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 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 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 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of members' equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of members' equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                -302,485,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,859,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                152,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,859,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                152,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -115,063,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,131,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,019,181,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,148,296,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,232,801,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -302,485,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,195,797,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,019,181,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,859,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,555,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                214,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,571,618,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,340,756,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,381,097,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                7,284,002,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                152,067,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,019,181,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -105,178,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,194,644,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,859,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,486,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,317,967,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                111,332,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                111,332,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                111,332,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,859,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                214,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                6,731,654,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,103,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,859,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -2,486,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,019,181,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,913,392,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,608,331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,305,061,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,298,906,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,305,977,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,335,070,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                46,983,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                930,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                214,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,150,421,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,019,181,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,019,181,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -283,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                46,983,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,831,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,854,290,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                46,983,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,859,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,859,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,446,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,446,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                137,665,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,859,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,166,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,807,307,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,954,733,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,563,549,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,563,549,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,563,549,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                166,225,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,563,549,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,496,131,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,496,131,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,496,131,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,496,131,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                885,674,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | — | 
                                                40,734,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,927,739,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                40,734,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,896,890,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                40,734,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -9,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                1,927,739,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                40,734,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -242,843,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                64,349,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                148,485,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                64,349,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -30,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                64,349,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                64,349,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -30,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                40,734,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,927,739,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                40,734,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -299,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -299,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,237,288,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                937,290,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,896,890,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                978,025,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -460,034,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -9,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,467,704,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -160,035,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,237,288,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                40,734,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,387,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                776,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -242,843,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,387,337,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,451,686,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                148,485,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -40,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                64,349,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -30,008,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                64,349,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,387,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                64,349,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                776,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                746,871,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -40,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |