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Document and Entity Information Document
 6 Months Ended
Jun. 30, 2012
Aug. 06, 2012
Entity Information [Line Items]    
Entity Registrant Name ICAHN ENTERPRISES L.P.  
Entity Central Index Key 0000813762  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Document Type 10-Q  
Document Period End Date Jun. 30, 2012  
Document Fiscal Year Focus 2012  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   100,313,727
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes