Schedule I Condensed Financial Information of Parent - Balance Sheet (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash and cash equivalents	$ 3,262	$ 3,108	$ 2,328	$ 2,988
Other assets	875	1,045
Total Assets	31,745	25,932
Accrued expenses and other liabilities	2,196	1,499
Debt	9,295	9,873
Total liabilities	18,436	16,116
Limited partners: Depositary units: 115,900,309 and 104,850,813 units issued and outstanding at December 31, 2013 and 2012, respectively	6,308	4,913
General partner	(216)	(244)
Total equity	13,309	9,816	7,871	7,931
Total Liabilities and Equity	31,745	25,932
Icahn Enterprises Holdings [Member]
Cash and cash equivalents	3,262	3,108	2,328	2,988
Other assets	891	1,059
Total Assets	31,761	25,946
Accrued expenses and other liabilities	2,196	1,499
Debt	9,289	9,865
Total liabilities	18,430	16,108
Limited partners: Depositary units: 115,900,309 and 104,850,813 units issued and outstanding at December 31, 2013 and 2012, respectively	6,393	4,984
General partner	(279)	(293)
Total equity	13,331	9,838	7,892	7,951
Total Liabilities and Equity	31,761	25,946
Parent Company [Member]
Cash and cash equivalents	0	0	0	0
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	10,383	8,918
Deferred Finance Costs, Net	7	9
Total Assets	10,390	8,927
Accrued expenses and other liabilities	283	132
Debt	4,015	4,126
Total liabilities	4,298	4,258
Limited partners: Depositary units: 115,900,309 and 104,850,813 units issued and outstanding at December 31, 2013 and 2012, respectively	6,308	4,913
General partner	(216)	(244)
Total equity	6,092	4,669
Total Liabilities and Equity	10,390	8,927
Parent Company [Member] | Icahn Enterprises Holdings [Member]
Cash and cash equivalents	142	107	24	204
Other assets	112	126
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	10,054	8,728
Total Assets	10,308	8,961
Accrued expenses and other liabilities	144	134
Debt	4,050	4,136
Total liabilities	4,194	4,270
Limited partners: Depositary units: 115,900,309 and 104,850,813 units issued and outstanding at December 31, 2013 and 2012, respectively	6,393	4,984
General partner	(279)	(293)
Total equity	6,114	4,691
Total Liabilities and Equity	$ 10,308	$ 8,961