Other Employee Benefits (Adjustment to Accumulated Other Comprehensive Loss) (Details) false false R92.htm 2414413 - Disclosure - Pension and Other Employee Benefits (PBO & ABO Schedule) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsPboAboScheduleDetails Pension and Other Employee Benefits (PBO & ABO Schedule) (Details) false false R93.htm 2414414 - Disclosure - Pension and Other Employee Benefits (Schedule of Change in Projected Benefit Obligation) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsScheduleOfChangeInProjectedBenefitObligationDetails Pension and Other Employee Benefits (Schedule of Change in Projected Benefit Obligation) (Details) false false R94.htm 2414415 - Disclosure - Pension and Other Employee Benefits (Schedule of Change in Plan Assets) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsScheduleOfChangeInPlanAssetsDetails Pension and Other Employee Benefits (Schedule of Change in Plan Assets) (Details) false false R95.htm 2414416 - Disclosure - Pension and Other Employee Benefits (Schedule of Weighted-Average Net Periodic Benefit Cost Assumptions) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsScheduleOfWeightedAverageNetPeriodicBenefitCostAssumptionsDetails Pension and Other Employee Benefits (Schedule of Weighted-Average Net Periodic Benefit Cost Assumptions) (Details) false false R96.htm 2414417 - Disclosure - Pension and Other Employee Benefits (Schedule of Weighted-Average Year-End Benefit Obligation Assumptions) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsScheduleOfWeightedAverageYearEndBenefitObligationAssumptionsDetails Pension and Other Employee Benefits (Schedule of Weighted-Average Year-End Benefit Obligation Assumptions) (Details) false false R97.htm 2414418 - Disclosure - Pension and Other Employee Benefits Pension and Other Employee Benefits (Long term returns used in ROA assumptions) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsPensionAndOtherEmployeeBenefitsLongTermReturnsUsedInRoaAssumptionsDetails Pension and Other Employee Benefits Pension and Other Employee Benefits (Long term returns used in ROA assumptions) (Details) false false R98.htm 2414419 - Disclosure - Pension and Other Employee Benefits (Schedule of Investment Allocation Ranges) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsScheduleOfInvestmentAllocationRangesDetails Pension and Other Employee Benefits (Schedule of Investment Allocation Ranges) (Details) false false R99.htm 2414420 - Disclosure - Pension and Other Employee Benefits (Schedule of Fair Value Measurements of the Company's Pension Plan Assets By Asset Category And By Level) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsScheduleOfFairValueMeasurementsOfCompanysPensionPlanAssetsByAssetCategoryAndByLevelDetails Pension and Other Employee Benefits (Schedule of Fair Value Measurements of the Company's Pension Plan Assets By Asset Category And By Level) (Details) false false R100.htm 2414421 - Disclosure - Pension and Other Employee Benefits (Schedule of Fair Value Measurements Using Significant Unobservable Inputs) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsScheduleOfFairValueMeasurementsUsingSignificantUnobservableInputsDetails Pension and Other Employee Benefits (Schedule of Fair Value Measurements Using Significant Unobservable Inputs) (Details) false false R101.htm 2414422 - Disclosure - Pension and Other Employee Benefits Pension and Other Employee Benefits (VEBA Trusts) (Details) Sheet http://www.raytheon.com/role/PensionAndOtherEmployeeBenefitsPensionAndOtherEmployeeBenefitsVebaTrustsDetails Pension and Other Employee Benefits Pension and Other Employee Benefits (VEBA Trusts) (Details) false false R102.htm 2415402 - Disclosure - Income Taxes (Narrative) (Details) Sheet http://www.raytheon.com/role/IncomeTaxesNarrativeDetails Income Taxes (Narrative) (Details) false false R103.htm 2415403 - Disclosure - Income Taxes (Schedule of Provision for Federal and Foreign Income Taxes) (Details) Sheet http://www.raytheon.com/role/IncomeTaxesScheduleOfProvisionForFederalAndForeignIncomeTaxesDetails Income Taxes (Schedule of Provision for Federal and Foreign Income Taxes) (Details) false false R104.htm 2415404 - Disclosure - Income Taxes (Schedule of Expenses for Income Taxes that Differ from the US Statutory Rate Reconciliation) (Details) Sheet http://www.raytheon.com/role/IncomeTaxesScheduleOfExpensesForIncomeTaxesThatDifferFromUsStatutoryRateReconciliationDetails Income Taxes (Schedule of Expenses for Income Taxes that Differ from the US Statutory Rate Reconciliation) (Details) false false R105.htm 2415405 - Disclosure - Income Taxes Income Taxes (Schedule of Domestic and Foreign Income from continuing operations before taxes) (Details) Sheet http://www.raytheon.com/role/IncomeTaxesIncomeTaxesScheduleOfDomesticAndForeignIncomeFromContinuingOperationsBeforeTaxesDetails Income Taxes Income Taxes (Schedule of Domestic and Foreign Income from continuing operations before taxes) (Details) false false R106.htm 2415406 - Disclosure - Income Taxes Income Taxes Paid, Net (Schedule of Income Taxes Paid, Net)( Details) Sheet http://www.raytheon.com/role/IncomeTaxesIncomeTaxesPaidNetScheduleOfIncomeTaxesPaidNetDetails Income Taxes Income Taxes Paid, Net (Schedule of Income Taxes Paid, Net)( Details) false false R107.htm 2415407 - Disclosure - Income Taxes (Rollforward of Unrecognized Tax Benefits) (Details) Sheet http://www.raytheon.com/role/IncomeTaxesRollforwardOfUnrecognizedTaxBenefitsDetails Income Taxes (Rollforward of Unrecognized Tax Benefits) (Details) false false R108.htm 2415408 - Disclosure - Income Taxes (Schedule of Deferred Income Tax) (Details) Sheet http://www.raytheon.com/role/IncomeTaxesScheduleOfDeferredIncomeTaxDetails Income Taxes (Schedule of Deferred Income Tax) (Details) false false R109.htm 2416403 - Disclosure - Business Segment Reporting (Segment Operating Performance) (Details) Sheet http://www.raytheon.com/role/BusinessSegmentReportingSegmentOperatingPerformanceDetails Business Segment Reporting (Segment Operating Performance) (Details) false false R110.htm 2416404 - Disclosure - Business Segment Reporting (Components of Operating Income) (Details) Sheet http://www.raytheon.com/role/BusinessSegmentReportingComponentsOfOperatingIncomeDetails Business Segment Reporting (Components of Operating Income) (Details) false false R111.htm 2416405 - Disclosure - Business Segment Reporting (Capital Expenditures) (Details) Sheet http://www.raytheon.com/role/BusinessSegmentReportingCapitalExpendituresDetails Business Segment Reporting (Capital Expenditures) (Details) false false R112.htm 2416406 - Disclosure - Business Segment Reporting (Depreciation and Amortization) (Details) Sheet http://www.raytheon.com/role/BusinessSegmentReportingDepreciationAndAmortizationDetails Business Segment Reporting (Depreciation and Amortization) (Details) false false R113.htm 2416407 - Disclosure - Business Segment Reporting (Components of Identifiable Assets) (Details) Sheet http://www.raytheon.com/role/BusinessSegmentReportingComponentsOfIdentifiableAssetsDetails Business Segment Reporting (Components of Identifiable Assets) (Details) false false R114.htm 2416408 - Disclosure - Business Segment Reporting (Schedule of Total Net Sales by Geographic Areas) (Details) Sheet http://www.raytheon.com/role/BusinessSegmentReportingScheduleOfTotalNetSalesByGeographicAreasDetails Business Segment Reporting (Schedule of Total Net Sales by Geographic Areas) (Details) false false R115.htm 2416409 - Disclosure - Business Segment Reporting Business Segment Reporting (Sales to Major Customers) (Details) Sheet http://www.raytheon.com/role/BusinessSegmentReportingBusinessSegmentReportingSalesToMajorCustomersDetails Business Segment Reporting Business Segment Reporting (Sales to Major Customers) (Details) false false R116.htm 2416410 - Disclosure - Business Segment Reporting (Schedule of Property Plant and Equipment by Geographic Area) (Details) Sheet http://www.raytheon.com/role/BusinessSegmentReportingScheduleOfPropertyPlantAndEquipmentByGeographicAreaDetails Business Segment Reporting (Schedule of Property Plant and Equipment by Geographic Area) (Details) false false R117.htm 2417402 - Disclosure - Quarterly Operating Results (Narrative) (Details) Sheet http://www.raytheon.com/role/QuarterlyOperatingResultsNarrativeDetails Quarterly Operating Results (Narrative) (Details) false false R118.htm 2417403 - Disclosure - Quarterly Operating Results (Schedule of Quarterly Operating Results) (Details) Sheet http://www.raytheon.com/role/QuarterlyOperatingResultsScheduleOfQuarterlyOperatingResultsDetails Quarterly Operating Results (Schedule of Quarterly Operating Results) (Details) false false All Reports Book All Reports Element us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease had a mix of decimals attribute values: 2 4. Element us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease had a mix of decimals attribute values: 2 4. Element us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedForNextFiscalYear had a mix of decimals attribute values: 2 4. Element us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants had a mix of decimals attribute values: -5 0. Element us-gaap_RatioOfIndebtednessToNetCapital1 had a mix of decimals attribute values: 2 3. 'Monetary' elements on report '2401403 - Disclosure - Summary of Significant Accounting Policies (Narrative) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '2408402 - Disclosure - Derivative Financial Instruments (Narrative) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '2410402 - Disclosure - Notes Payable and Long-term Debt (Narrative) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '2411402 - Disclosure - Commitments and Contingencies (Narrative) (Details)' had a mix of different decimal attribute values. 'Shares' elements on report '2412402 - Disclosure - Stockholders' Equity (Narrative) (Details)' had a mix of different decimal attribute values. 'Shares' elements on report '2412407 - Disclosure - Stockholders' Equity (Weighted-Average Shares Outstanding for Basic and Diluted EPS) (Details)' had a mix of different decimal attribute values. 'Shares' elements on report '2413402 - Disclosure - Stock-based Compensation Plans (Narrative) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '2414402 - Disclosure - Pension and Other Employee Benefits (Narrative) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '2417402 - Disclosure - Quarterly Operating Results (Narrative) (Details)' had a mix of different decimal attribute values. Process Flow-Through: 1001000 - Statement - CONSOLIDATED BALANCE SHEETS Process Flow-Through: Removing column 'Dec. 31, 2011' Process Flow-Through: Removing column 'Dec. 31, 2010' Process Flow-Through: 1001001 - Statement - CONSOLIDATED BALANCE SHEETS Consolidated Balance Sheets (Parenthetical) Process Flow-Through: Removing column 'Dec. 31, 2011' Process Flow-Through: Removing column 'Dec. 31, 2010' Process Flow-Through: 1002000 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2013' Process Flow-Through: Removing column '3 Months Ended Sep. 29, 2013' Process Flow-Through: Removing column '3 Months Ended Jun. 30, 2013' Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2013' Process Flow-Through: Removing column '3 Months Ended Dec. 31, 2012' Process Flow-Through: Removing column '3 Months Ended Sep. 30, 2012' Process Flow-Through: Removing column '3 Months Ended Jul. 01, 2012' Process Flow-Through: Removing column '3 Months Ended Apr. 01, 2012' Process Flow-Through: 1003000 - Statement - CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME Process Flow-Through: 1005000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS rtn-20131231.xml rtn-20131231.xsd rtn-20131231_cal.xml rtn-20131231_def.xml rtn-20131231_lab.xml rtn-20131231_pre.xml true true