Notes - Segment Information, Etc.
| Concept | 2023-09-01 to 2024-05-31 | 2023-09-01 to 2024-05-31 | 2023-09-01 to 2024-05-31 | 2023-09-01 to 2024-05-31 | 2023-09-01 to 2024-05-31 | 2022-09-01 to 2023-05-31 | 2022-09-01 to 2023-05-31 | 2022-09-01 to 2023-05-31 | 2022-09-01 to 2023-05-31 | 2022-09-01 to 2023-05-31 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||
| Segment information | ||||||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||||||
| Sales | ||||||||||
| Revenues from external customers | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,287,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                750,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,038,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,038,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,009,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                743,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,265,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,009,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                -126,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                115,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                126,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -186,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                186,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                177,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |