Notes - Segment Information, Etc.
| Concept | 2024-01-01 to 2024-06-30 | 2024-01-01 to 2024-06-30 | 2024-01-01 to 2024-06-30 | 2024-01-01 to 2024-06-30 | 2024-01-01 to 2024-06-30 | 2024-01-01 to 2024-06-30 | 2024-01-01 to 2024-06-30 | 2023-01-01 to 2023-06-30 | 2023-01-01 to 2023-06-30 | 2023-01-01 to 2023-06-30 | 2023-01-01 to 2023-06-30 | 2023-01-01 to 2023-06-30 | 2023-01-01 to 2023-06-30 | 2023-01-01 to 2023-06-30 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 
                                                6,294,754,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,322,401,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,647,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                685,410,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,609,344,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,322,401,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,219,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,011,025,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,316,145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                669,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,985,805,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,011,025,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                2,367,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,367,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                280,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,087,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,367,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |