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

Annual report pursuant to Section 13 and 15(d)

Note 18 - Employee Benefit Plans - Fair Value of Recurring Plan Assets (Details)

Note 18 - Employee Benefit Plans - Fair Value of Recurring Plan Assets (Details) - Pension Plan [Member] - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Fair value of plan assets	$ 2,196	$ 2,270
Real Estate and Other [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	71	81	$ 71
UNITED STATES
Fair value of plan assets	727	728	691
UNITED STATES \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	355	357
UNITED STATES \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	372	371
UNITED STATES \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	0	0
UNITED STATES \| Defined Benefit Plan, Equity Securities [Member]
Fair value of plan assets	333	329
UNITED STATES \| Defined Benefit Plan, Equity Securities [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	178	175
UNITED STATES \| Defined Benefit Plan, Equity Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	155	154
UNITED STATES \| Defined Benefit Plan, Equity Securities [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	0	0
UNITED STATES \| Fixed Income Funds [Member]
Fair value of plan assets	360	364
UNITED STATES \| Fixed Income Funds [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	144	147
UNITED STATES \| Fixed Income Funds [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	216	217
UNITED STATES \| Fixed Income Funds [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	0	0
UNITED STATES \| Real Estate and Other [Member]
Fair value of plan assets	13	14
UNITED STATES \| Real Estate and Other [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	12	14
UNITED STATES \| Real Estate and Other [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	1	0
UNITED STATES \| Real Estate and Other [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	0	0
UNITED STATES \| Defined Benefit Plan, Cash [Member]
Fair value of plan assets	21	21
UNITED STATES \| Defined Benefit Plan, Cash [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	21	21
UNITED STATES \| Defined Benefit Plan, Cash [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	0	0
UNITED STATES \| Defined Benefit Plan, Cash [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	0	0
Foreign Plan [Member]
Fair value of plan assets	1,469	1,542	$ 1,436
Foreign Plan [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	662	697
Foreign Plan [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	736	764
Foreign Plan [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	71	81
Foreign Plan [Member] \| Defined Benefit Plan, Equity Securities [Member]
Fair value of plan assets	286	343
Foreign Plan [Member] \| Defined Benefit Plan, Equity Securities [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	52	87
Foreign Plan [Member] \| Defined Benefit Plan, Equity Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	234	256
Foreign Plan [Member] \| Defined Benefit Plan, Equity Securities [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	0	0
Foreign Plan [Member] \| Fixed Income Funds [Member]
Fair value of plan assets	703	721
Foreign Plan [Member] \| Fixed Income Funds [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	435	483
Foreign Plan [Member] \| Fixed Income Funds [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	268	238
Foreign Plan [Member] \| Fixed Income Funds [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	0	0
Foreign Plan [Member] \| Real Estate and Other [Member]
Fair value of plan assets	348	398
Foreign Plan [Member] \| Real Estate and Other [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	43	47
Foreign Plan [Member] \| Real Estate and Other [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	234	270
Foreign Plan [Member] \| Real Estate and Other [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	71	81
Foreign Plan [Member] \| Defined Benefit Plan, Cash [Member]
Fair value of plan assets	132	80
Foreign Plan [Member] \| Defined Benefit Plan, Cash [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value of plan assets	132	80
Foreign Plan [Member] \| Defined Benefit Plan, Cash [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value of plan assets	0	0
Foreign Plan [Member] \| Defined Benefit Plan, Cash [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value of plan assets	$ 0	$ 0