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Note 20 - Operating Segment Information (Details Textual) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2026 USD ($)		Jun. 30, 2025 USD ($)	Mar. 31, 2025 USD ($)	Jun. 30, 2026 USD ($)		Jun. 30, 2025 USD ($)
Number of Reportable Segments					3
Gain (Loss) on Disposition of Business	$ 22	[1]	$ (0)		$ 22	[1]	$ (0)
Gain (Loss) from Litigation Settlement	$ (0)		$ (0)		$ (0)		$ 33
Praxair/Linde [Member]
Gain (Loss) from Litigation Settlement				$ 33
[1] Gain on sale of business/assets, net includes $22 million related to the gain on sale of our Gomet business. See “Note 1. General—Recent Developments—Sale of Huntsman Gomet Business.”

X

- Definition

Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

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