Statement Of Changes In Equity
| Concept | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | 2023-10-01 to 2024-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | As at 2022-09-30 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                -331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,272,896,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,451,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,476,102,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                79,473,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,451,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,000,497,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,249,896,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,184,670,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                911,608,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,189,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                23,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,000,497,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,480,403,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,451,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,392,177,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,451,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                911,608,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                762,266,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,175,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                80,140,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,198,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,538,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,198,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                19,198,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                19,198,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,654,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                673,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,634,026,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                23,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                762,266,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,437,682,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                19,198,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                673,377,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,002,038,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,889,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                672,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,914,066,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                761,166,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,349,883,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,347,511,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,795,059,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                761,166,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,203,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,302,662,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,736,106,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,203,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                672,277,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,873,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                56,748,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Issuance of new shares | — | — | — | — | 
                                                238,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                476,461,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                476,461,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                476,461,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                238,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                476,461,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                238,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                238,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                1,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Dividends of surplus | — | — | — | 
                                                -144,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -144,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -144,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -144,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -144,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -144,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -144,586,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -175,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -175,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -175,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -175,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -175,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -175,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -175,231,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) | — | — | — | 
                                                219,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                642,284,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                219,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                219,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                219,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                459,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                897,998,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                459,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                459,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                459,546,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | 
                                                -667,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -16,775,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -14,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -16,108,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -14,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -14,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -14,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -1,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                18,187,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                41,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                16,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                16,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                16,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                16,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                23,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                -667,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                74,514,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                238,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                937,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                550,643,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                74,514,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -14,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                534,535,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                238,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -14,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -14,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                954,495,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                238,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -14,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                478,365,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                238,230,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                304,702,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                743,323,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                701,575,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                286,188,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                284,315,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                286,515,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                16,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                699,375,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,994,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,100,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                16,826,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,873,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                23,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |