Statement Of Changes In Net Assets
| Concept | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in net assets | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in net assets | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | — | — | 
                                                75,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,066,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,392,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                937,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                7,827,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                937,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                53,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                392,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                45,238,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                951,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,061,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,579,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,387,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,066,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                393,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,061,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,392,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,565,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                30,850,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                279,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,191,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,620,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,435,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                46,254,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                75,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                940,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                812,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                297,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,061,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                132,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                54,587,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,827,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,963,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,105,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                741,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                740,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                741,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,384,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                279,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                37,278,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,875,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,384,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                951,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -2,963,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,556,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                9,061,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                56,475,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                53,761,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                812,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,604,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                731,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                56,141,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                740,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                681,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                555,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,242,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                279,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                146,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,061,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,061,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,012,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,556,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                555,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,740,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,006,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                555,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,384,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,384,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,978,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,978,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                951,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -20,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                251,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,827,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,413,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,709,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,273,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                740,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -4,746,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -4,746,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -4,746,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                -4,695,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -4,746,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                6,364,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                6,364,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                6,364,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                6,364,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                5,536,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | 
                                                3,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -737,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                195,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -216,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                195,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,103,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -2,103,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                95,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -7,254,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -9,349,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -337,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -9,887,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -8,181,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -78,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -9,040,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,087,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,254,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                199,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -737,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                45,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                71,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,862,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,020,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                153,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,878,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,134,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                585,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                15,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                184,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                923,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                185,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,862,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                185,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,005,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,061,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                15,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                71,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |