Statement Of Changes In Net Assets
| Concept | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 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 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 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 | 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 | 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 | 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 | 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 | 
                                                19,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -271,015,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                11,729,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                69,281,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                11,584,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                67,469,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,119,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,719,846,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                860,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,065,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,486,746,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                237,581,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -271,015,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                170,112,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,065,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                15,186,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                144,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,969,067,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,516,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,732,509,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,106,531,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,725,446,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,789,128,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                69,281,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,237,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,065,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,687,207,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,584,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -271,033,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,936,512,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                33,945,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                33,945,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,415,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                15,120,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,516,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,646,967,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,073,975,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,662,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                860,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -271,033,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                78,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                10,065,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,604,998,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,401,119,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                202,642,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                172,226,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,721,153,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                21,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                119,435,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,358,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,820,819,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,516,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                91,406,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,065,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,065,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                958,279,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,358,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,146,798,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,603,815,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,028,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,079,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,621,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -271,049,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -271,049,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                860,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                232,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,584,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,266,466,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,571,456,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,392,704,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                225,818,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                225,818,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                225,818,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                278,852,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                225,818,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                352,032,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                352,032,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                352,032,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                352,032,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                490,642,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                37,053,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                66,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,939,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                35,336,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                17,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                66,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -118,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                32,556,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                32,639,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,114,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                67,975,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                85,626,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                120,448,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                85,542,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,554,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                35,336,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                66,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,005,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                115,695,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                254,320,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                115,750,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                117,337,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                80,819,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                16,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,587,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                83,206,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,587,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                115,692,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,386,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                254,262,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                40,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                338,532,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                16,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                40,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |