Notes - Segment Information, Etc.
| Concept | 2023-05-01 to 2023-10-31 | 2023-05-01 to 2023-10-31 | 2023-05-01 to 2023-10-31 | 2023-05-01 to 2023-10-31 | 2023-05-01 to 2023-10-31 | 2023-05-01 to 2023-10-31 | 2022-05-01 to 2022-10-31 | 2022-05-01 to 2022-10-31 | 2022-05-01 to 2022-10-31 | 2022-05-01 to 2022-10-31 | 2022-05-01 to 2022-10-31 | 2022-05-01 to 2022-10-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||||
| Segment information | ||||||||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||||||||
| Sales | ||||||||||||
| Revenues from external customers | 
                                                401,516,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,078,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                811,906,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,291,428,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,313,363,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                349,613,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,832,047,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,864,419,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,371,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,670,785,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                811,648,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |