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Debt Narrative (Details) € in Millions, $ in Millions |  |  | 3 Months Ended |
--- | --- | --- | --- | ---
Mar. 30, 2017 USD ($) | Jan. 18, 2017 USD ($) | Mar. 31, 2017 USD ($) | Mar. 30, 2017 EUR (€)
Automotive Segment |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Loss on extinguishment of debt |  |  | $ (2) |
6.25% senior unsecured notes due 2022 - Icahn Enterprises/Icahn Enterprises Holdings | Holding Company |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt face amount |  | $ 695 |  |
Interest rate on debt |  | 6.25% |  |
6.75% senior unsecured notes due 2024 - Icahn Enterprises/Icahn Enterprises Holdings | Holding Company |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt face amount |  | $ 500 |  |
Interest rate on debt |  | 6.75% |  |
New 2022 and 2024 Notes | Holding Company |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Proceeds from issuance of debt |  | $ 1,190 |  |
Federal-Mogul 2022 Notes | Automotive Segment |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt face amount | € |  |  |  | € 415
Interest rate on debt |  |  |  | 4.875%
Federal-Mogul 2024 Notes | Automotive Segment |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt face amount | € |  |  |  | € 300
Federal-Mogul 2022 and 2024 Notes | Automotive Segment |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Proceeds from issuance of debt | $ 776 |  |  |

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