Semi-Annual Consolidated Statement Of Changes In Equity
| Concept | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Semi-annual consolidated statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                2,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,950,958,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                977,583,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                4,941,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                916,827,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -93,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,071,340,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                93,756,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,953,458,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,941,532,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                93,756,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                872,800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,400,330,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,497,717,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,400,330,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                933,556,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,027,313,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,500,217,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,109,728,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,464,242,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                160,756,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                254,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,464,242,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                100,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,107,228,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                93,756,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||
| Issuance of new shares | — | — | — | — | — | — | 
                                                44,027,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                88,054,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                44,027,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                88,054,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                44,027,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,545,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                772,800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,545,600,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                772,800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                772,800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
| Dividends of surplus | — | — | — | 
                                                -82,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -82,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -82,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -82,350,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                453,240,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -93,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                44,027,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                453,240,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                541,201,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                44,027,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                541,201,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                44,027,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,936,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                772,800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                390,488,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,936,088,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                772,800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                390,488,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                772,800,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — |