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Note 12 - Intangible assets, net - Intangible Assets and Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Reconciliation of changes in intangible assets and goodwill [abstract] |  |  |  |  |
Values at the beginning of the year |  | $ 1,332,508 |  |  |
Values at the end of the year |  | 1,377,110 |  | $ 1,332,508 |
Information system projects [member] |  |  |  |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |  |  |  |
Values at the beginning of the year |  | 53,355 |  |  |
Values at the end of the year |  | 72,165 |  | 53,355 |
Licenses, patents and trademarks [member] |  |  |  |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |  |  |  |
Values at the beginning of the year | [1] | 152,574 |  |  |
Values at the end of the year | [1] | 153,332 |  | 152,574 |
Goodwill [member] |  |  |  |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |  |  |  |
Values at the beginning of the year |  | 1,085,052 |  |  |
Values at the end of the year |  | 1,103,707 |  | 1,085,052 |
Customer-related intangible assets [member] |  |  |  |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |  |  |  |
Values at the beginning of the year |  | 41,527 |  |  |
Values at the end of the year |  | 47,906 |  | 41,527 |
Gross carrying amount [member] |  |  |  |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |  |  |  |
Values at the beginning of the year |  | 5,397,233 |  | 5,877,471 |
Currency translation adjustment |  | 2,274 |  | (1,538) |
Increase due to business combinations |  | 47,475 | [2] | 4,019 | [3]
Additions |  | 48,448 |  | 32,379 |
Transfers / Reclassifications |  | 804 |  | (5,535) |
Disposals |  | (7,737) |  | (509,563) | [4]
Values at the end of the year |  | 5,488,497 |  | 5,397,233 |
Gross carrying amount [member] | Information system projects [member] |  |  |  |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |  |  |  |
Values at the beginning of the year |  | 614,474 |  | 650,155 |
Currency translation adjustment |  | 2,233 |  | (2,626) |
Increase due to business combinations |  | 105 | [2] |  | [3]
Additions |  | 39,375 |  | 31,427 |
Transfers / Reclassifications |  | 437 |  | (5,535) |
Disposals |  | (7,737) |  | (58,947) | [4]
Values at the end of the year |  | 648,887 |  | 614,474 |
Gross carrying amount [member] | Licenses, patents and trademarks [member] |  |  |  |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |  |  |  |
Values at the beginning of the year | [1] | 550,991 |  | 547,527 |
Currency translation adjustment | [1] | 2 |  |  |
Increase due to business combinations | [1] | 116 | [2] | 4,019 | [3]
Additions | [1] | 9,073 |  | 952 |
Transfers / Reclassifications | [1] | 367 |  |  |
Disposals | [1] |  |  | (1,507) | [4]
Values at the end of the year | [1] | 560,549 |  | 550,991 |
Gross carrying amount [member] | Goodwill [member] |  |  |  |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |  |  |  |
Values at the beginning of the year |  | 2,469,726 |  | 2,468,638 |
Currency translation adjustment |  | 39 |  | 1,088 |
Increase due to business combinations |  | 18,616 | [2] |  | [3]
Additions |  |  |  |  |
Transfers / Reclassifications |  |  |  |  |
Disposals |  |  |  |  | [4]
Values at the end of the year |  | 2,488,381 |  | 2,469,726 |
Gross carrying amount [member] | Customer-related intangible assets [member] |  |  |  |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |  |  |  |
Values at the beginning of the year |  | 1,762,042 |  | 2,211,151 |
Currency translation adjustment |  |  |  |  |
Increase due to business combinations |  | 28,638 | [2] |  | [3]
Additions |  |  |  |  |
Transfers / Reclassifications |  |  |  |  |
Disposals |  |  |  | (449,109) | [4]
Values at the end of the year |  | 1,790,680 |  | 1,762,042 |
Accumulated depreciation, amortisation and impairment [member] |  |  |  |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |  |  |  |
Values at the beginning of the year |  | (4,064,725) |  | (4,505,295) |
Currency translation adjustment |  | 2,141 |  | (2,496) |
Amortization charge |  | 52,343 |  | 70,772 |
Impairment charge |  |  |  | 682 |
Transfers / Reclassifications |  | (86) |  |  |
Disposals |  | 7,736 |  | 509,528 | [4]
Values at the end of the year |  | (4,111,387) |  | (4,064,725) |
Accumulated depreciation, amortisation and impairment [member] | Information system projects [member] |  |  |  |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |  |  |  |
Values at the beginning of the year |  | (561,119) |  | (599,307) |
Currency translation adjustment |  | 2,140 |  | (2,496) |
Amortization charge |  | 21,285 |  | 23,218 |
Impairment charge |  |  |  | 2 |
Transfers / Reclassifications |  | (86) |  |  |
Disposals |  | 7,736 |  | 58,912 | [4]
Values at the end of the year |  | (576,722) |  | (561,119) |
Accumulated depreciation, amortisation and impairment [member] | Licenses, patents and trademarks [member] |  |  |  |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |  |  |  |
Values at the beginning of the year | [1] | (398,417) |  | (391,223) |
Currency translation adjustment | [1] | 1 |  |  |
Amortization charge | [1] | 8,799 |  | 8,701 |
Impairment charge | [1] |  |  |  |
Transfers / Reclassifications | [1] |  |  |  |
Disposals | [1] |  |  | 1,507 | [4]
Values at the end of the year | [1] | (407,217) |  | (398,417) |
Accumulated depreciation, amortisation and impairment [member] | Goodwill [member] |  |  |  |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |  |  |  |
Values at the beginning of the year |  | (1,384,674) |  | (1,383,994) |
Currency translation adjustment |  |  |  |  |
Amortization charge |  |  |  |  |
Impairment charge |  |  |  | 680 |
Transfers / Reclassifications |  |  |  |  |
Disposals |  |  |  |  | [4]
Values at the end of the year |  | (1,384,674) |  | (1,384,674) |
Accumulated depreciation, amortisation and impairment [member] | Customer-related intangible assets [member] |  |  |  |  |
Reconciliation of changes in intangible assets and goodwill [abstract] |  |  |  |  |
Values at the beginning of the year |  | (1,720,515) |  | (2,130,771) |
Currency translation adjustment |  |  |  |  |
Amortization charge |  | 22,259 |  | 38,853 |
Impairment charge |  |  |  |  |
Transfers / Reclassifications |  |  |  |  |
Disposals |  |  |  | 449,109 | [4]
Values at the end of the year |  | $ (1,742,774) |  | $ (1,720,515) |
[1] | Includes Proprietary Technology.
[2] | 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.
[3] | Related to Parques Eólicos de la Buena Ventura S.A. acquisition.
[4] | Mainly related to fully depreciated assets following the deconsolidation of a Canadian subsidiary of the Company.

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