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Note 1 - General (Details Textual) € in Millions, $ in Millions |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
Jun. 15, 2026 | Jun. 05, 2026 USD ($) | Jun. 05, 2026 EUR (€) | Jun. 30, 2026 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2026 USD ($) | Jun. 30, 2025 USD ($)
Number of Operating Segments |  |  |  |  |  |  | 3 |  |
Gain (Loss) on Disposition of Business |  |  |  | $ 22 | [1] | $ (0) | $ 22 | [1] | $ (0)
Gomet [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] |  |  |  |  |  |  |  |  |
Proceeds from Sales of Business, Affiliate and Productive Assets |  | $ 50 | € 43 |  |  |  |  |  |
Gain (Loss) on Disposition of Business |  |  |  | $ 22 |  |  |  |  |
Goodwill, Divestiture |  | $ 4 |  |  |  |  |  |  |
Merger with Olin Corporation [Member] |  |  |  |  |  |  |  |  |
Business Combination, Share Transfer Ratio | 0.5476 |  |  |  |  |  |  |  |
Merger with Olin Corporation [Member] | Huntsman [Member] |  |  |  |  |  |  |  |  |
Ownership Percentage | 45.50% |  |  |  |  |  |  |  |
Merger with Olin Corporation [Member] | Olin Corporation [Member] |  |  |  |  |  |  |  |  |
Ownership Percentage | 54.50% |  |  |  |  |  |  |  |
[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.”

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