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Annual report pursuant to Section 13 and 15(d)

EMPLOYEE BENEFIT PLANS - AMOUNTS RECOGNIZED AND AMOUNTS EXPECTED TO BE RECOGNIZED IN OTHER COMPREHENSIVE INCOME LOSS AND COMPONENTS OF NET PERIODIC BENEFIT COST (Details)

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EMPLOYEE BENEFIT PLANS - AMOUNTS RECOGNIZED AND AMOUNTS EXPECTED TO BE RECOGNIZED IN OTHER COMPREHENSIVE INCOME LOSS AND COMPONENTS OF NET PERIODIC BENEFIT COST (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Components of net periodic benefit cost Ìý Ìý Ìý
Amortization of actuarial loss $ 73 $ 55 $ 66
HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES Ìý Ìý Ìý
Components of net periodic benefit cost Ìý Ìý Ìý
Amortization of actuarial loss 76 58 68
Defined Benefit Plans | United States Ìý Ìý Ìý
Amounts recognized in accumulated other comprehensive loss: Ìý Ìý Ìý
Net actuarial loss 419 407 Ìý
Prior service credit (15) (17) Ìý
Total 404 390 Ìý
Amounts in accumulated other comprehensive loss that are expected to be recognized as components of net periodic benefit cost during the next fiscal year Ìý Ìý Ìý
Actuarial loss 33 Ìý Ìý
Prior service credit (2) Ìý Ìý
Total 31 Ìý Ìý
Components of net periodic benefit cost Ìý Ìý Ìý
Service cost 30 30 32
Interest cost 44 47 42
Expected return on plan assets (55) (54) (56)
Amortization of prior service credit (2) (5) (6)
Amortization of actuarial loss 30 25 32
Net periodic benefit cost 47 43 44
Defined Benefit Plans | United States | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES Ìý Ìý Ìý
Amounts recognized in accumulated other comprehensive loss: Ìý Ìý Ìý
Net actuarial loss 420 408 Ìý
Prior service credit (15) (17) Ìý
Total 405 391 Ìý
Amounts in accumulated other comprehensive loss that are expected to be recognized as components of net periodic benefit cost during the next fiscal year Ìý Ìý Ìý
Actuarial loss 33 Ìý Ìý
Prior service credit (2) Ìý Ìý
Total 31 Ìý Ìý
Components of net periodic benefit cost Ìý Ìý Ìý
Service cost 30 30 32
Interest cost 44 47 42
Expected return on plan assets (55) (54) (56)
Amortization of prior service credit (2) (5) (6)
Amortization of actuarial loss 30 25 32
Net periodic benefit cost 47 43 44
Defined Benefit Plans | Non-U.S. Defined Benefit Plans Ìý Ìý Ìý
Amounts recognized in accumulated other comprehensive loss: Ìý Ìý Ìý
Net actuarial loss 1,000 1,100 Ìý
Prior service credit (29) (31) Ìý
Total 971 1,069 Ìý
Amounts in accumulated other comprehensive loss that are expected to be recognized as components of net periodic benefit cost during the next fiscal year Ìý Ìý Ìý
Actuarial loss 38 Ìý Ìý
Prior service credit (5) Ìý Ìý
Total 33 Ìý Ìý
Components of net periodic benefit cost Ìý Ìý Ìý
Service cost 33 29 34
Interest cost 35 41 45
Expected return on plan assets (100) (93) (93)
Amortization of prior service credit (5) (4) (1)
Amortization of actuarial loss 45 31 34
Special termination benefits 1 Ìý 1
Net periodic benefit cost 9 4 20
Defined Benefit Plans | Non-U.S. Defined Benefit Plans | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES Ìý Ìý Ìý
Amounts recognized in accumulated other comprehensive loss: Ìý Ìý Ìý
Net actuarial loss 1,030 1,137 Ìý
Prior service credit (29) (31) Ìý
Total 1,001 1,106 Ìý
Amounts in accumulated other comprehensive loss that are expected to be recognized as components of net periodic benefit cost during the next fiscal year Ìý Ìý Ìý
Actuarial loss 41 Ìý Ìý
Prior service credit (5) Ìý Ìý
Total 36 Ìý Ìý
Components of net periodic benefit cost Ìý Ìý Ìý
Service cost 33 29 34
Interest cost 35 41 45
Expected return on plan assets (100) (93) (93)
Amortization of prior service credit (5) (4) (1)
Amortization of actuarial loss 48 34 37
Special termination benefits 1 Ìý 1
Net periodic benefit cost 12 7 23
Other Postretirement Benefit Plans | United States Ìý Ìý Ìý
Amounts recognized in accumulated other comprehensive loss: Ìý Ìý Ìý
Net actuarial loss 30 45 Ìý
Prior service credit (45) (51) Ìý
Total (15) (6) Ìý
Amounts in accumulated other comprehensive loss that are expected to be recognized as components of net periodic benefit cost during the next fiscal year Ìý Ìý Ìý
Actuarial loss 2 Ìý Ìý
Prior service credit (6) Ìý Ìý
Total (4) Ìý Ìý
Components of net periodic benefit cost Ìý Ìý Ìý
Service cost 3 2 4
Interest cost 3 4 5
Amortization of prior service credit (6) (7) (5)
Amortization of actuarial loss 3 2 3
Net periodic benefit cost 3 1 7
Other Postretirement Benefit Plans | United States | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES Ìý Ìý Ìý
Amounts recognized in accumulated other comprehensive loss: Ìý Ìý Ìý
Net actuarial loss 30 45 Ìý
Prior service credit (45) (51) Ìý
Total (15) (6) Ìý
Amounts in accumulated other comprehensive loss that are expected to be recognized as components of net periodic benefit cost during the next fiscal year Ìý Ìý Ìý
Actuarial loss 2 Ìý Ìý
Prior service credit (6) Ìý Ìý
Total (4) Ìý Ìý
Components of net periodic benefit cost Ìý Ìý Ìý
Service cost 3 2 4
Interest cost 3 4 5
Amortization of prior service credit (6) (7) (5)
Amortization of actuarial loss 3 2 3
Net periodic benefit cost $ 3 1 $ 7
Other Postretirement Benefit Plans | Non-U.S. Defined Benefit Plans Ìý Ìý Ìý
Amounts recognized in accumulated other comprehensive loss: Ìý Ìý Ìý
Net actuarial loss Ìý 1 Ìý
Prior service credit Ìý (2) Ìý
Total Ìý (1) Ìý
Other Postretirement Benefit Plans | Non-U.S. Defined Benefit Plans | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES Ìý Ìý Ìý
Amounts recognized in accumulated other comprehensive loss: Ìý Ìý Ìý
Net actuarial loss Ìý 1 Ìý
Prior service credit Ìý (2) Ìý
Total Ìý $ (1) Ìý