Quarterly report pursuant to Section 13 or 15(d)

ACCUMULATED OTHER COMPREHENSIVE LOSS - RECLASSIFICATION DETAILS - HUNTSMAN INTERNATIONAL (Details)

v3.20.2
ACCUMULATED OTHER COMPREHENSIVE LOSS - RECLASSIFICATION DETAILS - HUNTSMAN INTERNATIONAL (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Pension and other postretirement benefits adjustments        
Reclassification from accumulated other comprehensive loss        
Total before tax $ 18 $ 15 $ 93 $ 46
Income tax expense (4) (4) (21) (10)
Net of tax 14 11 72 36
Pension and other postretirement benefits adjustments | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES        
Reclassification from accumulated other comprehensive loss        
Total before tax 19 15 95 48
Income tax expense (4) (3) (21) (10)
Net of tax 15 12 74 38
Prior service credit        
Reclassification from accumulated other comprehensive loss        
Total before tax (3) (2) (9) (8)
Prior service credit | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES        
Reclassification from accumulated other comprehensive loss        
Total before tax (3) (2) (9) (8)
Settlement loss        
Reclassification from accumulated other comprehensive loss        
Total before tax     41  
Settlement loss | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES        
Reclassification from accumulated other comprehensive loss        
Total before tax     41  
Actuarial loss        
Reclassification from accumulated other comprehensive loss        
Total before tax 21 17 61 54
Actuarial loss | Discontinued Operations        
Reclassification from accumulated other comprehensive loss        
Total before tax 1 1 4 4
Actuarial loss | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES        
Reclassification from accumulated other comprehensive loss        
Total before tax 22 17 63 56
Actuarial loss | HUNTSMAN INTERNATIONAL LLC AND SUBSIDIARIES | Discontinued Operations        
Reclassification from accumulated other comprehensive loss        
Total before tax $ 1 $ 1 $ 4 $ 4