OTHER COMPREHENSIVE INCOME - COMPONENTS AND CHANGES IN ACCUMULATED OTHER COMPREHENSIVE LOSS - HUNTSMAN CORPORATION (Details) - USD ($) $ in Millions |
3 Months Ended |
6 Months Ended |
12 Months Ended |
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance at the beginning of the period |
Ìý
|
Ìý
|
$ 3,371
|
$ 1,467
|
$ 1,467
|
Ìý
|
Revised beginning balance |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
3,371
|
Ìý
|
Other comprehensive (loss) income, net of tax |
$ (181)
|
$ 73
|
(78)
|
170
|
Ìý
|
Ìý
|
Balance at the end of the period |
4,070
|
1,878
|
4,070
|
1,878
|
3,371
|
$ 1,467
|
Total |
Ìý
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Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance at the beginning of the period |
Ìý
|
Ìý
|
(1,411)
|
(1,707)
|
(1,707)
|
Ìý
|
Revised beginning balance |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(1,421)
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
(102)
|
124
|
Ìý
|
Ìý
|
Tax benefit (expense) |
Ìý
|
Ìý
|
(13)
|
17
|
Ìý
|
Ìý
|
Amounts reclassified from accumulated other comprehensive loss, gross |
Ìý
|
Ìý
|
41
|
31
|
Ìý
|
Ìý
|
Tax benefit (expense) |
Ìý
|
Ìý
|
(4)
|
(2)
|
Ìý
|
Ìý
|
Other comprehensive (loss) income, net of tax |
Ìý
|
Ìý
|
Ìý
|
170
|
Ìý
|
Ìý
|
Net current-period other comprehensive income (loss) |
Ìý
|
Ìý
|
(78)
|
Ìý
|
Ìý
|
Ìý
|
Balance at the end of the period |
(1,499)
|
(1,537)
|
(1,499)
|
(1,537)
|
(1,411)
|
(1,707)
|
Foreign currency translation adjustment |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance at the beginning of the period |
Ìý
|
Ìý
|
(249)
|
(459)
|
(459)
|
Ìý
|
Revised beginning balance |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(249)
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
(105)
|
118
|
Ìý
|
Ìý
|
Tax benefit (expense) |
Ìý
|
Ìý
|
(10)
|
17
|
Ìý
|
Ìý
|
Other comprehensive (loss) income, net of tax |
Ìý
|
Ìý
|
Ìý
|
135
|
Ìý
|
Ìý
|
Net current-period other comprehensive income (loss) |
Ìý
|
Ìý
|
(115)
|
Ìý
|
Ìý
|
Ìý
|
Balance at the end of the period |
(364)
|
(324)
|
(364)
|
(324)
|
(249)
|
(459)
|
Foreign currency translation adjustment, tax |
Ìý
|
Ìý
|
75
|
83
|
65
|
100
|
Pension and other postretirement benefits adjustments |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance at the beginning of the period |
Ìý
|
Ìý
|
(1,189)
|
(1,275)
|
(1,275)
|
Ìý
|
Revised beginning balance |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(1,189)
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
2
|
Ìý
|
Ìý
|
Ìý
|
Amounts reclassified from accumulated other comprehensive loss, gross |
19
|
20
|
41
|
39
|
Ìý
|
Ìý
|
Tax benefit (expense) |
(3)
|
(1)
|
2
|
(2)
|
Ìý
|
Ìý
|
Other comprehensive (loss) income, net of tax |
Ìý
|
Ìý
|
Ìý
|
37
|
Ìý
|
Ìý
|
Net current-period other comprehensive income (loss) |
Ìý
|
Ìý
|
45
|
Ìý
|
Ìý
|
Ìý
|
Balance at the end of the period |
(1,144)
|
(1,238)
|
(1,144)
|
(1,238)
|
(1,189)
|
(1,275)
|
Pension and other postretirement benefits adjustments, tax |
Ìý
|
Ìý
|
174
|
175
|
172
|
177
|
Other comprehensive income of unconsolidated affiliates |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance at the beginning of the period |
Ìý
|
Ìý
|
3
|
4
|
4
|
Ìý
|
Revised beginning balance |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
3
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
1
|
Ìý
|
Ìý
|
Ìý
|
Net current-period other comprehensive income (loss) |
Ìý
|
Ìý
|
1
|
Ìý
|
Ìý
|
Ìý
|
Balance at the end of the period |
4
|
4
|
4
|
4
|
3
|
4
|
Other, net |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance at the beginning of the period |
Ìý
|
Ìý
|
24
|
23
|
23
|
Ìý
|
Revised beginning balance |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
14
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
Ìý
|
6
|
Ìý
|
Ìý
|
Tax benefit (expense) |
Ìý
|
Ìý
|
(3)
|
Ìý
|
Ìý
|
Ìý
|
Amounts reclassified from accumulated other comprehensive loss, gross |
Ìý
|
Ìý
|
Ìý
|
(8)
|
Ìý
|
Ìý
|
Tax benefit (expense) |
Ìý
|
Ìý
|
(6)
|
Ìý
|
Ìý
|
Ìý
|
Other comprehensive (loss) income, net of tax |
Ìý
|
Ìý
|
Ìý
|
(2)
|
Ìý
|
Ìý
|
Net current-period other comprehensive income (loss) |
Ìý
|
Ìý
|
(9)
|
Ìý
|
Ìý
|
Ìý
|
Balance at the end of the period |
5
|
21
|
5
|
21
|
24
|
23
|
Amounts attributable to noncontrolling interests |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance at the beginning of the period |
Ìý
|
Ìý
|
143
|
36
|
36
|
Ìý
|
Revised beginning balance |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
143
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
31
|
(7)
|
Ìý
|
Ìý
|
Other comprehensive (loss) income, net of tax |
Ìý
|
Ìý
|
Ìý
|
(7)
|
Ìý
|
Ìý
|
Net current-period other comprehensive income (loss) |
Ìý
|
Ìý
|
31
|
Ìý
|
Ìý
|
Ìý
|
Disposition of a portion of P and A Business |
Ìý
|
Ìý
|
(5)
|
Ìý
|
Ìý
|
Ìý
|
Balance at the end of the period |
169
|
29
|
169
|
29
|
143
|
36
|
Accumulated other comprehensive (loss) income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance at the beginning of the period |
Ìý
|
Ìý
|
(1,268)
|
(1,671)
|
(1,671)
|
Ìý
|
Revised beginning balance |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(1,278)
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
(71)
|
117
|
Ìý
|
Ìý
|
Tax benefit (expense) |
Ìý
|
Ìý
|
(13)
|
17
|
Ìý
|
Ìý
|
Amounts reclassified from accumulated other comprehensive loss, gross |
Ìý
|
Ìý
|
41
|
31
|
Ìý
|
Ìý
|
Tax benefit (expense) |
Ìý
|
Ìý
|
(4)
|
(2)
|
Ìý
|
Ìý
|
Other comprehensive (loss) income, net of tax |
Ìý
|
Ìý
|
(52)
|
163
|
Ìý
|
Ìý
|
Net current-period other comprehensive income (loss) |
Ìý
|
Ìý
|
(47)
|
Ìý
|
Ìý
|
Ìý
|
Disposition of a portion of P and A Business |
Ìý
|
Ìý
|
(5)
|
Ìý
|
Ìý
|
Ìý
|
Balance at the end of the period |
$ (1,330)
|
$ (1,508)
|
$ (1,330)
|
$ (1,508)
|
(1,268)
|
$ (1,671)
|
Asu 2016-01 | Total |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Cumulative effect of changes in fair value of equity investments |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(10)
|
Ìý
|
Asu 2016-01 | Other, net |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Cumulative effect of changes in fair value of equity investments |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(10)
|
Ìý
|
Asu 2016-01 | Accumulated other comprehensive (loss) income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Cumulative effect of changes in fair value of equity investments |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
$ (10)
|
Ìý
|