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Note 7 - Restructuring, Impairment and Plant Closing Costs (Tables)

6 Months Ended

Jun. 30, 2026

Notes Tables

Schedule of Restructuring Reserve by Type of Cost [Table Text Block]

										Other
		Workforce				Contract				restructuring
		reductions				terminations				costs				Total
Accrued liabilities as of January 1, 2026		$	41			$	4			$	—			$	45
Charges, net			9				—				2				11
Payments			(26	)			—				(2	)			(28	)
Accrued liabilities as of June 30, 2026		$	24			$	4			$	—			$	28

Schedule of Restructuring Reserve By Type of Cost and Segment [Table Text Block]

						Performance				Advanced
		Polyurethanes				Products				Materials				Total
Accrued liabilities as of January 1, 2026		$	37			$	5			$	3			$	45
Charges, net			5				1				5				11
Payments			(24	)			(2	)			(2	)			(28	)
Accrued liabilities as of June 30, 2026		$	18			$	4			$	6			$	28
Current portion of restructuring reserves		$	18			$	4			$	6			$	28
Long-term portion of restructuring reserves			—				—				—				—

Schedule of Cash and Noncash Restructuring Charges By Type of Initiative [Table Text Block]

		Three months ended								Six months ended
		June 30,								June 30,
		2026				2025				2026				2025
Cash charges, net		$	6			$	43			$	11			$	43
Noncash charges:
Impairment of assets			—				77				—				77
Accelerated depreciation			2				4				3				6
Other noncash charges (credits), net			1				—				1				(1	)
Total restructuring, impairment and plant closing costs		$	9			$	124			$	15			$	125

X

- Definition

Tabular disclosure of the entity's cash and non-cash restructuring charges by initiative type.

+ References

No definition available.

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X

- Definition

Tabular disclosure of the entity's restructuring reserve with respect to restructuring, impairment and plant closing costs, provided by segment and initiative type.

+ References

No definition available.

+ Details

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Namespace Prefix:	hun_
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X

- Definition

Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482017/420-10-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4.b.2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2

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- References

No definition available.

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