Notes And Other Explanatory Information [Abstract]
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                                        2024-01-01 to 2024-12-31  | 
                            
                        
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| Notes and other explanatory information [abstract] | |
| Disclosure of accounting judgements and estimates [text block] | 
                                        
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| Disclosure of auditors' remuneration [text block] | 
                                        
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| Disclosure of authorisation of financial statements [text block] | 
                                        
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| Disclosure of basis of consolidation [text block] | 
                                        
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| Disclosure of basis of preparation of financial statements [text block] | 
                                        
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| Disclosure of cash and cash equivalents [text block] | 
                                        
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| Disclosure of collateral [text block] | 
                                        
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| Disclosure of commitments [text block] | 
                                        
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| Disclosure of credit risk [text block] | 
                                        
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| Disclosure of debt instruments [text block] | 
                                        
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| Disclosure of deferred taxes [text block] | 
                                        
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| Disclosure of deposits from customers [text block] | 
                                        
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| Disclosure of depreciation and amortisation expense [text block] | 
                                        
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| Disclosure of derivative financial instruments [text block] | 
                                        
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| Disclosure of discontinued operations [text block] | 
                                        
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| Disclosure of dividends [text block] | 
                                        
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| Disclosure of employee benefits [text block] | 
                                        
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| Disclosure of entity's operating segments [text block] | 
                                        
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| Disclosure of expenses [text block] | 
                                        
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| Disclosure of fair value of financial instruments [text block] | 
                                        
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| Disclosure of fee and commission income (expense) [text block] | 
                                        
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| Disclosure of financial instruments [text block] | 
                                        
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| Disclosure of financial risk management [text block] | 
                                        
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| Disclosure of going concern [text block] | 
                                        
                                             
                                                Going concern
                                                
                                             
                                        
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| Disclosure of goodwill [text block] | 
                                        
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| Disclosure of income tax [text block] | 
                                        
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| Disclosure of information about employees [text block] | 
                                        
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| Disclosure of information about key management personnel [text block] | 
                                        
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| Disclosure of insurance premium revenue [text block] | 
                                        
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| Disclosure of interests in other entities [text block] | 
                                        
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| Disclosure of investment contracts liabilities [text block] | 
                                        
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| Disclosure of investment property [text block] | 
                                        
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| Disclosure of investments other than investments accounted for using equity method [text block] | 
                                        
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| Disclosure of leases [text block] | 
                                        
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| Disclosure of liquidity risk [text block] | 
                                        
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| Disclosure of market risk [text block] | 
                                        
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| Disclosure of non-current assets held for sale and discontinued operations [text block] | 
                                        
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| Disclosure of objectives, policies and processes for managing capital [text block] | 
                                        
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| Disclosure of other assets [text block] | 
                                        
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| Disclosure of other liabilities [text block] | 
                                        
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| Disclosure of other provisions, contingent liabilities and contingent assets [text block] | 
                                        
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| Disclosure of profit (loss) from operating activities [text block] | 
                                        
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| Disclosure of property, plant and equipment [text block] | 
                                        
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| Disclosure of reinsurance [text block] | 
                                        
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| Disclosure of reserves within equity [text block] | 
                                        
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| Disclosure of revenue [text block] | 
                                        
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| Disclosure of share capital, reserves and other equity interest [text block] | 
                                        
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| Disclosure of subordinated liabilities [text block] | 
                                        
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| Disclosure of subsidiaries [text block] | 
                                        
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