Annual report pursuant to Section 13 and 15(d)

DEBT - CREDIT FACILITIES (Details)

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DEBT - CREDIT FACILITIES (Details) - USD ($)
$ in Millions
7 Months Ended 12 Months Ended
May 21, 2018
Apr. 23, 2018
Dec. 31, 2018
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Debt            
Loss on early extinguishment of debt       $ 3 $ 54 $ 3
HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES            
Debt            
Loss on early extinguishment of debt       3 $ 54 $ 3
2018 Revolving Credit Facility | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES            
Debt            
Optional increase to committed amount of facility       500    
Committed Amount     $ 1,200 1,200    
Principal Outstanding     50 50    
Carrying value     50 50    
Amount of letter of credit and bank guarantees issued and outstanding     9 $ 9    
Proceeds from borrowings $ 275          
Repayment of debt     $ 225      
2018 Revolving Credit Facility | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES | LIBOR            
Debt            
Basis spread (as a percent)       1.75%    
Prior Credit Facility | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES            
Debt            
Loss on early extinguishment of debt 3          
Repayment of debt $ 275          
Demilec | Prior Credit Facility | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES            
Debt            
Proceeds from borrowings   $ 275        
Demilec | U.S. A/R Program | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES            
Debt            
Proceeds from borrowings   $ 75