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v3.25.3

Description of Business (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2025 USD ($) item shares | Aug. 31, 2025 USD ($) | Mar. 31, 2025 USD ($) shares | Sep. 30, 2025 USD ($) item | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) item shares | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Description of Business [Line Items] |  |  |  |  |  |  |  |
Pre-tax gain on disposition of assets |  |  |  | $ 218 | $ (1) | $ 262 | $ (6) |
Energy |  |  |  |  |  |  |  |
Description of Business [Line Items] |  |  |  |  |  |  |  |
Pre-tax gain on disposition of assets |  |  |  | (4) |  | (4) | $ (1) |
Real Estate Segment |  |  |  |  |  |  |  |
Description of Business [Line Items] |  |  |  |  |  |  |  |
Pre-tax gain on disposition of assets |  | $ 223 |  | 223 |  | $ 271 |  |
Real Estate Segment | TEB LLC |  |  |  |  |  |  |  |
Description of Business [Line Items] |  |  |  |  |  |  |  |
Total consideration |  | $ 247 |  |  |  |  |  |
Icahn Enterprises Holdings |  |  |  |  |  |  |  |
Description of Business [Line Items] |  |  |  |  |  |  |  |
Percentage of equity ownership in operating subsidiary |  |  |  |  |  | 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] |  |  |  |  |  |  |  |
Aggregate general partner ownership interest of parent and operating subsidiary |  |  |  |  |  | 1.99% |  |
CVR Refining |  |  |  |  |  |  |  |
Description of Business [Line Items] |  |  |  |  |  |  |  |
Percentage of equity ownership in operating subsidiary |  |  |  |  |  | 37.00% |  |
CVR Energy | Energy |  |  |  |  |  |  |  |
Description of Business [Line Items] |  |  |  |  |  |  |  |
Percentage of equity ownership in operating subsidiary |  |  |  |  |  | 70.00% |  |
Viskase | Private Placement |  |  |  |  |  |  |  |
Description of Business [Line Items] |  |  |  |  |  |  |  |
Percentage of equity ownership in operating subsidiary |  |  |  |  |  | 92.00% |  |
Additional common stock (in shares) | shares | 7,042,254 |  | 7,142,858 |  |  |  |  |
Additional common stock value | $ 5 |  | $ 15 |  |  |  |  |
CVR Partners | Energy |  |  |  |  |  |  |  |
Description of Business [Line Items] |  |  |  |  |  |  |  |
Percentage of equity ownership in operating subsidiary |  |  |  |  |  | 3.00% |  |
Investment Funds |  |  |  |  |  |  |  |
Description of Business [Line Items] |  |  |  |  |  |  |  |
Fair value of investment in subsidiary | $ 2,400 |  |  | $ 2,400 |  | $ 2,400 |  | $ 2,700
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 | item |  |  |  |  |  | 2 |  |
Number of product candidates | item | 2 |  |  | 2 |  | 2 |  |
CVR Energy |  |  |  |  |  |  |  |
Description of Business [Line Items] |  |  |  |  |  |  |  |
Purchase of additional interests in consolidated subsidiaries |  |  |  |  |  | $ 65 |  |
Number of shares acquired | shares |  |  |  |  |  | 3,726,090 |  |
CVR Partners |  |  |  |  |  |  |  |
Description of Business [Line Items] |  |  |  |  |  |  |  |
Number of partnership units acquired | shares |  |  |  |  |  | 98,082 |  |
Purchase price |  |  |  |  |  | $ 7 |  |

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