Disclosure Of Sustainability-Related Financial Information
| Concept | 
                                    
                                        As at 2024-12-31  | 
                            
                                
                                    
                                        As at 2024-12-31  | 
                            
                                
                                    
                                        As at 2024-12-31  | 
                            
                                
                                    
                                        As at 2024-12-31  | 
                            
                        
|---|---|---|---|---|
| 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 | 
                                        
                                             
                                                男女の賃金差異の縮小(注2)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                技術関連資格取得のべ人数
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                年次有給休暇取得日数
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                コンサル関連資格取得のべ人数
                                                
                                             
                                        
                                     | 
                                
                            
| Metrics unit | 
                                        
                                             
                                                %
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                名
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                日
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                名
                                                
                                             
                                        
                                     | 
                                
                            
| Target period | 
                                        
                                             
                                                2022年度を基準として、2025年まで
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2027年まで
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2025年まで
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2027年まで
                                                
                                             
                                        
                                     | 
                                
                            
| Targets | 
                                        
                                             
                                                1
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                270
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                10
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                90
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                            
| Performance | 
                                        
                                             
                                                2.0
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                142
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                10.9
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                39
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             
                                        
                                     |