Statement Of Members' Equity
| Concept | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of members' equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of members' equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                20,151,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -10,179,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                705,525,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                758,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                758,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -758,476,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -758,476,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,209,215,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                3,205,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,313,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,151,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,184,225,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -3,497,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,543,089,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,640,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,281,359,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,045,172,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,333,535,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,718,409,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                778,881,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,824,054,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,313,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,072,359,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                765,204,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                550,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                472,633,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -10,511,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,516,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                892,880,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                881,364,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                881,364,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                12,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,313,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,696,616,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,126,632,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                9,422,130,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,205,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,205,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -786,102,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,689,582,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -786,102,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,267,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,756,910,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,313,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,516,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,404,174,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                880,101,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,180,584,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,315,010,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                550,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,131,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -65,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,078,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                869,828,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                869,893,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                869,893,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -326,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                854,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,681,001,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,658,392,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -326,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,313,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,095,441,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,313,074,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                484,627,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,341,755,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,046,544,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -65,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,201,950,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,205,574,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,176,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,827,056,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                550,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                804,250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                804,250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,046,560,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                804,250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                804,250,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,043,663,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,182,777,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,182,777,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                1,182,777,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,182,777,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | 
                                                8,635,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                232,891,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -122,633,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -122,633,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                8,635,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -114,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -113,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                117,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -1,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -113,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -11,993,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,620,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,470,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                11,470,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                811,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,490,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                25,484,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                23,052,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                11,581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                11,581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                23,052,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                8,635,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                232,891,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -122,633,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -122,633,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                623,042,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,635,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,640,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -114,897,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                27,625,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                27,625,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,640,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                509,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,786,179,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,668,184,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -113,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,636,918,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                591,776,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                591,776,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,640,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -11,993,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,620,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,470,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                11,470,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                811,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                75,908,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,031,190,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -785,776,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                25,484,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                62,418,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                23,052,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,031,190,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                869,560,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                245,414,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                268,466,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -785,776,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -21,365,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |