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 | 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 | 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 | 
                                                23,503,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,503,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,090,146,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,413,204,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,286,483,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,782,531,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,503,951,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,286,483,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                311,113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -311,113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                311,113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -427,469,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                427,469,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                427,469,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |