Statement Of Members' Equity
| Concept | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of members' equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of members' equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                -1,118,341,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,106,802,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,166,871,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,418,409,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,308,596,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                66,877,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,049,992,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,869,017,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,775,731,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,375,473,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,118,341,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,869,017,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,106,802,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                688,393,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,192,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,918,252,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                992,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,151,204,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                14,216,863,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,166,871,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,869,017,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                6,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,543,862,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,418,409,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,097,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,602,213,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,260,254,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,260,254,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,330,568,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,170,091,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                4,425,537,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                402,213,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,170,091,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -2,097,460,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,751,682,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                5,869,017,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,704,567,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,367,186,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,337,381,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                13,804,117,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,042,631,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,045,723,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,338,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,869,017,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,869,017,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                538,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,752,921,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,045,723,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,487,332,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,609,844,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,055,118,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,171,330,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,171,330,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,814,323,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,814,323,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,800,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,487,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,418,409,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,529,963,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,564,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,261,307,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                799,205,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                799,205,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                799,205,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                701,620,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                799,205,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                480,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                480,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                480,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                480,373,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                380,485,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | — | 
                                                -21,972,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                38,091,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -93,383,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -93,383,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                60,064,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                38,091,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -93,383,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                19,300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                214,531,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                214,531,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                294,750,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                214,531,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                275,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                294,750,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -21,972,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,063,289,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,091,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -93,383,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                979,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                979,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,063,289,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                590,299,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                506,130,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                412,746,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                408,544,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                60,064,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                446,636,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                492,714,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                590,299,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -93,383,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,063,289,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -135,881,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -120,146,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                19,300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -20,258,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                194,272,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -283,137,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                214,531,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                294,750,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                214,531,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                264,118,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                275,450,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                164,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                174,604,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -283,137,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,239,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |