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v3.25.1

Intangible assets (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes and other explanatory information [abstract] |
Schedule of intangible assets by class of assets |
Schedule of intangible assets by class of assets |  |  |  |
| Rights and Concessions (1) | Software | Goodwill | Total
Balance at January 1, 2024 | 2,425 | 592 | 25 | 3,042
Cost | 2,489 | 1,891 | 25 | 4,405
Accumulated amortization and impairment | (64) | (1,299) | − | (1,363)
Addition | 24 | 201 | − | 225
Capitalized borrowing costs | − | 12 | − | 12
Write-offs | (18) | (2) | − | (20)
Transfers | − | 7 | − | 7
Amortization | (4) | (130) | − | (134)
Impairment recognition (note 25) | (224) | − | − | (224)
Translation adjustment | (506) | (142) | (5) | (653)
Balance at December 31, 2024 | 1,697 | 538 | 20 | 2,255
Cost | 1,750 | 1,663 | 20 | 3,433
Accumulated amortization and impairment | (53) | (1,125) | − | (1,178)
Estimated useful life in years | Indefinite (2) | 5 | Indefinite |
Balance at January 1, 2023 | 2,523 | 439 | 24 | 2,986
Cost | 2,578 | 1,560 | 24 | 4,162
Accumulated amortization and impairment | (55) | (1,121) | − | (1,176)
Addition | 148 | 200 | − | 348
Capitalized borrowing costs | − | 13 | − | 13
Write-offs | (41) | − | − | (41)
Transfers | (11) | 2 | − | (9)
Signature Bonuses Transfers (3) | (16) | − | − | (16)
Amortization | (4) | (100) | − | (104)
Impairment recognition (note 25) | (364) | − | − | (364)
Translation adjustment | 190 | 38 | 1 | 229
Balance at December 31, 2023 | 2,425 | 592 | 25 | 3,042
Cost | 2,489 | 1,891 | 25 | 4,405
Accumulated amortization and impairment | (64) | (1,299) | − | (1,363)
Estimated useful life in years | Indefinite (2) | 5 | Indefinite |
(1) It comprises mainly signature bonuses (amounts paid in concession and production sharing contracts for oil or natural gas exploration), in addition to public service concessions, trademarks and patents and others.
(2) Mainly composed of assets with indefinite useful lives, which are reviewed annually to determine whether events and circumstances continue to support an indefinite useful life assessment.
(3) Transfer to PP&E Assets.

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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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