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Income tax expense - Additional information (Detail) |  |  | 12 Months Ended
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Mar. 12, 2023 | Jan. 01, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Major components of tax expense (income) [abstract] |  |  |  |  |  |  |
Percentage of additional tax over deduction amounts (included in 2022 tax returns) and tax bases subject to reduced corporate tax | 10.00% |  |  |  |  |  |
Corporate tax rate |  | 20.00% | 25.00% | 25.00% | 23.00% | 25.00% | 20.00%
Corporate tax rate for banks, consumer finance companies, factoring and financial leasing companies, electronic payment and money institutions, authorized foreign exchange institutions, asset management companies, capital market institutions, insurance and reinsurance companies |  |  |  | 30.00% | 25.00% |  | 25.00%
Tax rate used to recognize deferred taxes |  |  |  |  | 20.00% | 20.00% |
Allowed percentage deduction of research and development expenses |  |  | 100.00% |  |  |  |
Dividend payments, withholding tax |  |  | 10.00% |  |  |  |
Percentage of exemption from corporate tax for profits arising from sale of founding shares, redeemed shares and priority rights held |  |  | 75.00% |  |  |  |
Minimum holding period for founding shares, redeemed shares and priority rights for tax exemption |  |  | 2 years |  |  |  |
Percentage of exemption from corporate tax for immovables held |  |  |  | 50.00% |  |  |
Percentage of exemption from corporate tax for immovables held before 15 July 2023 |  |  | 25.00% |  |  |  |
Minimum holding period for immovables for tax exemption |  |  | 2 years |  |  |  |
Period during which exempted earnings are considered lost if transferred in any way other than being added to capital |  |  | 5 years |  |  |  |

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- Definition The applicable income tax rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2024-01-01 -Paragraph 81 -Subparagraph c -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2024-en-r&anchor=para_81_c_ii&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition Allowable percentage deduction of research and development expenses. + References No definition available. + Details
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- Definition Corporate tax rate for banks, consumer finance companies, factoring and financial leasing companies, electronic payment and money institutions, authorized foreign exchange institutions, asset management companies, capital market institutions, insurance and reinsurance companies + References No definition available. + Details
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- Definition Dividends paid withholding tax. + References No definition available. + Details
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- Definition Minimum holding period for founding shares, redeemed shares and priority rights for tax exemption + References No definition available. + Details
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- Definition Minimum holding period for immovables for tax exemption + References No definition available. + Details
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- Definition The percentage of additional tax. + References No definition available. + Details
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- Definition Percentage of exemption from corporate tax for immovables held + References No definition available. + Details
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- Definition Percentage of exemption from corporate tax for immovables held before 15 July 2023 + References No definition available. + Details
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- Definition Tax rate used to recognise deferred taxes + References No definition available. + Details
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