Notes And Other Explanatory Information [Abstract]
| Concept | 2024-01-01 to 2024-12-31 | 
|---|---|
| Notes and other explanatory information [abstract] | |
| Disclosure of accounting judgements and estimates [text block] | 
                                                A. Estimates and assumptions
                                                
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| Disclosure of auditors' remuneration [text block] | 
                                                7.11.3.23 Auditor’s fees
                                                
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| Disclosure of basis of consolidation [text block] | 
                                                J. Basis for consolidation - subsidiaries
                                                
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| Disclosure of borrowing costs [text block] | 
                                                7.6.8
                                                
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| Disclosure of borrowings [text block] | 
                                                7.5.17
                                                
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| Disclosure of business combinations [text block] |  | 
| Disclosure of cash flow statement [text block] | 
                                                7.7.2
                                                
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| Disclosure of contingent liabilities [text block] | 
                                                7.7.7
                                                
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| Disclosure of credit risk [text block] | 
                                                7.8.3.5
                                                
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| Disclosure of deferred acquisition costs arising from insurance contracts [text block] | 
                                                7.5.14.4
                                                
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| Disclosure of deferred taxes [text block] | 
                                                7.5.8
                                                
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| Disclosure of discontinued operations [text block] | 
                                                7.4.6
                                                
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| Disclosure of earnings per share [text block] | 
                                                7.5.11.7
                                                
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| Disclosure of effect of changes in foreign exchange rates [text block] | 
                                                7.8.3.4
                                                
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| Disclosure of employee benefits [text block] |  | 
| Disclosure of events after reporting period [text block] | 
                                                7.7.8
                                                
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| Disclosure of expenses [text block] | 
                                                7.6.2
                                                
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| Disclosure of fair value measurement [text block] | 
                                                B. Fair value of assets and liabilities
                                                
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| Disclosure of fair value of financial instruments [text block] | 
                                                7.7.1
                                                
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| Disclosure of financial instruments [text block] |  | 
| Disclosure of financial liabilities held for trading [text block] | 
                                                7.5.7
                                                
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| Disclosure of financial risk management [text block] | 
                                                7.8.1
                                                
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| Disclosure of income tax [text block] | 
                                                7.6.12
                                                
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| Disclosure of information about employees [text block] | 
                                                7.1.1
                                                
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| Disclosure of insurance contracts [text block] | 
                                                7.5.13
                                                
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| Disclosure of intangible assets and goodwill [text block] | 
                                                7.5.1
                                                
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| Disclosure of interest expense [text block] | 
                                                7.6.7
                                                
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| Disclosure of interest income (expense) [text block] | 
                                                7.6.4
                                                
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| Disclosure of investments other than investments accounted for using equity method [text block] | 
                                                7.5.3
                                                
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| Disclosure of joint ventures [text block] | 
                                                7.5.4
                                                
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| Disclosure of liquidity risk [text block] | 
                                                7.8.5
                                                
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| Disclosure of loans and advances to banks [text block] | 
                                                7.5.19
                                                
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| Disclosure of loans and advances to customers [text block] | 
                                                7.5.18
                                                
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| Disclosure of market risk [text block] | 
                                                7.8.3
                                                
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| Disclosure of material accounting policy information [text block] |  | 
| Disclosure of objectives, policies and processes for managing capital [text block] | 
                                                7.9.1
                                                
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| Disclosure of other operating expense [text block] | 
                                                7.6.11
                                                
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| Disclosure of other operating income (expense) [text block] | 
                                                7.6.10
                                                
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| Disclosure of profit (loss) from operating activities [text block] |  | 
| Disclosure of property, plant and equipment [text block] | 
                                                7.5.2
                                                
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| Disclosure of provisions [text block] | 
                                                7.5.16
                                                
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| Disclosure of reinsurance [text block] | 
                                                7.5.13.3
                                                
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| Disclosure of related party [text block] | 
                                                7.7.4
                                                
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| Disclosure of repurchase and reverse repurchase agreements [text block] | 
                                                7.5.5.1
                                                
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| Disclosure of reserves within equity [text block] | 
                                                7.5.11
                                                
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| Disclosure of restricted cash and cash equivalents [text block] | 
                                                7.5.10
                                                
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| Disclosure of revenue [text block] | 
                                                7.6.1
                                                
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| Disclosure of revenue from contracts with customers [text block] | 
                                                7.6.9
                                                
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| Disclosure of information about separate financial statements [text block] |  | 
| Disclosure of share capital, reserves and other equity interest [text block] | 
                                                7.5.11.1
                                                
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| Disclosure of share-based payment arrangements [text block] | 
                                                7.7.5
                                                
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| Disclosure of subordinated liabilities [text block] | 
                                                7.5.12
                                                
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| Disclosure of subsidiaries [text block] | 
                                                7.4.1
                                                
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| Disclosure of trade and other payables [text block] | 
                                                7.5.20
                                                
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| Disclosure of trade and other receivables [text block] | 
                                                7.5.9
                                                
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| Disclosure of treasury shares [text block] | 
                                                7.5.11.5
                                                
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