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 | 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 | 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 | 2024-01-01 to 2024-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 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 | 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 | 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 | As at 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 | As at 2023-12-31 | 2023-01-01 to 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 | 
                                                132,472,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                132,472,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                241,775,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                17,862,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                271,734,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -2,091,607,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,091,607,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                6,975,084,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                707,126,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,717,126,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                292,023,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                5,368,092,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                789,414,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,885,435,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,267,958,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,794,184,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,394,787,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,388,317,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,794,184,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                241,775,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                11,769,035,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,717,126,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,381,927,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,099,300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                93,035,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                93,035,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                245,920,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,484,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                155,299,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                155,299,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,717,126,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,087,284,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,046,868,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                12,647,471,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                707,126,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,975,084,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,091,607,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,046,868,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -2,091,607,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                706,218,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,601,321,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,267,958,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,717,126,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                464,246,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,072,415,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,189,949,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,359,612,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,895,807,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                69,298,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                272,695,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                607,730,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                272,695,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,809,235,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,423,385,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,322,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,631,458,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,809,235,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,716,255,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,716,255,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,502,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,360,045,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                295,853,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,533,694,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,946,773,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                798,152,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,631,458,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,947,045,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                706,255,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,066,301,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,604,779,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,679,628,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                69,298,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | 
                                                -1,027,180,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                -1,027,180,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -438,872,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -1,027,180,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,027,180,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                922,543,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                973,893,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                973,893,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                973,893,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                973,893,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | 
                                                39,436,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                86,475,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                25,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -172,222,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -90,648,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                125,912,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -25,398,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                83,195,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,622,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                86,475,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                39,436,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                23,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -49,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                98,487,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -259,631,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -233,436,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -117,395,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -117,395,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -333,905,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -93,658,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                39,436,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                86,475,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                25,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,252,684,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -172,222,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -90,648,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,126,771,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -715,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -690,487,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                83,195,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,622,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                86,475,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -698,967,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,252,684,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,252,684,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,480,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                39,436,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                23,737,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -49,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,981,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                98,487,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,720,910,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -92,086,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                415,410,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -282,372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -233,436,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,461,278,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                870,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                870,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -117,395,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                415,410,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -117,395,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                870,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -333,905,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                407,655,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                42,692,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -91,216,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -50,965,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -282,372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,587,433,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |