v2.4.0.6
Document And Entity Information (USD $)
6 Months Ended
Jun. 30, 2011
Jul. 08, 2011
Entity Registrant Name NOBLE ENERGY INC  
Entity Central Index Key 0000072207  
Current Fiscal Year End Date --12-31  
Entity Well-known Seasoned Issuer Yes  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Public Float $ 15,800,000,000  
Entity Common Stock, Shares Outstanding   176,513,711
Document Fiscal Year Focus 2011  
Document Fiscal Period Focus Q2  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2011