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Intangible assets (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes and other explanatory information [abstract] |
Schedule of reconciliation of changes in intangible assets |
Schedule of reconciliation of changes in intangible assets |  |  |  |
|  |  |  | 2024
| Goodwill (i) | Rights to use natural resources | Other | Total
Balance at the beginning of the year |  |  |  |
Cost | 630,787 | 1,859,147 | 53,865 | 2,543,799
Accumulated amortization and impairment | (323,675) | (1,279,596) | (31,249) | (1,634,520)
Balance at the beginning of the year | 307,112 | 579,551 | 22,616 | 909,279
Additions | - | - | 5,748 | 5,748
Disposals and write-offs | - | (226) | (116) | (342)
Amortization | - | (65,710) | (2,435) | (68,145)
Impairment reversal of long-lived assets – note 31 | - | 9,534 | - | 9,534
Foreign exchange effects | (1,715) | (15,433) | (5,152) | (22,300)
Transfers | - | (225) | 1,138 | 913
Balance at the end of the year | 305,397 | 507,491 | 21,799 | 834,687
Cost | 316,087 | 1,810,609 | 49,896 | 2,176,592
Accumulated amortization and impairment | (10,690) | (1,303,118) | (28,097) | (1,341,905)
Balance at the end of the year | 305,397 | 507,491 | 21,799 | 834,687
Average annual depreciation rates % | - | UoP | 5 |
|  |  |  | 2023
| Goodwill (i) | Rights to use natural resources | Other | Total
Balance at the beginning of the year |  |  |  |
Cost | 611,909 | 1,855,014 | 65,246 | 2,532,169
Accumulated amortization and impairment | (267,342) | (1,207,596) | (40,304) | (1,515,242)
Balance at the beginning of the year | 344,567 | 647,418 | 24,942 | 1,016,927
Additions | - | - | 3,087 | 3,087
Amortization | - | (71,488) | (3,041) | (74,529)
Impairment (loss) reversal of long-lived assets – note 31 | (42,660) | - | (27) | (42,687)
Foreign exchange effects | 346 | 3,489 | 1,727 | 5,562
Transfers | 4,859 | 132 | (4,072) | 919
Balance at the end of the year | 307,112 | 579,551 | 22,616 | 909,279
Cost | 630,787 | 1,859,147 | 53,865 | 2,543,799
Accumulated amortization and impairment | (323,675) | (1,279,596) | (31,249) | (1,634,520)
Balance at the end of the year | 307,112 | 579,551 | 22,616 | 909,279
Average annual depreciation rates % | - | UoP | 5 |
(i) As of December 31, 2024, the Company’s recognized goodwill balances were as follows: USD 95,087 (2023 - USD 95,717) allocated to Cajamarquilla CGU, USD 3,887 (2023 - USD 4,972) allocated to Juiz de Fora, and USD 206,423 (2023 - USD 206,423) allocated to the Mining Peru group of CGUs. In 2024, the recoverability of goodwill was tested, as explained in note 31.

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- Definition The disclosure of the reconciliation of changes in intangible assets and goodwill. [Refer: Intangible assets and goodwill] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 38 -IssueDate 2024-01-01 -Paragraph 118 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2024-en-r&anchor=para_118&doctype=Standard -URIDate 2024-03-27 + Details
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