Notes - Segment Information, Etc.
| Concept | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2022-04-01 to 2022-09-30 | 2022-04-01 to 2022-09-30 | 2022-04-01 to 2022-09-30 | 
|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||
| Segment information | ||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||
| Sales | ||||||
| Revenues from external customers | 
                                                23,227,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,234,616,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,257,843,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,001,857,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,812,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,977,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |