Notes - Segment Information, Etc.
| Concept | 2023-05-01 to 2024-01-31 | 2023-05-01 to 2024-01-31 | 2023-05-01 to 2024-01-31 | 2023-05-01 to 2024-01-31 | 2023-05-01 to 2024-01-31 | 2023-05-01 to 2024-01-31 | 2022-05-01 to 2023-01-31 | 2022-05-01 to 2023-01-31 | 2022-05-01 to 2023-01-31 | 2022-05-01 to 2023-01-31 | 2022-05-01 to 2023-01-31 | 2022-05-01 to 2023-01-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||||
| Segment information | ||||||||||||
| Disclosure of sales, profit (loss), asset, liability, and other items for each reportable segment | ||||||||||||
| Sales | ||||||||||||
| Revenues from external customers | 
                                                12,782,411,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,815,165,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                602,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,944,569,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,235,125,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                44,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                535,745,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,234,919,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,174,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,945,606,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,990,206,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |