Annual report pursuant to Section 13 and 15(d)

Note 13 - Restructuring, Impairment and Plant Closing Costs (Credits) - Cash and Noncash Restructuring Charges (Details)

v3.20.4
Note 13 - Restructuring, Impairment and Plant Closing Costs (Credits) - Cash and Noncash Restructuring Charges (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Reversal of reserves no longer required $ (1) $ (4) $ (31)
Accelerated depreciation 7    
Total restructuring, impairment and plant closing credits 49 (41) (7)
Gain on sale of assets   (49)  
Other noncash credits   (2) 7
Initiatives 2019 and Prior [Member]      
Restructuring Charges, Total 5    
Initiatives 2020 [Member]      
Restructuring Charges, Total $ 38    
Initiatives 2018 and Prior [Member]      
Restructuring Charges, Total   6  
Initiatives 2019 [Member]      
Restructuring Charges, Total   $ 8  
Initiatives 2017 and Prior [Member]      
Restructuring Charges, Total     2
Initiatives 2018 [Member]      
Restructuring Charges, Total     $ 15