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Note 11 - Property, plant and equipment, net - Components of Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Reconciliation of changes in property, plant and equipment [abstract] |  |  |  |  |
Beginning of the year |  | $ 5,556,263 |  | $ 5,824,801 |
End of the year |  | 6,078,179 |  | 5,556,263 |
Land and civil buildings [member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |  |  |
Beginning of the year |  | 663,491 |  |  |
End of the year |  | 725,063 |  | 663,491 |
Industrial buildings, plant and production equipment [member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |  |  |
Beginning of the year |  | 4,543,523 |  |  |
End of the year |  | 4,842,229 |  | 4,543,523 |
Vehicles, furniture and fixtures [member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |  |  |
Beginning of the year |  | 61,959 |  |  |
End of the year |  | 65,604 |  | 61,959 |
Work in progress [member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |  |  |
Beginning of the year |  | 252,379 |  |  |
End of the year |  | 396,103 |  | 252,379 |
Spare parts and equipment [member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |  |  |
Beginning of the year |  | 34,911 |  |  |
End of the year |  | 49,180 |  | 34,911 |
Gross carrying amount [member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |  |  |
Beginning of the year |  | 14,383,647 |  | 14,522,526 |
Currency translation adjustment |  | 58,481 |  | (74,584) |
Increase due to business combinations |  | 393,981 | [1] | 187 | [2]
Additions |  | 570,997 |  | 346,067 |
Transfers / Reclassifications |  | (1,270) |  | (16,188) |
Disposals / Consumptions |  | (92,756) |  | (394,361) |
End of the year |  | 15,313,080 |  | 14,383,647 |
Gross carrying amount [member] | Land and civil buildings [member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |  |  |
Beginning of the year |  | 815,763 |  | 830,104 |
Currency translation adjustment |  | 1,863 |  | (1,601) |
Increase due to business combinations | [1] | 64,413 |  |  |
Additions |  | 330 |  |  |
Transfers / Reclassifications |  | 12,031 |  | 9,829 |
Disposals / Consumptions |  | (4,443) |  | (22,569) |
End of the year |  | 889,957 |  | 815,763 |
Gross carrying amount [member] | Industrial buildings, plant and production equipment [member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |  |  |
Beginning of the year |  | 12,857,494 |  | 13,064,541 |
Currency translation adjustment |  | 53,282 |  | (71,347) |
Increase due to business combinations | [1] | 256,899 |  |  |
Additions |  | 3,661 |  | 2,271 |
Transfers / Reclassifications |  | 435,550 |  | 184,915 |
Disposals / Consumptions |  | (68,613) |  | (322,886) |
End of the year |  | 13,538,273 |  | 12,857,494 |
Gross carrying amount [member] | Vehicles, furniture and fixtures [member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |  |  |
Beginning of the year |  | 402,485 |  | 420,930 |
Currency translation adjustment |  | 1,675 |  | (1,838) |
Increase due to business combinations | [1] | 831 |  |  |
Additions |  | 820 |  | 734 |
Transfers / Reclassifications |  | 22,530 |  | 16,221 |
Disposals / Consumptions |  | (11,428) |  | (33,562) |
End of the year |  | 416,913 |  | 402,485 |
Gross carrying amount [member] | Work in progress [member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |  |  |
Beginning of the year |  | 252,379 |  | 147,429 |
Currency translation adjustment |  | 1,462 |  | 376 |
Increase due to business combinations |  | 71,838 | [1] | 187 | [2]
Additions |  | 546,515 |  | 334,912 |
Transfers / Reclassifications |  | (471,381) |  | (227,153) |
Disposals / Consumptions |  | (4,710) |  | (3,372) |
End of the year |  | 396,103 |  | 252,379 |
Gross carrying amount [member] | Spare parts and equipment [member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |  |  |
Beginning of the year |  | 55,526 |  | 59,522 |
Currency translation adjustment |  | 199 |  | (174) |
Additions |  | 19,671 |  | 8,150 |
Disposals / Consumptions |  | (3,562) |  | (11,972) |
End of the year |  | 71,834 |  | 55,526 |
Accumulated depreciation, amortisation and impairment [member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |  |  |
Beginning of the year |  | (8,827,384) |  | (8,697,725) |
Currency translation adjustment |  | 40,153 |  | (53,198) |
Impairment charge (See note 5) |  |  |  | 76,043 |
Transfers / Reclassifications |  | (380) |  | (21,723) |
Disposals / Consumptions |  | 78,146 |  | 359,195 |
Depreciation charge |  | 445,890 |  | 487,732 |
End of the year |  | (9,234,901) |  | (8,827,384) |
Accumulated depreciation, amortisation and impairment [member] | Land and civil buildings [member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |  |  |
Beginning of the year |  | (152,272) |  | (139,941) |
Currency translation adjustment |  | 390 |  | (289) |
Transfers / Reclassifications |  | (16) |  | (2) |
Disposals / Consumptions |  | 8 |  | 955 |
Depreciation charge |  | 12,256 |  | 13,577 |
End of the year |  | (164,894) |  | (152,272) |
Accumulated depreciation, amortisation and impairment [member] | Industrial buildings, plant and production equipment [member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |  |  |
Beginning of the year |  | (8,313,971) |  | (8,199,724) |
Currency translation adjustment |  | 38,074 |  | (51,283) |
Impairment charge (See note 5) |  |  |  | 75,722 |
Transfers / Reclassifications |  | (391) |  | (21,506) |
Disposals / Consumptions |  | 67,471 |  | 321,334 |
Depreciation charge |  | 411,861 |  | 432,648 |
End of the year |  | (8,696,044) |  | (8,313,971) |
Accumulated depreciation, amortisation and impairment [member] | Vehicles, furniture and fixtures [member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |  |  |
Beginning of the year |  | (340,526) |  | (353,639) |
Currency translation adjustment |  | 1,584 |  | (1,756) |
Impairment charge (See note 5) |  |  |  | 321 |
Transfers / Reclassifications |  | 27 |  | (215) |
Disposals / Consumptions |  | 10,667 |  | 32,485 |
Depreciation charge |  | 19,839 |  | 21,022 |
End of the year |  | (351,309) |  | (340,526) |
Accumulated depreciation, amortisation and impairment [member] | Spare parts and equipment [member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |  |  |
Beginning of the year |  | (20,615) |  | (4,421) |
Currency translation adjustment |  | 105 |  | 130 |
Disposals / Consumptions |  |  |  | 4,421 |
Depreciation charge |  | 1,934 |  | 20,485 |
End of the year |  | $ (22,654) |  | $ (20,615) |
[1] | Related to the GPC, Isoplus anticorrosion coating division, Republic Tube LLC’s OCTG pipe processing facility and Mattr’s pipe coating business unit acquisitions. For more information see note 34.
[2] | Related to Parques Eólicos de la Buena Ventura S.A. acquisition.

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