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 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 
|---|---|---|---|---|---|---|---|---|
| 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
                                                    
                                                
                                             | 
                                                2,523,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,874,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,351,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,266,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,266,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |