Notes - Segment Information, Etc.
| Concept | 2024-03-01 to 2024-08-31 | 2024-03-01 to 2024-08-31 | 2024-03-01 to 2024-08-31 | 2024-03-01 to 2024-08-31 | 2024-03-01 to 2024-08-31 | 2023-03-01 to 2023-08-31 | 2023-03-01 to 2023-08-31 | 2023-03-01 to 2023-08-31 | 2023-03-01 to 2023-08-31 | 2023-03-01 to 2023-08-31 | 
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                9,505,822,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,651,352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,505,822,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,854,469,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,528,446,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,355,576,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,355,576,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,827,129,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                903,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,576,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,673,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -34,576,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                588,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                86,507,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                85,918,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -86,507,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |