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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, 2018
Dec. 31, 2017
Dec. 31, 2016
Components of net periodic benefit cost Ìý Ìý Ìý
Amortization of actuarial loss $ 71 $ 73 $ 55
HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES Ìý Ìý Ìý
Components of net periodic benefit cost Ìý Ìý Ìý
Amortization of actuarial loss 75 76 58
Defined Benefit Plans | United States Ìý Ìý Ìý
Amounts recognized in accumulated other comprehensive loss: Ìý Ìý Ìý
Net actuarial loss 401 419 Ìý
Prior service credit (13) (15) Ìý
Total 388 404 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 26 Ìý Ìý
Prior service credit (2) Ìý Ìý
Total 24 Ìý Ìý
Components of net periodic benefit cost Ìý Ìý Ìý
Service cost 32 30 30
Interest cost 44 44 47
Expected return on assets (61) (55) (54)
Amortization of prior service benefit (2) (2) (5)
Amortization of actuarial loss 34 30 25
Settlement loss 2 Ìý Ìý
Net periodic benefit cost 49 47 43
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 402 Ìý 420
Prior service credit (13) Ìý (15)
Total 389 Ìý 405
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 27 Ìý Ìý
Prior service credit (2) Ìý Ìý
Total 25 Ìý Ìý
Components of net periodic benefit cost Ìý Ìý Ìý
Service cost 32 30 30
Interest cost 44 44 47
Expected return on assets (61) (55) (54)
Amortization of prior service benefit (2) (2) (5)
Amortization of actuarial loss 34 30 25
Settlement loss 2 Ìý Ìý
Net periodic benefit cost 49 47 43
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 784 1,000 Ìý
Prior service credit (27) (29) Ìý
Total 757 971 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 45 Ìý Ìý
Prior service credit (4) Ìý Ìý
Total 41 Ìý Ìý
Components of net periodic benefit cost Ìý Ìý Ìý
Service cost 32 33 29
Interest cost 37 35 41
Expected return on assets (109) (100) (93)
Amortization of prior service benefit (5) (5) (4)
Amortization of actuarial loss 38 45 31
Special termination benefits Ìý 1 Ìý
Net periodic benefit cost (7) 9 4
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 793 1,030 Ìý
Prior service credit (27) (29) Ìý
Total 766 1,001 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 48 Ìý Ìý
Prior service credit (4) Ìý Ìý
Total 44 Ìý Ìý
Components of net periodic benefit cost Ìý Ìý Ìý
Service cost 32 33 29
Interest cost 37 35 41
Expected return on assets (109) (100) (93)
Amortization of prior service benefit (5) (5) (4)
Amortization of actuarial loss 41 48 34
Special termination benefits Ìý 1 Ìý
Net periodic benefit cost (4) 12 7
Other Postretirement Benefit Plans | United States Ìý Ìý Ìý
Amounts recognized in accumulated other comprehensive loss: Ìý Ìý Ìý
Net actuarial loss 21 30 Ìý
Prior service credit (38) (45) Ìý
Total (17) (15) 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 1 Ìý Ìý
Prior service credit (5) Ìý Ìý
Total (4) Ìý Ìý
Components of net periodic benefit cost Ìý Ìý Ìý
Service cost 2 3 2
Interest cost 3 3 4
Amortization of prior service benefit (6) (6) (7)
Amortization of actuarial loss 2 3 2
Net periodic benefit cost 1 3 1
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 21 30 Ìý
Prior service credit (38) (45) Ìý
Total (17) (15) 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 1 Ìý Ìý
Prior service credit (5) Ìý Ìý
Total (4) Ìý Ìý
Components of net periodic benefit cost Ìý Ìý Ìý
Service cost 2 3 2
Interest cost 3 3 4
Amortization of prior service benefit (6) (6) (7)
Amortization of actuarial loss 2 3 2
Net periodic benefit cost $ 1 $ 3 $ 1