Statement Of Changes In Net Assets
| Concept | 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 | 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 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in net assets | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in net assets | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | — | 
                                                268,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                36,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                236,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                658,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -11,725,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                34,821,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                26,395,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                34,821,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                27,463,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,848,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,482,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                277,486,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                185,427,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                33,046,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                401,118,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                70,159,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -11,725,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                24,847,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,046,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                29,871,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                221,343,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,863,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                349,925,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,779,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                492,419,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                731,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                304,541,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                658,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,395,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                291,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                648,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                20,271,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                33,046,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                11,438,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                271,943,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,821,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,797,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                210,872,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                30,772,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                30,772,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,632,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                29,173,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,863,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                331,933,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,512,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,821,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                182,427,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                741,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,797,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                33,046,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                474,383,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                387,355,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                648,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                66,107,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,037,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                303,364,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                36,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                299,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                622,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,273,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,724,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                207,590,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,863,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,543,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,046,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,046,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,210,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,724,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                377,098,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                285,398,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,204,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,245,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,821,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -11,407,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -11,407,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                169,427,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,529,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,427,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                753,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,821,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                436,422,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                264,050,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                323,213,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                622,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                17,787,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                17,787,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                17,787,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                26,805,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                17,787,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                17,770,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                17,770,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                17,770,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                17,770,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                24,775,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -23,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                9,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                236,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -5,168,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,051,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -4,376,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,927,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -4,927,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                210,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,267,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                5,543,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,809,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,176,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                13,762,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,410,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                18,035,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,992,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,470,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -9,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,376,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                697,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,843,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -9,697,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,257,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,908,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,892,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                17,966,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,493,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,609,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,048,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,833,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                10,048,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,282,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,427,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,719,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,960,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                4,609,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -3,072,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |