Disclosure Of Material Accounting Policy Information [Text Block]
| Concept | 
                                    
                                        2024-01-01 to 2024-12-31  | 
                            
                        
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| Disclosure of material accounting policy information [text block] | — | 
| Description of accounting policy for borrowing costs [text block] | 
                                        
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| Description of accounting policy for business combinations [text block] | 
                                        
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| Description of accounting policy for deferred income tax [text block] | 
                                        
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| Description of accounting policy for depreciation expense [text block] | 
                                        
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| Description of accounting policy for determining components of cash and cash equivalents [text block] | 
                                        
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| Description of accounting policy for dividends [text block] | 
                                        
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| Description of accounting policy for earnings per share [text block] | 
                                        
                                             
                                                Bei der Berechnung des unverwässerten Ergebnisses je Aktie wird das den Inhabern von Stammaktien des Mutterunternehmens
                                                
                                             
                                        
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| Description of accounting policy for employee benefits [text block] | 
                                        
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| Description of accounting policy for expenses [text block] | 
                                        
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| Description of accounting policy for fair value measurement [text block] | 
                                        
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| Description of accounting policy for fee and commission income and expense [text block] | 
                                        
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| Description of accounting policy for finance costs [text block] | 
                                        
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| Description of accounting policy for finance income and costs [text block] | 
                                        
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| Description of accounting policy for financial instruments [text block] | 
                                        
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| Description of accounting policy for financial instruments at fair value through profit or loss [text block] | 
                                        
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| Description of accounting policy for foreign currency translation [text block] | 
                                        
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| Description of accounting policy for government grants [text block] | 
                                        
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| Description of accounting policy for hedging [text block] | 
                                        
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| Description of accounting policy for impairment of assets [text block] | 
                                        
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| Description of accounting policy for income tax [text block] | 
                                        
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| Description of accounting policy for leases [text block] | 
                                        
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| Description of accounting policy for investment in associates and joint ventures [text block] | 
                                        
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| Description of accounting policy for recognition of revenue [text block] | 
                                        
                                             
                                                3.4.3 Erfassung von Umsatzerlösen
                                                
                                             
                                        
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| Description of accounting policy for trade and other payables [text block] | 
                                        
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| Description of accounting policy for trade and other receivables [text block] | 
                                        
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