Annual report pursuant to Section 13 and 15(d)

INVESTMENT IN UNCONSOLIDATED AFFILIATES (Details)

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INVESTMENT IN UNCONSOLIDATED AFFILIATES (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
INVESTMENT IN UNCONSOLIDATED AFFILIATES    
Total equity method investments $ 526 $ 261
Total investments 526 266
Venator Materials PLC    
INVESTMENT IN UNCONSOLIDATED AFFILIATES    
Total equity method investments $ 219  
Ownership interest (as a percent) 49.00%  
BASF Huntsman Shanghai Isocyanate Investment BV    
INVESTMENT IN UNCONSOLIDATED AFFILIATES    
Total equity method investments $ 120 116
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 $ 163 124
Ownership interest (as a percent) 49.00%  
Jurong Ningwu New Materials Development Co Ltd    
INVESTMENT IN UNCONSOLIDATED AFFILIATES    
Total equity method investments $ 24 $ 21
Ownership interest (as a percent) 30.00%  
International Diol Company    
INVESTMENT IN UNCONSOLIDATED AFFILIATES    
Ownership percentage in cost method unconsolidated affiliates   4.00%
International Diol Company | International Diol Company    
INVESTMENT IN UNCONSOLIDATED AFFILIATES    
Cost Method Investments   $ 5