Note 16 - Stock-based Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

Share-Based Payment Arrangement, Cost by Plan [Table Text Block]

	Three months
	ended
	March 31,
	2023		2022
Huntsman Corporation compensation cost	$	9	$	10
Huntsman International compensation cost		8		8

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

						Weighted
				Weighted		average
				average		remaining		Aggregate
				exercise		contractual		intrinsic
Option awards	Shares			price		term		value
	(in thousands)					(years)		(in millions)
Outstanding at January 1, 2023		3,413		$	21.93
Exercised		(45	)		21.79
Forfeited		(10	)		29.72
Outstanding at March 31, 2023		3,358			21.91		4.3	$	20
Exercisable at March 31, 2023		3,270			21.76		4.2		20

Schedule of Nonvested Share Activity [Table Text Block]

	Equity awards						Liability awards
					Weighted					Weighted
					average					average
					grant-date					grant-date
	Shares				fair value		Shares			fair value
	(in thousands)						(in thousands)
Nonvested at January 1, 2023		1,802			$	35.15		257		$	31.61
Granted		945				36.54		114			30.83
Vested		(711	)	(1)(2)		27.28		(165	)		29.51
Forfeited		(22	)			37.53		(5	)		33.07
Nonvested at March 31, 2023		2,014				38.55		201			32.85