Quarterly report pursuant to Section 13 or 15(d)

EMPLOYEE BENEFIT PLANS (Details)

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EMPLOYEE BENEFIT PLANS (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Components of net periodic benefit cost    
Amortization of actuarial loss $ 22 $ 16
Contributions to pension and other postretirement benefit plans 16 20
Expected contributions to pension and other postretirement benefit plans during remainder of 2016 101  
Huntsman International    
Components of net periodic benefit cost    
Amortization of actuarial loss 24 16
Defined Benefit Plans    
Components of net periodic benefit cost    
Service cost 17 16
Interest cost 25 30
Expected return on plan assets (48) (47)
Amortization of prior service credit (2) (2)
Amortization of actuarial loss 22 16
Net periodic benefit cost 14 13
Defined Benefit Plans | Huntsman International    
Components of net periodic benefit cost    
Service cost 17 16
Interest cost 25 30
Expected return on plan assets (48) (47)
Amortization of prior service credit (2) (2)
Amortization of actuarial loss 24 18
Net periodic benefit cost 16 15
Other Postretirement Benefit Plans    
Components of net periodic benefit cost    
Service cost   1
Interest cost 1 1
Amortization of prior service credit (2) (2)
Amortization of actuarial loss 1 1
Net periodic benefit cost   1
Other Postretirement Benefit Plans | Huntsman International    
Components of net periodic benefit cost    
Service cost   1
Interest cost 1 1
Amortization of prior service credit (2) (2)
Amortization of actuarial loss $ 1 1
Net periodic benefit cost   $ 1