Notes - Segment Information, Etc.
| Concept | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 2024-10-01 to 2025-03-31 | 
|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||
| Segment information | ||||||||
| Disclosure of sales, profit (loss), asset, liability, and other items for each reportable segment | ||||||||
| Sales | ||||||||
| Revenues from external customers | 
                                                6,884,224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,884,224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                83,898,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,800,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,104,097,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                543,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,152,850,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                11,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -11,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |