Annual report pursuant to Section 13 and 15(d)

EMPLOYEE BENEFIT PLANS (Details 2)

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EMPLOYEE BENEFIT PLANS (Details 2) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
U.S. Defined Benefit Plans
      
Amounts recognized in accumulated other comprehensive loss (income):      
Net actuarial loss $ 448 $ 366  
Prior service cost (42) (22)  
Transition obligation 1 1  
Total 407 345  
Amounts in accumulated other comprehensive loss that are expected to be recognized as components of net periodic benefit cost during the next fiscal year      
Actuarial loss 34    
Prior service cost (6)    
Total 28    
Components of net periodic benefit cost      
Service cost 26 23 21
Interest cost 42 44 40
Expected return on plan assets (48) (47) (42)
Amortization of prior service cost (6) (4) (5)
Amortization of actuarial loss 21 16 11
Net periodic benefit cost 35 32 25
U.S. Defined Benefit Plans | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES
      
Amounts recognized in accumulated other comprehensive loss (income):      
Net actuarial loss 449 368  
Prior service cost (42) (22)  
Transition obligation 1 1  
Total 408 347  
Amounts in accumulated other comprehensive loss that are expected to be recognized as components of net periodic benefit cost during the next fiscal year      
Actuarial loss 34    
Prior service cost (6)    
Total 28    
Components of net periodic benefit cost      
Service cost 26 23 21
Interest cost 42 44 40
Expected return on plan assets (48) (47) (42)
Amortization of prior service cost (6) (4) (5)
Amortization of actuarial loss 21 16 11
Net periodic benefit cost 35 32 25
Non-U.S. Defined Benefit Plans
      
Amounts recognized in accumulated other comprehensive loss (income):      
Net actuarial loss 797 562  
Prior service cost 4 2  
Total 801 564  
Amounts in accumulated other comprehensive loss that are expected to be recognized as components of net periodic benefit cost during the next fiscal year      
Actuarial loss 46    
Total 46    
Components of net periodic benefit cost      
Service cost 32 44 44
Interest cost 102 110 102
Expected return on plan assets (133) (140) (121)
Amortization of prior service cost (1) (2) (1)
Amortization of actuarial loss 23 16 14
Settlement loss 13    
Special termination benefits   8  
Net periodic benefit cost 36 36 38
Non-U.S. Defined Benefit Plans | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES
      
Amounts recognized in accumulated other comprehensive loss (income):      
Net actuarial loss 867 636  
Prior service cost 4 2  
Total 871 638  
Amounts in accumulated other comprehensive loss that are expected to be recognized as components of net periodic benefit cost during the next fiscal year      
Actuarial loss 50    
Prior service cost 1    
Total 51    
Components of net periodic benefit cost      
Service cost 32 44 44
Interest cost 102 110 102
Expected return on plan assets (133) (140) (121)
Amortization of prior service cost (1) (2) (1)
Amortization of actuarial loss 28 21 19
Settlement loss 13    
Special termination benefits   8  
Net periodic benefit cost 41 41 43
U.S. Other Postretirement Benefit Plans
      
Amounts recognized in accumulated other comprehensive loss (income):      
Net actuarial loss 32 25  
Prior service cost (8) (10)  
Total 24 15  
Amounts in accumulated other comprehensive loss that are expected to be recognized as components of net periodic benefit cost during the next fiscal year      
Actuarial loss 2    
Prior service cost (3)    
Total (1)    
Components of net periodic benefit cost      
Service cost 4 3 3
Interest cost 6 7 7
Amortization of prior service cost (3) (3) (3)
Amortization of actuarial loss 2 2 1
Net periodic benefit cost 10 9 8
U.S. Other Postretirement Benefit Plans | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES
      
Amounts recognized in accumulated other comprehensive loss (income):      
Net actuarial loss 32 25  
Prior service cost (8) (10)  
Total 24 15  
Amounts in accumulated other comprehensive loss that are expected to be recognized as components of net periodic benefit cost during the next fiscal year      
Actuarial loss 2    
Prior service cost (3)    
Total (1)    
Components of net periodic benefit cost      
Service cost 4 3 3
Interest cost 7 7 7
Amortization of prior service cost (3) (3) (3)
Amortization of actuarial loss 2 2 1
Net periodic benefit cost 10 9 8
Non-U.S. Other Postretirement Benefit Plans
      
Amounts recognized in accumulated other comprehensive loss (income):      
Net actuarial loss 1 1  
Total 1 1  
Components of net periodic benefit cost      
Interest cost 1 1  
Net periodic benefit cost 1 1  
Non-U.S. Other Postretirement Benefit Plans | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES
      
Amounts recognized in accumulated other comprehensive loss (income):      
Net actuarial loss 1 1  
Total 1 1  
Components of net periodic benefit cost      
Interest cost 1 1  
Net periodic benefit cost $ 1 $ 1