Quarterly report pursuant to Section 13 or 15(d)

EMPLOYEE BENEFIT PLANS (Details)

v3.8.0.1
EMPLOYEE BENEFIT PLANS (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Components of net periodic benefit cost        
Amortization of actuarial loss $ 19 $ 14 $ 55 $ 42
Contributions to pension and other postretirement benefit plans     80 38
Expected contributions to pension and other postretirement benefit plans during remainder of 2017     17  
Huntsman International        
Components of net periodic benefit cost        
Amortization of actuarial loss 20 15 57 44
Defined Benefit Plans        
Components of net periodic benefit cost        
Service cost 16 15 47 44
Interest cost 20 22 59 67
Expected return on plan assets (39) (37) (116) (111)
Amortization of prior service credit (2) (2) (5) (7)
Amortization of actuarial loss 19 15 56 43
Special termination benefits     1  
Net periodic benefit cost 14 13 42 36
Defined Benefit Plans | Huntsman International        
Components of net periodic benefit cost        
Service cost 16 15 47 44
Interest cost 20 22 59 67
Expected return on plan assets (39) (37) (116) (111)
Amortization of prior service credit (2) (2) (5) (7)
Amortization of actuarial loss 20 16 58 45
Special termination benefits     1  
Net periodic benefit cost 15 14 44 38
Other Postretirement Benefit Plans        
Components of net periodic benefit cost        
Service cost 1 1 2 2
Interest cost 1 1 3 3
Amortization of prior service credit (2) (2) (5) (5)
Amortization of actuarial loss 1   2 1
Net periodic benefit cost 1   2 1
Other Postretirement Benefit Plans | Huntsman International        
Components of net periodic benefit cost        
Service cost 1 1 2 2
Interest cost 1 1 3 3
Amortization of prior service credit (2) $ (2) (5) (5)
Amortization of actuarial loss 1   2 1
Net periodic benefit cost $ 1   $ 2 $ 1