Statement Of Changes In Net Assets
| Concept | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 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 | 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 | 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 | 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 | 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 | 
                                                -7,370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                13,405,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                482,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                13,405,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                496,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                472,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,820,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                50,504,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,128,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                88,656,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,378,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                11,409,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,128,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                13,405,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                34,340,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                362,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                72,492,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,478,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                105,855,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                50,986,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                482,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,788,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,128,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                954,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                49,674,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,405,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,369,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,509,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                535,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                535,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                608,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                13,405,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                362,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                69,523,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,646,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,405,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -7,369,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                10,128,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,069,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                85,688,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,593,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,029,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                50,209,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,944,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                280,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,139,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                362,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,864,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,128,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,128,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,276,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                280,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                86,766,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                53,564,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                408,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,405,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,405,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,388,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,388,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                672,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,412,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,405,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                96,123,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                53,284,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                64,621,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,928,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,928,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,928,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                5,120,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,928,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                3,860,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                3,860,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,860,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                3,860,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                6,802,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -111,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,785,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -53,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                831,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                830,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,379,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                777,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,968,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -482,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                5,785,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,969,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                831,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -53,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                376,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,078,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                282,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,610,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -3,355,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,165,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -5,980,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                255,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,648,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                255,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                199,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,901,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,945,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -5,980,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |