Note 7 - Restructuring, Impairment and Plant Closing Costs - Cash and Noncash Restructuring Charges (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2022 |
Mar. 31, 2021 |
|
| Other noncash charges | $ 0 | $ 8 |
| Total restructuring, impairment and plant closing credits | 0 | 24 |
| Initiatives for 2022 and Prior [Member] | ||
| Restructuring Charges, Total | 0 | 0 |
| Initiatives 2021 and Prior [Member] | ||
| Restructuring Charges, Total | 0 | 14 |
| Initiatives 2021 [Member] | ||
| Restructuring Charges, Total | $ 0 | $ 2 |
| X | ||||||||||
- Definition The aggregate amount provided for estimated restructuring charges, asset impairment loss and plant closing cost incurred during an accounting period. No definition available.
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| X | ||||||||||
- Definition Represents the amount of other non-cash charges associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. No definition available.
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| X | ||||||||||
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
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