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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, 2019
Dec. 31, 2018
Dec. 31, 2017
Components of net periodic benefit cost Ìý Ìý Ìý
Amortization of actuarial loss $ 66 $ 67 $ 69
HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES Ìý Ìý Ìý
Components of net periodic benefit cost Ìý Ìý Ìý
Amortization of actuarial loss 70 71 72
Defined Benefit Plans | United States Ìý Ìý Ìý
Amounts recognized in accumulated other comprehensive loss: Ìý Ìý Ìý
Net actuarial loss 394 401 Ìý
Prior service credit (11) (13) Ìý
Total 383 388 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 28 Ìý Ìý
Prior service credit (2) Ìý Ìý
Total 26 Ìý Ìý
Components of net periodic benefit cost Ìý Ìý Ìý
Service cost 20 23 22
Interest cost 41 39 39
Expected return on assets (53) (54) (48)
Amortization of prior service benefit (2) (2) (2)
Amortization of actuarial loss 23 31 27
Settlement loss Ìý 2 Ìý
Net periodic benefit cost (credit) 29 39 38
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 395 402 Ìý
Prior service credit (11) (13) Ìý
Total 384 389 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 28 Ìý Ìý
Prior service credit (2) Ìý Ìý
Total 26 Ìý Ìý
Components of net periodic benefit cost Ìý Ìý Ìý
Service cost 20 23 22
Interest cost 41 39 39
Expected return on assets (53) (54) (48)
Amortization of prior service benefit (2) (2) (2)
Amortization of actuarial loss 23 31 27
Settlement loss Ìý 2 Ìý
Net periodic benefit cost (credit) 29 39 38
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 840 784 Ìý
Prior service credit (32) (27) Ìý
Total 808 757 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 53 Ìý Ìý
Prior service credit (5) Ìý Ìý
Total 48 Ìý Ìý
Components of net periodic benefit cost Ìý Ìý Ìý
Service cost 30 32 33
Interest cost 37 37 35
Expected return on assets (102) (109) (100)
Amortization of prior service benefit (4) (5) (5)
Amortization of actuarial loss 45 38 45
Settlement loss 1 Ìý Ìý
Special termination benefits Ìý Ìý 1
Net periodic benefit cost (credit) 7 (7) 9
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 846 793 Ìý
Prior service credit (31) (27) Ìý
Total 815 766 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 56 Ìý Ìý
Prior service credit (5) Ìý Ìý
Total 51 Ìý Ìý
Components of net periodic benefit cost Ìý Ìý Ìý
Service cost 30 32 33
Interest cost 37 37 35
Expected return on assets (102) (109) (100)
Amortization of prior service benefit (4) (5) (5)
Amortization of actuarial loss 48 41 48
Settlement loss 1 Ìý Ìý
Special termination benefits Ìý Ìý 1
Net periodic benefit cost (credit) 10 (4) 12
Other Postretirement Benefit Plans | United States Ìý Ìý Ìý
Amounts recognized in accumulated other comprehensive loss: Ìý Ìý Ìý
Net actuarial loss 20 21 Ìý
Prior service credit (33) (38) Ìý
Total (13) (17) 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 1 2 2
Interest cost 3 2 3
Amortization of prior service benefit (5) (5) (6)
Amortization of actuarial loss 1 2 3
Net periodic benefit cost (credit) Ìý 1 2
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 20 21 Ìý
Prior service credit (33) (38) Ìý
Total (13) (17) 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 1 2 2
Interest cost 3 2 3
Amortization of prior service benefit (5) (5) (6)
Amortization of actuarial loss $ 1 2 3
Net periodic benefit cost (credit) Ìý $ 1 $ 2