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Accounting policies - Schedule of depreciation rates of tangible assets (Details) | 12 Months Ended
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Dec. 31, 2025
Buildings for own use |
Disclosure of detailed information about property, plant and equipment [line items] |
Depreciation rate, property, plant and equipment | 2.40%
Furniture |
Disclosure of detailed information about property, plant and equipment [line items] |
Depreciation rate, property, plant and equipment | 9.50%
Fixtures |
Disclosure of detailed information about property, plant and equipment [line items] |
Depreciation rate, property, plant and equipment | 9.50%
Office and IT equipment |
Disclosure of detailed information about property, plant and equipment [line items] |
Depreciation rate, property, plant and equipment | 23.60%

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- Definition The depreciation rate used for property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 200 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_c&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2025-01-01 -Paragraph 73 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_c&doctype=Standard -URIDate 2025-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 200 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_c&doctype=Standard -URIDate 2025-03-27 + Details
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Data Type: | dtr-2022:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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