Quarterly report pursuant to Section 13 or 15(d)

EMPLOYEE BENEFIT PLANS (Details)

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EMPLOYEE BENEFIT PLANS (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Components of net periodic benefit cost        
Contributions to pension and other postretirement benefit plans     $ 76 $ 84
Expected contributions to pension and other postretirement benefit plans during remainder of 2013 91   91  
Defined Benefit Plans
        
Components of net periodic benefit cost        
Service cost 16 15 33 31
Interest cost 32 36 65 73
Expected return on plan assets (42) (45) (86) (91)
Amortization of prior service benefit (1) (2) (3) (4)
Amortization of actuarial loss 20 11 40 22
Special termination benefits     5  
Net periodic benefit cost 25 15 54 31
Defined Benefit Plans | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES
        
Components of net periodic benefit cost        
Service cost 17 15 34 31
Interest cost 32 36 65 73
Expected return on plan assets (42) (45) (86) (91)
Amortization of prior service benefit (1) (2) (3) (4)
Amortization of actuarial loss 21 12 42 24
Special termination benefits     5  
Net periodic benefit cost 27 16 57 33
Other Postretirement Benefit Plans
        
Components of net periodic benefit cost        
Service cost 1 1 2 2
Interest cost 1 1 2 3
Amortization of prior service benefit (1)   (1) (1)
Amortization of actuarial loss 1 1 1 1
Net periodic benefit cost 2 3 4 5
Other Postretirement Benefit Plans | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES
        
Components of net periodic benefit cost        
Service cost 1 1 2 2
Interest cost 1 1 2 3
Amortization of prior service benefit (1)   (1) (1)
Amortization of actuarial loss 1 1 1 1
Net periodic benefit cost $ 2 $ 3 $ 4 $ 5