Disclosure Of Financial Instruments [Text Block]
| Concept | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2023-12-31 | 
|---|---|---|---|
| Disclosure of financial instruments [text block] | — |  | — | 
| Disclosure of credit risk [text block] | — | 
                                                7.8.3.5
                                                
                                             | — | 
| Disclosure of detailed information about borrowings [text block] | — | — | — | 
| Disclosure of detailed information about borrowings [abstract] | |||
| Disclosure of detailed information about borrowings [line items] | |||
| Borrowings | 
                                                3,135,000,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                5,451,000,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             |