Shareholdings
| 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 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 
|---|---|---|---|---|---|---|---|---|---|
| Shareholdings | |||||||||
| Largest holding company | |||||||||
| Investment shares reclassified from held for purposes other than pure investment to held for pure investment | |||||||||
| Issue | 
                                                モロゾフ株式会社
                                                
                                             | 
                                                株式会社イズミ
                                                
                                             | 
                                                萩原工業株式会社
                                                
                                             | 
                                                株式会社ディスコ
                                                
                                             | 
                                                ユニ・チャーム株式会社
                                                
                                             | 
                                                SGホールディングス株式会社
                                                
                                             | 
                                                出光興産株式会社
                                                
                                             | 
                                                株式会社ふくおかフィナンシャルグループ
                                                
                                             | 
                                                中国電力株式会社
                                                
                                             | 
| Number of shares | 
                                                65,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,362,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                100,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                150,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                14,958,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,020,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                152,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,613,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                5,842,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Carrying amount | 
                                                112,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,309,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                155,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,484,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,793,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,525,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                160,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,344,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,024,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |