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 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Components of net periodic benefit cost        
Reduction of pension liability     $ 23  
Contributions to pension and other postretirement benefit plans     124 132
Expected contributions to pension and other postretirement benefit plans during remainder of 2012 31   31  
Noncash charge related to pension settlement loss 8      
Defined Benefit Plans
        
Components of net periodic benefit cost        
Service cost 12 18 43 51
Interest cost 36 39 109 116
Expected return on assets (45) (47) (136) (141)
Amortization of prior service cost (2) (2) (6) (5)
Amortization of actuarial loss 11 9 33 23
Settlement loss 8   8  
Net periodic benefit cost 20 17 51 44
Defined Benefit Plans | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES
        
Components of net periodic benefit cost        
Service cost 12 18 43 51
Interest cost 36 39 109 116
Expected return on assets (45) (47) (136) (141)
Amortization of prior service cost (2) (2) (6) (5)
Amortization of actuarial loss 13 9 37 26
Settlement loss 8   8  
Net periodic benefit cost 22 17 55 47
Other Postretirement Benefit Plans
        
Components of net periodic benefit cost        
Service cost 1   3 2
Interest cost 2 2 5 6
Amortization of prior service cost (1) (1) (2) (2)
Amortization of actuarial loss   1 1 1
Net periodic benefit cost 2 2 7 7
Other Postretirement Benefit Plans | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES
        
Components of net periodic benefit cost        
Service cost 1   3 2
Interest cost 2 2 5 6
Amortization of prior service cost (1) (1) (2) (2)
Amortization of actuarial loss   1 1 1
Net periodic benefit cost $ 2 $ 2 $ 7 $ 7