Huntsman Corporation Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Restructuring, Impairment and Plant Closing Costs (Details Textual) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Employee Severance [Member] \| Corporate and Other [Member]
Restructuring Charges, Total		$ 15
Restructuring and Related Cost, Expected Cost, Total		2
Employee Severance [Member] \| Polyurethanes [Member]
Restructuring Charges, Total		6
Employee Severance [Member] \| Polyurethanes [Member] \| Minimum [Member]
Restructuring and Related Cost, Expected Cost, Total		12
Employee Severance [Member] \| Polyurethanes [Member] \| Maximum [Member]
Restructuring and Related Cost, Expected Cost, Total		$ 14
Employee Severance [Member] \| Performance Products [Member]
Restructuring Charges, Total	$ 4		$ 10
Employee Severance [Member] \| Advanced Materials [Member]
Restructuring Charges, Total	4
Reorganization of Business to Better Position for Efficiencies and Growth [Member] \| Polyurethanes [Member]
Restructuring Charges, Total	$ 2