Statement Of Changes In Net Assets
| Concept | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in net assets | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in net assets | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                2,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,099,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                29,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                26,729,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,196,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -333,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,052,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,348,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,348,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,136,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,190,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                27,491,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,052,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,911,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -333,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,715,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,099,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,775,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,448,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,327,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                158,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                31,077,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                4,758,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,163,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,391,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                137,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,099,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,099,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,715,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,391,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,163,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,420,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                29,324,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,758,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,190,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,911,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -241,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -241,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -145,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,179,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,196,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,160,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,371,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                8,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,196,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -155,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,404,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,817,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,817,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,190,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,192,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,077,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,509,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,404,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,911,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -166,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,715,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,099,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,634,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,269,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                111,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -64,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,903,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,099,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,259,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | 
                                                1,140,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,140,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,140,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                1,140,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,598,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                2,370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                2,370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,246,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                660,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,027,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                175,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                568,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,753,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                20,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -91,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,184,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,568,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,184,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                660,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,378,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,119,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,596,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -91,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,987,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,901,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,786,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,863,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -22,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,987,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -653,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -81,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                26,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,247,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,276,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                567,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                489,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -653,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -75,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -85,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |