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, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Components of net periodic benefit cost        
Reduction of pension liability       $ 23
Contributions to pension and other postretirement benefit plans     130 124
Expected contributions to pension and other postretirement benefit plans during remainder of 2013     36  
Basel, Switzerland | Workforce reductions
        
Components of net periodic benefit cost        
Noncash pension settlement loss 6      
Defined Benefit Plans
        
Components of net periodic benefit cost        
Service cost 18 12 51 43
Interest cost 32 36 97 109
Expected return on plan assets (44) (45) (130) (136)
Amortization of prior service benefit (1) (2) (4) (6)
Amortization of actuarial loss 19 11 59 33
Special termination benefits 2   7  
Settlement loss 6 8 6 8
Net periodic benefit cost 32 20 86 51
Defined Benefit Plans | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES
        
Components of net periodic benefit cost        
Service cost 17 12 51 43
Interest cost 32 36 97 109
Expected return on plan assets (44) (45) (130) (136)
Amortization of prior service benefit (1) (2) (4) (6)
Amortization of actuarial loss 22 13 64 37
Special termination benefits 2   7  
Settlement loss 6 8 6 8
Net periodic benefit cost 34 22 91 55
Other Postretirement Benefit Plans
        
Components of net periodic benefit cost        
Service cost 1 1 3 3
Interest cost 2 2 4 5
Amortization of prior service benefit (1) (1) (2) (2)
Amortization of actuarial loss 1   2 1
Net periodic benefit cost 3 2 7 7
Other Postretirement Benefit Plans | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES
        
Components of net periodic benefit cost        
Service cost 1 1 3 3
Interest cost 2 2 4 5
Amortization of prior service benefit (1) (1) (2) (2)
Amortization of actuarial loss 1   2 1
Net periodic benefit cost $ 3 $ 2 $ 7 $ 7