Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Restructuring, Impairment and Plant Closing Costs - Accrued Restructuring Costs By Type of Cost and Initiative (Details)

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Note 7 - Restructuring, Impairment and Plant Closing Costs - Accrued Restructuring Costs By Type of Cost and Initiative (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Beginning Balance     $ 31  
Ending Balance $ 43   43  
Initiatives for 2022 and Prior [Member]        
Restructuring Charges, Total 24 $ 0 24 $ 0
Initiatives 2021 and Prior [Member]        
Restructuring Charges, Total 0 $ 4 0 $ 18
Restructuring payments     (12)  
Employee Severance [Member]        
Beginning Balance     28  
Ending Balance 41   41  
Employee Severance [Member] | Initiatives for 2022 and Prior [Member]        
Restructuring Charges, Total     21  
Employee Severance [Member] | Initiatives 2021 and Prior [Member]        
Restructuring payments     (8)  
Non-cancelable Lease Cost and Contract Termination Costs [Member]        
Beginning Balance     2  
Ending Balance 2   2  
Non-cancelable Lease Cost and Contract Termination Costs [Member] | Initiatives for 2022 and Prior [Member]        
Restructuring Charges, Total     0  
Non-cancelable Lease Cost and Contract Termination Costs [Member] | Initiatives 2021 and Prior [Member]        
Restructuring payments     0  
Other Restructuring [Member]        
Beginning Balance     1  
Ending Balance $ 0   0  
Other Restructuring [Member] | Initiatives for 2022 and Prior [Member]        
Restructuring Charges, Total     3  
Other Restructuring [Member] | Initiatives 2021 and Prior [Member]        
Restructuring payments     $ (4)