Annual report pursuant to Section 13 and 15(d)

EMPLOYEE BENEFIT PLANS (Details 3)

v2.4.0.6
EMPLOYEE BENEFIT PLANS (Details 3) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
U.S. Defined Benefit Plans
      
Amounts recognized in net periodic benefit cost and other comprehensive income (loss)      
Current year actuarial loss (gain) $ 101 $ 16 $ (7)
Amortization of actuarial gain (16) (11) (7)
Amortization of prior service cost 4 4 5
Settlements     (2)
Total recognized in other comprehensive loss (income) 89 9 (11)
Net periodic benefit cost 32 25 24
Total recognized in net periodic benefit cost and other comprehensive loss (income) 121 34 13
Projected benefit obligation:      
Discount rate (as a percent) 5.30% 5.70% 5.90%
Rate of compensation increase (as a percent) 3.88% 3.88% 3.88%
Net periodic pension cost:      
Discount rate (as a percent) 5.70% 5.90% 6.47%
Rate of compensation increase (as a percent) 3.88% 3.88% 3.77%
Expected return on plan assets (as a percent) 8.19% 8.20% 8.25%
U.S. Defined Benefit Plans | Huntsman International LLC and Subsidiaries
      
Amounts recognized in net periodic benefit cost and other comprehensive income (loss)      
Current year actuarial loss (gain) 101 16 (7)
Amortization of actuarial gain (16) (11) (7)
Amortization of prior service cost 4 4 5
Settlements     (2)
Total recognized in other comprehensive loss (income) 89 9 (11)
Net periodic benefit cost 32 25 24
Total recognized in net periodic benefit cost and other comprehensive loss (income) 121 34 13
Non-U.S. Defined Benefit Plans
      
Amounts recognized in net periodic benefit cost and other comprehensive income (loss)      
Current year actuarial loss (gain) 182 20 (124)
Amortization of actuarial gain (16) (14) (27)
Current year prior service credit (2)   1
Amortization of prior service cost 2 1 1
Amortization of transition asset     (1)
Curtailment effects (38)   (12)
Total recognized in other comprehensive loss (income) 128 7 (162)
Net periodic benefit cost 36 38 70
Total recognized in net periodic benefit cost and other comprehensive loss (income) 164 45 (92)
Projected benefit obligation:      
Discount rate (as a percent) 4.39% 4.69% 4.94%
Rate of compensation increase (as a percent) 3.44% 3.38% 3.23%
Net periodic pension cost:      
Discount rate (as a percent) 4.69% 4.94% 5.04%
Rate of compensation increase (as a percent) 3.38% 3.23% 3.21%
Expected return on plan assets (as a percent) 6.62% 6.65% 6.62%
Non-U.S. Defined Benefit Plans | Huntsman International LLC and Subsidiaries
      
Amounts recognized in net periodic benefit cost and other comprehensive income (loss)      
Current year actuarial loss (gain) 182 20 (124)
Amortization of actuarial gain (21) (19) (33)
Current year prior service credit (2)   1
Amortization of prior service cost 2 1 1
Amortization of transition asset     (1)
Curtailment effects (38)   (12)
Total recognized in other comprehensive loss (income) 123 2 (168)
Net periodic benefit cost 41 43 76
Total recognized in net periodic benefit cost and other comprehensive loss (income) 164 45 (92)
U.S. Other Postretirement Benefit Plans
      
Amounts recognized in net periodic benefit cost and other comprehensive income (loss)      
Current year actuarial loss (gain) 1 5 (14)
Amortization of actuarial gain (1) (2) (1)
Current year prior service credit     (5)
Amortization of prior service cost 2 3 4
Total recognized in other comprehensive loss (income) 2 6 (16)
Net periodic benefit cost 9 8 8
Total recognized in net periodic benefit cost and other comprehensive loss (income) 11 14 (8)
Projected benefit obligation:      
Discount rate (as a percent) 5.09% 5.46% 5.59%
Net periodic pension cost:      
Discount rate (as a percent) 5.46% 5.59% 6.39%
U.S. Other Postretirement Benefit Plans | Huntsman International LLC and Subsidiaries
      
Amounts recognized in net periodic benefit cost and other comprehensive income (loss)      
Current year actuarial loss (gain) 1 5 (14)
Amortization of actuarial gain (1) (2) (1)
Current year prior service credit     (5)
Amortization of prior service cost 2 3 4
Total recognized in other comprehensive loss (income) 2 6 (16)
Net periodic benefit cost 9 8 8
Total recognized in net periodic benefit cost and other comprehensive loss (income) 11 14 (8)
Non-U.S. Other Postretirement Benefit Plans
      
Amounts recognized in net periodic benefit cost and other comprehensive income (loss)      
Net periodic benefit cost 1   3
Total recognized in net periodic benefit cost and other comprehensive loss (income) 1   3
Projected benefit obligation:      
Discount rate (as a percent) 6.09% 6.69% 7.47%
Net periodic pension cost:      
Discount rate (as a percent) 6.69% 7.47% 7.60%
Non-U.S. Other Postretirement Benefit Plans | Huntsman International LLC and Subsidiaries
      
Amounts recognized in net periodic benefit cost and other comprehensive income (loss)      
Net periodic benefit cost 1   3
Total recognized in net periodic benefit cost and other comprehensive loss (income) $ 1   $ 3