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Note 10 - Fair Value (Tables) | 6 Months Ended
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Jun. 30, 2026
Notes Tables |
Fair Value, by Balance Sheet Grouping [Table Text Block] |
|  | June 30, 2026 |  |  | December 31, 2025 |
|  | Carrying |  |  | Estimated |  |  | Carrying |  |  | Estimated |
|  | value |  |  | fair value |  |  | value |  |  | fair value |
Non-qualified employee benefit plan investments |  | $ | 7 |  |  | $ | 7 |  |  | $ | 10 |  |  | $ | 10 |
Cross-currency interest rate contracts |  |  | (12 | ) |  |  | (12 | ) |  |  | (22 | ) |  |  | (22 | )
Long-term debt (including current portion) |  |  | (2,087 | ) |  |  | (2,028 | ) |  |  | (2,011 | ) |  |  | (1,897 | )

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