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, profit (loss), asset, liability, and other items for each reportable segment | ||||||||||
| Sales | ||||||||||
| Revenues from external customers | 
                                                45,152,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,011,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                59,163,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                59,163,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,935,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,627,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                53,562,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                53,562,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                620,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -632,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                632,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                514,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -516,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                516,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |