Schedule I - Condensed Financial Information of Registrant (PARENT ONLY) - STATEMENTS OF STOCKHOLDERS' EQUITY (Details) - USD ($) $ in Millions |
1 Months Ended |
3 Months Ended |
12 Months Ended |
Jan. 31, 2020 |
Dec. 31, 2019 |
Sep. 30, 2019 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Dec. 31, 2018 |
Sep. 30, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
| Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
| Balance |
$ 2,687
|
|
|
|
$ 2,520
|
|
|
|
|
$ 2,520
|
|
|
| Balance (in shares) |
224,295,868
|
|
|
|
232,994,172
|
|
|
|
|
232,994,172
|
|
|
| Net income (loss) attributable to Huntsman Corporation |
|
$ 303
|
$ 30
|
$ 110
|
$ 119
|
$ (340)
|
$ (11)
|
$ 414
|
$ 274
|
$ 562
|
$ 337
|
$ 636
|
| Vesting of stock awards |
|
|
|
|
|
|
|
|
|
7
|
11
|
8
|
| Recognition of stock-based compensation |
|
|
|
|
|
|
|
|
|
23
|
21
|
28
|
| Repurchase and cancellation of stock awards |
|
|
|
|
|
|
|
|
|
(12)
|
(30)
|
(12)
|
| Stock options exercised |
|
|
|
|
|
|
|
|
|
2
|
17
|
35
|
| Treasury stock repurchased |
$ (7)
|
|
|
|
|
|
|
|
|
$ (208)
|
(277)
|
|
| Treasury stock repurchased (in shares) |
(336,478)
|
|
|
|
|
|
|
|
|
(10,099,892)
|
|
|
| Disposition of a portion of Venator |
|
|
|
|
|
|
|
|
|
|
18
|
413
|
| Costs of the IPO and secondary offering of Venator |
|
|
|
|
|
|
|
|
|
|
(2)
|
(58)
|
| Deconsolidation of Venator |
|
|
|
|
|
|
|
|
|
|
(591)
|
|
| Acquisition of noncontrolling interests, net of tax |
|
|
|
|
|
|
|
|
|
$ (84)
|
|
|
| Dividends declared to noncontrolling interests |
|
|
|
|
|
|
|
|
|
65
|
69
|
34
|
| Accrued and unpaid dividends |
|
|
|
|
|
|
|
|
|
|
(1)
|
|
| Dividends declared on common stock |
|
|
|
|
|
|
|
|
|
(150)
|
(156)
|
$ (120)
|
| Balance |
|
$ 2,687
|
|
|
|
$ 2,520
|
|
|
|
$ 2,687
|
$ 2,520
|
|
| Balance (in shares) |
|
224,295,868
|
|
|
|
232,994,172
|
|
|
|
224,295,868
|
232,994,172
|
|
| Common stock |
|
|
|
|
|
|
|
|
|
|
|
|
| Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
| Balance (in shares) |
224,295,868
|
|
|
|
232,994,172
|
|
|
|
240,213,606
|
232,994,172
|
240,213,606
|
236,370,347
|
| Vesting of stock awards (in shares) |
|
|
|
|
|
|
|
|
|
1,643,368
|
1,135,003
|
1,316,975
|
| Repurchase and cancellation of stock awards (in shares) |
|
|
|
|
|
|
|
|
|
(488,441)
|
(259,643)
|
(402,978)
|
| Stock options exercised (in shares) |
|
|
|
|
|
|
|
|
|
246,661
|
2,310,663
|
2,929,262
|
| Treasury stock repurchased (in shares) |
|
|
|
|
|
|
|
|
|
(10,099,892)
|
(10,405,457)
|
|
| Balance (in shares) |
|
224,295,868
|
|
|
|
232,994,172
|
|
|
|
224,295,868
|
232,994,172
|
240,213,606
|
| Additional paid-in capital |
|
|
|
|
|
|
|
|
|
|
|
|
| Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
| Issuance of nonvested stock awards |
|
|
|
|
|
|
|
|
|
$ 17
|
$ 14
|
$ 18
|
| Vesting of stock awards |
|
|
|
|
|
|
|
|
|
7
|
11
|
8
|
| Recognition of stock-based compensation |
|
|
|
|
|
|
|
|
|
7
|
8
|
10
|
| Stock options exercised |
|
|
|
|
|
|
|
|
|
4
|
46
|
53
|
| Disposition of a portion of Venator |
|
|
|
|
|
|
|
|
|
|
18
|
413
|
| Costs of the IPO and secondary offering of Venator |
|
|
|
|
|
|
|
|
|
|
(2)
|
(58)
|
| Acquisition of noncontrolling interests, net of tax |
|
|
|
|
|
|
|
|
|
(11)
|
|
|
| Treasury stock |
|
|
|
|
|
|
|
|
|
|
|
|
| Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
| Treasury stock repurchased |
|
|
|
|
|
|
|
|
|
(208)
|
(277)
|
|
| Unearned stock-based compensation |
|
|
|
|
|
|
|
|
|
|
|
|
| Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
| Issuance of nonvested stock awards |
|
|
|
|
|
|
|
|
|
(17)
|
(14)
|
(18)
|
| Recognition of stock-based compensation |
|
|
|
|
|
|
|
|
|
16
|
13
|
18
|
| (Accumulated deficit) retained earnings |
|
|
|
|
|
|
|
|
|
|
|
|
| Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
| Cumulative effect of changes in fair value of equity investments |
|
|
|
|
|
|
|
|
|
|
|
10
|
| Repurchase and cancellation of stock awards |
|
|
|
|
|
|
|
|
|
(12)
|
(30)
|
(12)
|
| Stock options exercised |
|
|
|
|
|
|
|
|
|
(2)
|
(29)
|
(18)
|
| Accrued and unpaid dividends |
|
|
|
|
|
|
|
|
|
|
(1)
|
|
| Dividends declared on common stock |
|
|
|
|
|
|
|
|
|
(150)
|
(156)
|
(120)
|
| Accumulated other comprehensive loss |
|
|
|
|
|
|
|
|
|
|
|
|
| Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
| Cumulative effect of changes in fair value of equity investments |
|
|
|
|
|
|
|
|
|
|
|
(10)
|
| Deconsolidation of Venator |
|
|
|
|
|
|
|
|
|
|
160
|
|
| Reportable legal entities | Parent |
|
|
|
|
|
|
|
|
|
|
|
|
| Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
| Balance |
$ 2,687
|
|
|
|
$ 2,520
|
|
|
|
$ 2,620
|
$ 2,520
|
2,620
|
1,287
|
| Balance (in shares) |
224,295,868
|
|
|
|
232,994,172
|
|
|
|
|
232,994,172
|
|
|
| Net income (loss) attributable to Huntsman Corporation |
|
|
|
|
|
|
|
|
|
$ 562
|
337
|
636
|
| Other comprehensive income (loss) |
|
|
|
|
|
|
|
|
|
(46)
|
(198)
|
403
|
| Vesting of stock awards |
|
|
|
|
|
|
|
|
|
7
|
11
|
8
|
| Recognition of stock-based compensation |
|
|
|
|
|
|
|
|
|
23
|
21
|
28
|
| Repurchase and cancellation of stock awards |
|
|
|
|
|
|
|
|
|
(12)
|
(30)
|
(12)
|
| Stock options exercised |
|
|
|
|
|
|
|
|
|
2
|
17
|
35
|
| Treasury stock repurchased |
|
|
|
|
|
|
|
|
|
(208)
|
(277)
|
|
| Disposition of a portion of Venator |
|
|
|
|
|
|
|
|
|
|
18
|
413
|
| Costs of the IPO and secondary offering of Venator |
|
|
|
|
|
|
|
|
|
|
(2)
|
(58)
|
| Deconsolidation of Venator |
|
|
|
|
|
|
|
|
|
|
160
|
|
| Acquisition of noncontrolling interests, net of tax |
|
|
|
|
|
|
|
|
|
(11)
|
|
|
| Accrued and unpaid dividends |
|
|
|
|
|
|
|
|
|
|
(1)
|
|
| Dividends declared on common stock |
|
|
|
|
|
|
|
|
|
(150)
|
(156)
|
(120)
|
| Balance |
|
$ 2,687
|
|
|
|
$ 2,520
|
|
|
|
$ 2,687
|
$ 2,520
|
2,620
|
| Balance (in shares) |
|
224,295,868
|
|
|
|
232,994,172
|
|
|
|
224,295,868
|
232,994,172
|
|
| Reportable legal entities | Common stock | Parent |
|
|
|
|
|
|
|
|
|
|
|
|
| Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
| Balance |
$ 3
|
|
|
|
$ 3
|
|
|
|
$ 3
|
$ 3
|
$ 3
|
$ 3
|
| Balance (in shares) |
224,295,868
|
|
|
|
232,994,172
|
|
|
|
240,213,606
|
232,994,172
|
240,213,606
|
236,370,347
|
| Vesting of stock awards (in shares) |
|
|
|
|
|
|
|
|
|
1,643,368
|
1,135,003
|
1,316,975
|
| Repurchase and cancellation of stock awards (in shares) |
|
|
|
|
|
|
|
|
|
(488,441)
|
(259,643)
|
(402,978)
|
| Stock options exercised (in shares) |
|
|
|
|
|
|
|
|
|
246,661
|
2,310,663
|
2,929,262
|
| Treasury stock repurchased (in shares) |
|
|
|
|
|
|
|
|
|
(10,099,892)
|
(10,405,457)
|
|
| Balance |
|
$ 3
|
|
|
|
$ 3
|
|
|
|
$ 3
|
$ 3
|
$ 3
|
| Balance (in shares) |
|
224,295,868
|
|
|
|
232,994,172
|
|
|
|
224,295,868
|
232,994,172
|
240,213,606
|
| Reportable legal entities | Additional paid-in capital | Parent |
|
|
|
|
|
|
|
|
|
|
|
|
| Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
| Balance |
$ 4,008
|
|
|
|
$ 3,984
|
|
|
|
$ 3,889
|
$ 3,984
|
$ 3,889
|
$ 3,447
|
| Issuance of nonvested stock awards |
|
|
|
|
|
|
|
|
|
17
|
14
|
18
|
| Vesting of stock awards |
|
|
|
|
|
|
|
|
|
7
|
11
|
8
|
| Recognition of stock-based compensation |
|
|
|
|
|
|
|
|
|
7
|
8
|
10
|
| Stock options exercised |
|
|
|
|
|
|
|
|
|
4
|
46
|
53
|
| Disposition of a portion of Venator |
|
|
|
|
|
|
|
|
|
|
18
|
413
|
| Costs of the IPO and secondary offering of Venator |
|
|
|
|
|
|
|
|
|
|
(2)
|
(58)
|
| Conversion of restricted awards to Venator awards |
|
|
|
|
|
|
|
|
|
|
|
(2)
|
| Acquisition of noncontrolling interests, net of tax |
|
|
|
|
|
|
|
|
|
(11)
|
|
|
| Balance |
|
$ 4,008
|
|
|
|
$ 3,984
|
|
|
|
4,008
|
3,984
|
3,889
|
| Reportable legal entities | Treasury stock | Parent |
|
|
|
|
|
|
|
|
|
|
|
|
| Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
| Balance |
(635)
|
|
|
|
(427)
|
|
|
|
(150)
|
(427)
|
(150)
|
(150)
|
| Treasury stock repurchased |
|
|
|
|
|
|
|
|
|
(208)
|
(277)
|
|
| Balance |
|
(635)
|
|
|
|
(427)
|
|
|
|
(635)
|
(427)
|
(150)
|
| Reportable legal entities | Unearned stock-based compensation | Parent |
|
|
|
|
|
|
|
|
|
|
|
|
| Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
| Balance |
(17)
|
|
|
|
(16)
|
|
|
|
(15)
|
(16)
|
(15)
|
(17)
|
| Issuance of nonvested stock awards |
|
|
|
|
|
|
|
|
|
(17)
|
(14)
|
(18)
|
| Recognition of stock-based compensation |
|
|
|
|
|
|
|
|
|
16
|
13
|
18
|
| Conversion of restricted awards to Venator awards |
|
|
|
|
|
|
|
|
|
|
|
2
|
| Balance |
|
(17)
|
|
|
|
(16)
|
|
|
|
(17)
|
(16)
|
(15)
|
| Reportable legal entities | (Accumulated deficit) retained earnings | Parent |
|
|
|
|
|
|
|
|
|
|
|
|
| Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
| Balance |
690
|
|
|
|
292
|
|
|
|
161
|
292
|
161
|
(325)
|
| Cumulative effect of changes in fair value of equity investments |
|
|
|
|
|
|
|
|
|
|
|
10
|
| Net income (loss) attributable to Huntsman Corporation |
|
|
|
|
|
|
|
|
|
562
|
337
|
636
|
| Repurchase and cancellation of stock awards |
|
|
|
|
|
|
|
|
|
(12)
|
(30)
|
(12)
|
| Stock options exercised |
|
|
|
|
|
|
|
|
|
(2)
|
(29)
|
(18)
|
| Accrued and unpaid dividends |
|
|
|
|
|
|
|
|
|
|
(1)
|
|
| Dividends declared on common stock |
|
|
|
|
|
|
|
|
|
(150)
|
(156)
|
(120)
|
| Balance |
|
690
|
|
|
|
292
|
|
|
|
690
|
292
|
161
|
| Reportable legal entities | Accumulated other comprehensive loss | Parent |
|
|
|
|
|
|
|
|
|
|
|
|
| Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
| Balance |
$ (1,362)
|
|
|
|
$ (1,316)
|
|
|
|
$ (1,268)
|
(1,316)
|
(1,268)
|
(1,671)
|
| Cumulative effect of changes in fair value of equity investments |
|
|
|
|
|
|
|
|
|
|
|
(10)
|
| Other comprehensive income (loss) |
|
|
|
|
|
|
|
|
|
(46)
|
(198)
|
403
|
| Deconsolidation of Venator |
|
|
|
|
|
|
|
|
|
|
160
|
|
| Balance |
|
$ (1,362)
|
|
|
|
$ (1,316)
|
|
|
|
$ (1,362)
|
$ (1,316)
|
$ (1,268)
|