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  | 
                            
                                
                                    
                                        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 | 
                                        
                                             
                                                離職率
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                男女賃金格差
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                年齢構成比率
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                女性管理職比率
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                有給取得率
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                エンゲージメント調査
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                男性育休取得率
                                                
                                             
                                        
                                     | 
                                
                            
| Metrics unit | 
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                            
| Performance | 
                                        
                                             
                                                22.93
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                73.64
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                18.75
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                91.54
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                33.33
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     |