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COVER PAGE - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2024
Feb. 25, 2025
Jun. 30, 2024
COVER PAGE      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Document Transition Report false    
Entity File Number 1-9516    
Entity Registrant Name ICAHN ENTERPRISES L.P.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 13-3398766    
Entity Address, Address Line One 16690 Collins Avenue,    
Entity Address, Address Line Two PH-1    
Entity Address, City or Town Sunny Isles Beach,    
Entity Address, State or Province FL    
Entity Address, Postal Zip Code 33160    
City Area Code 305    
Local Phone Number 422-4100    
Title of 12(b) Security Depositary Units of Icahn Enterprises L.P. Representing Limited Partner Interests    
Trading Symbol IEP    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 1.1
Entity Common Stock, Shares Outstanding   522,736,315  
Auditor Firm ID 248    
Auditor Name GRANT THORNTON LLP    
Auditor Location Fort Lauderdale, Florida    
Entity Central Index Key 0000813762    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Amendment Flag false