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v3.23.3

Note 5 - Variable Interest Entities (Details Textual) | 9 Months Ended
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Sep. 30, 2023
Rubicon LLC [Member] |
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage | 50.00%
Arabian Amines Company [Member] |
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage | 50.00%

X
- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481203/810-10-50-5A + Details
Name: | us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_ConsolidatedEntitiesAxis=hun_RubiconLlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=hun_ArabianAminesCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |