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
Mar. 31, 2013
Mar. 31, 2012
Components of net periodic benefit cost    
Contributions to pension and other postretirement benefit plans $ 31 $ 48
Expected contributions to pension and other postretirement benefit plans during remainder of 2013 113  
Defined Benefit Plans
    
Components of net periodic benefit cost    
Service cost 17 16
Interest cost 33 37
Expected return on plan assets (44) (46)
Amortization of prior service benefit (2) (2)
Amortization of actuarial loss 20 11
Special termination benefits 5  
Net periodic benefit cost 29 16
Defined Benefit Plans | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES
    
Components of net periodic benefit cost    
Service cost 17 16
Interest cost 33 37
Expected return on plan assets (44) (46)
Amortization of prior service benefit (2) (2)
Amortization of actuarial loss 21 12
Special termination benefits 5  
Net periodic benefit cost 30 17
Other Postretirement Benefit Plans
    
Components of net periodic benefit cost    
Service cost 1 1
Interest cost 1 2
Amortization of prior service benefit   (1)
Net periodic benefit cost 2 2
Other Postretirement Benefit Plans | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES
    
Components of net periodic benefit cost    
Service cost 1 1
Interest cost 1 2
Amortization of prior service benefit   (1)
Net periodic benefit cost $ 2 $ 2