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  | 
                            
                                
                                    
                                        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 | 
                                        
                                             
                                                次世代リーダーの資格・スキル取得人数
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                次期経営マネジメント層の社外研修会への参加人数
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                管理職に占める女性労働者の割合
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1on1ミーティング実施率
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                男性労働者の育児休業取得率
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                労働者の男女の賃金の差異
                                                
                                             
                                        
                                     | 
                                
                            
| Metrics unit | 
                                        
                                             
                                                名
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                名
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                            
| Target period | 
                                        
                                             
                                                2024年度
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2026年度
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2026年度
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2024年度
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2026年度
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2026年度
                                                
                                             
                                        
                                     | 
                                
                            
| Targets | 
                                        
                                             
                                                230
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                50
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                10.0
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                100.0
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                100.0
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                66.0
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                            
| Performance | 
                                        
                                             
                                                171
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                42
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2.5
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                100.0
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                54.5
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                66.6
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     |