Annual report pursuant to Section 13 and 15(d)

Note 13 - Restructuring, Impairment and Plant Closing Costs (Credits) - Accrued Restructuring Costs By Type of Cost and Initiative (Details)

v3.20.4
Note 13 - Restructuring, Impairment and Plant Closing Costs (Credits) - Accrued Restructuring Costs By Type of Cost and Initiative (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Accrued liabilities $ 17 $ 28 $ 53
Restructuring Reserve, Accrual Adjustment (1) (4) (31)
Foreign currency effect on liability balance 1    
Accrued liabilities 31 17 28
Initiatives 2017 and Prior [Member]      
Restructuring Charges, Total     2
Restructuring payments     (5)
Initiatives 2018 [Member]      
Restructuring Charges, Total     15
Restructuring payments     (6)
Initiatives 2018 and Prior [Member]      
Restructuring Charges, Total   6  
Restructuring payments   (20)  
Restructuring charges (credits)   6  
Initiatives 2019 [Member]      
Restructuring Charges, Total   8  
Restructuring payments   (1)  
Initiatives 2019 and Prior [Member]      
Restructuring Charges, Total 5    
Restructuring payments (16)    
Initiatives 2020 [Member]      
Restructuring Charges, Total 38    
Restructuring payments (13)    
Employee Severance [Member]      
Accrued liabilities 8 5 5
Restructuring Reserve, Accrual Adjustment 0 (2) (2)
Foreign currency effect on liability balance 1    
Accrued liabilities 29 8 5
Employee Severance [Member] | Initiatives 2017 and Prior [Member]      
Restructuring Charges, Total     0
Restructuring payments     (2)
Employee Severance [Member] | Initiatives 2018 [Member]      
Restructuring Charges, Total     5
Restructuring payments     (1)
Employee Severance [Member] | Initiatives 2018 and Prior [Member]      
Restructuring payments   (4)  
Restructuring charges (credits)   2  
Employee Severance [Member] | Initiatives 2019 [Member]      
Restructuring Charges, Total   7  
Restructuring payments   0  
Employee Severance [Member] | Initiatives 2019 and Prior [Member]      
Restructuring Charges, Total 0    
Restructuring payments (5)    
Employee Severance [Member] | Initiatives 2020 [Member]      
Restructuring Charges, Total 35    
Restructuring payments (10)    
Demolition and Decommissioning [Member]      
Accrued liabilities 0 1 2
Restructuring Reserve, Accrual Adjustment 0 0 0
Foreign currency effect on liability balance 0    
Accrued liabilities 0 0 1
Demolition and Decommissioning [Member] | Initiatives 2017 and Prior [Member]      
Restructuring Charges, Total     0
Restructuring payments     (1)
Demolition and Decommissioning [Member] | Initiatives 2018 [Member]      
Restructuring Charges, Total     0
Restructuring payments     0
Demolition and Decommissioning [Member] | Initiatives 2018 and Prior [Member]      
Restructuring payments   0  
Restructuring charges (credits)   (1)  
Demolition and Decommissioning [Member] | Initiatives 2019 [Member]      
Restructuring Charges, Total   0  
Restructuring payments   0  
Demolition and Decommissioning [Member] | Initiatives 2019 and Prior [Member]      
Restructuring Charges, Total 0    
Restructuring payments 0    
Demolition and Decommissioning [Member] | Initiatives 2020 [Member]      
Restructuring Charges, Total 0    
Restructuring payments 0    
Non-cancelable Lease Cost and Contract Termination Costs [Member]      
Accrued liabilities 7 12 41
Restructuring Reserve, Accrual Adjustment 0 0 (29)
Foreign currency effect on liability balance 0    
Accrued liabilities 2 7 12
Non-cancelable Lease Cost and Contract Termination Costs [Member] | Initiatives 2017 and Prior [Member]      
Restructuring Charges, Total     2
Restructuring payments     (2)
Non-cancelable Lease Cost and Contract Termination Costs [Member] | Initiatives 2018 [Member]      
Restructuring Charges, Total     0
Restructuring payments     0
Non-cancelable Lease Cost and Contract Termination Costs [Member] | Initiatives 2018 and Prior [Member]      
Restructuring payments   (7)  
Restructuring charges (credits)   2  
Non-cancelable Lease Cost and Contract Termination Costs [Member] | Initiatives 2019 [Member]      
Restructuring Charges, Total   0  
Restructuring payments   0  
Non-cancelable Lease Cost and Contract Termination Costs [Member] | Initiatives 2019 and Prior [Member]      
Restructuring Charges, Total 2    
Restructuring payments (7)    
Non-cancelable Lease Cost and Contract Termination Costs [Member] | Initiatives 2020 [Member]      
Restructuring Charges, Total 0    
Restructuring payments 0    
Other Restructuring [Member]      
Accrued liabilities 2 10 5
Restructuring Reserve, Accrual Adjustment (1) (2) 0
Foreign currency effect on liability balance 0    
Accrued liabilities 0 2 10
Other Restructuring [Member] | Initiatives 2017 and Prior [Member]      
Restructuring Charges, Total     0
Restructuring payments     0
Other Restructuring [Member] | Initiatives 2018 [Member]      
Restructuring Charges, Total     10
Restructuring payments     $ (5)
Other Restructuring [Member] | Initiatives 2018 and Prior [Member]      
Restructuring payments   (9)  
Restructuring charges (credits)   3  
Other Restructuring [Member] | Initiatives 2019 [Member]      
Restructuring Charges, Total   1  
Restructuring payments   $ (1)  
Other Restructuring [Member] | Initiatives 2019 and Prior [Member]      
Restructuring Charges, Total 3    
Restructuring payments (4)    
Other Restructuring [Member] | Initiatives 2020 [Member]      
Restructuring Charges, Total 3    
Restructuring payments $ (3)