Annual report pursuant to Section 13 and 15(d)

Schedule I - Condensed Financial Information of Registrant - Huntsman Corporation (Parent Only) Statements of Operations (Details)

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Schedule I - Condensed Financial Information of Registrant - Huntsman Corporation (Parent Only) Statements of Operations (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Selling, general and administrative expenses $ (775) $ (786) $ (789)
Interest income (86) (111) (115)
Equity in income of subsidiaries 42 54 55
Other income 36 20 32
Net (loss) income 1,034 562 337
Parent Company [Member] | Reportable Legal Entities [Member]      
Selling, general and administrative expenses (6) (5) (4)
Interest income 2 15 21
Equity in income of subsidiaries 892 401 163
Dividend income—affiliate 144 148 154
Other income 2 3 3
Net (loss) income $ 1,034 $ 562 $ 337