v3.26.1

Fair Value Measurements - Recurring Basis (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Beginning Balance	$ 41	$ 41
Transfer out of Level 3	(38)
Ending Balance	$ 3	$ 41
Enzon Series C Preferred Stock
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Stock shares converted	39,277
Preferred stock, par value	$ 0.01

The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy.

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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ICAHN ENTERPRISES L.P. 10-Q