Notes - Segment Information, Etc.
| Concept | 2024-07-01 to 2024-12-31 | 2024-07-01 to 2024-12-31 | 2024-07-01 to 2024-12-31 | 2024-07-01 to 2024-12-31 | 2024-07-01 to 2024-12-31 | 2024-07-01 to 2024-12-31 | 2024-07-01 to 2024-12-31 | 2023-07-01 to 2023-12-31 | 2023-07-01 to 2023-12-31 | 2023-07-01 to 2023-12-31 | 2023-07-01 to 2023-12-31 | 2023-07-01 to 2023-12-31 | 2023-07-01 to 2023-12-31 | 2023-07-01 to 2023-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,528,357,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,801,626,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,781,112,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,321,855,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,801,626,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,170,300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,539,289,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,645,721,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,271,704,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,518,859,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,103,004,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,539,289,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                -310,470,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,396,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                310,470,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                186,076,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                69,176,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,821,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                271,107,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                164,757,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,997,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,221,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                51,130,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -271,107,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |