Statement Of Changes In Net Assets
| Concept | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in net assets | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in net assets | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                8,042,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                189,785,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,491,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,042,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                9,972,454,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,540,682,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,964,412,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,749,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,749,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,005,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,730,468,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                6,844,318,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,005,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,083,045,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,783,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,749,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,749,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,078,262,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                189,785,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                4,783,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,491,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,654,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,666,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,695,170,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,005,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,932,780,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,666,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                189,785,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,491,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,505,385,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,749,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,749,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,929,114,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | 
                                                781,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                781,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                781,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                781,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                572,526,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                572,526,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                572,526,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                572,526,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -113,850,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -113,850,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -110,591,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                3,259,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -113,850,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,259,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -850,852,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -850,852,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,117,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -850,852,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,117,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -849,734,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — |