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, 2012
Mar. 31, 2011
Components of net periodic benefit cost    
Contributions to pension and other postretirement benefit plans $ 48 $ 62
Expected contributions to pension and other postretirement benefit plans during remainder of 2012 108  
Defined Benefit Plans
    
Components of net periodic benefit cost    
Service cost 16 16
Interest cost 37 38
Expected return on assets (46) (46)
Amortization of prior service cost (2) (1)
Amortization of actuarial loss 11 7
Net periodic benefit cost 16 14
Defined Benefit Plans | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES
    
Components of net periodic benefit cost    
Service cost 16 16
Interest cost 37 38
Expected return on assets (46) (46)
Amortization of prior service cost (2) (1)
Amortization of actuarial loss 12 8
Net periodic benefit cost 17 15
Other Postretirement Benefit Plans
    
Components of net periodic benefit cost    
Service cost 1 1
Interest cost 2 2
Amortization of prior service cost (1) (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 2 2
Amortization of prior service cost (1) (1)
Net periodic benefit cost $ 2 $ 2