Schedule I Condensed Financial Information of Parent - Balance Sheet (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash and cash equivalents	$ 2,912	$ 3,262	$ 3,108	$ 2,328
Other assets	1,320us-gaap_OtherAssets	910us-gaap_OtherAssets
Total Assets	35,780us-gaap_Assets	31,745us-gaap_Assets
Accrued expenses and other liabilities	2,235	2,196
Debt	11,588us-gaap_DebtAndCapitalLeaseObligations	9,295us-gaap_DebtAndCapitalLeaseObligations
Total liabilities	23,390us-gaap_Liabilities	18,436us-gaap_Liabilities
Limited partners: Depositary units: 123,103,414 and 115,900,309 units issued and outstanding at December 31, 2014 and 2013, respectively	5,672us-gaap_LimitedPartnersCapitalAccount	6,308us-gaap_LimitedPartnersCapitalAccount
General partner	(229)us-gaap_GeneralPartnersCapitalAccount	(216)us-gaap_GeneralPartnersCapitalAccount
Total equity	12,390	13,309	9,816	7,871
Total Liabilities and Equity	35,780	31,745
Icahn Enterprises Holdings [Member]
Cash and cash equivalents	2,912	3,262	3,108	2,328
Other assets	1,343	926
Total Assets	35,803	31,761
Accrued expenses and other liabilities	2,235	2,196
Debt	11,588	9,289
Total liabilities	23,390	18,430
Limited partners: Depositary units: 123,103,414 and 115,900,309 units issued and outstanding at December 31, 2014 and 2013, respectively	5,751	6,393
General partner	(285)	(279)
Total equity	12,413	13,331	9,838	7,892
Total Liabilities and Equity	35,803	31,761
Parent Company [Member]
Cash and cash equivalents	0	0	0		0
Investments in subsidiaries, net	11,028	10,384
Deferred financing costs	8	7
Total Assets	11,036	10,391
Accrued expenses and other liabilities	107	283
Debt	5,486	4,016
Total liabilities	5,593	4,299
Limited partners: Depositary units: 123,103,414 and 115,900,309 units issued and outstanding at December 31, 2014 and 2013, respectively	5,672	6,308
General partner	(229)	(216)
Total equity	5,443	6,092
Total Liabilities and Equity	11,036	10,391
Parent Company [Member] \| Icahn Enterprises Holdings [Member]
Cash and cash equivalents	388	142	107		24
Other assets	114	112
Investments in subsidiaries, net	10,592	10,054
Total Assets	11,094	10,308
Accrued expenses and other liabilities	111	144
Debt	5,517	4,050
Total liabilities	5,628	4,194
Limited partners: Depositary units: 123,103,414 and 115,900,309 units issued and outstanding at December 31, 2014 and 2013, respectively	5,751	6,393
General partner	(285)	(279)
Total equity	5,466	6,114
Total Liabilities and Equity	$ 11,094	$ 10,308

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.

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