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

Note 22 - Huntsman Corporation Stockholders' Equity (Details Textual) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		12 Months Ended
	Jan. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Oct. 26, 2021
Treasury Stock, Value, Acquired, Cost Method				$ 203	$ 96	$ 208
Subsequent Event [Member]
Treasury Stock, Shares, Acquired (in shares)	851,000
Treasury Stock, Value, Acquired, Cost Method	$ 31
Share Repurchase Program 2021 [Member]
Stock Repurchase Program, Authorized Amount							$ 1,000
Treasury Stock, Shares, Acquired (in shares)		3,082,614
Treasury Stock, Value, Acquired, Cost Method		$ 101
Share Repurchase Program 2018 [Member]
Treasury Stock, Shares, Acquired (in shares)			3,971,784
Treasury Stock, Value, Acquired, Cost Method			$ 102