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Note 4 - Other Long-term Assets (Tables) | 3 Months Ended
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Mar. 31, 2021
Other Assets Noncurrent Disclosure [Abstract] |
Schedule of Other Long-Term Assets |
|  | March 31, |  |  | December 31, |
(in millions) |  | 2021 |  |  | 2020 |
Pension assets |  | $ | 290 |  |  | $ | 262 |
Estimated workers' compensation recoveries |  |  | 18 |  |  |  | 18 |
Long-term receivables |  |  | 11 |  |  |  | 11 |
Other |  |  | 27 |  |  |  | 26 |
Total |  | $ | 346 |  |  | $ | 317 |

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