Huntsman Corporation Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Note 20 - Income Taxes - Tax Years Open to Examination (Details)

Note 20 - Income Taxes - Tax Years Open to Examination (Details)	12 Months Ended
	Dec. 31, 2020
Foreign Tax Authority [Member] \| Administration of the Treasury, Belgium [Member]
Income tax years subject to examination	2018 2019 2020
Foreign Tax Authority [Member] \| State Administration of Taxation, China [Member]
Income tax years subject to examination	2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
Foreign Tax Authority [Member] \| Ministry of the Economy, Finance and Industry, France [Member]
Income tax years subject to examination	2018 2019 2020
Foreign Tax Authority [Member] \| Federal Ministry of Finance, Germany [Member]
Income tax years subject to examination	2016 2017 2018 2019 2020
Foreign Tax Authority [Member] \| Inland Revenue, Hong Kong [Member]
Income tax years subject to examination	2014 2015 2016 2017 2018 2019 2020
Foreign Tax Authority [Member] \| Ministry of Finance, India [Member]
Income tax years subject to examination	2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
Foreign Tax Authority [Member] \| Ministry of Economic Affairs and Finance, Italy [Member]
Income tax years subject to examination	2015 2016 2017 2018 2019
Foreign Tax Authority [Member] \| National Tax Agency, Japan [Member]
Income tax years subject to examination	2017 2018 2019 2020
Foreign Tax Authority [Member] \| Mexican Tax Authority [Member]
Income tax years subject to examination	2014 2015 2016 2017 2018 2019
Foreign Tax Authority [Member] \| Tax Authority, Spain [Member]
Income tax years subject to examination	2013 2014 2015 2016 2017 2018 2019 2020
Foreign Tax Authority [Member] \| Swiss Federal Tax Administration (FTA) [Member]
Income tax years subject to examination	2014 2015 2016 2017 2018 2019 2020
Foreign Tax Authority [Member] \| Tax and Customs Administration, Netherlands [Member]
Income tax years subject to examination	2016 2017 2018 2019
Foreign Tax Authority [Member] \| Revenue Department of the Ministry of Finance, Thailand [Member]
Income tax years subject to examination	2013 2014 2015 2016 2017 2018 2019
Foreign Tax Authority [Member] \| Her Majesty's Revenue and Customs (HMRC) [Member]
Income tax years subject to examination	2017 2018 2019
Domestic Tax Authority [Member] \| Internal Revenue Service (IRS) [Member]
Income tax years subject to examination	2017 2018 2019