Aggregate cash distributions to depositary unit holders.

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- Definition

Earnings Per LP Unit [Line Items]

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- Definition

Potential aggregate sales proceeds from equity offering.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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- Definition

Amount of equity impact of cash distribution declared to unit-holder of limited partnership (LP).

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- Definition

Per unit of ownership amount of cash distributions declared to unit-holder of a limited partnership (LP).

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Number of units distributed for payment of a unit distribution to unit-holder of limited partnership (LP).

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Per unit of ownership amount after tax of income (loss) from continuing operations available to limited partnership (LP) unit-holder and units that would have been outstanding assuming the issuance of limited partner units for dilutive potential units outstanding.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Aggregate amount of net income allocated to limited partners.

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Per unit of ownership amount after tax of income (loss) available to outstanding limited partnership (LP) unit-holder.

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Total units issued during the year due to the sale of units. All partners include general, limited and preferred partners.

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The proceeds from the sale of an interest in a unit of partnership.

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Weighted average number of limited partnership units outstanding determined by relating the portion of time within a reporting period that limited partnership units have been outstanding to the total time in that period.

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Net Income Per LP Unit (Details) - USD ($) $ / shares in Units, $ in Millions					3 Months Ended
	Apr. 29, 2021	Feb. 26, 2021	Feb. 24, 2021	May 02, 2019	Mar. 31, 2021	Mar. 31, 2020
Earnings Per LP Unit [Line Items]
Net income (loss) attributable to shareholders					$ 162	$ (1,384)
Net income (loss) attributable to Icahn Enterprises allocated to limited partners (98.01% allocation)					$ 159	$ (1,356)
Basic income (loss) per LP unit
Basic income (loss) per LP unit					$ 0.66	$ (6.34)
Basic weighted average LP units outstanding					242,000,000	214,000,000
Diluted income (loss) per LP unit
Diluted income (loss) per LP unit					$ 0.65	$ (6.34)
Diluted weighted average LP units outstanding					245,000,000	214,000,000
Weighted average units ecluded from EPS calculation						4,000,000
Potential aggregate sales proceeds from equity offering		$ 400		$ 400	$ 216
LP units sold					3,109,345	107,131
Proceeds from sale of LP units					$ 184	$ 7
Limited partners
Diluted income (loss) per LP unit
Distribution declared per LP unit			$ 2.00
Declared unit distribution liability			$ 489
LP units distributed	8,044,900
Aggregate cash distributions to depositary unitholders	$ 27
Limited partners \| Mr. Icahn and affiliates
Diluted income (loss) per LP unit
LP units distributed	7,717,918