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
Mar. 31, 2019
Mar. 31, 2018
INCOME TAXES    
Discrete tax benefit related to excess tax benefits from share-based compensation $ 4  
Unrealized gains on fair value adjustments to Venator investment 76  
Income tax expense (benefit) $ 52 $ 53
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    
Unrealized gains on fair value adjustments to Venator investment 76  
Income tax expense (benefit) $ 51 $ 52
Effective tax rate (as a percent) 29.00%