Note 14 - Accumulated Other Comprehensive Loss (Details Textual) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|---|---|
| AOCI Tax, Attributable to Parent, Foreign Currency Translation Adjustments | $ 52 | $ 52 | $ 57 | $ 60 |
| AOCI Tax, Attributable to Parent, Pension and Other Postretirement Benefit Adjustments | 49 | 50 | 61 | 61 |
| Huntsman International LLC [Member] | ||||
| AOCI Tax, Attributable to Parent, Foreign Currency Translation Adjustments | 38 | 39 | 44 | 47 |
| AOCI Tax, Attributable to Parent, Pension and Other Postretirement Benefit Adjustments | $ 73 | $ 74 | $ 85 | $ 85 |
| X | ||||||||||
- Definition Amount of tax expense (benefit) allocated to accumulated other comprehensive income (loss) from foreign currency translation adjustments attributable to parent. No definition available.
|
| X | ||||||||||
- Definition Amount of tax expense (benefit) allocated to accumulated other comprehensive income (loss) from pension and other postretirement benefit adjustments attributable to parent. No definition available.
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| X | ||||||||||
- Details
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