Shareholdings
| Concept | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 
|---|---|---|
| Shareholdings | ||
| Reporting company | ||
| Investment shares held for purposes other than pure investment | ||
| Shares not listed | ||
| Number of issues | — | 
                                                3
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
| Carrying amount | — | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Number of issues whose number of shares increased | 
                                                
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
| Total acquisition cost for increased shares | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Reason for increase in number of shares |  | — | 
| Number of issues whose number of shares decreased | 
                                                
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
| Total sale amount for decreased shares | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Shares other than those not listed | ||
| Number of issues | — | 
                                                24
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
| Carrying amount | — | 
                                                2,156,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Number of issues whose number of shares increased | 
                                                16
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
| Total acquisition cost for increased shares | 
                                                22,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Reason for increase in number of shares | 
                                                業務提携、情報共有、事業上の関係を勘案し良好な関係の維持、強化を図ることにより、当社事業におけるシナジー効果が期待されるため、取引先持株会を通じて株式を取得しております。
                                                
                                             | — | 
| Number of issues whose number of shares decreased | 
                                                1
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
| Total sale amount for decreased shares | 
                                                2,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — |