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 | 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 | 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 | 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 | 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 | 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 | 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Semi-annual consolidated statement of changes in equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                466,361,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -293,919,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -293,919,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,410,976,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                3,082,748,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,568,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -289,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,430,399,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,382,193,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,642,433,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                328,228,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,536,688,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,222,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,089,096,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,536,688,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                19,222,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,568,590,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,794,167,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,381,904,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                327,969,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                3,556,896,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,197,637,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,521,537,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                16,165,822,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,071,054,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,399,282,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -311,894,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,521,537,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -311,894,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                909,862,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,095,803,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                328,228,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,556,896,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,857,940,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                909,892,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,415,301,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                16,165,822,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                641,870,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -434,156,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                642,020,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,549,262,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,542,202,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -434,156,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,495,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,495,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,542,202,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                405,278,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                263,294,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,643,947,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,018,282,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,430,855,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,009,558,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,414,836,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,018,282,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,151,848,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Issuance of new shares | — | — | — | — | 
                                                11,694,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,388,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                11,694,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                23,388,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,388,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                23,388,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,694,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                11,694,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                11,694,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                122,992,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                122,992,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                61,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                61,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                61,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                122,992,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                61,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                122,992,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                61,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Dividends of surplus | — | — | — | — | — | 
                                                -356,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -356,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -356,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -356,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                -356,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -356,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -356,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -311,041,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -311,041,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -311,041,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -311,041,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -311,041,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -311,041,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -311,041,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) attributable to owners of parent | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                4,247,495,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,247,495,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                4,247,495,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                2,356,831,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,356,831,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,356,831,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disposal of treasury shares | — | — | — | — | — | 
                                                18,212,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,212,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                18,212,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                18,212,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,212,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                18,212,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                45,398,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                45,398,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                45,398,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                45,398,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                45,398,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                45,398,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | 
                                                138,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -319,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                472,011,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                610,403,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                472,331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                64,675,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                267,992,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                332,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                267,872,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                -120,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                138,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                11,694,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,056,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -319,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,694,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                472,011,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,975,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                17,975,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,056,513,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,546,630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,936,226,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,694,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                472,331,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                11,694,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                3,891,458,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,015,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,015,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                15,098,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                64,675,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                267,992,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,546,540,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -77,050,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,979,335,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                122,261,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                267,872,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,213,993,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                61,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                61,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,979,335,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                61,496,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -120,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,045,789,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                2,147,539,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -15,554,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,147,539,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                122,261,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -15,554,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |