v2.4.0.6
Document and Entity Information
12 Months Ended
Dec. 31, 2011
Jan. 31, 2012
Entity Information [Line Items]    
Document Type 8-K  
Amendment Flag false  
Document Period End Date Dec. 31, 2011  
Trading Symbol COP  
Entity Registrant Name CONOCOPHILLIPS  
Entity Central Index Key 0001163165  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   1,279,692,596