Notes - Segment Information, Etc.
| Concept | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2023-04-01 to 2023-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 2022-04-01 to 2022-12-31 | 
|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||
| Segment information | ||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||
| Sales | ||||||
| Revenues from external customers | 
                                                54,149,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,574,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,574,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,590,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,913,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,677,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                213,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                213,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                185,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                185,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |