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Schedule I Condensed Financial Informaiton of Parent - Debt Note (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011
Debt | $ 8,548 | $ 6,473
Icahn Enterprises Holdings [Member] |  |
Debt | 8,540 | 6,463
Parent Company [Member] |  |
Debt | 4,126 | 3,100
Parent Company [Member] | Icahn Enterprises Holdings [Member] |  |
Affiliate ownership interest | 99.00% |
Debt | 4,136 | 3,112
Senior unsecured variable rate convertible notes due 2013 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] |  |
Debt | 556 | 556
Senior unsecured variable rate convertible notes due 2013 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] | Icahn Enterprises Holdings [Member] |  |
Debt | 556 | 556
Senior unsecured variable rate convertible notes due 2013 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] | Parent Company [Member] |  |
Debt | 600 | 600
Senior unsecured variable rate convertible notes due 2013 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] | Parent Company [Member] | Icahn Enterprises Holdings [Member] |  |
Debt | 556 | 556
8% senior unsecured notes due 2018 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] |  |
Debt | 2,476 | 1,450
8% senior unsecured notes due 2018 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] | Icahn Enterprises Holdings [Member] |  |
Debt | 2,471 | 1,444
8% senior unsecured notes due 2018 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] | Parent Company [Member] |  |
Debt | 2,476 | 1,450
8% senior unsecured notes due 2018 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] | Parent Company [Member] | Icahn Enterprises Holdings [Member] |  |
Debt | 2,471 | 1,444
7.75% senior unsecured notes due 2016 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] |  |
Debt | 1,050 | 1,050
7.75% senior unsecured notes due 2016 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] | Icahn Enterprises Holdings [Member] |  |
Debt | 1,047 | 1,046
7.75% senior unsecured notes due 2016 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] | Parent Company [Member] |  |
Debt | 1,050 | 1,050
7.75% senior unsecured notes due 2016 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] | Parent Company [Member] | Icahn Enterprises Holdings [Member] |  |
Debt | 1,047 | 1,046
Mortgages payable [Member] | Mortgages [Member] | Parent Company [Member] | Icahn Enterprises Holdings [Member] |  |
Debt | $ 62 | $ 66
Icahn Enterprises G.P. [Member] |  |
General partner ownership percentage in Icahn Enterprises | 1.00% |
Aggregate general partner ownership interest of parent and operating subsidiary | 1.99% |
Icahn Enterprises G.P. [Member] | Parent Company [Member] |  |
General partner ownership percentage in Icahn Enterprises | 1.00% |
Aggregate general partner ownership interest of parent and operating subsidiary | 1.99% |
Icahn Enterprises G.P. [Member] | Parent Company [Member] | Icahn Enterprises Holdings [Member] |  |
General partner ownership percentage in Icahn Enterprises | 1.00% |

X
- Definition Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Aggregate Ownership interest of Parent and Holding Company Subsidiaries + References No definition available. + Details
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- Definition Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13,16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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