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Note 30 - Cash flow disclosures - Cash Flow Disclosures (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Changes in working capital |  |  |  |
Inventories |  | $ 151,728 | $ 184,996 | $ 186,903
Receivables and prepayments, contract assets and current tax assets |  | (31,509) | (60,456) | 64,000
Trade receivables |  | 25,079 | 550,334 | 153,920
Other liabilities |  | (20,753) | (100,133) | 28,275
Customer advances |  | (41,454) | (71,100) | (101,646)
Trade payables |  | (35,319) | (216,724) | (149,024)
Increase (decrease) in working capital | [1] | 47,772 | 286,917 | 182,428
Income tax accruals less payments |  |  |  |
Tax accrued |  | 500,616 | 479,680 | 674,956
Taxes paid |  | (531,837) | (702,190) | (818,347)
Adjustments for income tax expense |  | (31,221) | (222,510) | (143,391)
Interest accruals less payments, net |  |  |  |
Interest accrued, net |  | (205,305) | (181,107) | (106,612)
Interest received |  | 226,160 | 240,809 | 147,473
Interest paid |  | (24,759) | (60,769) | (94,341)
Interest income (expense) |  | $ (3,904) | $ (1,067) | $ (53,480)
[1] | Changes in working capital do not include non-cash movements due to the variations in the exchange rates used by subsidiaries with functional currencies different from the U.S. dollar for an amount of $(39.4) million for 202 5, $30.3 million for 202 4 and $(16.7) million for 202 3.

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