Annual report pursuant to Section 13 and 15(d)

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

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Note 7 - Investment in Unconsolidated Affiliates - Investment in Unconsolidated Affiliates (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Total equity method investments $ 346 $ 438
BASF Huntsman Shanghai Isocyanate Investment BV [Member]    
Total equity method investments 31 98
Nanjing Jinling Huntsman New Material Co., Ltd. [Member]    
Total equity method investments 282 304
Jurong Ningwu New Material Development Co., Ltd. [Member]    
Total equity method investments 30 33
KPX Huntsman Polyurethanes Automotive Co., Ltd. [Member]    
Total equity method investments $ 3 $ 3