Notes - Segment Information, Etc.
| Concept | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 
|---|---|---|---|---|---|
| Notes - Segment information, etc. | |||||
| Amortization and unamortized balance of goodwill for each reportable segment | |||||
| Amortization and unamortized balance of goodwill for each reportable segment | |||||
| Goodwill | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,072,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,072,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,072,700,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |