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

Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Restructuring, Impairment and Plant Closing Costs - Reserves for Restructuring, Impairment and Plant Closing Costs By Segment and Initiative (Details)

Note 7 - Restructuring, Impairment and Plant Closing Costs - Reserves for Restructuring, Impairment and Plant Closing Costs By Segment and Initiative (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Accrued liabilities, beginning balance	$ 31
Accrued liabilities, ending balance	34
Current portion of restructuring reserves	23
Long-term portion of restructuring reserves	11
Initiatives 2020 and Prior [Member]
Restructuring Charges, Total	18	$ 3
Restructuring payments	(16)
Initiatives 2021 [Member]
Restructuring Charges, Total	2
Restructuring payments	(1)
Corporate and Reconciling Items [Member]
Accrued liabilities, ending balance	12
Current portion of restructuring reserves	5
Long-term portion of restructuring reserves	7
Corporate and Reconciling Items [Member] \| Initiatives 2020 and Prior [Member]
Restructuring Charges, Total	15
Restructuring payments	(3)
Polyurethanes [Member] \| Operating Segments [Member]
Accrued liabilities, beginning balance	12
Accrued liabilities, ending balance	11
Current portion of restructuring reserves	11
Polyurethanes [Member] \| Operating Segments [Member] \| Initiatives 2020 and Prior [Member]
Restructuring Charges, Total	5
Restructuring payments	(6)
Performance Products [Member] \| Operating Segments [Member]
Accrued liabilities, beginning balance	2
Accrued liabilities, ending balance	1
Current portion of restructuring reserves	1
Performance Products [Member] \| Operating Segments [Member] \| Initiatives 2020 and Prior [Member]
Restructuring Charges, Total	1
Restructuring payments	(2)
Advanced Materials [Member] \| Operating Segments [Member]
Accrued liabilities, beginning balance	9
Accrued liabilities, ending balance	5
Current portion of restructuring reserves	4
Long-term portion of restructuring reserves	1
Advanced Materials [Member] \| Operating Segments [Member] \| Initiatives 2020 and Prior [Member]
Restructuring Charges, Total	(3)
Restructuring payments	(2)
Advanced Materials [Member] \| Operating Segments [Member] \| Initiatives 2021 [Member]
Restructuring Charges, Total	2
Restructuring payments	(1)
Textile Effects [Member] \| Operating Segments [Member]
Accrued liabilities, beginning balance	8
Accrued liabilities, ending balance	5
Current portion of restructuring reserves	2
Long-term portion of restructuring reserves	3
Textile Effects [Member] \| Operating Segments [Member] \| Initiatives 2020 and Prior [Member]
Restructuring payments	$ (3)