Note 3 - Business Combinations and Acquisitions - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
Jan. 31, 2024 |
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|---|---|---|---|---|---|
| Inventories | [1] | $ 885 | $ 818 | ||
| Property, plant and equipment | [1] | 2,441 | 2,486 | ||
| Other long-term assets | [1] | 816 | 804 | ||
| Deferred income taxes | 47 | 49 | |||
| Operating lease right-of-use assets | 403 | 365 | |||
| Noncurrent operating lease liabilities | [1] | (374) | (333) | ||
| Total | $ 7,131 | $ 7,015 | |||
| Shanghai Lianheng Isocyanate Company Ltd. (“SLIC”) [Member] | |||||
| Accounts Receivable, after Allowance for Credit Loss | $ 20 | ||||
| Inventories | 10 | ||||
| Property, plant and equipment | 231 | ||||
| Other long-term assets | 24 | ||||
| Deferred income taxes | 1 | ||||
| Operating lease right-of-use assets | 3 | ||||
| Noncurrent operating lease liabilities | (3) | ||||
| Total | $ 286 | ||||
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| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of noncurrent assets classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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