1.0.0.3 false Statement Of Financial Position Classified (USD $) In Millions false 1 $ false false Shares Standard http://www.xbrl.org/2003/instance shares 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDperShareItemType Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares 0 false 2 $ false false Shares Standard http://www.xbrl.org/2003/instance shares 0 USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDperShareItemType Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares 0 6 Current assets 4 us-gaap_AssetsCurrentAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. false 7 Cash and cash equivalents 5 us-gaap_CashAndCashEquivalentsAtCarryingValue us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 true true 2199000000 2199 false false 2 true true 2259000000 2259 false false No definition available. No authoritative reference available. false 8 Accounts receivable, net 5 us-gaap_AccountsReceivableNetCurrent us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 115000000 115 false false 2 false true 105000000 105 false false No definition available. No authoritative reference available. false 9 Contracts in process 5 us-gaap_ReceivablesLongTermContractsOrPrograms us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 4493000000 4493 false false 2 false true 3793000000 3793 false false No definition available. No authoritative reference available. false 10 Inventories 5 us-gaap_InventoryNet us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 294000000 294 false false 2 false true 325000000 325 false false No definition available. No authoritative reference available. false 11 Current tax asset 5 us-gaap_IncomeTaxesReceivable us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 13000000 13 false false 2 false true 441000000 441 false false No definition available. No authoritative reference available. false 12 Deferred taxes 5 us-gaap_DeferredTaxAssetsNetCurrent us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 387000000 387 false false 2 false true 395000000 395 false false No definition available. No authoritative reference available. false 13 Prepaid expenses and other current assets 5 us-gaap_PrepaidExpenseCurrent us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 93000000 93 false false 2 false true 99000000 99 false false No definition available. No authoritative reference available. false 14 Total current assets 5 us-gaap_AssetsCurrent us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 7594000000 7594 false false 2 false true 7417000000 7417 false false No definition available. No authoritative reference available. true 15 Property, plant and equipment, net 4 us-gaap_PropertyPlantAndEquipmentNet us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 1961000000 1961 false false 2 false true 2024000000 2024 false false No definition available. No authoritative reference available. false 16 Deferred taxes 4 us-gaap_DeferredTaxAssetsNetNoncurrent us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 572000000 572 false false 2 false true 735000000 735 false false No definition available. No authoritative reference available. false 17 Prepaid retiree benefits 4 rtn_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent rtn false debit instant monetary No definition available. false false false false false false false false false 1 false true 72000000 72 false false 2 false true 56000000 56 false false No definition available. No authoritative reference available. false 18 Goodwill 4 us-gaap_Goodwill us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 11665000000 11665 false false 2 false true 11662000000 11662 false false No definition available. No authoritative reference available. false 19 Other assets, net 4 us-gaap_OtherAssetsNoncurrent us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 1186000000 1186 false false 2 false true 1240000000 1240 false false No definition available. No authoritative reference available. false 20 Total assets 4 us-gaap_Assets us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true 23050000000 23050 false false 2 false true 23134000000 23134 false false No definition available. No authoritative reference available. true 22 Current liabilities 4 us-gaap_LiabilitiesCurrentAbstract us-gaap true na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. false 23 Advance payments and billings in excess of costs incurred 5 us-gaap_CustomerAdvancesCurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 1968000000 1968 false false 2 false true 1970000000 1970 false false No definition available. No authoritative reference available. false 24 Accounts payable 5 us-gaap_AccountsPayable us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 1189000000 1189 false false 2 false true 1201000000 1201 false false No definition available. No authoritative reference available. false 25 Accrued employee compensation 5 us-gaap_EmployeeRelatedLiabilities us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 912000000 912 false false 2 false true 913000000 913 false false No definition available. No authoritative reference available. false 26 Other accrued expenses 5 us-gaap_OtherAccruedLiabilities us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 1016000000 1016 false false 2 false true 1065000000 1065 false false No definition available. No authoritative reference available. false 27 Total current liabilities 5 us-gaap_LiabilitiesCurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 5085000000 5085 false false 2 false true 5149000000 5149 false false No definition available. No authoritative reference available. true 28 Accrued retiree benefits and other long-term liabilities 4 us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansNoncurrentLiabilities us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 6131000000 6131 false false 2 false true 6488000000 6488 false false No definition available. No authoritative reference available. false 29 Long-term debt 4 us-gaap_LongTermDebtNoncurrent us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 2295000000 2295 false false 2 false true 2309000000 2309 false false No definition available. No authoritative reference available. false 30 Commitments and contingencies (Note 10) 4 us-gaap_CommitmentsAndContingencies us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 0 0 false false 2 false true 0 0 false false No definition available. No authoritative reference available. false 31 Equity 4 rtn_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract rtn false na duration string No definition available. false false false false false true false false false 1 false false 0 0 false false 2 false false 0 0 false false No definition available. false 32 Common stock, par value, $0.01 per share, 1,450 shares authorized, 389 shares and 400 shares outstanding at June 28, 2009 and December 31, 2008, respectively, after deducting 94 treasury shares and 81 treasury shares at June 28, 2009 and December 31, 2008, respectively 5 us-gaap_CommonStockValue us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 4000000 4 false false 2 false true 4000000 4 false false No definition available. No authoritative reference available. false 33 Additional paid-in capital 5 us-gaap_AdditionalPaidInCapitalCommonStock us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 10899000000 10899 false false 2 false true 10873000000 10873 false false No definition available. No authoritative reference available. false 34 Accumulated other comprehensive loss 5 us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true -4962000000 -4962 false false 2 false true -5182000000 -5182 false false No definition available. No authoritative reference available. false 35 Treasury stock, at cost 5 us-gaap_TreasuryStockValue us-gaap true debit instant monetary No definition available. false false false false false false false false false 1 false true -4844000000 -4844 false false 2 false true -4254000000 -4254 false false No definition available. No authoritative reference available. false 36 Retained earnings 5 us-gaap_RetainedEarningsAccumulatedDeficit us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 8344000000 8344 false false 2 false true 7646000000 7646 false false No definition available. No authoritative reference available. false 37 Total Raytheon Company stockholders' equity 5 us-gaap_StockholdersEquity us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 9441000000 9441 false false 2 false true 9087000000 9087 false false No definition available. No authoritative reference available. true 38 Noncontrolling interest in subsidiaries 4 us-gaap_MinorityInterest us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 false true 98000000 98 false false 2 false true 101000000 101 false false No definition available. No authoritative reference available. false 39 Total equity 4 rtn_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest rtn false credit instant monetary No definition available. false false false false false false false false false 1 false true 9539000000 9539 false false 2 false true 9188000000 9188 false false No definition available. No authoritative reference available. true 40 Total liabilities and equity 4 us-gaap_LiabilitiesAndStockholdersEquity us-gaap true credit instant monetary No definition available. false false false false false false false false false 1 true true 23050000000 23050 false false 2 true true 23134000000 23134 false false No definition available. No authoritative reference available. true false 2 34 false Millions UnKnown UnKnown false true