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Note 20 - Cash and cash equivalents and other investments (Tables) | 12 Months Ended
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Dec. 31, 2025
Note 20 - Cash and cash equivalents and other investments |
Detailed disclosure of cash and cash equivalents and other investments [text block] |
| Year ended December 31, |
| 2025 |  |  | 2024 |
Cash and cash equivalents |  |  |  |  |
Cash at banks | 142,476 |  |  | 290,901 |
Liquidity funds | 258,919 |  |  | 355,044 |
Short-term investments | 171,252 |  |  | 29,311 |
| 572,647 |  |  | 675,256 |
Other investments - current |  |  |  |  |
Fixed income (time-deposit, zero coupon bonds, commercial papers) | 827,476 |  |  | 722,328 |
Bonds and other fixed income | 1,069,393 |  |  | 1,273,673 |
Fund investments | 409,891 |  |  | 376,998 |
| 2,306,760 |  |  | 2,372,999 |
Other investments - non-current |  |  |  |  |
Bonds and other fixed income | 655,867 |  |  | 857,959 |
Fixed income (time-deposit, zero coupon bonds, commercial papers) | 95,090 |  |  | 140,292 |
Others | 7,128 |  |  | 7,049 |
| 758,085 |  |  | 1,005,300 |

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