XML 91 R1.htm IDEA: XBRL DOCUMENT v2.4.1.9
Document and Entity Information Document (USD $)
In Millions, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Feb. 26, 2015
Jun. 30, 2014
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 Large Accelerated Filer    
Document Type 10-K    
Document Period End Date Dec. 31, 2014    
Document Fiscal Year Focus 2014    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   123,103,414dei_EntityCommonStockSharesOutstanding  
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 1,415dei_EntityPublicFloat
Icahn Enterprises Holdings [Member]      
Entity Information [Line Items]      
Entity Registrant Name ICAHN ENTERPRISES HOLDINGS L.P.    
Entity Central Index Key 0001034563    
Current Fiscal Year End Date --12-31    
Entity Filer Category Non-accelerated Filer    
Document Type 10-K    
Document Period End Date Dec. 31, 2014    
Document Fiscal Year Focus 2014    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Common Stock, Shares Outstanding   0dei_EntityCommonStockSharesOutstanding
/ dei_LegalEntityAxis
= iep_IcahnEnterprisesHoldingsMember		  
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes