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 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
EMPLOYEE BENEFIT PLANS        
Contributions to pension and other postretirement benefit plans     $ 83 $ 113
Expected contributions to pension and other postretirement benefit plans during remainder of 2015     $ 17  
Workforce reductions        
EMPLOYEE BENEFIT PLANS        
Noncash pension-related charges     11
Defined Benefit Plans        
Components of net periodic benefit cost        
Service cost $ 18 $ 14 $ 54 44
Interest cost 31 36 92 110
Expected return on assets (50) (48) (150) (146)
Amortization of prior service benefit (2) (1) (4) (4)
Amortization of actuarial loss 20 13 57 39
Special termination benefits     3 3
Settlement loss   10   11
Net periodic benefit cost 17 24 52 57
Defined Benefit Plans | Huntsman International        
Components of net periodic benefit cost        
Service cost 18 14 54 44
Interest cost 31 36 92 110
Expected return on assets (50) (48) (150) (146)
Amortization of prior service benefit (2) (1) (4) (4)
Amortization of actuarial loss 22 15 63 45
Special termination benefits     3 3
Settlement loss   10   11
Net periodic benefit cost 19 26 58 63
Other Postretirement Benefit Plans        
Components of net periodic benefit cost        
Service cost 1 1 3 2
Interest cost 1 1 4 4
Amortization of prior service benefit (1) (1) (3) (3)
Amortization of actuarial loss     2 1
Net periodic benefit cost 1 1 6 4
Other Postretirement Benefit Plans | Huntsman International        
Components of net periodic benefit cost        
Service cost 1 1 3 2
Interest cost 1 1 4 4
Amortization of prior service benefit (1) (1) (3) (3)
Amortization of actuarial loss     2 1
Net periodic benefit cost $ 1 $ 1 $ 6 $ 4