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 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
INCOME TAXES        
Discrete tax benefit related to excess tax benefits from share-based compensation     $ 4  
Fair value adjustments to Venator investment $ (18)   58  
Income tax expense (benefit) 50 $ 4 $ 102 $ 57
Effective tax rate (as a percent)     29.00%  
Switzerland        
INCOME TAXES        
Decrease in net deferred tax assets     $ 32  
Decrease in noncash tax expense     32  
HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES        
INCOME TAXES        
Fair value adjustments to Venator investment (18)   58  
Income tax expense (benefit) $ 49 $ 3 $ 100 $ 55
Effective tax rate (as a percent)     29.00%