Net Sales By Customer (Detail) (USD $) In Millions, unless otherwise specified
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3 Months Ended |
12 Months Ended |
Dec. 31, 2014
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Sep. 28, 2014
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Jun. 29, 2014
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Mar. 30, 2014
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Dec. 31, 2013
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Sep. 29, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Segment Reporting Information [Line Items] |
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Total net sales |
$ 12,530us-gaap_SalesRevenueNet |
$ 11,114us-gaap_SalesRevenueNet |
$ 11,306us-gaap_SalesRevenueNet |
$ 10,650us-gaap_SalesRevenueNet |
$ 11,533us-gaap_SalesRevenueNet |
$ 11,347us-gaap_SalesRevenueNet |
$ 11,408us-gaap_SalesRevenueNet |
$ 11,070us-gaap_SalesRevenueNet |
$ 45,600us-gaap_SalesRevenueNet |
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$ 45,358us-gaap_SalesRevenueNet |
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$ 47,182us-gaap_SalesRevenueNet |
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U.S. Government |
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Segment Reporting Information [Line Items] |
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Total net sales |
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36,090us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_USGovernmentMember |
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37,173us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_USGovernmentMember |
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38,788us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_USGovernmentMember |
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U.S. Government | Aeronautics |
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Segment Reporting Information [Line Items] |
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Total net sales |
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10,704us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_USGovernmentMember / us-gaap_StatementBusinessSegmentsAxis = lmt_AeronauticsMember |
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11,025us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_USGovernmentMember / us-gaap_StatementBusinessSegmentsAxis = lmt_AeronauticsMember |
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11,587us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_USGovernmentMember / us-gaap_StatementBusinessSegmentsAxis = lmt_AeronauticsMember |
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U.S. Government | Information Systems & Global Solutions |
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Segment Reporting Information [Line Items] |
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Total net sales |
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6,951us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_USGovernmentMember / us-gaap_StatementBusinessSegmentsAxis = lmt_InformationSystemsAndGlobalSolutionsMember |
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7,768us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_USGovernmentMember / us-gaap_StatementBusinessSegmentsAxis = lmt_InformationSystemsAndGlobalSolutionsMember |
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8,340us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_USGovernmentMember / us-gaap_StatementBusinessSegmentsAxis = lmt_InformationSystemsAndGlobalSolutionsMember |
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U.S. Government | Missiles and Fire Control |
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Segment Reporting Information [Line Items] |
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Total net sales |
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5,223us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_USGovernmentMember / us-gaap_StatementBusinessSegmentsAxis = lmt_MissilesAndFireControlMember |
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5,177us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_USGovernmentMember / us-gaap_StatementBusinessSegmentsAxis = lmt_MissilesAndFireControlMember |
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5,224us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_USGovernmentMember / us-gaap_StatementBusinessSegmentsAxis = lmt_MissilesAndFireControlMember |
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U.S. Government | Mission Systems and Training |
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Segment Reporting Information [Line Items] |
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Total net sales |
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5,395us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_USGovernmentMember / us-gaap_StatementBusinessSegmentsAxis = lmt_MissionSystemsAndTrainingMember |
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5,370us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_USGovernmentMember / us-gaap_StatementBusinessSegmentsAxis = lmt_MissionSystemsAndTrainingMember |
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5,685us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_USGovernmentMember / us-gaap_StatementBusinessSegmentsAxis = lmt_MissionSystemsAndTrainingMember |
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U.S. Government | Space Systems |
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Segment Reporting Information [Line Items] |
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Total net sales |
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7,817us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_USGovernmentMember / us-gaap_StatementBusinessSegmentsAxis = lmt_SpaceSystemsMember |
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7,833us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_USGovernmentMember / us-gaap_StatementBusinessSegmentsAxis = lmt_SpaceSystemsMember |
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7,952us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_USGovernmentMember / us-gaap_StatementBusinessSegmentsAxis = lmt_SpaceSystemsMember |
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International |
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Segment Reporting Information [Line Items] |
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Total net sales |
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9,015us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_InternationalMember |
[1] |
7,768us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_InternationalMember |
[1] |
8,056us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_InternationalMember |
[1] |
International | Aeronautics |
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Segment Reporting Information [Line Items] |
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Total net sales |
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4,183us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_InternationalMember / us-gaap_StatementBusinessSegmentsAxis = lmt_AeronauticsMember |
[1] |
3,078us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_InternationalMember / us-gaap_StatementBusinessSegmentsAxis = lmt_AeronauticsMember |
[1] |
3,323us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_InternationalMember / us-gaap_StatementBusinessSegmentsAxis = lmt_AeronauticsMember |
[1] |
International | Information Systems & Global Solutions |
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Segment Reporting Information [Line Items] |
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Total net sales |
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630us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_InternationalMember / us-gaap_StatementBusinessSegmentsAxis = lmt_InformationSystemsAndGlobalSolutionsMember |
[1] |
399us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_InternationalMember / us-gaap_StatementBusinessSegmentsAxis = lmt_InformationSystemsAndGlobalSolutionsMember |
[1] |
380us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_InternationalMember / us-gaap_StatementBusinessSegmentsAxis = lmt_InformationSystemsAndGlobalSolutionsMember |
[1] |
International | Missiles and Fire Control |
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Segment Reporting Information [Line Items] |
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Total net sales |
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2,443us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_InternationalMember / us-gaap_StatementBusinessSegmentsAxis = lmt_MissilesAndFireControlMember |
[1] |
2,546us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_InternationalMember / us-gaap_StatementBusinessSegmentsAxis = lmt_MissilesAndFireControlMember |
[1] |
2,208us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_InternationalMember / us-gaap_StatementBusinessSegmentsAxis = lmt_MissilesAndFireControlMember |
[1] |
International | Mission Systems and Training |
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Segment Reporting Information [Line Items] |
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Total net sales |
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1,694us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_InternationalMember / us-gaap_StatementBusinessSegmentsAxis = lmt_MissionSystemsAndTrainingMember |
[1] |
1,672us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_InternationalMember / us-gaap_StatementBusinessSegmentsAxis = lmt_MissionSystemsAndTrainingMember |
[1] |
1,826us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_InternationalMember / us-gaap_StatementBusinessSegmentsAxis = lmt_MissionSystemsAndTrainingMember |
[1] |
International | Space Systems |
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Segment Reporting Information [Line Items] |
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Total net sales |
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65us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_InternationalMember / us-gaap_StatementBusinessSegmentsAxis = lmt_SpaceSystemsMember |
[1] |
73us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_InternationalMember / us-gaap_StatementBusinessSegmentsAxis = lmt_SpaceSystemsMember |
[1] |
319us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_InternationalMember / us-gaap_StatementBusinessSegmentsAxis = lmt_SpaceSystemsMember |
[1] |
United States Commercial and Other |
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Segment Reporting Information [Line Items] |
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Total net sales |
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495us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_UnitedStatesCommercialAndOtherMember |
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417us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_UnitedStatesCommercialAndOtherMember |
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338us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_UnitedStatesCommercialAndOtherMember |
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United States Commercial and Other | Aeronautics |
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Segment Reporting Information [Line Items] |
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Total net sales |
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33us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_UnitedStatesCommercialAndOtherMember / us-gaap_StatementBusinessSegmentsAxis = lmt_AeronauticsMember |
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20us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_UnitedStatesCommercialAndOtherMember / us-gaap_StatementBusinessSegmentsAxis = lmt_AeronauticsMember |
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43us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_UnitedStatesCommercialAndOtherMember / us-gaap_StatementBusinessSegmentsAxis = lmt_AeronauticsMember |
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United States Commercial and Other | Information Systems & Global Solutions |
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Segment Reporting Information [Line Items] |
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Total net sales |
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207us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_UnitedStatesCommercialAndOtherMember / us-gaap_StatementBusinessSegmentsAxis = lmt_InformationSystemsAndGlobalSolutionsMember |
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200us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_UnitedStatesCommercialAndOtherMember / us-gaap_StatementBusinessSegmentsAxis = lmt_InformationSystemsAndGlobalSolutionsMember |
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126us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_UnitedStatesCommercialAndOtherMember / us-gaap_StatementBusinessSegmentsAxis = lmt_InformationSystemsAndGlobalSolutionsMember |
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United States Commercial and Other | Missiles and Fire Control |
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Segment Reporting Information [Line Items] |
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Total net sales |
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14us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_UnitedStatesCommercialAndOtherMember / us-gaap_StatementBusinessSegmentsAxis = lmt_MissilesAndFireControlMember |
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34us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_UnitedStatesCommercialAndOtherMember / us-gaap_StatementBusinessSegmentsAxis = lmt_MissilesAndFireControlMember |
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25us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_UnitedStatesCommercialAndOtherMember / us-gaap_StatementBusinessSegmentsAxis = lmt_MissilesAndFireControlMember |
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United States Commercial and Other | Mission Systems and Training |
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Segment Reporting Information [Line Items] |
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Total net sales |
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58us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_UnitedStatesCommercialAndOtherMember / us-gaap_StatementBusinessSegmentsAxis = lmt_MissionSystemsAndTrainingMember |
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111us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_UnitedStatesCommercialAndOtherMember / us-gaap_StatementBusinessSegmentsAxis = lmt_MissionSystemsAndTrainingMember |
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68us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_UnitedStatesCommercialAndOtherMember / us-gaap_StatementBusinessSegmentsAxis = lmt_MissionSystemsAndTrainingMember |
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United States Commercial and Other | Space Systems |
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Segment Reporting Information [Line Items] |
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Total net sales |
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$ 183us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_UnitedStatesCommercialAndOtherMember / us-gaap_StatementBusinessSegmentsAxis = lmt_SpaceSystemsMember |
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$ 52us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_UnitedStatesCommercialAndOtherMember / us-gaap_StatementBusinessSegmentsAxis = lmt_SpaceSystemsMember |
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$ 76us-gaap_SalesRevenueNet / us-gaap_MajorCustomersAxis = lmt_UnitedStatesCommercialAndOtherMember / us-gaap_StatementBusinessSegmentsAxis = lmt_SpaceSystemsMember |
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