Notes - Segment Information, Etc.
| Concept | 2023-06-01 to 2024-02-29 | 2023-06-01 to 2024-02-29 | 2023-06-01 to 2024-02-29 | 2023-06-01 to 2024-02-29 | 2023-06-01 to 2024-02-29 | 2022-06-01 to 2023-02-28 | 2022-06-01 to 2023-02-28 | 2022-06-01 to 2023-02-28 | 2022-06-01 to 2023-02-28 | 2022-06-01 to 2023-02-28 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||
| Segment information | ||||||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||||||
| Sales | ||||||||||
| Revenues from external customers | 
                                                6,845,798,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,544,667,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,390,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,390,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,177,765,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,344,667,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,522,432,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,522,432,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                29,293,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,173,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -60,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,642,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -87,967,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                87,967,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |