Disclosure Of Sustainability-Related Financial Information
| Concept | 
                                    
                                        As at 2024-03-31  | 
                            
                                
                                    
                                        As at 2024-03-31  | 
                            
                                
                                    
                                        As at 2024-03-31  | 
                            
                                
                                    
                                        As at 2024-03-31  | 
                            
                                
                                    
                                        As at 2024-03-31  | 
                            
                        
|---|---|---|---|---|---|
| Disclosure of Sustainability-related Financial Information | |||||
| Description of metrics related to policy on development of human resources and internal environment, and targets and performance using such metrics | |||||
| Metrics | 
                                        
                                             
                                                労働者の男女の賃金の差異
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                管理職に占める女性労働者の割合
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                男性労働者の育児休業取得率
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                看護休暇取得者の割合
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                技術系女性社員の採用
                                                
                                             
                                        
                                     | 
                                
                            
| Metrics unit | 
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                名
                                                
                                             
                                        
                                     | 
                                
                            
| Target period | — | — | 
                                        
                                             
                                                2026年3月まで
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2026年3月まで
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2026年3月まで
                                                
                                             
                                        
                                     | 
                                
                            
| Targets | 
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                8
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                8
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                8
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                            
| Performance | 
                                        
                                             
                                                58.0
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1.4
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                14.3
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                32.2
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                3
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     |