v2.4.0.8
Document and Entity Information
3 Months Ended
Mar. 30, 2014
Document Information [Line Items]  
Document Type 10-Q
Amendment Flag false
Document Period End Date Mar. 30, 2014
Document Fiscal Year Focus 2014
Document Fiscal Period Focus Q1
Trading Symbol LMT
Entity Registrant Name LOCKHEED MARTIN CORP
Entity Central Index Key 0000936468
Current Fiscal Year End Date --12-31
Entity Filer Category Large Accelerated Filer
Entity Common Stock, Shares Outstanding 317,377,058