Statement Of Changes In Net Assets
| Concept | 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 | 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 | 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 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 | 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 | 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 | 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 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 | 
                                                -1,210,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,962,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                6,551,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,467,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                6,563,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                618,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                565,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                47,880,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,855,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                49,902,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,932,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,210,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,750,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,855,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,962,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,495,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                34,272,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,294,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,072,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                59,400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                54,432,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,551,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                478,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,855,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                176,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                46,849,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,467,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,416,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,932,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,378,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                7,378,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,389,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,477,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                34,746,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,732,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,477,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                21,200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -2,416,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,010,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                9,855,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                57,764,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                48,663,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,622,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,056,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                54,227,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                5,342,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,546,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,165,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                716,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,855,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,855,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,965,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,299,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,567,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                47,876,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                49,895,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,554,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,766,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,766,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,460,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,460,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                51,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                438,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                53,658,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,467,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,327,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,714,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,215,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,215,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,215,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                2,466,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,215,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                2,601,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,601,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,601,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,601,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                1,904,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -826,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,514,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                309,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -827,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,205,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,205,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,514,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                87,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,340,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,031,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                694,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                204,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,238,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                441,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,635,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,547,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,340,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -827,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,514,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                39,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,766,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                786,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                125,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,521,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,332,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                339,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -289,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,810,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,280,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,831,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,766,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -20,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,835,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,032,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -289,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,106,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                43,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -289,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -20,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |