Notes - Segment Information, Etc.
| Concept | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 
|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||
| Segment information | ||||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||||
| Sales | ||||||||
| Revenues from external customers | 
                                                2,234,578,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,629,562,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,778,468,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,914,327,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,944,776,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,523,982,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,390,437,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,030,357,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |