Notes - Segment Information, Etc.
| Concept | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 
|---|---|---|---|---|---|---|
| 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 | 
                                                54,827,987,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,225,142,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                44,602,844,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,939,972,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                51,900,205,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,960,233,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||
| Depreciation | 
                                                1,086,712,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                123,070,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                963,642,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                129,796,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,114,825,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                985,028,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |