OTHER COMPREHENSIVE INCOME - COMPONENTS AND CHANGES IN ACCUMULATED OTHER COMPREHENSIVE LOSS - HUNTSMAN INTERNATIONAL (Details) - USD ($) $ in Millions |
3 Months Ended |
9 Months Ended |
12 Months Ended |
|
Sep. 30, 2019 |
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Mar. 31, 2018 |
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Acquisition of noncontrolling interests, net of tax |
$ (79)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance at the beginning of the period |
2,676
|
$ 3,674
|
$ 2,488
|
$ 2,834
|
$ 2,834
|
Ìý
|
Ìý
|
Acquisition of noncontrolling interests, net of tax |
(79)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance at the end of the period |
2,575
|
3,604
|
2,575
|
3,604
|
2,488
|
$ 2,834
|
Ìý
|
Total |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Cumulative effect of changes in fair value of equity investments |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(10)
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
(20)
|
(152)
|
Ìý
|
Ìý
|
Ìý
|
Tax benefit |
Ìý
|
Ìý
|
(1)
|
(4)
|
Ìý
|
Ìý
|
Ìý
|
Amounts reclassified from accumulated other comprehensive loss, gross |
Ìý
|
Ìý
|
46
|
60
|
Ìý
|
Ìý
|
Ìý
|
Tax benefit (expense) |
Ìý
|
Ìý
|
(10)
|
(7)
|
Ìý
|
Ìý
|
Ìý
|
Net current-period other comprehensive (loss) income |
Ìý
|
Ìý
|
15
|
(103)
|
Ìý
|
Ìý
|
Ìý
|
Total | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance at the beginning of the period |
Ìý
|
Ìý
|
(1,344)
|
(1,406)
|
(1,406)
|
Ìý
|
Ìý
|
Cumulative effect of changes in fair value of equity investments |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(10)
|
Ìý
|
Revised beginning balance |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(1,416)
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
(21)
|
(153)
|
Ìý
|
Ìý
|
Ìý
|
Tax benefit |
Ìý
|
Ìý
|
(1)
|
(2)
|
Ìý
|
Ìý
|
Ìý
|
Amounts reclassified from accumulated other comprehensive loss, gross |
Ìý
|
Ìý
|
48
|
61
|
Ìý
|
Ìý
|
Ìý
|
Tax benefit (expense) |
Ìý
|
Ìý
|
(10)
|
(6)
|
Ìý
|
Ìý
|
Ìý
|
Net current-period other comprehensive (loss) income |
Ìý
|
Ìý
|
16
|
(100)
|
Ìý
|
Ìý
|
Ìý
|
Balance at the end of the period |
(1,328)
|
(1,516)
|
(1,328)
|
(1,516)
|
(1,344)
|
(1,406)
|
Ìý
|
Foreign currency translation adjustment |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
(19)
|
(155)
|
Ìý
|
Ìý
|
Ìý
|
Tax benefit |
Ìý
|
Ìý
|
(1)
|
(1)
|
Ìý
|
Ìý
|
Ìý
|
Net current-period other comprehensive (loss) income |
Ìý
|
Ìý
|
(20)
|
(156)
|
Ìý
|
Ìý
|
Ìý
|
Foreign currency translation adjustment, tax |
Ìý
|
Ìý
|
72
|
66
|
71
|
65
|
Ìý
|
Foreign currency translation adjustment | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance at the beginning of the period |
Ìý
|
Ìý
|
(376)
|
(252)
|
(252)
|
Ìý
|
Ìý
|
Revised beginning balance |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(252)
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
(20)
|
(156)
|
Ìý
|
Ìý
|
Ìý
|
Tax benefit |
Ìý
|
Ìý
|
(1)
|
(1)
|
Ìý
|
Ìý
|
Ìý
|
Net current-period other comprehensive (loss) income |
Ìý
|
Ìý
|
(21)
|
(157)
|
Ìý
|
Ìý
|
Ìý
|
Balance at the end of the period |
(397)
|
(409)
|
(397)
|
(409)
|
(376)
|
(252)
|
Ìý
|
Foreign currency translation adjustment, tax |
Ìý
|
Ìý
|
59
|
52
|
57
|
51
|
Ìý
|
Pension and other postretirement benefits adjustments |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
Ìý
|
2
|
Ìý
|
Ìý
|
Ìý
|
Amounts reclassified from accumulated other comprehensive loss, gross |
15
|
19
|
46
|
60
|
Ìý
|
Ìý
|
Ìý
|
Tax benefit (expense) |
(4)
|
(3)
|
(10)
|
(1)
|
Ìý
|
Ìý
|
Ìý
|
Net current-period other comprehensive (loss) income |
Ìý
|
Ìý
|
36
|
61
|
Ìý
|
Ìý
|
Ìý
|
Pension and other postretirement benefits adjustments, tax |
Ìý
|
Ìý
|
125
|
171
|
135
|
172
|
Ìý
|
Pension and other postretirement benefits adjustments | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance at the beginning of the period |
Ìý
|
Ìý
|
(977)
|
(1,174)
|
(1,174)
|
Ìý
|
Ìý
|
Revised beginning balance |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(1,174)
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
Ìý
|
2
|
Ìý
|
Ìý
|
Ìý
|
Amounts reclassified from accumulated other comprehensive loss, gross |
15
|
19
|
48
|
61
|
Ìý
|
Ìý
|
Ìý
|
Tax benefit (expense) |
(3)
|
(2)
|
(10)
|
(1)
|
Ìý
|
Ìý
|
Ìý
|
Net current-period other comprehensive (loss) income |
Ìý
|
Ìý
|
38
|
62
|
Ìý
|
Ìý
|
Ìý
|
Balance at the end of the period |
(939)
|
(1,112)
|
(939)
|
(1,112)
|
(977)
|
(1,174)
|
Ìý
|
Pension and other postretirement benefits adjustments, tax |
Ìý
|
Ìý
|
151
|
198
|
161
|
199
|
Ìý
|
Other comprehensive income of unconsolidated affiliates |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
Ìý
|
1
|
Ìý
|
Ìý
|
Ìý
|
Net current-period other comprehensive (loss) income |
Ìý
|
Ìý
|
Ìý
|
1
|
Ìý
|
Ìý
|
Ìý
|
Other comprehensive income of unconsolidated affiliates | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance at the beginning of the period |
Ìý
|
Ìý
|
8
|
3
|
3
|
Ìý
|
Ìý
|
Revised beginning balance |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
3
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
Ìý
|
1
|
Ìý
|
Ìý
|
Ìý
|
Net current-period other comprehensive (loss) income |
Ìý
|
Ìý
|
Ìý
|
1
|
Ìý
|
Ìý
|
Ìý
|
Balance at the end of the period |
8
|
4
|
8
|
4
|
8
|
3
|
Ìý
|
Other, net |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Cumulative effect of changes in fair value of equity investments |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(10)
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
(1)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Tax benefit |
Ìý
|
Ìý
|
Ìý
|
(3)
|
Ìý
|
Ìý
|
Ìý
|
Tax benefit (expense) |
Ìý
|
Ìý
|
Ìý
|
(6)
|
Ìý
|
Ìý
|
Ìý
|
Net current-period other comprehensive (loss) income |
Ìý
|
Ìý
|
(1)
|
(9)
|
Ìý
|
Ìý
|
Ìý
|
Other, net | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance at the beginning of the period |
Ìý
|
Ìý
|
1
|
17
|
17
|
Ìý
|
Ìý
|
Cumulative effect of changes in fair value of equity investments |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(10)
|
Ìý
|
Revised beginning balance |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
7
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
(1)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Tax benefit |
Ìý
|
Ìý
|
Ìý
|
(1)
|
Ìý
|
Ìý
|
Ìý
|
Tax benefit (expense) |
Ìý
|
Ìý
|
Ìý
|
(5)
|
Ìý
|
Ìý
|
Ìý
|
Net current-period other comprehensive (loss) income |
Ìý
|
Ìý
|
(1)
|
(6)
|
Ìý
|
Ìý
|
Ìý
|
Balance at the end of the period |
Ìý
|
1
|
Ìý
|
1
|
1
|
17
|
Ìý
|
Amounts attributable to noncontrolling interests |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
6
|
32
|
Ìý
|
Ìý
|
Ìý
|
Net current-period other comprehensive (loss) income |
Ìý
|
Ìý
|
6
|
32
|
Ìý
|
Ìý
|
Ìý
|
Acquisition of noncontrolling interests, net of tax |
Ìý
|
Ìý
|
(15)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Disposition of a portion of Venator |
Ìý
|
Ìý
|
Ìý
|
(5)
|
Ìý
|
Ìý
|
Ìý
|
Amounts attributable to noncontrolling interests | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance at the beginning of the period |
Ìý
|
Ìý
|
36
|
143
|
143
|
Ìý
|
Ìý
|
Revised beginning balance |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
143
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
6
|
32
|
Ìý
|
Ìý
|
Ìý
|
Net current-period other comprehensive (loss) income |
Ìý
|
Ìý
|
6
|
32
|
Ìý
|
Ìý
|
Ìý
|
Acquisition of noncontrolling interests, net of tax |
Ìý
|
Ìý
|
(15)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Disposition of a portion of Venator |
Ìý
|
Ìý
|
Ìý
|
(5)
|
Ìý
|
Ìý
|
Ìý
|
Balance at the end of the period |
27
|
170
|
27
|
170
|
36
|
143
|
Ìý
|
Accumulated other comprehensive loss |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Cumulative effect of changes in fair value of equity investments |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(10)
|
$ (10)
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
(14)
|
(120)
|
Ìý
|
Ìý
|
Ìý
|
Tax benefit |
Ìý
|
Ìý
|
(1)
|
(4)
|
Ìý
|
Ìý
|
Ìý
|
Amounts reclassified from accumulated other comprehensive loss, gross |
Ìý
|
Ìý
|
46
|
60
|
Ìý
|
Ìý
|
Ìý
|
Tax benefit (expense) |
Ìý
|
Ìý
|
(10)
|
(7)
|
Ìý
|
Ìý
|
Ìý
|
Net current-period other comprehensive (loss) income |
Ìý
|
Ìý
|
21
|
(71)
|
Ìý
|
Ìý
|
Ìý
|
Acquisition of noncontrolling interests, net of tax |
Ìý
|
Ìý
|
(15)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Disposition of a portion of Venator |
Ìý
|
Ìý
|
Ìý
|
(5)
|
Ìý
|
Ìý
|
Ìý
|
Accumulated other comprehensive loss | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Components of other comprehensive income |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Balance at the beginning of the period |
(1,262)
|
(1,322)
|
(1,308)
|
(1,263)
|
(1,263)
|
Ìý
|
Ìý
|
Cumulative effect of changes in fair value of equity investments |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(10)
|
Ìý
|
Revised beginning balance |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
(1,273)
|
Ìý
|
Other comprehensive (loss) income before reclassifications, gross |
Ìý
|
Ìý
|
(15)
|
(121)
|
Ìý
|
Ìý
|
Ìý
|
Tax benefit |
Ìý
|
Ìý
|
(1)
|
(2)
|
Ìý
|
Ìý
|
Ìý
|
Amounts reclassified from accumulated other comprehensive loss, gross |
Ìý
|
Ìý
|
48
|
61
|
Ìý
|
Ìý
|
Ìý
|
Tax benefit (expense) |
Ìý
|
Ìý
|
(10)
|
(6)
|
Ìý
|
Ìý
|
Ìý
|
Net current-period other comprehensive (loss) income |
Ìý
|
Ìý
|
22
|
(68)
|
Ìý
|
Ìý
|
Ìý
|
Acquisition of noncontrolling interests, net of tax |
Ìý
|
Ìý
|
(15)
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Disposition of a portion of Venator |
Ìý
|
Ìý
|
Ìý
|
(5)
|
Ìý
|
Ìý
|
Ìý
|
Balance at the end of the period |
$ (1,301)
|
$ (1,346)
|
$ (1,301)
|
$ (1,346)
|
$ (1,308)
|
$ (1,263)
|
Ìý
|