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Note 25 - Other Comprehensive Loss (Tables) | 12 Months Ended
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Dec. 31, 2020
Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] |
Changes in Other Comprehensive Loss, by Component | The changes in Other comprehensive loss by component, were as follows:
|  |  | Year Ended December 31, |
(in millions) |  |  | 2020 |  |  | 2019 |
Currency translation adjustments |  |  |  |  |  |  |  |  |
Currency translation adjustments |  |  | $ | (16 | ) |  | $ | 3 |
Amount transferred to net income due to the sale of an investment in a foreign entity |  |  |  | — |  |  |  | 3 |
Currency translation adjustments and other |  |  |  | (16 | ) |  |  | 6 |
Pension and other postretirement benefit plan changes |  |  |  |  |  |  |  |  |
Newly established net actuarial loss |  |  |  | (34 | ) |  |  | (14 | )
Tax benefit |  |  |  | — |  |  |  | 9 |
Newly established net actuarial loss, net of tax |  |  |  | (34 | ) |  |  | (5 | )
Reclassification adjustments: |  |  |  |  |  |  |  |  |
Amortization of prior service credit | (a) |  |  | (7 | ) |  |  | (8 | )
Amortization of actuarial losses | (a) |  |  | 19 |  |  |  | 4 |
Recognition of gains due to settlements and curtailments | (a) |  |  | 9 |  |  |  | (2 | )
Total reclassification adjustments |  |  |  | 21 |  |  |  | (6 | )
Tax provision |  |  |  | — |  |  |  | (1 | )
Reclassification adjustments, net of tax |  |  |  | 21 |  |  |  | (7 | )
Pension and other postretirement benefit plan changes, net of tax |  |  |  | (13 | ) |  |  | (12 | )
Other comprehensive loss |  |  | $ | (29 | ) |  | $ | (6 | )
(a) | Reclassified to Pension income - refer to Note 20, "Retirement Plans" and Note 21, "Other Postretirement Benefits" for additional information.

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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e526-108580 + Details
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