Statement Of Members' Equity
| Concept | 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 | 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 | 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 | 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 | 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 | 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 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of members' equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of members' equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                121,218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,581,902,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,378,983,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,295,113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,363,795,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                74,877,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,297,302,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                27,872,956,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                23,535,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,228,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,278,825,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,995,963,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,581,902,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                557,290,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,228,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,307,553,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                228,419,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,324,420,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,045,852,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                35,572,091,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                29,251,940,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,119,693,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,228,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -25,811,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                27,493,180,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,295,113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,859,767,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,576,864,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,697,791,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,369,874,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                228,419,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                28,743,512,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,378,459,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                23,035,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,859,767,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                62,320,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,228,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,171,990,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,482,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,569,923,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -102,056,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                29,070,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                124,380,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,406,284,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,144,802,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                228,419,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                76,647,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,228,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,228,753,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,480,704,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                63,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,090,623,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,517,197,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,361,247,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,370,589,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,387,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,387,256,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,335,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -31,610,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                331,352,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,828,260,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,295,113,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,372,394,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,878,536,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                128,122,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,288,313,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,288,313,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,288,313,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                1,761,973,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                1,356,610,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,356,610,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,356,610,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,630,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | — | 
                                                -333,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                426,039,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -197,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                177,608,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                659,346,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -197,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                100,689,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                603,648,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                788,340,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                5,798,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                432,062,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -178,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                163,639,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                432,062,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                336,544,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                951,980,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -333,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                426,039,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -197,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                277,865,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                277,865,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -62,320,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                177,608,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -332,606,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                379,775,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                659,346,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                181,895,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                796,452,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,689,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,400,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                580,907,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -62,320,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,161,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                788,340,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -102,244,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                391,749,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,798,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                120,785,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                700,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                552,847,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -178,703,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -472,511,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                163,639,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                432,062,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                336,544,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                864,976,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,343,729,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -472,511,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,742,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |