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Note 8 - Debt - Notes Outstanding (Details) - Huntsman International LLC [Member] $ in Millions | Jun. 30, 2026 USD ($)
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Senior Notes Maturing May 2029 [Member] |
Principal outstanding | $ 750
Unamortized premiums, discounts and debt issuance costs | $ 5
Debt Instrument, Interest Rate, Stated Percentage | 4.50%
Senior Notes Maturing June 2031 [Member] |
Principal outstanding | $ 400
Unamortized premiums, discounts and debt issuance costs | $ 2
Debt Instrument, Interest Rate, Stated Percentage | 2.95%
Senior Note Maturing in October 2034 [Member] |
Principal outstanding | $ 350
Unamortized premiums, discounts and debt issuance costs | $ 4
Debt Instrument, Interest Rate, Stated Percentage | 5.70%

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-4 + Details
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