Notes And Other Explanatory Information [Abstract]
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                                        2023-01-01 to 2023-12-31  | 
                            
                        
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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] | 
                                        
                                             
                                                23
                                                
                                             
                                        
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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 borrowings [text block] | 
                                        
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| Disclosure of cash and bank balances at central banks [text block] | 
                                        
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| Disclosure of cash and cash equivalents [text block] | 
                                        
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| Disclosure of cash flow statement [text block] | 
                                        
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| Disclosure of commitments and contingent liabilities [text block] | 
                                        
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| Disclosure of contingent liabilities [text block] | 
                                        
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| Disclosure of credit risk [text block] | 
                                        
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| Disclosure of deferred taxes [text block] | 
                                        
                                             
                                                23
                                                
                                             
                                        
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| Disclosure of deposits from banks [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 earnings per share [text block] | 
                                        
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| Disclosure of entity's operating segments [text block] | 
                                        
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| Disclosure of events after reporting period [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 instruments designated at fair value through profit or loss [text block] | 
                                        
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| Disclosure of financial risk management [text block] | 
                                        
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| Disclosure of general and administrative expense [text block] | 
                                        
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| Disclosure of goodwill [text block] | 
                                        
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| Disclosure of government grants [text block] | 
                                        
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| Disclosure of impairment of assets [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 intangible assets and goodwill [text block] | 
                                        
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| Disclosure of interest income [text block] | 
                                        
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| Disclosure of interest income (expense) [text block] | 
                                        
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| Disclosure of investment property [text block] | 
                                        
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| Disclosure of issued capital [text block] | 
                                        
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| Disclosure of lease prepayments [text block] | 
                                        
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| Disclosure of liquidity risk [text block] | 
                                        
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| Disclosure of loans and advances to banks [text block] | 
                                        
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| Disclosure of loans and advances to customers [text block] | 
                                        
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| Disclosure of market risk [text block] | 
                                        
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| Disclosure of material accounting policy information [text block] | 
                                        
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| Disclosure of non-current assets or disposal groups classified as held for sale [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 operating income (expense) [text block] | 
                                        
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| Disclosure of property, plant and equipment [text block] | 
                                        
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| Disclosure of provisions [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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| Disclosure of tax receivables and payables [text block] | 
                                        
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| Disclosure of trading income (expense) [text block] | 
                                        
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