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

Note 6 - Restructuring, Impairment and Plant Closing Costs (Details Textual) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Restructuring Charges (Credits)	$ (7)	$ 0
Employee Severance [Member]
Restructuring Charges (Credits)	(10)
Employee Severance [Member] \| Corporate and Other [Member]
Restructuring and Related Cost, Expected Cost	1
Employee Severance [Member] \| Polyurethanes [Member]
Restructuring and Related Cost, Expected Cost	1
Restructuring Charges	2
Employee Severance [Member] \| Restructuring Programs to Optimize Managed Services and Align and Optimize Processes and Systems [Member]
Restructuring Charges (Credits)	(8)
Restructuring and Related Cost, Expected Cost	7
Employee Severance [Member] \| Restructuring Program to Optimize Leveraging Shared Services Capabilities [Member] \| Corporate and Other [Member]
Restructuring Charges (Credits)	(5)
Site Closure [Member] \| Advanced Materials [Member]
Restructuring and Related Cost, Expected Cost	1
Restructuring Charges	$ 2