Consolidated Statement Of Changes In Equity
| Concept | As at 2025-01-31 | 2024-02-01 to 2025-01-31 | 2024-02-01 to 2025-01-31 | As at 2025-01-31 | As at 2025-01-31 | 2024-02-01 to 2025-01-31 | As at 2025-01-31 | 2024-02-01 to 2025-01-31 | As at 2025-01-31 | 2024-02-01 to 2025-01-31 | As at 2025-01-31 | 2024-02-01 to 2025-01-31 | As at 2025-01-31 | 2024-02-01 to 2025-01-31 | As at 2025-01-31 | 2024-02-01 to 2025-01-31 | 2024-02-01 to 2025-01-31 | As at 2025-01-31 | 2024-02-01 to 2025-01-31 | 2024-02-01 to 2025-01-31 | As at 2025-01-31 | As at 2025-01-31 | 2024-02-01 to 2025-01-31 | As at 2025-01-31 | 2023-02-01 to 2024-01-31 | 2023-02-01 to 2024-01-31 | As at 2024-01-31 | As at 2024-01-31 | As at 2024-01-31 | 2023-02-01 to 2024-01-31 | 2023-02-01 to 2024-01-31 | 2023-02-01 to 2024-01-31 | As at 2024-01-31 | As at 2024-01-31 | 2023-02-01 to 2024-01-31 | As at 2024-01-31 | 2023-02-01 to 2024-01-31 | 2023-02-01 to 2024-01-31 | 2023-02-01 to 2024-01-31 | As at 2024-01-31 | 2023-02-01 to 2024-01-31 | As at 2024-01-31 | As at 2024-01-31 | As at 2024-01-31 | As at 2024-01-31 | 2023-02-01 to 2024-01-31 | 2023-02-01 to 2024-01-31 | As at 2024-01-31 | As at 2023-01-31 | As at 2023-01-31 | As at 2023-01-31 | As at 2023-01-31 | As at 2023-01-31 | As at 2023-01-31 | As at 2023-01-31 | As at 2023-01-31 | As at 2023-01-31 | As at 2023-01-31 | As at 2023-01-31 | As at 2023-01-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                34,195,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                6,069,288,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -101,458,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,634,790,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                341,127,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,068,888,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                33,253,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                306,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                6,668,044,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                325,832,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                33,253,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                14,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -101,358,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                34,195,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                325,832,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,286,145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,866,660,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,852,146,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                306,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                341,127,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,286,545,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                325,832,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,893,523,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,195,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,449,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,449,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,893,923,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -103,464,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,461,869,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                306,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                341,127,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,457,419,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends of surplus | — | — | — | — | — | 
                                                -50,007,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -50,007,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -50,007,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -50,007,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -40,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -40,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -40,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -40,006,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                18,740,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                18,740,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                18,740,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                10,063,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,063,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                10,063,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,782,643,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -99,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                18,740,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,782,743,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,740,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,782,743,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,801,384,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,392,621,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,394,726,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,392,621,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,063,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,404,790,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                10,063,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — |