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, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
INCOME TAXES        
Discrete tax benefit related to excess tax benefits from share-based compensation     $ 4  
Income tax expense (benefit) $ 30 $ 16 $ 113 $ 41
Effective tax rate (as a percent)     41.00%  
Switzerland        
INCOME TAXES        
Decrease in net deferred tax assets     $ 32  
Decrease in noncash tax expense     32  
Netherlands | Nonoperating Income        
INCOME TAXES        
Losses on fair value adjustments to Venator investment not subject to tax     90  
HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES        
INCOME TAXES        
Income tax expense (benefit) $ 29 $ 15 $ 110 $ 38
Effective tax rate (as a percent)     42.00%