Statement Of Members' Equity
| Concept | 
                                    
                                        As at 2023-10-31  | 
                            
                                
                                    
                                        2023-02-01 to 2023-10-31  | 
                            
                                
                                    
                                        As at 2023-01-31  | 
                            
                                
                                    
                                        2022-02-01 to 2022-10-31  | 
                            
                        
|---|---|---|---|---|
| Statement of members' equity | ||||
| Statement of members' equity | ||||
| Net assets | 
                                        
                                             
                                                8,566,514,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                8,619,671,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    — | 
| Changes during period | ||||
| Profit (loss) | — | 
                                        
                                             
                                                333,316,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                505,691,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             
                                        
                                     |