Statement Of Members' Equity
| Concept | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 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 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 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 members' equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of members' equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                -1,449,276,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,888,051,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                4,927,727,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                10,888,032,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,982,683,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                293,201,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,568,614,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                41,468,893,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,159,226,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,720,068,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                46,271,643,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,535,374,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,449,276,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                259,489,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,720,068,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,888,051,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                18,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                21,310,050,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                655,131,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,112,800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,495,692,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                55,375,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                46,396,620,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,927,727,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,546,452,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,720,068,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                140,205,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                41,087,054,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,888,032,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,232,269,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,711,204,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,443,812,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                5,443,812,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,492,889,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,888,051,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                655,131,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                25,523,331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,896,846,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,888,051,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,159,226,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -1,232,269,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                10,720,068,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                55,337,828,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,899,181,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,892,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                259,099,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                46,530,867,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,924,122,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,602,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,137,723,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                655,131,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                246,623,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,720,068,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,720,068,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,323,365,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,602,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,333,514,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,326,416,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,623,695,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,888,051,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,888,051,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,022,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,022,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,159,226,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                53,803,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,361,601,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,888,032,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                51,619,238,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,723,798,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,747,439,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,074,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,074,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,074,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,086,233,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,074,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                1,056,106,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,056,106,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,056,106,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,056,106,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,441,512,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | — | 
                                                -510,205,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -356,819,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -516,084,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                22,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -516,084,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                152,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -334,657,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -516,084,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                184,850,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                86,402,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,841,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,475,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,841,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,968,072,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,841,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,869,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                3,152,922,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -510,205,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -356,819,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -516,084,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -217,007,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -217,007,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,162,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                598,845,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                381,838,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                389,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -134,246,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                372,461,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                152,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,803,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                589,468,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                598,845,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -516,084,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                184,850,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                573,481,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                565,667,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                86,402,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                363,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,204,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,475,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -210,224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,841,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,968,072,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,841,194,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                573,481,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,869,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                775,892,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,718,589,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -210,224,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |