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Note 2 - Principles Of Consolidation, Acounting policies and measurement bases applied and recent IFRS pronouncements - Depreciation rates for tangible assets (Details) | 12 Months Ended
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Dec. 31, 2020
Building for own use [Member] |
Effective dates of revaluation property plant and equipment Line Items |
Effective dates of revaluation property plant and equipment | 1% - 4%
Furniture [Member] |
Effective dates of revaluation property plant and equipment Line Items |
Effective dates of revaluation property plant and equipment | 8% - 10%
Fixtures [Member] |
Effective dates of revaluation property plant and equipment Line Items |
Effective dates of revaluation property plant and equipment | 6% - 12%
Office Supplies and hardware [Member] |
Effective dates of revaluation property plant and equipment Line Items |
Effective dates of revaluation property plant and equipment | 8% - 25%
Rights Of Use By Lease [Member] |
Effective dates of revaluation property plant and equipment Line Items |
Effective dates of revaluation property plant and equipment | The lesser of the lease term or the useful life of the underlying asset

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- Definition The effective dates of the revaluation for items of property, plant and equipment stated at revalued amounts. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2020-01-01 -Paragraph 77 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2020-en-r&anchor=para_77_a&doctype=Standard -URIDate 2020-01-01 + Details
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