Notes - Segment Information, Etc.
| Concept | 2023-09-01 to 2023-11-30 | 2023-09-01 to 2023-11-30 | 2023-09-01 to 2023-11-30 | 2023-09-01 to 2023-11-30 | 2023-09-01 to 2023-11-30 | 2023-09-01 to 2023-11-30 | 2022-09-01 to 2022-11-30 | 2022-09-01 to 2022-11-30 | 2022-09-01 to 2022-11-30 | 2022-09-01 to 2022-11-30 | 2022-09-01 to 2022-11-30 | 2022-09-01 to 2022-11-30 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||||
| Segment information | ||||||||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||||||||
| Sales | ||||||||||||
| Revenues from external customers | 
                                                300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,057,778,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,025,301,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,057,778,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                996,379,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                966,956,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,122,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                996,379,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |