Quarterly report pursuant to Section 13 or 15(d)

DEBT - CREDIT FACILITIES (Details)

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DEBT - CREDIT FACILITIES (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
May 21, 2018
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Apr. 23, 2018
Debt            
Loss on early extinguishment of debt     $ 35 $ 3 $ 36  
HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES            
Debt            
Loss on early extinguishment of debt     $ 35 3 $ 36  
2018 Revolving Credit Facility | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES            
Debt            
Maximum revolving credit facility $ 1,200 $ 1,200   1,200    
Optional increase to committed amount of facility 500          
Principal Outstanding   175   175    
Carrying value   175   175    
Amount of letter of credit and bank guarantees issued and outstanding   9   $ 9    
Principal amount of debt 275          
Repayment of debt   50        
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          
U.S. A/R Program Maturing April 2020 | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES            
Debt            
Amount of letter of credit and bank guarantees issued and outstanding   $ 5   $ 5    
Demilec | 2018 Revolving Credit Facility            
Debt            
Principal amount of debt           $ 275
Demilec | Prior Credit Facility            
Debt            
Maximum revolving credit facility           650
Demilec | U.S. A/R Program Maturing April 2020            
Debt            
Principal amount of debt           $ 75