Notes - Selling, General And Administrative Expenses
| Concept | 
                                    
                                        2024-01-01 to 2024-12-31  | 
                            
                                
                                    
                                        2023-01-01 to 2023-12-31  | 
                            
                        
|---|---|---|
| Notes - Selling, general and administrative expenses | ||
| Components of selling, general and administrative expenses | ||
| Selling, general and administrative expenses | 
                                        
                                             
                                                1,721,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1,073,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     |