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, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Components of net periodic benefit cost        
Reduction of pension liability     $ 23  
Contributions to pension and other postretirement benefit plans     84 96
Expected contributions to pension and other postretirement benefit plans during remainder of 2012 70   70  
Defined Benefit Plans
        
Components of net periodic benefit cost        
Service cost 15 17 31 33
Interest cost 36 39 73 77
Expected return on assets (45) (48) (91) (94)
Amortization of prior service cost (2) (2) (4) (3)
Amortization of actuarial loss 11 7 22 14
Net periodic benefit cost 15 13 31 27
Defined Benefit Plans | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES
        
Components of net periodic benefit cost        
Service cost 15 17 31 33
Interest cost 36 39 73 77
Expected return on assets (45) (48) (91) (94)
Amortization of prior service cost (2) (2) (4) (3)
Amortization of actuarial loss 12 9 24 17
Net periodic benefit cost 16 15 33 30
Other Postretirement Benefit Plans
        
Components of net periodic benefit cost        
Service cost 1 1 2 2
Interest cost 1 2 3 4
Amortization of prior service cost     (1) (1)
Amortization of actuarial loss 1   1  
Net periodic benefit cost 3 3 5 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 2 3 4
Amortization of prior service cost     (1) (1)
Amortization of actuarial loss 1   1  
Net periodic benefit cost $ 3 $ 3 $ 5 $ 5