Annual report pursuant to Section 13 and 15(d)

INVESTMENT IN UNCONSOLIDATED AFFILIATES - OWNERSHIP (Details)

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INVESTMENT IN UNCONSOLIDATED AFFILIATES - OWNERSHIP (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
INVESTMENT IN UNCONSOLIDATED AFFILIATES    
Total investments $ 535 $ 526
Venator Materials PLC    
INVESTMENT IN UNCONSOLIDATED AFFILIATES    
Total equity method investments $ 200 219
Ownership interest (as a percent) 49.00%  
BASF Huntsman Shanghai Isocyanate Investment BV    
INVESTMENT IN UNCONSOLIDATED AFFILIATES    
Total equity method investments $ 112 120
Ownership interest (as a percent) 50.00%  
BASF Huntsman Shanghai Isocyanate Investment BV | SLIC    
INVESTMENT IN UNCONSOLIDATED AFFILIATES    
Ownership interest held by equity method investee that creates an indirect ownership interest by the reporting entity (as a percent) 70.00%  
Indirect ownership interest in an unaffiliated entity (as a percent) 35.00%  
Nanjing Jinling Huntsman New Material Co., Ltd.    
INVESTMENT IN UNCONSOLIDATED AFFILIATES    
Total equity method investments $ 196 163
Ownership interest (as a percent) 49.00%  
Jurong Ningwu New Materials Development Co Ltd    
INVESTMENT IN UNCONSOLIDATED AFFILIATES    
Total equity method investments $ 27 $ 24
Ownership interest (as a percent) 30.00%