Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
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Pension |
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Foreign |
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and other |
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Amounts |
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|
Amounts |
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currency |
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postretirement |
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attributable to |
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attributable to |
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translation |
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benefits |
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noncontrolling |
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Huntsman |
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|
adjustments(1) |
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adjustments(2) |
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Other, net |
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Total |
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|
interests |
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|
Corporation |
|
Beginning balance, January 1, 2024 |
|
$ |
(614 |
) |
|
$ |
(656 |
) |
|
$ |
(3 |
) |
|
$ |
(1,273 |
) |
|
$ |
28 |
|
|
$ |
(1,245 |
) |
Other comprehensive income before reclassifications, gross |
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(9 |
) |
|
|
2 |
|
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|
4 |
|
|
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(3 |
) |
|
|
(4 |
) |
|
|
(7 |
) |
Tax impact |
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|
1 |
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|
— |
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|
— |
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|
1 |
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— |
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|
1 |
|
Amounts reclassified from accumulated other comprehensive loss, gross(3) |
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|
9 |
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|
19 |
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— |
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|
28 |
|
|
|
— |
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|
28 |
|
Tax impact |
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|
— |
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|
|
(1 |
) |
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|
— |
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|
(1 |
) |
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|
— |
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|
|
(1 |
) |
Net current-period other comprehensive income |
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1 |
|
|
|
20 |
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4 |
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|
|
25 |
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(4 |
) |
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|
21 |
|
Ending balance, September 30, 2024 |
|
$ |
(613 |
) |
|
$ |
(636 |
) |
|
$ |
1 |
|
|
$ |
(1,248 |
) |
|
$ |
24 |
|
|
$ |
(1,224 |
) |
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Pension |
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|
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|
|
|
|
|
|
|
|
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Foreign |
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and other |
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|
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|
|
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Amounts |
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Amounts |
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|
currency |
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|
postretirement |
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attributable to |
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attributable to |
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|
translation |
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|
benefits |
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|
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noncontrolling |
|
|
Huntsman |
|
|
|
adjustments(1) |
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|
adjustments(2) |
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|
Other, net |
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|
Total |
|
|
interests |
|
|
Corporation |
|
Beginning balance, January 1, 2023 |
|
$ |
(648 |
) |
|
$ |
(652 |
) |
|
$ |
7 |
|
|
$ |
(1,293 |
) |
|
$ |
25 |
|
|
$ |
(1,268 |
) |
Other comprehensive loss before reclassifications, gross |
|
|
(65 |
) |
|
|
(24 |
) |
|
|
(9 |
) |
|
|
(98 |
) |
|
|
5 |
|
|
|
(93 |
) |
Tax impact |
|
|
(1 |
) |
|
|
2 |
|
|
|
— |
|
|
|
1 |
|
|
|
— |
|
|
|
1 |
|
Amounts reclassified from accumulated other comprehensive loss, gross(3) |
|
|
28 |
|
|
|
83 |
|
|
|
— |
|
|
|
111 |
|
|
|
— |
|
|
|
111 |
|
Tax impact |
|
|
(1 |
) |
|
|
25 |
|
|
|
— |
|
|
|
24 |
|
|
|
— |
|
|
|
24 |
|
Net current-period other comprehensive (loss) income |
|
|
(39 |
) |
|
|
86 |
|
|
|
(9 |
) |
|
|
38 |
|
|
|
5 |
|
|
|
43 |
|
Ending balance, September 30, 2023 |
|
$ |
(687 |
) |
|
$ |
(566 |
) |
|
$ |
(2 |
) |
|
$ |
(1,255 |
) |
|
$ |
30 |
|
|
$ |
(1,225 |
) |
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Pension |
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|
|
|
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|
|
|
|
|
|
Foreign |
|
|
and other |
|
|
|
|
|
|
|
|
|
|
Amounts |
|
|
Amounts |
|
|
|
currency |
|
|
postretirement |
|
|
|
|
|
|
|
|
|
|
attributable to |
|
|
attributable to |
|
|
|
translation |
|
|
benefits |
|
|
|
|
|
|
|
|
|
|
noncontrolling |
|
|
Huntsman |
|
|
|
adjustments(1) |
|
|
adjustments(2) |
|
|
Other, net |
|
|
Total |
|
|
interests |
|
|
International |
|
Beginning balance, January 1, 2024 |
|
$ |
(619 |
) |
|
$ |
(632 |
) |
|
$ |
(7 |
) |
|
$ |
(1,258 |
) |
|
$ |
28 |
|
|
$ |
(1,230 |
) |
Other comprehensive income before reclassifications, gross |
|
|
(9 |
) |
|
|
2 |
|
|
|
4 |
|
|
|
(3 |
) |
|
|
(4 |
) |
|
|
(7 |
) |
Tax impact |
|
|
1 |
|
|
|
— |
|
|
|
— |
|
|
|
1 |
|
|
|
— |
|
|
|
1 |
|
Amounts reclassified from accumulated other comprehensive loss, gross(3) |
|
|
9 |
|
|
|
19 |
|
|
|
— |
|
|
|
28 |
|
|
|
— |
|
|
|
28 |
|
Tax impact |
|
|
— |
|
|
|
(1 |
) |
|
|
— |
|
|
|
(1 |
) |
|
|
— |
|
|
|
(1 |
) |
Net current-period other comprehensive income |
|
|
1 |
|
|
|
20 |
|
|
|
4 |
|
|
|
25 |
|
|
|
(4 |
) |
|
|
21 |
|
Ending balance, September 30, 2024 |
|
$ |
(618 |
) |
|
$ |
(612 |
) |
|
$ |
(3 |
) |
|
$ |
(1,233 |
) |
|
$ |
24 |
|
|
$ |
(1,209 |
) |
|
|
|
|
|
|
Pension |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Foreign |
|
|
and other |
|
|
|
|
|
|
|
|
|
|
Amounts |
|
|
Amounts |
|
|
|
currency |
|
|
postretirement |
|
|
|
|
|
|
|
|
|
|
attributable to |
|
|
attributable to |
|
|
|
translation |
|
|
benefits |
|
|
|
|
|
|
|
|
|
|
noncontrolling |
|
|
Huntsman |
|
|
|
adjustments(1) |
|
|
adjustments(2) |
|
|
Other, net |
|
|
Total |
|
|
interests |
|
|
International |
|
Beginning balance, January 1, 2023 |
|
$ |
(653 |
) |
|
$ |
(628 |
) |
|
$ |
3 |
|
|
$ |
(1,278 |
) |
|
$ |
25 |
|
|
$ |
(1,253 |
) |
Other comprehensive loss before reclassifications, gross |
|
|
(65 |
) |
|
|
(24 |
) |
|
|
(9 |
) |
|
|
(98 |
) |
|
|
5 |
|
|
|
(93 |
) |
Tax impact |
|
|
(1 |
) |
|
|
2 |
|
|
|
— |
|
|
|
1 |
|
|
|
— |
|
|
|
1 |
|
Amounts reclassified from accumulated other comprehensive loss, gross(3) |
|
|
28 |
|
|
|
83 |
|
|
|
— |
|
|
|
111 |
|
|
|
— |
|
|
|
111 |
|
Tax impact |
|
|
(1 |
) |
|
|
25 |
|
|
|
— |
|
|
|
24 |
|
|
|
— |
|
|
|
24 |
|
Net current-period other comprehensive (loss) income |
|
|
(39 |
) |
|
|
86 |
|
|
|
(9 |
) |
|
|
38 |
|
|
|
5 |
|
|
|
43 |
|
Ending balance, September 30, 2023 |
|
$ |
(692 |
) |
|
$ |
(542 |
) |
|
$ |
(6 |
) |
|
$ |
(1,240 |
) |
|
$ |
30 |
|
|
$ |
(1,210 |
) |
|
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] |
|
|
Three months ended September 30, |
|
|
|
|
|
2024 |
|
|
2023 |
|
|
|
|
|
Amounts reclassified |
|
|
Amounts reclassified |
|
|
Affected line item in |
|
|
from accumulated |
|
|
from accumulated |
|
|
the statement |
Details about accumulated other |
|
other |
|
|
other |
|
|
where net income |
comprehensive loss components(1)(2): |
|
comprehensive loss |
|
|
comprehensive loss |
|
|
is presented |
Amortization of pension and other postretirement benefits: |
|
|
|
|
|
|
|
|
|
|
Prior service credit |
|
$ |
(3 |
) |
|
$ |
(5 |
) |
(3)(4) |
Other income (expense), net |
Actuarial loss |
|
|
9 |
|
|
|
17 |
|
(3)(4) |
Other income (expense), net |
|
|
|
6 |
|
|
|
12 |
|
|
Total before tax |
|
|
|
— |
|
|
|
— |
|
|
Income tax expense |
Total reclassifications for the period |
|
$ |
6 |
|
|
$ |
12 |
|
|
Net of tax |
|
|
Nine Months Ended September 30, |
|
|
|
|
|
|
2024 |
|
|
2023 |
|
|
|
|
|
|
Amounts reclassified |
|
|
Amounts reclassified |
|
|
|
Affected line item in |
|
|
from accumulated |
|
|
from accumulated |
|
|
|
the statement |
Details about accumulated other |
|
other |
|
|
other |
|
|
|
where net income |
comprehensive loss components(1)(2): |
|
comprehensive loss |
|
|
comprehensive loss |
|
|
|
is presented |
Amortization of pension and other postretirement benefits: |
|
|
|
|
|
|
|
|
|
|
|
Prior service credit |
|
$ |
(6 |
) |
|
$ |
(8 |
) |
|
(3)(4) |
Other income (expense), net |
Actuarial loss |
|
|
25 |
|
|
|
25 |
|
|
(3)(4) |
Other income (expense), net |
Curtailment gains |
|
|
— |
|
|
|
(1 |
) |
|
(5) |
Other income (expense), net |
Settlement losses |
|
|
— |
|
|
|
67 |
|
|
(5) |
Other income (expense), net |
|
|
|
19 |
|
|
|
83 |
|
|
|
Total before tax |
|
|
|
(1 |
) |
|
|
25 |
|
|
|
Income tax expense |
Total reclassifications for the period |
|
$ |
18 |
|
|
$ |
108 |
|
|
|
Net of tax |
|
|
Three months ended September 30, |
|
|
|
|
|
2024 |
|
|
2023 |
|
|
|
|
|
Amounts reclassified |
|
|
Amounts reclassified |
|
|
Affected line item in |
|
|
from accumulated |
|
|
from accumulated |
|
|
the statement |
Details about accumulated other |
|
other |
|
|
other |
|
|
where net income |
comprehensive loss components(1)(2): |
|
comprehensive loss |
|
|
comprehensive loss |
|
|
is presented |
Amortization of pension and other postretirement benefits: |
|
|
|
|
|
|
|
|
|
|
Prior service credit |
|
$ |
(3 |
) |
|
$ |
(5 |
) |
(3)(4) |
Other income (expense), net |
Actuarial loss |
|
|
9 |
|
|
|
17 |
|
(3)(4) |
Other income (expense), net |
|
|
|
6 |
|
|
|
12 |
|
|
Total before tax |
|
|
|
— |
|
|
|
— |
|
|
Income tax expense |
Total reclassifications for the period |
|
$ |
6 |
|
|
$ |
12 |
|
|
Net of tax |
|
|
Nine Months Ended September 30, |
|
|
|
|
|
|
2024 |
|
|
2023 |
|
|
|
|
|
|
Amounts reclassified |
|
|
Amounts reclassified |
|
|
|
Affected line item in |
|
|
from accumulated |
|
|
from accumulated |
|
|
|
the statement |
Details about accumulated other |
|
other |
|
|
other |
|
|
|
where net income |
comprehensive loss components(1)(2): |
|
comprehensive loss |
|
|
comprehensive loss |
|
|
|
is presented |
Amortization of pension and other postretirement benefits: |
|
|
|
|
|
|
|
|
|
|
|
Prior service credit |
|
$ |
(6 |
) |
|
$ |
(8 |
) |
|
(3)(4) |
Other income (expense), net |
Actuarial loss |
|
|
25 |
|
|
|
25 |
|
|
(3)(4) |
Other income (expense), net |
Curtailment gains |
|
|
— |
|
|
|
(1 |
) |
|
(5) |
Other income (expense), net |
Settlement losses |
|
|
— |
|
|
|
67 |
|
|
(5) |
Other income (expense), net |
|
|
|
19 |
|
|
|
83 |
|
|
|
Total before tax |
|
|
|
(1 |
) |
|
|
25 |
|
|
|
Income tax expense |
Total reclassifications for the period |
|
$ |
18 |
|
|
$ |
108 |
|
|
|
Net of tax |
|