OTHER COMPREHENSIVE INCOME - COMPONENTS AND CHANGES IN ACCUMULATED OTHER COMPREHENSIVE LOSS - HUNTSMAN INTERNATIONAL (Details) - USD ($) $ in Millions |
3 Months Ended |
12 Months Ended |
Mar. 31, 2019 |
Mar. 31, 2018 |
Dec. 31, 2018 |
Dec. 31, 2017 |
HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES |
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Ìý
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Components of other comprehensive income |
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Ìý
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Ìý
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Ìý
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Balance at the beginning of the period |
$ 2,488
|
$ 2,834
|
$ 2,834
|
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Revised beginning balance |
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|
Ìý
|
Ìý
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$ 2,834
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Balance at the end of the period |
2,640
|
3,279
|
2,488
|
2,834
|
Total |
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Components of other comprehensive income |
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Other comprehensive (loss) income before reclassifications, gross |
40
|
81
|
Ìý
|
Ìý
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Tax benefit |
2
|
1
|
Ìý
|
Ìý
|
Amounts reclassified from accumulated other comprehensive loss, gross |
15
|
22
|
Ìý
|
Ìý
|
Tax benefit (expense) |
(3)
|
(1)
|
Ìý
|
Ìý
|
Net current-period other comprehensive income (loss) |
54
|
103
|
Ìý
|
Ìý
|
Total | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES |
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Components of other comprehensive income |
Ìý
|
Ìý
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Ìý
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Balance at the beginning of the period |
(1,344)
|
(1,406)
|
(1,406)
|
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Revised beginning balance |
Ìý
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(1,416)
|
Ìý
|
Ìý
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Other comprehensive (loss) income before reclassifications, gross |
40
|
80
|
Ìý
|
Ìý
|
Tax benefit |
1
|
3
|
Ìý
|
Ìý
|
Amounts reclassified from accumulated other comprehensive loss, gross |
16
|
22
|
Ìý
|
Ìý
|
Tax benefit (expense) |
(3)
|
Ìý
|
Ìý
|
Ìý
|
Net current-period other comprehensive income (loss) |
54
|
105
|
Ìý
|
Ìý
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Balance at the end of the period |
(1,290)
|
(1,311)
|
(1,344)
|
(1,406)
|
Foreign currency translation adjustment |
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Ìý
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Ìý
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Ìý
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Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
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Other comprehensive (loss) income before reclassifications, gross |
40
|
83
|
Ìý
|
Ìý
|
Tax benefit |
2
|
4
|
Ìý
|
Ìý
|
Net current-period other comprehensive income (loss) |
42
|
87
|
Ìý
|
Ìý
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Foreign currency translation adjustment, tax |
69
|
61
|
71
|
(65)
|
Foreign currency translation adjustment | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES |
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Components of other comprehensive income |
Ìý
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Ìý
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Ìý
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Ìý
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Balance at the beginning of the period |
(376)
|
(252)
|
(252)
|
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Revised beginning balance |
Ìý
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(252)
|
Ìý
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
40
|
81
|
Ìý
|
Ìý
|
Tax benefit |
1
|
4
|
Ìý
|
Ìý
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Net current-period other comprehensive income (loss) |
41
|
85
|
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|
Ìý
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Balance at the end of the period |
(335)
|
(167)
|
(376)
|
(252)
|
Foreign currency translation adjustment, tax |
56
|
48
|
57
|
51
|
Pension and other postretirement benefits adjustments |
Ìý
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Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
(2)
|
Ìý
|
Ìý
|
Amounts reclassified from accumulated other comprehensive loss, gross |
15
|
22
|
Ìý
|
Ìý
|
Tax benefit (expense) |
(3)
|
5
|
Ìý
|
Ìý
|
Net current-period other comprehensive income (loss) |
12
|
25
|
Ìý
|
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Pension and other postretirement benefits adjustments, tax |
132
|
177
|
135
|
172
|
Pension and other postretirement benefits adjustments | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES |
Ìý
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Ìý
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Ìý
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Ìý
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Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
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Balance at the beginning of the period |
(977)
|
(1,174)
|
(1,174)
|
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Revised beginning balance |
Ìý
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(1,174)
|
Ìý
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
(2)
|
Ìý
|
Ìý
|
Amounts reclassified from accumulated other comprehensive loss, gross |
16
|
22
|
Ìý
|
Ìý
|
Tax benefit (expense) |
(3)
|
5
|
Ìý
|
Ìý
|
Net current-period other comprehensive income (loss) |
13
|
25
|
Ìý
|
Ìý
|
Balance at the end of the period |
(964)
|
(1,149)
|
(977)
|
(1,174)
|
Pension and other postretirement benefits adjustments, tax |
158
|
204
|
161
|
199
|
Other comprehensive income of unconsolidated affiliates | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES |
Ìý
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Ìý
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Ìý
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Ìý
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Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance at the beginning of the period |
8
|
3
|
3
|
Ìý
|
Revised beginning balance |
Ìý
|
3
|
Ìý
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
1
|
Ìý
|
Ìý
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Net current-period other comprehensive income (loss) |
Ìý
|
1
|
Ìý
|
Ìý
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Balance at the end of the period |
8
|
4
|
8
|
3
|
Other, net |
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Ìý
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Ìý
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Ìý
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Components of other comprehensive income |
Ìý
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Ìý
|
Ìý
|
Ìý
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Tax benefit |
Ìý
|
(3)
|
Ìý
|
Ìý
|
Tax benefit (expense) |
Ìý
|
(6)
|
Ìý
|
Ìý
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Net current-period other comprehensive income (loss) |
Ìý
|
(9)
|
Ìý
|
Ìý
|
Other, net | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES |
Ìý
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Ìý
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Ìý
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Components of other comprehensive income |
Ìý
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Ìý
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Ìý
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Ìý
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Balance at the beginning of the period |
1
|
17
|
17
|
Ìý
|
Revised beginning balance |
Ìý
|
7
|
Ìý
|
Ìý
|
Tax benefit |
Ìý
|
(1)
|
Ìý
|
Ìý
|
Tax benefit (expense) |
Ìý
|
(5)
|
Ìý
|
Ìý
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Net current-period other comprehensive income (loss) |
Ìý
|
(6)
|
Ìý
|
Ìý
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Balance at the end of the period |
1
|
1
|
1
|
17
|
Amounts attributable to noncontrolling interests |
Ìý
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Ìý
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Ìý
|
Ìý
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Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
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Other comprehensive (loss) income before reclassifications, gross |
(2)
|
(7)
|
Ìý
|
Ìý
|
Net current-period other comprehensive income (loss) |
(2)
|
(7)
|
Ìý
|
Ìý
|
Disposition of a portion of Venator |
Ìý
|
(16)
|
Ìý
|
Ìý
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Amounts attributable to noncontrolling interests | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES |
Ìý
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Ìý
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Ìý
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Ìý
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Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
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Balance at the beginning of the period |
36
|
143
|
143
|
Ìý
|
Revised beginning balance |
Ìý
|
143
|
Ìý
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
(2)
|
(7)
|
Ìý
|
Ìý
|
Net current-period other comprehensive income (loss) |
(2)
|
(7)
|
Ìý
|
Ìý
|
Disposition of a portion of Venator |
Ìý
|
(16)
|
Ìý
|
Ìý
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Balance at the end of the period |
34
|
120
|
36
|
143
|
Accumulated other comprehensive (loss) income |
Ìý
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Ìý
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Ìý
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Ìý
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Components of other comprehensive income |
Ìý
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Ìý
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Ìý
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Ìý
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Cumulative effect of changes in fair value of equity investments |
Ìý
|
Ìý
|
Ìý
|
(10)
|
Other comprehensive (loss) income before reclassifications, gross |
38
|
74
|
Ìý
|
Ìý
|
Tax benefit |
2
|
1
|
Ìý
|
Ìý
|
Amounts reclassified from accumulated other comprehensive loss, gross |
15
|
22
|
Ìý
|
Ìý
|
Tax benefit (expense) |
(3)
|
(1)
|
Ìý
|
Ìý
|
Net current-period other comprehensive income (loss) |
52
|
96
|
Ìý
|
Ìý
|
Disposition of a portion of Venator |
Ìý
|
(16)
|
Ìý
|
Ìý
|
Accumulated other comprehensive (loss) income | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES |
Ìý
|
Ìý
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Ìý
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Ìý
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Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
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Balance at the beginning of the period |
(1,308)
|
(1,263)
|
(1,263)
|
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Cumulative effect of changes in fair value of equity investments |
Ìý
|
Ìý
|
Ìý
|
(10)
|
Revised beginning balance |
Ìý
|
(1,273)
|
Ìý
|
(1,273)
|
Other comprehensive (loss) income before reclassifications, gross |
38
|
73
|
Ìý
|
Ìý
|
Tax benefit |
1
|
3
|
Ìý
|
Ìý
|
Amounts reclassified from accumulated other comprehensive loss, gross |
16
|
22
|
Ìý
|
Ìý
|
Tax benefit (expense) |
(3)
|
Ìý
|
Ìý
|
Ìý
|
Net current-period other comprehensive income (loss) |
52
|
98
|
Ìý
|
Ìý
|
Disposition of a portion of Venator |
Ìý
|
(16)
|
Ìý
|
Ìý
|
Balance at the end of the period |
$ (1,256)
|
(1,191)
|
$ (1,308)
|
$ (1,263)
|
ASU 2016-01 | Total |
Ìý
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Ìý
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Ìý
|
Ìý
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Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Cumulative effect of changes in fair value of equity investments |
Ìý
|
(10)
|
Ìý
|
Ìý
|
ASU 2016-01 | Total | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES |
Ìý
|
Ìý
|
Ìý
|
Ìý
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Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Cumulative effect of changes in fair value of equity investments |
Ìý
|
(10)
|
Ìý
|
Ìý
|
ASU 2016-01 | Other, net |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Cumulative effect of changes in fair value of equity investments |
Ìý
|
(10)
|
Ìý
|
Ìý
|
ASU 2016-01 | Other, net | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Cumulative effect of changes in fair value of equity investments |
Ìý
|
(10)
|
Ìý
|
Ìý
|
ASU 2016-01 | Accumulated other comprehensive (loss) income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Cumulative effect of changes in fair value of equity investments |
Ìý
|
(10)
|
Ìý
|
Ìý
|
ASU 2016-01 | Accumulated other comprehensive (loss) income | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Cumulative effect of changes in fair value of equity investments |
Ìý
|
$ (10)
|
Ìý
|
Ìý
|