Statement Of Changes In Equity
| Concept | 
                                    
                                        2023-11-21 to 2024-02-20  | 
                            
                                
                                    
                                        As at 2024-02-20  | 
                            
                                
                                    
                                        As at 2023-11-20  | 
                            
                                
                                    
                                        2022-11-21 to 2023-02-20  | 
                            
                        
|---|---|---|---|---|
| Statement of changes in equity | ||||
| Statement of changes in equity | ||||
| Net assets | — | 
                                        
                                             
                                                13,247,556,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                13,355,482,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    — | 
| Changes during period | ||||
| Profit (loss) | 
                                        
                                             
                                                202,776,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    — | — | 
                                        
                                             
                                                164,517,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     |