Quarterly report pursuant to Section 13 or 15(d)

EMPLOYEE BENEFIT PLANS (Details)

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EMPLOYEE BENEFIT PLANS (Details) (USD $)
In Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Net periodic benefit costs        
Contributions to pension and other postretirement benefit plans     $ 96 $ 72
Expected contributions to pension and other postretirement benefit plans during remainder of 2011 68   68  
HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES | Defined Benefit Plans
        
Net periodic benefit costs        
Service cost 17 16 33 33
Interest cost 39 35 77 71
Expected return on assets (48) (40) (94) (82)
Amortization of prior service cost (2) (2) (3) (3)
Amortization of actuarial loss 9 7 17 15
Net periodic benefit cost 15 16 30 34
Defined Benefit Plans
        
Net periodic benefit costs        
Service cost 17 16 33 33
Interest cost 39 35 77 71
Expected return on assets (48) (40) (94) (82)
Amortization of prior service cost (2) (2) (3) (3)
Amortization of actuarial loss 7 6 14 12
Net periodic benefit cost 13 15 27 31
HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES | Other Postretirement Benefit Plans
        
Net periodic benefit costs        
Service cost 1 1 2 2
Interest cost 2 2 4 4
Amortization of prior service cost     (1) (1)
Net periodic benefit cost 3 3 5 5
Other Postretirement Benefit Plans
        
Net periodic benefit costs        
Service cost 1 1 2 2
Interest cost 2 2 4 4
Amortization of prior service cost     (1) (1)
Net periodic benefit cost $ 3 $ 3 $ 5 $ 5