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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)

v3.21.1
Note 7 - Restructuring, Impairment and Plant Closing Costs - Accrued Restructuring Costs By Type of Cost and Initiative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Accrued liabilities, beginning balance $ 31 Ìý
Accrued liabilities, ending balance 40 Ìý
Initiatives 2020 and Prior [Member] Ìý Ìý
Restructuring Charges, Total 14 $ 0
Restructuring payments (7) Ìý
Initiatives 2021 [Member] Ìý Ìý
Restructuring Charges, Total 2 $ 0
Employee Severance [Member] Ìý Ìý
Accrued liabilities, beginning balance 29 Ìý
Accrued liabilities, ending balance 38 Ìý
Employee Severance [Member] | Initiatives 2020 and Prior [Member] Ìý Ìý
Restructuring Charges, Total 12 Ìý
Restructuring payments (5) Ìý
Employee Severance [Member] | Initiatives 2021 [Member] Ìý Ìý
Restructuring Charges, Total 2 Ìý
Demolition and Decommissioning [Member] Ìý Ìý
Accrued liabilities, beginning balance 0 Ìý
Accrued liabilities, ending balance 0 Ìý
Demolition and Decommissioning [Member] | Initiatives 2020 and Prior [Member] Ìý Ìý
Restructuring Charges, Total 0 Ìý
Restructuring payments 0 Ìý
Demolition and Decommissioning [Member] | Initiatives 2021 [Member] Ìý Ìý
Restructuring Charges, Total 0 Ìý
Non-cancelable Lease Cost and Contract Termination Costs [Member] Ìý Ìý
Accrued liabilities, beginning balance 2 Ìý
Accrued liabilities, ending balance 2 Ìý
Non-cancelable Lease Cost and Contract Termination Costs [Member] | Initiatives 2020 and Prior [Member] Ìý Ìý
Restructuring Charges, Total 0 Ìý
Restructuring payments 0 Ìý
Non-cancelable Lease Cost and Contract Termination Costs [Member] | Initiatives 2021 [Member] Ìý Ìý
Restructuring Charges, Total 0 Ìý
Other Restructuring [Member] Ìý Ìý
Accrued liabilities, beginning balance 0 Ìý
Accrued liabilities, ending balance 0 Ìý
Other Restructuring [Member] | Initiatives 2020 and Prior [Member] Ìý Ìý
Restructuring Charges, Total 2 Ìý
Restructuring payments (2) Ìý
Other Restructuring [Member] | Initiatives 2021 [Member] Ìý Ìý
Restructuring Charges, Total $ 0 Ìý