Disclosure Of Sustainability-Related Financial Information
| Concept | 
                                    
                                        As at 2025-03-31  | 
                            
                                
                                    
                                        As at 2025-03-31  | 
                            
                                
                                    
                                        As at 2025-03-31  | 
                            
                                
                                    
                                        As at 2025-03-31  | 
                            
                                
                                    
                                        As at 2025-03-31  | 
                            
                        
|---|---|---|---|---|---|
| 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 | 
                                        
                                             
                                                二次健康診断受診率
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                子の出生に伴う男性の
休暇取得率
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                新卒採用者数
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                時間外労働時間数
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                新任管理職に占める女性の割合
                                                
                                             
                                        
                                     | 
                                
                            
| Metrics unit | — | 
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                人
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                時間
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                            
| Performance | 
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                89.4
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                115
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                16.4
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                32.1
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     |