Notes - Segment Information, Etc.
| Concept | 2024-03-21 to 2024-09-20 | 2024-03-21 to 2024-09-20 | 2024-03-21 to 2024-09-20 | 2024-03-21 to 2024-09-20 | 2024-03-21 to 2024-09-20 | 2024-03-21 to 2024-09-20 | 2023-03-21 to 2023-09-20 | 2023-03-21 to 2023-09-20 | 2023-03-21 to 2023-09-20 | 2023-03-21 to 2023-09-20 | 2023-03-21 to 2023-09-20 | 2023-03-21 to 2023-09-20 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                3,290,787,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,293,673,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                343,477,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                659,408,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,293,673,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,950,118,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,053,634,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                353,497,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                542,986,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,950,118,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                256,597,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                321,553,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,529,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,426,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -321,553,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                337,318,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                271,779,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,029,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                53,509,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -337,318,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |