Annual report pursuant to Section 13 and 15(d)

Note 12 - Restructuring, Impairment and Plant Closing Costs (Credits) (Details Textual)

v3.22.0.1
Note 12 - Restructuring, Impairment and Plant Closing Costs (Credits) (Details Textual) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Sep. 30, 2019
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Restructuring and Related Cost, Gain on Sale of Assets   $ 3   $ 49
Proceeds from Sale of Productive Assets, Total   0 $ 75 50
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal   28 281 $ 49
Polyurethanes [Member]        
Restructuring and Related Cost, Gain on Sale of Assets   3    
Textile Effects [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Basel, Switzerland Production Facilities and Support Offices [Member]        
Proceeds from Sale of Productive Assets, Total $ 49      
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal $ 49      
Employee Severance [Member] | Corporate and Other [Member]        
Restructuring Charges, Total   16    
Restructuring and Related Cost, Expected Cost, Total   3    
Employee Severance [Member] | Polyurethanes [Member]        
Restructuring Charges, Total   7    
Employee Severance [Member] | Polyurethanes [Member] | Minimum [Member]        
Restructuring and Related Cost, Expected Cost, Total   3    
Employee Severance [Member] | Polyurethanes [Member] | Maximum [Member]        
Restructuring and Related Cost, Expected Cost, Total   4    
Employee Severance [Member] | Advanced Materials [Member]        
Restructuring Charges, Total   10 10  
Restructuring and Related Cost, Expected Cost, Total   $ 6    
Employee Severance [Member] | Performance Products [Member]        
Restructuring Charges, Total     4  
Employee Severance [Member] | Textile Effects [Member]        
Restructuring Charges, Total     7  
Workforce Reductions [Member] | Polyurethanes [Member]        
Restructuring Charges, Total     9  
Program to Optimize Downstream Footprint [Member] | Polyurethanes [Member]        
Restructuring Charges, Total     $ 12