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

Note 18 - Employee Benefit Plans - Periodic Benefit Cost and Other Comprehensive Income (Loss) (Details)

Note 18 - Employee Benefit Plans - Periodic Benefit Cost and Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Pension Plan [Member] \| UNITED STATES
Current year actuarial (gain) loss	$ (14)	$ (3)	$ (28)
Amortization of actuarial loss	(4)	0	(20)
Current year prior service (credit) cost	0	0	0
Amortization of prior service credit	2	2	2
Settlements	0	0	(5)
Total recognized in other comprehensive income (loss)	(16)	(1)	(51)
Amounts related to discontinued operations	0	(1)	2
Total recognized in other comprehensive income (loss) in continuing operations	(16)	(2)	(49)
Net periodic benefit (credit) cost	(2)	(4)	12
Total recognized in net periodic benefit cost and other comprehensive income (loss)	(18)	(6)	(37)
Pension Plan [Member] \| Foreign Plan [Member]
Current year actuarial (gain) loss	(72)	135	(115)
Amortization of actuarial loss	(29)	(32)	(36)
Current year prior service (credit) cost	0	0	(3)
Amortization of prior service credit	4	4	5
Settlements	(6)	(5)	0
Total recognized in other comprehensive income (loss)	(103)	102	(149)
Amounts related to discontinued operations	0	0	57
Total recognized in other comprehensive income (loss) in continuing operations	(103)	102	(92)
Net periodic benefit (credit) cost	27	30	(14)
Total recognized in net periodic benefit cost and other comprehensive income (loss)	(76)	132	(106)
Other Postretirement Benefits Plan [Member] \| UNITED STATES
Current year actuarial (gain) loss	6	(4)	(10)
Amortization of actuarial loss	0	0	(2)
Current year prior service (credit) cost	0	(1)	0
Amortization of prior service credit	3	5	5
Total recognized in other comprehensive income (loss)	9	0	(7)
Amounts related to discontinued operations	0	1	2
Total recognized in other comprehensive income (loss) in continuing operations	9	1	(5)
Net periodic benefit (credit) cost	0	(1)	0
Total recognized in net periodic benefit cost and other comprehensive income (loss)	9	0	(5)
Other Postretirement Benefits Plan [Member] \| Foreign Plan [Member]
Current year actuarial (gain) loss	0	0	0
Amortization of actuarial loss	0	0	0
Current year prior service (credit) cost	0	0	0
Amortization of prior service credit	0	0	0
Total recognized in other comprehensive income (loss)	0	0	0
Amounts related to discontinued operations	0	0	0
Total recognized in other comprehensive income (loss) in continuing operations	0	0	0
Net periodic benefit (credit) cost	0	0	0
Total recognized in net periodic benefit cost and other comprehensive income (loss)	$ 0	$ 0	$ 0