[Line Items] for Description of Business

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- Definition

Percentage of interest sold.

+ References

No definition available.

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- Definition

Disposal Group Not Discontinued Operation Gain Loss On Disposal Statement Of Income Extensible List Not Disclosed Flag

+ References

No definition available.

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- Definition

Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Aggregate Ownership interest of Parent and Holding Company Subsidiaries

+ References

No definition available.

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- Definition

Represents the number of approved therapies.

+ References

No definition available.

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- Definition

The number of product candidate in active clinical development.

+ References

No definition available.

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- Definition

The fair value of investment held in the subsidiary investment funds by the limited liability company or limited partnership.

+ References

No definition available.

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- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

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- Definition

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482130/360-10-45-5

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- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482987/272-10-50-3

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- Definition

Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

+ References

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- Definition

The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or sale of an entity that is related to it but not strictly controlled.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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- Definition

The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership.

+ References

No definition available.

+ Details

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Description of Business (Details) $ in Millions		3 Months Ended	12 Months Ended
Description of Business (Details) $ in Millions	Dec. 07, 2021	Dec. 31, 2021 USD ($)	Dec. 31, 2023 USD ($) product item	Dec. 31, 2022 USD ($)
Description of Business [Line Items]
Aggregate general partner ownership interest of parent and operating subsidiary			1.99%
Disposal Group Not Discontinued Operation Gain Loss On Disposal Statement Of Income Extensible List Not Disclosed Flag		true
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] \| PSC Metals
Description of Business [Line Items]
Percentage of interest sold	100.00%
Proceeds from sale of equity interests		$ 163
Pretax gain on disposition of assets		$ 323
Icahn Enterprises Holdings
Description of Business [Line Items]
Percentage of equity ownership in operating subsidiary			99.00%
Affiliate ownership interest			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]
General partner ownership percentage in Icahn Enterprises			1.00%
Aggregate general partner ownership interest of parent and operating subsidiary			1.99%
Affiliate ownership interest			98.01%
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			66.00%
Viskase \| Private Placement
Description of Business [Line Items]
Percentage of equity ownership in operating subsidiary			90.00%
Investment Funds
Description of Business [Line Items]
Fair value of investment in subsidiary			$ 3,200	$ 4,200
CVR Partners \| CVR Energy
Description of Business [Line Items]
Percentage of equity ownership in operating subsidiary			100.00%
CVR Energy \| Energy
Description of Business [Line Items]
Proceeds from partial sale of interests in consolidated subsidiaries			$ 158
Vivus \| Pharma
Description of Business [Line Items]
Number of approved therapies \| item			2
Number of product candidates in active clinical development \| product			2