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Description of Business (Details) $ in Billions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 USD ($) product item country | Dec. 31, 2023 USD ($)
Description of Business [Line Items] |  |
Aggregate general partner ownership interest of parent and operating subsidiary | 1.99% |
Number of Country Clubs Operated | country | 2 |
Icahn Enterprises Holdings |  |
Description of Business [Line Items] |  |
Percentage of equity ownership in operating subsidiary | 99.00% |
Affiliate ownership interest | 99.00% |
Icahn Enterprises Holdings | Icahn Enterprises G.P. |  |
Description of Business [Line Items] |  |
General partner ownership percentage in Icahn Enterprises | 1.00% |
Icahn Enterprises Holdings | Mr. Icahn and affiliates |  |
Description of Business [Line Items] |  |
Affiliate ownership interest | 86.00% |
Icahn Enterprises G.P. |  |
Description of Business [Line Items] |  |
General partner ownership percentage in Icahn Enterprises | 1.00% |
Aggregate general partner ownership interest of parent and operating subsidiary | 1.99% |
Affiliate ownership interest | 98.01% |
CVR Refining |  |
Description of Business [Line Items] |  |
Percentage of equity ownership in operating subsidiary | 37.00% |
CVR Refining | Energy |  |
Description of Business [Line Items] |  |
Percentage of equity ownership in operating subsidiary | 2.00% |
CVR Energy | Energy |  |
Description of Business [Line Items] |  |
Percentage of equity ownership in operating subsidiary | 66.00% |
Viskase | Private Placement |  |
Description of Business [Line Items] |  |
Percentage of equity ownership in operating subsidiary | 91.00% |
CVR Partners | Energy |  |
Description of Business [Line Items] |  |
Percentage of equity ownership in operating subsidiary | 2.00% |
Investment Funds |  |
Description of Business [Line Items] |  |
Fair value of investment in subsidiary | $ | $ 2.7 | $ 3.2
CVR Partners | CVR Energy |  |
Description of Business [Line Items] |  |
Percentage of equity ownership in operating subsidiary | 100.00% |
Vivus | Pharma |  |
Description of Business [Line Items] |  |
Number of approved therapies | item | 2 |
Number of product candidates in active clinical development | 2 |
Number of product candidates | 2 |

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