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 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
EMPLOYEE BENEFIT PLANS        
Contributions to pension and other postretirement benefit plans     $ 55 $ 60
Expected contributions to pension and other postretirement benefit plans during remainder of 2015     45  
Defined Benefit Plans        
Components of net periodic benefit cost        
Service cost $ 17 $ 15 36 30
Interest cost 30 37 61 74
Expected return on assets (49) (49) (100) (98)
Amortization of prior service benefit   (2) (2) (3)
Amortization of actuarial loss 18 13 37 26
Special termination benefits 3   3 3
Settlement loss       1
Net periodic benefit cost 19 14 35 33
Defined Benefit Plans | Huntsman International        
Components of net periodic benefit cost        
Service cost 17 15 36 30
Interest cost 30 37 61 74
Expected return on assets (49) (49) (100) (98)
Amortization of prior service benefit   (2) (2) (3)
Amortization of actuarial loss 20 15 41 30
Special termination benefits 3   3 3
Settlement loss       1
Net periodic benefit cost 21 16 39 37
Other Postretirement Benefit Plans        
Components of net periodic benefit cost        
Service cost 1   2 1
Interest cost 2 2 3 3
Amortization of prior service benefit (1) (1) (2) (2)
Amortization of actuarial loss 1 1 2 1
Net periodic benefit cost 3 2 5 3
Other Postretirement Benefit Plans | Huntsman International        
Components of net periodic benefit cost        
Service cost 1   2 1
Interest cost 2 2 3 3
Amortization of prior service benefit (1) (1) (2) (2)
Amortization of actuarial loss 1 1 2 1
Net periodic benefit cost $ 3 $ 2 $ 5 $ 3