Annual report pursuant to Section 13 and 15(d)

DEBT - NOTES (Details)

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DEBT - NOTES (Details)
€ in Millions, $ in Millions
12 Months Ended
Dec. 31, 2018
EUR (€)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Debt      
Carrying amount of debt   $ 2,320 $ 2,298
HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES      
Debt      
Carrying amount of debt   $ 2,908 $ 3,140
2020 Senior Notes | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES      
Debt      
Interest rate (as a percent) 4.875% 4.875%  
Principal Outstanding   $ 650  
Carrying amount of debt   648  
Unamortized Discounts and Debt Issuance Costs   $ (2)  
2021 Senior Notes | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES      
Debt      
Interest rate (as a percent) 5.125% 5.125%  
Principal Outstanding | € € 445    
Carrying amount of debt € 444 $ 507  
2022 Senior Notes | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES      
Debt      
Interest rate (as a percent) 5.125% 5.125%  
Principal Outstanding   $ 400  
Carrying amount of debt   398  
Unamortized Discounts and Debt Issuance Costs   $ (2)  
2025 Senior Notes | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES      
Debt      
Interest rate (as a percent) 4.25% 4.25%  
Principal Outstanding | € € 300    
Carrying amount of debt € 298 $ 339  
Unamortized Discounts and Debt Issuance Costs   $ (3)  
Debt Instrument Redemption Period Upon Occurrence Certain Change Of Control Events | Senior notes | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES      
Debt      
Percentage of principal amount at which the entity may redeem some or all of the notes 101.00%