Annual report pursuant to Section 13 and 15(d)

Note 7 - Investment in Unconsolidated Affiliates - Investment in Unconsolidated Affiliates (Details) (Parentheticals)

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Note 7 - Investment in Unconsolidated Affiliates - Investment in Unconsolidated Affiliates (Details) (Parentheticals)
Dec. 31, 2021
Dec. 31, 2020
BASF Huntsman Shanghai Isocyanate Investment BV [Member]    
Equity Method Investment, Ownership Percentage 50.00% 50.00%
Nanjing Jinling Huntsman New Material Co., Ltd. [Member]    
Equity Method Investment, Ownership Percentage 49.00% 49.00%
Jurong Ningwu New Material Development Co., Ltd. [Member]    
Equity Method Investment, Ownership Percentage 30.00% 30.00%
KPX Huntsman Polyurethanes Automotive Co., Ltd. [Member]    
Equity Method Investment, Ownership Percentage 50.00%