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Subsidiary Indemnity Agreement, Pension Funding Contingencies As A Result of Being In The Controlled Group, Distribution Limitation, Net Worth Floor

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Total costs accrued as of the balance sheet date for environmental loss contingencies.

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Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Jan. 31, 2023
Commitments and Contingencies
Environmental loss contingency accrual	$ 4		$ 3
Minimum Carbon Dioxide Supply				$ 15
Maximum fee payable				$ 45
Energy
Commitments and Contingencies
Expense (benefit)	123	$ 51
RFS position	438		$ 323
Insurance policies coverage limits	$ 50
Icahn Enterprises G.P. \| Mr. Icahn and affiliates
Commitments and Contingencies
Affiliate ownership in parent company general partner	100.00%
Icahn Enterprises Holdings \| Mr. Icahn and affiliates
Commitments and Contingencies
Affiliate ownership interest	86.00%
Minimum \| Mr. Icahn and affiliates
Commitments and Contingencies
Affiliate ownership interest	80.00%
Starfire Holding Corporation
Commitments and Contingencies
Ownership percentage by principal owner	99.60%
Pension funding indemnity agreement with subsidiary	$ 250
ACF
Commitments and Contingencies
Funded status of related party pension plan	$ 21
ACF \| Minimum \| Icahn Enterprises Holdings
Commitments and Contingencies
Ownership percentage by principal owner	80.00%