Annual report pursuant to Section 13 and 15(d)

EMPLOYEE BENEFIT PLANS - AMOUNTS RECOGNIZED IN NET PERIODIC BENEFIT COST AND OTHER COMPREHENSIVE INCOME (LOSS) (Details)

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EMPLOYEE BENEFIT PLANS - AMOUNTS RECOGNIZED IN NET PERIODIC BENEFIT COST AND OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
U.S. Defined Benefit Plans      
Amounts recognized in net periodic benefit cost and other comprehensive income (loss)      
Current year actuarial loss (gain) $ 74 $ 2 $ 144
Amortization of actuarial loss (25) (32) (19)
Amortization of prior service credit 5 6 6
Total recognized in other comprehensive loss (income) 54 (24) 131
Net periodic benefit cost 43 44 29
Total recognized in net periodic benefit cost and other comprehensive (loss) income $ 97 $ 20 $ 160
Projected benefit obligation:      
Discount rate (as a percent) 4.24% 4.90% 4.25%
Rate of compensation increase (as a percent) 4.17% 4.17% 4.16%
Net periodic pension cost:      
Discount rate (as a percent) 4.90% 4.25% 5.13%
Rate of compensation increase (as a percent) 4.17% 4.16% 4.17%
Expected return on plan assets (as a percent) 7.56% 7.74% 7.75%
U.S. Defined Benefit Plans | Huntsman International      
Amounts recognized in net periodic benefit cost and other comprehensive income (loss)      
Current year actuarial loss (gain) $ 74 $ 2 $ 144
Amortization of actuarial loss (25) (32) (19)
Amortization of prior service credit 5 6 6
Total recognized in other comprehensive loss (income) 54 (24) 131
Net periodic benefit cost 43 44 29
Total recognized in net periodic benefit cost and other comprehensive (loss) income 97 20 160
Non-U.S. Defined Benefit Plans      
Amounts recognized in net periodic benefit cost and other comprehensive income (loss)      
Current year actuarial loss (gain) 235 33 257
Amortization of actuarial loss (42) (43) (34)
Current year prior service credit   (32) (6)
Amortization of prior service credit 4    
Settlements     (13)
Total recognized in other comprehensive loss (income) 197 (42) 204
Net periodic benefit cost 12 22 46
Total recognized in net periodic benefit cost and other comprehensive (loss) income $ 209 $ (20) $ 250
Projected benefit obligation:      
Discount rate (as a percent) 1.82% 2.53% 2.48%
Rate of compensation increase (as a percent) 3.51% 3.23% 3.23%
Net periodic pension cost:      
Discount rate (as a percent) 2.53% 2.48% 3.62%
Rate of compensation increase (as a percent) 3.42% 3.23% 3.37%
Expected return on plan assets (as a percent) 5.68% 5.79% 5.82%
Non-U.S. Defined Benefit Plans | Huntsman International      
Amounts recognized in net periodic benefit cost and other comprehensive income (loss)      
Current year actuarial loss (gain) $ 235 $ 33 $ 257
Amortization of actuarial loss (49) (51) (41)
Current year prior service credit   (32) (6)
Amortization of prior service credit 4    
Settlements     (13)
Total recognized in other comprehensive loss (income) 190 (50) 197
Net periodic benefit cost 20 30 53
Total recognized in net periodic benefit cost and other comprehensive (loss) income 210 (20) 250
U.S. Other Postretirement Benefit Plans      
Amounts recognized in net periodic benefit cost and other comprehensive income (loss)      
Current year actuarial loss (gain) 9 (9) 30
Amortization of actuarial loss (2) (3) (1)
Current year prior service credit   (40)  
Amortization of prior service credit 7 5 4
Total recognized in other comprehensive loss (income) 14 (47) 33
Net periodic benefit cost 1 7 5
Total recognized in net periodic benefit cost and other comprehensive (loss) income $ 15 $ (40) $ 38
Projected benefit obligation:      
Discount rate (as a percent) 4.03% 4.68% 4.17%
Net periodic pension cost:      
Discount rate (as a percent) 4.68% 4.20% 4.79%
U.S. Other Postretirement Benefit Plans | Huntsman International      
Amounts recognized in net periodic benefit cost and other comprehensive income (loss)      
Current year actuarial loss (gain) $ 9 $ (9) $ 30
Amortization of actuarial loss (2) (3) (1)
Current year prior service credit   (40)  
Amortization of prior service credit 7 5 4
Total recognized in other comprehensive loss (income) 14 (47) 33
Net periodic benefit cost 1 7 5
Total recognized in net periodic benefit cost and other comprehensive (loss) income 15 $ (40) 38
Non-U.S. Other Postretirement Benefit Plans      
Amounts recognized in net periodic benefit cost and other comprehensive income (loss)      
Current year actuarial loss (gain)     1
Current year prior service credit (2)    
Total recognized in other comprehensive loss (income) (2)   1
Total recognized in net periodic benefit cost and other comprehensive (loss) income $ (2)   $ 1
Projected benefit obligation:      
Discount rate (as a percent) 3.50% 7.25% 6.44%
Net periodic pension cost:      
Discount rate (as a percent) 7.25% 6.44% 6.49%
Non-U.S. Other Postretirement Benefit Plans | Huntsman International      
Amounts recognized in net periodic benefit cost and other comprehensive income (loss)      
Current year actuarial loss (gain)     $ 1
Current year prior service credit $ (2)    
Total recognized in other comprehensive loss (income) (2)   1
Total recognized in net periodic benefit cost and other comprehensive (loss) income $ (2)   $ 1