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, 2019 |
Dec. 31, 2018 |
Sep. 30, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
Balance |
$ 2,520
|
|
|
|
$ 2,620
|
|
|
|
|
$ 2,620
|
|
|
Balance (in shares) |
232,994,172
|
|
|
|
240,213,606
|
|
|
|
|
240,213,606
|
|
|
Net (loss) income attributable to Huntsman Corporation |
|
$ (340)
|
$ (11)
|
$ 414
|
$ 274
|
$ 246
|
$ 147
|
$ 167
|
$ 76
|
$ 337
|
$ 636
|
$ 326
|
Vesting of stock awards |
|
|
|
|
|
|
|
|
|
11
|
8
|
2
|
Recognition of stock-based compensation |
|
|
|
|
|
|
|
|
|
21
|
28
|
25
|
Repurchase and cancellation of stock awards |
|
|
|
|
|
|
|
|
|
(30)
|
(12)
|
(3)
|
Stock options exercised |
|
|
|
|
|
|
|
|
|
17
|
35
|
1
|
Excess tax benefit related to stock‑based compensation |
|
|
|
|
|
|
|
|
|
|
|
(3)
|
Treasury stock repurchased |
|
|
|
|
|
|
|
|
|
$ (277)
|
|
|
Treasury stock repurchased (in shares) |
(537,018)
|
|
|
|
|
|
|
|
|
(10,405,457)
|
|
|
Disposition of a portion of Venator |
|
|
|
|
|
|
|
|
|
$ 18
|
413
|
|
Costs of public offering of venator |
|
|
|
|
|
|
|
|
|
(2)
|
(58)
|
|
Accrued and unpaid dividends |
|
|
|
|
|
|
|
|
|
(1)
|
|
|
Dividends declared on common stock |
|
|
|
|
|
|
|
|
|
(156)
|
(120)
|
(120)
|
Deconsolidation of Venator |
|
|
|
|
|
|
|
|
|
(591)
|
|
|
Balance |
|
$ 2,520
|
|
|
|
$ 2,620
|
|
|
|
$ 2,520
|
$ 2,620
|
|
Balance (in shares) |
|
232,994,172
|
|
|
|
240,213,606
|
|
|
|
232,994,172
|
240,213,606
|
|
Parent |
|
|
|
|
|
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
Balance |
$ 2,520
|
|
|
|
$ 2,620
|
|
|
|
$ 1,287
|
$ 2,620
|
$ 1,287
|
1,442
|
Balance (in shares) |
232,994,172
|
|
|
|
240,213,606
|
|
|
|
|
240,213,606
|
|
|
Net (loss) income attributable to Huntsman Corporation |
|
|
|
|
|
|
|
|
|
$ 337
|
636
|
326
|
Other comprehensive income (loss) |
|
|
|
|
|
|
|
|
|
(198)
|
403
|
(383)
|
Vesting of stock awards |
|
|
|
|
|
|
|
|
|
11
|
8
|
2
|
Recognition of stock-based compensation |
|
|
|
|
|
|
|
|
|
21
|
28
|
25
|
Repurchase and cancellation of stock awards |
|
|
|
|
|
|
|
|
|
(30)
|
(12)
|
(3)
|
Stock options exercised |
|
|
|
|
|
|
|
|
|
17
|
35
|
1
|
Excess tax benefit related to stock‑based compensation |
|
|
|
|
|
|
|
|
|
|
|
(3)
|
Treasury stock repurchased |
|
|
|
|
|
|
|
|
|
(277)
|
|
|
Disposition of a portion of Venator |
|
|
|
|
|
|
|
|
|
18
|
413
|
|
Costs of public offering of venator |
|
|
|
|
|
|
|
|
|
(2)
|
(58)
|
|
Accrued and unpaid dividends |
|
|
|
|
|
|
|
|
|
(1)
|
|
|
Dividends declared on common stock |
|
|
|
|
|
|
|
|
|
(156)
|
(120)
|
(120)
|
Deconsolidation of Venator |
|
|
|
|
|
|
|
|
|
160
|
|
|
Balance |
|
$ 2,520
|
|
|
|
$ 2,620
|
|
|
|
$ 2,520
|
$ 2,620
|
$ 1,287
|
Balance (in shares) |
|
232,994,172
|
|
|
|
240,213,606
|
|
|
|
232,994,172
|
240,213,606
|
|
Common stock |
|
|
|
|
|
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
Balance (in shares) |
232,994,172
|
|
|
|
240,213,606
|
|
|
|
236,370,347
|
240,213,606
|
236,370,347
|
237,080,026
|
Vesting of stock awards (in shares) |
|
|
|
|
|
|
|
|
|
1,135,003
|
1,316,975
|
914,081
|
Repurchase and cancellation of stock awards (in shares) |
|
|
|
|
|
|
|
|
|
(259,643)
|
(402,978)
|
(256,468)
|
Stock options exercised (in shares) |
|
|
|
|
|
|
|
|
|
2,310,663
|
2,929,262
|
77,477
|
Treasury stock repurchased (in shares) |
|
|
|
|
|
|
|
|
|
(10,405,457)
|
|
(1,444,769)
|
Balance (in shares) |
|
232,994,172
|
|
|
|
240,213,606
|
|
|
|
232,994,172
|
240,213,606
|
236,370,347
|
Common stock | Parent |
|
|
|
|
|
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
Balance |
$ 3
|
|
|
|
$ 3
|
|
|
|
$ 3
|
$ 3
|
$ 3
|
$ 3
|
Balance (in shares) |
232,994,172
|
|
|
|
240,213,606
|
|
|
|
236,370,347
|
240,213,606
|
236,370,347
|
237,080,026
|
Vesting of stock awards (in shares) |
|
|
|
|
|
|
|
|
|
1,135,003
|
1,316,975
|
914,081
|
Repurchase and cancellation of stock awards (in shares) |
|
|
|
|
|
|
|
|
|
(259,643)
|
(402,978)
|
(256,468)
|
Stock options exercised (in shares) |
|
|
|
|
|
|
|
|
|
2,310,663
|
2,929,262
|
77,477
|
Treasury stock repurchased (in shares) |
|
|
|
|
|
|
|
|
|
(10,405,457)
|
|
(1,444,769)
|
Balance |
|
$ 3
|
|
|
|
$ 3
|
|
|
|
$ 3
|
$ 3
|
$ 3
|
Balance (in shares) |
|
232,994,172
|
|
|
|
240,213,606
|
|
|
|
232,994,172
|
240,213,606
|
236,370,347
|
Additional paid-in capital |
|
|
|
|
|
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
Issuance of nonvested stock awards |
|
|
|
|
|
|
|
|
|
$ 14
|
$ 18
|
$ 16
|
Vesting of stock awards |
|
|
|
|
|
|
|
|
|
11
|
8
|
2
|
Recognition of stock-based compensation |
|
|
|
|
|
|
|
|
|
8
|
10
|
9
|
Stock options exercised |
|
|
|
|
|
|
|
|
|
46
|
53
|
1
|
Excess tax benefit related to stock‑based compensation |
|
|
|
|
|
|
|
|
|
|
|
(3)
|
Treasury stock repurchased |
|
|
|
|
|
|
|
|
|
|
|
15
|
Disposition of a portion of Venator |
|
|
|
|
|
|
|
|
|
18
|
413
|
|
Costs of public offering of venator |
|
|
|
|
|
|
|
|
|
(2)
|
(58)
|
|
Additional paid-in capital | Parent |
|
|
|
|
|
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
Balance |
$ 3,984
|
|
|
|
$ 3,889
|
|
|
|
$ 3,447
|
3,889
|
3,447
|
3,407
|
Issuance of nonvested stock awards |
|
|
|
|
|
|
|
|
|
14
|
18
|
16
|
Vesting of stock awards |
|
|
|
|
|
|
|
|
|
11
|
8
|
2
|
Recognition of stock-based compensation |
|
|
|
|
|
|
|
|
|
8
|
10
|
9
|
Stock options exercised |
|
|
|
|
|
|
|
|
|
46
|
53
|
1
|
Excess tax benefit related to stock‑based compensation |
|
|
|
|
|
|
|
|
|
|
|
(3)
|
Treasury stock repurchased |
|
|
|
|
|
|
|
|
|
|
|
15
|
Disposition of a portion of Venator |
|
|
|
|
|
|
|
|
|
18
|
413
|
|
Costs of public offering of venator |
|
|
|
|
|
|
|
|
|
(2)
|
(58)
|
|
Conversion of restricted awards to Venator awards |
|
|
|
|
|
|
|
|
|
|
(2)
|
|
Balance |
|
$ 3,984
|
|
|
|
$ 3,889
|
|
|
|
3,984
|
3,889
|
3,447
|
Treasury stock |
|
|
|
|
|
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
Treasury stock repurchased |
|
|
|
|
|
|
|
|
|
(277)
|
|
(15)
|
Treasury stock | Parent |
|
|
|
|
|
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
Balance |
(427)
|
|
|
|
(150)
|
|
|
|
(150)
|
(150)
|
(150)
|
(135)
|
Treasury stock repurchased |
|
|
|
|
|
|
|
|
|
(277)
|
|
(15)
|
Balance |
|
(427)
|
|
|
|
(150)
|
|
|
|
(427)
|
(150)
|
(150)
|
Unearned stock-based compensation |
|
|
|
|
|
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
Issuance of nonvested stock awards |
|
|
|
|
|
|
|
|
|
(14)
|
(18)
|
(16)
|
Recognition of stock-based compensation |
|
|
|
|
|
|
|
|
|
13
|
18
|
16
|
Unearned stock-based compensation | Parent |
|
|
|
|
|
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
Balance |
(16)
|
|
|
|
(15)
|
|
|
|
(17)
|
(15)
|
(17)
|
(17)
|
Issuance of nonvested stock awards |
|
|
|
|
|
|
|
|
|
(14)
|
(18)
|
(16)
|
Recognition of stock-based compensation |
|
|
|
|
|
|
|
|
|
13
|
18
|
16
|
Conversion of restricted awards to Venator awards |
|
|
|
|
|
|
|
|
|
|
2
|
|
Balance |
|
(16)
|
|
|
|
(15)
|
|
|
|
(16)
|
(15)
|
(17)
|
Retained earnings (accumulated deficit) |
|
|
|
|
|
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
Repurchase and cancellation of stock awards |
|
|
|
|
|
|
|
|
|
(30)
|
(12)
|
(3)
|
Stock options exercised |
|
|
|
|
|
|
|
|
|
(29)
|
(18)
|
|
Accrued and unpaid dividends |
|
|
|
|
|
|
|
|
|
(1)
|
|
|
Dividends declared on common stock |
|
|
|
|
|
|
|
|
|
(156)
|
(120)
|
(120)
|
Retained earnings (accumulated deficit) | ASU 2016-01 |
|
|
|
|
|
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
Cumulative effect of changes in fair value of equity investments |
|
|
|
|
|
10
|
|
|
|
|
10
|
|
Retained earnings (accumulated deficit) | Parent |
|
|
|
|
|
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
Balance |
292
|
|
|
|
161
|
|
|
|
(325)
|
161
|
(325)
|
(528)
|
Net (loss) income attributable to Huntsman Corporation |
|
|
|
|
|
|
|
|
|
337
|
636
|
326
|
Repurchase and cancellation of stock awards |
|
|
|
|
|
|
|
|
|
(30)
|
(12)
|
(3)
|
Stock options exercised |
|
|
|
|
|
|
|
|
|
(29)
|
(18)
|
|
Accrued and unpaid dividends |
|
|
|
|
|
|
|
|
|
(1)
|
|
|
Dividends declared on common stock |
|
|
|
|
|
|
|
|
|
(156)
|
(120)
|
(120)
|
Balance |
|
292
|
|
|
|
161
|
|
|
|
292
|
161
|
(325)
|
Retained earnings (accumulated deficit) | Parent | ASU 2016-01 |
|
|
|
|
|
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
Cumulative effect of changes in fair value of equity investments |
|
|
|
|
|
10
|
|
|
|
|
10
|
|
Accumulated other comprehensive (loss) income |
|
|
|
|
|
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
Deconsolidation of Venator |
|
|
|
|
|
|
|
|
|
160
|
|
|
Accumulated other comprehensive (loss) income | ASU 2016-01 |
|
|
|
|
|
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
Cumulative effect of changes in fair value of equity investments |
|
|
|
|
|
(10)
|
|
|
|
|
(10)
|
|
Accumulated other comprehensive (loss) income | Parent |
|
|
|
|
|
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
Balance |
$ (1,316)
|
|
|
|
$ (1,268)
|
|
|
|
$ (1,671)
|
(1,268)
|
(1,671)
|
(1,288)
|
Other comprehensive income (loss) |
|
|
|
|
|
|
|
|
|
(198)
|
403
|
(383)
|
Deconsolidation of Venator |
|
|
|
|
|
|
|
|
|
160
|
|
|
Balance |
|
$ (1,316)
|
|
|
|
(1,268)
|
|
|
|
$ (1,316)
|
(1,268)
|
$ (1,671)
|
Accumulated other comprehensive (loss) income | Parent | ASU 2016-01 |
|
|
|
|
|
|
|
|
|
|
|
|
Increase (Decrease) in Stockholders' Equity |
|
|
|
|
|
|
|
|
|
|
|
|
Cumulative effect of changes in fair value of equity investments |
|
|
|
|
|
$ (10)
|
|
|
|
|
$ (10)
|
|