Document And Entity Information
6 Months Ended
Jun. 30, 2016
Document And Entity Information [Abstract]  
Entity Registrant Name NOBLE ENERGY INC
Entity Central Index Key 0000072207
Current Fiscal Year End Date --12-31
Entity Filer Category Large Accelerated Filer
Entity Common Stock, Shares Outstanding 429,671,813
Document Fiscal Year Focus 2016
Document Fiscal Period Focus Q2
Document Type 10-Q
Amendment Flag false
Document Period End Date Jun. 30, 2016