Semi-Annual Consolidated Statement Of Changes In Equity
| Concept | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Semi-annual consolidated statement of changes in equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                25,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                107,393,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -185,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -185,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                126,477,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                118,032,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                87,232,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                107,393,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                126,477,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                487,530,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,645,339,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,445,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,322,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,351,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,022,043,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,297,932,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                107,393,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,458,699,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                87,232,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,050,416,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                594,923,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                25,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                320,397,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                320,397,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                87,232,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,981,038,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,393,075,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,437,448,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                118,032,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                122,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -190,768,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,418,075,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -190,768,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                357,120,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,677,929,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,876,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                87,232,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                320,397,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,000,411,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                677,517,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                122,909,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,757,845,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                25,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                434,817,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                306,027,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                434,817,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -196,969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                740,844,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,391,458,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,401,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -196,969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                87,232,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                87,232,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,376,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,075,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,650,613,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,846,188,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                434,817,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                120,107,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                118,032,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                120,107,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,411,370,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,640,242,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends of surplus | — | — | — | — | — | — | — | 
                                                -286,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                -286,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -286,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -286,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -286,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -286,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -286,105,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                -285,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -285,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -285,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -285,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -285,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -285,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -285,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) attributable to owners of parent | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                327,110,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                327,110,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                327,110,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                626,528,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                626,528,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                626,528,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disposal of treasury shares | — | — | — | — | — | — | — | 
                                                9,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,568,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,568,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                9,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                3,568,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                9,001,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,801,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                9,001,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                9,001,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,801,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                9,001,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,801,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | — | — | 
                                                -213,003,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -213,003,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -82,594,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -213,003,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -82,594,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                130,409,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -213,003,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                51,093,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -63,326,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -63,326,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -114,420,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -114,420,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -114,420,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -114,420,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -213,003,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -86,141,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -213,003,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,568,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -82,594,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,431,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,568,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -299,145,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -32,589,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                50,004,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                130,409,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -213,003,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                41,004,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -95,142,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -95,142,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,568,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                51,093,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                286,470,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,801,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,075,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -63,326,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                349,797,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -114,420,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                17,075,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -114,420,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -114,420,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                340,795,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                26,077,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,801,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -88,342,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,200,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,801,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |