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 | 
                                                21,738,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,036,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,396,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,305,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,211,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,231,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,269,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,826,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                148,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                102,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                236,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                195,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |