Annual report pursuant to Section 13 and 15(d)

DEBT - INTERCOMPANY NOTES AND OTHER (Details)

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DEBT - INTERCOMPANY NOTES AND OTHER (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Debt    
Loan to subsidiary $ 380  
HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES    
Debt    
Notes payable to affiliates-current $ 100 $ 100
HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES | U.S. A/R Program    
Debt    
Reduction in applicable margin on borrowings (as a percent) 0.10%  
Maximum | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES | U.S. A/R Program    
Debt    
Reduction in applicable margin on borrowings (as a percent) 0.25%