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Schedule I Condensed Financial Information of Parent - Footnote (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Debt | $ 12,633 | $ 11,588 |
Icahn Enterprises Holdings [Member] |  |  |
Debt | 12,633 | 11,588 |
Parent Company [Member] |  |  |
Debt | 5,490 | 5,486 |
Aggregate cash dividends paid to Parent by consolidated subsidiaries | $ 535 | 561 | $ 1,190
Parent Company [Member] | Icahn Enterprises Holdings [Member] |  |  |
Affiliate ownership interest | 99.00% |  |
Debt | $ 5,517 | 5,517 |
Aggregate cash dividends paid to Parent by consolidated subsidiaries | 535 | 561 | $ 1,190
5.875% senior unsecured notes due 2022 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] |  |  |
Debt | 1,339 | 1,337 |
5.875% senior unsecured notes due 2022 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] | Parent Company [Member] |  |  |
Debt | 1,339 | 1,337 |
5.875% senior unsecured notes due 2022 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] | Parent Company [Member] | Icahn Enterprises Holdings [Member] |  |  |
Debt | 1,339 | 1,337 |
3.50% senior unsecured notes due 2017 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] |  |  |
Debt | 1,173 | 1,171 |
3.50% senior unsecured notes due 2017 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] | Parent Company [Member] |  |  |
Debt | 1,173 | 1,171 |
3.50% senior unsecured notes due 2017 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] | Parent Company [Member] | Icahn Enterprises Holdings [Member] |  |  |
Debt | 1,173 | 1,171 |
6.00% senior unsecured notes due 2020 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] |  |  |
Debt | 1,707 | 1,708 |
6.00% senior unsecured notes due 2020 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] | Parent Company [Member] |  |  |
Debt | 1,707 | 1,708 |
6.00% senior unsecured notes due 2020 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] | Parent Company [Member] | Icahn Enterprises Holdings [Member] |  |  |
Debt | 1,707 | 1,708 |
4.875% senior unsecured notes due 2019 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] |  |  |
Debt | 1,271 | 1,270 |
4.875% senior unsecured notes due 2019 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] | Parent Company [Member] |  |  |
Debt | 1,271 | 1,270 |
4.875% senior unsecured notes due 2019 - Icahn Enterprises/Icahn Enterprises Holdings | Senior unsecured notes [Member] | Parent Company [Member] | Icahn Enterprises Holdings [Member] |  |  |
Debt | 1,271 | 1,270 |
Mortgages [Member] | Mortgages [Member] | Parent Company [Member] | Icahn Enterprises Holdings [Member] |  |  |
Debt | $ 27 | $ 31 |
Icahn Enterprises G.P. [Member] |  |  |
General partner ownership percentage in Icahn Enterprises | 1.00% |  | 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% |  |

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