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Subsequent Events (Details) $ / shares in Units, $ in Millions					1 Months Ended	3 Months Ended	6 Months Ended
	Sep. 19, 2025 D	Aug. 01, 2025 $ / shares	May 05, 2025 $ / shares	Feb. 24, 2025 $ / shares	Jul. 31, 2025 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2025 USD ($)
Subsequent Events
Distribution declared per LP unit | $ / shares			$ 0.5	$ 0.5
Total cash paid							$ 32
Subsequent event
Subsequent Events
Distribution declared per LP unit | $ / shares		$ 0.5
Threshold number of specified trading days | D	5
9.000% senior notes due 2030 | Subsequent event
Subsequent Events
Aggregate principal amount					$ 15
Interest rate on debt instrument (in percent)					9.00%
Total cash paid					$ 14
Senior secured term loan | Subsequent event
Subsequent Events
Principal amount repaid					$ 20
Investment in funds | Mr. Icahn and affiliates
Subsequent Events
Amount redeemed in accordance with manager agreement						$ 0	$ 0

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- Definition

The cash outflow to repurchase long term senior debt that is not secured by collateral

+ References

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- Definition

The amount redeemed by the related party under the manager agreement.

+ References

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- Definition

Threshold number of specified trading days that common stock price to for unitholder distribution under tender offer must exceed threshold percentage within a specified consecutive trading period.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(1))
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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-Publisher FASB
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- Definition

Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
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