Quarterly report pursuant to Section 13 or 15(d)

INCOME TAXES (Details)

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INCOME TAXES (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
INCOME TAXES        
Income tax expense $ 15 $ 30 $ 9 $ 113
Nonoperating Income        
INCOME TAXES        
Loss (gain) on fair value adjustments to Venator investment not subject to tax     100 90
Switzerland        
INCOME TAXES        
Decrease in net deferred tax assets       32
Decrease in noncash tax expense       32
HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES        
INCOME TAXES        
Income tax expense $ 15 $ 29 $ 9 $ 110