Statement Of Changes In Net Assets
| Concept | 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 | 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 | 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 | 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 | 2024-04-01 to 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 | 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 | 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 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 | — | 
                                                261,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -3,021,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,407,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,258,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,017,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,290,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                915,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                35,978,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                17,100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,919,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                72,790,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,529,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,174,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                322,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,919,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,054,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,389,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                31,672,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                729,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                68,991,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,572,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                77,320,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                39,236,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,258,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,919,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                927,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                50,146,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,017,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,853,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,700,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,540,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                3,540,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,565,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,028,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                729,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                66,200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,597,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,380,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                17,100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -3,008,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,362,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,919,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                74,836,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                70,140,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,695,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                202,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                53,686,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                265,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,756,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,118,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                44,358,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                729,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                152,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,919,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,919,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,252,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,982,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,185,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                69,713,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,525,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,127,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,681,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,999,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,124,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -936,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                409,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,017,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                72,470,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                50,340,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                64,236,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                66,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                266,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                66,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,138,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,138,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,138,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                4,848,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,138,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                3,867,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                3,867,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,867,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                3,867,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                4,488,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -274,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -165,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -281,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -166,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -167,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -14,024,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -14,168,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                120,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -14,449,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,649,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,483,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,790,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -14,028,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -281,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                26,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -3,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,344,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                427,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                518,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -194,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,160,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                49,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                380,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,916,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,354,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,938,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,421,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,342,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -66,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,437,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,964,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                380,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,365,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -1,883,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                346,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -66,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |