Annual report pursuant to Section 13 and 15(d)

Note 18 - Employee Benefit Plans - Amounts Recognized and Amounts Expected to Be Recognized in Other Comprehensive Income (Loss) (Details)

v3.22.4
Note 18 - Employee Benefit Plans - Amounts Recognized and Amounts Expected to Be Recognized in Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
UNITED STATES | Pension Plan [Member]    
Amounts recognized in accumulated other comprehensive loss:    
Net actuarial loss $ 202 $ 255
Prior service credit (6) (8)
Total 196 247
UNITED STATES | Pension Plan [Member] | Huntsman International LLC [Member]    
Amounts recognized in accumulated other comprehensive loss:    
Net actuarial loss 202 255
Prior service credit (6) (8)
Total 196 247
UNITED STATES | Other Postretirement Benefits Plan [Member]    
Amounts recognized in accumulated other comprehensive loss:    
Net actuarial loss 11 23
Prior service credit (16) (21)
Total (5) 2
UNITED STATES | Other Postretirement Benefits Plan [Member] | Huntsman International LLC [Member]    
Amounts recognized in accumulated other comprehensive loss:    
Net actuarial loss 11 23
Prior service credit (16) (21)
Total (5) 2
Foreign Plan [Member] | Pension Plan [Member]    
Amounts recognized in accumulated other comprehensive loss:    
Net actuarial loss 511 662
Prior service credit (18) (20)
Total 493 642
Foreign Plan [Member] | Pension Plan [Member] | Huntsman International LLC [Member]    
Amounts recognized in accumulated other comprehensive loss:    
Net actuarial loss 511 662
Prior service credit (18) (20)
Total 493 642
Foreign Plan [Member] | Other Postretirement Benefits Plan [Member]    
Amounts recognized in accumulated other comprehensive loss:    
Net actuarial loss 0 0
Prior service credit 0 0
Total 0 0
Foreign Plan [Member] | Other Postretirement Benefits Plan [Member] | Huntsman International LLC [Member]    
Amounts recognized in accumulated other comprehensive loss:    
Net actuarial loss 0 0
Prior service credit 0 0
Total $ 0 $ 0