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 | 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 | 2023-03-01 to 2023-08-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||||
| Segment information | ||||||||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||||||||
| Sales | ||||||||||||
| Revenues from external customers | 
                                                100,326,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,996,337,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,139,633,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,236,298,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,236,298,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,181,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,659,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,888,039,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,631,265,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,631,265,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                804,233,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                91,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                804,345,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -804,345,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                727,423,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                347,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                89,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                727,860,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -727,860,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |